Syngas purification process

Details Syngas purification process Syngas purification process

2007-12-18

2007-12-18

Lawrence, Frank M. (Department: 1724)

Gas separation: processes

Solid sorption

Including reduction of pressure

C095S117000, C095S129000, C095S139000, C095S143000, C095S902000

Reexamination Certificate

active

11336992

ABSTRACT:
The present invention relates to a process for purifying a syngas of the CO/H2or N2/H2type, which consists in removing CO2and possibly other gaseous impurities (water, etc.) before the gas undergoes a cryogenic process. These impurities are adsorbed by the gas stream to be purified passing over an NaLSX-type zeolite and then desorbed during a regeneration step which may be performed by raising the temperature (TSA) and/or reducing the pressure (PSA or VSA).

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