Method of extracting organic contaminants from process waters
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United States of America Patent
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-
May 21, 1985
Grant Date -
N/A
app pub date -
Nov 4, 1981
filing date -
Nov 4, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a method for removing an organic contaminant from process waters, the contaminant is extracted from the water in a countercurrent extractor by a low-boiling water-immiscible solvent. The solvent extract is sparged with an inert gas to vaporize the solvent, and the raffinate is sparged with an inert gas to vaporize any dissolved solvent therefrom. Solvent is condensed from the vapors and returned to the extractor.
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