Process and plant for removing carbon dioxide from synthesis gas

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11826694
APP PUB NO 20220143546A1
SERIAL NO

17524026

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Abstract

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The present invention relates to a process for removing carbon dioxide from synthesis gas using a hygroscopic, physical absorption medium. The process includes cooling the absorption medium and the synthesis gas; water is at least partially removed from the synthesis gas by condensation; carbon dioxide is removed from the cooled synthesis gas via the cooled absorption medium in a physical absorption step at elevated pressure; laden absorption medium is treated in a plurality of serially arranged flash stages, wherein co-absorbed carbon monoxide and hydrogen are removed from the laden absorption medium in at least one first flash stage, and carbon dioxide is removed from the laden absorption medium in a flash stage arranged downstream of the first flash stage. The process features a high rate of separated carbon dioxide and a pure and dry (anhydrous) carbon dioxide product. The invention further relates to a plant for performing the process.

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Patent Owner(s)

Patent OwnerAddress
L'AIR LIQUIDE SOCIÉTÉ L'ETUDE ET L'EXPLOITATION DES PROCÉDÉS GEORGES CLAUDEPARIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Corbet, Sharon Frankfurt, DE 14 6
Linicus, Matthias Eppstein, DE 11 18
Schmidt, Sophia Frankfurt am Main, DE 26 30

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