Method of providing fertilizer from brines

Details Method of providing fertilizer from brines Method of providing fertilizer from brines

1984-09-04

1986-03-18

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Inorganic material

71 43, 71 33, 423306, C05B 1110

Patent

active

045766274

ABSTRACT:
A process is provided for the recovery of one or more useful products including fertilizer, salt, and/or purified process water from brines. The source of the brines can be oil field wastes, seawater, or other inland brine sources. Phosphoric acid is initially added to the brine followed by addition of ammonia or a basic form of potassium. The resulting precipitate is useful as a fertilizer. The remaining salt in the brine may then be removed and recovered along with purified process water.

REFERENCES:
patent: 3135595 (1964-06-01), Williams
patent: 3374081 (1968-03-01), Miller
patent: 4007030 (1977-02-01), Schroeder et al.
patent: 4015971 (1977-04-01), Barannik et al.
patent: 4069033 (1978-01-01), Baldassari
patent: 4117089 (1978-09-01), Fujita et al.
patent: 4176057 (1979-11-01), Wheatley et al.
patent: 4188291 (1980-02-01), Anderson
patent: 4482459 (1984-11-01), Shiver

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