Depressants for use in separation processes

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United States of America Patent

PATENT NO 9815717
SERIAL NO

14534764

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Abstract

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Methods for removing particulates from an aqueous suspension are provided. In at least one specific embodiment, the method can include mixing a polyamidoamine-epihalohydrin resin with an aqueous suspension comprising one or more first particulates to produce a treated mixture. An amount of the polyamidoamine-epihalohydrin resin in the treated mixture can be less than 500 g/tonne of the one or more first particulates. The method can also include recovering from the treated mixture a purified water having a reduced concentration of the one or more first particulates relative to the aqueous suspension, a purified first particulate product having a reduced concentration of water relative to the aqueous suspension, or both.

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Patent Owner(s)

Patent OwnerAddress
INGEVITY SOUTH CAROLINA LLC4920 O’HEAR AVENUE SUITE 400 NORTH CHARLESTON SC 29405

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ringold, Clay E Decatur, US 32 410
Snead, David R Atlanta, US 9 14
Swift, Brian L Oxford, US 30 399

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