TECHNICAL NOTES
Dec 1, 1984

Formation and Fate of Bromoform During Desalination

Publication: Journal of Environmental Engineering
Volume 110, Issue 6

Abstract

The objectives of this study were to evaluate the formation and fate of bromoform (one of the regulated trihalomethanes) in pretreatment systems at a pilot-scale desalination facility operated to evaluate various reverse osmosis (RO) systems for desalting seawater. The various RO units being tested at the facility were also assessed with regard to their capabilities for rejecting bromoform. The results show that bromoform is produced in significant quantities when raw seawater is chlorinated, and that the bromoform concentration increases through the various pretreatment processes in use at the facility with the exception of the activated carbon columns. The cellulose triacetate hollow fine fiber RO membranes do not reject bromoform, and bromoform concentrations in the RO permeate are higher than those in the feed water to the RO units. The polyether/urea and polysulfone thin film spiral wound membranes did reject bromoform effectively.

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References

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Cooper, R. C., Leffingwell, J. T., and Petreas, M., “The Fate of Chlorination Byproducts in Reverse Osmosis Process,” EHS Publication No. 78‐1, University of California, Berkeley, Calif., Dec., 1978.
2.
Environmental Protection Agency, “National Interim Primary Drinking Water Regulations; Control of Trihalomethanes in Drinking Water; Final Rule,” Federal Register, Vol. 44, No. 231, Nov. 29, 1979, pp. 68624–68707.
3.
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Minear, R. A., “Production, Fate and Removal of THMs in Municipal Drinking Water System,” Tennessee Water Resource Research Center, Report No. 78, Apr., 1980.
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Go to Journal of Environmental Engineering
Journal of Environmental Engineering
Volume 110Issue 6December 1984
Pages: 1189 - 1193

History

Published online: Dec 1, 1984
Published in print: Dec 1984

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Authors

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Ning‐Wu Chang
Research Asst., Dept. of Environ. Sci. and Engrg., School of Public Health, Univ. of North Carolina, Chapel Hill, N.C. 27514
Philip C. Singer
Prof., Dept. of Environ. Sci. and Engrg., School of Public Health, Univ. of North Carolina, Chapel Hill, N.C. 27514

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