C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/22 (2006.01) B01D 37/02 (2006.01)
Patent
CA 2618420
The present invention provides a process for dewatering a mineral slurry concentrate and increasing the production of the resulting filter cake consisting essentially of mixing an aqueous mineral slurry concentrate with an effective amount of a nonionic surfactant and an effective amount of a cationic polymer to form a nonionic surfactant and cationic polymer treated aqueous mineral slurry concentrate, and subjecting the treated aqueous mineral slurry concentrate to a liquid water removal process for dewatering the treated aqueous mineral slurry and for increasing the production of a resulting filter cake of the dewatered mineral slurry. An improved mineral slurry concentrate composition and an improved mineral concentrate filter cake is also disclosed.
Groff Todd W.
Hovland Keith C.
Lesar Michael P.
Rakutis Ruta O.
Sundberg Charles R.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Neo Solutions Inc.
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