Carbon-neutral treatment of N, N-dimethylformamide-containing industrial wastewater by anaerobic membrane bioreactor (AnMBR): Bio-energy recovery and CO2 emission reduction

被引：37

作者：

Kong, Zhe ^{[1
,2
,3
,4
]}

Xue, Yi ^{[5
]}

Hao, Tianwei ^{[6
]}

Zhang, Yanlong ^{[7
]}

Wu, Jiang ^{[4
,8
]}

Chen, Hong ^{[9
]}

Song, Liuying ^{[4
]}

Rong, Chao ^{[5
]}

Li, Dapeng ^{[1
,2
,3
]}

Pan, Yang ^{[1
,2
,3
]}

Li, Yong ^{[1
,2
,3
]}

Li, Yu-You ^{[4
,5
]}

机构：

[1] Suzhou Univ Sci & Technol, Sch Environm Sci & Engn, Suzhou 215009, Peoples R China

[2] Suzhou Univ Sci & Technol, Natl & Local Joint Engn Lab Municipal Sewage Resou, Suzhou 215009, Peoples R China

[3] Suzhou Univ Sci & Technol, Jiangsu Collaborat Innovat Ctr Water Treatment Tec, Suzhou 215009, Peoples R China

[4] Tohoku Univ, Aoba Ward, Grad Sch Engn, Dept Civil & Environm Engn, 6-6-06 Aza Aoba, Sendai, Miyagi 9808579, Japan

[5] Tohoku Univ, Aoba Ward, Grad Sch Environm Studies, 6-6-06 Aza Aoba, Sendai, Miyagi 9808579, Japan

[6] Univ Macau, Fac Sci & Technol, Dept Civil & Environm Engn, Macau, Peoples R China

[7] Xiamen Univ, Coll Environm & Ecol, South Xiangan Rd, Xiamen 361102, Fujian, Peoples R China

[8] Natl Inst Environm Studies, Ctr Mat Cycles & Waste Management Res, Tsukuba 3058506, Japan

[9] Changsha Univ Sci & Technol, Sch Hydraul Engn, Key Lab Water Sediment Sci & Water Disaster Preven, Changsha 410004, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2022年 / 358卷

基金：

中国国家自然科学基金;

关键词：

Anaerobic digestion; N; N-dimethylformamide; AnMBR; Industrial wastewater; Bio-energy recovery; Carbon neutrality; ACTIVATED-SLUDGE; TREATMENT SYSTEMS; N; N-DIMETHYLFORMAMIDE; DEGRADATION; PERFORMANCE; BIODEGRADATION; DISTILLATION; GENERATION; DIGESTION; TOXICITY;

D O I：

10.1016/j.biortech.2022.127396

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

High-strength industrial wastewater containing approximately 2000 mg/L of N, N-dimethylformamide (DMF) was treated by the anaerobic membrane bioreactor (AnMBR) during a long-term operation with the concept of carbon neutrality in this study. Bio-methane was recovered as bio-energy or bio-resource from DMF-containing wastewater along with the CO2 emission reduction. The results are clear evidence of the feasibility of carbon-neutral treatment of DMF-containing wastewater by the AnMBR. With an effective degradation under the organic loading rate of 6.53 COD kg/m(3)/d at the HRT of 12 h, the AnMBR completely covered the energy consumption during long-term operation by saving electricity of 4.16 kWh/m3 compared with the conventional activated sludge process. The CO2 emission of the AnMBR was just 1.06 kg/m3, remarkably reducing 1.45 kg/m3 of CO2. The treatment of DMF-containing wastewater by the AnMBR perfectly realized the goal of carbon neutrality, and was considered as an alternative to the conventional activated sludge process.

引用

页数：11

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