Performance and kinetic model of degradation on treating pharmaceutical solvent wastewater at psychrophilic condition by a pilot-scale anaerobic membrane bioreactor

被引：16

作者：

Chen, Zhaobo ^{[1
,2
]}

Xu, Jiao ^{[1
]}

Hu, Dongxue ^{[1
]}

Cui, Yubo ^{[1
]}

Wu, Pan ^{[1
]}

Ge, Hui ^{[1
]}

Jia, Fuquan ^{[2
]}

Xiao, Tingting ^{[1
]}

Li, Xue ^{[1
]}

Su, Haiyan ^{[1
]}

Wang, Haixu ^{[1
]}

Zhang, Ying ^{[3
]}

机构：

[1] Dalian Minzu Univ, Coll Environm & Resources, 18 Liaohe West Rd, Dalian 116600, Peoples R China

[2] Jilin Jianzhu Univ, Sch Environm & Municipal Engn, Xincheng St 5088, Changchun 130118, Jilin, Peoples R China

[3] Northeast Agr Univ, Sch Resources & Environm Sci, 59 Mucai St, Harbin 150030, Heilongjiang, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2018年 / 269卷

基金：

中国国家自然科学基金;

关键词：

Anaerobic membrane bioreactor (AnMBR); Psychrophilic condition; M-Cresol (MC); Isopropanol (IPA); N; N-Dimethylformamide; (DMF); MICROBIAL COMMUNITY; ACTIVATED-SLUDGE; DYNAMIC MEMBRANE; EGSB REACTOR; REMOVAL; TEMPERATURE; N; N-DIMETHYLFORMAMIDE; TOXICITY;

D O I：

10.1016/j.biortech.2018.08.075

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

A pilot-scale anaerobic membrane bioreactor (AnMBR) was operated for 435 days in this study, aiming to treat pharmaceutical solvent wastewater containing m-Cresol (MC), isopropanol (IPA) and N,N-Dimethylformamide (DMF) pollutants at different temperatures of 35 +/- 3 degrees C, 25 +/- 3 degrees C, 15 +/- 3 degrees C and 25 +/- 3 degrees C, respectively. The reactor reached average total removal efficiencies of about 96%, 97.2% and 98% of MC, IPA and DMF at psychrophilic condition (15 +/- 3 degrees C). Higher physical removal rate was obtained at 15 +/- 3 degrees C due to the important contribution of membrane filtration. At this stage, the biogas production, methane content and specific methanogenic activity and extracellular polymeric substances of suspended sludge were observed with the lowest level. Moreover, the kinetic models for solvent degradation were established at different temperatures, results showed the smaller maximum specific substrate degradation rate of MC and IPA, besides, the lowest degradation rate of three solvents were obtained at 15 +/- 3 degrees C.

引用

页码：319 / 328

页数：10

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