Biological treatment of ammonium-rich wa
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Christian Fux; Marc Boehler; Philipp Huber; Irene Brunner; Hansruedi Siegrist
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Article
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2002
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Elsevier Science
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English
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In wastewater treatment plants with anaerobic sludge digestion, 15 ร/20% of the nitrogen load is recirculated to the main stream with the return liquors from dewatering. Separate treatment of this ammonium-rich digester supernatant would significantly reduce the nitrogen load of the activated sludge