Process for fine coal cleaning

Details Process for fine coal cleaning Process for fine coal cleaning

1987-12-31

1989-03-07

Lacey, David L.

Classifying, separating, and assorting solids

Fluid suspension

Liquid

209 1, 210709, 210744, 210 86, B03D 102, B03D 110, C02F 100

Patent

active

048103713

ABSTRACT:
A process for automating fine coal cleaning including monitoring the operation of a flotation cell for separating coal from ash impurities by automatically detecting the coal content of the tailings from the cell and controlling the supply of additives to the cell to optimize slurry coal recovery and automatically monitoring the fluid level of the coal slurry in a dewatering filter tub to control the supply of additives to the filter tub and functioning of a dewatering filter.

REFERENCES:
patent: 3960726 (1976-06-01), Peterson
patent: 4040954 (1977-08-01), Chandler
patent: 4576723 (1986-03-01), Eisalauer
patent: 4675116 (1987-06-01), Hoyland
patent: 4707272 (1987-11-01), Kistler

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