Froth flotation process using condensates of hydroxyethylethylen

Details Froth flotation process using condensates of hydroxyethylethylen Froth flotation process using condensates of hydroxyethylethylen

1979-11-08

1981-06-30

Halper, Robert

Classifying, separating, and assorting solids

Fluid suspension

Liquid

B03D 102

Patent

active

042761565

ABSTRACT:
In the beneficiation of phosphate ore by the flotation of siliceous material, a collector prepared by condensing a mixture of a fatty acid or ester, and ethanolamine and a hydroxyethylethylenediamine improves the separation of phosphate from silica.

REFERENCES:
patent: 2173909 (1939-09-01), Kritchevsky
patent: 2206928 (1940-07-01), Ulrich
patent: 2278107 (1942-03-01), Jayne
patent: 2290411 (1942-07-01), De Groote
patent: 2290414 (1942-07-01), De Groote
patent: 2312414 (1943-03-01), Jayne
patent: 2389763 (1945-11-01), Cahn
patent: 2574407 (1951-11-01), Malkemus
patent: 2710856 (1955-06-01), Carpenter
patent: 3179250 (1965-04-01), Bunge

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