Method for separation of coarse particules

Details Method for separation of coarse particules Method for separation of coarse particules

1987-11-27

1989-04-18

Hart, Charles

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

209164, 209170, 209165, 2102212, B03D 112

Patent

active

048224936

ABSTRACT:
The disclosure herein describes a method for the separation of hydrophobic from hydrophilic materials in a liquid suspension by means of gas bubbles and a flow of water that drags the hydrophobic material upwards. A distinctive feature of the method is an upward flow of water countercurrent to the flow of settling hydrophilic particles. The disclosure describes a cell in which gas is caused to disperse into an ascending flow of liquid and in which a feed port is provided to introduce particles in a flow countercurrent to that of the bubbles and water.

REFERENCES:
patent: 3298519 (1967-01-01), Hollingsworth
patent: 3574331 (1971-04-01), Kurosawa et al.
patent: 3730341 (1973-05-01), Mames et al.
patent: 4639313 (1987-01-01), Zipperian
patent: 4722784 (1988-02-01), Barnscheidt

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