Digestion performance and contributions of organic and inorganic fouling in an anaerobic membrane bioreactor treating waste activated sludge

被引：22

作者：

Hafuka, Akira ^{[1
]}

Mashiko, Riho ^{[2
]}

Odashima, Ryuto ^{[2
]}

Yamamura, Hiroshi ^{[2
]}

Satoh, Hisashi ^{[3
]}

Watanabe, Yoshimasa ^{[4
]}

机构：

[1] NIES, Ctr Reg Environm Res, 16-2 Onogawa, Tsukuba, Ibaraki 3058506, Japan

[2] Chuo Univ, Fac Sci & Engn, Dept Integrated Sci & Engn Sustainable Soc, Bunkyo Ku, 1-13-27 Kasuga, Tokyo 1128551, Japan

[3] Hokkaido Univ, Fac Engn, Div Environm Engn, North 13,West 8, Sapporo, Hokkaido 0608628, Japan

[4] Chuo Univ, Res & Dev Initiat, Bunkyo Ku, 1-13-27 Kasuga, Tokyo 1128551, Japan

来源：

BIORESOURCE TECHNOLOGY | 2019年 / 272卷

基金：

日本学术振兴会;

关键词：

Anaerobic digestion; Biogas; Cross-flow filtration; Membrane fouling; Polytetrafluoroethylene membrane; MODELING APPROACH; WATER TREATMENT; TEMPERATURE; WASTEWATERS; MBRS;

D O I：

10.1016/j.biortech.2018.09.147

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

This study evaluates the performance of an anaerobic membrane bioreactor (AnMBR) digesting waste activated sludge. A digestion reactor equipped with an external hollow fiber microfiltration membrane module was operated in continuous-mode for 248 days. The system demonstrated 56% volatile solids degradation at an organic loading rate of 0.40 g-VS/(L.d) in 15 days of hydraulic retention time. The average methane content in the biogas produced was 76% which is considerably high compared to that from a typical continuously stirred tank reactor. The transmembrane pressure remained under 12 kPa without membrane cleaning during the experimental period due to low filtration flux (0.01-0.07 m/d) and cross-flow-mode filtration. Ex situ membrane cleaning revealed that physically irreversible fouling was the dominant form of membrane fouling. Inorganic and organic fouling accounted for 16% and 45% of total membrane fouling, respectively.

引用

页码：63 / 69

页数：7

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