Modified lignosulfonate conditioning agent for urea particles

Details Modified lignosulfonate conditioning agent for urea particles Modified lignosulfonate conditioning agent for urea particles

1990-05-25

1991-07-16

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 6405, 71 6407, 71 6412, 564 63, C05C 900, C05G 300

Patent

active

050321641

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

REFERENCES:
patent: 4587358 (1986-05-01), Blouin
patent: 4676821 (1987-06-01), Gullett et al.
patent: 4743289 (1988-05-01), Mickus et al.

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