Process for the partial solubilization of phosphate rock and obt

Details Process for the partial solubilization of phosphate rock and obt Process for the partial solubilization of phosphate rock and obt

1982-08-24

1984-09-04

Heller, Gregory A.

Chemistry: fertilizers

Processes and products

Inorganic material

71 40, 71 43, 71 53, 423166, 423313, 423319, 423320, 423545, C05B 1104, C05B 100, C05B 1100, C01B 2516

Patent

active

044695047

ABSTRACT:
A rapid, low temperature process for solubilizing phosphate rocks having high content of foreign matter or a low phosphorus content to obtain: (a) a slow release fertilizer of the NP type; (b) phosphoric acid of high concentration plus MAP; and (c) DAP.

REFERENCES:
patent: 1936316 (1933-11-01), Wadsted
patent: 2036494 (1936-04-01), Plummer
patent: 3552919 (1971-01-01), Roberts
patent: 3635669 (1972-01-01), Rubin

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