Method and device for filtering a suspension of particles in a l

Details Method and device for filtering a suspension of particles in a l Method and device for filtering a suspension of particles in a l

1986-04-14

1987-11-24

Fisher, Richard V.

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210393, 210412, 2104161, 210472, 2105123, 210780, 210787, 210791, B01D 1300, B01D 2938, B01D 3306

Patent

active

047088010

ABSTRACT:
In a method and device for filtering a suspension of particles in a liquid the liquid is passed continuously through a porous membrane, particles from the suspenion gradually accumulating on the membrane and clogging its pores. The filtered liquid is caused to flow momentarily in the reverse direction to return the accumulated particles to the suspension and so unclog the membrane. To achieve this the filtered liquid is fed into one end of a conduit wound around an axis and recovered from its other end, and the conduit is rotated about its axis, the speed of rotation gradually increasing, and then suddenly stopped.

REFERENCES:
patent: 863250 (1907-08-01), Abbe 415 71

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