Method of filtration using convertible (semifluidized) beds

Details Method of filtration using convertible (semifluidized) beds Method of filtration using convertible (semifluidized) beds

1977-08-15

1979-06-12

Spitzer, Robert H.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Responsive to fluid flow

55 79, 210 80, 210274, B01D 3340, B01D 3700

Patent

active

041579593

ABSTRACT:
Fine particulates are removed from fluids (gases or liquids) by beds of filter media operated as convertible (semifluidized) beds, wherein the fluidized portion of the bed progressively increases in size during the filtrations. The method has particular application to filtrations which are difficult to carry out by conventional filtrations methods.

REFERENCES:
patent: 2136660 (1938-11-01), Martin
patent: 3278031 (1966-10-01), Rosaen
patent: 3374052 (1968-03-01), Fan et al.
patent: 3717251 (1973-02-01), Hampton
patent: 3737039 (1973-06-01), Hirs
patent: 3846304 (1974-11-01), Garbo
patent: 4021339 (1977-05-01), Foody
Zenz and Othmer, Fluidization & Fluid-Particle Systems, 1960, pp. 40 and 41, Reinhold Pub. Corp., New York.
Fan et al., A. I. Ch. E. Journal, vol. 5, pp. 407-409, Sep. 1959, "Semifluidization".

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