Process for the production of hydrogen

Details Process for the production of hydrogen Process for the production of hydrogen

2011-08-16

2011-08-16

Langel, Wayne (Department: 1736)

Chemistry of inorganic compounds

Hydrogen or compound thereof

Elemental hydrogen

C252S373000, C423S650000, C423S651000, C502S038000

Reexamination Certificate

active

07998456

ABSTRACT:
The present invention provides a process for the production of hydrogen from the catalytic partial oxidation of a hydrocarbonaceous feedstock (3) with molecular oxygen (4) over a partial oxidation catalyst (6), which process comprises: during a reaction time interval contacting a first mixture of the hydrocarbonaceous feedstock and molecular oxygen with an overall oxygen-to-carbon ratio in the range of from 0.3 to 0.8 with the partial oxidation catalyst to convert the feedstock to a hydrogen-comprising gas and during a regeneration time interval contacting a second mixture of the hydrocarbonaceous feedstock and molecular oxygen with an oxygen-to-carbon ratio in the range of from 1.0 to 10 with the partial oxidation catalyst, in which process the regeneration time interval is in the range of from 2 to 10 seconds and the ratio of the reaction time interval to the regeneration time interval is at most 40.

REFERENCES:
patent: 2473525 (1949-06-01), Hoop
patent: 2873173 (1959-02-01), Neumeyer
patent: 6486087 (2002-11-01), Saling et al.
patent: 7005455 (2006-02-01), Cnossen et al.
patent: 7524786 (2009-04-01), Wang et al.
patent: 7824574 (2010-11-01), White et al.
patent: 2004/0033885 (2004-02-01), Wang et al.

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