Process and apparatus for separating carbon dioxide from a waste gas of a fluid bed catalytic cracking (FCC) installation

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United States of America Patent

PATENT NO 11541348
APP PUB NO 20210187435A1
SERIAL NO

17126267

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Abstract

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In a process for separating carbon dioxide from a waste gas (3) of a fluid bed catalytic cracking installation (1) containing carbon dioxide, nitrogen and possibly carbon monoxide, the waste gas (3) is separated by adsorption to form a gas enriched in carbon dioxide and depleted in nitrogen (29) and a gas rich in nitrogen and depleted in carbon dioxide (31), and at least a portion of the gas enriched in carbon dioxide and depleted in nitrogen is separated in a separation device (30) by way of separation at a temperature of less than 0° C. by partial condensation and/or by distillation to form a fluid rich in carbon dioxide (35) and a fluid depleted in carbon dioxide (37).

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Patent Owner(s)

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

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dubettier-Grenier, Richard La Varenne Saint Hilaire, FR 38 86
Rodrigues, Guillaume La Queue en Brie, FR 20 25

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