Waste sludge disposal process
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United States of America Patent
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Feb 14, 1995
Grant Date -
N/A
app pub date -
Jul 14, 1993
filing date -
Jul 14, 1993
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Abstract
Waste refinery sludge having a high water content along with hydrocarbon liquids and solids is disposed of in a delayed coking process. The sludge is pretreated and heated to a coking temperature and then introduced into the top of a delayed coking drum.
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