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四川大学建筑与环境学院
纸质出版日期:2011,
网络出版日期:2009-11-29,
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谢晴.无介体MFC微生物催化剂的“独立驯化”与“在线驯化”结合研究[J].工程科学与技术,2011,43(1):201-207.
Xie Qing. Research on “independent” and“on-line” acclimation of bacteria catalyzer in microbial fuel cell[J]. Advanced Engineering Sciences, 2011,43(1):201-207.
中文摘要: 摘 要:采用独立驯化和在线驯化相结合的新颖方式,以碳毡、碳布和碳纸为阳极挂膜材料,考察驯化方式和阳极材料对无介体微生物燃料电池(MFC)产电性能和有机物去除效果的影响。结果表明,独立驯化期阳极材料特性对微生物挂膜的影响较大,扫描电镜结果表明挂膜效果最好的是碳毡,碳布次之,碳纸较差;在线驯化约10h后,微生物催化剂的电化学活性显著升高,第2个周期电压达到峰值(碳毡、碳布、碳纸,峰电压分别为0.803V,0.604V和0.574V),第3个周期MFC能长时间稳定运行。其中碳毡MFC电压平台维持在0.78V左右长达180h;比较MFCs的产电能力优劣顺序为:碳毡(1339.6 mW/m3)>碳纸(96.8mW/m3) >碳布(80mW/m3),COD去除率为:碳毡(89.5%)>碳纸(79%)>碳布(74.7%)。该法无须刮移生物膜
操作简便,阳极产电性能高于文献报道,利于推广。
Abstract:Abstract:A novel acclimation of “independent”and “on-line” was developed to study the power generation performance of this acclimate mode with three anodic materials including carbon felt
carbon cloth and carbon paper. The experimental results showed that the anodic characters such as the surface area
aperture distribution
surface roughness and surface electric potential had directly affected the biomass on anode in the period of “independent acclimation”. It was clear that the anodic materials were in turn carbon felt
carbon cloth and carbon paper for abundant biomass on it by SEM. After about 10h in “on-line acclimation”
the electrocatalytic activity of bacteria catalyzer was increased significantly. In the second cycle
the output voltages for MFCs reached the peak (carbon felt/0.803V; carbon cloth/0.604V; carbon paper/0.574V). In the third cycle
MFCs maintained a high stable running for long period
especially the carbon felt-biofilm,the maximal output voltage (0.78V) of it could keep more than 180h. Comparing with power density of MFCs
the priority was in turn the carbon felt (1339.6 mW/m3)
carbon paper (96.8mW/m3) and carbon cloth (80mW/m3). The efficiencies of COD removal were in turn carbon felt (89.5%)
carbon paper (79%) and carbon cloth (74.7%). The main merits of the acclimation were convenient operations and high electrical functions.
微生物燃料电池(MFC)驯化生物膜产电细菌
Microbial fuel cell (MFC)AcclimationBiofilmElectro-microorganism
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