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Water 2017, 9(8), 563; https://doi.org/10.3390/w9080563

Study on Effects of Electron Donors on Phosphine Production from Anaerobic Activated Sludge

1
Key Laboratory for Water Quality Security and Protection in Pearl River Delta (Ministry of Education and Guangdong Province), Guangzhou University, Guangzhou 510006, China
2
College of Water Resource and Environmental Engineering, East China Institute of Technology, Nanchang 330013, China
*
Authors to whom correspondence should be addressed.
Received: 12 June 2017 / Revised: 13 July 2017 / Accepted: 24 July 2017 / Published: 30 July 2017
(This article belongs to the Special Issue Biological Treatment of Wastewater)
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Abstract

The effects of different types and concentrations of electron donors (glucose, starch, methanol and sodium acetate) on the formation of phosphine from anaerobic activated sludge that has been domesticated for a prolonged period were studied in small batch experiments. The results show that types and concentrations of electron donor have significant effects on the production of phosphine from anaerobic activated sludge. Among them, glucose was the most favourable electron donor, whereas sodium acetate was the least favourable electron donor for the removal of phosphorus and the production of phosphine. Higher concentrations of electron donors were more favourable for the reduction of phosphate into phosphine, and supplying more than nine times the amount of electron donor as theoretically required for the reduction of phosphate into phosphine was favourable for the production of phosphine. View Full-Text
Keywords: anaerobic activated sludge; electron donor; phosphine; matrix-bound phosphine (MBP) anaerobic activated sludge; electron donor; phosphine; matrix-bound phosphine (MBP)
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Cao, J.; Zhang, C.; Rong, H.; Zhao, M.; Wei, W.; Zhao, L. Study on Effects of Electron Donors on Phosphine Production from Anaerobic Activated Sludge. Water 2017, 9, 563.

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