Effect of electrochemically modified anode on the performance of MFC
-
摘要: 采用不同质量分数的NH4NO3和(NH4)2S2O8溶液作为电解液, 对双室微生物燃料电池的阳极炭布进行改性。以餐厨废水作为阳极底物, 以K3[Fe (CN)6]和NaCl混合溶液为阴极液, 考察不同电解液改性阳极条件下微生物燃料电池的产电性能及污水处理效果。结果表明, 采用NH4NO3或(NH4)2S2O8改性炭布作为阳极的微生物燃料电池的发电性能和水处理效果均有改善。其中, 采用质量分数为4%的(NH4)2S2O8溶液作为阳极改性电解液时, 微生物燃料电池系统的产电性能达到最佳, 其稳态电流密度约为60 mA/m2, COD去除率约为42.5%。
-
关键词:
- 微生物燃料电池(MFC) /
- 电化学改性 /
- 阳极 /
- 餐厨废水
Abstract: NH4NO3 and (NH4)2S2O8 with different mass fractions were used as electrolyte to modify the anodic carbon cloth used in a double chamber microbial fuel cell. Using some restaurant wastewater as the anode substrate and the mixed solution of K3[Fe (CN)6] and NaCl as catholyte, the power generation performance and wastewater treatment effect of a microbial fuel cell with modified anode by different electrolytes were studied. The experimental results show that the microbial fuel cell with modified anode by NH4NO3 and (NH4)2S2O8 has a better power generation performance and sewage treatment effect. The power generating ability and the purifying effect of the microbial fuel cell achieve the optimal state with the steady current density of about 60 mA/m2 and the removal rate of COD of about 42.5% when the (NH4)2S2O8 of 4% mass fraction is used as the modified electrolyte of anode.-
Key words:
- microbial fuel cell /
- electrochemical modification /
- anode /
- restaurant wastewater
-
图 1 质量分数为2%时不同电解液的改性作用
Figure 1 Modification effect of different electrolytes with 2% mass fraction
▷: NH4NO3; ○: (NH4)2S2O8; ●: blank
图 2 质量分数为4%时不同电解液的改性作用
Figure 2 Modification effect of different electrolytes with 4% mass fraction
▷:NH4NO3; ○: (NH4)2S2O8; ●: blank
图 3 质量分数为6%时不同电解液的改性作用
Figure 3 Modification effect of different electrolytes with 6% mass fraction
▷: NH4NO3; ○: (NH4)2S2O8; ●: blank
图 5 (NH4)2S2O8浓度的影响
Figure 5 Influence of concentration of (NH4)2S2O8
○: 2%; ●: 4%; △: 6%
图 6 (NH4)2S2O8质量分数4%时的电压和功率密度
Figure 6 Voltage and power density when the mass fraction of (NH4)2S2O8 is 4%
●: voltage; ○: power density
图 7 不同改性方法下的COD去除率
Figure 7 Removal rate of COD with different modified methods
: NH4NO3; : (NH4)2S2O8; : blank
-
[1] RAHMAN D M, SAKHAWAT N B, AMIN R, AHMED F. Ensuring energy security in future: A study on different strategic plans and related environmental impacts[J]. J Sustainable Energy, 2012, 3(1): 71-75. http://search.ebscohost.com/login.aspx?direct=true&profile=ehost&scope=site&authtype=crawler&jrnl=20675534&AN=85741124&h=SR%2FVnumcRcdv%2F1IzdEUBeUPsnd68Ju1Q7%2FLoGTinQ%2F9DXb0LFO6Q6JQQ2UEvxmc%2BPIUYOptKb5gMbuQFsmAdlw%3D%3D&crl=c [2] PATIL S A, SURAKASI V P, KOUL S, IJMULWAR S, VIVEK A, SHOUCHE Y S, KAPADNIS B P. Electricity generation using chocolate industry wastewater and its treatment in activated sludge based microbial fuel cell and analysis of developed microbial community in the anode chamber[J]. Bioresour Technol, 2009, 100(21): 5132-5139. doi: 10.1016/j.biortech.2009.05.041 [3] SHAH C K, YAGNIK B N. Bioelectricity production using microbial fuel cell[J]. Res J Biotechnol, 2013, 8(3): 84-90. http://www.sciencedirect.com/science/article/pii/S0360319907004053 [4] RABAEY K, VERSTRAETE W. Microbial fuel cells: Novel biotechnology for energy generation[J]. Trends Biotechnol, 2005, 23(6): 956-964. http://www.sciencedirect.com/science/article/pii/S0167779905000922 [5] SINGH D, PRATAP D, BARANWAL Y, KUMAR B, CHAUDHARY R K. Microbial fuel cells: A green technology for power generation[J], Ann Biol Res, 2010, 1(3): 128-138. [6] PANDEY, B K, MISHRA V, AGRAWAL S. Production of bio-electricity during wastewater treatment using a single chamber microbial fuel cell[J]. Int J Eng, Sci Technol, 2011, 3(4): 42-47. http://www.oalib.com/paper/1332984 [7] HUGGINS T, FALLGREN P H, JIN S, REN Z J. Energy and performance comparison of microbial fuel cell and conventional aeration treating of wastewater[J]. J Microbial Biochem Technol, 2013, (S6): 1-5. https://www.researchgate.net/publication/289591530_Energy_and_performance_comparison_of_microbial_fuel_cell_and_conventional_aeration_treating_of_wastewater [8] 赵煜, 马彦, 李婷, 薄晓, 王俊文, 李鹏, 钟丽萍, 孙彦平.生物燃料电池处理生活污水同步产电特性研究[J].燃料化学学报, 2014, 42(4): 481-486. doi: 10.1016/S1872-5813(14)60024-4ZHAO Yu, MA Yan, LI Ting, BO Xiao, WANG Jun-wen, LI Peng, ZHONG Li-ping, SUN Yan-ping. Treatment of sewage and synchronous electricity generation characteristics by microbial fuel cell[J]. J Fuel Chem Technol, 2014, 42(4): 481-486. doi: 10.1016/S1872-5813(14)60024-4 [9] OH S T, KIM J R, PREMIER G C, LEE T H, KIM C, SLOAN W T. Premier sustainable wastewater treatment: How might microbial fuel cells contribute[J]. Biotechnol Adv, 2010, 28(6): 871-881. doi: 10.1016/j.biotechadv.2010.07.008 [10] DU Z, LI H, GU T. A state of the art review on microbial fuel cells: A promising technology for wastewater treatment and bioenergy[J]. Biotechnol Adv, 2007, 25(5): 464-482. doi: 10.1016/j.biotechadv.2007.05.004 [11] LEE C Y, CHEN J H, CAI Y Y. Bioelectricity generation and organic removal in microbial fuel cells used for treatment of wastewater from fish-market[J]. J Environ Eng Manage, 2010, 20(3): 173-180. https://www.researchgate.net/publication/266585768_Bioelectricity_generation_and_organic_removal_in_microbial_fuel_cells_used_for_treatment_of_wastewater_from_fish-market?_sg=BW7KKcZyzZSCdixiJDQk-7SImRELprTPGCdESluMqiuh6E51hMLFnGLjlmcYLYNYWeireIBsLFfj3HZB1Nh_Vg [12] 周宇, 刘中良, 侯俊先, 杨斯琦, 李艳霞, 邱文革.化学氧化改性微生物燃料电池阳极[J].化工学报, 2015, 66(3): 1171-1177. http://www.cnki.com.cn/Article/CJFDTOTAL-HGSZ201503041.htmZHOU Yu, LIU Zhong-liang, HOU Jun-xian, YANG Si-qi, LI Yan-xia, QIU Wen-ge. Microbial fuel cell anode modified by chemical oxidation[J]. CIESC J, 2015, 66(3): 1171-1177. http://www.cnki.com.cn/Article/CJFDTOTAL-HGSZ201503041.htm [13] 谢晴, 毛翔洲, 张玲, 叶路生, 彭蜀君, 但德忠.影响MFC产电能力及污水净化的非生物因素研究[J].化学学报, 2010, 68(19): 1935-1941. http://www.cnki.com.cn/Article/CJFDTOTAL-HXXB201019002.htmXIE Qing, MAO Xiang-zhou, ZHANG Ling, YE Lu-sheng, PENG Shu-jun, DAN De-zhong. Study on effect of abiotic factors on electricity-generation and wastewater-treatment by microbial fuel cells[J]. Acta Chim Sin, 2010, 68(19): 1935-1941. http://www.cnki.com.cn/Article/CJFDTOTAL-HXXB201019002.htm [14] YOU J, SANTORO C, GREENMAN J, MELHUISH C, CRISTIANI P, LI B, IEROPOULOS I. Micro-porous layer (MPL)-based anode for microbial fuel cells[J]. Int J Hydrogen Energ, 2014, 39(36): 21811-21818. doi: 10.1016/j.ijhydene.2014.07.136 [15] 郭云霞, 刘杰, 梁杰英.电化学改性PAN基碳纤维表面及其机理探析[J].无机材料学报, 2009, 24(4): 853-858. doi: 10.3724/SP.J.1077.2009.00853GUO Yun-xia, LIU Jie, LIANG Jie-ying. Modification mechanism of the surface treated PAN based carbon fiber by electrochemical oxidation[J]. J Inorg Mater, 2009, 24(4): 853-858. doi: 10.3724/SP.J.1077.2009.00853 [16] 刘鸿鹏, 吕春祥, 李永红, 杨禹, 李开喜, 贺福.电化学表面处理PAN基炭纤维的表面性能研究[J].新型炭材料, 2005, 20(1): 39-44. http://www.cnki.com.cn/Article/CJFDTOTAL-XTCL200501007.htmLIU Hong-peng, LÜ Chun-xiang, LI Yong-hong, YANG Yu, LI Kai-xi, HE Fu. Surface properties of electrochemically oxidized PAN-based carbon fibers[J]. New Carbon Mater, 2005, 20(1): 39-44. http://www.cnki.com.cn/Article/CJFDTOTAL-XTCL200501007.htm [17] 周俊, 王秀军.微生物燃料电池阳极改性修饰最新研究进展[J].化学工业与工程技术, 2014, 35(1): 56-60. http://www.cnki.com.cn/Article/CJFDTOTAL-HXGJ201401023.htmZHOU Jun, WANG Xiu-jun.Research progress in anode modification of microbial fuel cells[J]. J Chem Ind Eng, 2014, 35(1): 56-60. http://www.cnki.com.cn/Article/CJFDTOTAL-HXGJ201401023.htm [18] WANG X, CHENG S, FENG Y, MERRILL M D, SAITO T, LOGAN B E. Use of carbon mesh anodes and the effect of different pretreatment methods on power production in microbial fuel cells[J].Environ Sci Technol, 2009, 43(17): 6870-6874. doi: 10.1021/es900997w [19] 樊立萍, 苗晓慧.微生物燃料电池处理餐饮废水及同步发电性能研究[J].燃料化学学报, 2014, 42(12): 1506-1512. http://rlhxxb.sxicc.ac.cn/CN/abstract/abstract18545.shtmlFAN Li-ping, MIAO Xiao-hui. Study on the performance of microbial fuel cell for restaurant wastewater treatment and simultaneous electricity generation[J]. J Fuel Chem Technol, 2014, 42(12): 1506-1512. http://rlhxxb.sxicc.ac.cn/CN/abstract/abstract18545.shtml -
下载:
点击查看大图
图(8)
计量
- 文章访问数: 121
- HTML全文浏览量: 41
- PDF下载量: 3
- 被引次数: 0
