title: Biological treatment of steroidal drug industrial effluent and electricity generation in the microbial fuel cells.
abstract: The single chamber microbial fuel cells (MFCs) were used to treat steroidal drug production wastewater (SPW) and generate electricity simultaneously. The results indicated that the maximum COD removal efficiency reached 82%, total nitrogen and sulfate removal rate approached 62.47% and 26.46%, respectively. The maximum power density and the Coulombic efficiency reached to 22.3Wm(-3) and 30%, respectively. The scanning electron microscope showed that the dominant microbial populations were remarkably different in morphology on the surface of SPW and acetate-fed anodes. PCR-denaturing gradient gel electrophoresis profiles revealed that the microbial community structure fed with different concentrations of SPW presented a gradual succession and unique bacterial sequences were detected on the SPW and acetate-fed anodes. This research demonstrates that MFCs fed with SPW achieved a high efficiency of power density and simultaneous nutrient removal, and the dominant microorganisms on the anode were related to the types and the concentrations of substrates.
authors.affiliation: College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China.
authors.forename: Ru
authors.initials: R
authors.lastname: Liu
authors.forename: Chongyang
authors.initials: C
authors.lastname: Gao
authors.forename: Yang-Guo
authors.initials: YG
authors.lastname: Zhao
authors.forename: Aijie
authors.initials: A
authors.lastname: Wang
authors.forename: Shanshan
authors.initials: S
authors.lastname: Lu
authors.forename: Min
authors.initials: M
authors.lastname: Wang
authors.forename: Farhana
authors.initials: F
authors.lastname: Maqbool
authors.forename: Qing
authors.initials: Q
authors.lastname: Huang
mesh_terms: D000085:Acetates / Q000494:pharmacology; D001419:Bacteria / Q000187:drug effects / Q000378:metabolism; D001483:Base Sequence; D061249:Batch Cell Culture Techniques; D001673:Biodegradation, Environmental / Q000187:drug effects; D001674:Bioelectric Energy Sources; D057919:Biological Oxygen Demand Analysis; D016000:Cluster Analysis; D058645:Denaturing Gradient Gel Electrophoresis; D004560:Electricity; D004566:Electrodes; D007220:Industrial Waste / Q000032:analysis*; D008969:Molecular Sequence Data; D004364:Pharmaceutical Preparations / Q000302:isolation & purification*; D010802:Phylogeny; D013256:Steroids / Q000302:isolation & purification*; D055549:Volatile Organic Compounds / Q000032:analysis; D014865:Waste Disposal, Fluid; D062065:Wastewater / Q000737:chemistry
chemical_list: D000085:Acetates; D007220:Industrial Waste; D004364:Pharmaceutical Preparations; D013256:Steroids; D055549:Volatile Organic Compounds; D062065:Wastewater