Nitrogen production method and nitrogen production apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11353262
APP PUB NO 20190293348A1
SERIAL NO

16359150

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Abstract

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A portion of feed air is expanded and cooled in front of a main heat exchanger, and is used as cold for precooling the remaining unexpanded feed air inside the main heat exchanger. A portion of the feed air precooled inside the main heat exchanger is removed to outside the main heat exchanger, expanded and cooled, and used as cold to cool the remaining unexpanded precooled feed air inside the main heat exchanger.

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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

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirose, Kenji Kobe, JP 160 1545

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