Tri-carboxylated and tetra-carboxylated fatty acid...

Details Tri-carboxylated and tetra-carboxylated fatty acid... Tri-carboxylated and tetra-carboxylated fatty acid...

B - Operations, Transporting

03

D

361/25

B03D 1/02 (2006.01) B03D 1/01 (2006.01)

Patent

CA 1066436

ABSTRACT OF THE DISCLOSURE A process for beneficiating non-sulfide minerals such as celestite, barite, scheelite, fluorite, calcite, magnesite, gypsum, anhydrite, cassiterite, apatite and the like comprising froth floating a pulp conditioned with gangue depressant, where necessary, and using salts of tri- and tetra- carboxyl containing fatty alkyl substituted aspartic acids, aspartic mono-esters, and aspartic di-esters.

252834

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