护面部安全帽

Method for preparing medium-viscosity PAO lubricating oil base oil from Fischer-Tropsch synthesis intermediate oil product

The invention provides a method for preparing medium-viscosity PAO lubricant base oil by using a Fischer-Tropsch synthesis intermediate oil product, which comprises the following steps: deoxidizing the Fischer-Tropsch synthesis intermediate oil product to obtain an oxygen-containing compound and a deoxidized Fischer-Tropsch synthesis intermediate oil product, and then fractionating the obtained deoxidized Fischer-Tropsch synthesis intermediate oil product to obtain the medium-viscosity PAO lubricant base oil. And carrying out polymerization reaction on the medium-temperature distillate oil and the high-temperature distillate oil, and then carrying out hydrofining reaction and fractionation treatment on the product to obtain the medium-viscosity PAO lubricating oil base oil. According to the method, the polymerization catalyst can be prepared by effectively utilizing the Fischer-Tropsch synthesis intermediate oil product, the economic and ecological benefits of Fischer-Tropsch synthesis ...

FISCHER-TROPSCH SYNTHESIS CATALYST CONTAINING NITRIDE SUPPORT, PREPARATION METHOD THEREFOR AND USE THEREOF

Disclosed are a Fischer-Tropsch synthesis catalyst, a preparation method therefor and the use thereof in a Fischer-Tropsch synthesis reaction. The catalyst comprises: an active component being at least one selected from Group VIIIB of transition metals; an optional auxiliary metal; and a nitride support having a high specific surface area. An active metal in the catalyst is supported on the nitride support having a high specific surface area such that the active component in the catalyst is highly dispersed. The catalyst has a high hydrothermal stability, an excellent mechanical wear resistance, a high Fischer-Tropsch synthesis activity and an excellent high-temperature stability.

FISCHER-TROPSCH SYNTHESIS FE-BASED CATALYST, PROCESS OF PREPARATION AND APPLICATION THEREOF

A kind of Fischer-Tropsch synthesis Fe-based catalyst, process of preparation and application thereof are provided. The catalyst comprises Fe, oxide of ⅠB group metal Cu and/or Ag as reducing promoter, ⅠA group metal Li, Na, K or Rb as electron promoter, Ⅷ group noble metal Ru, Rh, Pd or Pt as hydrogenation promoter and structure promoter SiO2. The process of preparation comprises the following steps: preparing solution of iron salt, coprecipitating rapidly with alkali compound, washing, pulping again, adding solution of reducing promoter ⅠB group metal salt, solution of ⅠA group metal salt and silicon sol, or adding solution of reducing promoter ⅠB group metal salt and silicate of ⅠA group metal, then spray-drying molding, impregnating in the solution of Ⅷ group noble metal salt, drying, sintering and obtaining the catalyst. The catalyst is fit for producing hydrocarbon through the process of low temperature Fischer-Tropsch synthesis. The process has high yield of heavy hydrocarbon. The ...

Method for preparing low-viscosity PAO lubricating oil base oil from Fischer-Tropsch synthesis intermediate oil product

The invention provides a method for preparing low-viscosity PAO lubricating oil base oil from a Fischer-Tropsch synthesis intermediate oil product, which comprises the following steps: deoxidizing the Fischer-Tropsch synthesis intermediate oil product, fractionating the obtained deoxidized Fischer-Tropsch synthesis intermediate oil product, mixing the obtained low-temperature distillate oil and medium-temperature distillate oil with a polymerization catalyst, and carrying out polymerization reaction to obtain the low-viscosity PAO lubricating oil base oil. The polymerization catalyst optionally contains a portion of the Fischer-Tropsch oxygenates previously removed. According to the method, the quality and diversity of PAO production raw materials are improved, multi-dimensional matching among products, raw materials and conditions can be formed based on flexible adjustment of product orientation, and reutilization of oxygen-containing compounds in the raw materials can be achieved.

FISCHER–TROPSCH SYNTHESIS CATALYST, PREPARATION AND APPLICATION THEREOF

Fe-based micro-ball catalyst for slurry bed Fischer–Tropsch synthesis comprises active component Fe, transition metal promoter M, structural promoter S and promoter K. Transition metal promoter M is one or more selected from Mn, Cr and Zn, and structural promoter S is SiO2 and/or Al2O3. The weight ratio of the catalyst components is Fe: transition metal promoter: structural promoter: K = 100: 1-50: 1-50: 0.5-10. Preparation method of the catalyst comprises: adding structural promoter S to the mixed Fe/M nitrate solution, then co-precipitating with ammonia water to produce slurry, filtering and washing the slurry to produce filter cake, adding promoter K and water to the filter cake, slurrying and spray drying, and calcining to produce Fe-based micro-ball catalyst for slurry bed Fischer–Tropsch synthesis. The catalyst has good anti-wear characteristic and narrow particle size distribution, furthermore, it brings high conversion capability of synthesis gas, good product selectivity and high ...

METHOD AND EQUIPMENT FOR MULTISTAGE LIQUEFYING OF CARBONACEOUS SOLID FUEL

Method for multistage transforming carbonaceous solid fuel to oil, includes mixing solid fuel (17) with heavy oil (40) and obtaining fuel-oil slurry; heating and dewatering of the slurry; hydro-liquefying of the slurry at low or middle pressure and obtaining light oil (25) and slurry of heavy oil and residues; hydrorefining the light oil (25) and obtaining refined oil; gasifying the slurry of heavy oil and residues in a gasifier (11) to obtain syngas (47); producing F-T synoil (52) with the syngas (47); hydrorefining and hydrocracking the F-T synoil (52) to obtain refined oil; mixing the refined oil from the F-T synoil with the refined oil from hydro-liquefying for producing high quality oil of low sulfur and low ammonia and other chemical product. The method can be applied to various kinds of coal and biomass, especially applied to lignite and biomass. A suspending bed reactor for hydro-liquefying of carbonaceous solid fuel is also disclosed.

POROUS CARBON-SUPPORTED FISCHER-TROPSCH SYNTHESIS CATALYST, PREPARATION METHOD THEREFOR, AND USE THEREOF

Disclosed are a porous carbon-supported Fischer-Tropsch synthesis catalyst, a preparation method therefor, and the use thereof. The catalyst comprises an active phase metal and a porous carbon support, wherein the porous carbon support is porous graphite or a graphene nanocapsule; the active phase metal is entrapped within a cavity of the porous graphite or the graphene nanocapsule; and the active phase metal is at least one selected from the transition metals in Group VIIIB.

一种用于合成气制取重质烃的催化剂及其制备方法和应用

... 本发明公开了一种用于合成气制取重质烃的催化剂及其制备方法和应用，催化剂的重量百分比组成为：载体：50％-95％，金属钴：5％-50％。载体可以是纯硅六方中孔分子筛HMS或无定形二氧化硅。采用浸渍法将载体担载重量百分比为5-50％的钴，应用条件为：催化剂装入固定床反应器，原料气H#-[2]/CO(摩尔比)为1.5-3.5，优选1.8-2.2，反应温度150℃-300℃，优选180℃-260℃，反应压力0.1-5.0MPa，优选1.0-4.5MPa，原料气空速250-2500NL/(L・h)，优选350-1000NL/(L・h)。重质烃选择性高达88％，催化剂具有良好的稳定性。 ...

METHOD FOR CONTINUOUSLY PREPARING METAL OXIDES CATALYST AND APPARATUS THEREOF

A method for continuously preparing metal oxides catalyst comprises the following steps: dissolving metal materials using nitric acid solution to produce a metal nitrates solution, at the same time produce NOx and water vapor; hydrolyzing the metal nitrates solution by introducing pressurized superheated water vapor into the metal nitrates solution to obtain a metal oxide hydrates slurry as well as sour gases, the major constituents of the sour gases are NO2 , NO, O2 and water vapor; filtrating and drying the slurry to obtain metal oxide hydrates and / or metal oxides; and then utilizing the obtain metal oxide hydrates and / or metal oxides as raw material and preparing the metal oxides catalyst by the conventional method for preparing a catalyst. The NOx gases produced can be absorbed to produce nitric acid which can be reused. An apparatus used for preparing metal oxides comprises a metal nitrates solution preparation system, a metal nitrates solution hydrolysis system, a product preparation ...

Application of iron-based catalyst in hydrogenation upgrading of inferior/heavy oil slurry reactor

The invention discloses an application of an iron-based catalyst in hydrogenation upgrading of an inferior/heavy oil slurry reactor. According to the invention, a precipitant, an iron salt and/or an additive are oppositely sprayed into a suspension molding tower, raw materials are impacted and mixed to form catalyst precursor fog drops, and then superfine high-dispersion powder is formed as the iron-based catalyst. The inferior/heavy oil comprises original geological reservoir oil, by-product heavy oil in petroleum refining and processing processes, heavy oil and asphalt extracted from oil sand and oil shale, and by-product tar in a heavy hydrocarbon raw material hot processing process. By adjusting the temperature gradient and atmosphere in the tower, the phase of the catalyst can be effectively controlled, in the hydrogenation upgrading reaction process, when the catalyst is in contact with a reactant (heavy/inferior oil), the catalyst is in an optimal active state, and the hydrogenation ...

Catalyst for catalyzing epoxidation reaction of long-chain alpha-olefin and preparation method thereof

The invention discloses a heterogeneous catalyst for catalyzing epoxidation reaction of long-chain alpha-olefin and a preparation method of the heterogeneous catalyst. Wherein the catalyst comprises an active component and a carrier, the active component is CuO nanoparticles, the carrier is porous Al2O3 with the specific surface area of 100 m < 2 >/g to 300 m < 2 >/g, and the carrier is one or more of alpha-Al2O3, beta-Al2O3 and gamma-Al2O3. The heterogeneous catalyst provided by the invention can catalyze the epoxidation reaction of long-chain alpha-olefin and oxygen to prepare high-carbon epoxide. The catalyst disclosed by the invention has the advantages of good catalytic activity, target product selectivity and economical efficiency, and the reaction condition of a corresponding catalytic system is mild, so that the catalyst is very suitable for industrial application.

FISCHER-TROPSCH CATALYST, PREPARATION METHOD AND APPLICATION THEREOF

A microspheric iron-based catalyst and the preparation method thereof are disclosed. The catalyst contains potassium promoter and at least one transitional metal promoter M selected from one or more of Cr, Cu, Mn and Zn. It also contains structural promoter S which is SiO2 and/or Al2O3 modified by MoO3, TiO2 and/or ZrO2. The weight ratio of components is Fe : M : K: S = 100 : 3-50 : 1-8 : 3-50, in which the metal components are calculated based on metal elements, the structural promoters are calculated based on oxides. The catalyst is prepared by coprecipitation method..

Method and device for co-production of low-carbon olefin and high-octane gasoline by Fischer-Tropsch synthesis product

The invention provides a method for co-producing low-carbon olefin and high-octane gasoline from a Fischer-Tropsch synthesis product and a device for implementing the method. According to the method, different Fischer-Tropsch synthesis products are respectively fed into three reactors connected in series, the first reactor is mainly used for treating Fischer-Tropsch low-carbon saturated hydrocarbons, and a catalytic thermal cracking reaction is carried out; the second reactor is mainly used for treating Fischer-Tropsch light oil and carrying out catalytic cracking reaction; and the third reactor is mainly used for treating Fischer-Tropsch heavy oil and carrying out catalytic cracking and aromatization reaction, so that the aim of co-producing low-carbon olefin and high-octane gasoline at relatively high yield is fulfilled. Particularly, the method provided by the invention can be used for obtaining the low-carbon olefin at the yield of 39% or above and obtaining 34% or above of gasoline ...

Unit for forming hexagonal boron stainless steel pipe

The invention discloses a unit for forming hexagonal boron stainless steel pipes, which relates to the field of special-shaped pipe forming devices and comprises a base, five groups of deformation units, a heating furnace, a biting rack, a leading-in unit, a straightening machine, a feeding rack and a discharging rack. A heating furnace, a gripping rack and a leading-in unit are sequentially arranged on the left side of the deformation unit, a straightening machine is arranged on the right side of the deformation unit, and a feeding rack and a discharging rack are arranged on the left side and the right side of the machine base respectively. The device not only has all production capacity of an existing drawing type unit, but also ensures the precision of the boron stainless steel hexagonal pipe in the machining process, is high in automation degree, can realize continuous roll bending and rolling, and greatly improves the production efficiency.

Method for preparing normal aldehyde through alpha-olefin hydroformylation

The invention provides a method for preparing normal aldehyde through hydroformylation of alpha-olefin, a preparation method of a heterogeneous catalyst, a heterogeneous catalyst composition and application of the heterogeneous catalyst composition to preparation of normal aldehyde through hydroformylation reaction of alpha-olefin. The invention also relates to the use of the catalyst for increasing the normal/isomeric ratio of normal aldehyde to isomeric aldehyde in an aldehyde product prepared by hydroformylation of alpha-olefin to 70 or more. According to the normal aldehyde preparation method disclosed by the invention, the ligand for modifying the catalyst is mixed with the solvent, the catalyst and the reaction raw materials, and the catalyst modification and the catalytic reaction are synchronously carried out in the reaction process, so that the defect that the catalytic ligand is easy to fall off in the conventional process is avoided, and high n-iso-ratio product distribution ...

Method and device for co-producing low-carbon olefin and aromatic hydrocarbon by Fischer-Tropsch synthesis product

The invention provides a method for co-producing low-carbon olefin and aromatic hydrocarbon from a Fischer-Tropsch synthesis product and a device for implementing the method. According to the method, different Fischer-Tropsch synthesis products are respectively fed into three reactors connected in series, the first reactor is mainly used for treating Fischer-Tropsch low-carbon saturated hydrocarbons, and a catalytic thermal cracking reaction is carried out; the second reactor is mainly used for treating Fischer-Tropsch light oil and carrying out catalytic cracking reaction; the third reactor is mainly used for treating Fischer-Tropsch heavy oil and carrying out catalytic cracking and aromatization reaction, so that the aim of co-producing low-carbon olefin and aromatic hydrocarbon at a relatively high yield is fulfilled. Especially, according to the method disclosed by the invention, the low-carbon olefin can be obtained at the yield of 39% or above, and meanwhile, the aromatic hydrocarbon ...

Method for preparing 1, 3-cyclopentanediol by using cyclopentadiene as raw material

The invention provides a method for preparing 1, 3-cyclopentanediol by using cyclopentadiene as a raw material and an equipment system for implementing the method.The method comprises the steps that cyclopentadiene, peroxide and organic acid are mixed to be subjected to a hydroxylation reaction, and a hydroxylated mixed intermediate product is obtained; rectifying the hydroxylated mixed intermediate product to obtain a hydroxylated mixed product and an organic acid aqueous solution; reacting the hydroxylated mixed product with hydrogen under the action of a hydrogenation catalyst to obtain a hydrogenated mixed alcohol product; and rectifying the hydrogenated mixed alcohol product to obtain the high-purity 1, 3-cyclopentanediol. The method disclosed by the invention is mild in reaction condition and efficient and environment-friendly in process, and 1, 3-cyclopentanediol can be obtained at high yield.

Heavy carbon-containing raw material slurry bed hydrogenation iron-based catalyst and preparation method thereof

The invention discloses a heavy carbon-containing raw material slurry bed hydrogenation iron-based catalyst and a preparation method thereof. The preparation method of the slurry reactor iron-based catalyst comprises the following steps: S1, preparing slurry; S2, preheating airflow gas, and introducing the preheated airflow gas into a suspension forming tower to form upward airflow; s3, the slurry is fed into a suspension forming tower in the form of fog drops, the fog drops suspend downwards and are in cross-flow contact with upward airflow, and catalyst powder is formed through a desolventizing process or a desolventizing and phase conversion process and falls to the bottom of the suspension forming tower. The method comprises the following steps: feeding catalyst slurry into a suspension forming tower in the form of fog drops, enabling the fog drops to be in cross-flow contact with upstream hot air in a suspension descending process, and carrying out desolvation or desolvation and phase ...

Method and system for treating Fischer-Tropsch synthesis reaction water

The invention provides a method for treating Fischer-Tropsch synthesis reaction water and a system for implementing the method, which can treat the Fischer-Tropsch synthesis reaction water in a recycling and reducing manner. The method comprises the following steps: carrying out oil/solid removal pretreatment on the Fischer-Tropsch synthesis reaction water to be treated, carrying out alcohol acid conversion, removing acid organic matters and carrying out cavitation deep treatment. According to the treatment method of the Fischer-Tropsch synthesis reaction water, oxygen-containing compounds in the Fischer-Tropsch synthesis reaction water can be reasonably recycled, and the Fischer-Tropsch synthesis reaction water is subjected to reasonable advanced treatment, so that the Fischer-Tropsch synthesis reaction water reaches the sewage discharge standard; therefore, the problems of low recycling degree, low utilization rate, unreasonable mode, incomplete reduction degree, secondary pollution and ...

一种费托合成用铁基催化剂及其制备方法

... 一种费托合成用铁基催化剂的制备方法，采用廉价的硫酸亚铁原料，通过氧化剂H#-[2]O#-[2]氧化获得硫酸铁溶液，然后与硝酸镧和铜盐混合溶液混合，用碱性化合物进行快速共沉淀，沉淀浆液洗涤后，料浆进一步加入不同模数的硅酸钾水玻璃溶液，然后喷雾干燥制得铁基催化剂，或烘干焙烧后压片成型制得适于固定床反应器的铁基催化剂。该制备方法成本低，适合于工业连续化大规模生产，且制得的催化剂既可用于固定床费托合成反应，又可用于浆态床费托合成反应。 ...

Wax oil hydrocracking device and method for processing hydrofined wax oil and slurry bed wax oil

The invention discloses a wax oil hydrocracking device and a method for processing hydrofined wax oil and slurry bed wax oil. The method comprises the following steps: adding hydrogen wax oil, catalytic diesel oil and coker diesel oil into a feed port of a high-pressure reaction feed pump, and mixing the hydrogen wax oil, the catalytic diesel oil and the coker diesel oil with atmospheric and vacuum light wax oil to form a mixed raw material; or adding atmospheric and vacuum light wax oil, and doping 10.5% of slurry reactor wax oil to form a mixed raw material; pressurizing, heating, and feeding into a hydrofining reactor and a hydrocracking reactor; carrying out gas-liquid separation on the obtained cracking reaction product in a system consisting of a hot high-pressure component, a hot low-pressure component, a cold high-pressure component and a cold low-pressure component to obtain reaction generated oil; obtained reaction generated oil enters a hydrogen sulfide stripping tower to remove ...

High-dispersion iron-based catalyst for hydro-liquefaction of solid hydrocarbon raw material and preparation method of high-dispersion iron-based catalyst

The invention discloses a high-dispersion iron-based catalyst for hydro-liquefaction of a solid hydrocarbon raw material and a preparation method of the high-dispersion iron-based catalyst. The preparation method of the iron-based catalyst comprises the following steps: S1, preparing a solution of ferric salt and a solution of a precipitator, and respectively mixing with an additive to obtain mixed slurry 1 and 2; s2, working gas is preheated and then introduced into the suspension forming tower, and upward airflow is formed; s3, a solution of the mixed slurry 1 and the precipitant and a solution of the mixed slurry 2 and the ferric salt pass through a pumping device to form reaction raw materials 1 and 2 under pressure; and S4, feeding the under-pressure reaction raw materials 1 and 2 into a suspension forming tower in the form of fog drops, oppositely spraying the under-pressure reaction raw materials 1 and 2 into the upper space of the suspension forming tower, carrying out impact mixing ...

Method for preparing high-viscosity PAO lubricant base oil

The invention provides a method for preparing high-viscosity PAO lubricant base oil, which comprises the following steps: deoxidizing a Fischer-Tropsch synthesis intermediate oil product to obtain a Fischer-Tropsch oxygen-containing compound and a deoxidized Fischer-Tropsch synthesis intermediate oil product; and then fractionating the deoxidized Fischer-Tropsch synthesis intermediate oil product, carrying out polymerization reaction on the obtained medium-temperature distillate oil and high-temperature distillate oil under the action of a polymerization catalyst, and further treating the product to obtain the high-viscosity PAO lubricating oil base oil. According to the method, the Fischer-Tropsch synthesis intermediate oil can be effectively utilized, the economic benefit is improved, flexible modulation based on product orientation is realized, and the quality and diversity of PAO production raw materials are improved.