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By Evoqua Water Technologies | Salem City was considering a new treatment plant to replace the lagoon system it had been using since the 1980s. The City evaluated several options. Priorities included the use of biological nutrient removal (BNR), reliability, expandability, low potential for odors, and low operating, maintenance and lifetime costs. |
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Nitrogen Removal At A Very Large Scale | By KLa Systems | Historically, food processing plants discharging to public waterways or directly to publicly owned wastewater treatment plants have faced challenges in meeting effluent limitation guidelines (ELGs) for nutrient removal. That may soon become even tougher yet with the U.S. EPA announcing in September 2021 that it will initiate new rulemaking to revise the existing discharge standards for the industry. |
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The Minimalist Guide to Water Quality Analysis For Biological Nutrient Removal | By Myron L Company | Nitrogen and phosphorus are two wastewater constituents that, together, pose one of the most high-profile threats for consumers and the environment. An abundance of these elements is what ultimately leads to the formation of toxic algae in surface waters, an environmental issue that regularly gains mainstream headlines and, in some cases, poses an acute health risk to consumers. |
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