Methods and compositions for treating partitioned flows
AssigneeEoolab USA Inc.
InventorsChristopher Ryan Greulich, Michael Ignazio LaRosa
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Abstract
Methods of improving the stability of froth flotation overflows and underflows include adding 1 ppm to 1000 ppm by weight of a cationic polymer to an overflow or an underflow including 1 wt % to 20 wt % of a particulate product in a medium, wherein the particulate product is a valuable mineral product or a gangue. In particular, the addition of cationic polymer to a tailings flow—that is, a gangue in a fluid medium-reduces or eliminates “sanding”, a term of art used to describe the technical problem of deposition of gangue solids from tailings flows transported through pipes, tubes, and runways during transportation thereof e.g. to a thickener bed.
Claims20
A composition comprising a mixture of
- a cationic polymer, and
- a partitioned flow from a froth flotation of a mineral ore, the partitioned flow comprising 1 wt % to 20 wt % of a particulate product of the mineral ore in a medium.
A method of treating a partitioned flow collected from a froth flotation of a mineral ore, the method comprising adding 1 ppm to 1000 ppm by weight of a cationic polymer to the partitioned flow to form a treated partitioned flow, the partitioned flow comprising 1 wt % to 20 wt % of a particulate product in a medium, wherein the particulate product is a mineral product or a gangue.
Dependencies are inferred from the claim text.