METHOD AND APPARATUS FOR HYDROGEN PRODUCTION AND CARBON DIOXIDE RECOVERY

摘要

There are provided methods and apparatus allowing effective production of 5 high purity hydrogen and recovery of carbon dioxide. There is disclosed a method of hydrogen production and carbon dioxide recovery for producing hydrogen and recovering carbon dioxide from a carbon-containing fuel, the method comprising: a membrane separation reforming step of, with the use of a reformer provided with a hydrogen-permeable membrane, reforming the carbon-containing fuel and 10 simultaneously separating hydrogen to obtain a hydrogen-permeable membrane permeated gas which is a gas having permeated the hydrogen-permeable membrane and a reformer off-gas which is a gas not having permeated the hydrogen-permeable membrane; a shift reaction step of subjecting the reformer off-gas to a shift reaction; and 15 a carbon dioxide separation step of separating a gas which underwent the shift reaction step into a gas enriched in carbon dioxide and a carbon dioxide separation off-gas which is a gas enriched in components other than carbon dioxide. Also disclosed is an apparatus for carrying out the method.