Method of concentrating fine coal slurries

Details Method of concentrating fine coal slurries Method of concentrating fine coal slurries

1995-05-12

1996-09-03

Husar, John

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 23, 241 2431, 241 40, 241 791, B02C 1900, B02C 2308

Patent

active

055516408

ABSTRACT:
A method for concentrating a fine coal slurry having an average particle diameter of 250 microns or less is provided in which the slurry is fed to a liquid-permeable membrane separator which provides a high rate of shear flow horizontal to the membrane. The feed may be heated to increase the flow rate, and crossflow across the membrane may be pulsed to prevent clogging of the membrane. Dispersant may also be added to improve the flow.

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