Process for cleaning rolling oils
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United States of America Patent
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Jul 26, 1994
Grant Date -
N/A
app pub date -
Oct 18, 1993
filing date -
Nov 10, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Process for cleaning rolling oils which, when contaminated, contain rolling fines originating from metals being processed into semi-finished products in strip form, in particular light weight metals, e.g. aluminum fines. An addition of 2 to 8 g of dimeric oleic acid is made to each 1000 g of contaminated oil and the mixture passed through a coagulator whereby the rolling fines coagulate and can be readily removed from the contaminated oil. The purified oil can be recirculated as rolling oil.
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