Patent classifications
B01J23/74
Method and apparatus of preparing catalyst for fuel cell
A method for producing a catalyst for a fuel cell comprising: a) injecting carbon particles into a fluidized bed reactor; b) evacuating the fluidized bed reactor to form a base pressure; c) introducing a catalytic metal precursor together with a carrier gas into the fluidized bed reactor to contact the catalytic metal precursor with the carbon particles; d d) purging a purge gas into the fluidized bed reactor; e) introducing a reaction gas into the fluidized bed reactor to attach the catalytic metal precursor to the carbon particles; and f) purging a purge gas into the fluidized bed reactor, wherein, the catalytic metal is attached to the carbon particles in a form of nano-sized spot.
Method and apparatus of preparing catalyst for fuel cell
A method for producing a catalyst for a fuel cell comprising: a) injecting carbon particles into a fluidized bed reactor; b) evacuating the fluidized bed reactor to form a base pressure; c) introducing a catalytic metal precursor together with a carrier gas into the fluidized bed reactor to contact the catalytic metal precursor with the carbon particles; d d) purging a purge gas into the fluidized bed reactor; e) introducing a reaction gas into the fluidized bed reactor to attach the catalytic metal precursor to the carbon particles; and f) purging a purge gas into the fluidized bed reactor, wherein, the catalytic metal is attached to the carbon particles in a form of nano-sized spot.
Photocatalytic oil-water separation material and preparation method thereof
The invention relates to a photocatalytic oil-water separation material and a preparation method thereof, the method including the following steps: cleaning a base material and a metal-doped material, and drying for later use; preparing a mixed solution of an amine monomer and an acid-alkali buffer reagent, soaking the base material in the mixed solution, and reacting under an oscillation condition, to obtain the base material attached with amine monomer polymer; dissolving a soluble metal additive and an organic ligand reagent into an organic solvent, and performing ultrasonic stirring uniformly, to obtain a metal organic framework material (MOF) reaction solution with photocatalytic performance; and placing the metal-doped material, the base material attached with the amine and the MOF reaction solution into a reaction kettle for performing hydrothermal reaction, cleaning and drying the reacted base material, to obtain the photocatalytic oil-water separation material.
CATALYSTS FOR CONVERSION OF CO2 OR STEAM TO CO OR SYNTHESIS GAS USING FUELS
A catalytic method for producing gaseous products from a fuel and a gaseous reagent having the steps of: providing a catalyst and the fuel to a reactor vessel such that the catalyst and the fuel are in fluid communication with each other within the reactor vessel, where the catalyst is a mixture of reduced metal oxides; and contacting the fuel and catalyst with the gaseous reagent within the reactor vessel at a reaction temperature to produce gaseous products, where the gaseous reagent contains at least CO.sub.2 or H.sub.2O, where the fuel comprises a carbonaceous source, and wherein the gaseous products are CO or syngas.
HIGH NANOPORE VOLUME HYDROTREATING CATALYST AND PROCESS
An improved hydrotreating catalyst and process for making a base oil product wherein the catalyst comprises a base extrudate that includes a high nanopore volume amorphous silica alumina (ASA) and an alumina. The catalyst and process generally involve the use of a high nanopore volume ASA/alumina based catalyst to produce hydrotreated dewaxed base oil products by contacting the catalyst with a hydrocarbon feedstock. The catalyst base extrudate advantageously comprises an amorphous silica alumina having a pore volume in the 11-20 nm pore diameter range of 0.2 to 0.9 cc/g and an alumina having a pore volume in the 11-20 nm pore diameter range of 0.01 to 1.0 cc/g, with the base extrudate formed from the amorphous silica alumina and the alumina having a total pore volume in the 2-50 nm pore diameter range of 0.12 to 1.80 cc/g. The catalyst further comprises at least one modifier element from Groups 6 to 10 and Group 14 of the Periodic Table. The catalyst and process provide improved aromatics saturation.
Hydrogenation catalyst and method for preparing the same
The invention relates to a method for preparing a hydrogenation catalyst or catalyst precursor comprising a catalytically active material and a carrier material. The method involves the mixing of an acidic solution comprising metal ions of a metal selected from the IUPAC group 8, 9 or 10 metals, preferably cobalt, a suspension comprising the carrier material and an alkaline solution. The invention also relates to a precursor of a hydrogenation catalyst wherein the precursor comprises crystallites of metal oxides having an average size of max. 8 nm.
Hydrogenation catalyst and method for preparing the same
The invention relates to a method for preparing a hydrogenation catalyst or catalyst precursor comprising a catalytically active material and a carrier material. The method involves the mixing of an acidic solution comprising metal ions of a metal selected from the IUPAC group 8, 9 or 10 metals, preferably cobalt, a suspension comprising the carrier material and an alkaline solution. The invention also relates to a precursor of a hydrogenation catalyst wherein the precursor comprises crystallites of metal oxides having an average size of max. 8 nm.
PROCESS USING CATALYTIC COMPOSITION FOR THE CONVERSION OF SYNGAS TO HIGHER ALCOHOLS
The present disclosure relates to a process for converting syngas to C2+ alcohols, said process comprising the steps of providing a reactor, of providing a catalyst composition and one or more acidic materials within said reactor, of providing a feed stream comprising a mixture of H.sub.2 and CO; and of contacting said feed stream with said catalyst composition and said one or more acidic materials under reaction conditions to provide product stream. Said process is remarkable in that said catalyst composition comprises an active phase comprising CuFe deposited on a carbon-containing support, and the one or more acidic materials are one or more zeolites having a Si/Al molar ratio ranging between 2 and 200.
Process using catalytic composition for the conversion of syngas to higher alcohols
The present disclosure relates to a process for converting syngas to C2+ alcohols, said process comprising the steps of providing a reactor, of providing a catalyst composition and one or more acidic materials within said reactor, of providing a feed stream comprising a mixture of H.sub.2 and CO; and of contacting said feed stream with said catalyst composition and said one or more acidic materials under reaction conditions to provide product stream. Said process is remarkable in that said catalyst composition comprises an active phase comprising CuFe deposited on a carbon-containing support, and the one or more acidic materials are one or more zeolites having a Si/Al molar ratio ranging between 2 and 200.
Process using catalytic composition for the conversion of syngas to higher alcohols
The present disclosure relates to a process for converting syngas to C2+ alcohols, said process comprising the steps of providing a reactor, of providing a catalyst composition and one or more acidic materials within said reactor, of providing a feed stream comprising a mixture of H.sub.2 and CO; and of contacting said feed stream with said catalyst composition and said one or more acidic materials under reaction conditions to provide product stream. Said process is remarkable in that said catalyst composition comprises an active phase comprising CuFe deposited on a carbon-containing support, and the one or more acidic materials are one or more zeolites having a Si/Al molar ratio ranging between 2 and 200.