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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 22. Отображено 22.
03-01-2013 дата публикации

SYNTHESIZED POLY(LACTIC-CO-GLYCOLIC ACID) FROM BIOMASS CREATININE-CATALYZED COPOLYCONDENSATION OF LACTIC ACID AND GLYCOLIC ACID

Номер: WO2013000227A1
Автор: LI, Hong, ZHANG, Quanxing, JIANG, Wei, PAN, Bingcai
Принадлежит:

A method for synthesizing a medical grade biodegradable material, poly(lactic-co-glycolic acid), by biomass creatinine-catalyzed copolycondensation of lactic acid and glycolic acid. The present invention uses an in vivo arginine metabolic product, creatinine, as a catalyst, industrial grade lactic acid (LA, 85% aqueous solution) and glycolic acid (GA, 95%) as copolymerization monomers, and, through a solvent-free second-degree copolycondensation, acquires the high biosafety level, medical grade biodegradable poly(lactic-co-glycolic acid). The present invention is characterized in that: green technology is used, material costs are inexpensive, operation is simple and convenient, and industrial implementation is easy; the catalyst, creatinine, has high levels of biocompatibility and biosafety, and no cytotoxicity, the poly(lactic-co-glycolic acid) synthesized is without any metal and other toxic residues; the molecular weight of the poly(lactic-co-glycolic acid) synthesized is controlled ...

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Номер записи: 1
20-06-2013 дата публикации

PROCESS FOR TREATING DYE WASTEWATER BY ULTRAVIOLET ACETYLACETONE OXIDIZATION

Номер: WO2013086921A1
Автор: ZHANG, Shujuan, WANG, Mengshu, LIU, Xitong, PAN, Bingcai, LV, Lu, ZHANG, Weiming
Принадлежит:

Disclosed is a process for treating dye wastewater by ultraviolet acetylacetone oxidization. The process consists in the steps of: A) adding acetylacetone to a dye-containing water, and stirring to uniformity; and B) radiating the dye-containing water from step A) under an ultraviolet source, until the dye decolorizes. In this process, the dye can be decolorized quickly under the radiation of the ultraviolet source, and as the reaction progresses, the rate of decolorization is accelerated. The decolorized water has increased biodegradability, and therefore the process can also be used as pre-treatment in microorganism treatment processes.

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Номер записи: 2
04-10-2018 дата публикации

MESOPOROUS OZONE OXIDATION CATALYST AND PREPARATION AND USAGE METHOD THEREFOR

Номер: WO2018176779A1
Автор: PAN, Bingcai, SHAN, Chao, XU, You, YANG, Zhichao, ZHANG, Weiming, LV, Lu
Принадлежит:

Disclosed is a mesoporous ozone oxidation catalyst and a preparation and usage method therefor. The mesoporous ozone oxidation catalyst contains cerium, titanium, zirconium, and oxygen, is millimetre-sized mesoporous spherical particles, has a unique crystal structure, and also has a durable and stable catalytic activity, excellent hydromechanic properties, a porous structure, compressive strength, acid and alkali resistance/ligand stability, oxidation resistance and thermal stability, and can significantly increase the degree of mineralization of ozone oxidation. The valence state and composition of the active ingredients remain the same after repeated reuse. The preparation method therefor involves preparing the millimeter-sized mesoporous titanium-zirconium complex spheres by means of a calcium alginate template, and then compounding the cerium element and the titanium-zirconium complex by means of impregnation. The catalyst can be used in a fixed-bed or fluidized bed reactor for treating ...

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Номер записи: 3
11-03-2010 дата публикации

METHOD FOR DEEPLY PURIFYING MICRO-PHOSPHORUS IN WATER BY COMPOSITE RESIN

Номер: WO2010025617A1
Автор: PAN, Bingcai, PAN, Bingjun, ZHANG, Qingjian, QIU, Hui, ZHANG, Weiming, CHEN, Xinqing
Принадлежит:

A method for deeply purifying micro-phosphorus in water by composite resin is provided. The pH value of water is firstly adjusted to between 5.0 and 9.0 for filtration, then the filtrate passes through an absorption tower filled with composite resin materials to make the micro-phosphorus in water be adsorbed on the composite resin. The adsorption is stopped when the adsorption reaches the leakage point, and a mixed solution of NaOH and NaCl serves as a desorption agent for desorption and regeneration, then CO2 saturated solution is used to leach the absorption tower filled with composite resin materials for regenerating resin. The method has good treatment effect and large treatment capacity, and the materials are renewable and recyclable.

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Номер записи: 4
24-01-2013 дата публикации

PROCESS FOR REGULATING STRUCTURE AND PERFORMANCE OF NANO COMPOSITE ADSORBENT

Номер: WO2013010356A1
Автор: PAN, Bingcai, WANG, Jing, ZHANG, Shujuan, LV, Lu, ZHANG, Weiming
Принадлежит:

Disclosed is a process for regulating the structure and performance of a nano composite adsorbent, fixedly carrying and adsorbing separated nano functional particles by in situ precipitation using chloromethylated polystyrene-divinylbenzene spheres with nano pores (chloro-spheres) as a carrier material. By regulating the pore structure of the carrier material, nano composite adsorbents having various different adsorption capacities and adsorption rates can be prepared, wherein the process for regulating the pore structure of the carrier lies in performing a subsequent crosslinking reaction of the chloro-spheres in the presence of a swelling agent and a catalyst by heating, and preparing a polymeric carrier having a different pore structure by controlling the composition ratio of the substances in the reaction system, the manner of heating, and the reaction time, so that nano composite adsorbents having different structures and performances are obtained.

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Номер записи: 5
29-08-2013 дата публикации

ADVANCED TREATMENT METHOD FOR BIOCHEMICAL TAIL WATER OF COKING WASTEWATER

Номер: WO2013123780A1
Автор: PAN, Bingcai, YANG, Wenlan, LV, Lu, ZHANG, Weiming, JIANG, Yingnan
Принадлежит:

An advanced treatment method for biochemical tail water of coking wastewater. By using poly-ferric sulfate (PFS) and polyacrylamide (PAM) as flocculants for pretreating the biochemical tail water of coking wastewater, the wastewater is subjected to precipitation, separation and filtration, and the effluent water passes through a packed column provided with a nano composite material, thus implementing advanced treatment of coking wastewater. The adsorption is stopped when the adsorption reaches the breakthrough point, and desorption regeneration is carried out by using a sodium hydroxide water solution as a desorbing agent. The high-concentration desorption liquid is concentrated, and sent out for incineration or production of coal water slurry; and the low-concentration desorption liquid is used for preparing the sodium hydroxide water solution for the next batch of desorption operation.

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Номер записи: 6
23-08-2012 дата публикации

RESIN-ENZYME COMPLEX CATALYST AND PREPARATION METHOD THEREOF

Номер: WO2012109818A1
Автор: PAN, Bingcai, ZHANG, Xiaolin, LV, Lu, HE, Kai, ZHANG, Weiming, ZHANG, Quanxing
Принадлежит:

A resin-enzyme complex catalyst and a preparation method thereof are provided. Said method comprises the steps of: (1) dissolving target enzyme in neutral phosphate buffer solution to obtain solution A with a concentration of 0.2-10 mg/mL; (2) selecting macroporous ion exchange resin as carrier according to isoelectric point of enzyme, (3) mixing solution A and selected resin at room temperature at a ratio of 10-500 mL/g, and (4) taking the resin out, washing with neutral phosphate buffer solution, and drying in the shade. Said method has the advantages of easy operation, easy control, and low loss of enzyme activity. Said resin-enzyme complex catalyst has high stability and good leaching resistance within a wide pH range, and can be used in an aqueous phase.

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Номер записи: 7
14-02-2019 дата публикации

PROCESS METHOD FOR SYNTHESIZING 1,5,7-TRIAZABICYCLO[5.5.0]DEC-5-ENE IN AUTOCATALYTIC AMPHIPATHIC MIXED SOLVENT

Номер: WO2019029561A1
Автор: LI, Hong, ZHANG, Quanxing, SUN, Xiangqian, HUANG, Wei, JIANG, Wei, PAN, Bingcai, LI, Aimin
Принадлежит:

A process method for synthesizing 1,5,7-triazabicyclo[5.5.0]dec-5-ene (TBD) in an autocatalytic amphipathic mixed solvent. In the process method in the present invention, di(3-amino propyl)amine and guanidine hydrochloride are used as raw materials, and the TBD is synthesized in the hydrophilic-hydrophobic amphipathic mixed solvent at a high yield by using trace TBD (0.001%-0.005%) as a catalyst. The method has the characteristics that the process operations are simple and convenient, the yield of the target product is high (≥95.0%), and the product purity is high (≥98.0%).

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Номер записи: 8
18-01-2018 дата публикации

MESOPOROUS NANOCOMPOSITE RESIN MATRIX, AND MANUFACTURING METHOD AND APPLICATION THEREOF

Номер: WO2018010417A1
Автор: PAN, Bingcai, ZHANG, Xiaolin, PAN, Siyuan, CHENG, Cheng, CHEN, Zefang
Принадлежит:

Mesoporous nanocomposite resin matrix, and manufacturing method thereof and application of same in water treatment. The nanocomposite resin matrix has a scaffold with a specific surface area of 50-300 m2/g and a pore diameter of 5-40 nm. The resin matrix scaffold is an aminated polystyrene, and comprises a nanoparticle. A composite is prepared by using the steps of: mixing and melting a linear macromolecular polymer with specified quantities of a (chloromethyl)polystyrene or polyvinyl chloride, then adding a nanoparticle; and performing pre-mixing cold crystallization and pore formation-cross amination. The composite material has the features of an extensive porous structure, structural stability, easily controllable synthesis process, and the like.

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Номер записи: 9
15-03-2018 дата публикации

METHOD FOR SYNTHESIZING GLYCOLIDE

Номер: WO2018045941A1
Автор: LI, Hong, ZHANG, Quanxing, SHENG, Jiaye, HUANG, Wei, JIANG, Wei, LI, Aimin, PAN, Bingcai
Принадлежит:

A method for synthesizing glycolide, comprising: forming a binary composite catalytic system using a nontoxic cyclic organic guanidine compound and a nontoxic linear organic guanidine compound; and synthesizing high-purity (≥ 99.9%) glycolide in high yield (≥ 98.0%) using an aqueous glycolic acid solution having a content of 70% by mass as a raw material by means of reactive vacuum distillation. According to the present invention, since the binary composite catalytic system used comprises nontoxic, metal-free and non-cytotoxic organic guanidine compounds, the catalytic efficiency is high and the use amount is small; the synthesized glycolide has high yield and high purity; by using a solvent-free and closed circulation process, emission of three wastes is avoided, the technological process is simplified, and industrialization implementation is facilitated.

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Номер записи: 10
20-09-2012 дата публикации

PROCESS FOR SYNTHESIZING MEDICAL BIODEGRADABLE POLYLACTIC ACID BY CREATININE CATALYSED LACTIC ACID CONDENSATION

Номер: WO2012122807A1
Автор: LI, Hong, ZHANG, Quanxing, JIANG, Wei, HUANG, Wei, PAN, Bingcai
Принадлежит:

A process for synthesizing medical biodegradable polylactic acid by creatinine catalysed lactic acid condensation, comprising (A) using 85-90% aqueous lactic acid solution as a monomer, feeding the lactic acid into a reaction kettle, then repeating the operation of evacuation-argon filling three times, heating the reaction kettle to 130-150°C under an argon atmosphere and a normal pressure to perform dehydration for 1-6 hrs, reducing the pressure in the reaction kettle to 100 Torr and continuing the reaction for 1-6 hrs at 130-150°C, then reducing the pressure in the reaction kettle to 30 Torr and continuing the reaction for 1-6 hrs at 130-150°C to synthesize the oligomeric lactic acid, and (B) using the oligomeric lactic acid as the raw material and a commercial creatinine as a catalyst, controlling the molar ratio of creatinine to lactic acid at 1 : 590, feeding the catalyst creatinine into the reaction kettle, then reducing the pressure in the reaction kettle to 10 Torr and increasing ...

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Номер записи: 11
16-08-2012 дата публикации

METHOD FOR REGULATING DISTRIBUTION OF METAL NANO-PARTICLES IN RESIN CARRIER

Номер: WO2012106854A1
Автор: PAN, Bingcai, JIANG, Zhenmao, ZHANG, Weiming, LV, Lu, XIE, Yingmei, ZHANG, Quanxing
Принадлежит:

Disclosed is a method for regulating distribution of metal nano-particles in a resin carrier, which comprises using an ion exchange resin or adsorption resin with an alkali functional group as carrier; loading the resin carrier with the metal, in form of complex anion, via ion exchange; then regulating the distribution of the metal and the compound thereof on the resin carrier by changing the concentration, reaction time and the like of a settling agent or reducing agent in the aqueous solution, wherein the metal nano-particles regulated by the method shows annular distributions of different thicknesses and densities on the resin carrier.

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Номер записи: 12
11-03-2010 дата публикации

METHOD FOR DEEPLY PURIFYING MICRO-PHOSPHORUS IN WATER BY COMPOSITE RESIN

Номер: WO2010025617A8
Автор: PAN, Bingcai, PAN, Bingjun, ZHANG, Qingjian, QIU, Hui, ZHANG, Weiming, SU, Qing, CHEN, Xinqing, ZHANG, Quanxing
Принадлежит:

A method for deeply purifying micro-phosphorus in water by composite resin is provided. The pH value of water is firstly adjusted to between 5.0 and 9.0 for filtration, then the filtrate passes through an absorption tower filled with composite resin materials to make the micro-phosphorus in water be adsorbed on the composite resin. The adsorption is stopped when the adsorption reaches the leakage point, and a mixed solution of NaOH and NaCl serves as a desorption agent for desorption and regeneration, then CO2 saturated solution is used to leach the absorption tower filled with composite resin materials for regenerating resin. The method has good treatment effect and large treatment capacity, and the materials are renewable and recyclable.

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Номер записи: 13
03-01-2013 дата публикации

HIGH MOLECULAR WEIGHT POLYLACTIC ACID SYNTHESIZED BY USING METHOD FOR SYNTHESIZING AND CATALYTICALLY-POLYCONDENSING BIONIC CREATININE GUANIDINIUM CHLORIDE

Номер: WO2013000226A1
Автор: LI, Hong, ZHANG, Quanxing, HUANG, Wei, JIANG, Wei, ZONG, Xupeng, PAN, Bingcai
Принадлежит:

Disclosed is a high molecular weight polylactic acid synthesized by using a method for synthesizing and catalytically-polycondensing bionic creatinine guanidinium chloride. Creatinine is used as the material in a reaction with aqueous hydrochloric acid to synthesize a bionic creatinine guanidinium salt catalyst, creatinine guanidinium chloride (CR·Cl). The creatinine guanidinium chloride synthesized is used as a catalyst, an industrial grade lactic acid (LA, 85% to 90%, aqueous) is used as a monomer, a solvent-free second-degree polycondensation method is used for synthesis, and the biosafety high molecular weight polylactic acid that is metal-free and without toxic residue is acquired.

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Номер записи: 14
24-05-2018 дата публикации

IRON-CONTAINING COMPOSITE REAGENT IN SUSPENSION LIQUID STATE, PREPARATION METHOD THEREFOR AND METHOD FOR EFFICIENTLY REMOVING SELENATE FROM WATER

Номер: WO2018090742A1
Автор: PAN, Bingcai, SHAN, Chao, YANG, Zhe, JIA, Huichao, CHEN, Jiajia
Принадлежит:

Disclosed is a preparation method for a suspension liquid-state iron-containing composite reagent. The steps are: (1) diluting a hydrogen peroxide solution; (2) adjusting the pH value of the diluted hydrogen peroxide solution with hydrochloric acid; and (3) adding a zero-valent iron powder for a reaction, so as to obtain the suspension liquid-state iron-containing composite reagent, wherein the molar ratio of hydrogen peroxide to zero-valent iron is between 0.2 and 0.8. Also disclosed are an iron-containing composite reagent in a suspension liquid state and a method for removing selenate from water.

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Номер записи: 15
24-01-2013 дата публикации

SUPPORTED NANOSCALE BIMETALLIC COMPOSITE CATALYST AND PREPARATION METHOD THEREOF

Номер: WO2013010357A1
Автор: PAN, Bingcai, YANG, Lei, ZHANG, Shujuan, ZHANG, Weiming, LV, Lu
Принадлежит:

Provided are a supported nanoscale bimetallic composite catalyst and a preparation method thereof. The catalyst is prepared as follows: using an ion exchange resin and an absorbent resin with basic functional groups as carriers, adding a first metal precursor FeCl4- and a second metal precursor such as PdCl42-, NiCl42-, and CuCl42- successively to the resins through exchange, then under the protection of nitrogen gas, reducing two metals at the same time using NaBH4 or KBH4, and finally washing the catalyst using anaerobic water and drying the catalyst. In the prior art, the supported catalyst is made by reducing the second metal using zero-valent iron, and two metals in the supported catalyst are interdependent. Unlike the prior art, two metals in carriers in the supported bimetallic catalyst made according to this method are distributed independently. The structure of two metals independently distributed can improve the catalytic efficiency of the second metal and the stability of the ...

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Номер записи: 16
28-01-2016 дата публикации

PROCESS METHOD FOR SYNTHESIZING POLY(BUTYLENE SUCCINATE-CO-BUTYLENE ADIPATE) CATALYZED BY BIOMASS CREATININE

Номер: WO2016011939A1
Автор: LI, Hong, ZHANG, Quanxing, CHENG, Na, ZHANG, Tianrong, JIANG, Wei, PAN, Bingcai
Принадлежит:

A process method for synthesizing poly(butylene succinate-co-butylene adipate) (PBSA) using biomass creatinine as the primary catalyst. The method uses succinic acid, adipic acid and 1,4-butylene glycol as the raw materials, and adopts the effective complex catalyst system consisting of biomass bionic organic guanidine creatinine compounds (the primary catalyst) and ortho titanate esters (the cocatalyst). The present invention has the following characters: the catalytic efficiency of the two-component catalyst system is high, and the amount of catalysts used is less and is only one ten-thousandth to one ten-millionth of the starting monomer added, and thus greatly reduces the residue of catalysts in the PBSA polymer, improves the heat stability of the materials, broadens the application range thereof in the fields of food, medicine and agriculture, and reduces the production cost.

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Номер записи: 17
13-09-2012 дата публикации

DEEP PURIFICATION METHOD FOR REMOVING TRACE THALLIUM IN WATER BY POLYMER-BASED NANOSIZED MANGANESE OXIDE

Номер: WO2012119344A1
Автор: LV, Lu, WAN, Shunli, PAN, Bingcai, ZHANG, Weiming, AN, Dong
Принадлежит:

A deep purification method for removing trace thallium in water by a polymer-based nanosized manganese oxide is provided, which includes the following steps: adjusting pH of the water contaminated by trace thallium to 5～8.5, and filtrating it; passing the treated water through a packed tower or a filter bed filled with the polymer-based nanosized manganese oxide for selectively adsorbing the thallium in the water by the nanocomposites; stopping the adsorption when the thallium content in the adsorbed effluent reaches a leak point, and desorpting and regenerating the packing by a mixed solution of HCl and Ca(NO3)2 as a desorption agent. In the method, when in the water the concentration of the coexistent cation such as Ca2+, Mg2+, Na+, Si(Ⅳ), etc. is much higher than that of the thallium, the deep purification for removing trace thallium in the water and security control of water quality can still be achieved, so as to drop the thallium content in the water from 0.01-0.05mg/L to less than ...

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Номер записи: 18
30-10-2014 дата публикации

TECHNOLOGICAL METHOD FOR SYNTHESIZING OPTICAL PURE L-/D-LACTIDE BY USING BIOMASS ORGANIC GUANIDINE CATALYSIS METHOD

Номер: WO2014173047A1
Автор: LI, Hong, ZHANG, Quanxing, CHENG, Na, ZHANG, Tianrong, JIANG, Wei, HUANG, Wei, PAN, Bingcai
Принадлежит:

A technological method for synthesizing optical pure L-/D-lactide by using a biomass organic guanidine catalysis method. The method of the present invention comprises: by using biomass organic guanidine compound creatinine (CR) as a catalyst and L-/D-lactic acid (90% of mass content) as a raw material, synthesizing optical pure L-/D-lactide by using a reactive reduced pressure distillation catalysis method. The method of the present invention has advantages that the used catalyst is biomass organic guanidine compound creatinine and free of toxicity, metal, and cytotoxicity; the synthesized lactide is high in optical purity (the specific rotation of the L-lactide [α]25D=-276～-280, and the specific rotation of the D-lactide [α]25D=280), and does not contain any metal; the amount of the catalyst used in reaction is low, the technological process is simplified (a process for rectifying and purifying a crude lactide product by using a conventional method is prevented); and the technological ...

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Номер записи: 19
28-07-2023 дата публикации

Device for recovering oil substances from waste water of tank washing station

Номер: CN116495905A
Автор: LYU LU, XU HUIJUAN, GUO ZHICHENG, XU JINGSHENG, ZHANG WEIMING, PAN BINGCAI
Принадлежит:

The invention provides a device for recovering oil substances from waste water of a tank washing station, and belongs to the technical field of water treatment equipment. Comprising a pressure dissolved air unit, an air release unit, an air floatation tank, chain plate type slag scraping equipment and oil absorption recovery equipment, wherein the chain plate type slag scraping equipment and the oil absorption recovery equipment are arranged on the air floatation tank; the oil absorption and recovery equipment is added on the basis of a traditional air flotation machine, oil substances in waste water of the tank washing station can be gathered, adsorbed and recovered, the purposes of efficient oil removal and effective recovery are achieved, and the oil absorption and recovery equipment is simple in structure, convenient to operate and high in reliability; the oil scraping adjusting screw can rotate clockwise or anticlockwise through positive and negative rotation of the first driving motor ...

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Номер записи: 20
11-04-2023 дата публикации

Monolithic catalyst preparation method for improving active component loading capacity and intrinsic activity

Номер: CN115945223A
Автор: LYU LU, HUANG QIANLIN, ZHAO PUZHEN, ZHANG WEIMING, PAN BINGCAI
Принадлежит:

The invention provides a preparation method of a monolithic catalyst for improving the loading capacity and intrinsic activity of active components, which comprises the following steps: S1, sequentially cleaning a monolithic metal matrix in ethanol, acetone and 1mol/L hydrochloric acid for 5 minutes under an ultrasonic condition to remove organic matters and metal oxides on the surface, the preparation method comprises the following steps: cleaning a monolithic metal matrix, immersing the cleaned monolithic metal matrix in a 0.001-5mol/L metal cyanide solution, reacting at 25-50 DEG C for 0.1-5 hours, adding hydrochloric acid to adjust the pH value of the solution to 0-6, continuously reacting for 0.1-60 minutes, cleaning the reacted product with ethanol and water, and drying to obtain the PGA/monolithic metal matrix. And S2, immersing the PBA/monolithic metal matrix in the step S1 into 0.0001-4 mol/L of potassium permanganate solution, then reacting at 80-200 DEG C for 0.5-24 hours, cleaning ...

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Номер записи: 21
06-06-2023 дата публикации

Ferric iron complex as well as preparation method and application thereof

Номер: CN116212949A
Автор: YANG ZHICHAO, CUI YAODAN, PAN BINGCAI
Принадлежит:

The invention discloses a ferric iron complex and a preparation method and application thereof, the ferric iron complex is composed of ferric ions and a thiophene carboxylic acid ligand, and the ortho-position of a sulfur atom in a thiophene heterocyclic ring of the thiophene carboxylic acid ligand is a carboxylic acid group. The complex is prepared by stirring and mixing ferric ions and thiophene carboxylic acid ligands at room temperature, and the complex is mixed with hydrogen peroxide to generate organic pollutants such as oxides, triazine oxides, phenols, benzoic acids and antibiotics mainly containing hydroxyl radicals. Compared with a ferric iron/hydrogen peroxide system without the ligand, the oxidation rate is increased by more than 80 times. The ferric iron complex disclosed by the invention has a potential application prospect in the aspect of oxidizing and removing organic pollutants.

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Номер записи: 22