B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
B03D 1/01 (2006.01) B03D 1/006 (2006.01) B03D 1/008 (2006.01) B03D 1/018 (2006.01)
Patent
CA 2150213
A composition, adapted to be used in the flotation of ore fractions in aqueous suspension, consists essentially of: (a) water; (b) a hydrocarbon extender oil, preferably one having a low aromatics content; (c) a long chain aliphatic amine, such as a tallow-based amine, preferably one with an iodine value is less than about 20 cg/g; and (d) an acid emulsifier. This composition is prepared by the following successive steps: (a) dissolution of the amine in the oil at an elevated temperature, (b) addition of the acid to the aqueous phase, (c) addition of the oil containing the amine to the aqueous phase, and (d) emulsification of the mixture using an appropriate shearing.
Laskowski Janusz S.
Wang Qun
Gowling Lafleur Henderson Llp
The University Of British Columbia
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