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8110012 System for hot solids combustion and gasification  
In a retrofit system for hot solids combustion and gasification, a chemical looping system includes an endothermic reducer reactor 12 having at least one materials inlet 22 for introducing...
8057560 Fuel processor having movable burner, method of operating the same, and fuel cell system having the same  
A fuel processor having a movable burner, a method of operating the fuel processor, and a fuel cell system having the fuel processor. The fuel processor includes a combustion chamber, a reformer...
7988752 Hot solids gasifier with CO2 removal and hydrogen production  
A gasifier 10 includes a first chemical process loop 12 having an exothermic oxidizer reactor 14 and an endothermic reducer reactor 16. CaS is oxidized in air in the oxidizer reactor 14 to form hot...
7867299 Methods, apparatus, and systems for producing hydrogen from a fuel  
Methods and apparatus for producing hydrogen with reforming catalysts. The reforming catalysts may be platinum group metals on a support material, and they may be located in a reforming reaction...
7824455 High activity water gas shift catalysts based on platinum group metals and cerium-containing oxides  
A method of reducing the amount of carbon monoxide in process fuel gas in a feed stream for a fuel cell. The method includes introducing a hydrocarbon feed stream into a primary reactor and...
7682597 Method for extracting hydrogen from a gas that contains methane, especially natural gas, and system for carrying out said method  
The invention relates to a method for extracting hydrogen from a gas containing methane, especially natural gas. Hydrocarbons contained in the gas are catalytically broken down in a reformer (4) by...
7641881 Fertilizer production from fossil fuel with minimal carbon dioxide emission  
An ammonia and fertilizer production process is based on partial oxidation of fossil fuel, which co-produces polycarbonsuboxide. The four step process is low-cost and low-carbon-dioxide emission....
7431865 Production of ammonia synthesis gas  
Ammonia synthesis gas production having a shift reaction stage employing a copper-based catalyst wherein the air supplied to the process is passed through an absorber that removes sulfur and/or...
7163648 Method for manufacturing a hydrogen and nitrogen containing gas mixture  
The present invention relates to a method for manufacturing a hydrogen- and nitrogen containing gas mixture, where a mixture of steam and a carbon containing gas is fed to the retentate side of at...
7138001 Partial oxidation reformer-reforming exchanger arrangement for hydrogen production  
Low-energy hydrogen production is disclosed. A reforming exchanger is placed in parallel with a partial oxidation reactor in a new hydrogen plant with improved efficiency and reduced steam export,...
7090816 Low-delta P purifier for nitrogen, methane, and argon removal from syngas  
A process for manufacturing ammonia from syngas with excess air for reforming and nitrogen removal with low pressure losses is disclosed. Auto-refrigeration for cooling the syngas for cryogenic...
6726850 Catalytic partial oxidation using staged oxygen addition  
A multistage catalytic partial oxidation (CPO) process for oxidizing a hydrocarbon feedstream comprising C1-C4 hydrocarbons, with an oxygen-containing feedstream to produce a product comprising CO...
6395243 Catalytic or non-catalytic processes with enriched oxygen as a reactant  
A method is provided for performing catalytic or non-catalytic processes which uses oxygen supplied from the permeate side of a mixed oxygen ion and electron conducting membrane by means of a sweep...
6254807 Control of H2 and CO produced in partial oxidation process  
A process for enhancing H2 or CO production in a partial oxidation reaction by feeding H2 O or CO2 with the feed hydrocarbon and oxygen over a transition metal monolith catalyst such as unsupported...
6224789 Process and reactor system for preparation of synthesis gas  
Process for the preparation of hydrogen and/or carbon monoxide rich gas by catalytic steam reforming of a hydrocarbon feedstock, wherein a first stream of the feedstock is autothermally steam...
6162267 Process for the generation of pure hydrogen for use with fuel cells  
A process and apparatus are disclosed for the operation of a fuel cell to generate electric power from a feed stream comprising a hydrocarbon or an alcohol. The fuel cell comprises a proton...
6159395 Process and plant for reforming hydrocarbonaceous feedstock  
The present invention provides a process for the production of a synthesis gas mixture containing carbon oxides and hydrogen from a hydrocarbon feedstock material comprising: providing a reforming...
6129861 Membrane reactor for producing CO- and CO2 -free hydrogen  
In a reactor and a method for the conversion of methanol to hydrogen wherein the reactor comprises first and second chambers divided by a membrane which is permeable for hydrogen and CO but not for...
6123873 Method for soot-free start-up of autothermal reformers  
Method for initiating operation of an autothermal reformer including the steps of preparing a hot gas which is rich in hydrogen by contacting a methanol and steam containing feed gas with a...
6077459 Process and process unit for the preparation of ammonia synthesis gas  
Process and process unit for the preparation of ammonia synthesis gas from a hydrocarbon feedstock comprising sequentially primary and secondary catalytic steam reforming of the feedstock in a...
6051162 Process for the generation of a low dew-point, oxygen-free protective atmosphere for the performance of thermal treatments  
A process for the generation of a protective nitrogen-based atmosphere for the performance of heat treatments of metal articles in three phases, including an initial phase in which a gaseous...
6048473 Process for operating a system for the water vapor reforming of methanol  
A process for operating a system for water vapor reforming of methanol includes a mixture preparation step for preparing a water vapor/methanol mixture from water and methanol, which mixture is...
5929286 Method for making hydrogen rich gas from hydrocarbon fuel  
A method of forming a hydrogen rich gas from a source of hydrocarbon fuel in which the hydrocarbon fuel contacts a two-part catalyst comprising a dehydrogenation portion and an oxide-ion conducting...
5925328 Steam reforming process  
A process for the preparation of ammonia synthesis gas includes supplying a feedstock gas, optionally mixed with a flue gas, to at least one pair of reforming reactors. Each reactor has a process...
5744067 Production of H2 -rich gas  
This invention relates to the production of hydrogen-rich gas by the partial oxidation of a saturated gaseous hydrocarbonaceous fuel or a mixture of saturated gaseous hydrocarbonaceous fuel and a...
5211880 Process for the preparation of ammonia synthesis gas  
A process for the preparation of ammonia synthesis gas by steam reforming and/or partial oxidation of a hydrocarbon feedstock comprises the further steps of catalytically converting a part of the...
5202057 Production of ammonia synthesis gas  
Nitrogen is economically recovered from the flue gas evolved in a hydrocarbon steam reforming furnace by hydrogenation of free oxygen therein and removal of carbon dioxide and other minor...
5122299 Autothermal steam reforming process  
Synthesis gases are produced by reaction of steam, oxidant, and a major portion of fresh hydrocarbon feed in an exothermic catalytic reforming zone to a first reformed gas having very low methane...
5068058 Production of ammonia synthesis gas  
A method is disclosed for producing ammonia synthesis gas by splitting a methane stream, combusting a portion of the methane with steam and oxygen-enriched air, converting a second portion of the...
5039510 Steam reforming  
The endothermic reaction of a hydrocarbon feedstock with steam and/or carbon dioxide is carried out using a double-tube reactor. In one preferred form of the reactor the catalyst is present as a...
5011625 Autothermal steam reforming process  
Ammonia synthesis gas is produced by reaction of steam, an oxidant, and a major portion of fresh hydrocarbon feed in an exothermic catalytic reforming zone to a first reformed gas having very low...
5004592 Steam reforming process  
The endothermic reaction of a hydrocarbon feedstock with steam and/or carbon dioxide is carried out using a double-tube reactor. In one preferred form of the reactor the catalyst is present as a...
4988490 Adsorptive process for recovering nitrogen from flue gas  
Nitrogen is economically recovered from the flue gas evolved in a hydrocarbon steam reforming furnace by hydrogenation of free oxygen therein and removal of carbon dioxide and other minor...
4981669 Ammonia synthesis gas  
Ammonia synthesis gas is prepared by primary and secondary reforming followed by shift and carbon oxides removal. So that the process can use naphtha and methane, e.g. natural gas, as alternative...
4950309 Process for the conversion of toxic organic substances to useful products  
Toxic refractory organic substances are decomposed by reaction with oxygen and steam at a temperature in the range of 2500° F. to 3200° F. Such toxic refractory organic compounds as PCB's, may be c...
4863707 Method of ammonia production  
A process for the production of ammonia from a hydrocarbonaceous feed, comprising preheating an inlet stream comprising a hydrocarbonaceous feed, H2 O, air and oxygen to a preheat temperature...
4863712 Catalysts for reforming hydrocarbon feedstocks  
A catalyst, or a precursor thereto, comprises, as the active material or as a support therefor, a ceramic foam having a network of irregular passages extending therethrough, said passages having an...
4822521 Integrated process and apparatus for the primary and secondary catalytic steam reforming of hydrocarbons  
Integrated primary-secondary reforming operations are carried out with the partly reformed product effluent from the reformer tubes of the primary reforming zone passing to a catalyst-free reaction...
4810417 Process for the simultaneous production of methanol synthesis gas and ammonia synthesis gas  
A process for the simultaneous production of methanol synthesis gas and ammonia synthesis gas proceeds from the crude gas of a coal gasification, which initially is subjected to a H2 S-washing at...
4792441 Ammonia synthesis  
An ammonia synthesis gas mixture comprised of substantially pure hydrogen and nitrogen in approximately 3/1 molar ratio is obtained form two stage reforming of a methane-rich hydrocarbon charge...
4772420 Gas separation  
A raw ammonia synthesis gas, preferably containing an excess of nitrogen, is converted to synthesis ready ammonia synthesis gas by two pressure swing adsorption (PSA) stages operated in succession....
4733528 Energy recovery  
Energy is recovered from low calorific value gas by means of a gas turbine. Heat is recovered from the turbine exhaust by indirect heat exchange with water. The resultant hot water is used to...
4725381 Hydrogen streams  
A carbonaceous feedstock, e.g. coal or heavy oil, having a low hydrogen to carbon atomic ratio is partially oxidized using air, or oxygen enriched or depleted air, to form a crude gas which is...
4725380 Producing ammonia synthesis gas  
Production of ammonia synthesis gas by partial oxidation of a hydrocarbon feedstock, using air, oxygen enriched air, or oxygen depleted air, in admixture with steam, followed by shift and the...
4699772 Process for preparing ammonia  
In a process for preparing ammonia from hydrogen and nitrogen the synthesis gas mixture is produced by partial oxidation, in the presence of a suitable catalyst, at a pressure of from 35 to 150 bar...
4695442 Ammonia synthesis process  
Ammonia synthesis gas is made from a raw gas comprising hydrogen, carbon dioxide and medium boiling point gases including nitrogen in excess of the proportion required in ammonia synthesis gas, by...
4671893 Synthesis gas  
Carbon dioxide is removed from a raw gas containing hydrogen, carbon dioxide, and intermediate boiling gas, e.g. nitrogen, to give a gas suitable for use as a synthesis gas by a wet carbon dioxide...
4668494 Method of using solar energy in a chemical synthesis process  
A method of using solar energy in a chemical synthesis process comprising steam reforming hydrocarbons or gasifying carbonaceous fuel, converting the product of the steam reforming of hydrocarbons...
4613492 Production of synthesis gas  
A process for the production of ammonia wherein excess nitrogen is fed to the secondary reformer and a cryogenic unit is employed to obtain a nitrogen-rich stream which is recycled at least in part...
4592860 Process and apparatus for ammonia synthesis gas production  
A fluid hydrocarbon feed stream is converted with excess air to a mixture of hydrogen and carbon monoxide, also containing the nitrogen content of said air. Following high temperature shift...
Matches 1 - 50 out of 103 1 2 3 >