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Secondary treatment is a vital stage in municipal wastewater treatment plants that focuses on the removal of persistent organic matter and dissolved pollutants, including nitrogen and phosphorus compounds, that remain after primary treatment. Various methods are commonly employed to remove organic matter, such as the activated sludge process, trickling filter process, and rotating biological contactor process. These processes harness the metabolic activities of microorganisms to facilitate the biological decomposition of organic matter.

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Secondary Treatment

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  • 发表日期：

    2025年

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  • Nitin Vitthalrao Thombre

摘要

Secondary treatment is a vital stage in municipal wastewater treatment plants that focuses on the removal of persistent organic matter and dissolved pollutants, including nitrogen and phosphorus compounds, that remain after primary treatment. Various methods are commonly employed to remove organic matter, such as the activated sludge process, trickling filter process, and rotating biological contactor process. These processes harness the metabolic activities of microorganisms to facilitate the biological decomposition of organic matter.