Bioelectricity production from food waste leachate using microbial fuel cells: Effect of NaCl and pH

Li, Xiao Min; Cheng, Ka Yu; Wong, Jonathan W.C.

doi:10.1016/j.biortech.2013.09.037

Cited by 85 publications

(31 citation statements)

References 34 publications

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“…The use of buffers is another way to maintain suitable values of pH in both compartments (Li et al 2013b;Vologni et al 2013;Fan et al 2007aFan et al , 2007bMin et al 2008;Qiang et al 2011;Nam et al 2010;Torres et al 2008;Fornero et al 2010a;Ahn & Logan, 2013). The buffers affect MFC performance due to their chemical composition and interaction with electrodes, bacteria, and membrane.…”

Section: Effect Of Phmentioning

confidence: 99%

“…In order to avoid some of these problems and to ensure a continuous feed of a buffer at a low cost, the addition of acid buffers to the cathode compartment in the form of carbon dioxide (Torres et al 2008;Fornero et al 2010a) and the use of saline solutions in both compartments have been studied (Ahn & Logan, 2013;Li et al 2013b). The use of saline solutions, such as sodium chloride, was found to be an effective way to control pH and lead to an increase of the solution conductivity, a decrease of the internal resistance and an increase of the power density (Ahn & Logan, 2013;Li et al 2013b). These species can migrate to the anode compartment as hydroxide ion carriers at a rate much higher than the hydroxide ions themselves and act as buffers on this compartment.…”

Section: Effect Of Phmentioning

confidence: 99%

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Sewage Treatment Plants

2015

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Section: Effect Of Phmentioning

confidence: 99%

Section: Effect Of Phmentioning

confidence: 99%

Sewage Treatment Plants

2015

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“…In most of the study, they used neutral or little alkaline pH values (6–9) in the anode chamber. It is because of controlling anodic medium close to the neutral pH condition would allow the electroactive biofilm to function better . Behera and Ghagrekar , Behera et al .…”

Section: Introductionmentioning

confidence: 99%

“…In most of the study, they used neutral or little alkaline pH values (6)(7)(8)(9) in the anode chamber. It is because of controlling anodic medium close to the neutral pH condition would allow the electroactive biofilm to function better [15,19]. Behera and Ghagrekar [22], Behera et al [23], and Yuan et al [24] suggested that most anode-attached bacteria favor the alkaline pH conditions because of effective extracellular electron transfer and electrogenic bacterial growth.…”

Section: Introductionmentioning

confidence: 99%

Microbial fuel cell: optimizing pH of anolyte and catholyte by using taguchi method

Kumar

Mungray

2016

Env Prog and Sustain Energy

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In this study, the Taguchi method was used to optimize pH of anolyte and catholyte in terms of obtaining maximum power density of a microbial fuel cell (MFC). The anolyte pH and catholyte pH were selected as operating parameters, with their corresponding levels. L16 orthogonal array was selected for the experimental design. Each of experiments was repeated two times for calculating the signal‐to‐noise (S/N) ratio. However, based on Taguchi method, optimum anolyte and catholyte pH were observed 8 and 1, respectively. A confirmation experiment was done with the optimum conditions and based on that, maximum power density was observed at 2491.42 mW/m3. Analysis of variance (ANOVA) was carried to recognize the percentage contributions of operating parameters in the process and accordingly it was found 53.59% for anolyte and 46.40% for catholyte pH. The optimization study of both pH suggests low internal resistances and high Coulombic efficiency that favored for both high power density. © 2016 American Institute of Chemical Engineers Environ Prog, 36: 120–128, 2017

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“…For those MFCs fed with brewery wastewater, extra adding salts like NaCl is an effective way to increase performance. (Li et al, 2013b;Liu et al, 2005a)…”

Section: Solution Ph and Ion Strengthmentioning

confidence: 99%

Development of high-performance microbial fuel cells by enhancing extracellular electron transfer between bacteria and electrode materials

Yu¹

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I greatly appreciate my supervisor Asst. Prof. Song Hao for his continuous help and guidance in the whole project running and his generosity in providing me the experiment equipment and materials. His wisdom, knowledge and experience always inspire and motivate me and teach me to think and act as a PhD candidate. His encouragement and suggestions in the detailed work help me benefit the progress in the past years. Meanwhile, I appreciate Assist. Prof. Yang Liang and Assist. Prof. Cao Bin (from Singapore Centre on Environmental Life Sciences Engineering (SCELSE)), for they provide strains and discuss with me to develop ideas in my works. Appreciate Dr. Guo Chun-xian, Dr. Shi Jingsheng and Dr. Fu A-fu for their help in providing materials and equipment in the corresponding works. I also appreciate Dr. Yong Yang-chun, Dr. Chen Hai-lan and Ms. Liu Ting as our cooperative works in the past years. I appreciate all my group mates and staffs in School of Chemical and Biomedical Engineering, especially Dr. Yu Shu-cong and Dr. Ong Teng-teng who provide technical support on SEM, Confocal Microscope and HPLC. This thesis could only be completed with their continuous help in the past years.

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Bioelectricity production from food waste leachate using microbial fuel cells: Effect of NaCl and pH

Cited by 85 publications

References 34 publications

Sewage Treatment Plants

Sewage Treatment Plants

Microbial fuel cell: optimizing pH of anolyte and catholyte by using taguchi method

Development of high-performance microbial fuel cells by enhancing extracellular electron transfer between bacteria and electrode materials

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