Process for recovery of tank bottom wastes

Details Process for recovery of tank bottom wastes Process for recovery of tank bottom wastes

1992-04-15

1993-11-09

Morris, Theodore

Mineral oils: processes and products

Treatment of refining sludge

208184, 208185, 210768, 210771, C10G 3100

Patent

active

052599450

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.

REFERENCES:
patent: 3692668 (1972-09-01), McCoy et al.
patent: 4014780 (1977-03-01), McCoy

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