Treatment of bayer process red mud slurries

Details Treatment of bayer process red mud slurries Treatment of bayer process red mud slurries

1989-12-11

1991-08-27

Silverman, Stanley S.

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210730, 210749, 210751, 210803, 423119, 423120, 423121, C02F 1100, C02F 3703

Patent

active

050430777

ABSTRACT:
A method of treating Bayer process red mud slurries to improve or facilitate the handling thereof, comprising adding to such a slurry a minor porportion of humic acids or humates effective to reduce the viscosity of the slurry.

REFERENCES:
patent: 3776717 (1973-12-01), Kapolyi et al.
patent: 4146573 (1979-03-01), Kane
patent: 4235727 (1980-11-01), Firth, Jr.
patent: 4311600 (1982-01-01), Firth, Jr.

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