Process and apparatus for manufacturing phosphoric acid

Details Process and apparatus for manufacturing phosphoric acid Process and apparatus for manufacturing phosphoric acid

1972-05-05

1976-02-17

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

232592, 232593, 23260, 23285, 423167, 423319, 423320, C01F 1146, C01B 2522, B01J 800

Patent

active

039392481

ABSTRACT:
A method and apparatus for manufacture of wet process phosphoric acid wherein phosphate rock and sulfuric acid are separately added to a combination reactor and cooler unit at a rate of addition such that the increase in calcium content and sulfate content in the slurry contained in the unit are small. Circulation of the slurry is provided and the rate at which sulfuric acid and phosphate rock are added is small compared to the rate of circulation of the reactor slurry.

REFERENCES:
patent: 2615907 (1952-10-01), Stanton
patent: 2897053 (1959-07-01), Svanol
patent: 3257168 (1966-06-01), Chelminski
patent: 3522003 (1970-07-01), Sopher
patent: 3522004 (1970-07-01), Sopher

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