B - Operations – Transporting – 03 – D
Patent
B - Operations, Transporting
03
D
B03D 1/01 (2006.01) B03D 1/02 (2006.01) B03D 1/24 (2006.01)
Patent
CA 2150211
A process for the flotation of coarse potash ore fractions in an aqueous brine containing frother that comprises: (a) using a column flotation device in which air bubbles are generated by a sparger that utilizes high intensity shearing to mix and disperse air into brine containing frother; (b) removing a portion of the suspension at another point in the direction of flow of the suspension to regulate the upward flow rate of the suspension past the point where the air is dispersed into the suspension and thereby reducing fine particles entrainment in the froth product. The suspension can be conditioned with an aqueous composition comprising a hydrocarbon extender oil and a substantially saturated long chain primary mine, optionally comprising an acid, such as a mineral acid or carboxylic acid, to emulsify the oil in the composition, or can be conditioned with an aqueous composition comprising a long chain primary amine having an iodine value ranging from about 20 to about 70 cg/g.
Laskowski Janusz S.
Wang Qun
Gowling Lafleur Henderson Llp
The University Of British Columbia
LandOfFree
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