Modified native starch base binder for pelletizing mineral material
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United States of America Patent
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Apr 26, 1994
Grant Date -
N/A
app pub date -
May 19, 1992
filing date -
Sep 26, 1990
priority date (Note) -
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Abstract
A binder for pelletizing particulate mineral material. The binder including about 30-99.5% modified native starch, and about 0.2-80% of water-dispersible polymer material selected from the group consisting of water-dispersible natural gums, water-dispersible pectins, water-dispersible starch derivatives, water-dispersible cellulose derivatives, water-dispersible vinyl polymers, water-dispersible acrylic polymers and mixtures thereof. Alternate embodiments include from about 0.5-50% lignosulfonates and/or about 0.2-40% soda ash. Mineral ore concentrate is also disclosed as are mineral ore and iron ore pellets. In addition, methods of binding particulate mineral material and of making mineral ore pellets are also disclosed.
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