Binder composition for the agglomeration of fine minerals and pelletizing process

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United States of America Patent

PATENT NO 11124855
APP PUB NO 20190226050A1
SERIAL NO

16370655

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Abstract

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A process for pelletizing particles of a fine mineral ore, the process comprises the steps of

    a) mixing the particles of a fine mineral ore with a binder composition to obtain a pellet feed,b) forming the pellet feed into balls,c) drying the balls to form dried balls,d) preheating the dried balls at 60 to 105° C. until constant weight to form preheated balls,e) subsequently heating the preheated balls to a temperature of 1200° C. to 1400° C. to obtain pellets,wherein the binder composition comprises a) at least one colloid agent which exerts a cohesive force on the particles of a fine mineral ore forming the pellets, andb) at least one synthetic polymer which disperses the particles of a fine mineral ore in the pellets,wherein the synthetic polymer is a maleic acid/acrylic acid or a maleic acid/methacrylic acid copolymer.

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Patent Owner(s)

Patent OwnerAddress
CLARIANT INTERNATIONAL LTD4132 MUTTENZ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arias, Medina Jorge Antonio Forest Hill, AU 6 6
Bartalini, Nilson Mar Sao Paulo, BR 6 6
Da, Silva Wagner Claudio São Paulo, BR 12 12
Dilsky, Stefan Gerbrunn, DE 11 36
Santos, Almir T Santos, BR 3 3
Speck, Cassola Monica Sao Paulo, BR 6 6
Tooge, Carlos Augusto Blasques Sao Paulo, BR 4 5

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