Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...
Patent
1981-01-16
1982-10-19
Castel, Benoit
Liquid purification or separation
Processes
Making an insoluble substance or accreting suspended...
210711, 210717, C02F 124, C02F 152
Patent
active
043549411
ABSTRACT:
A contaminated carrier liquid in a chamber is cleaned by adding thereto oil particles having a charge and a composition that induces the formation of an hydroxide floc to form an intermediate filtering layer in the chamber. A top clean oil layer is recovered and a bottom clean aqueous layer is recovered. The intermediate layer can be treated to form a composition that can be recycled to form an hydroxide floc.
REFERENCES:
patent: 3128248 (1964-04-01), Suzuki et al.
patent: 3446732 (1969-05-01), Gasser et al.
patent: 3749667 (1973-07-01), Lindstrom
patent: 3884803 (1975-05-01), Traylor
patent: 3931005 (1976-01-01), Gasser
patent: 4186094 (1980-01-01), Hellberg
Castel Benoit
Cook Paul J.
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