Performance of the combined SMBR-IVCW system for wastewater treatment

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	Performance of the combined SMBR-IVCW system for wastewater treatment
	Xiao, En-Rong ; Liang, Wei ; He, Feng ; Cheng, Shui-Ping ; Wu, Zhen-Bin
	2010
会议名称	Conference on Membranes in Drinking and Industrial Water Production
会议日期	OCT 20-24, 2008
会议地点	Toulouse, FRANCE
关键词	SMBR-IVCW Submerged MBR Integrated vertical-flow constructed wetland HLR HRT
页码	781-786
通讯作者	Wu, ZB, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, 7 Donghu S Rd, Wuhan 430072, Peoples R China
中文摘要	A new SMBR-IVCW system, which combined a submerged MBR (SMBR) unit and an integrated vertical-flow constructed wetland (IVCW) unit, was applied to treat the high strength integrated wastewater. The study showed that this system of biological and ecological combination was stable and good at improving the quality and efficiency of polishing wastewater. Six runs under different HRT combinations were carried out in order to obtain the better purification performance of the SMBR-IVCW system. The results indicated that the better HRT combination was 7.7 h for SMBR and 11.52 h for IVCW. In such condition, the concentrations of COD. ammonia and TP in the final effluent were 11.0. 0.086 and 0.44 mg L-1, respectively, which reached the Class III of the national environmental quality standards for surface water in China. In fact, the HRT of the two units had great effect on the purification efficiency and investment cost. By regulating the ratio of HRT between these two units, the optimum operation conditions could be obtained to reach the double wins of high purification and low costs. In the SMBR-IVCW system, the SMBR unit acted as the secondary treatment, contributing to removing the organics and nitrification. While the IVCW unit was more like as the tertiary treatment, contributing to the denitrification and further dephosphorization. (C) 2009 Elsevier B.V. All rights reserved.
收录类别	SCI
会议录	DESALINATION
会议录出版者	ELSEVIER SCIENCE BV
会议录出版地	AMSTERDAM
语种	英语
ISSN号	0011-9164
WOS记录号	WOS:000272830700057
内容类型	会议论文
源URL	[http://ir.ihb.ac.cn/handle/342005/13871]
专题	水生生物研究所_水环境工程研究中心_会议论文
推荐引用方式 GB/T 7714	Xiao, En-Rong,Liang, Wei,He, Feng,et al. Performance of the combined SMBR-IVCW system for wastewater treatment[C]. 见:Conference on Membranes in Drinking and Industrial Water Production. Toulouse, FRANCE. OCT 20-24, 2008.