Method of extracting liquid from wet material

Details Method of extracting liquid from wet material Method of extracting liquid from wet material

1989-01-31

1991-05-21

Bennett, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34 57R, F26B 308

Patent

active

050163612

ABSTRACT:
A method of extracting liquid from wet material in a fluidized bed is characterized in that in a circulating fluidized bed created mechanically by a mixing means, the material is thoroughly mixed, essentially in its entirety and in that in a first stage of the method, using the heat potential of the wet material, the liquid contained at below atmospheric pressure is at least partially evaporated and in that in a second stage of the method which follows on immediately from the first, heated gas is passed through the fluidized bed, the drying process being completed by at least partial saturation of the gas with the vapor from the liquid which is to be extracted.

REFERENCES:
patent: 3439899 (1969-04-01), Hershler
patent: 3597850 (1971-08-01), Jenkins

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