Method for filtering liquids containing particles in suspension

Details Method for filtering liquids containing particles in suspension Method for filtering liquids containing particles in suspension

1995-01-23

1997-06-24

Drodge, Joseph W.

Liquid purification or separation

Processes

Including controlling process in response to a sensed condition

73 6165, 73 6169, 210 94, 210123, 210143, 210745, 210800, B01D 2132

Patent

active

056414099

ABSTRACT:
An improved system for filtering liquids containing particles in suspension, comprising a valve system for distributing liquid, a filter and a settling tank, in which the particles suspended in the liquid can settle during various phases at decreasing rates of settling, characterised in that a device are provided for emptying the top part of the settling tank and accompanying the liquid descending in the tank, the operation of the device being delayed for at least a part of the time corresponding to the phase of maximum speed of sedimentation.

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