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Biological Nutrient Removal manual

Minnesota Pollution Control Agency 520 Lafayette Rd N St. Paul, MN 55155-4194 651-296-6300 Toll free 800-657-3864 August 2011 Biological Nutrient Removal Authors Kay Curtin Steve Duerre Brian Fitzpatrick Pam Meyer Editing and Graphic Design Nancy Ellefson The Minnesota Pollution Control Agency acknowledges with appreciation the Water Environment Federation and the Wisconsin Department of Natural Resources for use of their information on Biological and chemical phosphorus Removal in this manual . Printed on 100% post-consumer recycled content paper manufactured without chlorine or chlorine derivatives. Biological Nutrient Removal | Contents 1 Table of contents Acronyms .. 2 Glossary of Nutrient Removal Terms .. 3-8 Introduction .. 9-13 Nitrogen Removal .. 13-17 Phosphorus Removal .

An essential nutrient that is often present in wastewater as ammonia, nitrite, nitrate, and organic nitrogen. The sum of these is expressed as Total Nitrogen : Nitrogen cycle . The chemical transformation of nitrogen through various stages of decomposition and assimilation : Nitrogen gas . Gaseous form of nitrogen, also called atmospheric nitrogen.

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