Non-crystal catalyst for hydrogenating benzene and its preparing process

The present invention relates to non-crystalline catalyst used in preparation of cyclohexane by bezene hydrogenation. Said catalyst is composed of (wt. ratio) nickel 1, boron 0.005-1.74, metallic additive M 0-30, porous carrier material L 0.42, M and L cannot be zero at the same time. Said nickel mainly is Ni-B or Ni-M-B non crystalline alloy, M is one or several of Cr, Mo, W, Fe, Co, Cu, L is one or several of porous inorganic oxide, active carbon, and one or several of molecular sieves. Said catalyst is obtained by removing inpurities after ions reduction, and possesses much higher benzene hydrogenation activity than conventional Raney nickel and Ni/gamma-Al2O3.

Multi-stage orderedly arranged ZSM-5 nano rod bundle and preparation method thereof

The present invention belongs to the technical field of chemical engineering and relates, in particular, to a hierarchically arrayed ZSM-5 nano-rod bundle material and also to a preparing process thereof. The material has a bundle structure in large size; the rod bundle is very ordered in shape and consists of a plurality of flat strip-shaped ZSM-5 nano-rods arranged and piled in order along the c axis ([001]direction) thereof and thereby forms a hierarchically ordered structure. The material is prepared with hydrothermal one-step synthesis, which, more specifically, comprises crystallization of zeolite synthesizing solution under routine crystallizing conditions with water glass as the silicon source, with the porous metallic Raney Ni obtained after metallic aluminum extraction of nickel-aluminum alloy by sodium hydrate solution as the structure inductor and with ethylamine as micro-porous templates.

Method for preparing catalyst used in method for preparing ethanediol by dimethyl oxalate hydrogenation

The invention relates to the field of chemical technology, in particular to a method for preparing a catalyst for hydrogenating dimethyl oxalate to prepare glycol. The method comprises the following steps: step one, copper nitrate is used to prepare a cuprammonium complex compound; step two, the cuprammonium complex compound is added with a mesoporous silica molecular sieve, is dripped with distilled water, and is filtered, washed, dried and roasted to prepare a catalyst precursor; and step three, the catalyst precursor is reduced in a hydrogen-nitrogen mixed atmosphere to prepare the catalyst. In the catalyst, according to mass percentage, the content of copper is between 5 and 40 percent; and the content of the mesoporous silica molecular sieve is between 60 and 95 percent. The method has the advantages that a silicon copper catalyst prepared through the new method has high catalytic activity and glycol selectivity in the reaction of hydrogenating the dimethyl oxalate to prepare theglycol ...

Method for increasing the activity of copper-based catalyst in water-gas shift reaction

The invention belongs to the inorganic chemical industry technical field, in particular to a method for increasing the activity of copper-based catalyst in water-gas shift reaction, comprising the following steps: after the reduction of the copper-based catalyst or reducing the copper-based catalyst for a period of time, lowering the temperature of catalyst bed to less than 100 DEG C under a water-bearing gas atmosphere and keeping temperature for a period of time, and then heating the temperature of catalyst bed to more than 100 DEG C to reach the aim of increasing the activity of catalyst. The reactivation process can be processed in in-situ reactions. The invention has a good application prospect in fuel cell system.

一种氧化铝纳米纤维的制备方法

The preparation of nano aluminum oxide fiber includes sol-gel process to prepare aluminum gel, supercritical ethanol fluid drying to prepare precursor of nano aluminum oxide fiber, and roasting the precursor in a muffle furnace to prepare nano aluminum oxide. X-ray powder diffraction analysis shows that roasting the precursor at 1000 deg.c results in eta-Al2O3 while roasting the precursor at 1200 deg.c results in theta-Al2O3. High resolution transmissive electronic microscope analysis shows that roasting the precursor at 800 deg.c can obtain nano aluminum oxide fiber of 2 nm diameter and 20nm length. The nano aluminum oxide fiber has wide application and may be used as ceramic material, heat isolating material, latent functional material, etc.

Benzene hydrogenation non-crystalline state nickel-base catalyst with high sulfidation resistance and its preparing method

The invention relates to chemical engineering field, concretely, to produce a new amorphous state Ni base catalyst with high sulfur-proof performance for reaction using benzene hydrogenation to produce cyclohexane. The catalyst is made up with nickel, boron, metallic addition M and carrier N. Thereinto, nickel exists in Ni-B or Ni-M-B amorphous alloy. M is selected from La, Cr, Eu, Gd, Mo and Fe. N is selected from multiporous inorganic oxide, active carbon and molecular sieve. Computing carrier weight as 1, weight of every component is: nickel: 0.01-0.50, boron: 0.0.-0.10 and M: 0-0.50. The catalyst is obtained by deoxidizing Ni2+ ion and M existing in chloride or acid radical anion and removing impurities. The invention has a simple producing process, low cost and better sulfur-proof performance.

Supported nano Au catalyst for preparing crotyl alcohol and preparation method thereof

The invention belongs to the chemical technical field and particularly relates to a supported nano Au catalyst for preparing crotyl alcohol by crotonic aldehyde selective hydrogenation and a preparation method thereof. The catalyst is prepared by using mesoporous titanium dioxide microballoons having core-shell structures as the carrier and loading the active constituents, nano Au, to the titanium dioxide microballoons by the deposition-precipitation method. The catalyst has the characteristics that the active constituents are highly dispersed, and the mol ratio of the titanium dioxide to the active constituents is 23.0-305.7. Compared with the nano Au catalyst supported by the commercial titanium dioxide carrier P25, the Au/TiO2 microspherical catalyst shows higher selectivity of target products in the reaction of preparing crotyl alcohol by crotonic aldehyde selective hydrogenation, thereby having important industrial application value.

Catalyst for preparing 1,4-butanediol or tetrahydrofuran from selective hydrogenation of dimethyl maleate and preparation method thereof

The invention belongs to the field of chemical technology, and in particular relates to a catalyst for preparing 1, 4-butanediol or tetrahydrofuran by selective hydrogenation of dimethyl maleate and a preparation method thereof. The catalyst consists of Cu, Zn, Al, M and O, and the mol content of each metal element is as follows: 30 to 60 percent of Cu, 10 to 50 percent of Zn, 5 to 20 percent of Al and 0 to 10 percent of M, wherein M is any one of Mn, Mg and Cr. The preparation method for the catalyst comprises precipitation, ageing, washing, drying and baking of a catalyst precursor, and reduction activation before use. The catalyst is applied to the hydrogenation reaction of the dimethyl maleate, and the yield of the 1, 4-butanediol at a reaction temperature of 180 DEG C is 73.6 percent; and the yield of the tetrahydrofuran is 96 percent at a reaction temperature of 220 DEG C. Product composition of the catalyst can be well adjusted by changing the reaction condition to adapt to different ...

Method for preparing iron-carbon microsphere material and use thereof

The invention belongs to the field of material science, and relates to a method for preparing an iron-carbon microsphere material, in particular to a method for preparing an iron-carbon microsphere material for Fischer-Tropsch synthesis. The iron-carbon microsphere material is prepared from aqueous solution containing saccharides and ferric salts under the hydrothermal condition by a one-step reaction, and has a unique microstructure that iron oxide nano particles are dispersed into carbon microspheres uniformly. When used for the Fischer-Tropsch synthesis, a catalyst prepared from the iron-carbon microsphere material has the advantages of higher selectivity and stability and the like of hydrocarbon having over five carbon atoms compared with an unmodified iron catalyst reported in the prior art.

苯乙酮加氢非晶态镍硼催化剂及其制备方法

The present invention belongs to the field of chemical technology, and is new type of amorphous catalyst for acetophenone hydrogenating process to prepare phenethyl alcohol and its preparation process. The catalyst consists of Ni, B, metal additive M and carrier material L, where, Ni exists mainly in Ni-B or Ni-M-B amorphous alloy form and the metal additive M is one of Sn, Cr, Mo, W, Fe, Co and La. The catalyst is prepared through reducing metal ion and subsequent impurity elimination. The catalyst is used for acetophenone hydrogenating process to prepare phenethyl alcohol, and has simple preparation process, relatively low cost and much higher acetophenone hydrogenating activity and selectivity compared with traditional industrial Rancy Ni catalyst.

Method for preparing catalyst used in method for preparing ethanediol by dimethyl oxalate hydrogenation

The invention relates to the field of chemical technology, in particular to a method for preparing a catalyst for hydrogenating dimethyl oxalate to prepare glycol. The method comprises the following steps: step one, copper nitrate is used to prepare a cuprammonium complex compound; step two, the cuprammonium complex compound is added with a mesoporous silica molecular sieve, is dripped with distilled water, and is filtered, washed, dried and roasted to prepare a catalyst precursor; and step three, the catalyst precursor is reduced in a hydrogen-nitrogen mixed atmosphere to prepare the catalyst. In the catalyst, according to mass percentage, the content of copper is between 5 and 40 percent; and the content of the mesoporous silica molecular sieve is between 60 and 95 percent. The method has the advantages that a silicon copper catalyst prepared through the new method has high catalytic activity and glycol selectivity in the reaction of hydrogenating the dimethyl oxalate to prepare the glycol ...

乳酸乙酯加氢合成1，2-丙二醇用的催化剂及其制备方法

A catalyst for synthesizing 1,2-propanediol by hydrogenating ethyl lactate contains Ru as active component, potassium (or sodium) borohydride as reducer, and carrier or not, and is prepared by improved chemical reduction method. Its advantages are high activity and selectivity, simple post-treating, and no environmental pollution.

Catalyst for preparing 1,4-butanediol or tetrahydrofuran from selective hydrogenation of dimethyl maleate and preparation method thereof

The invention belongs to the field of chemical technology, and in particular relates to a catalyst for preparing 1, 4-butanediol or tetrahydrofuran by selective hydrogenation of dimethyl maleate and a preparation method thereof. The catalyst consists of Cu, Zn, Al, M and O, and the mol content of each metal element is as follows: 30 to 60 percent of Cu, 10 to 50 percent of Zn, 5 to 20 percent of Al and 0 to 10 percent of M, wherein M is any one of Mn, Mg and Cr. The preparation method for the catalyst comprises precipitation, ageing, washing, drying and baking of a catalyst precursor, and reduction activation before use. The catalyst is applied to the hydrogenation reaction of the dimethyl maleate, and the yield of the 1, 4-butanediol at a reaction temperature of 180 DEG C is 73.6 percent; and the yield of the tetrahydrofuran is 96 percent at a reaction temperature of 220 DEG C. Product composition of the catalyst can be well adjusted by changing the reaction condition to adapt to different ...

Amorphous catalyst containing cobalt and boron used in cinnamyl alcohol preparation by virtue of hydrogenation on cinnamic aldehyde and preparation method thereof

The invention belongs to the chemical technical field, in particular to an amorphous catalyst containing cobalt and boron used in cinnamyl alcohol preparation by virtue of hydrogenation on cinnamic aldehyde and a preparation method thereof. The catalyst is composed of cobalt, boron and metal or metallic oxide modifier Fe. Cobalt is mainly existed in Co-B or Co-Fe-B amorphous alloy form, and the amorphous alloy contains 1 part of cobalt, 0.08-0.20 part of boron and 0-1.15 parts of Fe by weight proportion. The catalyst is made by the steps that Co2+ ion and oxidized Fe are reduced by BH4- ion and foreign ion is removed. Being applied to reaction for preparing cinnamyl alcohol by selective hydrogenation on cinnamic aldehyde, the catalyst has the advantages of simple operation and higher cinnamic aldehyde hydrogenation selectivity.

High-performance environmentally-friendly copper-bismuth dual-metal bearing material and manufacturing method thereof

The invention discloses a high-performance environmentally-friendly copper-bismuth dual-metal bearing material and a manufacturing method thereof and aims to provide a high-performance environmentally-friendly copper-bismuth dual-metal bearing material without containing lead which is harmful to a human body and a manufacturing method thereof. The high-performance environmentally-friendly copper-bismuth dual-metal bearing material is prepared by sintering a steel plate and a copper-based alloy wear-resisting layer and is characterized in that the copper-based alloy wear-resisting layer comprises the following components in percentage by weight: 1%-3% of bismuth, 5%-11% of tin and the balance of copper. The manufacturing method comprises the steps of: shearing and blanking of the steel plate, inspecting, powder spreading, primary sintering, rolling, secondary sintering, rerolling, and finally obtaining the finished plate product of the high-performance environmentally-friendly copper-bismuth ...

Amorphous catalyst with cobalt and boron for crotonaldehyde hydrogenation and preparation thereof

Method for increasing the activity of copper-based catalyst in water-gas shift reaction

The invention belongs to the inorganic chemical industry technical field, in particular to a method for increasing the activity of copper-based catalyst in water-gas shift reaction, comprising the following steps: after the reduction of the copper-based catalyst or reducing the copper-based catalyst for a period of time, lowering the temperature of catalyst bed to less than 100 DEG C under a water-bearing gas atmosphere and keeping temperature for a period of time, and then heating the temperature of catalyst bed to more than 100 DEG C to reach the aim of increasing the activity of catalyst. The reactivation process can be processed in in-situ reactions. The invention has a good application prospect in fuel cell system.

Nickel-boehmite composite catalyst for ethylene glycol liquid phase reforming reaction and preparation thereof

The invention relates to a nickel-boehmite composite catalyst for ethanediol liquidoid reforming reaction and the preparation method, belonging to the technical field of chemical industry. The catalyst comprises metal nickel and boehmite; according to the mass of the metal element, nickel accounts for 40 to 90% and aluminum accounts for 10 to 60% of total metal. The catalyst is obtained by extracting raney nickel aluminum alloy or quenching nickel aluminum alloy using low concentration alkali, and then converting the aluminum in the alloy into boehmite through hydrothermal treatment. The catalyst has the advantages of higher catalytic activity and hydrogen selectivity in ethanediol liquidoid reforming reaction compared with the raney nickel.

Quenched skeleton cobalt base catalyst for cinnamyl aldehyde hydrogenation to prepare cinnamyl alcohol and its preparing method

The present invention belongs to the field of chemical technology, and especially one kind of quenched skeleton cobalt base catalyst for selective cinnamyl aldehyde hydrogenation to prepare cinnamyl alcohol and its preparation process. The catalyst consists of Co as the active component, Al and metal additive M. The preparation process includes quenching molten alloy at rate over 10E6 K/s in single roller method to obtain quenched Co-Al alloy; alkali extracting quenched Co-Al alloy to eliminate its Al to obtain quenched skeleton Co catalyst; and finally soaking the quenched skeleton Co catalyst in solution of M element to obtain the modified quenched skeleton Co-M catalyst. The quenched skeleton Co-M catalyst is used in cinnamyl aldehyde hydrogenation to prepare cinnamyl alcohol and has much higher hydrogenation activity and selectivity than those of Raney Co catalyst and much higher selectivity than that of Raney Ni catalyst.

Non-crystal catalyst for hydrogenating benzene and its preparing process

Amorphous skeletal-nickel hydrogenating catalyst for anthraquinone process of preparing hydrogen peroxide and its prepn

The present invention belongs to the field of chemical technology and is especially one catalyst for anthraquinone hydrogenation process of preparing hydrogen peroxide and its preparation. The catalyst is obtained with some alloy and through active treatment with alkali solution and the alloy consists of Ni, Al and metal additive including one or several of Cr, Mo, W, Fe, Co, Cu and Zn. The catalyst is one kind of amorphous skeleton alloy catalyst prepared through high temperature melting of metal components, quenching stress to obtain alloy strip or scaly alloy, grinding, sieving and activation in alkali solution. Compared with traditional Raney Ni catalyst, the said catalyst has high anthraquinone hydrogenation activity and high selectivity.

Process for preparing aluminium oxide nano fibre

Process for producing ruthenium base catalyst for producing cyclohexene with benzene selective hydrogenation

The invention pertains to chemical engineering field, in particular to a preparation method of a Ru-based catalyst, the catalyst has uniform load and high catalytic efficiency and is used for preparing cyclohexene from benzene through selectively hydrogenation reaction. A precursor of the catalyst is prepared through a cyclohexene/ water component solvent system, and then reduced by a mixing gas of H2 or Ar to prepare the catalyst, and the catalyst consists of ruthenium, a dressing agent and a mesoporous silicon dioxide carrier L, amongst which the active component is ruthenium metal, the dressing agent is a metal oxide, and the precursor is selected from the nitrate or chloride of metal elements in IIA main group, VIII group and IVA main group in the element periodic table; ruthenium and the dressing agent are uniformly carried on the carrier L through the preparation method of the invention. When being used in preparing cyclohexene from benzene through selectively hydrogenation reaction ...

Benzene selection noncrystalline catalyst with hydrogen added and containing ruthenium, boron as well as its preparing method

A non-crystal catalyst for preparing cyclodexene by selectively hydrogenating benzene is prepared from Ru, B meta or metal oxide modified M, and the oxide or metal hydroxide carrier L through reducing Ru ions and M in oxide form, and removing ions of impurities. Its advantage is high selectivity and hydrogenating activity.

Nickel base catalyst of burst cooling framework in use for preparing hydrogen peroxide by adding hydrogen to 2-ethyl-anthraquinone

A Ni-base catalyst used for preparing H2O2 by hydrogenating 2-ethyl anthraquinone with high output rate and selectivity is composed of Ni as its active component, Al and metallic modified M. It is prepared through alkali extracting, suddenly cooling Ni-Al or Ni-M-Al alloy at the speed of 10 to the power 6 deg.K/s, and removing Al. Another two preparing processes are also disclosed.

One-step method for continuously preparing high-purity hydrogen through ethylene glycol aqueous-phase reforming

The invention belongs to the technical field of chemical engineering, and relates to a one-step method for continuously preparing high-purity hydrogen through ethylene glycol aqueous-phase reforming. In the ethylene glycol aqueous-phase reforming reaction process, a non-noblemetal nickel-boehmite composite catalyst is used as an ethylene glycol aqueous-phase reforming catalyst, and is directly added with inorganic aids to continuously prepare the high-purity H2 without COx by one step; and the inorganic aids are potassium aliphatates KCl, K2SO4 and KNO3 or alkalis KOH and NaOH, wherein the KOH has the optimal effect. In the method, subsequent water gas shift reactor and CO2 absorbing and adsorbing device are not required, the high-purity H2 without COx can be continuously obtained, the H2 yield is 2 times that in the aqueous-phase reforming process without inorganic aids under the same conditions, and a byproduct KHCO3 is obtained.

Core-shell structure zeolite multilevel ordered mesopore and micropore composite material and preparation method thereof

The invention belongs to the field of media-micro-hole composite materials techniques. In particular, the invention relates to a shell-core structured zeolite multi-layered media-micro-hole compositematerial and method for preparing same. The material is a regular polyhedron in appearance and has shell-core structure. The polyhedron shell is of single-crystal structure and the core is piled up bynano-crystals, and the material also has the inherent micro-holes of the zeolite molecular screen and the media-holes produced by piling up of the nano-crystal. Therefore, the material has the media-micro-hole two hole-channels compound holes structure. The invention uses NaSiO3 as the silica source, the metal Al extracted from Ni/Al alloy by the NaSiO3 as the aluminum source and athylamine and the residue Raney Ni of Ni/Al alloy extraction as the auxiliary. The material is obtained by crystallizing the zeolite synthesizing solution in the regular crystallization condition and the shell thickness ...

Method for preparing Cu-Al-containing catalyst

The invention belongs to the technical field of a chemical catalyst, and in particular provides a method for preparing a Cu-Al-containing catalyst. The method comprising the following steps of: dissolving precursor compounds of components used for preparing the catalyst, an organic template agent and an acid in an alcohol solvent; and drying, calcining and activating the mixture to prepare the catalyst. When the catalyst is used for hydrogenation of glycerol for preparing 1,2-propylene glycol, the catalyst has the advantages of high activity and selectivity and mild reaction condition; and the catalyst preparation process is easy and feasible, is easy to repeat, and is applicable to large-scale industrial production.

Dressing agent for benzol selective hydrogenation to prepare cyclohexene catalyst

The invention belongs to a catalyst technical field, which more particularly relates to a modifier used for preparing cycloalkene catalyst by selective hydrogenation of benzene liquid phase. The inorganic modifier consists of two sulfates of IIB Group metal; in a benzene hydrogenation reaction system, high cycloalkene selectivity and yield can be obtained in a reaction of selective hydrogenation of the benzene liquid phase through changing the relative proportion of the two components in a certain range, thus showing the application prospect of the modifier in the selective hydrogenation reaction of benzene liquid-phase to produce cycloalkene.

Method for preparing Cu-Al-containing catalyst

The invention belongs to the technical field of a chemical catalyst, and in particular provides a method for preparing a Cu-Al-containing catalyst. The method comprising the following steps of: dissolving precursor compounds of components used for preparing the catalyst, an organic template agent and an acid in an alcohol solvent; and drying, calcining and activating the mixture to prepare the catalyst. When the catalyst is used for hydrogenation of glycerol for preparing 1,2-propylene glycol, the catalyst has the advantages of high activity and selectivity and mild reaction condition; and the catalyst preparation process is easy and feasible, is easy to repeat, and is applicable to large-scale industrial production.

Supported nano Au catalyst for preparing crotyl alcohol and preparation method thereof

The invention belongs to the chemical technical field and particularly relates to a supported nano Au catalyst for preparing crotyl alcohol by crotonic aldehyde selective hydrogenation and a preparation method thereof. The catalyst is prepared by using mesoporous titanium dioxide microballoons having core-shell structures as the carrier and loading the active constituents, nano Au, to the titanium dioxide microballoons by the deposition-precipitation method. The catalyst has the characteristics that the active constituents are highly dispersed, and the mol ratio of the titanium dioxide to theactive constituents is 23.0-305.7. Compared with the nano Au catalyst supported by the commercial titanium dioxide carrier P25, the Au/TiO2 microspherical catalyst shows higher selectivity of target products in the reaction of preparing crotyl alcohol by crotonic aldehyde selective hydrogenation, thereby having important industrial application value.

Amorphous hydrogenating 4,4'-dinitrodiphynyl ether catalyst and its preparing method

The present invention belongs to the field of chemical technology, and is amorphous catalyst for hydrogenating 4,4'-dinitrodiphynyl ether to prepare 4,4'-diaminodiphynyl ether and its preparation process. The catalyst consists of Ni, B, metal additive M and porous carrier material L, where Ni exists in the amorphous Ni-B or Ni-M-B alloy form; M is one or several of Cr, Mo, W, Fe, Co and Cu; and Lis one or several of porous inorganic oxide and active carbon. The catalyst may be prepared through reducing Ni ion and M oxide with BH4 ion and eliminating impurity. Compared with traditional Raney Ni, the present invention has mush higher hydrogenating activity and selectivity.

Benzene selection noncrystalline catalyst with hydrogen added and containing ruthenium, boron as well as its preparing method

Non-crystal hydrogenation catalyst for anthraquinone process of preparing hydrogen peroxide solution and its preparing method

用于2-乙基蒽醌加氢制备双氧水的高效猝冷骨架镍催化剂

The invention is a high-efficiency suddenly-cooling framework nickel-based catalyst used for preparing oxide by hydrogenating 2-ethyl antraquinone and its preparing method. It is composed of Ni and Al, its specific area is 5-200 sq m/g and its active specific area 5-100 sq m/g. It is prepared by making basic extraction and suddenly cooling on Ni-Al alloy and then eliminating the Al from the alloy; the suddenly cooling of the Ni-Al alloy adopts a single-roller method to cool the alloy at a speed of 10 to the power 6 K/s. In the reaction of making oxydol by the hydrogenation of 2-ethyl antraquinone, it has much higher oxydol selectivity and yield than traditional Raney Ni in industry.

Multi-stage ordered arranged ZSM-5 nano rod bundle and preparation method thereof

The present invention belongs to the technical field of chemical engineering and relates, in particular, to a hierarchically arrayed ZSM-5 nano-rod bundle material and also to a preparing process thereof. The material has a bundle structure in large size; the rod bundle is very ordered in shape and consists of a plurality of flat strip-shaped ZSM-5 nano-rods arranged and piled in order along the c axis ([001]direction) thereof and thereby forms a hierarchically ordered structure. The material is prepared with hydrothermal one-step synthesis, which, more specifically, comprises crystallization of zeolite synthesizing solution under routine crystallizing conditions with water glass as the silicon source, with the porous metallic Raney Ni obtained after metallic aluminum extraction of nickel-aluminum alloy by sodium hydrate solution as the structure inductor and with ethylamine as micro-porous templates.

Benzene selective hydrogenation carried ruthenium based catalyst and its preparation

A Ru-base catalyst for selective hydrogenation of benzene to prepare cyclohexene is prepared from Ru, carrier (metal oxide), modifier M chosen from Cr, Mo, W, Fe, Co, Cu and La, and salt solution N through introducing hydrogen gas to aqueous solution to reduce Ru(OH)3 and M, and centrifugal washing to remove impurity ions. Its advantages are high activity and selectivity, and easy storage.

Water gas conversion catalyst unlikely to self-ignite as well as preparation method and application thereof

The invention belongs to the technical field of catalyst, and in particular relates to a water gas conversion catalyst unlikely to self-ignite as well as a preparation method and an application thereof. The catalyst of the invention consists of active metal component and compound oxide carrier, wherein the active metal component is one or more than one of copper, iron, gold, sodium, ruthenium and molybdenum and dispersed by the compound oxide carrier which consist of magnesium oxide and aluminum oxide, the carrier can be added with zinc oxide or cerium oxide and other modifiers. The invention can enhance catalysis performance by dispersing active metal component with compound oxide, and self-ignition does not occur when meeting oxide gas, thus having good catalysis performance in removing CO and being capable of meeting the use requirement such as fuel cell system.

Quenched Ni skeleton catalyst for preparing 3-phenylpropyl aldehyde by cinnamaldehyde hydrogenization and its preparing process

The present invention belongs to the field of chemical technology, and is novel quenched skeleton nickel catalyst for hydrogenating cinnamaldehyde to prepare 3-phenylpropionaldehyde and its preparation process. The catalyst consists of Ni and Al, and has specific surface area of 5-200 sq m/g and active specific surface area of 5-100 sq m/g. The catalyst is obtained through alkali extracting quenched Ni-Al alloy to eliminate its Al; and the quenched Ni-Al alloy is obtained through cooling alloy at the rate over 1E6 K/s in a single roller process. Compared with traditional industrial Raney Ni, the catalyst has much higher 3-phenylpropionaldehyde selectivity and yield in the reaction of hydrogenating cinnamaldehyde to prepare 3-phenylpropionaldehyde.

蒽醌法制备双氧水工艺中非晶态加氢催化剂及其制备方法

The present invention belongs to the field of chemical technology, and is especially novel catalyst for anthraquinone process of preparing hydrogen peroxide solution and its preparation process. Thecatalyst consists of Ni, B and metal additive M, and has specific surface area of 10-200 sq m/g and active specific surface area of 0.1-50 sq m/g. The preparation process of the catalyst is Ni-B alloy preparing process with in-situ added metal additive or corresponding salt for decoration. Compared with traditional industrial Rancy Ni catalyst, the present invention has higher hydrogenation activity and higher selectivity.