Chemistry: fertilizers – Processes and products – Inorganic material
Patent
1982-12-23
1984-11-13
Schor, Kenneth M.
Chemistry: fertilizers
Processes and products
Inorganic material
71 36, 71 51, 71 6408, 71 53, 241 16, C05B 700
Patent
active
044823720
ABSTRACT:
A fluid fertilizer composition based essentially on potassium chloride and an ammonium phosphate prepared by a process which comprises comminuting a solid substance containing potassium chloride and ammonium phosphate by grinding in the presence of a saturated solution of solid in a liquid in which the solid has a solubility greater than 1% by weight, the mixture of the solution and the solid being in fluid condition with the solid being a separate phase during grinding and the solution having dissolved therein an additive which is a crystal growth inhibitor for the solid whereby crystal growth is inhibited at both existing crystal surfaces and new crystal surfaces created by the breaking down of relatively coarse particles.
REFERENCES:
patent: 3113858 (1963-12-01), Slack et al.
patent: 4069034 (1978-01-01), Hoover
NFSA Liquid Fertilizer Manual; Published by NFSA, Peoria, Ill., 1967; p. 18-10.
Birchall James D.
Cooper John
Enever James A.
Palgrave Derek A.
Waite Frederick A.
Imperial Chemical Industries plc
Schor Kenneth M.
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