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US Patent 7309378 Syngas purification process

Patent 7309378 was granted and assigned to Arkema on December, 2007 by the United States Patent and Trademark Office.

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Patent Citations Received

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US Patent 12077435 Method of generating clean syngas

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US Patent 11760949 Two-stage syngas production with separate char and product gas inputs into the second stage

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US Patent 11760631 Method of producing a cooled syngas of improved quality

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Patent Inventor Names

Remi Le Bec0

Stephane Bancon0

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Patent abstract

The present invention relates to a process for purifying a syngas of the CO/H2 or N2/H2 type, which consists in removing CO2 and 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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