Impact of temperature on feed-flow characteristics and filtration performance of an upflow anaerobic sludge blanket coupled ultrafiltration membrane treating municipal wastewater

被引：77
作者：
Ozgun, Hale [1 ,2 ]
Tao, Yu [1 ,3 ]
Ersahin, Mustafa Evren [1 ,2 ]
Zhou, Zhongbo [1 ,4 ]
Gimenez, Juan B. [1 ,5 ]
Spanjers, Henri [1 ]
van Lier, Jules B. [1 ]
机构：
[1] Delft Univ Technol, Dept Water Management, Sect Sanit Engn, NL-2600 GA Delft, Netherlands
[2] Istanbul Tech Univ, Fac Civil Engn, Dept Environm Engn, TR-34469 Istanbul, Turkey
[3] Harbin Inst Technol, State Key Lab Urban Water Resource & Environm, Harbin 150090, Peoples R China
[4] Sun Yat Sen Univ, Sch Environm Sci & Engn, Guangzhou 510275, Guangdong, Peoples R China
[5] Univ Valencia, Escola Tecn Super Engn, Dept Engn Quim, E-46100 Valencia, Spain
来源：
WATER RESEARCH | 2015年 / 83卷
关键词：
Anaerobic membrane bioreactor; Membrane fouling; Municipal wastewater; Temperature; Upflow anaerobic sludge blanket reactor; HYDRAULIC RETENTION TIME; CRITICAL FLUX; PILOT-SCALE; PSYCHROPHILIC CONDITIONS; BIOREACTOR TREATMENT; REACTORS; MBR; OPERATION; SYSTEM; MICROFILTRATION;
D O I：
10.1016/j.watres.2015.06.035
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The objective of this study was to assess the operational feasibility of an anaerobic membrane bioreactor (AnMBR), consisting of an upflow anaerobic sludge blanket (UASB) reactor coupled to an ultrafiltration membrane unit, at two operational temperatures (25 degrees C and 15 degrees C) for the treatment of municipal wastewater. The results showed that membrane fouling at 15 degrees C was more severe than that at 25 degrees C. Higher chemical oxygen demand (COD) and soluble microbial products (SMP) concentrations, lower mean particle diameter, and higher turbidity in the UASB effluent at lower temperature aggravated membrane fouling compared to the 25 degrees C operation. However, the overall AnMBR treatment performance was not significantly affected by temperature, which was attributed to the physical membrane barrier. Cake resistance was found responsible for over 40% of the total fouling in both cases. However, an increase was observed in the contribution of pore blocking resistance at 15 degrees C related to the larger amount of fine particles in the UASB effluent compared to 25 degrees C. Based on the overall results, it is concluded that an AnMBR, consisting of a UASB coupled membrane unit, is not found technically feasible for the treatment of municipal wastewater at 15 degrees C, considering the rapid deterioration of the filtration performance. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：71 / 83
页数：13
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