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The Reclamation of Potable Water from Wastewater

G. J. Stander and L. R. J. Van Vuuren
Journal (Water Pollution Control Federation)
Vol. 41, No. 3, Part I (Mar., 1969), pp. 355-367
Stable URL: http://www.jstor.org/stable/25036271
Page Count: 13
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The Reclamation of Potable Water from Wastewater
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Abstract

The Republic of South Africa is not richly endowed with large rivers and, consequently, is examining the prospect of wastewater reuse. A biological-chemical pilot plant was initiated at Windhoek, S.W.A., for a future 1-mgd (3,785-cm m/day) reclamation plant to help solve the water shortage problem. The processes incorporated include flotation, ammonia stripping, recarbonization-stabilization, sand filtration, foam fractionation, chlorination, and activated carbon filtration. Costs of each process are included. Studies indicate that this system can produce potable water for $0.215 and $0.27/1,000 gal (3,785 1) for the final settling tank and primary clarified wastewater, respectively.

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