Cleaning and liquid contact with solids – Processes – Using sequentially applied treating agents
Patent
1990-02-28
1992-01-14
Morris, Theodore
Cleaning and liquid contact with solids
Processes
Using sequentially applied treating agents
134 2, 134 251, 134 40, 175 66, 423340, 423131, 208428, 210768, 210781, 210787, B08B 310
Patent
active
050807218
ABSTRACT:
A system for cleaning solids contaminated with solvent-soluble contaminants. The system, which includes both process and apparatus, comprises the use of at least two successive cleaning zones, each of which includes a slurrying stage and a centrifuge separation stage, wherein the solids to be cleaned and the solvent used for cleaning flow in countercurrent relationship to each other between the successive zones.
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Oil and Gas Journal, Aug. 14, 1972, pp. 73-76, "Cuttings Can Meet Offshore Environment Specifications".
Flanigan David A.
Williams Robert E.
Conoco Inc.
El-Arini Zeinab
Morris Theodore
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