B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
53/11, 23/374
B01J 2/28 (2006.01) C22B 1/16 (2006.01) C22B 1/24 (2006.01) C22B 1/244 (2006.01)
Patent
CA 2023533
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.
Allen Anthony P.
Field John R.
Allen Anthony P.
Borden Ladner Gervais Llp
Ciba Specialty Chemicals Water Treatments Limited
Field John R.
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