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Dewatering of waste effluent from a tile manufacturing plant.

Authors
Hood-GD; Smelley-AG
Source
Tuscaloosa, AL: U.S. Department of the Interior, Bureau of Mines, RI 9376, 1991 Jan; :1-6
Link
NIOSHTIC No.
10010827
Abstract
The U.S. Bureau of Mines developed a dewatering technique for treating wastewater that was tested on waste slurry from a commercial tile company in Alabama. Raw wastewater samples were pretreated with 10 lb calcium chloride and 10 lb Wyoming bentonite per 1,000 gal of slurry. After pretreatment, polyethylene oxide (peo) at dosages varying from 0.05 to 0.20 Lb per 1,000 gal was mixed with the waste slurry, forming strong, tough flocs that were separated from the clarified water using a trommel. The flocculated slurry was dewatered to a consistency that could be handled for subsequent disposal in a landfill. The clarified water quality was equivalent to that of the company's present treatment system.
Keywords
Industrial-waste-treatment; Waste-water; Calcium-chloride; Bentonite; Dosage; Waste-disposal; Earth-fills; Slurries; Mines; Dewatering
Publication Date
19910101
Document Type
IH; Report of Investigations
Fiscal Year
1991
NTIS Accession No.
PB92-110972
NTIS Price
A03
Identifying No.
RI-9376
NIOSH Division
TURC
Source Name
Tuscaloosa, AL: U.S. Department of the Interior, Bureau of Mines, RI 9376
State
AL; WY
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