Agglomeration of particulate material employing a polymer

Details Agglomeration of particulate material employing a polymer Agglomeration of particulate material employing a polymer

1990-08-16

1992-04-07

Andrews, Melvin J.

Specialized metallurgical processes, compositions for use therei

Processes

Consolidating metalliferous material by agglomerating,...

427221, C22B 1244

Patent

active

051024551

ABSTRACT:
Particulate material such as iron ore is agglomerated into pellets or other agglomerates by being homogeneously mixed in the presence of moisture with a binder followed by agglomeration of the moist mixture, and the binder comprises a water soluble anionic polymer having intrinsic viscosity of from about 2 to about 7 dl/g and containing 5 to about 20% by weight carboxylic monomer groups (measured as sodium salt). The preferred polymer of is the copolymer of acrylamide and 5 to 20%, preferably 5 to 15%, sodium acrylate. The binder may also comprise bentonite.

REFERENCES:
patent: 4684549 (1987-08-01), Allen et al.
patent: 4767449 (1988-08-01), Rosen et al.

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