Method for removing liquid from a mixture of liquid and solid ma

Liquid purification or separation – Processes – Separating

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210386, 210401, B01D 3304

Patent

active

051338831

ABSTRACT:
A method for removing liquid from a mixture of liquid and solid matter wherein the mixture is led over one or more casings by a conveyor belt which is pervious to liquid. In use a sub-atmospheric pressure is generated in the casings during a first period, in which the casing(s) and the conveyor belt are stationary with respect to each other, while at the same time a pressure is exerted on the mixture by one or more rollers. During a period following the first period, a relative movement takes place between the conveyor belt and the casing(s), while during this period no sub-atmospheric pressure is exerted in the casings and no compressive force is exerted on the mixture by the rollers.

REFERENCES:
patent: 3459122 (1969-08-01), Pastoors et al.
patent: 3531404 (1970-09-01), Goodman et al.
patent: 4038193 (1977-07-01), Oosten
patent: 4101400 (1978-07-01), Pepping
patent: 4153550 (1979-05-01), Lautrette
patent: 4194946 (1980-05-01), Ootani et al.
patent: 4324659 (1982-04-01), Titoff
patent: 5041222 (1991-08-01), O'Dell

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