Increased production of wet process phosphoric acid by gelatin a

Details Increased production of wet process phosphoric acid by gelatin a Increased production of wet process phosphoric acid by gelatin a

1981-01-29

1982-02-09

Vertiz, O. R.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

423166, 423555, C01B 2516

Patent

active

043149782

ABSTRACT:
An improved method for the production of wet process phosphoric acid wherein the addition of relatively small amounts of gelatin to the reaction system substantially increases the filtration rate of the calcium sulphate crystals without adversely affecting the quality of the acid.

REFERENCES:
patent: 2133251 (1938-10-01), McCord
Industrial and Engineering Chemistry Process Design and Development, 388, Oct. 1966 (Gilbert, R.).
Chemical Engineering, 137, Aug. 15, 1966 (James, G. R.).
Journal of Colloid Science, 13, 383-396, 1958 (McCartney, E. R. and Alexander, A. E.).

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