Abstract:
An apparatus includes: a hydrogen generating agent (1); a hydrogen gas generator (3) having the hydrogen generating agent; and at least one of a diluent gas supplier (7) or a vacuum pump (8) for diluting hydrogen gas generated by a reaction of the hydrogen generating agent and water (2) for reaction. The apparatus has a feature that a part or whole of a gas phase portion (4) in the hydrogen gas generator is covered with a hydrogen gas permeable membrane (5), and is operable to: mix the hydrogen gas with the diluent gas supplied from the diluent gas supplier or the vacuum pump thereby to supply a living organism with a mixed gas at a flow volume of 1 mL/min or more, the mixed gas having a hydrogen gas concentration of 0.1 vol% or higher and lower than 18.3 vol%; and maintain a hydrogen gas concentration in a position separated by 7 cm from the hydrogen generating agent or a water surface of the water for reaction at lower than 18.3 vol% during hydrogen generation even when supply of the diluent gas is stopped.
Abstract:
A process to produce at least carbon dioxide and carbon monoxide from a feed gas containing carbon dioxide, hydrogen and carbon monoxide; comprises separating at least part of the carbon dioxide from the compressed feed gas by partial condensation and/or distillation producing a carbon dioxide product and a carbon dioxide depleted stream (7),treating the carbon dioxide depleted stream in a treatment unit (S) to produce a feed stream (15) containing carbon monoxide and hydrogen, less rich in carbon dioxide than the carbon dioxide depleted stream and feeding at least part of the feed stream containing carbon monoxide and hydrogen to a separation unit (HYCO) operating at cryogenic temperatures to produce a carbon monoxide product.
Abstract:
In a method for the combined production of ammonia synthesis gas and carbon dioxide from a mixture of hydrocarbons, the cooled mixture from a reverse conversion is separated in an adsorption unit by pressure modulation (or PSA) producing a hydrogen-enriched flow (9) having a purity at least equal to 98% and a residual gas (11), the residual gas is processed to produce carbon dioxide and a gas containing nitrogen and methane (25) and at least a portion of the hydrogen-enriched flow and at least a portion of the gas containing nitrogen and methane are mixed to form an ammonia synthesis gas (27).
Abstract:
Method for purification of ammonia or mixtures of nitrogen and hydrogen, or nitrogen, hydrogen and ammonia, where ammonia or a mixture of gases under pressure of from 0.1 to 25 MPa is passed through a column packed with aluminum oxide with a large specific surface area, the ammonia or mixture of gases is then passed through a column packed with CaO, NaOH, KOH or an NaOH/KOH melt, separately or in a mixture, at 20 to 70° C. and under pressure of from 0.1 to 25 MPa, and the ammonia or mixture of gases is passed through a column packed with activated carbon having a specific area of 100-3000 m2/g with sodium, potassium, caesium, magnesium, calcium, strontium, barium or cerium nitrates(V) or nitrates(III) deposited on its surface, separately or in a mixture.
Abstract:
A method and system for processing an input fuel gas and steam to produce separate CO2 and output fuel gas streams. The method comprises the steps of using a decarbonizer segment for reacting at least a solid sorbent with the fuel gas and steam to remove carbon from the input fuel gas and to produce the output fuel gas stream in an exhaust gas from the decarbonizer; using a calciner segment for reacting the solid sorbent from the decarbonizer segment therein to release the CO2 into the CO2 gas stream; wherein CO2 partial pressures and temperatures in the decarbonizer and calciner segments respectively are controlled such that the temperature in the decarbonizer segment is higher than the temperature in the calciner.
Abstract translation:一种用于输入燃料气体及水蒸气的处理方法和系统,以产生单独的CO 2和输出燃料气体流。 该方法包括使用一个decarbonizer段,用于至少反应的固体吸附剂与燃料气体和蒸汽从输入燃料气体中除去碳和在从decarbonizer废气以产生输出燃料气体流的步骤; 使用用于从decarbonizer段起反应固体吸附剂在其中以释放CO 2进入CO 2气体流的煅烧炉部分; 在decarbonizer和煅烧炉段worin CO 2分压力和温度分别被控制调查的确在decarbonizer段的温度比在煅烧炉的温度高。
Abstract:
Disclosed herein is a system comprising a compressor in mechanical communication with a turbine; the compressor being operative to produce compressed air; a premixer; the premixer being operative to mix a fuel with the compressed air; a carbonator being located downstream of the premixer; the carbonator being operative to receive a mixture of carbon dioxide and syngas and to convert a metal oxide into a metal carbonate by reacting it with the carbon dioxide; a calciner; the calciner being operative to receive the metal carbonate from the carbonator; and to dissociate carbon dioxide from the metal carbonate; and a combustor; the combustor being located downstream of the carbonator; where the combustor is operative to combust syngas received from the carbonator.
Abstract:
Hydrogen (H 2 ) gas is separated from a gaseous mixture of hydrogen and crude carbon dioxide (CO 2 ) gas. Combustible gas(es) in the crude CO 2 gas are combusted to produce heat, at least a portion of which is recovered by indirect heat exchange with at least a portion of the separated H 2 gas or a gas derived therefrom. The invention may be integrated with coal-fired power stations to reduce or eliminate emission of harmful components into the atmosphere.