Dewatering of Fine Particle Clay Waste Using a Flocculant.
Authors
Scheiner BJ; Smelley AG
Source
Pres At SME-AIME Ann Meeting Atlanta, Georgia, 1983 Mar; :10 pages
Link
NIOSHTIC No.
10002873
Abstract
The Bureau of Mines is conducting research on a dewatering technique for fine particles generated during the mineral beneficiation process that will recover a portion of the water now being lost using conventional waste disposal methods and significantly reduce the time required for land reclamation. The technique utilizes a flocculant, polyethylene oxide (peo), that forms strong stable flocs that can be dewatered rapidly on static and/or rotary screens. In field tests, phosphate clay waste has been dewatered from a nominal 2.5 percent solids to greater than 20 percent solids. In other field tests, coal-clay waste has been dewatered from a nominal 3 percent solids to greater than 55 percent solids. In addition, small-scale continuous tests have shown that bentonitic clays can be dewatered from 12 percent solids to 40 percent solids.
Publication Date
19830301
Document Type
OP;
Fiscal Year
1983
Identifying No.
OP 32-83
NIOSH Division
TURC;
Source Name
Pres. At SME-AIME Ann. Meeting, Atlanta, Georgia, March 6-10, 1983, Sme AIME Preprint 83-2
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