Process for the production of high purity hydrogen by catalytic

Details Process for the production of high purity hydrogen by catalytic Process for the production of high purity hydrogen by catalytic

1989-05-26

1992-03-03

Langel, Wayne A.

Chemistry of inorganic compounds

Hydrogen or compound thereof

Elemental hydrogen

423437, C01B 302, C01B 3120

Patent

active

050931024

ABSTRACT:
The invention relates to a process for the production of hydrogen by steam reforming of methanol, in which water and methanol are reacted (4), under relatively high pressure, over a suitable catalyst. The gases emitted from the reaction are contacted (10), after condensation (7) under relatively high pressure, with an adsorption agent, such that the byproducts of the reaction are adsorbed and a hydrogen-rich gas is liberated (11). Also, byproducts which are recycled to the steam reforming reactor (4), are periodically desorbed under relatively low pressure at along with a fraction of the hydrogen present in the adsorption zone (10), after being submitted to recompression (13) and removal (14), under relatively high pressure, of at least a portion of carbon the dioxide, the desorbed gas fraction is recycled to the steam reforming reactor.

REFERENCES:
patent: 4840783 (1989-06-01), Quang et al.

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