Effect of organic loading rate on the recovery of nutrients and energy in a dual-chamber microbial fuel cell

被引：67
|
作者：
Ye, Yuanyao [1 ]
Ngo, Huu Hao [1 ,3 ,4 ]
Guo, Wenshan [1 ,3 ,4 ]
Chang, Soon Woong [2 ]
Dinh Duc Nguyen [2 ]
Liu, Yiwen [1 ]
Long Duc Nghiem [1 ]
Zhang, Xinbo [3 ,4 ]
Wang, Jie [5 ]
机构：
[1] Univ Technol Sydney, Ctr Technol Water & Wastewater, Sch Civil & Environm Engn, Sydney, NSW 2007, Australia
[2] Kyonggi Univ, Dept Environm Energy & Engn, Suwon 442760, South Korea
[3] Tianjin Chengjian Univ, Joint Res Ctr Protect Infrastruct Technol & Envir, Sch Environm & Municipal Engn, Tianjin 300387, Peoples R China
[4] Univ Technol Sydney, Sch Civil & Environm Engn, Sydney, NSW 2007, Australia
[5] Tianjin Polytech Univ, Sch Environm & Chem Engn, Tianjin 300387, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2019年 / 281卷
关键词：
Domestic wastewater; Microbial fuel cell; Nutrients recovery; Energy recovery; DAIRY WASTE-WATER; ELECTRICITY-GENERATION; BIOELECTRICITY GENERATION; OPERATIONAL PARAMETERS; SYSTEM; DEGRADATION; CONSUMPTION; PERFORMANCE; PHOSPHORUS; SUBSTRATE;
D O I：
10.1016/j.biortech.2019.02.108
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
This study aimed to assess the impacts of organic loading rate (OLR) (435-870 mgCOD/L.d) on nutrients recovery via a double-chamber microbial fuel cell (MFC) for treating domestic wastewater. Electricity generation was also explored at different OLRs, including power density and coulombic efficiency. Experimental results suggested the MFC could successfully treat municipal wastewater with over 90% of organics being removed at a wider range of OLR from 435 to 725 mgCOD/L.d. Besides, the maximum power density achieved in the MFC was 253.84 mW/m(2) at the OLR of 435 mgCOD/L.d. Higher OLR may disrupt the recovery of PO43--P and NH4+-N via the MFC. The same pattern was observed for the coulombic efficiency of the MFC and its highest value was 25.01% at the OLR of 435 mgCOD/L.d. It can be concluded that nutrients and electrical power can be simultaneously recovered from municipal wastewater via the dual-chamber MFC.
引用
收藏
页码：367 / 373
页数：7
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