Oxygen removal from partially purified nitrogen

Details Oxygen removal from partially purified nitrogen Oxygen removal from partially purified nitrogen

C - Chemistry, Metallurgy

21

D

C21D 1/76 (2006.01) C01B 3/38 (2006.01) C01B 21/04 (2006.01)

Patent

CA 2103225

The residual oxygen in a partially purified nitrogen stream, as from a membrane or PSA unit, is reacted with a hydrocarbon to provide a protective gas atmosphere of nitrogen, carbon monoxide and hydrogen, either in an externally heated reactor or within the furnace in which the protective gas atmosphere is to be employed.

L'oxygène résiduel dans un courant d'azote partiellement purifié, comme celui provenant d'une unité à membrane ou d'une unité d'adsorption modulée en pression (PSA), est mis en réaction avec un hydrocarbure pour obtenir une atmosphère protectrice constituée d'azote, de monoxyde de carbone et d'hydrogène, soit dans un réacteur chauffé de manière externe soit dans un four dans lequel l'atmosphère protectrice doit être employée.

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