Granulated fertilizer composition and method for its preparation

Details Granulated fertilizer composition and method for its preparation Granulated fertilizer composition and method for its preparation

1975-02-14

1977-02-15

Spear, Jr., Frank A.

Chemistry: fertilizers

Processes and products

Inorganic material

71 64E, 71 64DA, 71DIG1, 423306, 423315, C05B 700

Patent

active

040080650

ABSTRACT:
Disclosed is a granulated fertilizer composition comprising mineral phosphates calcined with alkali and between about 0.5 and 15% by weight of tetrapotassium pyrophosphate as an adjuvant. Also disclosed is a process for preparing the subject compositions.

REFERENCES:
patent: R25455 (1963-10-01), Lobdell
patent: 3409393 (1968-11-01), Stahlheber
patent: 3708275 (1973-01-01), Camp, Jr.
patent: 3776713 (1973-12-01), Quanquin et al.
patent: 3852055 (1974-12-01), Hawkes et al.

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