Dewatering of mineral suspensions

C - Chemistry – Metallurgy – 23 – F

Patent

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134/39, 362/53

C23F 14/00 (2006.01) B01D 21/01 (2006.01) B01D 37/03 (2006.01) C02F 5/00 (2006.01) C11D 7/00 (2006.01)

Patent

CA 1104906

Abstract of the disclosure: An improved process for concentrating and dewatering of mineral suspensions by filtration which comprises adding to the suspension prior to the filtration as filter aid a composition containing a sulfosuccinate of the formula I Image wherein R1 and R2 each are an alkyl radical having about 6 to 12 carbon atoms and Me is an alkali metal, and an aliphatic amine having at least 5 carbon atoms.

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