Blends of hydroxamated polymer emulsions with polyacrylate emuls

Details Blends of hydroxamated polymer emulsions with polyacrylate emuls Blends of hydroxamated polymer emulsions with polyacrylate emuls

1995-05-30

1996-05-14

Hruskoci, Peter A.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

209 5, 210733, 210734, 423121, 423122, B01D 2101

Patent

active

055164358

ABSTRACT:
A composition comprising a blend of an inverse emulsion of a hydroxamated polymer and a second inverse emulsion of a second polymer selected from the group consisting of alkali metal (meth)acrylate homopolymers, ammonium (meth)acrylate homopolymers, and copolymers of the (meth)acrylates with (alk)acrylamides, wherein the molar ratio of hydroxamated polymer to said second polymer in the emulsion is within the range of about 99:1 to 15:85 when the second polymer is an alkali metal (meth)acrylate homopolymer or copolymer and is within the range of about 99:1 to 58:42 when said second polymer is an ammonium (meth)acrylate homopolymer or copolymer. Processes for removing suspended solids from Bayer alumina process streams using these compositions are also provided.

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