Compositions and method for foam control and crystal modificatio

Details Compositions and method for foam control and crystal modificatio Compositions and method for foam control and crystal modificatio

1993-03-15

1994-01-04

Straub, Gary P.

Chemistry: physical processes

Physical processes

Crystallization

423121, 423130, 252308, C22B 1300, B01J 1300, C01F 706, C01F 714

Patent

active

052756289

ABSTRACT:
A method for defoaming a Bayer process liquor, the method comprising the steps of adding to the Bayer process liquor an effective amount of an antifoam/defoamer composition comprising a water-soluble polypropylene glycol having an average molecular weight of from about 200 to about 600 daltons.

REFERENCES:
patent: 4434142 (1984-02-01), Huckabay
patent: 5091160 (1992-02-01), Kondos et al.

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