Flocculation of coals with water-soluble starch xanthates

Details Flocculation of coals with water-soluble starch xanthates Flocculation of coals with water-soluble starch xanthates

1979-10-01

1981-03-03

Wyse, Thomas G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

C02F 156

Patent

active

042539706

ABSTRACT:
Powdered coals are rapidly flocculated from aqueous suspensions by the simple addition of water-soluble starch xanthate, thereby producing a readily recoverable sediment phase and a substantially clear aqueous phase.

REFERENCES:
patent: 3575868 (1971-04-01), Galvin et al.
patent: 3717574 (1973-02-01), Werneke
patent: 3947534 (1976-03-01), Swanson et al.
patent: 4178243 (1979-12-01), Messer
Baudet, et al., "Synthese et Caracterisation, etc.", Industrie Minerale Mineralurgie, 60(1): 19-35, (1978).

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