Ore pelletization
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United States of America Patent
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-
Nov 28, 2000
Grant Date -
N/A
app pub date -
Nov 12, 1998
filing date -
Nov 13, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
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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