期刊
BIORESOURCE TECHNOLOGY
卷 256, 期 -, 页码 11-16出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2018.01.144
关键词
Tubular photosynthetic microbial fuel cell; Anaerobically digested effluent; Algal biomass; Organics composition; Ammonium migration
资金
- National Science Fund for Excellent Young Scholars [51322811]
- Science and Technology Development Planning of Shandong Province [2012GGE27027]
- Program for New Century Excellent Talents in University of Ministry of Education of China [NCET-12-0341]
- Foundation for Outstanding Young Scientists in Shandong Province [ZR2016EEB26]
Anaerobically digested effluent from kitchen waste (ADE-KW) was used herein as the substrate of a tubular photosynthetic microbial fuel cell (PMFC) for power production, and also, after being diluted, as a medium for cultivation of algae in the cathodic chamber. Adding 3 mg/L phosphorus to the catholyte could efficiently enhance the algal growth and the PMFC performance. About 0.94 g/L algal biomass and 0.57 kWh/m(3)-ADE-KW bioelectricity were obtained from the PMFC. Soluble microbial byproduct-like material and aromatic proteins were the dominant organics in the ADE-KW, which were readily degradable in the system. About 79% of the 1550 mg/L ammonium in the anolyte transferred to the catholyte through the cation exchange membrane. The ammonium was removed mainly as electron acceptors at the cathode after being oxidized by oxygen, whereas algal assimilation only account for about 14.6% of the overall nitrogen.
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