Process and apparatus for the separation of a stream containing carbon dioxide, water and at least one light impurity including a separation step at subambient temperature

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United States of America Patent

PATENT NO 9895653
SERIAL NO

14413664

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Abstract

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In a process for the separation of a stream containing carbon dioxide, water and at least one light impurity including a separation step at subambient temperature, the feed stream is compressed in a compressor comprising at least two stages to form a compressed feed stream, the compressed feed stream is purified in an adsorption unit to remove water and form a dried compressed stream, the dried compressed stream or a stream derived therefrom is cooled to a subambient temperature and separated by partial condensation and/or distillation in a separation apparatus, liquid enriched in carbon dioxide is removed from the separation apparatus, the adsorption unit is regenerated using a regeneration gas and the regeneration gas is formed by separating, by permeation in a permeation unit, the dried compressed stream or a gas derived therefrom, the permeate of the permeation unit constituting the regeneration gas.

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Patent Owner(s)

Patent OwnerAddress
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE75007 PARIS

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Darde, Arthur Paris, FR 53 389
Dubettier-Grenier, Richard La Varenne Saint Hilaire, FR 38 86
Hasse, David J Middletown, US 22 339
Kulkarni, Sudhir S Wilmington, US 56 601
LeClerc, Mathieu Paris, FR 31 53
Terrien, Paul Paris, FR 55 304

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