Nitrate Removal From Drinking Water—Review
Publication: Journal of Environmental Engineering
Volume 123, Issue 4
Abstract
Nitrate concentrations in surface water and especially in ground water have increased in Canada, the United States, Europe, and other areas of the world. This trend has raised concern because nitrates cause methemoglobinemia in infants. Several treatment processes including ion exchange, biological denitrification, chemical denitrification, reverse osmosis, electrodialysis, and catalytic denitrification can remove nitrates from water with varying degrees of efficiency, cost, and ease of operation. Available technical data, experience, and economics indicate that ion exchange and biological denitrification are more acceptable for nitrate removal than reverse osmosis. Ion exchange is more viable for ground water while biological denitrification is the preferred alternative for surface water. This paper reviews the developments in the field of nitrate removal processes.
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Published In
Journal of Environmental Engineering
Volume 123 • Issue 4 • April 1997
Pages: 371 - 380
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Copyright © 1997 American Society of Civil Engineers.
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Published online: Apr 1, 1997
Published in print: Apr 1997
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