Specialized metallurgical processes – compositions for use therei – Processes – Consolidating metalliferous material by agglomerating,...
Patent
1998-11-12
2000-11-28
King, Roy V.
Specialized metallurgical processes, compositions for use therei
Processes
Consolidating metalliferous material by agglomerating,...
C22B 1244
Patent
active
061529850
ABSTRACT:
A process is provided for pelletising a metal ore comprising forming an intimate mixture of particulate ore and a binder in the presence of moisture, forming green pellets by agitation of the mixture and firing the green pellets to produce ore pellets. In the process the binder comprises a hydroxamate polymer made from water-soluble ethylenically unsaturated monomer or monomer blend and which has pendant groups of the formula ##STR1## This provides advantages in wet strength, dry strength and drop number of pellets, especially at low moisture content of the pellets.
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patent: 6011089 (2000-01-01), Davies et al.
Ciba Specialty Chemicals Water Treatments Limited
Crichton David R.
King Roy V.
McGuthry-Banks Tima
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