Abstract：
:To test the long-term applicability of scaled-up sediment microbial fuel cells (SMFCs) in simultaneous bioremediation of toxic-contaminated sediments and power-supply for electronic devices, a 100 L SMFC inoculate with heavily contaminated sediments has been assembled and operated for over 2 years without external electron donor addition. The total organic chemical (TOC) degradation efficiency was 22.1% in the electricity generating SMFCs, which is significantly higher than that in the open-circuited SMFC (3.8%). The organic matters including contaminants in the contaminated sediments were sufficient for the electricity generation of SMFCs, even up to 8.5 years by the present SMFC theoretically. By using a power management system (PMS), the SMFC electricity could be harvested into batteries and used by commercial electronic devices. The results indicated that the SMFC-PMS system could be applied as a long-term and effective tool to simultaneously stimulate the bioremediation of the contaminated sediments and supply power for commercial devices.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Yang Y,Lu Z,Lin X,Xia C,Sun G,Lian Y,Xu Mdoi
10.1016/j.biortech.2014.12.034subject
Has Abstractpub_date
2015-03-01 00:00:00pages
615-618eissn
0960-8524issn
1873-2976pii
S0960-8524(14)01771-4journal_volume
179pub_type
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