Process for purifying oxygen containing recycle gas deriving from ozonization
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United States of America Patent
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Aug 16, 1983
Grant Date -
N/A
app pub date -
Jun 28, 1979
filing date -
Jun 30, 1978
priority date (Note) -
Expired
status (Latency Note)
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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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