C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/13
C22B 1/14 (2006.01) C22B 1/242 (2006.01)
Patent
CA 1078189
ABSTRACT OF THE DISCLOSURE The present invention provides a process for the agglomeration of ore materials in the presence of water and an alkali metal salt of carboxymethyl cellulose as binder, the improvement in which the binder comprises the alklai metal salt of carboxymethyl cellulose in an amount of at least 0.01%, calcu- lated on the weight of the dry ore material, in combination with at least one salt derived from an alkali metal and a low-molecular weak acid having a pK value higher than 3 and a molecular weight lower than 500 in an amount of at least 2%, calculated on the weight of the alkali metal salt of carboxymethyl cellulose. The invention further provides formed agglomerates of an ore material containing water and as binder an alkali metal salt of carboxy- methyl cellulose in an amount of at least 0.01%, calculated on the weight of the dry ore material, in combination with at least one salt derived from an alkali metal and a low-molecular weak acid having a pK value higher than 3 and a molecular weight lower than 500 in an amount of at least 2%, calculated on the weight of the alkali metal salt of carboxymethyl cellulose.
266134
Jipping Max J.
Roorda Herm J.
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