Treatment of coal tar emulsions
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United States of America Patent
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Jul 26, 1983
Issued Date -
N/A
app pub date -
Jan 25, 1982
filing date -
Oct 29, 1980
priority date (Note) -
Expired
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Abstract
The present invention relates to a process for the treatment of stable emulsions of water and quinoline insolubles in coal tar comprising thoroughly mixing the coal tar with at least one of a specific class of surface-active compositions, followed by a separation of water and quinoline insoluble components from the mixture. The invention also relates to a method of eliminating or minimizing the build-up of coal tar-derived deposits on surfaces in contact with the coal tar.
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