Composition useful for reducing the caking tendency of particula

Details Composition useful for reducing the caking tendency of particula Composition useful for reducing the caking tendency of particula

1975-06-16

1976-10-19

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

423268, C07C12143

Patent

active

039870774

ABSTRACT:
An aqueous solution is prepared by: (a) admixing nitrilotriacetonitrile and aqueous hydrochloric acid to form a first mixture; (b) reacting the nitrilotriacetonitrile and the hydrochloric acid components of the first mixture at 25.degree.-70.degree. C to form a second mixture; and (c) adjusting the pH of the second mixture to about 3-7 by admixing the second mixture and sodium hydroxide, potassium hydroxide, or ammonia to form the aqueous solution. Said solution is useful for reducing the caking tendency of particulate sodium chloride. Said solution is also useful as an additive to systems in which potassium chloride is to be separated from sodium chloride by froth flotation. Said solution is also useful as an inhibitor for inhibiting the crystallization of sodium chloride from brines, including brines encountered in oil well operations.

REFERENCES:
patent: 2855428 (1958-10-01), Singer et al.
patent: 3409666 (1968-11-01), Foreman
patent: 3463811 (1969-08-01), Godfrey et al.
"The Chemistry of the Cyano Group", Edited by Rappoport, 1970, Interscience Publishers, pp. 168-169.
"Handbook of Tables for Organic Compound Identification", 3rd Ed., 1967, Chemical Rubber Co., p. 344.

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