Control of foam formation in the manufacture of wet process phos

Details Control of foam formation in the manufacture of wet process phos Control of foam formation in the manufacture of wet process phos

1984-12-03

1986-04-08

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

252358, 423320, B01D 1904

Patent

active

045811563

ABSTRACT:
Significant improvements in defoaming in a wet-process phosphoric acid reactor are obtained by adding to the reactor during the digestion process both a surfactant defoamer and a polyacrylamide.

REFERENCES:
patent: 2390212 (1945-12-01), Fritz
patent: 3437437 (1969-04-01), Dorwart
patent: 3756959 (1973-09-01), Vitalis et al.
patent: 3761423 (1973-09-01), Hey et al.
patent: 3793223 (1974-02-01), Lichtman et al.
patent: 4065403 (1977-12-01), Satterwhite et al.
patent: 4065404 (1977-12-01), Satterwhite et al.
Phosphoric Acid Bid Comparison by J. Mayers.

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