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Water Recovery and Disposal of Clay Waste Slimes.

Authors
Scheiner-BJ; Smelley-AG
Source
1980 :249-253
Link
NIOSHTIC No.
10001875
Abstract
As part of research conducted in its mission to effect pollution abatement, the Bureau of Mines is developing a dewatering technique that allows for disposal of mineral wastes, for reuse of water now lost with these wastes, and for reclamation of mined land. The technique utilizes a high-molecular-weight nonionic polyethylene oxide polymer that has the ability to flocculate and dewater materials containing clay wastes. A variety of different clay wastes have been successfully dewatered in laboratory experiments. Coal-clay waste was consolidated from 4 to 57 wt-pct, potash-clay brine waste from 20 to 62 wt-pct, phosphatic-clay waste from 16 to 49 wt-pct, uranium mill tailings from 15 to 67 wt-pct, and talc tailings from 10 to 53 wt-pct. The consolidated materials can be handled by mechanical devices such as trucks and conveyors for disposal in mined-out areas.
Publication Date
19800101
Document Type
OP;
Fiscal Year
1980
NTIS Accession No.
NTIS Price
Identifying No.
OP 61-80
NIOSH Division
TURC;
Source Name
1980 Symp. on Surface Mining Hydrology, Sedimentology and Reclamation, Dec. 1980, PP. 249-253
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