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Integration of coal gasification and CO 2 separation reactions in one reactor may produce a high concentration of hydrogen. To design a reactor for this new reaction system, it is necessary to know all reaction behaviors in the integrated reaction system. In our previous study, we performed a continuous reaction experiment of coal/CaO under high steam pressure and confirmed that H 2 ...
Hydrogen production by the reaction integrated novel gasification (HyPr-RING) method was first proposed in 1999. This method involves the reactions of coal and CaO with H 2 O, that is, a combination of exothermic and endothermic, gas production and gas separation reactions, in a gasifier to produce H 2 . The equipment for the HyPr-RING process consists mainly of a gasifier, a sorbent...
Coal/CaO powder mixtures were continuously supplied into a reactor to react with steam at high pressure and high temperature. At 923 K and 5.0 MPa, the gas produced from the reaction of Taiheiyo coal/CaO with steam consisted of mainly H 2 , with smaller amounts of CH 4 , C 2 H 4 , C 2 H 6 and CO 2 . Increasing the pressure enhanced H 2 ...
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