Process for purifying oxygen containing recycle gas deriving fro

Details Process for purifying oxygen containing recycle gas deriving fro Process for purifying oxygen containing recycle gas deriving fro

1979-06-28

1983-08-16

Milestone, Norma S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

55 48, 55 55, 55 89, 55 97, 568469, 562544, 562545, C07D32302, B01D 1900, B01D 4700, B01D 4600, C07C 5116, C07C 120

Patent

active

043992927

ABSTRACT:
A process for separating and recovering organic compounds from an oxygen-taining recycle gas deriving from an ozonization process is disclosed. The process comprises the separation of products in form of fumes from the gas, the countercurrent scrubbing of the gas with a polyoxyalkyleneglycol containing 2-4 carbon atoms, pre-treated with a monocarboxylic acid anhydride and/or the countercurrent scrubbing of the gas with the polyoxyalkyleneglycol or with an excess of a base. The organic compounds are recovered either by stripping (at atmospheric pressure or under vacuum) or by hydrolysis followed by distillation (at atmospheric pressure or under vacuum).

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