Process for recovering organic substances from spent air vapors
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United States of America Patent
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Apr 10, 1984
Grant Date -
N/A
app pub date -
Sep 13, 1982
filing date -
Sep 18, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process for recovering preferably water-insoluble organic substances such as nitrobenzene, dichlorobenzene and/or trichlorobenzene by absorption from spent air vapors which contain these substances. The process comprises passing the spent air vapors through a high-boiling organic liquid, preferably polyethylene glycol, subsequently adding water to the saturated absorbent and separating the recovered organic substance from the absorbent/water mixture after phase separation.
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