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- Title
The Effect of Salinity on Membrane Fouling Characteristics in an Intermittently Aerated Membrane Bioreactor.
- Authors
Kang Xie; Siqing Xia; Jing Song; Jixiang Li; Liping Qiu; Jiabin Wang; Shoubin Zhang
- Abstract
The effect of salinity on the membrane fouling characteristics was investigated in the intermittently aerated membrane bioreactor (IAMBR). Five different salinity loadings were set from 0 to 35 g⋅L-1 (referring to NaCl), respectively. The removal of total organic carbon (TOC) and ammonia-nitrogen (NH4+-N) was gradually decreased with increasing salinity. The variation of membrane filtration resistance, particle size distribution (PSD), extracellular polymeric substances (EPS), soluble microbial products (SMP), and relative hydrophobicity (RH) analysis revealed that salinity has a significant effect on sludge characteristics in IAMBR. The results also indicated that the membrane fouling is often caused by the integration of sludge characteristics in saline wastewater.
- Subjects
BIOREACTORS; SEWAGE; HALOCLINE; FOULING organisms; SALINITY
- Publication
Journal of Chemistry, 2014, p1
- ISSN
2090-9063
- Publication type
Article
- DOI
10.1155/2014/765971