B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
361/14
B03D 1/02 (2006.01) B03D 1/01 (2006.01)
Patent
CA 1176765
ABSTRACT OF THE DISCLOSURE This invention relates to the use of primary ali- phatic ether amines as silica collectors in the concentra- tion of minerals by the froth flotation process. More specifically, it relates to the use of mixtures of primary methyl branched aliphatic ether amines and the partially neutralized salts thereof as flotation reagents. In fur- ther aspect, it relates to the use of mixtures of 3-iso- octoxypropyl monoamine and 3-isodecoxypropyl monoamine or of 3-isononyloxypropyl monoamine and its ethoxylated and propoxylated derivatives and/or the partially neutralized acetate salts thereof as collectors for silica in the beneficiation of oxidized taconite ores.
385331
Freyberger Wilfred L.
Keck John W.
Mcglothlin Quentin T.
O'brien Barry M.
Shaw Donald L.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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