Cleaning and liquid contact with solids – Processes – Work handled in bulk or groups
Patent
1991-06-13
1993-04-06
Morris, Theodore
Cleaning and liquid contact with solids
Processes
Work handled in bulk or groups
134 10, 134 26, 134 40, 134 42, B08B 300, B08B 304, B08B 310
Patent
active
051999978
ABSTRACT:
This invention relates to methods and apparatus for cleansing oil-contaminated particulate materials. The invention is particularly applicable to the treatment of oil well drill sites and to methods and means for continuously cleansing drill cuttings found in used drilling muds. An initial step involves the use of an inclined tub equipped with an inclined spiral conveyor for continuous stripping of the oil and other contaminants from the drill cuttings, and a second step involves the use of a similar inclined tub and inclined spiral conveyor for continuous hot rinse water treatment of the stripped cuttings. An optional ambient or cold water final rinsing step is also disclosed.
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Barber Frank T.
Cates Charles E.
clnZall Corporation
El-Arini Zeinab
Morris Theodore
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