Lignosulfonate treated fertilizer particles

Details Lignosulfonate treated fertilizer particles Lignosulfonate treated fertilizer particles

1989-07-21

1991-08-20

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 34, 71 53, 71 60, 71 63, 71 6405, 71 6412, 71 35, C05F 500, C05D 100, C05C 100, C05C 500

Patent

active

050411535

ABSTRACT:
Synthetic inorganic chemical fertilizers are treated with lignosulfonate to harden and provide anti-caking and anti-dusting properties to the fertilizer particles. The fertilizer/lignosulfonate mixture includes up to about 5.0% by weight lignosulfonate on fertilizer. An improved method of treating inorganic fertilizers with lignosulfonate is also disclosed.

REFERENCES:
patent: 4587358 (1986-05-01), Blouin
patent: 4676821 (1987-06-01), Gullett et al.
patent: 4846871 (1989-07-01), Detroit
Socha, CA 101(25):229365z, "Anti-caking Surface Treatment of Granular Fertilizers", 1984.
Bartos, CA 100(5):33718b, "Optimization of . . . Fertilizers", 1983.

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