Device for filtering, washing and drying a solid material-liquid

Details Device for filtering, washing and drying a solid material-liquid Device for filtering, washing and drying a solid material-liquid

1996-12-18

1998-11-24

Lithgow, Thomas M.

Liquid purification or separation

Filter

Movable medium

210401, 210406, 210770, 210771, 210772, 210783, 34266, 34267, 34268, 34269, 34274, 34 69, C02F 1112, B01D 3304, F26B 1704, F26B 1900

Patent

active

058401873

ABSTRACT:
In a device for filtering, washing and drying a solid material-liquid mixture, using a liquid permeable filter cloth the mixture is first subjected to a pressure difference above and below the filter cloth, whereafter liquid is supplied to the mixture. The mixture present above the filter cloth is then dried according to the invention using radiation sources, the radiation from which has differing, preferably increasing, wavelengths in the processing direction. The wavelength lies in the infrared range. The applied wavelength is chosen subject to the product for filtering.

REFERENCES:
patent: 4038193 (1977-07-01), van Oosten
patent: 4813153 (1989-03-01), Palmer et al.
patent: 4979315 (1990-12-01), Pievson
patent: 5233763 (1993-08-01), Minnie, Jr.
patent: 5375344 (1994-12-01), Ruefli
patent: 5527458 (1996-06-01), Gehrmann
patent: 5678323 (1997-10-01), Dominque

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