Process and composition for the froth flotation beneficiation of

Details Process and composition for the froth flotation beneficiation of Process and composition for the froth flotation beneficiation of

1987-12-21

1989-01-03

Wax, Robert A.

Compositions

Physical separation agents

Froth-flotation or differential adherence

558169, 558170, B03D 114

Patent

active

047955783

ABSTRACT:
A process and composition are provided for the froth flotation beneficiation of iron minerals from iron ores containing silicate and phosphate minerals, comprising as collectors a combination of a primary amine and a nitrogen compound containing an anionic group selected from methylene carboxylic acid, ethylene phosphoric acid and methylene phosphonic acid.

REFERENCES:
patent: 3179250 (1965-04-01), Bunge et al.
patent: 4358368 (1982-11-01), Hellsten et al.
Ulsperger, "Anionic surfactants from amino acids and glycidyl ethers," Fette Seifen Anstrichm., 68(11), 964-7, (1966), (CA66:67040u).

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