Aggregates

Details Aggregates Aggregates

B - Operations, Transporting

01

J

18/946

B01J 2/28 (2006.01) C10L 5/14 (2006.01) C22B 1/244 (2006.01)

Patent

CA 1163767

ABSTRACT OF DISCLOSURE The invention concerns a method of forming aggregates of particulate material such as coal dust, mineral ores, sand, graphite, sawdust, fertilisers and the like by treating the particles with the reaction product of (a) an aqueous emulsion of a synthetic polymer containing acidic groups and (b) a basic sub- stance which neutralises at least some of the acidic groups. (a) is preferably acrylic acid or methyl- acrylic acid copolymerised with a C1 and C4 alkyl acrylate or styrene or butadiene, and (b) is prefer- ably an alkali and a polymer emulsion which imparts non-wetting properties to the particulate material is optionally added.

391649

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