Method and device for separating air by cryogenic distillation

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United States of America Patent

PATENT NO 10295253
APP PUB NO 20160245586A1
SERIAL NO

15027826

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Abstract

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The invention relates to a method for separating air by cryogenic distillation in a set of columns including a first column operating at a first pressure, a second column operating at a second pressure which is lower than the first pressure, and a third column operating at a third pressure, which is lower than the second pressure, wherein the third column includes first and second evaporator-condensers, and nitrogen from a cold compressor is sent to one of the evaporator-condensers.

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Patent Owner(s)

  • L'AIR LIQUIDE - SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Davidian, Benoit Saint Maur des Fosses, FR 60 56

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