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RISBiological Excess-Sludge Reduction and Sludge Settleability Improvement Using a New Modified IFAS-OSA Process by Adding an Anoxic Sludge-Holding Tank to the Return Activated Sludge Line of the System
Publisher: ASCE
Abstract: Integrated fixed film activated sludge-oxic settling anoxic system (IFAS-OSA) is a new, modified system for excess-sludge reduction. In this research, the efficiency of the IFAS-OSA system in biological excess-sludge ...