MEMORY FOR AN EXHAUST SUBSEQUENT TREATMENT MEDIUM OF A ABGASNACHB EHANDLUNGSEINRICHTUNG FOR VEHICLES WITH DIESEL COMBUSTION ENGINES

EMISSION CONTROL DEVICE

Process of recovery of gases or condensable vapors diluted in great gas masses

UREA-HYDROLYSIS AND INJECTION SYSTEM FOR EXHAUST GAS TREATMENT

A system (1) for reducing a NOx content of an exhaust stream is provided. The system (1) includes an exhaust conduit (5) and a reaction vessel (120) located proximate the exhaust conduit (5). The reaction vessel (120) includes a liquid reagent inlet (8) and a gaseous hydrolysis outlet (9). A reservoir (15) is provided in fluid communication with the reaction vessel (120) and adapted to receive the gaseous hydrolysis product. The reservoir (15) is also in fluid communication with the exhaust conduit (5). A liquid reagent conduit (50) is also provided in fluid communication with the exhaust conduit (5) and in fluid communication with a liquid reagent supply (35). The liquid reagent decomposes into at least ammonia.

DEVICE FOR SECONDARY TREATMENT OF EXHAUST GASES

The invention concerns a device for secondary treatment of exhaust gases of an internal combustion engine, comprising an evaporating device for introducing a reactant for the secondary treatment. Said evaporating device comprises a heating element (9) capable of being inserted into the exhaust pipe, and at least a preheating element (12, 14) arranged outside the exhaust pipe, for preheating the reactant. The inventive device is useful for evaporating and introducing a reactant, in particular of fuel, even in large amounts, in an internal combustion engine exhaust line.

Verfahren und Vorrichtung zum Entfernen von Schwefeldioxid aus einem trockenen Gasstrom

Die Erfindung betrifft ein Verfahren zur Entfernung von Schwefeldioxid aus einem trockenen Gasstrom, welches folgende Schritte umfasst: DOLLAR A (a) Zumischen einer Wasserstoffperoxid enthaltenden Flüssigkeit in den Gasstrom, wobei sich aus dem Wasserstoffperoxid und dem Schwefeldioxid Schwefelsäure bildet, und DOLLAR A (b) Kondensieren, Absorbieren oder Aerosolabscheidung der gebildeten Schwefelsäure. DOLLAR A Die zugemischte, Wasserstoffperoxid enthaltende Flüssigkeit ist innerhalb von weniger als 0,3 s so mit dem trockenen Gasstrom vermischt, dass die zugemischte Flüssigkeit im Gasstrom im Wesentlichen homogen verteilt ist. Weiterhin betrifft die Erfindung eine Vorrichtung zur Entfernung von Schwefeldioxid aus einem trockenen Gasstrom, welche mindestens eine Zerstäuberdüse zur Zugabe der Wasserstoffperoxid enthaltenden Flüssigkeit und einen in Strömungsrichtung des Gasstromes hinter der mindestens einen Zerstäuberdüse angeordneten Filter oder Aerosolabscheider umfasst, wobei jeweils ...

Exhaust gas treatment

METHOD AND DEVICE FOR REMOVING SULPHUR DIOXIDE FROM A DRY GAS STREAM

SYSTEMS AND METHODS OF REDUCING SELENIUM CONTAMINATION IN WASTE WATER

A method of reducing selenium contamination in a waste water stream is described herein. The method includes channeling a flue gas stream through an absorber, contacting the flue gas stream with an aqueous alkaline-based slurry, such that any selenium byproduct in the flue gas stream forms a selenium compound within the aqueous alkaline-based slurry, controlling oxidation of the selenium compound in the aqueous alkaline-based slurry, and adding a precipitation agent to the aqueous alkaline-based slurry to cause the selenium compound within the aqueous alkaline-based slurry to precipitate.

RESERVOIR FOR AN EXHAUST AFTERTREATMENT MEDIUM OF AN EXHAUST AFTERTREATMENT DEVICE FOR VEHICLES HAVING DIESEL COMBUSTION ENGINES

ABGASREINIGUNGSANLAGE FÜR EIN KRAFTFAHRZEUG MIT EINEM REDUKTIONSMITTELVORRATSBEHÄLTER UND BETRIEBSVERFAHREN HIERFÜR

Verfahren und Vorrichtung zur Reinigung von Abgasen

Zur Reinigung von Abgas, das Kohlenwasserstoffverbindungen und Stickoxide enthält, insbesondere von bei der Zementklinkerherstellung anfallendem Abgas, wird eine regenerative thermische Nachverbrennungsanlage (24) verwendet, mit der bei einer Temperatur von mehr als 800°C in der mehrstufigen Brennkammer (35) die Kohlenstoffverbindung oxidiert und die Stickoxide unter Zuführung einer Stickstoffwasserstoffverbindung thermisch reduziert werden.

변동성 공급 압력을 갖는 기체를 제어 투여하기 위한 방법 및 장치

... 본 발명은, 변동성 공급 압력(P공급)을 갖는 기체의 제어 투여하는 방법을 개시한다. 밸브(6)를 통한 상기 기체의 투여는 밸브(5)가 폐쇄된 동안 수행되며, 제어 격실 압력(PCV)의 감소가 기록된다. 투여 밸브(6)를 폐쇄하고 밸브(5)를 개방함으로써 상기 제어 격실 압력(PCV)을 상승시킨다. 상기 제어 격실(4)의 공지의 체적(VCV), 및 밸브(5)가 폐쇄된 기간 동안의 제어 격실 압력(PCV) 및 제어 격실 온도(TCV)의 변화 중 하나 이상을 근거로 상기 투여된 기체의 양을 계산한다. 상기 투여된 기체량을 표적 또는 설정 값과 비교하여 후속 투여 기간 또는 투여 조작을 제어하거나 조정한다.

METHOD AND DEVICE FOR REMOVING SULPHUR DIOXIDE FROM A DRY GAS STREAM

The invention relates to a method for removing sulphur dioxide from a dry gas stream which comprises the following steps: (a) admixing a liquid comprising hydrogen peroxide into the gas stream, where sulphuric acid forms from the hydrogen peroxide and the sulphur dioxide, and (b) condensing, absorbing or aerosol-precipitating the sulphuric acid formed. The admixed liquid comprising hydrogen peroxide is mixed with the dry gas stream in less than 0.3 s so that the admixed liquid is essentially homogeneously distributed in the gas stream. In addition, the invention relates to a device for removing sulphur dioxide from a dry gas stream which comprises at least one atomizer nozzle for adding the liquid comprising hydrogen peroxide and a filter or aerosol precipitator arranged in the direction of flow of the gas stream behind the at least one atomizer nozzle, where in each case at least one atomizer nozzle is arranged on a cross sectional area of from 300 to 350 cm2.

Nozzle for the distribution of powdery products in a gas conduct ind its process of application

Cette buse (1), qui est placée dans une gaine (50), comprend une partie d'introduction tubulaire (10), de forme cylindrique, qui présente une longueur comprise entre 10 et 30 % de la longueur totale de la buse, et une partie de dispersion tubulaire (20), en forme de portion de cylindre évidé, s'étendant dans le prolongement de la partie d'introduction, cette partie de dispersion possédant une génératrice supérieure percée d'orifices (22) de passages des fumées, présentant une surface comprise entre 2 et 15 % de la section efficace de la buse, cette partie de dispersion (20) présentant une longueur supérieure ou égale au double de la longueur de la partie d'introduction (10).

FLUID-COOLED MOUNT FOR AN INJECTOR

SYSTEM AND METHOD FOR DECREASING NOX EMISSIONS FROM A FLUIDIZED BED COMBUSTION SYSTEM

Disclosed herein is a NOx reducing system comprising a first inner condui t in fluid communication with a reactant source; and a first outer conduit c omprising an open end for receiving the first inner conduit and a closed end ; the first outer conduit comprising a port for discharging reactant from th e reactant source into an exhaust gas stream. Also disclosed herein is a NOx reducing system comprising a conduit comprising a closed end and an open en d that is in fluid communication with a reactant source; the conduit compris ing a port for discharging reactant from the reactant source into an exhaust gas stream; the port being located on a downstream surface of the first out er conduit.

SYSTEM AND METHOD FOR DECREASING NOX EMISSIONS FROM A FLUIDIZED BED COMBUSTION SYSTEM

Disclosed herein is a NOx reducing system comprising a first inner conduit in fluid communication with a reactant source; and a first outer conduit comprising an open end for receiving the first inner conduit and a closed end; the first outer conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream. Also disclosed herein is a NOx reducing system comprising a conduit comprising a closed end and an open end that is in fluid communication with a reactant source; the conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream; the port being located on a downstream surface of the first outer conduit.

SYSTEM AND METHOD FOR DECREASING NOX EMISSIONS FROM A FLUIDIZED BED COMBUSTION SYSTEM

Disclosed herein is a NOx reducing system comprising a first inner conduit in fluid communication with a reactant source; and a first outer conduit comprising an open end for receiving the first inner conduit and a closed end; the first outer conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream. Also disclosed herein is a NOx reducing system comprising a conduit comprising a closed end and an open end that is in fluid communication with a reactant source; the conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream; the port being located on a downstream surface of the first outer conduit.

Method and device for purifying exhaust gases

The invention relates to a regenerative thermal postcombustion plant (24) used for purifying exhaust gas comprising hydrocarbons and nitrogen oxides, particularly for exhaust gas occurring during cement clinker production, by means of which the carbon compound is oxidized and the nitrogen oxides are thermally reduced while feeding in a nitrogen-hydrogen compound at a temperature of greater than 800° C. in the multistage combustion chamber (35).

ABGASREINIGUNGSVORRICHTUNG

PROCESS AND APPARATUS FOR CLEANING OFFGASES BY MEANS OF REGENERATIVE THERMAL POSTCOMBUSTION

To clean offgas which comprises hydrocarbon compounds and nitrogen oxides, especially offgas obtained in cement clinker production, a regenerative thermal postcombustion plant (24) is used, with which the carbon compound is oxidized and the nitrogen oxides are thermally reduced to supply a nitrogen-hydrogen compound at a temperature of more than 800°C in the multistage combustion chamber (35).

TUBE OF DISTRIBUTION OF PRODUCTS IN POWDER FORM IN A GAS VEIN AND ITS PROCESS OF IMPLEMENTATION

Cette buse (1), qui est placée dans une gaine (50), comprend une partie d'introduction tubulaire (10), de forme cylindrique, qui présente une longueur comprise entre 10 et 30 % de la longueur totale de la buse, et une partie de dispersion tubulaire (20), en forme de portion de cylindre évidé, s'étendant dans le prolongement de la partie d'introduction, cette partie de dispersion possédant une génératrice supérieure percée d'orifices (22) de passages des fumées, présentant une surface comprise entre 2 et 15 % de la section efficace de la buse, cette partie de dispersion (20) présentant une longueur supérieure ou égale au double de la longueur de la partie d'introduction (10).

Baugruppe zur Einbringung eines Reduktionsmittels in die Abgasleitung einer Abgasanlage einer Verbrennungskraftmaschine

METHOD AND DEVICE FOR REMOVING SULPHUR DIOXIDE FROM A DRY GAS STREAM

TUBE OF DISTRIBUTION OF PRODUCTS IN POWDER FORM IN A GAS VEIN AND ITS PROCESS OF IMPLEMENTATION

EXHAUST GAS PURIFICATION DEVICE

An exhaust gas purification device where occurrence of detection failure of injection nozzle clogging is suppressed. An exhaust gas purification device for an engine, having a reduction catalyst (4) provided in the exhaust system of the engine (1) and reducing and purifying a nitrogen oxide in exhaust gas by a urea water, a urea water tank (6) storing the urea water, a urea water supply means (7) for sucking up the urea water and sending it out after mixing it with high-pressure air, and an injection nozzle (5) for injecting the urea water, mixed with the high-pressure air, inside an exhaust pipe (3) of the exhaust gas system, to the exhaust gas upstream side of the reduction catalyst (4). The exhaust gas purification device further has a clogging detection means (8) for detecting clogging of the injection nozzle based on a detection output on the pressure of air introduced into the urea water supply means (7) and a detection output on the temperature of the injection nozzle (5).

POLLUTION CONTROL SYSTEM FOR KILN EXHAUST

Disclosed is a method and apparatus for the reduction of organic compounds and other emissions from an industrial plant utilizing a cement or minerals kiln that has a high level of organic compound emissions. The invention consists of a filter for the control of particulate emissions which has been treated with a catalyst to provide catalytic destruction of gaseous emissions as process gases are passed through the porous medium of the filter.

Kombinierter Auspuff für Benzin- und Dieselmotoren mit Ozon erzeugender Vorrichtung

ASSEMBLY AND METHOD FOR INTRODUCING A REDUCTION AGENT INTO THE EXHAUST GAS LINE OF AN EXHAUST GAS SYSTEM OF AN INTERNAL COMBUSTION ENGINE

The invention relates to an assembly (10) for introducing a reduction agent into the exhaust gas line (12) of an exhaust gas system of an internal combustion engine, particularly of a motor vehicle, comprising a feed port (14) ending in the exhaust gas line (12) and having a wall (16), a feed device (20) for reduction agents ending in the feed port (14), and a device (22) for creating a gas flow (G) that is provided in addition to the reduction agent flow (R) and lines the wall (16) of the feed port (14). The invention further relates to a method for introducing a reduction agent into the exhaust gas line (12) of an exhaust gas system of an internal combustion engine, particularly of a motor vehicle.

POLLUTION CONTROL SYSTEM FOR KILN EXHAUST

Disclosed is a method and apparatus for the reduction of organic compounds and other emissions from an industrial plant utilizing a cement or minerals kiln that has a high level of organic compound emissions. The invention consists of a filter for the control of particulate emissions which has been treated with a catalyst to provide catalytic destruction of gaseous emissions as process gases are passed through the porous medium of the filter.

Baugruppe und Verfahren zur Einbringung eines Reduktionsmittels in die Abgasleitung einer Abgasanlage einer Verbrennungskraftmaschine

EXHAUST GAS PURIFICATION SYSTEM FOR A MOTOR VEHICLE COMPRISING A REDUCING AGENT STORAGE VESSEL AND OPERATING METHOD THEREFOR

EXHAUST GAS PURIFICATION SYSTEM FOR A MOTOR VEHICLE COMPRISING A REDUCING AGENT STORAGE VESSEL AND OPERATING METHOD THEREFOR

The invention concerns an exhaust gas purification system for a motor vehicle comprising a reducing agent storage vessel and to an operating method therefor. The invention provides an exhaust gas purification system for a motor vehicle for which predetermined maintenance intervals are provided. Said system comprises a reducing agent storage vessel for storing a reducing agent serving to purify exhaust gases. The invention also relates to a method for operating a motor vehicle equipped with an exhaust gas purification system and with a reducing agent storage vessel, which serves to store a reducing agent provided for purifying exhaust gases and which undergoes predetermined maintenance work after predetermined maintenance intervals. According to the invention, the filling capacity of the reducing agent vessel is selected so that it has at least a magnitude predetermined by an assumed reducing agent consumption in the maintenance interval. For carrying out the inventive method, a closing ...

Assembly and method for introducing a reducing agent into the exhaust pipe of an exhaust system of an internal combustion engine

An assembly (10) for introducing a reducing agent into the exhaust pipe (12) of an exhaust system of an internal combustion engine, in particular of a motor vehicle, has a feed connector (14) which opens into the exhaust pipe (12) and includes a wall (16), a feed device (20) for reducing agents which opens into the feed connector (14), and a device (22) for generating a gas flow (G) which is additional to the reducing agent flow (R) and lines the wall (16) of the feed 10 connector (14). Furthermore, there is described a method of introducing a reducing agent into the exhaust pipe (12) of an exhaust system of an internal combustion engine, in particular of a motor vehicle.

Zwischen-Speicher für ein Abgasnachbehandlungsmedium einer Abgasnachbehandlungseinrichtung für Fahrzeuge mit Dieselverbrennungsmotoren

Zwischenspeicher für ein in einem Vorratsbehälter befindliches Abgasnachbehandlungsmedium einer Abgasnachbehandlungseinrichtung für Fahrzeuge mit Diesel-Verbrennungsmotoren, mit einem Aufnahmeraum (43) für das Abgasnachbehandlungsmedium, der durch eine Membran (16) von einem Aufnahmeraum (49) für ein gasförmiges Medium, das das Abgasnachbehandlungsmedium im Zwischenspeicher unter Druck setzt, getrennt ist, in den mindestens ein Anschluß (44) mündet, dadurch gekennzeichnet, daß der Anschluß (44) an das Druckluft-Bordnetz des Fahrzeuges anschließbar ist, und daß die Membran (16) zwischen einem Mediumkolben (3) und einem Druckluftkolben (9) eingespannt ist, der unter Federkraft steht.

SPEICHER FÜR EIN ABGASNACHBEHANDLUNGSMEDIUM EINER ABGASNACHB EHANDLUNGSEINRICHTUNG FÜR FAHRZEUGE MIT DIESELVERBRENNUNGSMOTOREN

METHOD AND DEVICE FOR CONTROLLED DOSING OF A GAS WITH FLUCTUATING SUPPLY PRESSURE

A method for controlled dosing of a gas with fluctuating supply pressure (Psupply). Dosing of the gas through a valve (6) is performed while a valve (5) is closed, and the decrease in control-volume pressure (Pcv) is recorded. The control-volume pressure (Pcv) is raised by closing dosing valve (6) and opening the valve (5). The amount of the dosed gas is calculated based on the known volume (Vcv) of the control volume (4) and at least one of the change in control-volume pressure (Pcv) and control-volume temperature (Tcv) in the period where valve (5) is closed. The amount of dosed gas is compared with a target or set-point to adjust or regulate the subsequent dosing period or dosing event.

Exhaust Gas Purification System For A Motor Vehicle Having A Reducing Agent Storage Tank, And Associated Operating Method

An exhaust gas purification system for a motor vehicle having a reducing agent storage tank, and an associated operating method. In particular, an exhaust gas purification system for a motor vehicle, for which predetermined maintenance intervals is provided. The system includes a reducing agent storage tank for storing a reducing agent intended for exhaust gas purification. A method for operating a motor vehicle having an exhaust gas purification system and a reducing agent storage tank for storing a reducing agent intended for the exhaust gas purification, which comprises predetermined maintenance work after predetermined maintenance intervals is also provided.

EXHAUST GAS PURIFICATION SYSTEM FOR A MOTOR VEHICLE COMPRISING A REDUCING AGENT STORAGE VESSEL AND OPERATING METHOD THEREFOR

EXHAUST PURIFICATION APPARATUS

Even in vehicles of such a travel mode that the state of driving at low exhaust gas temperature continues, an excellent NOx decreasing effect can be attained at exhaust gas temperatures lower than in the prior art. There is provided an exhaust purification apparatus having selective reduction type catalyst (10) disposed along the path of exhaust pipe (9) and arranged so as to charge ammonia upstream of the selective reduction type catalyst (10) to thereby accomplish NOx reduction purification, which exhaust purification apparatus comprises ammonia generation unit (12) fitted with container (15) for accommodating urea water (23a) and electrode (16) for application of plasma to the urea water (23a) of the container to thereby generate ammonia (13a,13b) and is adapted to feed the ammonia (13a,13b) generated by the ammonia generation unit (12) to the upstream side of the selective reduction type catalyst (10).

CROP GROWTH ENHANCEMENT TECHNOLOGY

A system, apparatus and method of enhancing the growth of crops using gaseous media with deprived Oxygen content. A plant growth apparatus is disclosed including a source of Nitrogen gas (N2); a source of Carbon Dioxide gas (CO2 gas); a compressor connected to the source of Nitrogen gas and to the source of CO2 gas; and one or more gas emitters connected to the compressor and adapted to be disposed near plants in a greenhouse or other enclosure. During use, the gas emitters emit a predetermined amount of Nitrogen gas and a predetermined amount of CO2 gas, in a mixture, to the plants, whereby a diffusion gradient is created in each plant moving Oxygen gas (O2) out of the plant and enhancing photosynthesis in the plant.

DEVICE FOR SECONDARY TREATMENT OF EXHAUST GASES

EXHAUST GAS TREATMENT DEVICE, EXHAUST GAS TREATMENT SYSTEM AND IN-EXHAUST GAS MERCURY OXIDIZING PERFORMANCE CONTROL SYSTEM

PROBLEM TO BE SOLVED: To provide an exhaust gas treatment device capable of ensuring an always stable mercury oxidation in an exhaust gas, as well as an exhaust gas treatment system and an in-exhaust gas mercury oxidation performance control system. SOLUTION: This exhaust gas treatment device includes a denitrification catalyst part 13 which eliminates a nitrogen oxide (NOx) of the exhaust gas 12 originating from a boiler 11 and oxidizes mercury (Hg) by atomizing a hydrogen chloride as a chlorination agent into the exhaust gas 12. In addition, the device includes a first monitoring part 31 which measures at least one selected from the group consisting of exhaust gas temperature, exhaust gas flow velocity distribution and hydrogen chloride density distribution, on the inlet side of the denitrification catalyst part 13, and a second monitoring part 32 which measures the mercury amount of the exhaust gas on the outlet side of the denitrification catalyst part 13, and a hydrogen chloride atomization ...

Speicher für ein Abgasnachbehandlungsmedium einer Abgasnachbehandlungseinrichtung für Fahrzeuge mit Dieselverbrennungsmotoren

Der Speicher hat einen Aufnahmeraum für das Abgasnachbehandlungsmedium, der durch eine Membran von einem Aufnahmeraum für ein gasförmiges Medium getrennt ist, in den ein Anschluß mündet und das das Abgasnachbehandlungsmedium unter Druck setzt. DOLLAR A Um den Speicher so auszubilden, daß er über seine Betriebsdauer zuverlässig arbeitet, ist der Anschluß an das Druckluft-Bordnetz des Fahrzeuges angeschlossen. Dadurch wird der Speicher bei jedem Fahrzeugstart neu befüllt und ist daher wartungsfrei. DOLLAR A Der Speicher eignet sich für Abgasnachbehandlungseinrichtungen für Fahrzeuge mit Dieselverbrennungsmotoren.

EINRICHTUNG ZUR ABGASNACHBEHANDLUNG

System and method for decreasing nox emissions from a fluidized bed combustion system

Disclosed herein is a NOx reducing system comprising a first inner conduit in fluid communication with a reactant source; and a first outer conduit comprising an open end for receiving the first inner conduit and a closed end; the first outer conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream. Also disclosed herein is a NOx reducing system comprising a conduit comprising a closed end and an open end that is in fluid communication with a reactant source; the conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream; the port being located on a downstream surface of the first outer conduit.

EXHAUST GAS PURIFICATION SYSTEM FOR A MOTOR VEHICLE COMPRISING A REDUCING AGENT STORAGE VESSEL AND OPERATING METHOD THEREFOR

The invention concerns an exhaust gas purification system for a motor vehicle comprising a reducing agent storage vessel and to an operating method therefor. The invention provides an exhaust gas purification system for a motor vehicle for which predetermined maintenance intervals are provided. Said system comprises a reducing agent storage vessel for storing a reducing agent serving to purify exhaust gases. The invention also relates to a method for operating a motor vehicle equipped with an exhaust gas purification system and with a reducing agent storage vessel, which serves to store a reducing agent provided for purifying exhaust gases and which undergoes predetermined maintenance work after predetermined maintenance intervals. According to the invention, the filling capacity of the reducing agent vessel is selected so that it has at least a magnitude predetermined by an assumed reducing agent consumption in the maintenance interval. For carrying out the inventive method, a closing ...

Nozzle for the distribution of powdery products in a gas conduct ind its process of application

RESERVOIR FOR AN EXHAUST AFTERTREATMENT MEDIUM OF AN EXHAUST AFTERTREATMENT DEVICE FOR VEHICLES HAVING DIESEL COMBUSTION ENGINES

Einrichtung zur Abgasnachbehandlung

The invention concerns a device for secondary treatment of exhaust gases of an internal combustion engine, comprising an evaporating device for introducing a reactant for the secondary treatment. Said evaporating device comprises a heating element (9) capable of being inserted into the exhaust pipe, and at least a preheating element (12, 14) arranged outside the exhaust pipe, for preheating the reactant. The inventive device is useful for evaporating and introducing a reactant, in particular of fuel, even in large amounts, in an internal combustion engine exhaust line.

Kraftfahrzeug mit Abgasreinigungsanlage und Betriebsverfahren hierfür sowie Abgasreinigungsanlage für ein Kraftfahrzeug

Kraftfahrzeug, für welches vorgegebene Wartungsintervalle vorgesehen sind, mit einer Abgasreinigungsanlage und einem Reduktionsmittelvorratsbehälter zur Bevorratung eines für die Abgasreinigung vorgesehenen Reduktionsmittels, dessen Füllkapazität sich aus einem voraussichtlichen Reduktionsmittelbedarf im Wartungsintervall bestimmt, dadurch gekennzeichnet, dass eine laufende Füllstandsüberwachung für die im Reduktionsmittelvorratsbehälter aktuell vorhandene Reduktionsmittelmenge vorgesehen ist, derart, dass bei Unterschreiten einer Sollfüllmenge, die sich aus der verbleibenden Soll-Laufzeit bis zum Ablauf des ursprünglich vorgegebenen Wartungsintervalls und einer angenommenen Verbrauchsrate ergibt, der Ablauf des Wartungsintervalls neu festgesetzt und/oder ein dementsprechendes Hinweissignal ausgegeben wird.

Process and apparatus for cleaning offgases by means of regenerative thermal postcombustion

Cumene-phenol complex with thermal oxidation system

A process for the treatment of waste water, spent air, and hydrocarbon containing liquid and gaseous streams in the cumene/phenol complex is described. Various effluent streams are combined in appropriate collection vessels, including a spent air knockout drum, a hydrocarbon buffer vessel, a fuel gas knockout drum, a phenolic water vessel, and a non-phenolic water vessel. Streams from these vessels are sent to a thermal oxidation system.

Verfahren und Vorrichtung zur Reinigung von Abgasen

Zur Reinigung von Abgas, das Kohlenwasserstoffverbindungen und Stickoxide enthält, insbesondere von bei der Zementklinkerherstellung anfallendem Abgas, wird eine regenerative thermische Nachverbrennungsanlage (24) verwendet, mit der bei einer Temperatur von mehr als 800°C in der mehrstufigen Brennkammer (35) die Kohlenstoffverbindung oxidiert und derstoffverbindung thermisch reduziert werden.

Method and Device For Removing Sulphur Dioxide From a Dry Gas Stream

The invention relates to a method for removing sulfur dioxide from a dry gas stream which comprises following steps: (a) adding a hydrogen-peroxide-comprising liquid to the gas stream, sulfuric acid forming from the hydrogen peroxide and the sulfur dioxide and (b) condensing, absorbing or aerosol precipitation of the sulfuric acid formed. The admixed hydrogen-peroxide-comprising liquid is mixed with the dry gas stream in the course of less than 0.3 s in such a manner that the admixed liquid is essentially homogeneously distributed in the gas stream. Furthermore, the invention relates to an apparatus for removing sulfur dioxide from a dry gas stream which comprises at least one atomizing nozzle for adding the hydrogen-peroxide-comprising liquid and a filter or aerosol separator, arranged downstream, in the direction of flow of the gas stream, of the at least one atomizing nozzle, in each case at least one atomizing nozzle being arranged on a cross sectional area of 300 to 350 cm² Подробнее

Assembly and method for introducing a reducing agent into the exhaust pipe of an exhaust system of an internal combustion engine

An assembly (10) for introducing a reducing agent into the exhaust pipe (12) of an exhaust system of an internal combustion engine, in particular of a motor vehicle, has a feed connector (14) which opens into the exhaust pipe (12) and includes a wall (16), a feed device (20) for reducing agents which opens into the feed connector (14), and a device (22) for generating a gas flow (G) which is additional to the reducing agent flow (R) and lines the wall (16) of the feed 10 connector (14). Furthermore, there is described a method of introducing a reducing agent into the exhaust pipe (12) of an exhaust system of an internal combustion engine, in particular of a motor vehicle.

SYSTEM AND METHOD FOR DECREASING NOX EMISSIONS FROM A FLUIDIZED BED COMBUSTION SYSTEM

Disclosed herein is a NOx reducing system comprising a first inner conduit in fluid communication with a reactant source; and a first outer conduit comprising an open end for receiving the first inner conduit and a closed end; the first outer conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream. Also disclosed herein is a NOx reducing system comprising a conduit comprising a closed end and an open end that is in fluid communication with a reactant source; the conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream; the port being located on a downstream surface of the first outer conduit.

Method and device for controlled dosing of a gas with fluctuating supply pressure

A method for controlled dosing of a gas with fluctuating supply pressure (PSupply). Dosing of the gas through a valve (6) is performed while a valve (5) is closed, and the decrease in control-volume pressure (PCV) is recorded, until a lower critical pressure level (PCRIT) is reached. The control-volume pressure (PCV) is raised by closing dosing valve (6) and opening the valve (5). The amount of the dosed gas is calculated based on the known volume (VCV) of the control volume (4) and at least one of the change in control-volume pressure (PCV) and control-volume temperature (TCV) in the period where valve (5) is closed. The amount of dosed gas is compared with a target or set-point to adjust or regulate the subsequent dosing period or dosing event.

METHOD AND DEVICE FOR CONTROLLED DOSING OF A GAS WITH FLUCTUATING SUPPLY PRESSURE

FLUID-COOLED MOUNT FOR AN INJECTOR

A fluid-cooled mount for an injector, suitable, for example, for mounting an automotive fuel injector on a combustion exhaust system to inject an NOxreducing fluid into the exhaust system.

System and method for decreasing NOx emissions from a fluidized bed combustion system

Disclosed herein is a NOx reducing system comprising a first inner conduit in fluid communication with a reactant source; and a first outer conduit comprising an open end for receiving the first inner conduit and a closed end; the first outer conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream. Also disclosed herein is a NOx reducing system comprising a conduit comprising a closed end and an open end that is in fluid communication with a reactant source; the conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream; the port being located on a downstream surface of the first outer conduit.

変動する供給圧力でもってガスを制御しつつ導出するための方法およびデバイス

Abgasreinigungsanlage für ein Kraftfahrzeug mit einem Reduktionsmittelvorratsbehälter und Betriebsverfahren hierfür

Die Erfindung betrifft eine Abgasreinigungsanlage für ein Kraftfahrzeug mit einem Reduktionsmittelvorratsbehälter und ein Betriebsverfahren hierfür. DOLLAR A Es wird eine Abgasreinigungsanlage für ein Kraftfahrzeug, für welches vorgegebene Wartungsintervalle vorgesehen sind, mit einem Reduktionsmittelvorratsbehälter zur Bevorratung eines für die Abgasreinigung vorgesehenen Reduktionsmittels vorgeschlagen, sowie ein Verfahren zum Betreiben eines Kraftfahrzeugs mit einer Abgasreinigungsanlage und einem Reduktionsmittelvorratsbehälter zur Bevorratung eines zur Abgasreinigung vorgesehenen Reduktionsmittels, welches vorgegebene Wartungsarbeiten nach vorgegebenen Wartungsintervallen umfasst. DOLLAR A Erfindungsgemäß ist die Füllkapazität des Reduktionsmitelbehälters so gewählt, dass sie mindestens eine durch einen angenommenen Reduktionsmittelverbrauch im Wartungsintervall vorgegebene Größe aufweist. Für das Verfahren ist vorgesehen, dass eine Verschlusseinrichtung des Reduktionsmittelvorratsbehälters ...

METHOD AND DEVICE FOR CONTROLLED DOSING OF A GAS WITH FLUCTUATING SUPPLY PRESSURE

RESERVOIR FOR AN EXHAUST AFTERTREATMENT MEDIUM OF AN EXHAUST AFTERTREATMENT DEVICE FOR VEHICLES HAVING DIESEL COMBUSTION ENGINES

The invention relates to a reservoir for an exhaust aftertreatment medium of an exhaust aftertreatment device. The reservoir can be used for vehicles having diesel combustion engines. The reservoir has a holding space for the exhaust aftertreatment medium that, from a holding space, leads to the at least one connection via a diaphragm (16).

Method and device for controlled dosing of a gas with fluctuating supply pressure

A method for controlled dosing of a gas with fluctuating supply pressure (PSupply). Dosing of the gas through a valve (6) is performed while a valve (5) is closed, and the decrease in control-volume pressure (PCV) is recorded. The control-volume pressure (PCV) is raised by closing dosing valve (6) and opening the valve (5). The amount of the dosed gas is calculated based on the known volume (VCV) of the control volume (4) and at least one of the change in control-volume pressure (PCV) and control-volume temperature (TCV) in the period where valve (5) is closed. The amount of dosed gas is compared with a target or set-point to adjust or regulate the subsequent dosing period or dosing event.

Verfahren und Vorrichtung zur Reinigung von Abgasen

Zur Reinigung von Abgas, das Kohlenwasserstoffverbindungen und Stickoxide enthält, insbesondere von bei der Zementklinkerherstellung anfallendem Abgas, wird eine regenerative thermische Nachverbrennungsanlage (24) verwendet, mit der bei einer Temperatur von mehr als 800°C in der mehrstufigen Brennkammer (35) die Kohlenstoffverbindung oxidiert und derstoffverbindung thermisch reduziert werden.

DEVICE FOR SECONDARY TREATMENT OF EXHAUST GASES

The invention concerns a device for secondary treatment of exhaust gases of an internal combustion engine, comprising an evaporating device for introducing a reactant for the secondary treatment. Said evaporating device comprises a heating element (9) capable of being inserted into the exhaust pipe, and at least a preheating element (12, 14) arranged outside the exhaust pipe, for preheating the reactant. The inventive device is useful for evaporating and introducing a reactant, in particular of fuel, even in large amounts, in an internal combustion engine exhaust line.

Exhaust gas purification system for a motor vehicle having a reducing agent storage tank, and associated operating method

An exhaust gas purification system for a motor vehicle having a reducing agent storage tank, and an associated operating method. In particular, an exhaust gas purification system for a motor vehicle, for which predetermined maintenance intervals is provided. The system includes a reducing agent storage tank for storing a reducing agent intended for exhaust gas purification. A method for operating a motor vehicle having an exhaust gas purification system and a reducing agent storage tank for storing a reducing agent intended for the exhaust gas purification, which comprises predetermined maintenance work after predetermined maintenance intervals is also provided.

Vorrichtung und Verfahren zur Nachbehandlung von brennbare Inhaltsstoffe enthaltender Prozessabluft

Bei einem Verfahren zur Nachbehandlung von brennbare Inhaltsstoffe enthaltender Prozessabluft werden die brennbaren Inhaltsstoffe in der Prozessabluft in einem Oxidationskatalysator (12) umgesetzt. Dabei werden stromauf des Oxidationskatalysators (12) ein Gehalt von brennbaren Inhaltsstoffen und/oder ein Sauerstoffgehalt in der Prozessabluft mittels einer Messvorrichtung (30–34) erfasst. Außerdem werden durch eine Medienzugabeeinrichtung (14) stromauf des Oxidationskatalysators (12) inerte Medien, vorzugsweise Wasser oder Wasserdampf, in die Prozessabluft derart zugegeben, dass der Gehalt von brennbaren Inhaltsstoffen in der Prozessabluft einen vorgegebenen ersten Grenzwert nicht überschreitet und/oder der Sauerstoffgehalt in der Prozessabluft einen vorgegebenen zweiten Grenzwert nicht überschreitet.

ASSEMBLY AND METHOD FOR INTRODUCING A REDUCING AGENT INTO THE EXHAUST PIPE OF AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE

An assembly (10) for introducing a reducing agent into the exhaust pipe (12) of an exhaust system of an internal combustion engine, in particular of a motor vehicle, has a feed connector (14) which opens into the exhaust pipe (12) and includes a wall (16), a feed device (20) for reducing agents which opens into the feed connector (14), and a device (22) for generating a gas flow (G) which is additional to the reducing agent flow (R) and lines the wall (16) of the feed 10 connector (14). Furthermore, there is described a method of introducing a reducing agent into the exhaust pipe (12) of an exhaust system of an internal combustion engine, in particular of a motor vehicle.

Systems and methods of reducing selenium contamination in waste water

A method of reducing selenium contamination in a waste water stream is described herein. The method includes channeling a flue gas stream through an absorber, contacting the flue gas stream with an aqueous alkaline-based slurry, such that any selenium byproduct in the flue gas stream forms a selenium compound within the aqueous alkaline-based slurry, controlling oxidation of the selenium compound in the aqueous alkaline-based slurry, and adding a precipitation agent to the aqueous alkaline-based slurry to cause the selenium compound within the aqueous alkaline-based slurry to precipitate.

Process and apparatus for cleaning offgases by means of regenerative thermal postcombustion

To clean offgas which comprises hydrocarbon compounds and nitrogen oxides, especially offgas obtained in cement clinker production, a regenerative thermal postcombustion plant (24) is used, with which the carbon compound is oxidized and the nitrogen oxides are thermally reduced to supply a nitrogen-hydrogen compound at a temperature of more than 800 DEG C in the multistage combustion chamber (35).

Method and device for removing sulphur dioxide from a dry gas stream

The invention relates to a method for removing sulphur dioxide from a dry gas stream which comprises the following steps: (a) admixing a liquid comprising hydrogen peroxide into the gas stream, where sulphuric acid forms from the hydrogen peroxide and the sulphur dioxide, and (b) condensing, absorbing or aerosol-precipitating the sulphuric acid formed. The admixed liquid comprising hydrogen peroxide is mixed with the dry gas stream in less than 0.3 s so that the admixed liquid is essentially homogeneously distributed in the gas stream.; In addition, the invention relates to a device for removing sulphur dioxide from a dry gas stream which comprises at least one atomizer nozzle for adding the liquid comprising hydrogen peroxide and a filter or aerosol precipitator arranged in the direction of flow of the gas stream behind the at least one atomizer nozzle, where in each case at least one atomizer nozzle is arranged on a cross sectional area of from 300 to 350 cm<2>.

Assembly and method for introducing a reduction agent into the exhaust gas line of an exhaust gas system of an internal combustion engine

Assembly and method for introducing a reducing agent into the exhaust pipe of an exhaust system of an internal combustion engine

An assembly (10) for introducing a reducing agent into the exhaust pipe (12) of an exhaust system of an internal combustion engine, in particular of a motor vehicle, has a feed connector (14) which opens into the exhaust pipe (12) and includes a wall (16), a feed device (20) for reducing agents which opens into the feed connector (14), and a device (22) for generating a gas flow (G) which is additional to the reducing agent flow (R) and lines the wall (16) of the feed 10 connector (14). Furthermore, there is described a method of introducing a reducing agent into the exhaust pipe (12) of an exhaust system of an internal combustion engine, in particular of a motor vehicle.

SYSTEM AND METHOD FOR DECREASING NOX EMISSIONS FROM A FLUIDIZED BED COMBUSTION SYSTEM

EXHAUST PURIFICATION APPARATUS

Even in a vehicle with travel pattern of continuing operational status with low exhaust temperature, a satisfactory NOx reduction effect can be attained even at exhaust temperature lower than that required conventionally therefor. In an exhaust emission control device with selective reduction catalyst 10 incorporated in an exhaust pipe 9, ammonia being added upstream of the catalyst 10 for reduction and purification of NOx, the device comprises an ammonia generator 12 with a vessel 15 for holding urea water 23a and with an electrode 16 for generation of ammonia 13a, 13b through action of plasma on the urea water 23a in the vessel, the ammonia 13a, 13b generated in the generator 12 being fed upstream of the catalyst 10.

FLUID-COOLED MOUNT FOR AN INJECTOR

A fluid-cooled mount for an injector, suitable, for example, for mounting an automotive fuel injector on a combustion exhaust system to inject an NOx reducing fluid into the exhaust system.

PROCESS AND APPARATUS FOR CLEANING OFFGASES BY MEANS OF REGENERATIVE THERMAL POSTCOMBUSTION

ASSEMBLY AND METHOD FOR INTRODUCING A REDUCING AGENT INTO THE EXHAUST PIPE OF AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE

An assembly (10) for introducing a reducing agent into the exhaust pipe (12) of an exhaust system of an internal combustion engine, in particular of a motor vehicle, has a feed connector (14) which opens into the exhaust pipe (12) and includes a wall (16), a feed device (20) for reducing agents which opens into the feed connector (14), and a device (22) for generating a gas flow (G) which is additional to the reducing agent flow (R) and lines the wall (16) of the feed 10 connector (14). Furthermore, there is described a method of introducing a reducing agent into the exhaust pipe (12) of an exhaust system of an internal combustion engine, in particular of a motor vehicle.

Fluid-cooled mount for an injector

A fluid-cooled mount for an injector; suitable, for example, for mounting an automotive fuel injector on a combustion exhaust system to inject an NOx reducing fluid into the exhaust system.

NOZZLE FOR THE DISTRIBUTION OF POWDERY PRODUCTS IN A GAS CONDUCT IND ITS PROCESS OF APPLICATION

Exhaust gas purification apparatus

Exhaust gas purification apparatus

An exhaust gas purification apparatus of an engine, capable of preventing erroneous detection of an injection nozzle clogging, and having a reducing catalytic converter disposed in an exhaust system, for reducing and purifying nitrogen oxide in the exhaust gas using urea water; a urea water tank storing the urea water; a urea water supply unit sucking up the urea water from the urea water tank and mixes it with high-pressure air for delivery; and an injection nozzle injecting the urea water mixed with the high-pressure air, into an exhaust gas moving upstream side of the reducing catalytic converter in an exhaust gas passage, and further having a clogging detection unit capable of detecting clogging of the injection nozzle based on each detection output of a pressure of the air introduced into the urea water supply unit, and a temperature of the injection nozzle.

EXHAUST GAS PURIFICATION SYSTEM FOR A MOTOR VEHICLE COMPRISING A REDUCING AGENT STORAGE VESSEL AND OPERATING METHOD THEREFOR

EXHAUST GAS PURIFICATION DEVICE

An exhaust gas purification apparatus capable of preventing erroneous detection of clogging of an injection nozzle, in which an exhaust gas purification apparatus having a reducing catalytic converter 4 disposed in an engine exhaust system 1, reducing and purifying nitrogen oxide in the exhaust gas using urea water; a urea water tank 6 storing the urea water; a urea water supply unit 7 sucking up urea water from the urea water tank 6 and mixing it with high-pressure air for delivery; and an injection nozzle 5 injecting the urea water mixed with high-pressure air, into an exhaust gas on upstream side of the reducing catalytic converter 4 in an engine exhaust gas passage. The apparatus further provided with a clogging detection unit 8 detecting clogging of the injection nozzle based on each detection output of a pressure of the air introduced into the urea water supply unit 7, and a temperature of the injection nozzle 5.

METHOD AND DEVICE FOR CONTROLLED DOSING OF A GAS WITH FLUCTUATING SUPPLY PRESSURE

EXHAUST GAS PURIFICATION DEVICE

Systems and methods of reducing selenium contamination in waste water

A method of reducing selenium contamination in a waste water stream (144) is described herein. The method includes channeling a flue gas stream (126) through an absorber (114), contacting the flue gas stream (126) with an aqueous alkaline-based slurry (120), such that any selenium byproduct in the flue gas stream (126) forms a selenium compound within the aqueous alkaline-based slurry (120), controlling oxidation of the selenium compound in the aqueous alkaline-based slurry (120), and adding a precipitation agent (138) to the aqueous alkaline-based slurry (120) to cause the selenium compound within the aqueous alkaline-based slurry (120) to precipitate.

EXHAUST EMISSION CONTROL DEVICE

PROBLEM TO BE SOLVED: To obtain a satisfactory NOx reduction effect from an exhaust temperature lower than a conventional one even on a vehicle operated in such a manner as to prolong driving condition with low exhaust temperatures, and to improve controllability on the amount of ammonia to be added by efficiently producing ammonia from urea water. SOLUTION: An emission control device is equipped with a selective reduction type catalyst 10 midway of an exhaust pipe 9 and designed to perform reduction control on NOx by adding ammonia upstream of the selective reduction type catalyst 10. An ammonia generation device 12 is provided, which comprises a container 15 storing the urea water 23a and an electrode 16 that generates ammonia gas 13a by having plasma act on the urea water 23a in the container 15. The ammonia gas 13a generated by the ammonia generation device 12 is supplied upstream of the selective reduction type catalyst 10. COPYRIGHT: (C)2006,JPO&NCIPI ...

System and method for decreasing NOx emissions from a fluidized bed combustion system

Disclosed herein is a NOx reducing system comprising a first inner conduit in fluid communication with a reactant source; and a first outer conduit comprising an open end for receiving the first inner conduit and a closed end; the first outer conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream. Also disclosed herein is a NOx reducing system comprising a conduit comprising a closed end and an open end that is in fluid communication with a reactant source; the conduit comprising a port for discharging reactant from the reactant source into an exhaust gas stream; the port being located on a downstream surface of the first outer conduit.

Exhaust gas purification apparatus

An exhaust gas purification apparatus of an engine, capable of preventing erroneous detection of an injection nozzle clogging, and having a reducing catalytic converter disposed in an exhaust system, for reducing and purifying nitrogen oxide in the exhaust gas using urea water; a urea water tank storing the urea water; a urea water supply unit sucking up the urea water from the urea water tank and mixes it with high-pressure air for delivery; and an injection nozzle injecting the urea water mixed with the high-pressure air, into an exhaust gas moving upstream side of the reducing catalytic converter in an exhaust gas passage, and further having a clogging detection unit capable of detecting clogging of the injection nozzle based on each detection output of a pressure of the air introduced into the urea water supply unit, and a temperature of the injection nozzle.

Exhaust gas purification apparatus

An exhaust gas purification device where occurrence of detection failure of injection nozzle clogging is suppressed. An exhaust gas purification device for an engine, having a reduction catalyst (4) provided in the exhaust system of the engine (1) and reducing and purifying a nitrogen oxide in exhaust gas by a urea water, a urea water tank (6) storing the urea water, a urea water supply means (7) for sucking up the urea water and sending it out after mixing it with high-pressure air, and an injection nozzle (5) for injecting the urea water, mixed with the high-pressure air, inside an exhaust pipe (3) of the exhaust gas system, to the exhaust gas upstream side of the reduction catalyst (4). The exhaust gas purification device further has a clogging detection means (8) for detecting clogging of the injection nozzle based on a detection output on the pressure of air introduced into the urea water supply means (7) and a detection output on the temperature of the injection nozzle (5).

EXHAUST PURIFICATION APPARATUS

System and method for decreasing nox emissions from a fluidized bed combustion system

Two-Step Process for the Cleaning of a Flue Gas

A two-step process for the cleaning of a stream of flue gas, containing noxious acidic compounds, by means of a quantity of basic sodium reagent, wherein the quantity of basic sodium reagent is injected in a secondary stream diverted from the main stream wherein it reacts in a first step with the noxious acidic compounds contained in the secondary stream during a pre reaction period, resulting in pre-reacted basic reagent, un-reacted basic reagent and partially cleaned secondary stream of flue gas; and wherein after the pre reaction period, the partially cleaned secondary stream comprising the quantity of pre reacted basic sodium reagent is reintroduced in the main stream, the pre-reacted reagent and un-reacted reagent further reacting in a second step with at least part of the remaining noxious acids left in the partially cleaned secondary stream of flue gas.

High-Temperature Treatment of Hydrous Minerals

Increasing the activity of a hydrous magnesium silicate with respect to sequestration of carbon dioxide by mineral carbonation includes rapid heating of the hydrous magnesium silicate. Rapid heating of the hydrous magnesium silicate includes heating a quantity of particles of hydrous magnesium silicate with flame conditions to substantially dehydroxylate the particles. The dehydroxylated particles can be contacted with carbon dioxide in a sequestration process to form magnesium carbonate.

Method and device for purifying exhaust gases

The invention relates to a regenerative thermal postcombustion plant ( 24 ) used for purifying exhaust gas comprising hydrocarbons and nitrogen oxides, particularly for exhaust gas occurring during cement clinker production, by means of which the carbon compound is oxidized and the nitrogen oxides are thermally reduced while feeding in a nitrogen-hydrogen compound at a temperature of greater than 800° C. in the multistage combustion chamber ( 35 ).

Flue gas treatment system

The present invention relates to a gas cleaning system for cleaning a gas stream containing carbon dioxide and sulfur dioxide, said gas cleaning system comprising: a pre-conditioning section ( 3 ); a CO 2 removal stage ( 5 ); and a post-conditioning section ( 4 ); said pre-conditioning section comprising at least two gas-liquid contacting devices ( 19,20 ) arranged upstream of the CO 2 removal stage ( 5 ) with respect to the flow direction of the gas; and said post-conditioning section comprising at least two gas-liquid contacting devices ( 30,31 ) arranged downstream of the CO 2 removal stage with respect to the flow direction of the gas. The present invention further relates to a method for cleaning a gas stream containing carbon dioxide and sulfur dioxide, said method including removing, at least partly, carbon dioxide from the gas stream in a carbon dioxide removal step by bringing the gas stream into contact with a liquid comprising ammonia; contacting the gas stream with liquid in at least two steps upstream of the carbon dioxide removal step; and contacting the gas stream with liquid in at least two steps downstream of the carbon dioxide removal step.

Vacuum Truck Scrubber System

A system and method scrub a vapor. In one embodiment, a vacuum truck scrubber system includes a liquid vat. The liquid vat comprises liquid. The system also includes a first carbon canister. The liquid vat is connected to the first carbon canister. The first carbon canister contains carbon. In addition, the system includes a second carbon canister. The first carbon canister is connected to the second carbon canister. The second carbon canister contains carbon. In addition, the system includes a third carbon canister. Moreover, the system includes that a vapor comprising contaminants is fed to the liquid vat and is introduced from the liquid vat to the first carbon canister wherein a portion of the contaminants are removed from the vapor. The vapor is introduced from the first carbon canister to the second carbon canister wherein another portion of the contaminants are removed from the vapor.

System for recovery of ammonia from lean solution in a chilled ammonia process utilizing residual flue gas

Disclosed herein is a method comprising contacting a residual flue gas stream with a lean solution stream in an appendix stripper; where the residual flue gas stream comprises nitrogen, oxygen and moisture; and where the lean solution stream comprises ammonium, ammonium carbonate, ammonium bicarbonate and ammonium sulfate; forming a vapor phase that comprises ammonia vapor, water vapor, carbon dioxide and nitrogen; forming a liquid phase that comprises water, ammonium sulfate and ammonia; discharging the vapor phase to a capture system; and discharging the liquid phase to a direct contact cooler.

Exhaust gas purification system

The present invention relates to a technology of reducing nitrogen oxide (NOx) which is harmful discharge gas discharged from an internal combustion engine or a combustor, and to an exhaust gas purification system which inputs solid ammonium salt such as ammonium carbamate or ammonium carbonate into a reactor, thermally decomposes and converts the solid ammonium salt into the ammonia by using engine cooling water, exhaust gas, or an electric heater, which are installed in the reactor, and reduces the nitrogen oxide included in the exhaust pipe on a selective catalytic reduction into nitrogen by injecting the ammonia by using a pressure regulator and a dosing valve.

Wet type exhaust gas desulfurization apparatus

A wet type exhaust gas desulfurization apparatus includes an absorption tower desulfurizing exhaust gas by causing the exhaust gas to come into gas-liquid contact with an absorbent, a spray mechanism spraying the absorbent into the tower, an oxidization mechanism provided in a bottom portion of the tower and supplying oxygen to the absorbent that accumulates inside the tower, a circulation mechanism feeding the absorbent from a discharge port formed in the bottom portion of the tower, to the spray mechanism, and a liquid ejection mechanism including a hydraulic nozzle ejecting liquid into the tower. In this apparatus, the oxidization mechanisms are provided with an interval in a horizontal direction relative to the discharge port. Furthermore, in the apparatus, the hydraulic nozzle is installed in the bottom portion of the tower and is provided at a location between the oxidization mechanism and the discharge port.

Ambient Oxygen Concentrating Torch

An ambient oxygen concentrating torch has an oxygen concentrating unit disposed in operational communication with a second compressor whereby oxygen is sourced from the ambient atmosphere by Pressure Swing Adsorption and producible for pressurization and storage interior to a pressure tank. Controlled release of the stored oxygen is thereby enabled for combination with a hydrocarbon to effect combustion and production of a high-temperature flame as used in welding and cutting. Because oxygen is sourced from the ambient environment, and is continuously producible therefrom, need of separate oxygen canisters is entirely obviated.

PRODUCTION OF CRYSTALLIZED COBALT (II) CHLORIDE HEXAHYDRATE

A method for production of crystallized Cobalt (II) Chloride hexahydrate is disclosed, and an implementation includes preparing a first cobalt (II) chloride solution, separating impurities from the first cobalt (II) chloride solution to obtain a second cobalt (II) chloride solution, concentrating the second cobalt (II) chloride solution, cooling the concentrated second cobalt (II) chloride solution, and injecting COgas into the cooled concentrated second cobalt (II) chloride solution at an atmospheric pressure in order for Cobalt (II) Chloride hexahydrate crystals to form in the cooled concentrated second cobalt (II) chloride solution. 1. A method for production of crystallized Cobalt (II) Chloride hexahydrate , the method comprising:preparing a first cobalt (II) chloride solution;separating impurities from the first cobalt (II) chloride solution to obtain a second cobalt (II) chloride solution;concentrating the second cobalt (II) chloride solution to a concentrated second cobalt (II) chloride solution;cooling the concentrated second cobalt (II) chloride solution to a cooled concentrated second cobalt (II) chloride solution; and{'sub': '2', 'forming Cobalt (II) Chloride hexahydrate crystals in the cooled concentrated second cobalt (II) chloride solution, wherein the forming includes injecting COgas into the cooled concentrated second cobalt (II) chloride solution at an atmospheric pressure.'}2. The method according to claim 1 , wherein cooling the concentrated second cobalt (II) chloride solution to the cooled concentrated second cobalt (II) chloride solution includes cooling the concentrated second cobalt (II) chloride solution to a predetermined temperature.3. The method according to claim 2 , wherein the method further includes separating the formed Cobalt (II) Chloride hexahydrate crystals from the cooled concentrated second cobalt (II) chloride solution at the predetermined temperature.4. The method according to claim 3 , wherein separating the formed Cobalt ( ...

Arrangement of a combustor and a device for selective non catalytic reduction and injection nozzle

The nozzle for injecting a reagent into a combustor has a body with a cavity, an occlusion for the cavity, a slit for injecting the reagent, at least one intermediate disc between the body and the occlusion, the at least one intermediate disc having at least one opening for the passage of the reagent, wherein the nozzle further has a first slit between the body and the at least one intermediate disc, a second slit between the occlusion and the at least one intermediate disc ( 56 ), and/or at least one slit having at least one corrugated border defining a variable size slit between a minimum size and a maximum size.

CUMENE-PHENOL COMPLEX WITH THERMAL OXIDATION SYSTEM

A process for the treatment of waste water, spent air, and hydrocarbon containing liquid and gaseous streams in the cumene/phenol complex is described. Various effluent streams are combined in appropriate collection vessels, including a spent air knockout drum, a hydrocarbon buffer vessel, a fuel gas knockout drum, a phenolic water vessel, and a non-phenolic water vessel. Streams from these vessels are sent to a thermal oxidation system. 1. A process for producing phenol comprising:oxidizing a fresh cumene feed stream in an oxidation unit section to form an oxidation product stream comprising cumene hydroperoxide (CHP), dimethylphenylcarbinol (DMPC), and cumene, and at least one of an oxidation waste water stream, an oxidation spent air stream, and a decanter vent stream;concentrating the oxidation product stream in a CHP concentration unit section to form a concentrated CHP stream and a concentration vent gas stream;decomposing the concentrated CHP stream in a decomposition unit section using a decomposition acid to form an acidic crude product stream comprising phenol, acetone, cumene, and AMS;neutralizing the acidic crude product with a neutralization agent in a neutralization unit section to form a neutralized crude product stream;fractionating the neutralized crude product stream in an acetone-phenol fractionation unit section into a fractionation cumene-AMS-phenol stream, and at least one of a fractionation phenolic water stream, a fractionation organic product stream, a fractionation waste water stream, and a fractionation hydrocarbon vent gas stream;separating the fractionation cumene-AMS-phenol stream in a phenol recovery unit section into a cumene-AMS feed stream, and at least one of a recycled sprung phenol stream comprising phenol and cumene, and a phenolic waste water stream;hydrogenating the cumene-AMS feed stream in an AMS hydrogenation unit section to form a MSHP recycled cumene stream; introducing at least one of the fractionation organic product ...

Nozzle Assembly

Various methods and apparatus are disclosed that relate to one or more aspects of an abatement system. In various aspects a nozzle assembly of an abatement system includes at least one rotationally adjustable nozzle tubing having at least one nozzle coupled thereto.

Carbon dioxide removal system

A process for capture of carbon dioxide from gases comprising using Li4SiO 4 contained in a molten salt mixture at a elevated temperature and recovering the CO 2 captured. Also disclosed is A process for producing hydrogen from hydrocarbons or coal comprising reacting steam and hydrocarbon at conditions that convert them to hydrogen and CO 2 ; contacting the CO 2 containing gas so formed with Li4SiO 4 contained in a molten salt mixture at an elevated temperature and recovering the CO 2 so captured.

Wet scrubber and a method of cleaning a process gas

A wet scrubber ( 1 ) and a method of using the wet scrubber to clean a process gas containing sulphur dioxide comprising at least one spray level system ( 20 ) with atomizing nozzles ( 38 ) to which an absorption liquid is supplied for atomization by the nozzles ( 38 ). The method comprises operating the spray level system ( 20 ) in at least a first operating mode with an active nozzle density of at least 0.7 nozzles/m 2 , an absorption liquid flow of at least 10 m 3 /hour per nozzle and a Total Flow of at least 30 m 3 /hour/m 2 .

Mineral Carbonation

An integrated process for carbon dioxide capture, sequestration and utilization, includes a) providing an aqueous slurry with a particulate solid including an activated magnesium silicate mineral; b) contacting a CO-containing gas stream with the aqueous slurry to provide a slurry comprising a magnesium ion enriched carbonated aqueous liquid and a magnesium depleted solid residue; c) subjecting at least part of the magnesium depleted solid residue to a particle size classification process that separates the magnesium depleted solid residue into a fine particle size fraction and a coarse particle size fraction; d) subjecting the coarse particle size fraction to a particle size reduction process; e) providing an aqueous slurry comprising particle size reduced fraction from step d) and repeating step b), wherein this step e) does not include using fine particle size fraction from step c); and f) precipitating magnesium carbonate from magnesium ions dissolved in b) and e). 1. An integrated process for carbon dioxide capture , sequestration and utilisation , which comprises:a) providing an aqueous slurry comprising an aqueous liquid and a particulate solid comprising an activated magnesium silicate mineral;{'sub': '2', 'b) in a dissolution stage, contacting a CO-containing gas stream with the aqueous slurry to dissolve magnesium from the mineral to provide a slurry comprising a magnesium ion enriched carbonated aqueous liquid and a magnesium depleted solid residue;'}c) subjecting at least part of the magnesium depleted solid residue from step b) to a particle size classification process that separates the magnesium depleted solid residue into a fine particle size fraction and a coarse particle size fraction;d) subjecting at least part of the coarse particle size fraction from step c) to a particle size reduction process to provide a particle size reduced fraction;e) providing an aqueous slurry comprising particle size reduced fraction from step d) and repeating step b), ...

DRYER FOR AIR SUSPENSION

A housing includes an air introduction flow passage, an air discharge flow passage, and a desiccant agent accommodated in the housing. One end portion of the housing is at a lower side of the housing in a vertical direction aligned with the axial direction. An air-liquid separation chamber is formed at a bottom portion of the housing, and includes an air supply passage supplying air to the desiccant agent at an upper housing surface, and is communicated with the air introduction flow passage and the air discharge flow passage to separate moisture in the air introduced from the air introduction flow passage. An adsorption member is accommodated in the air-liquid separation chamber to adsorb moisture separated in the air-liquid separation chamber. Air introduced from the air introduction flow passage is supplied to an air suspension device through the adsorption member and the desiccant agent. 1. A dryer for an air suspension installed in an air suspension device of a vehicle comprising:a housing having an air introduction flow passage and an air discharge flow passage located on one end portion in an axial direction of the housing, the one end portion being placed at a lower side of the housing in a vertical direction aligned with the axial direction,a desiccant agent accommodated in the housing,an air-liquid separation chamber that is formed at a bottom portion of the housing, and that includes an air supply passage for supplying the air to the desiccant agent at an upper surface of the housing, the air-liquid separation chamber being communicated with the air introduction flow passage and the air discharge flow passage to separate moisture contained in the air introduced from the air introduction flow passage, andan adsorption member accommodated in the air-liquid separation chamber, to adsorb the moisture separated in the air-liquid separation chamber, wherein the air introduced from the air introduction flow passage is supplied to the air suspension device ...

Separation of co2 and h2s using supported amines

Methods are provided for removing CO 2 and/or H 2 S from a gas phase stream, such as a refinery flue gas stream, a coal-fired or petroleum-burning power plant, or a natural gas stream. A gas phase stream containing CO 2 and/or H 2 S can be contacted under effective conditions with an aqueous slurry of supported amine particles. The CO 2 and/or H 2 S can react with the supported amines to form bicarbonates, carbonates, carbamates, sulfide salts, or other species. Because the amine is part of, bonded to, or otherwise supported on a particulate substrate, the reaction product from the amine reaction can also remain bound to the particle. After reacting supported amines with CO 2 and/or H 2 S captured from a gas stream, the supported amines particles can be separated from the aqueous slurry environment for regeneration of the supported amine and release of the CO 2 and/or H 2 S.

CATALYST FOR CATALYTIC OXIDATIVE CRACKING OF HYDROGEN SULPHIDE WITH CONCURRENT HYDROGEN PRODUCTION

Disclosed is a catalyst suitable for the catalytic oxidative cracking of a HS-containing gas stream. The catalyst comprises at least one or more active metals selected from the group consisting of iron, cobalt, and nickel, supported by a carrier comprising ceria and alumina. The active metal is preferably in the form of its sulphide. Also disclosed is a method for the production of hydrogen from a HS-containing gas stream, comprising subjecting the gas stream to catalytic oxidative cracking so as to form Hand S, using a catalyst in accordance with any one of the composition claims. 1. A method for the production of hydrogen from a HS-containing gas stream , comprising subjecting the gas stream to catalytic oxidative cracking so as to form Hand S , using a catalyst comprising at least one active metal selected from the group consisting of iron , cobalt , nickel , and combinations thereof , wherein said active metal is supported by a carrier comprising ceria and alumina.2. The method of claim 1 , wherein the composition of the catalyst comprises nickel.3. The method of claim 1 , wherein the catalytic oxidative cracking is conducted with a molar ratio HS/Oin the feedstock higher than 2:1 claim 1 , preferably in the range of from 2:1 to 6:1.4. The method of claim 3 , wherein the ratio is in a range of from 3:1 to 5:1 claim 3 , preferably 3.5:1 to 4.5:1.5. The method of claim 1 , wherein the catalytic oxidative cracking is conducted using an oxygen-containing gas-stream comprising at least 40 vol. % oxygen claim 1 , preferably at least 60 vol. % oxygen.6. The method of claim 5 , wherein the oxygen-containing gas-stream is oxygen having a purity of from 90-100 vol. %. 7.7. The method of claim 1 , wherein the catalytic oxidative cracking is conducted at a temperature in a range from 700° C. to 1300° C. claim 1 , preferably in a range from 950° C. to 1250° C.8. The method of claim 1 , comprising a further step of subjecting formed SO claim 1 , and optionally also COS and/or ...

Steam-explosion equipment and method for treatment of organic material

A continuous-flow steam explosion reactor for pretreatment of organic material for further processing to value-added products is provided. The reactor comprises a loading section, a high-pressure retention section with an adjustable-speed conveyor, a pressure relief section and a discharge section. The reactor comprises means for providing steam into at least said high-pressure retention section and means for providing pressurized gas (e.g. air) to further boost pressure. The loading section is suitably configured to transfer material from ambient pressure to the high-pressure retention section while retaining high pressure and temperature in the high-pressure retention section, and the pressure relief section configured to transfer material from the high-pressure retention section to a discharge section while retaining high pressure in the high-pressure retention section. The pressure relief section is configured to release material with a drop in pressure to said discharge section while retaining high pressure in the high-pressure retention section.

Processes for Removing a Nitrogen-Based Compound from a Gas or Liquid Stream to Produce a Nitrogen-Based Product

The present invention is directed to a process for removing gas phase nitrogen-based compounds by absorption into a liquid stream. The absorbed nitrogen-based compound is reacted with an acid to produce a nitrogen-based product. The nitrogen-based compound, the acid, and the resulting nitrogen-based product may be organic compounds, i.e. compounds derived from animal matter or plant matter and the nitrogen-based product may be a fertilizer that may be used in organic agriculture or the production of certified organic foods. Processes are also described for removing nitrogen-based compounds from a liquid stream to produce a nitrogen-based product, including organic fertilizers. One process includes producing cavitation bubbles into which a liquid phase nitrogen-based compound is stripped, followed by absorption to produce a nitrogen-based product. Another process includes the use of a degassing membrane to remove a liquid phase nitrogen-based compound that is degassed to produce a nitrogen-based product, including organic fertilizers.

SYSTEMS AND METHODS FOR UTILIZING TURBINE SYSTEMS WITHIN GAS PROCESSING SYSTEMS

A system includes a solvent gas processing system having a high pressure reaction vessel configured to remove an acid gas from an untreated feed gas using a solvent in a lean solvent fluid stream. The system includes a high pressure reaction vessel is configured to output a treated clean gas and a first flow of a high pressure fluid stream via a first flow path. The system includes a turbine having a main nozzle, an auxiliary nozzle, and an outlet. The main nozzle is configured to receive a second flow of the high pressure fluid stream from the first flow path via a main flow path. The system includes an auxiliary nozzle valve disposed along an auxiliary flow path. The auxiliary nozzle valve is configured to control a third flow of the high pressure fluid stream into the auxiliary nozzle of the turbine. 1. A system , comprising: a high pressure reaction vessel configured to remove an acid gas from an untreated feed gas using a solvent in a lean solvent fluid stream, wherein the high pressure reaction vessel is configured to output a treated clean gas and a first flow of a high pressure fluid stream via a first flow path;', 'a turbine having a main nozzle, an auxiliary nozzle, and an outlet, wherein the main nozzle is configured to receive a second flow of the high pressure fluid stream from the first flow path via a main flow path, and wherein the second flow of the high pressure fluid stream is a portion of the first flow, and wherein the high pressure fluid stream is configured to drive the turbine;', 'an auxiliary nozzle valve disposed along an auxiliary flow path, wherein the auxiliary nozzle valve is configured to control a third flow of the high pressure fluid stream into the auxiliary nozzle of the turbine, and wherein the third flow of the high pressure fluid stream is a portion of the first flow; and', 'a first throttle valve disposed along an outlet flow path, wherein the first throttle valve is configured to control a fourth flow of a low pressure fluid ...

Halocarbon recycling methods and systems

A method for capturing halocarbon from a gas, the method comprising processing gas containing halocarbon with material which is undamaged by exposure to supercritical fluid. A method for reclaiming halocarbon from a material, the method comprising exposing the material to a supercritical fluid.A module for processing a gas containing halocarbon, the module comprising material for capturing halocarbon from a gas, wherein the module is arranged to withstand supercritical fluid.

PROCESS AND PLANT FOR REMOVING THIOLS FROM SYNTHESIS GAS

The invention relates to a process and a plant for removing thiols from synthesis gas. Thiols and optionally thiophene and carbon disulfide are absorbed in a dedicated absorption stage with methanol as physical absorption medium. Methanol laden with at least thiols is freed of thiols in a stripping stage with methanol vapours as stripping gas and the methanol vapours-containing thiols are freed of methanol in a scrubbing stage. The process according to the invention minimizes methanol losses and the amounts of coolant required for the process. 1. A process for removing thiols from synthesis gas in a gas scrubbing process with methanol as physical absorption medium , comprising:(a) removing thiols from synthesis gas in an absorption stage configured for the removal of thiols by physical absorption of the thiols in methanol, wherein the absorption stage affords methanol laden with thiols and further co-absorbed gas components;(b) treating the laden methanol obtained according to step (a) in a stripping stage with methanol vapour as stripping gas to obtain a thiols- and methanol-comprising gaseous mixture and liquid methanol laden with co-absorbed gas components;(c) withdrawing the liquid methanol laden with co-absorbed gas components from the stripping stage according to step (b);(d) withdrawing the thiols- and methanol-comprising gaseous mixture from the stripping stage according to step (b);(e) removing methanol from the gaseous mixture withdrawn according to step (d) in a scrubbing stage by scrubbing with water to obtain a methanol- and water-comprising liquid mixture and gaseous thiols at least partially freed of methanol;(f) withdrawing the gaseous thiols at least partially freed of methanol from the scrubbing stage according to step (e); and(g) withdrawing the methanol- and water-comprising liquid mixture from the scrubbing stage according to step (e).2. The process according to claim 1 , wherein the gaseous mixture obtained according to step (b) is cooled to ...

PROCESSES AND APPARATUSES FOR REMOVING CONTAMINANTS FROM HYDROGEN STREAMS

This present disclosure relates to processes and apparatuses for removing contaminants from hydrogen streams. More specifically, the present disclosure relates to processes and apparatuses wherein hydrogen is used in units that utilize catalysts that are sensitive to oxygenates. The contaminants like carbon oxides and water are removed simultaneously from the hydrogen stream to provide a rich hydrogen stream with high purity to units that utilizes catalysts that are sensitive to oxygenates. 1. A process for removing contaminants from hydrogen streams comprising:passing a hydrogen stream to an adsorbent column;contacting the hydrogen stream with an adsorbent in the adsorbent column at first operating conditions to remove a portion of at least one contaminant to produce a first effluent stream and a second effluent stream; andpassing the second effluent stream to a single drying zone at second operating conditions to produce a dry hydrogen stream.2. The process according to claim 1 , further comprising sending the dry hydrogen stream to a process unit that utilizes a catalyst that is deactivated by oxygenates.3. The process according to claim 1 , wherein the hydrogen stream is a recycle stream.4. The process according to claim 1 , wherein the first operating conditions comprise a temperature of about 20° C. to about 55° C.5. The process according to claim 1 , wherein the first operating conditions comprise a pressure of about 517 kPa (75 psig) to about 6895 kPa (1000 psig).6. The process according to claim 1 , wherein the contaminant comprises carbon oxides claim 1 , water claim 1 , nitrogen oxides claim 1 , and sulfur compounds.7. The process according to claim 1 , wherein the adsorbent is selected from alumina claim 1 , silica gel claim 1 , activated carbon and molecular sieves.8. The process according to claim 1 , wherein the adsorbent comprises combination of alumina claim 1 , silica gel claim 1 , activated carbon and molecular sieves.9. The process according to ...

NOx Reduction Process in a Cement Kiln Manufacturing System

Disclosed is a bypass system for use with off gases that have exited a cement kiln utilized in a cement making process. The bypass system is adapted to remove both NOx and volatile components that are present in the off gases while the off gases are in the bypass duct. 1. A bypass system for use with off gases that have exited a cement kiln utilized in a cement making process comprising:i) means to direct from about 10% to about 70% by mass of the off gases into a bypass duct;ii) means to remove NOx present in the off gases while the off gases are in the bypass duct; andiii) means to remove volatile components present in the off gases while the off gases are in the bypass duct.2. (canceled)3. The bypass system of wherein the off gases are redirected to the cement making process after the NOx and volatile components removal steps.4. The bypass system of wherein the off gases are inserted into a raw meal crushing means after the NOx and volatile components removal steps.5. A process to remove NOx from dust and volatile containing off gases from a cement kiln as said kiln is being utilized in a cement making process comprising:i) withdrawing the NOx containing kiln off gases from a location in the cement making process at which the temperature of such off gases is at least about 1150° C.;ii) reducing the temperature of such gases to a temperature that is suitable for reagent injection; andiii) inserting a reagent into the off gases, said reagent reacting with the NOx in the off gases to thereby remove NOx from said off gases.6. The process of wherein the reagent is ammonia or urea.7. The process of further comprising claim 5 , following the reagent insertion step claim 5 , subjecting the off gases to a second temperature reducing step to condense volatiles on the dust present in the kiln off gases The present invention relates to an apparatus and a method for reducing the quantity of volatile components such as chloride, alkali and sulfur which are introduced to a ...

CARBON DIOXIDE CAPTURING APPARATUS AND CAPTURING METHOD

Provided is a carbon dioxide capturing apparatus comprising: a reaction tower including a carbon dioxide adsorption unit or a carbon dioxide absorption unit which adsorbs or absorbs carbon dioxide from exhaust gas; desorption tower connected to the reaction tower and including an adsorbent heating unit for heating an adsorbent circulating inside or an absorbent heating unit for heating an absorbent circulating inside; an adsorbent or absorbent which circulates in the reaction tower and the desorption tower and alternately adsorbs and desorbs carbon dioxide or alternately absorbs and desorbs carbon dioxide; and a heat exchange unit which desorbs carbon dioxide from the adsorbent on which carbon dioxide is adsorbed or the absorbent in which carbon dioxide is absorbed, through heat exchange between the adsorbent on which carbon dioxide is adsorbed and the heated adsorbent, or between the absorbent in which carbon dioxide is absorbed and the heated absorbent, wherein the adsorbent on which carbon dioxide is adsorbed and the heated adsorbent, or the absorbent in which carbon dioxide is absorbed and the heated absorbent are transferred in a co-current flow manner. 1. A carbon dioxide capturing apparatus comprising:a reaction tower including a carbon dioxide adsorption unit or a carbon dioxide absorption unit which adsorbs or absorbs carbon dioxide from exhaust gas;a desorption tower connected to the reaction tower and including an adsorbent heating unit for heating an adsorbent circulating inside or an absorbent heating unit for heating an absorbent circulating inside;an adsorbent or absorbent which circulates in the reaction tower and the desorption tower and alternately adsorbs and desorbs carbon dioxide or alternately absorbs and desorbs carbon dioxide; anda heat exchange unit which desorbs carbon dioxide from the adsorbent on which carbon dioxide is adsorbed or the absorbent in which carbon dioxide is absorbed, through heat exchange between the adsorbent on which ...

Injection Lance Assembly

An injection lance assembly for creating a higher degree of turbulence and dispersion of a treating agent into a fluid stream. 2. The assembly of wherein the means for displacing comprises a cable actuator.3. The assembly of wherein the tube further comprises a tip region claim 1 , the tip region providing the means for displacing the at least two pairs of wings.4. The assembly of claim 1 , wherein the means for displacing comprises a punch rod.5. The assembly of claim 5 , wherein the wings pivot radially relative to the tube.6. The assembly of claim 1 , wherein the wings are attached to the tube.7. The assembly of claim 1 , further comprising a shroud defining a channel with the tube displaceable therethrough claim 1 , the least two pairs of wings being attached to the shroud.8. The assembly of claim 1 , wherein the tube comprises a plurality of tubes.9. The assembly of claim 1 , wherein the tube includes a plurality of apertures along the length of the tube.10. The assembly of claim 9 , wherein each of the plurality of apertures is at an axial location corresponding to the at least two pairs of wings.11. The assembly of claim 1 , further comprising a means for retracting the wing through the port.12. The assembly of claim 11 , wherein the means for retracting uses the same structure as the means for displacing. The present invention relates to a system and method for more efficient treatment of pollutants from a fluid stream in a dry sorbent injection process. Specifically, the present invention relates to an injection lance assembly for creating a higher degree of turbulence and dispersion of a treating agent into a fluid stream. The assembly preferably includes lance which is disposed through a port, shroud or opening of the ductwork into the fluid stream so as to disperse a sorbent material therethrough. The assembly further includes a blade or barrier which may be expanded or rotated to buffer or disturb a portion of the fluid flow. Specifically, the rotation ...

Cyclonic Injector And Method For Reagent Gasification And Decomposition In A Hot Gas Stream

A system for vaporizing and optionally decomposing a reagent, such as aqueous ammonia or urea, which is useful for NOx reduction, includes a cyclonic decomposition duct, wherein the duct at its inlet end is connected to an air inlet port and a reagent injection lance. The air inlet port is in a tangential orientation to the central axis of the duct. The system further includes a metering valve for controlling the reagent injection rate. A method for vaporizing and optionally decomposing a reagent includes providing a cyclonic decomposition duct which is connected to an air inlet port and an injection lance, introducing hot gas through the air inlet port in a tangential orientation to the central axis of the duct, injecting the reagent axially through the injection lance into the duct; and adjusting the reagent injection rate through a metering valve.

CAPTURE AND STORAGE OF ATMOSPHERIC CARBON

A method and system for sequestration of carbon dioxide from atmospheric air is disclosed. The method and system comprise the enabling of atmospheric air () to pass into an upper end of an elongate hollow tower (). An aqueous solution () is charged (e.g. via a distributor) so as to mix with the atmospheric air within and adjacent to the tower upper end in a manner such that the air is cooled by evaporative cooling. As a result, the mixture passes downwards as a stream () through the hollow tower. The aqueous solution comprises a reagent added thereto that reacts with the carbon dioxide to form a compound in the solution to thereby sequester the carbon dioxide from the atmospheric air. The method and system also comprise generating electricity () (e.g. in an apparatus such as a gas turbine) from the downwards stream that is passing through the hollow tower. 1. A method for sequestration of carbon dioxide from atmospheric air comprising:enabling atmospheric air to pass into an upper end of an elongate hollow tower;charging an aqueous solution so as to mix with atmospheric air within and adjacent to the tower upper end in a manner such that the air is cooled by evaporative cooling, whereby the mixture passes downwards as a stream through the hollow tower, the aqueous solution comprising ammonia that reacts with the carbon dioxide to form ammonium bicarbonate in the solution to thereby capture the carbon dioxide from the atmospheric air;generating electricity from the downwards stream that is passing through the hollow tower;separating the ammonium bicarbonate-containing aqueous solution from the downwards stream and reacting said solution with a metal silicate to form a metal carbonate and silica, and to release ammonia back into the solution for recovery and reuse in the elongate hollow tower.2. A method as claimed in claim 1 , wherein the solution comprising the compound is separated from the downwards stream such as at a lower end of the tower claim 1 , whereby an ...

System and method for reducing liquid discharge from one or more devices

The present invention relates generally to the field of emission control equipment for boilers, heaters, kilns, or other flue gas-, or combustion gas-, generating devices (e.g., those located at power plants, processing plants, etc.) and, in particular to a new and useful method and apparatus for reducing and/or eliminating various liquid discharges from one or more emission control equipment devices (e.g., one or more wet flue gas desulfurization (WFGD) units). In another embodiment, the method and apparatus of the present invention is designed to reduce and/or eliminate the amount of liquid waste that is discharged from a WFGD unit by subjecting the WFGD liquid waste to one or more drying processes, one or more spray dryer (or spray dry) absorber processes, and/or one or more spray dryer (or spray dry) evaporation processes.

METHOD OF SCAVENGING ACID SULFIDE SPECIES

A method of scavenging acid sulfide species from an industrial or environmental material, the method comprising contacting the material with: (a) propenal and/or maleimide and/or ethyl-2-chloroacetoacetate; and (b) a base. 1. A method of scavenging acid sulfide species from an industrial or environmental material , the method comprising contacting the material with:(a) propenal and/or maleimide and/or ethyl-2-chloroacetoacetate; and(b) a base.2. The method according to wherein component (a) comprises propenal and/or maleimide.3. The method according to wherein component (a) comprises propenal.4. The method according to wherein component (b) is selected from:(i) amino compounds;(ii) phosphorus containing bases; and(iii) inorganic bases.6. The method according to wherein component (b) comprises an amino compound selected from monoethanolamine triazine (MEA triazine) claim 1 , monomethylamine triazine (MMA triazine) claim 1 , methoxypropylamine triazine (MOPA triazine) claim 1 , methylene bis(5-methyloxazolidine) claim 1 , monoethanolamine claim 1 , triethylamine claim 1 , methoxypropylamine claim 1 , cyclohexylamine claim 1 , triethanolamine claim 1 , 3-phenylpropylamine claim 1 , diethanolamine claim 1 , 2-aminopropylamine claim 1 , tributylamine claim 1 , N-(2-hydroxyethyl)ethylenediamine claim 1 , N claim 1 ,N-bis(2-aminoethyl)-1 claim 1 ,2-ethanediamine claim 1 , 1-(2-aminoethyl)piperazine claim 1 , 4-(2-aminoethyl)phenol claim 1 , 2-amino-2-(hydroxymethyl)propane-1 claim 1 ,3-diol claim 1 , 4-(2-aminoethyl)morpholine claim 1 , 2-(2-aminoethoxy)ethanol claim 1 , dimethylaminopropylamine claim 1 , ethylene diamine and 1 claim 1 ,8-diazabicyclo(5.4.0)undec-7-ene (DBU).7. The method according to wherein component (a) is selected from MEA triazine claim 1 , MMA triazine claim 1 , MOPA triazine claim 1 , monoethanolamine claim 1 , methoxypropylamine claim 1 , triethylamine claim 1 , 2-aminoethoxyethanol claim 1 , methylene bis(5-methyloxazolidine) and N-(2-hydroxyethyl ...

Air treatment process for dilute phase injection of dry alkaline materials

The present disclosure is directed to the introduction of an additive to a contaminated gas stream. An additive introduction system uses a compressor and carbon dioxide separator to provide a treated carrier gas for introduction of an alkaline additive to a contaminated gas stream.

Exhaust stack Carbon Dioxide emissions conversion into Bulk Industrial Chemicals from the combustion of Fossil Fuels/Hydrocarbons or other Chemical/Biochemical processes

This patent relates to the conversion of the Carbon Dioxide (CO2) in exhaust stack emissions from the combustion of fossil fuels or other CO2 emitting processes into Bulk Chemicals used in multiple industries. The Process Block is comprised of: 1{'figref': {'@idref': 'DRAWINGS', 'FIG. 1'}, '1. Capturing the CO2 from exhaust stacks in an aqueous liquid and processing it elsewhere into dry bulk chemicals for sale to existing Industrial and commercial customers (See following).'}{'figref': {'@idref': 'DRAWINGS', 'FIG. 2'}, '2. Capturing the CO2 from exhaust stacks in an aqueous liquid and processing it on site into dry bulk chemicals for sale to existing Industrial and commercial customers (See following).'}. An add on process block for: This Process Block approach to capturing Carbon Dioxide from Exhaust Stacks converts it into Dry Industrial Bulk Chemicals (Sodium Bicarbonate and Sodium Carbonate) on the site of the Emitting Exhaust Stack or at a Central Processing Facility located elsewhere.The present process invention relates to an adaption of the original “Solvay Process” developed by Ernest J. Solvay in the late 1800's. This process made these two chemicals in bulk on an industrial scale. This process has been somewhat replaced by the mining of “Trona”, a naturally occurring related Salt of these Chemicals, which still must be dissolved, reconstituted, and dried. This present process invention Helps Solve an Excess World Wide Green House Gas (CO2) Emission Problem which is Significantly Contributing to Global Warming.The Industrial and Commercial Demand for these two Chemicals continues to increase. In addition, there are Carbon Credits and Offsets which can be Generated, while not crippling the world economy, as we solve this aspect of the Green House Gas Emission Problem.This process is well established from the past two centuries and does not require significant process development to perfect for each set of industrial applications:It is an object of the ...

System and method for reducing liquid discharge from one or more devices

The present invention relates generally to the field of emission control equipment for boilers, heaters, kilns, or other flue gas-, or combustion gas-, generating devices (e.g., those located at power plants, processing plants, etc.) and, in particular to a new and useful method and apparatus for reducing and/or eliminating various liquid discharges from one or more emission control equipment devices (e.g., one or more wet flue gas desulfurization (WFGD) units). In another embodiment, the method and apparatus of the present invention is designed to reduce and/or eliminate the amount of liquid waste that is discharged from a WFGD unit by subjecting the WFGD liquid waste to one or more drying processes, one or more spray dryer (or spray dry) absorber processes, and/or one or more spray dryer (or spray dry) evaporation processes.

Method for Binding Hazardous Agricultural Ammonia Using Organic Carbon Dioxide

A method for binding hazardous agricultural ammonia using organic carbon dioxide reduces ammonia emissions from farming operations producing livestock, such as cows, pigs, and poultry. The method entraps a quantity of agricultural ammonia within an ammonia solution by reacting the quantity of agricultural ammonia with a quantity of organic carbon dioxide within a primary reaction vessel. The quantity of agricultural ammonia is mixed with a quantity of organic carbon dioxide to form an ammonia-bound solution. The ammonia-bound solution is able to be stored or transported for use in future chemical processes.

METHODS AND APPARATUS FOR TREATING EXHAUST GAS IN A PROCESSING SYSTEM

Methods and apparatus for treating an exhaust gas in a foreline of a substrate processing system are provided herein. In some embodiments, an apparatus for treating an exhaust gas in a foreline of a substrate processing system includes a plasma source coupled to a foreline of a process chamber, a reagent source coupled to the foreline upstream of the plasma source, and a foreline gas injection kit coupled to the foreline to controllably deliver a gas to the foreline, wherein the foreline injection kit includes a pressure regulator to set a foreline gas delivery pressure setpoint, and a first pressure gauge coupled to monitor a delivery pressure of the gas upstream of the foreline. 1. An apparatus for treating an exhaust gas in an exhaust conduit of a substrate processing system , comprising:a plasma source coupled to an exhaust conduit of a process chamber;a reagent source coupled to the exhaust conduit upstream of the plasma source;a gas injection kit coupled to the exhaust conduit to controllably deliver a gas to the exhaust conduit, wherein the injection kit includes a pressure regulator to set a gas delivery pressure setpoint, a flow control device to provide a known flow of the gas at the pressure setpoint of the pressure regulator, and a first pressure gauge to monitor a delivery pressure of the gas; anda controller coupled to a signal from the first pressure gauge to provide a feedback loop to control the pressure of the gas delivered by the gas injection kit.2. The apparatus of claim 1 , wherein the first pressure gauge is disposed between the pressure regulator and the flow control device to monitor the delivery pressure of the gas upstream of the flow control device.3. The apparatus of claim 1 , wherein the gas injection kit further comprises:a control valve to selectively turn on and off the flow of the gas to the exhaust conduit.4. The apparatus of claim 1 , wherein the gas is argon.5. The apparatus of claim 1 , wherein the gas is nitrogen (N).6. The ...

Humidity Control Slurries, Apparatuses, and Methods of Making Same

Slurries and methods of making slurries for modifying and extending relative humidity control ranges. The slurries may include a saturated aqueous salt and one or more other reagents selected to provide a controlled modifiable narrow range of relative humidity. The saturated aqueous salt may be one or more of sodium chloride, potassium chloride, potassium citrate, sodium formate, and/or magnesium chloride, and the one or more other reagents may be one or more of a lactate salt, glycerol, and/or an acetate salt, for example. 1. A slurry for modifying and extending relative humidity control ranges , the slurry comprising:a saturated aqueous salt; andone or more other reagents;wherein the slurry provides a controlled modifiable narrow range of relative humidity.2. The slurry of claim 1 , wherein the aqueous salt and the select other reagents are food grade per Foods Chemicals Codex (FCC).3. The slurry of claim 1 , wherein the slurry is substantially odorless.4. The slurry of claim 1 , wherein large crystals do not form in the slurry during normal use of the slurry.5. The slurry of claim 1 , wherein the saturated aqueous salt is sodium chloride claim 1 , potassium chloride claim 1 , potassium citrate claim 1 , sodium formate claim 1 , or magnesium chloride.6. The slurry of claim 1 , wherein the one or more reagents comprises a lactate salt. The slurry of claim 1 , wherein the one or more reagents comprises glycerol.8. The slurry of claim 1 , wherein the one or more reagents comprises an acetate salt.9. The slurry in wherein the one or more reagents comprises a food-grade optically and/or UV active additive.10. The slurry of claim 1 , where in the select reagent wherein the one or more reagents comprises glycerol claim 1 , the slurry further comprising a thickening agent.11. The slurry of wherein select reagents may be added as combinations.12. The slurry of claim 1 , wherein an amount of excess water present ranges from 0% of the slurry concentration level of the other ...

Methods and systems for improving the energy efficiency of carbon dioxide capture

A system for carbon dioxide capture from a gas mixture comprises an absorber that receives a lean solvent system stream (containing a chemical solvent, physical-solvent additive, and water) from the stripper, a stripper that receives the rich solvent stream from the absorber and produces the product carbon dioxide and the lean solvent through the use of a reboiler in fluid communication with a lower portion of the stripper, a condenser in fluid communication with a vapor outlet of the stripper, a cross-exchanger in fluid communication with a rich solvent system outlet from the absorber and a rich solvent system inlet on the stripper, and a splitter. The splitter is configured to separate the rich solvent system stream into a first portion and a second portion, where the first portion directly passes to the stripper and the second portion passes through the cross-exchanger prior to passing to the stripper.

SYSTEMS, LANCES, NOZZLES, AND METHODS FOR POWDER INJECTION RESULTING IN REDUCED AGGLOMERATION

A lance for powder injection resulting in reduced agglomeration, including an outer tubular member having a first end, a second end, and an inner flowpath extending from the first end to the second end; an inner tubular member having a first end, a second end, and a, inner flowpath extending from the first end to the second end, the inner tubular member disposed within the inner flowpath of the outer tubular member for providing an annular space between the outer tubular member and the inner tubular member; and one or more orifices in the inner tubular member for providing a flowpath between the annular space and the inner flowpath of the inner tubular member. Additional lances, systems, and methods are also included. 1. A nozzle for powder injection resulting in reduced agglomeration and increased distribution , comprising:a tubular member having a sealed first end, a second end, and an inner flowpath extending from the sealed first end to the second end, the tubular member having one or more orifices disposed therethrough; andone or more flow agitation baffles disposed a distance about the outer surface of tubular member substantially proximal to the one or more orifices.2. The nozzle for powder injection as recited in claim 1 , further comprising: one or more supports for supporting the one or more flow agitation baffles the distance about the outer surface of the tubular member.3. The nozzle for powder injection as recited in claim 1 , wherein each of the one or more flow agitation baffles creates a turbulent flow profile to at least two of the one or more orifices.4. The nozzle for powder injection as recited in claim 1 , wherein the at least one or more flow agitation baffles are disposed linearly along the longitudinal axis of the outer surface of the tubular member.5. The nozzle for powder injection as recited in claim 1 , wherein the at least one or more flow agitation baffles are disposed in different positions about the radius of the outer surface of the ...

A Conditioning Apparatus for Providing a Carrier Gas

A conditioning apparatus () for providing a carrier gas (), the apparatus including: an inlet () for a pressurized inlet gas (); a cleaning unit () to provide clean pressurized gas (), the cleaning unit () including one or more filters to remove solid and/or liquid contamination particles from the pressurized gas () and a drying station to remove moisture from the pressurized gas (); an ionization chamber () which ionizes the clean pressurized gas; and an outlet for clean, pressurized, ionized gas; wherein the gas ionized in the ionization chamber () has a chemical composition which is substantially the same chemical composition as the inlet gas. 1. A conditioning apparatus for providing a carrier gas , the apparatus including:A gas inlet for a flow of inlet gas;a cleaning unit to provide a clean flow of gas, the cleaning unit including one or more filters to remove solid and/or liquid contamination particles from the gas flow and a drying station to remove moisture from the gas flow;an ionization chamber which ionizes the clean gas flow to generate the carrier gas; andan outlet port for the clean, ionized carrier gas;wherein the gas ionized in the ionization chamber has a chemical composition which is substantially the same as the chemical composition of the inlet gas.2. A conditioning apparatus according to claim 1 , wherein the drying station includes a heat exchanger configured to cool the gas flow to a temperature below its dew point.3. A conditioning apparatus according to claim 1 , wherein the apparatus further includes a treatment station located downstream of the ionization chamber claim 1 , wherein the treatment station removes undesired products from the ionized gas.4. A conditioning apparatus according to claim 1 , wherein the apparatus further includes a compressor located upstream of the cleaning unit.5. A spray apparatus including a conditioning apparatus according to claim 1 , and a spray apparatus connected to the outlet of the conditioning ...

Method for removal of harmful sulphurous compounds from gas mixtures

Waste gas mixtures produced and used in industry may contain harmful sulphurous compounds. The present disclosure provides a method for treatment of gas mixtures contaminated with harmful sulphurous compounds by using microorganisms capable of degrading said harmful sulphurous compounds which involves controlling nitrate levels in the medium in which microbiological conversion of harmful sulphurous compounds takes place at high levels.

Extended or Multiple Reaction Zones in Scrubbing Apparatus

Some industrial or fabrication processes generate effluent gas streams that require scrubbing. Scrubbing may include the use of one or more gases to abate the effluents for safer release into the environment. Systems and methods described herein provide a liquid-enclosed reaction chamber where an extended reaction zone or more than one reaction zone is formed. By having an extended reaction zone or more than one reaction zone, the effluent gas stream and the products of upstream reaction zones can be more completely abated. The reaction zones are formed by adding one or more gas ports into the reaction chamber downstream of a main burner nozzle.

REACTOR FOR CLEANING FLUE GAS BY A DRY OR QUASI-DRY SORPTION PROCESS

The invention relates to a reactor for cleaning flue gases by a dry or quasi-dry sorption process, comprising a flue gas inlet () at the bottom of the reactor, an outlet () at the top of the reactor, a dry sorbent injection system () with at least one dry sorbent outlet () for injecting dry sorbent into the reactor, the at least one dry sorbent outlet () being arranged between the flue gas inlet () and the outlet (). 1. Reactor for cleaning flue gases by injecting dry or quasi-dry sorbent into a flue gas stream , comprisinga flue gas inlet at the bottom of the reactor,an outlet at the top of the reactor,a dry sorbent injection system with at least one dry sorbent outlet for injecting dry sorbent into the reactor, the at least one dry sorbent outlet being arranged between the flue gas inlet and the outlet, characterized in thata plurality of water injection nozzles are arranged beneath the at least one dry sorbent outlet, and in thatthe dry sorbent injection system has a plurality of dry sorbent outlets such that dry sorbent is injected at multiple locations, wherein the dry sorbent outlet has a lower discharge edge at which the flue gas stream flows along the dry sorbent outlet and at which the dry sorbent is injected into the reaction chamber, wherein the lower discharge edge extends back and forth, so that a length of the lower discharge edge projected in a vertical direction is greater than the width of the dry sorbent outlet.2. Reactor according to claim 1 , the water injection nozzles being arranged in one plane.3. Reactor according to claim 1 , the water injection nozzles being directed upwards towards the at least one dry sorbent outlet.4. Reactor according to claim 1 , the plurality of dry sorbent outlets being directed outwards towards the wall of the reactor.5. Reactor according to claim 1 , the dry sorbent injection system having a central supply line for all dry sorbent outlets claim 1 , the central supply line leading into the reactor.6. Reactor ...

Exhaust After-Treatment System With Improved DEF Purge Cycling In Agricultural Vehicles

An exhaust after-treatment system has a DEF system with improved DEF purge cycling during which time DEF is returned to a DEF storage tank. The DEF system adapts its methodology based on a condition within the DEF system. A purge valve may be arranged in a doser feed line between a DEF supply module and a DEF doser module. A purging control system may be configured to control the purge valve based on detected states within the DEF system, such as a detected state that corresponds to a plugged DEF doser module. If a plugged doser module is detected, the purge valve may be opened to vent the doser module feed line to atmosphere which allows the DEF to be returned to the DEF storage tank without creating a siphon effect that could draw additional DEF from the DEF storage tank into the supply module.

SYSTEM FOR SIMULTANEOUSLY REMOVING NITROGEN OXIDES (NOx) AND SULFUR OXIDES (SOx) FROM EXHAUST GAS

A system for oxidizing nitrogen monoxide (NO) contained in exhaust gas injects a liquid oxidizing agent into the exhaust gas and simultaneously removes nitrogen oxides and sulfur oxides from exhaust gas using an organic catalyst. The system includes an absorption tank for storing an absorption solution containing an organic catalyst, the absorption tank communicating with an oxygen supply pipe for supplying oxygen-containing gas to the absorption tank; an absorption tower, extending upward from the absorption tank, through which the exhaust gas flows from an exhaust gas inlet duct to an exhaust gas outlet; a first injection unit to inject the absorption solution into the absorption tower; a second injection unit to inject an oxidizing agent solution into at least one of the inlet duct and the absorption tower; and an oxidizing agent supply unit for supplying the oxidizing agent solution to the second injection unit. 1. A system for simultaneously removing nitrogen oxides and sulfur oxides from exhaust gas , the system comprising:an absorption tank for storing an absorption solution containing an organic catalyst, the absorption tank communicating with an oxygen supply pipe for supplying oxygen-containing gas to the absorption tank;an absorption tower, extending upward from the absorption tank, through which the exhaust gas flows from an exhaust gas inlet duct to an exhaust gas outlet;a first injection unit to inject the absorption solution into the absorption tower;a second injection unit to inject an oxidizing agent solution into at least one of the inlet duct and the absorption tower; andan oxidizing agent supply unit for supplying the oxidizing agent solution to the second injection unit.2. The system according to claim 1 , wherein the organic catalyst includes an oil-derived organic sulfoxide.3. The system according to claim 1 , wherein the oxidizing agent in the oxidizing agent solution includes at least one of HO claim 1 , NaClO claim 1 , KMnO claim 1 , and PO ...

METHOD FOR CONTROLLING WET FLUE GAS DESULFURIZATION DEVICE, DEVICE FOR CONTROLLING WET FLUE GAS DESULFURIZATION DEVICE, AND REMOTE MONITORING SYSTEM COMPRISING DEVICE FOR CONTROLLING WET FLUE GAS DESULFURIZATION DEVICE

A method for controlling a wet flue gas desulfurization device includes a step of constructing a first learning model by machine learning of a relationship between a future sulfur dioxide concentration at an outlet of the absorption tower, and operation data of the combustion device and operation data of the wet flue gas desulfurization device including a circulation flow rate of the absorption liquid, a step of creating, by using the first learning model, a first relationship table between a circulation flow rate of the absorption liquid at first time and a sulfur dioxide concentration in an effluent gas flowing out of the absorption tower at second time which is time in the future relative to the first time, a step of deciding, based on the first relationship table, the circulation flow rate of the absorption liquid at the first time, at which the sulfur dioxide concentration in the effluent gas at the second time is not more than a preset set value, and a step of adjusting an operation condition of the at least one circulation pump based on the decided circulation flow rate, at the first time. 1. A method for controlling a wet flue gas desulfurization device including:an absorption tower; andat least one circulation pump for circulating an absorption liquid in the absorption tower, andperforming desulfurization by bringing the absorption liquid into gas-liquid contact with an exhaust gas generated in a combustion device, in the absorption tower, the method comprising:a step of constructing a first learning model by machine learning of a relationship between a future sulfur dioxide concentration at an outlet of the absorption tower, and operation data of the combustion device and operation data of the wet flue gas desulfurization device including a circulation flow rate of the absorption liquid;a step of creating, by using the first learning model, a first relationship table between a circulation flow rate of the absorption liquid at first time and a sulfur ...

SORBENT INJECTION SYSTEM AND METHOD FOR TREATING FLUE GASES

The present application provides a method of treating flue gas in a duct with an injection system, the flue gas comprising an acid gas and/or one or more metal components, the injection system comprising at least one injection nozzle in communication with an air supply and a supply of sorbent; wherein the method comprises supplying air and sorbent through the nozzle to the duct such that the penetration of the sorbent into the duct is represented by the formula: Y=(Da(pV/pV)(x/D))/Dwhere ‘Y’ is the fraction of duct penetration depth of the sorbent when the duct length is ‘x’, ‘D’ is the diameter of the nozzle, Dis the depth of the duct, ‘p’ and ‘p’ are the densities of the air supply and flue gas, respectively V′ and ‘V’ are the velocities of the air exiting the nozzle and the flue gas, respectively, and where ‘a’ is between 0.3 and 1.0 and where Y is between 0.3 and 0.8. 2. The method according to claim 1 , wherein the air supply has a mass flow of less than 6% claim 1 , e.g. less than 3% claim 1 , of the total flue gas mass flow.3. (canceled)4. The method of comprisingadjusting at least one of the velocity and/or pressure of the air exiting the nozzle to control the penetration of sorbent in compliance with the Formula 1, wherein the adjustment is performed through control of a computer processing unit (CPU).5. The method of wherein at least one of the injection nozzle and the air supply comprises a damper to adjust the pressure and/or velocity of the air supplied to the duct through the nozzle.6. (canceled)7. (canceled)8. The method of claim 1 , wherein the air supply flow to the at least one nozzle is less than 42.48 m/min (1500 ACFM).9. The method of claim 1 , wherein the velocity of the air and sorbent through the nozzle is less than 150 m/s.10. (canceled)12. (canceled)13. (canceled)14. (canceled)15. (canceled)16. The method of wherein the sorbent is supplied to the nozzle by source of transport air.17. The method of claim 1 , further comprising injecting ...

PROCESS FOR REMOVING POLLUTANTS FROM A FLUE GAS

A process for removing impurities from a flue gas, comprising treating the flue gas with a liquid absorbent comprising (i) a precursor of chlorine dioxide and (ii) an organic ionic liquid, and releasing a purified flue gas into the atmosphere. The process is useful for removing Hg, SOand NOx. 1. A process for removing pollutants from a flue gas , comprisingtreating the flue gas with a liquid absorbent comprising (i) a precursor of chlorine dioxide and (ii) an organic ionic liquid, andreleasing a purified flue gas into the atmosphere.2. A process according to claim 1 , wherein the precursor of chlorine dioxide is an aqueous solution of chlorite (ClO).3. A process according to claim 2 , wherein the absorbent is free from an acid other than an indigenously formed acid.4. A process according to claim 2 , wherein the aqueous chlorite and the ionic liquid are essentially immiscible with one another.5. A process according to claim 4 , comprising passing said flue gas through a treatment zone claim 4 , contacting said flue gas with a circulated liquid absorbent comprising the aqueous chlorite solution and the organic ionic liquid and releasing a purified flue gas into the atmosphere claim 4 , wherein the circulation of the liquid absorbent comprises discharging the absorbent from the treatment zone after it has been in contact with the flue gas claim 4 , separating the discharged absorbent into aqueous and organic streams claim 4 , driving said streams through a first and second circulation lines claim 4 , respectively claim 4 , combining the separate aqueous and organic streams and introducing the combined streams back into the treatment zone.6. A process according to claim 1 , wherein the pollutant is selected from the group consisting of Hg claim 1 , SO claim 1 , NOand mixtures thereof.7. A process according to claim 6 , which further comprises recovering sulfate and/or nitrate from the aqueous stream flowing through the first circulation line or directing said aqueous ...

Sorbents for the oxidation and removal of mercury

A promoted carbon and/or non-carbon base sorbent are described that are highly effective for the removal of mercury from flue gas streams. The promoted sorbent comprises a carbon and/or non-carbon base sorbent that has reacted with and contains forms of halogen and halides. Optional components may be added to increase and/or preserve reactivity and mercury capacity. These may be added directly with the base sorbent, or in-flight within a gas stream (air, flue gas, etc.), to enhance base sorbent performance and/or mercury capture. Mercury removal efficiencies obtained exceed conventional methods. The promoted sorbent can be regenerated and reused. Base sorbent treatment and preparation methods are also described. New methods for in-flight preparation, introduction, and control of the active base sorbent into the mercury contaminated gas stream are described.

METHOD FOR SIMULTANEOUSLY REMOVING HIGH-LOAD SULFUR DIOXIDE AND NITROGEN OXIDE IN WASTE GAS

A method for simultaneously removing high-load sulfur dioxide and nitrogen oxide in waste gas, relating to the technical field of industrial waste gas purification by biological methods. According to the method, the waste gas is led into a simultaneous desulfurization and denitrification packing tower and removed, microbial floras for simultaneously removing the sulfur dioxide and the nitrogen oxide are loaded on fillers of the packing tower, and the molar concentration ratio of the sulfur dioxide to the nitrogen oxide in the waste gas is (0.76˜1.06):1.

Method and Apparatus for Removing H2S Scavengers From a Fluid Stream

A method, scrubbing solution and apparatus for removing a HS scavenger, for example dithiazine, from a gas stream uses an acidic solution to convert the HS scavenger to a salt. The acidic solution may be a phosphoric acid solution. 1. A method of removing an HS scavenger from a gas stream comprising:passing the gas stream through an acidic solution.2. The method of wherein passing converts the HS scavenger to a salt.3. The method of wherein passing occurs downstream of where the fluid stream is passed through a scavenging apparatus containing triazine.4. The method of wherein the method is for mitigating deposition of the scavenger in a pipeline.5. The method of wherein the method is for analysis of the gas stream and further comprising obtaining a sample of the acidic solution and analysing the sample for an amount of dithiazine in the solution to determine the amount of dithiazine in the gas stream.6. The method of wherein obtaining a sample occurs while the step of passing continues.7. The method of wherein the HS scavenger is dithiazine.8. The method of wherein the acidic solution includes an acid with a vapor pressure less than hydrochloric acid.9. The method of wherein the acidic solution is a phosphoric acid solution buffered to pH 2-4.10. An apparatus for removing an HS scavenger from a gas stream comprising:a chamber containing an acidic solution;an inlet port for introducing the gas stream to the chamber to pass through the acidic solution and to produce a treated gas stream; andan outlet port for outlet of the treated gas stream from the chamber.11. The apparatus of wherein the apparatus is configured as an analytical instrument and further comprises a sampling port accessing the chamber.12. The apparatus of further comprising an autosampler operating through the sampling port.13. The apparatus of further comprising an HS scrubber connected upstream of the inlet port.14. The apparatus of wherein the acidic solution includes an acid with a vapor pressure ...

Method and Device Intended to Purify Sulphur Oxide Containing Exhaust Gas from Internal Combustion Engines by Means of a Multi-stage Adsorption Method

A method and a device intended to purify pollutants from an exhaust gas flow of an internal combustion engine operated with sulphur containing fuel, in particular of a ship internal combustion engine operated with heavy fuel oil, are provided. Exhaust gas flow is in contact with a solid adsorption agent of the adsorber in a first step and binding in particular acid pollutants, which comprise sulphur dioxide and sulphur trioxide. The exhaust gas flow is then guided by a second stage of the adsorber realising fine purification of the exhaust gas flow. The adsorption agent of the second stage is used in the first stage as an adsorption agent. 11913151513. A purification method of pollutants from an exhaust gas flow of an internal combustion engine operated with sulphur containing fuel , in particular a ship internal combustion engine operated with heavy fuel oil , characterised in that said exhaust gas flow being in contact with a solid adsorption agent () of the adsorber in a first stage () , binding in particular acid pollutants , which comprise sulphur dioxide and sulphur trioxide , and where the exhaust gas flow is then guided by a second stage () of the adsorber realising fine purification of the exhaust gas flow and where the adsorption agent of the second stage () is used in the first stage () as adsorption agent.219. The method according claim 1 , wherein said adsorption agent () used is composed of granules containing calcium hydroxide and/or calcium carbonate claim 1 , sodium carbonate and/or sodium hydrogen carbonate and/or magnesium oxide and/or magnesium hydroxide.319. The method according to claim 1 , wherein said solid absorbing agent () is available in the shape of granulated bulk material claim 1 , having in particular a grain size between 1 mmm and 20 mm and preferably between 2 mm and 8 mm.419. The method according to claim 1 , wherein the solid adsorber () contains a carbon containing addition agent claim 1 , in particular active charcoal and/or ...

Device for Purifying the Exhaust Gas of an Internal Combustion Engine

This exhaust gas purification device ( 2, 102 ), comprising an upstream pipe ( 4 ), in which a first exhaust gas purification member ( 6 ) is housed, a downstream pipe ( 8 ) in which a second exhaust gas purification member ( 10 ) is housed, a mixing chamber ( 12 ) and an injection device ( 20 ) for a nitrogen oxide reducing product; is characterized in that the mixing chamber includes a first deflector member capable of channeling the flow of exhaust gas such that it flows through the jet of nitrogen oxide reducing product substantially perpendicular to the second deflector member ( 36, 56 ), the second deflector member being configured to form two swirling flows of a mixture of exhaust gas and nitrogen oxide reducing product; and in that the device further includes an element ( 54, 58 ) for protecting the second member ( 10 ) for purifying exhaust gas.

Methods for treating exhaust gas in a processing system

Methods and apparatus for treating an exhaust gas in a foreline of a substrate processing system are provided herein. In some embodiments, a method for treating an exhaust gas in an exhaust conduit of a substrate processing system includes: flowing an exhaust gas from a process chamber into a plasma source via a foreline; injecting a reagent into the foreline; forming a plasma in the plasma source from the exhaust gas and the reagent; and injecting a cleaning gas into the foreline, wherein the cleaning gas and the reagent are different gases.

FLUID FOR PURIFYING HEAT ENGINES USING STABLE SUSPENSIONS OF METAL COLLOIDAL PARTICLES, AND METHODS FOR PREPARING SAID FLUID

The present invention describes a fluid which is suitable for the decontamination of heat engines which can carry out both the catalytic reduction of oxides of nitrogen (NOx) contained in exhaust gases and assist in the regeneration of the particulate filter (PF), said fluid being in the form of a stable suspension of colloidal particles, these colloidal particles being dispersed in an aqueous solution containing at least one reducing agent or at least one precursor of a reducing agent for NOx. The invention also describes several embodiments for the preparation of said fluid. 1. A fluid for the decontamination of heat engines , in particular diesel engines , in order to be able to carry out the selective catalytic reduction of oxides of nitrogen contained in exhaust gases as well as assisting in the regeneration of the particulate filter by catalytic combustion of particles of soot deposited in the particulate filter (the function termed assistance in the regeneration of PF) , said fluid being in the form of a stable suspension comprising colloidal particles of one or more particles of metal oxides or oxyhydroxides or metal carbonates dispersed in an aqueous solution containing at least one reducing agent or at least one precursor of a reducing agent for the NOx , the metals of the metal oxides or oxyhydroxides or carbonates being selected from the following list of metals: Fe , Cu , Ni , Co , Zn , Mn , Ti , V , Sr , Pt , Ce , Ca , Li , Na , Nb , and preferably from the following sub-list: Fe , Cu , Ce , Sr.2. The fluid for the decontamination of heat engines claim 1 , in particular diesel engines claim 1 , as claimed in claim 1 , in which the oxides of iron are selected from the following list claim 1 , used alone or as a mixture: wustite FeO claim 1 , haematite α-FeO claim 1 , maghemite γ-FeOand magnetite.3. The fluid for the decontamination of heat engines claim 1 , in particular diesel engines claim 1 , as claimed in claim 1 , in which the iron oxyhydroxides ...

PROCESS AND DEVICE FOR TREATING FURNACE GAS

A process and a device for treating a flow of furnace gas with a pressure of more than 1 bar flowing through a channel. A powder agent, such as a powder comprising alkali reagents, such as lime, and/or absorbents, such as activated coal, is injected under an overpressure into the furnace gas flow via an injector which is positioned centrally within the channel The powder agent may be fluidized. The pressure for injecting the powder may be adjusted by controlling the volume of fluidization gas vented via a venting outlet. 1. A process for treating a flow of furnace gas with a pressure of more than 1 bar flowing through a channel , wherein a powder agent is injected under an overpressure into the furnace gas flow , wherein the powder agent is added to the furnace gas flow via an injector which is positioned centrally within the channel2. The process of wherein the powder agent is fluidized before it is injected.3. The process of claim 2 , wherein the pressure for injecting the powder agent is adjusted by controlling the volume of fluidization gas vented via a venting outlet.4. The process of claim 1 , wherein the powder agent is radially injected into the blast furnace gas flow.5. The process of claim 1 , wherein the powder agent comprises one or more absorbents.6. The process of claim 1 , wherein the furnace gas flow is subsequently filtered.7. A device for treating a flow of furnace gas claim 1 , the device comprising a flow channel and an injector centrally arranged within the flow channel and provided with radially directed outlets claim 1 , the injector comprising a chamber configured to contain a fluidized bed of a powder agent with a supply for a fluidizing gas configured to blow the powder agent via the radial outlets into the furnace gas flow with an overpressure of at least 10 mbar relative to the pressure in the furnace gas flow.8. The device of claim 7 , further comprising a vent connecting the chamber to a fluidizing gas discharge outside the channel.9. ...

EXHAUST GAS PROCESSING DEVICE

Provided is a novel exhaust gas processing device which allows processing target exhaust gas having a large flow volume to be handled with a small-capacity plasma generator, by preheating a high-temperature decomposable gas component of the processing target exhaust gas. An exhaust gas processing device preheats processing target exhaust gas F in the presence of moisture with heat from at least either an electric heater or a heat exchanger and subsequently thermally decomposes the exhaust gas with an atmospheric pressure plasma P. A device main body has a heating decomposition chamber T therein. A plasma generator is of a non-transferred type and is installed at a top surface portion of the device main body . A reactor has a cylindrical shape and is installed within the device main body such that an upper end opening thereof is directed toward a plasma emission port of the plasma generator . A moisture supply unit is provided at an inlet side of the device main body . At least either the electric heater or the heat exchanger is disposed in a first space T 1. An exhaust gas processing device for preheating externally-supplied processing target exhaust gas within a device main body in the presence of moisture with heat from at least either an electric heater or a heat exchanger , and subsequently thermally decomposing the preheated exhaust gas with an atmospheric pressure plasma , the exhaust gas processing device comprising:the device main body having a heating decomposition chamber therein;a non-transferred type plasma generator installed at a top surface portion of the device main body;a tubular reactor installed within the device main body such that an upper end opening thereof is directed toward a plasma emission port of the plasma generator, the reactor having therein a second space in which a high-temperature decomposable gas component of the processing target exhaust gas is thermally decomposed with an atmospheric pressure plasma from the plasma generator;a ...

Systems and Methods for Managing Hydrocarbon Emissions

A system for reducing the release of hydrocarbons emitted from a hydrocarbon source into the atmosphere includes a hydrocarbon supply conduit configured to receive the emitted hydrocarbons. In addition, the system includes an air supply conduit coupled to an air source. Further, the system includes a combustion device coupled to an outlet end of the hydrocarbon supply conduit and an outlet end of the air supply conduit. The combustion device is configured to receive the hydrocarbons from the hydrocarbon supply conduit and the air from the air supply conduit, and combust the hydrocarbons. Still further, the system includes a catalytic converter spaced apart from the combustion device and a transfer conduit extending from an outlet of the combustion device to an inlet of a catalytic converter. The catalytic converter is configured to receive the combustion products and any un-combusted hydrocarbons from the transfer conduit, and oxidize the un-combusted hydrocarbons. 1. A system for reducing the release of hydrocarbons intermittently or continuously emitted from a hydrocarbon source into the atmosphere , the system comprising:a hydrocarbon supply conduit having an inlet end and an outlet end, wherein the inlet end is configured to receive the emitted hydrocarbons from the hydrocarbon source;an air supply conduit having an inlet end configured to be coupled to an air source and an outlet end;a combustion device coupled to the outlet end of the hydrocarbon supply conduit and the outlet end of the air supply conduit, wherein the combustion device is configured to receive the hydrocarbons from the hydrocarbon supply conduit and the air from the air supply conduit, and wherein the combustion device is configured to ignite and combust the hydrocarbons;a catalytic converter spaced apart from the combustion device;a transfer conduit extending from an outlet of the combustion device to an inlet of a catalytic converter;wherein the catalytic converter is configured to receive ...

Injection lance asembly

An injection lance assembly for creating a higher degree of turbulence and dispersion of a treating agent into a fluid stream.

FLUID FOR CARRYING OUT POLLUTION CONTROL IN HEAT ENGINES, AND METHODS FOR PREPARING SAID FLUIDS BY PRODUCING A HOMOGENEOUS SOLUTION

The present invention describes a fluid which is suitable for the decontamination of heat engines which can carry out both, at the same time, the catalytic reduction of oxides of nitrogen (NOx) contained in exhaust gases and assist in the regeneration of the particulate filter (PF). The invention also describes several embodiments of said fluid. 1. A fluid for the decontamination of heat engines , in particular diesel engines , in order to be able to carry out both , at the same time , the selective catalytic reduction of oxides of nitrogen contained in exhaust gases as well as assisting in the regeneration of the particulate filter by catalytic combustion of particles of soot deposited in the particulate filter , the fluid being constituted by a homogeneous solution of at least one complexed , liganded or chelated metal ion , in an aqueous solution of at least one reducing compound or precursor of a reducing agent , the metal ion or ions being selected from the following list of metals: Fe , Cu , Ni , Co , Zn , Mn , Ti , V , Sr , Pt , Ce , Ca , Li , Na , Nb , and preferably from the following list: Fe , Cu , Ce , Sr.2. The fluid for the decontamination of diesel heat engines as claimed in claim 1 , in which the reducing compound or precursor of a reducing agent is selected from urea claim 1 , ammonia claim 1 , formamide claim 1 , and ammonium salts claim 1 , in particular ammonium formate claim 1 , ammonium carbamate claim 1 , and guanidine salts claim 1 , in particular guanidinium formate.3. The fluid for the decontamination of heat engines claim 1 , in particular diesel engines claim 1 , as claimed in claim 1 , in which the concentration of metal ion claim 1 , in the ionic or complexed claim 1 , chelated or liganded form claim 1 , in the solution of the reducing compound or precursor of a reducing agent is in the range 10 to 10000 ppm claim 1 , preferably in the range 10 to 5000 ppm claim 1 , and more preferably in the range 10 to 2000 ppm.4. The fluid for the ...

Device and Method for Treating Flue Gases

Device () for injecting powders into a furnace pipe (), comprising a chamber () connected to a peripheral pipe () and, on the other hand, to the said furnace pipe via the said peripheral pipe (), which comprises a first part () of diameter DP, and a second part () of diameter DP, having a downstream end () and intended to be in communication with the furnace pipe, and a powder conveying pipe () which has a diameter DT and a downstream end (), characterized in that the second part of the peripheral pipe has a length L≥the diameter (DP) of the second part of the peripheral pipe, and in that the diameter (DT) and the diameter (DP) are connected by the relationship 0 Подробнее

Apparatus for nitrogen oxides removal by oxidation with ozone and scrubbing or absorbing the reaction products

The present invention provides an apparatus for the treatment of exhaust gas from diesel engine or other combustion type processes, the apparatus comprising liquid and Ozone gas injection means (2) and (3) respectively, for delivering the liquid and Ozone gas into a pressurised exhaust gas stream pipe (1) when the diesel engine or other type internal combustion processes are in use. The liquid and the Ozone gas commingle as the liquid is reduced to a spray of very fine droplets in order to capture sub micron particulate materials before entering a shortened reaction/contacting chamber (4) where the contents undergo a phase change before exiting and entering a gas liquid separator (5) where the liquid droplets are separated from the treated particulate materials, which are subjected to a scrubbing regime in a downstream scrubber (11) before exiting the apparatus through an exit pipe (7). When in use, the apparatus uses the diesel engine or other combustion type process pressure to create high velocities and Reynolds numbers in the shortened reaction/contacting chamber (4) in which NOx is rapidly mixed and reacted with the injected Ozone gas and converted through to N2O5 and wherein the sub micron particulate materials, with condensed hydrocarbons, are simultaneously wetted and efficiently captured by the injected and finely sheared liquid droplets.

METHOD FOR REMOVING CARBON DIOXIDE IN ACIDIC GAS AND APPARATUS THEREFOR

Provided is a method for removing carbon dioxide in acidic gas and an apparatus therefor. A method for removing carbon dioxide in acidic gas includes: purifying coke oven gas to prepare acidic gas; injecting ammonia into the acidic gas and adjusting a molar ratio of carbon dioxide to ammonia in an entire mixed stream to 0.5 or more; indirectly cooling the mixed stream to form a salt; removing the salt in a form of slurry; heating the salt in the removed slurry to decompose the salt into carbon dioxide gas, ammonia gas, and water; and recovering the decomposed ammonia gas. 1. A method for removing carbon dioxide in acidic gas , the method comprising:purifying coke oven gas to prepare acidic gas;injecting ammonia into the acidic gas and adjusting a molar ratio of carbon dioxide to ammonia in an entire mixed stream to 0.5 or more;indirectly cooling the mixed stream to form a salt;removing the salt in a form of slurry;heating the salt in the removed slurry to decompose the salt into carbon dioxide gas, ammonia gas, and water; andrecovering the decomposed ammonia gas.2. The method of claim 1 , wherein:in the injecting of the ammonia into the acidic gas and adjusting the molar ratio of ammonia to carbon dioxide in the entire mixed stream to 0.5 or more,when the molar ratio of ammonia to carbon dioxide is less than 0.5, ammonia is injected.3. The method of claim 2 , wherein:in the injecting of the ammonia into the acidic gas and adjusting the molar ratio of ammonia to carbon dioxide in the entire mixed stream to 0.5 or more,ammonia is injected in a form of a mixed gas of ammonia gas and steam.4. The method of claim 1 , wherein:in the heating of the salt in the removed slurry to decompose the salt into carbon dioxide gas, ammonia gas, and water,high-temperature nitrogen gas and steam are used.5. The method of claim 4 , wherein:the heating of the salt in the removed slurry to decompose the salt into carbon dioxide gas, ammonia gas, and wateris performed at 70° C. or more.6. ...

METHOD FOR REGENERATING AMMONIA WATER AFTER CAPTURING CARBON DIOXIDE WITH AMMONIA WATER AND METHOD FOR CAPTURING CARBON DIOXIDE WITH AMMONIA WATER

A method for regenerating ammonia water after capturing carbon dioxide with aqueous ammonia includes steps as follow. An ammonia water regenerating system is provided, wherein the ammonia water regenerating system includes a heat exchanger, a stripper, a second pump, a first flash drum, a first compressor, a second flash drum and a second compressor. A first flashing step is performed, wherein the rich solvent is flashed to form a first steam and a first flash liquid. A first compressing step is performed, wherein the first steam is compressed. A stripping step is performed, wherein the first flash liquid is stripped. A second flashing step is performed, wherein the lean solvent is flashed to form a second steam and a second flash liquid. A second compressing step is performed, wherein the second steam is compressed. 1. A method for regenerating ammonia water after capturing carbon dioxide with ammonia water , comprising: a heat exchanger for performing a heat exchange treatment on a rich solvent and a lean solvent, and providing the rich solvent;', 'a stripper connected to the heat exchanger;', 'a second pump connected to the heat exchanger via a first flow path;', 'a first flash drum connected between a liquid inlet of the stripper and a liquid outlet of the heat exchanger;', 'a first compressor connected between a gas outlet of the first flash drum and a first gas inlet of the stripper;', 'a second flash drum connected between a liquid outlet of the stripper and a liquid inlet of the heat exchanger; and', 'a second compressor connected between a gas outlet of the second flash drum and a second gas inlet of the stripper;, 'providing an ammonia water regenerating system, comprisingperforming a first flashing step, wherein the rich solvent is flashed in the first flash drum to form a first steam and a first flash liquid;performing a first compressing step, wherein the first steam is compressed by the first compressor and transferred to the first gas inlet of the ...

Method for Treating Exhaust Gases Containing Sulfur Oxides

The invention relates to the technical field of the treatment of exhaust gases containing sulfur oxides, especially exhaust gases from technical combustion plants, the so-called flue gases, or exhaust gases from technical processes, such as steel production (e.g. blast furnace gases, etc.) Especially, the invention relates to a method for the treatment of exhaust gases containing sulfur oxides, in particular from technical combustion plants, such as flue gases, or from technical processes, for the purpose of removing and/or separating off the sulfur oxides or for the purpose of reducing the sulfur oxide content, as well as a system for carrying out the method. 115-. (canceled)16. A method for the purification of sulfur oxides-containing exhaust gases arising from technical processes , wherein the method comprises the step of removing the sulfur oxides for the purpose of reducing the sulfur oxide content in the exhaust gases ,wherein the sulfur oxides-containing exhaust gases are subjected to an exhaust gas treatment by desulfurization by means of at least one particulate sulfur oxide-reactive exhaust gas treatment reagent,wherein:(a) first, in a method step (a), the sulfur oxides-containing exhaust gases are brought into contact with the exhaust gas treatment reagent such that an exhaust gas stream containing the exhaust gas treatment reagent is obtained, wherein the exhaust gas treatment reagent is injected into the exhaust gases in fine dispersion by means of at least one first lance-shaped injection device, and(b) subsequently, in a method step (b), the exhaust gas stream containing the exhaust gas treatment reagent is brought into contact with water vapor such that the exhaust gas treatment reagent is reacted with the sulfur oxides contained in the exhaust gases, wherein the water vapor is injected into the exhaust gases in fine dispersion by means of at least one second lance-shaped injection device, wherein the second lance-shaped injection device is kept free ...

COMBUSTION DEVICE AND GAS TURBINE

A combustion device burns a fuel in a combustion chamber by using combustion air. The device includes a reducing agent injection device which includes an injection port and injects a predetermined reducing agent from the injection port toward a region having a low oxygen concentration in a flame in the combustion chamber, in which the reducing agent injection device changes a distance of the injection port with respect to the flame in accordance with an injection amount of reducing agent. 1. A combustion device which burns a fuel in a combustion chamber by using combustion air , the device comprising:a reducing agent injection device which includes an injection port and injects a predetermined reducing agent from the injection port toward a region having a low oxygen concentration in a flame in the combustion chamber,wherein the reducing agent injection device changes a distance of the injection port with respect to the flame in accordance with an injection amount of the reducing agent.2. The combustion device according to claim 1 ,wherein the reducing agent injection device includes,an injection nozzle of which a tip is the injection port, anda support mechanism which supports the injection nozzle so that the injection nozzle freely protrudes in an axial direction.3. The combustion device according to claim 2 ,wherein the support mechanism includesa first plate member which is provided in the injection nozzle in a posture orthogonal to the axial direction,a second plate member which is provided in a casing of the combustion chamber so as to face the first plate member, andan elastic member which is provided between the first plate member and the second plate member.4. The combustion device according to claim 3 ,wherein the second plate member is provided hermetically at an end portion of a tubular body provided coaxially with the injection nozzle on an outer periphery of the second plate member and includes an opening through which the injection nozzle is slidably ...

Filters for selective removal of large particles from particle slurries

A method for removing the high particle size tail of the particle size distribution of a slurry while leaving desirable smaller particles in the slurry. The method involves providing a filter media having a first and second side and being formed of at least one sheet of a fabric that has at least one layer comprising polymeric fibers having a mean number average fiber diameter of less than 1000 nm. A slurry stream is then supplied to one face of the fabric. The stream has a multiplicity of particle sizes comprising a first set of particles of maximum dimension less than 0.1 microns and a second set of particles of maximum individual dimension of greater than 0.45 microns to the first side of said filter media. The slurry stream is passed through said filter media to the second side thereof whereby at least a portion of the larger particles in the slurry are retained on the first side of said media. The filtration efficiency of the fabric towards the first set of particles is less than 0.05 and the filtration efficiency towards the second set of particles is greater than 0.8.

Filters for selective removal of large particles from particle slurries

A method for removing the high particle size tail of the particle size distribution of a slurry while leaving desirable smaller particles in the slurry. The method involves providing a filter media having a first and second side and being formed of at least one sheet of a fabric that has at least one layer comprising polymeric fibers having a mean number average fiber diameter of less than 1000 nm. A slurry stream is then supplied to one face of the fabric. The stream has a multiplicity of particle sizes comprising a first set of particles of maximum dimension less than 0.1 microns and a second set of particles of maximum individual dimension of greater than 0.45 microns to the first side of said filter media. The slurry stream is passed through said filter media to the second side thereof whereby at least a portion of the larger particles in the slurry are retained on the first side of said media. The filtration efficiency of the fabric towards the first set of particles is less than 0.05 and the filtration efficiency towards the second set of particles is greater than 0.8.

用于从颗粒浆液中选择性移除大颗粒的过滤器

本发明提供了用于移除浆液的粒度分布中的高粒度尾料并同时将所需较小颗粒留在所述浆液中的方法。所述方法包括提供具有第一侧面和第二侧面并由至少一片织物形成的过滤介质，所述织物具有至少一个包含聚合物纤维的层，所述聚合物纤维具有小于1000nm的平均数均纤维直径。然后向所述织物的其中一面提供浆液流。向所述过滤介质的所述第一侧面提供的所述浆液流具有多种粒度，所述浆液流包含最大尺寸小于0.1微米的第一组颗粒，以及最大个体尺寸大于0.45微米的第二组颗粒。使所述浆液流通过所述过滤介质到达其所述第二侧面，从而使所述浆液中所述较大颗粒的至少一部分保留在所述介质的所述第一侧面上。所述织物对所述第一组颗粒的过滤效率小于0.05，对所述第二组颗粒的过滤效率大于0.8。

Nozzle

A nozzle for an abatement apparatus and a method are disclosed. The nozzle is for abatement apparatus operable to treat an effluent stream from a processing tool, the nozzle comprises: a nozzle body defining a nozzle inlet operable to receive the effluent stream, a nozzle outlet, and a conduit extending between the nozzle inlet and the nozzle outlet and operable to convey the effluent stream in a direction of flow from the nozzle inlet to the nozzle outlet; and an effluent stream rotator configured to impart a rotational component to the effluent stream to rotate the effluent stream around the direction of flow. In this way, the effluent stream is rotated as it passes through the nozzle body. The destruction rate efficiency achieved by an abatement apparatus when receiving such rotating effluent streams has been found to be significantly improved compared to non-rotating effluent streams.

Method for forming consistently-sized and controllably-timed droplets

A method for forming substantially consistently-sized and substantially controllably-timed droplets is disclosed. An opening is provided through which a protrusion passes. The protrusion ends at a tip below the opening. A process liquid is provided to the opening at a controlled flow rate. The process liquid passes through the opening and flows along the protrusion, forming a droplet of the process liquid on the tip that reaches a substantially consistent droplet size and falls. The process liquid continues to pass through the opening at an even time interval based on the flow rate. In this manner, substantially consistently-sized and substantially controllably-timed droplets are formed.

Conveying system for injecting material at a convey line pressure

A conveying system for injecting material at a convey line pressure is disclosed. Material is injected into the convey line through a feed device from a pressurized vessel pressurized at the convey line pressure. In illustrated embodiments, the vessel is pressurized at the convey line pressure through connection to the convey line. As described, the vessel is connected to the convey line through a pressurization line to pressurize the vessel at the convey line pressure. In illustrated embodiments described the pressurization line is opened and closed via a valve to control pressurization of the vessel at the convey line pressure. In illustrated embodiments, convey line pressure is applied to multiple vessels of a conveying system through one or more pressurization lines to inject material into the convey line.

System for utilizing multiple vessels for continuous injection of material into a convey line

A system for utilizing a first vessel connected to a material source and a second vessel connected to a convey line to continuously inject material from the material source into the convey line is disclosed. In illustrated embodiments, the first vessel is connected to the convey line through the second vessel. During a first phase, the first vessel is filled with material from the material source while the second vessel injects material into the convey line. During a second phase, material from the first vessel is injected into the convey line through the second vessel to provide continuous material injection into the convey line.

使用金属胶体微粒的稳定悬浮液净化热力发动机的流体、以及制造所述流体的方法

本发明描述了适用于净化热力发动机的流体，其既能够对废气中所含的氮氧化物(DeNOx)进行催化还原，又能够帮助微粒过滤器(FAP)再生，所述流体的形式为胶体微粒的稳定悬浮液，所述胶体微粒分散在含有至少一种还原剂或至少一种NOx还原剂前体的水溶液中。本发明还描述了获得所述流体的几种方法。

Catalytic reduction of NOx with high activity catalysts

Methods and systems for selective catalytic reduction of NOx with an activated-carbon-supported metal catalyst at an operating temperature of between about between about 500° C. and about 750° C. An exhaust stream including NOx is introduced to a catalytic reactor having the activated-carbon-supported metal catalyst for NOx reduction of at least 90%. A second catalyst reactor can be provided downstream to remove or convert nitrous oxide as desired.

Methods for treating waste gas streams from waste incineration processes

FIELD: processing and recycling of waste.SUBSTANCE: method for removing pollutants from combustion gases generated by an incinerator. Air is injected into the incinerator along with fuel and supplemented with oxygen. Resulting combustion waste gas stream contains contaminants such as nitrogen oxides and is quenched, then fed to a reaction zone where it will contact ozone for a predetermined period of time. Thus treated combustion waste gas stream can be fed to a scrubber assembly where the reaction products formed by the reaction of ozone and the contaminants are removed.EFFECT: invention allows to reduce the temperature of exhaust gas.24 cl, 3 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 675 897 C2 (51) МПК B01D 53/34 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01D 53/34 (2018.08) (21)(22) Заявка: 2016115636, 25.09.2014 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): ЛИНДЕ АКЦИЕНГЕЗЕЛЛЬШАФТ (DE) Дата регистрации: 25.12.2018 (56) Список документов, цитированных в отчете о поиске: US 2010/0119427 A1, 13.05.2010. US 2006/0245993 A1, 02.11.2006. US 2005/0084436 A1, 21.04.2005. US 2005/0008555 A1, 13.01.2005. 25.09.2014 US 14/496,009; 25.09.2013 US 61/882,280 (43) Дата публикации заявки: 30.10.2017 Бюл. № 31 (45) Опубликовано: 25.12.2018 Бюл. № 36 C 2 C 2 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 25.04.2016 (86) Заявка PCT: IB 2014/003161 (25.09.2014) (87) Публикация заявки PCT: 2 6 7 5 8 9 7 2 6 7 5 8 9 7 Приоритет(ы): (30) Конвенционный приоритет: R U R U 25.09.2014 (72) Автор(ы): САЧЕК Нареш Дж. (US) WO 2015/071772 (21.05.2015) Адрес для переписки: 129090, Москва, ул. Б.Спасская, 25, строение 3, ООО "Юридическая фирма Городисский и Партнеры" (54) СПОСОБЫ ОЧИСТКИ ПОТОКОВ ОТХОДЯЩИХ ГАЗОВ ИЗ СПОСОБОВ СЖИГАНИЯ ОТХОДОВ (57) Реферат: Способ удаления загрязняющих веществ из контактировать с озоном в течение заданного газов сгорания, генерированных периода ...

Use of bromide-containing inorganic salt and activated carbon for reducing mercury emissions from combustion gas streams

조성물, 및 그와 같은 조성물을 이용하는 공정은 연소 가스로부터 수은 방출을 감소시키기 위해 제공된다. 그와 같은 조성물은 목재-유래된 또는 코코넛 껍질-유래된 활성탄 및/또는 브로마이드-함유 무기 염 예컨대 암모늄 브로마이드 또는 칼슘 브로마이드 염을 포함한다. Compositions, and processes using such compositions, are provided to reduce mercury emissions from combustion gases. Such compositions include wood-derived or coconut shell-derived activated carbon and / or bromide-containing inorganic salts such as ammonium bromide or calcium bromide salts.

System and method for flue gas scrubbing

연도 가스(122)를 세정하기 위한 장치(100)는 연도 가스(122)의 유동을 수용하기 위한 입구(120) 및 재순환 탱크부(142)를 갖는 타워(140); 상기 재순환 탱크부(142) 내에 배치된 유체(162); 및 산소-함유 가스(154)를 유체(162) 내로 도입하기 위한 개구부(152)를 갖는 급기장치(150)를 포함하고; 상기 개구부(152)는 입구(120)로부터 예정된 반경 방향 거리(F)와 동일하거나 또는 적어도 그보다 먼 거리에서 산소-함유 가스(154)를 방출하도록 배치되고, 상기 예정된 반경 방향 거리(F)는 재순환 탱크부(142)의 직경의 적어도 10%와 동일하다. Apparatus 100 for cleaning flue gas 122 includes a tower 140 having an inlet 120 and a recirculation tank portion 142 for receiving a flow of flue gas 122; A fluid 162 disposed in the recirculation tank part 142; And an air supply device 150 having an opening 152 for introducing the oxygen-containing gas 154 into the fluid 162; The opening 152 is arranged to release the oxygen-containing gas 154 at a distance equal to or at least greater than the predetermined radial distance F from the inlet 120, the predetermined radial distance F being recycled. At least 10% of the diameter of the tank portion 142.

Dry sorbent CO2 capturing device with multistaged supplying

본 발명은 이산화탄소를 흡수하는 흡수제 또는 이산화탄소를 함유하는 배기가스를 회수반응기의 높이에 따라 다단으로 공급하여 흡수효율을 향상시킬 수 있는 건식 이산화탄소 포집장치에 관한 것으로, 배기가스공급관을 통해 외부로부터 공급된 이산화탄소가 함유된 배기가스에 고체흡수제를 접촉하여 이산화탄소를 회수하는 회수반응기; 상기 회수반응기와 연결되어 기체는 배출시키고 이산화탄소를 포집하고 있는 고체흡수제만 분리하는 회수싸이클론; 상기 회수싸이클론으로부터 공급받은 이산화탄소를 포집하고 있는 고체흡수제를 공급받아 유동화가스를 이용하여 고체흡수제에 포집된 이산화탄소를 분리하는 재생반응기; 및 상기 재생반응기와 흡수제공급관을 통해 연결되어 이산화탄소가 분리된 고체흡수제를 냉각시켜 상기 회수반응기로 피드백하는 전처리반응기를 포함하고, 상기 배기가스공급관과 상기 흡수제공급관 중 어느 하나 이상은 상기 회수반응기의 높이에 따라 2이상이 배치되는 것을 특징으로 한다. The present invention relates to a dry carbon dioxide collection device that can improve the absorption efficiency by supplying the absorbent absorbing carbon dioxide or exhaust gas containing carbon dioxide in multiple stages according to the height of the recovery reactor, and is supplied from the outside through the exhaust gas supply pipe A recovery reactor for recovering carbon dioxide by contacting the solid absorbent with the exhaust gas containing carbon dioxide; A recovery cyclone connected to the recovery reactor for discharging gas and separating only a solid absorbent trapping carbon dioxide; A regeneration reactor for receiving the solid absorbent trapping the carbon dioxide supplied from the recovery cyclone to separate the carbon dioxide trapped in the solid absorbent using a fluidizing gas; And a pretreatment reactor connected through the regeneration reactor and the absorbent supply pipe to cool the solid absorbent from which carbon dioxide is separated and fed back to the recovery reactor, wherein at least one of the exhaust gas supply pipe and the absorbent supply pipe is the height of the recovery reactor. Two or more are arranged according to.

DEVICE FOR PURIFYING EXHAUST GAS OF INTERNAL COMBUSTION ENGINE

Ce dispositif (2, 102) de purification de gaz d'échappement, comprenant un conduit amont (4) dans lequel est logé un premier organe (6) de purification de gaz d'échappement, un conduit aval (8) dans lequel est logé un second organe (10) de purification de gaz d'échappement, un volume mélangeur (12) et un dispositif injecteur (20) d'un produit réducteur d'oxydes d'azote ; est caractérisé en ce que le volume mélangeur comporte un premier organe déflecteur propre à canaliser le flux de gaz d'échappement de sorte qu'il s'écoule à travers le jet de produit réducteur d'oxydes d'azote puis transversalement à un second organe déflecteur (36, 56), le second organe déflecteur étant conformé pour former deux flux tourbillonnaires d'un mélange de gaz d'échappement et de produit réducteur d'oxydes d'azote ; et en ce que le dispositif comporte en outre un élément (54, 58) de protection du second organe (10) de purification de gaz d'échappement. This exhaust gas purification device (2, 102), comprising an upstream pipe (4) in which is housed a first exhaust gas purification member (6), a downstream pipe (8) in which is housed a second exhaust gas purification member (10), a mixing volume (12) and an injector device (20) of a nitrogen oxide reducing product; is characterized in that the mixer volume comprises a first deflector member adapted to channel the flow of exhaust gas so that it flows through the stream of reducing product of nitrogen oxides and then transversely to a second organ baffle (36,56), the second baffle member being shaped to form two vortex streams of an exhaust gas and nitrogen oxide reducing agent mixture; and in that the device further comprises a member (54, 58) for protecting the second exhaust gas purification member (10).

废气处理装置

本发明提供一种新型的废气处理装置，所述废气处理装置通过将处理对象废气的高温分解气体成分预热，对于大风量的处理对象废气利用小容量的等离子体发生装置就能够应对。废气处理装置(10)，在水分的存在下，利用来自于电加热器(15)或者热交换器(17)中的至少一个的热将处理对象废气(F)预热，接着，利用大气压等离子体(P)将废气(F)热分解。装置本体(11)的内部成为加热分解室(T)。等离子体发生装置(14)是非移动型的，设置在装置本体(11)的顶面部(11a)。反应器(12)是圆筒状的，设置在装置本体(11)内，将其上端开口(12i)朝向该等离子体发生装置(14)的等离子体喷出口(14f)配置。水分供应部(18)设置在装置本体(11)的入口侧。电加热器(15)或者热交换器(17)中的至少一个配置在第一空间(T1)中。

Способ и устройство для удаления примесей из выхлопных газов

Изобретение относится к способу и устройству для удаления примесей, таких как оксиды азота, оксиды серы, твердые частицы, тяжелые металлы, а также других кислых газов, которые образуются в химических и металлургических процессах при полном и частичном сгорании из газовых потоков. Способ включает разделение потока технологического газа как минимум на два потока технологического газа, подачу озона для контакта как минимум с одним из отделенных потоков технологического газа для окисления примесей в данном потоке газа и подачу как минимум одного из потоков технологического газа, контактирующего с озоном, в скруббер для удаления окисленных примесей из газовых потоков. Устройство включает газоход для вывода потока технологического газа из отходящих продуктов процесса горения, подсоединенный к газоходу скруббер для приема потока технологического газа, содержащего примеси, источник озона, установленный в первой зоне потока технологического газа скруббера для селективного смешивания с потоком технологического газа, и вторую зону потока технологического газа скруббера, в которой нет озона, и озон, смешанный с потоком технологического газа в первой зоне, который окисляет оксиды азота, присутствующие в первой зоне потока технологического газа. Изобретение обеспечивает эффективное удаление примесей, а также достижение сверхнизких концентраций оксидов азота в очищенном потоке. 4 н. и 17 з.п. ф-лы, 8 ил. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 645 987 C2 (51) МПК B01D 53/56 (2006.01) B01D 53/75 (2006.01) B01D 53/78 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01D 53/56 (2017.08); B01D 53/75 (2017.08); B01D 53/78 (2017.08) (21)(22) Заявка: 2016118683, 07.10.2014 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): КЭННОН ТЕКНОЛОДЖИ ИНК. (US) Дата регистрации: 28.02.2018 R U 07.10.2014 (72) Автор(ы): СУЧАК НАРИШ ДЖЕЙ (US) (56) Список документов, цитированных в отчете о поиске: US 6136284 A, 24.10 ...

用于从颗粒浆液中选择性移除大颗粒的过滤器

本发明涉及用于从颗粒浆液中选择性移除大颗粒的过滤器，提供了用于移除浆液的粒度分布中的高粒度尾料并同时将所需较小颗粒留在所述浆液中的方法。所述方法包括提供具有第一侧面和第二侧面并由至少一片织物形成的过滤介质，所述织物具有至少一个包含聚合物纤维的层，所述聚合物纤维具有小于1000nm的平均数均纤维直径。然后向所述织物的其中一面提供浆液流。使所述浆液流通过所述过滤介质到达其所述第二侧面，从而使所述浆液中所述较大颗粒的至少一部分保留在所述介质的所述第一侧面上。所述织物对所述第一组颗粒的过滤效率小于0.05，对所述第二组颗粒的过滤效率大于0.8。

An exhaust gas denitriging system to prevent clopping nozzle and ureawater pipe and Ureawater supply device to prevent ureawater solidification

본 발명은 배기가스 탈질시스템에 대한 것으로, 반응챔버로 요소수와 공기를 공급하는 요소수분사부를 포함하는 배기가스 탈질시스템에 있어서, 상기 요소수분사부는 외부의 공기를 공기유입로를 통해 분사부에 공급하는 공기공급부와; 요소수를 요소수유입로를 통해 분사부에 공급하는 요소수공급부와; 상기 요소수유입로 일측에 연결된 물유입로를 통해 물을 분사부에 공급하는 물공급부와; 상기 요소수유입로에 물 또는 요소수를 선택적으로 분사부에 공급하는 유량제어밸브와; 상기 공기공급부와 상기 요소수공급부에 각각 연결되어 분사노즐을 통해 공기, 요소수, 물을 선택적으로 반응챔버에 배출하는 분사부;를 포함하여, 반응챔버로 요소수와 공기를 계속적으로 배출하는 과정에서 막히게 되는 분사노즐과 요소수유입로에 물을 공급하여 요소수유입로와 분사노즐의 막힘현상을 해결할 수 있는 요소수유입로와 분사노즐의 막힘을 방지할 수 있는 배기가스 탈질시스템과 요소수 응고를 방지할 수 있는 요소수 공급장치에 관한 것이다. The present invention relates to an exhaust gas denitrification system, comprising an urea water injection unit for supplying urea water and air to a reaction chamber, wherein the urea water injection unit injects external air through an air inlet passage An air supply unit supplied to the air supply unit; A urea water supply unit for supplying urea water to the injection unit through the urea water inlet passage; A water supply unit configured to supply water to a spray unit through a water inflow path connected to one side of the urea water inflow path; A flow control valve for selectively supplying water or urea water to the injection unit to the urea water inlet passage; A process of continuously discharging urea water and air to the reaction chamber, including an air injector connected to the air supply unit and the urea water supply unit to selectively discharge air, urea water, and water to the reaction chamber through an injection nozzle. Flue gas denitrification system and urea water to prevent clogging of urea inlet and injection nozzle by supplying water to the injection nozzle and urea inlet which are blocked in the The present invention relates to a urea water supply device capable of preventing solidification.

Spouted bed type reactor for semi-dry flue gas desulfurization and multi- stage desulfurization method using thereof

The present invention relates to a spouted bed type reactor for semi-dry flue gas desulfurization and a multistage desulfurization method using the same. The purpose of the present invention is to remove dust with high density in flue gas including sulfur oxide (SOx), to increase the contact reaction rate of the sulfur oxide (SOx) included in the flue gas with absorbent powder for desulfurization inserted in a reactor by lowering pressure difference between the fore-end and rear-end of the reactor via the improvement of the inflow speed of the flue gas in the reactor and the novel composition of a method for supplying recirculated absorbent powder, and to increase desulfurization rate by conducting the multistage reaction of the sulfur oxide (SOx) with the absorbent powder in the reactor. The spouted bed type reactor for semi-dry flue gas desulfurization according to the present invention comprises a gravity-type settling box (1); a venturi part (2) for increasing the flow rate of the flue gas; a main body (3) of the reactor composed of a conic fluidizing part (31) for removing the sulfur oxide while flowing with the absorbent powder for desulfurization and a fluidizing part (32) for removing the sulfur oxide by circulating and flowing water sprayed upward, the flue gas and absorbent powder; a absorbent powder supply device (4) for supplying the absorbent powder for desulfurization with compressed air into the conic fluidizing part; a recirculated absorbent powder supply device (5) for re-supplying unreacted absorbent powder for desulfurization into the conic fluidizing part; and a water spray supply device (6) for spraying water and compressed water upward. Also the present invention provides a multistage desulfurization method using the spouted bed type reactor for semi-dry flue gas desulfurization. [Reference numerals] (AA) Combustion flue gas

A kind of flue ozone distributor and arrangement thereof being applied to low-temperature oxidation denitration technology

本发明涉及一种应用于低温氧化脱硝技术的烟道臭氧分布器及其布置方式。所述烟道臭氧分布器包括分布主管、多个分布支管、多个文丘里分布器和多个三角翼；所述多个分布支管从分布主管并行分支引出；所述多个文丘里分布器等间距布置在分布支管上；所述文丘里分布器的扩散段一侧设置三角翼。所述烟道中设置有所述的烟道臭氧分布器。本发明主要应用于热电、钢铁等行业工业锅炉/窑炉烟气低温臭氧氧化法脱硝领域，臭氧喷入方向与烟气流向一致，不存在积灰堵塞的问题，尤其强化了烟气和臭氧的扰流行为，促进了氧化效率，缩短了有效反应的烟道距离，实际工程应用优势非常明显。

Technology for raising capture efficiency of carbon dioxide in flue gas by utilization of water vapor

本发明公开了一种将水蒸气应用于提高烟气中二氧化碳捕捉效率的工艺，包括以下步骤：S1、对锅炉燃烧所产生的高温烟气进行余热回收，回收生成的热量将媒介水加热生成210～230℃的水蒸汽；S2、将其中一部分水蒸气与一次风送入锅炉的炉膛，使煤粉在燃烧第一焰区燃烧并带有旋流将煤粉送入第二焰区；其中一部分水蒸气与二次风混合，送入煤粉燃烧的第二焰区，使煤粉在燃烧第二焰区形成贫氧燃烧；S3、将其中一部分水蒸气与三次风混合，送入煤粉完成整个燃烧的第三焰区。本发明避免了烟气中NOx和SO 2 的含量会随着循环次数的增加而不断富集，同时提高了CO 2 的捕获效率。

For the fluid of progress contamination control in Thermal Motor and the method for preparing the fluid by producing homogeneous phase solution

本发明涉及一种适用于在热力发动机中进行污染控制的流体，该流体提供了废气中所含的氮氧化物(DeNOx)中的催化还原和辅助颗粒过滤器(FAP)的再生。本发明还描述了用于获得所述流体的多种方法。

Nozzle

公开了用于减排设备的喷嘴和方法。喷嘴用于减排设备，该减排设备可操作以处理来自加工工具的废气流，该喷嘴包括：喷嘴主体，其限定喷嘴入口、喷嘴出口和导管，喷嘴入口可操作以接收废气流，导管在喷嘴入口和喷嘴出口之间延伸且可操作以沿从喷嘴入口到喷嘴出口的流动方向运送废气流；和废气流旋转器，其被构造成向废气流赋予旋转分量以使废气流围绕流动方向旋转。以此方式，废气流在其通过喷嘴主体时旋转。已经发现，与不旋转的废气流相比，当接收这种旋转废气流时，减排设备实现的破坏率效率得到显著提高。

Sintering flue gas desulfurization and denitrification technology

本发明公开了一种烧结烟气脱硫脱硝的工艺，包括以下步骤：(1)在烧结烟道中增设一个烟气预氧化器，将烧结烟气通入预氧化器中，同时向预氧化器中喷入雾化的过氧化氢溶液与所述烧结烟气充分接触反应，对烧结烟气中NO预氧化和烧结烟气初步脱硫脱硝处理；(2)将步骤(1)后的烧结烟气通入氨水中进行深度同步脱硫脱硝。本发明的工艺所用的氧化剂种类少、只需要用过氧化氢来氧化烧结烟气，而且所需的雾化过氧化氢溶液的喷入量小，减少了氧化剂的用量。本发明的工艺简单，可以在现有氨法脱硫工艺的基础上改建成本发明的工艺，投资和工程造价低。

Patent RU2016115636A3

`7ВУ’” 2016115636” АЗ Дата публикации: 25.05.2018 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж Я «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2016115636/05(024589) 25.09.2014 РСТЛВ2014/003161 25.09.2014 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 14/496,009 25.09.2014 05 2. 61/882,280 25.09.2013 05 Название изобретения (полезной модели): [ЖХ] - как заявлено; [ ] - уточненное (см. Примечания) СПОСОБЫ ОЧИСТКИ ПОТОКОВ ОТХОДЯЩИХ ГАЗОВ ИЗ СПОСОБОВ СЖИГАНИЯ ОТХОДОВ Заявитель: ЛИНДЕ АКЦИЕНГЕЗЕЛЛЬШАФТ, РЕ 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) ВОТО 53/34 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) ВОО 53/00-53/96 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): СТРО, РЕРАТБ пе, РУУРТ, ЕАРАТТУ, Езрасепес, С1оБа1 Без1еп РабаБазе, боозе, ]-Р1а Рав, К-РТОМ, КРК, РАТЕМТСОРЕ, Р55, Раеагсь, КОРТО, КВеахуз$, 5СОРО, 5ГРО, ТМ, эсепсе Оиесе, ИЗРТО, Уапдех, БД ВИНИТИ 6. ...

A kind of dry powder adsorbent flue injection removing SO3Equipment

本发明涉及燃煤烟气污染物控制技术领域，具体涉及一种干粉吸附剂烟道注射脱除SO 3 的设备。其包括用于储存干粉碱性吸附剂的储罐，储罐的顶部设有储罐进料口和储罐排气口，储罐排气口通过储罐输气管与储罐过滤器的进气口相连，储罐输气管的中部通过设有第一气动截门的管路与第一压力气源相连，储罐的上部安装有用于使储罐内保持微正压的微正压装置，储罐的下部为锥角朝下的锥斗形，储罐的底部设有储罐出料口，储罐出料口处设有气动给料机，气动给料机的下方设有称重罐，气动给料机的出料口通过气动给料机输料管与称重罐顶部的进料口相连，气动给料机输料管通过设有截门的管路与第二压力气源相连，称重罐的顶部设有称重罐排气口。

Methods for reduction of emissions of exhaust gases of engine and solid particles and system of hybrid vehicle

FIELD: engine building.SUBSTANCE: invention discloses methods and systems for reducing cold start engine emissions during activation of a catalyst. According to one of the examples of the invention implementation, the method of exhaust gases emission reduction may include supply of ionized air into the exhaust system of the engine downstream of the spent gas catalyst for oxidation of spent gas emissions not treated with the catalyst.EFFECT: this solution allows to reduce content of SP in exhaust gases, as well as in downstream filter of solid particles.18 cl, 4 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 719 675 C2 (51) МПК F01N 3/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК B01D 2251/104 (2019.08); B01D 53/9431 (2019.08); B01D 53/944 (2019.08) (21)(22) Заявка: 2016113143, 07.04.2016 (24) Дата начала отсчета срока действия патента: Дата регистрации: 21.04.2020 (73) Патентообладатель(и): Форд Глобал Текнолоджиз, ЛЛК (US) 17.04.2015 US 14/689,309 (43) Дата публикации заявки: 10.10.2017 Бюл. № 28 (45) Опубликовано: 21.04.2020 Бюл. № 12 (56) Список документов, цитированных в отчете о поиске: FR 2877588 A1, 12.05.2006. US 5913809 A, 22.06.1999. CN 103492249 A, 01.01.2014. US 2009235648 A1, 24.09.2009. US 2004107695 A1, 10.06.2004. R U (54) СПОСОБЫ ДЛЯ СОКРАЩЕНИЯ ВЫБРОСОВ ОТРАБОТАВШИХ ГАЗОВ ДВИГАТЕЛЯ И ТВЕРДЫХ ЧАСТИЦ И СИСТЕМА ГИБРИДНОГО ТРАНСПОРТНОГО СРЕДСТВА (57) Реферат: Предлагаются способы и системы для систему двигателя ниже по потоку от сокращения выбросов холодного запуска катализатора отработавших газов для окисления двигателя во время активизации катализатора. В выбросов отработавших газов, не обработанных соответствии с одним из примеров осуществления катализатором. Данное решение позволяет изобретения способ уменьшения выбросов уменьшить содержание ТЧ в отработавших газах, отработавших газов может включать в себя а также в расположенном ниже по потоку подачу ионизированного воздуха в выпускную ...

Device for purifying the exhaust gas of an internal combustion engine

제1 배기 가스 정화 부재(6)가 내부에 수용되는 상류측 파이프(4), 제2 배기 가스 정화 부재(10)가 내부에 수용되는 하류측 파이프(8), 혼합 챔버(12), 및 질소 산화물 환원물을 위한 분사 장치(20)를 포함하는, 배기 가스 정화 장치(2, 102)는, 배기 가스의 유동이 제2 디플렉터 부재(36, 56)에 실질적으로 직교하게 질소 산화물 환원물의 제트를 통과하여 유동하도록 배기 가스의 유동을 채널링할 수 있는 제1 디플렉터 부재를 혼합 챔버가 포함하고, 제2 디플렉터 부재는 배기 가스와 질소 산화물 환원물의 혼합물의 2개의 소용돌이 유동을 형성하도록 구성되며, 배기 가스 정화 장치는 배기 가스를 정화하는 제2 부재(10)를 보호하는 보호 요소(54, 58)를 더 포함하는 것을 특징으로 한다. An upstream pipe 4 in which the first exhaust gas purifying member 6 is accommodated, a downstream pipe 8 in which the second exhaust gas purifying member 10 is accommodated, a mixing chamber 12, An exhaust gas purification apparatus (2, 102), including an injector (20) for oxide reductants, is configured such that the flow of exhaust gas causes a jet of nitrogen oxide reductant to flow substantially perpendicular to the second deflector member Wherein the mixing chamber includes a first deflector member capable of channeling a flow of exhaust gas to flow therethrough and the second deflector member is configured to form two swirl flows of a mixture of exhaust gas and nitrogen oxide reductant, The purifier further comprises a protective element (54, 58) for protecting the second member (10) which purifies the exhaust gas.

A kind of integrative coordinated removing sulfur trioxide device and its method of work suitable for sulphur coal

本发明涉及一种适用于高硫煤的一体化协同脱除三氧化硫装置，包括锅炉和多个烟道，其特征在于：锅炉的后方依次设置有省煤器、SCR脱硝反应器、空预器、低温省煤器和静电除尘器，锅炉与省煤器通过烟道相连，省煤器与SCR脱硝反应器通过烟道相连，SCR脱硝反应器与空预器通过烟道相连，空预器与低温省煤器通过烟道相连，低温省煤器和静电除尘器通过烟道相连；SCR脱硝反应器和空预器之间的烟道内还设置有碱性吸收剂喷射装置，碱性吸收剂喷射装置连接有碱性吸收剂储存装置，静电除尘器的后方还设置有尾部烟气处理装置。本发明还涉及该装置的工作方法。

Flue gas desulfurization reactor for descending circulating fluidized bed

本发明涉及一种下行循环流化床烟气脱硫技术。其核心设备-反应器的结构，由上至下依次为：直流流线型进口烟道、吸收剂均布器、声波吹灰器、静态混合器、反应器壳体、增湿活化喷嘴、锥形旋流板式气固分离器、气固分隔导流筒、脱硫烟气出口烟道和双曲线灰斗。本发明配置合理，使反应器内的烟气与吸收剂充分碰撞、混合；并获得稳定均匀的流场、温度场和压力场；吸收剂获得高循环倍率和利用率；而且不存在粘壁、结垢、塌床的问题；同时明显降低了出口烟气的含尘量，大大减轻了后部袋式除尘器的负荷，确保装置安全、稳定、长周期运行，有效解决了半干法烟气脱硫技术中的技术难题。

Gas sweetening method of denitration

本发明公开了一种气体脱硫脱硝方法，以解决现有技术中不能同步进行脱硫脱硝的技术问题。该气体脱硫脱硝方法包括以下过程：Ⅰ.气体中的二氧化硫和氮氧化物同时被含有氧化剂的第一吸收液所吸收并分别氧化为对应的酸根离子从而在所述第一吸收液中生成相应的酸；Ⅱ.所述的酸分别与进入第一吸收液中的第一碱性物质发生反应并分别生成与所述酸根离子相对应的盐；Ⅲ.回收所述的盐。该方法能够解决现有技术中不能同步进行脱硫脱硝的技术问题，尤其适用于火(热)电行业及钢铁石油等行业燃煤烟气的净化处理。