摘要:
The present invention provides steam reforming catalyst compositions containing Pd and Zn, and methods of steam reforming alcohols over a catalyst. Surprisingly superior results and properties of the present invention, including low temperature activity and/or low carbon monoxide output, are also described. Methods of making a steam reforming catalyst are also provided.
摘要:
The present invention provides steam reforming catalyst compositions containing Pd and Zn, and methods of steam reforming alcohols over a catalyst. Surprisingly superior results and properties of the present invention, including low temperature activity and/or low carbon monoxide output, are also described. Methods of making a steam reforming catalyst are also provided.
摘要:
The invention describes combustors and steam reformers and methods of combustion and steam reforming. For example, integrated combustion reactors are described in which heat from combustion is transferred to an endothermic reaction. Thermally efficient reactors and methods of alcohol steam reforming are also described. Also described is an integrated combustor/reformer containing a methanation catalyst.
摘要:
The invention describes combustors and steam reformers and methods of combustion and steam reforming. For example, integrated combustion reactors are described in which heat from combustion is transferred to an endothermic reaction. Thermally efficient reactors and methods of alcohol steam reforming are also described. Also described is an integrated combustor/reformer containing a methanation catalyst.
摘要:
The present invention provides steam reforming catalyst compositions containing Pd and Zn, and methods of steam reforming alcohols over a catalyst. Surprisingly superior results and properties of the present invention, including low temperature activity and/or low carbon monoxide output, are also described. Methods of making a steam reforming catalyst are also provided.
摘要:
The present invention provides steam reforming catalyst compositions containing Pd and Zn, and methods of steam reforming alcohols over a catalyst. Surprisingly superior results and properties of the present invention, including low temperature activity and/or low carbon monoxide output, are also described. Methods of making a steam reforming catalyst are also provided.
摘要:
Disclosed is a method for manufacturing an iron catalyst, the method including: a mixing stage where a mixture solution is manufactured by mixing iron nitrate (Fe(NO3)3) solution and copper nitrate (Cu(NO3)2) solution; a precipitation slurry-forming stage where a precipitation slurry is formed by adding at least one of sodium carbonate (Na2CO3) or sodium hydroxide (Na2CO3) solutions to the mixture solution; a washing stage where the precipitation slurry is filtered and washed with distilled water; a silica adding stage where fumed silica powder and potassium carbonate (K2CO3) solution are added to the precipitation slurry and then agitated; a drying stage where the precipitation slurry is passed through a sieve having a size of 30 μm to 100 μm and dried by a spry drying method to manufacture a powdered iron catalyst; and a heat treatment stage where the iron catalyst is dried at a temperature of 50° to 150° C., and then heat-treated at a temperature of 300° C. to 500° C.
摘要翻译:本发明公开了一种铁催化剂的制造方法,其特征在于,包括:将硝酸铁(Fe(NO 3)3)溶液与硝酸铜(Cu(NO 3)2)溶液混合而成的混合溶液的混合阶段, 沉淀浆液形成阶段,其中通过向混合物溶液中加入至少一种碳酸钠(Na 2 CO 3)或氢氧化钠(Na 2 CO 3)溶液形成沉淀浆料; 洗涤阶段,其中沉淀浆液被过滤并用蒸馏水洗涤; 二氧化硅添加阶段,将沉淀二氧化硅粉末和碳酸钾(K 2 CO 3)溶液加入沉淀浆料中,然后搅拌; 将沉淀浆料通过尺寸为30μm至100μm的筛子的干燥阶段,并通过干燥法干燥以制造粉末状铁催化剂; 以及铁催化剂在50℃〜150℃的温度下干燥,然后在300℃〜500℃的温度下进行热处理的热处理阶段。
摘要:
The present invention relates to a method of manufacturing a cobalt metal foam catalyst including a metal foam coated with cobalt catalyst powder, a cobalt metal foam catalyst manufactured by the method, a thermal medium-circulated heat exchanger type reactor using the cobalt metal foam catalyst, and a method of producing liquid fuel by Fischer-Tropsch synthesis using the reactor. An object of the present invention is to provide a catalyst, which is used to obtain high liquid fuel productivity even at a low CO conversion ratio because the reaction temperature can be kept stable by controlling reaction heat with high efficiency in Fischer-Tropsch synthesis so that the mass transfer characteristics of a catalyst layer can be improved, and a method of manufacturing the catalyst, a reactor filled with the catalyst, and a method of producing liquid fuel using the reactor. The method of manufacturing a cobalt metal foam catalyst includes the steps of: surface-pretreating a metal foam by atomic layer deposition (ALD) using trimethylaluminum ((CH3)3Al) and water to form an Al2O3 thin film; preparing a cobalt catalyst slurry composed of a mixture of alumina sol, cobalt catalyst powder and isopropyl alcohol; surface-coating the surface-pretreated metal foam with the cobalt catalyst slurry by dip coating; and drying and calcinating the surface-pretreated metal foam coated with the cobalt catalyst slurry.
摘要:
Disclosed are a pressure swing adsorption apparatus for hydrogen purification and a hydrogen purification method using the same. The pressure swing adsorption apparatus for hydrogen purification includes a plurality of adsorption columns connected with a feed supply pipe, a hydrogen storage tank for collecting purified hydrogen from the adsorption columns, and valves for opening or closing a plurality of pipes connected to the respective adsorption columns, and the adsorption columns are packed with adsorbent beds of active alumina or silica gel, activated carbon, zeolite 13X, zeolite 5A, and a carbon monoxide-selective adsorbent other than the zeolite 5A, in order to remove carbon dioxide, methane, and carbon monoxide from a hydrogen-containing gas mixture supplied through the feed supply pipe, and the content of carbon monoxide in the discharged hydrogen is minimized through sequential adsorption on the adsorbents in the adsorption columns. The content of carbon monoxide in the purified hydrogen product can be decreased to 10 ppm or less, thus facilitating the production of highly pure hydrogen products.
摘要:
A method for converting hydrocarbon fuels to hydrogen and carbon monoxide through catalytic partial oxidation is described. The process comprises a reactor containing both an electrically heated catalyst as a start-up device and novel-metal-washcoated metallic monolith catalysts and a heat exchanging device. The partial oxidation reaction becomes ignited in less than 1.5 minute when the gaseous hydrocarbon fuel and oxygen-containing gas mixture is in contact with an electrically heated catalyst. The reaction takes place over the metallic monolith catalyst washcoated with noble metal (typically Pd/alumina-cerium oxide). The near complete conversion of hydrocarbon fuels with high hydrogen and carbon monoxide selectivities is achieved by preheating the feed mixture heat-exchanged with hot product gas stream.