Process for producing phosphoric acid and dicalcium phosphate

Details Process for producing phosphoric acid and dicalcium phosphate Process for producing phosphoric acid and dicalcium phosphate

1977-09-26

1979-02-27

Vertiz, O. R.

Fishing, trapping, and vermin destroying

Vermin destroying

Insect

423320, 423321S, C01F 1100

Patent

active

041419588

ABSTRACT:
Phosphatic raw materials are treated with phosphoric acid to obtain monocalcium phosphate which is dissociated with an organic solvent to yield high grade phosphoric acid and fertilizer grade dicalcium phosphate.

REFERENCES:
patent: 1929442 (1933-10-01), Milligan
patent: 2181933 (1939-12-01), Block et al.
patent: 2914380 (1959-11-01), Vickery
patent: 3118731 (1964-01-01), Svanoe
patent: 3150957 (1964-09-01), Seymour et al.
patent: 3410656 (1968-11-01), Bunia et al.
patent: 3539291 (1970-11-01), Chiola et al.
patent: 3840639 (1974-10-01), Drechsel
patent: 3840640 (1974-10-01), Drechsel
Phosphoric Acid, Phosphates, & Phosphate Fertillizers, Waggman et al., 1927, pp. 176 to 178.

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