Effect of organic loading rate on the recovery of nutrients and energy in a dual-chamber microbial fuel cell
- Publication Type:
- Journal Article
- Bioresource Technology, 2019, 281 pp. 367 - 373
- Issue Date:
|Accepted Manuscript Effect of OLR on the recovery of nutrients and energy in a dual-chamber MFC (BITE 21136).pdf||Accepted Manuscript Version||644.99 kB|
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© 2019 Elsevier Ltd 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/m2 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.
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