A feasibility study of membrane bio-reactor in treating pharmaceutical and acrylonitrile, butadiene and styrene (ABS) wastewater treatment

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Title:	A feasibility study of membrane bio-reactor in treating pharmaceutical and acrylonitrile, butadiene and styrene (ABS) wastewater treatment
Authors:	Chia-Yuan Chang Jing-Song Chang Jaya Kandasamy H-K Shon Saravanamuthu Vigneswaran
Contributors:	環境工程與科學系
Keywords:	Membrane bioreactor Pharmaceutical wastewater ABS pilot scale
Date:	2008-09
Issue Date:	2009-11-27 15:49:53 (UTC+8)
Abstract:	This paper highlights the MBR performance of two industrial wastewaters. The pilot-scale membrane bioreactor (MBR) (10 m3/day capacity) conducted with pharmaceutical wastewater showed a very high COD (more than 95%) and solids (more than 99%) removal. The MBR plant consisted of an aeration tank and a membrane bioreactor which was operated for a period of 140 days. A bench scale study was made to study the treatability of ABS industrial wastewater by an Aerated Submerged Membrane Bioreactor (ASMBR). The results show that a hydraulic retention time of 18 hours leads to the highest biomass concentration, a maximum MLSS value of approximately 35 g/L. The cleaning requirement was minimum. Chemical membrane cleaning was only employed twice , after 131 and 180 days of operation in the total experimental period of 204 days. The results indicate that the MBR system has a great potential in treating these two types of wastewater with stable operation and satisfactory removal performance.
Relation:	IWA World Water Congress and Exhibition，起迄日：2008/9/8~2008/9/12，地點：Vienna
Appears in Collections:	[Dept. of Environmental Engineering and Science (including master's program)] Proceedings

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