Process for recovery of tank bottom wastes
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United States of America Patent
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-
Nov 9, 1993
Grant Date -
N/A
app pub date -
Apr 15, 1992
filing date -
Apr 15, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A process for the recovery of tank bottom wastes employing a flash tank fed with hot, pressurized tank bottom wastes and separating a vapor component and heavier bottoms then fed to a stripping reactor along with hot gas producing an overhead vapor with a solid remainder. Such remainder is alternatively fed to a pyrolyzing reactor at elevated temperatures producing vapors with a solid residue. The vapor streams are used with a regenerative heat exchanger to heat said tank bottom wastes to a temperature appropriate for entering the flash tank. Certain recycled material is employed as fuel.
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