Mustard tuber wastewater was utilized in a dual-chamber microbial fuel cell (MFC) to achieve simultaneous bio-energy recovery and pollutant removal. The multi-cycle performance of MFC using high strength mustard tuber wastewater were in stable batch operation with a 1000Ω external resistor. The maximum power density of 7.44W/m3were observed in the fifth cycle, and the according internal resistance, open circuit voltage, COD removal and columbic efficiency were 88Ω, 746mV, (65±2.5)% and (19.3±1)%, respectively. COD removal continuously increased to (73 ±3.3)%, the maximum rate, in the eighth cycle after start-up; meanwhile, the rapid increase of columbic efficiency till (19.3±1)% in the fifth cycle were followed by the slow declination. PH values of the anode effluent continuously decreased during the operation leading to the acidification. A sustainable power generation was able to be achieved with a 500Ω external resistor. An overshoot was also observed in power curves in the multi-cycle operation.
Chai H X, Kang W. Influence of biofilm density on anaerobic sequencing batch biofilm reactor treating mustard tuber wastewater[J]. Applied Biochemistry and Biotechnology, 2012, 168(6):1664-1671.
McCary P L, Bae J, Kim J. Domestic wastewater treatment as a net energy producer-can this be achieved[J] Environment Science and Technology, 2011,45(17):7100-7106.
Kaewkannetra P, Chiwes W, Chiu T Y. Treatment of cassava mill wastewater and production of electricity through microbial fuel cell technology[J]. Fuel, 2011,90:2746-2750.
Kim K Y, Yang W L, Logan B E. Impact of electrode configurations on retention time and domestic wastewater treatment efficiency using microbial fuel cells[J]. Water Research, 2015,80:41-46.
Min B, Logan B E. Continuous electricity generation from domestic wastewater and organic substrates in a flat plate microbial fuel cell[J]. Environment Science and Technology, 2004,38(21):5809-5814.
Ge Z, Ping Q Y, Xiao L, et al. Reducing effluent discharge and recovering bioenergy in an osmotic microbial fuel cell treating domestic wastewater[J]. Desalination, 2012,312:52-59.
Ghadge A N, Jadhav D A, Pradhan H, et al. Enhancing waste activated sludge digestion and power production using hypochlorite as catholyte in clayware microbial fuel cell[J]. Bioresource Technology, 2015,182:225-231.
Wang Z W, Ma J X, Xu Y L, et al. Power production from different types of sewage sludge using microbial fuel cells:A comparative study with energetic and microbiological perspectives[J]. Journal of Power Sources, 2013,235:280-288.
Zhang G D, Zhao Q L, Jiao Y, et al. Efficient electricity generation from sewage sludge using biocathode microbial fuel cell[J]. Water Research, 2012,46(1):43-52.
Lefebvre O, Tan Z, harkwal S, et al. Effect of increasing anodic NaCl concentration on microbial fuel cell performance[J]. Bioresource Technology, 2012,112:336-340.
Guo F, Fu G K, Zhang Z. Mustard tuber wastewater treatment and simultaneous electricity generation using microbial fuel cells[J]. Bioresource Technology, 2013.136:425-30.
Tremouli A, Intzes A, Intzes P, et al. Effect of periodic complete anolyte replacement on the long term performance of a four air cathodes single chamber microbial fuel cell[J]. Journal of Applied Electrochemistry, 2015,45(7):755-763.
Zhang G D, Wang K, Zhao Q L, et al. Effect of cathode types on long-term performance and anode bacterial communities in microbial fuel cells[J]. Bioresource Technology, 2012,118:249-256.
He Z, Angenent L T. Application of bacterial biocathodes in microbial fuel cells[J]. Electroanalysis, 2006,18:2009-2015.
Baranitharan E, Khan M R, Prasad D M R, et al. Effect of biofilm formation on the performance of microbial fuel cell for the treatment of palm oil mill effluent[J]. Bioprocess and Biosystems Engineering, 2015,38(1):15-24.
Bond D R, Lovley D R. Electricity production by Geobacter sulfurreducens attached to electrodes[J]. Applied and Environmental Microbiology, 2003,69(3):1548-1555.
Zhang G D, Zhao Q L, Jiao Y, et al. Long-term operation of manure- microbial fuel cell[J]. Bioresource Technology, 2015, 180:365-369.
Kiely P D, Rader G, Regan J M, et al. Long-term cathode performance and the microbial communities that develop in microbial fuel cells fed different fermentation endproducts[J]. Bioresource Technology, 2011,102(1):361-366.
Zhuang L, Yuan Y, Wang Y Q, et al. Long-term evaluation of a 10-liter serpentine-type microbial fuel cell stack treating brewery wastewater[J]. Bioresource Technology, 2012,123:406-412.
Logan B E, Regan J M. Microbial fuel cells-Challenges and Applications[J]. Environment Science and Technology, 2006, 40(17):5172-5180.
Menicucci J, Beyenal H, Marsili E, et al. Procedure for determining maximum sustainable power generated by microbial fuel cells[J]. Environment Science and Technology, 2016,40:1062-1068.
Mohan S V, Mohanakrishna G, Srikanth S, et al. Harnessing of bioelectricity in microbial fuel cell (MFC) employing aerated cathode through anaerobic treatment of chemical wastewater using selectively enriched hydrogen producing mixed consortia[J]. Fuel, 2008,87(12):2667-2676.
Watson V J, Logan B E. Analysis of polarization methods for elimination of power overshoot in microbial fuel cells[J]. Electrochemistry Communications, 2011,13(1):54-56.
Ieropoulos I, Winfield J, Greenman J. Effects of flow-rate, inoculum and time on the internal resistance of microbial fuel cells[J]. Bioresource Technology, 2010,101:3520-3525.