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Microbial fuel cell: optimizing pH of anolyte and catholyte by using taguchi method
Author(s) -
Kumar Pradeep,
Mungray Arvind Kumar
Publication year - 2017
Publication title -
environmental progress and sustainable energy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.495
H-Index - 66
eISSN - 1944-7450
pISSN - 1944-7442
DOI - 10.1002/ep.12459
Subject(s) - taguchi methods , microbial fuel cell , orthogonal array , chemistry , power density , faraday efficiency , design of experiments , analytical chemistry (journal) , chromatography , power (physics) , mathematics , electrode , electrochemistry , thermodynamics , statistics , physics , anode
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. L 16 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/m 3 . 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