Ore dewatering process and compositions therefor

Details Ore dewatering process and compositions therefor Ore dewatering process and compositions therefor

1989-10-13

1991-02-05

Jones, W. Gary

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210778, 252 60, 209 5, B01D 2101

Patent

active

049902644

ABSTRACT:
The present invention is directed to a dewatering aid which functions unexpectedly efficiently in the dewatering of a particulate solids slurry, e.g. mineral ore concentrate or slurry, wherein a dewatering aid is added thereto followed by filtration of the slurry. Such improved dewatering results are achieved by adding to the mineral ore slurry, an effective amount of a dewatering aid comprising an alkoxylated C.sub.6 -C.sub.11 alkanol or alkanoic acid wherein alkoxylation is conducted with propylene oxide or butylene oxide.

REFERENCES:
patent: 4039466 (1977-08-01), Matsuda et al.
patent: 4097390 (1978-06-01), Wang et al.
patent: 4410431 (1983-10-01), Roe

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