CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Osmotic pressure effect on membrane fouling in a submerged anaerobic membrane bioreactor and its experimental verification
Chen, JR; Zhang, MJ; Wang, AJ; Lin, HJ; Hong, HC; Lu, XF(陆晓峰)
2012
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume125
AbstractA laboratory-scale submerged anaerobic membrane bioreactor (SAnMBR) treating sewage was used to investigate the membrane fouling mechanism. Characterization of cake layer formed on membrane surface showed that cake layer was hydrated, rich of extracellular polymeric substances (EPS) and negative charged with the charge density of 0.21-0.46 meq/kg MLSS. Detailed analysis revealed a new membrane fouling mechanism, osmotic pressure during cake layer filtration process due to the interception of ions. An osmotic pressure model was then developed to elaborate the existence of osmotic pressure and to estimate the contribution of osmotic pressure to membrane fouling. The calculated results showed that osmotic pressure accounted for the largest fraction of total operation pressure, indicating that osmotic pressure generated by the retained ions was one of the major mechanisms responsible for membrane fouling problem in MBRs. These findings provided a new insight into membrane fouling in MBRs. (C) 2012 Elsevier Ltd. All rights reserved.
Language英语
Funding Project应物所项目组
WOS IDWOS:000312759700014
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13235
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Chen, JR,Zhang, MJ,Wang, AJ,et al. Osmotic pressure effect on membrane fouling in a submerged anaerobic membrane bioreactor and its experimental verification[J]. BIORESOURCE TECHNOLOGY,2012,125.
APA Chen, JR,Zhang, MJ,Wang, AJ,Lin, HJ,Hong, HC,&Lu, XF.(2012).Osmotic pressure effect on membrane fouling in a submerged anaerobic membrane bioreactor and its experimental verification.BIORESOURCE TECHNOLOGY,125.
MLA Chen, JR,et al."Osmotic pressure effect on membrane fouling in a submerged anaerobic membrane bioreactor and its experimental verification".BIORESOURCE TECHNOLOGY 125(2012).
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