Countercurrent solids-fluid contactor

Details Countercurrent solids-fluid contactor Countercurrent solids-fluid contactor

1981-02-17

1983-11-22

Bernstein, Hiram H.

Chemical apparatus and process disinfecting, deodorizing, preser

Physical type apparatus

Means separating or dissolving a material constituent

B01D 1102

Patent

active

044168594

ABSTRACT:
A method and apparatus for the countercurrent contacting of solid particles with a fluid is disclosed. The contacting is effected within a multistage tower, each stage having a weir means regulating the flow of particles within and from each chamber so that all particles receive approximately the same exposure to the contacting fluid. The disclosed design is readily scaled up to increase capacity without requiring proportional increases in the vertical dimension which are costly and might result in damage to the particles. The method and apparatus are especially adapted for washing salt from alumina microspheres.

REFERENCES:
patent: 2632720 (1953-03-01), Perry
patent: 2639973 (1953-05-01), Fritz
patent: 2702434 (1955-02-01), Richardson et al.
patent: 2702742 (1955-02-01), Hilliard, Jr.
patent: 2867429 (1959-01-01), Heath
patent: 3003640 (1961-10-01), Pearce
patent: 3079222 (1963-02-01), Reeve
patent: 3482328 (1969-12-01), Larkham
patent: 4032410 (1977-06-01), Kuxdorf et al.
patent: 4062697 (1977-12-01), Egli et al.

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