Solid disposable waste from mineral tailings

Details Solid disposable waste from mineral tailings Solid disposable waste from mineral tailings

C - Chemistry, Metallurgy

02

F

362/48

C02F 1/00 (2006.01)

Patent

CA 1071339

3012 In the United States Patent Office APPLICATION OF GREGORY C. BOSTIC and DAVID A. HAWLEY FOR SOLID DISPOSABLE WASTE FROM MINERAL TAILINGS ABSTRACT OF THE DISCLOSURE An improved method for preparing readily disposable waste composites which are non-sticky and may be handled by con- ventional equipment from mineral tailings and coarse particulate matter is disclosed. This is accomplished by taking a thickener underflow containing a slurry of mineral talings which is difficul to settle and adding to this material a polypolar polymer followed by adding the thus treated material to a vibrating screen having placed thereon coarse mineral refuse. The screen is then vibrated to effect water removal. A semi-solid waste composite which can ? readily handled is recovered. Water draining from the screen con- tains slight amounts of particulate matter and it is generally recycled to a clarifier or thickener.

267913

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