Method and apparatus for treating a liquid mixture

Details Method and apparatus for treating a liquid mixture Method and apparatus for treating a liquid mixture

1990-03-09

1992-01-21

Silverman, Stanley S.

Liquid purification or separation

With means to add treating material

With distinct reactor tank, trough or compartment

210199, 210205, 2105121, 210738, 210788, 210498, B01D 2126, B01D 2101

Patent

active

050825607

ABSTRACT:
A method and apparatus for treating a liquid mixture to separate a clarified fraction therefrom leaving a concentrated sludge fraction involve injecting a flocculent material into the liquid mixture; and inletting the liquid material and the flocculent maerial tangentially into a vertical tank having a perforated plate spaced from its upper end dividing the tank into an upper chamber and a lower chamber, a to produce a flow in the lower chamber having a rotational velocity in the horizontal direction adjacent the outer periphery of the lower chamber, and a lower rotational velocity in the horizontal direction adjacent the center of the lower chamber. The holes in the perforated plate define reduced-area passages from the lower chamber to the upper chamber producing a vertical flow of low velocity in the lower chamber and of higher velocity through the passage in the perforated plate.

REFERENCES:
patent: 3819053 (1974-06-01), Milotich
patent: 4347141 (1982-08-01), Rothberg
patent: 4539120 (1985-09-01), Robinson

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