Abstract:
:The feasibility of employing Microbial Electrochemical Technology (MET)-driven electro-Fenton oxidation was evaluated as a post-treatment of an anammox system treating sanitary landfill leachate. Two different MET configuration systems were operated using effluent from partial nitrification-anammox reactor treating mature leachate. In spite of the low organic matter biodegradability of the anammox's effluent (2401±562mgCODL-1; 237±57mgBOD5L-1), the technology was capable to reach COD removal rates of 1077-1244mgL-1d-1 with concomitant renewable electricity production (43.5±2.1Am-3NCC). The operation in continuous mode versus batch mode reinforced the removal capacity of the technology. The recirculation of acidic catholyte into anode chamber hindered the anodic efficiency due to pH stress on anodic electricigens. The obtained results demonstrated that the integrated system is a potentially applicable process to deal with bio-recalcitrant compounds present in mature landfill leachate.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Hassan M,Pous N,Xie B,Colprim J,Balaguer MD,Puig Sdoi
10.1016/j.biortech.2017.07.042subject
Has Abstractpub_date
2017-11-01 00:00:00pages
949-956eissn
0960-8524issn
1873-2976pii
S0960-8524(17)31136-7journal_volume
243pub_type
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