Method and apparatus for forming and ion-exchanging a filter cak

Details Method and apparatus for forming and ion-exchanging a filter cak Method and apparatus for forming and ion-exchanging a filter cak

1989-04-18

1990-03-13

Fisher, Richard V.

Liquid purification or separation

Processes

Ion exchange or selective sorption

210248, 210273, 210400, 210406, 210679, 210681, 239193, B01D 3332, C02F 142

Patent

active

049081365

ABSTRACT:
Disclosed is an improved method and apparatus for creating a more uniform filter cake on a vacuum filter belt. A weir box for depositing a slurry on the filter belt has an outlet in the form of a plurality of slots spaced transversely of the filter belt with each slot being in the form of a truncated triangle with the base of the triangle being located closer to the filter belt than the truncated portion of the triangle.

REFERENCES:
patent: 1017083 (1912-02-01), Cuppel
patent: 3524731 (1970-08-01), Effron et al.
patent: 3685971 (1972-08-01), Carson
patent: 3943233 (1976-03-01), Swanson et al.
patent: 4048284 (1977-09-01), Horton et al.
patent: 4483770 (1984-11-01), Casey et al.
patent: 4495070 (1985-01-01), Pierson
patent: 4673507 (1987-06-01), Brown

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