Process for separating a volatile organic compound from a gas
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United States of America Patent
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-
Jul 19, 1994
Grant Date -
N/A
app pub date -
Mar 19, 1993
filing date -
Apr 21, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A process is disclosed for recovering a volatile organic compound at a recovery of 90 to 96% by volume from a gas generated from gasoline, kerosine, benzene, and alcohol discharged from storage tanks, tank trucks, and tank lorries. In the process comprising absorption stages followed by desorption stages for the volatile organic compound, the pressure at the desorption stages is controlled within the area below, for instance, curves C' and B in FIG. 1 of the drawings according to the concentration of the volatile organic compound in the gas to be fed to a first absorption stage.
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