Method for recovering 1,1,1-trichloroethane from textile materials
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United States of America Patent
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Jan 26, 1982
Grant Date -
N/A
app pub date -
Dec 14, 1979
filing date -
Dec 22, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
1,1,1-trichloroethane is recovered in an excellent yield from textile material without deterioration in quality of the textile material by a method in which a textile material is introduced into a hot water bath having a temperature of 64.degree. C. or more and a pH of 4.0 or more, so as to allow 1,1,1-trichloroethane to vaporize together with water, the mixture of vapors of 1,1,1-trichloroethane and water is condensed by cooling it, and then, the condensed 1,1,1-trichloroethane is separated from the condensed water.
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