ABSTRACT
This research was supported by the National Natural Science Foundation of China (Nos. 21075116, 20935003 and 20820103037) and 973 Project (2009CB930100, 2011CB911002 and 2010CB933600).
AW : artifi cial wasterwater BOD : Biochemical oxygen demand CAC : Citric acid cycle CNT : Carbon nanotube COD : Chemical oxygen demand DET : Direct electron transfer GC-MS : Gas chromatography-mass spectrometry
HPLC : High-performance liquid chromatography LC-MS : Liquid chromatography-mass spectrometry MFC : Microbial fuel cell OM : outer membrane PANI : Polyaniline PEM : Proton exchange membrane SCMFC : Single-chamber microbial fuel cell
