Multi-Population Model of a Microbial Electrolysis Cell | Zendy

R.P. Pinto | Zendy; B. Srinivasan | Zendy; Adrián Escapa | Zendy; B. Tartakovsky | Zendy

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Multi-Population Model of a Microbial Electrolysis Cell

Author(s) -

R.P. Pinto,

B. Srinivasan,

Adrián Escapa,

B. Tartakovsky

Publication year - 2011

Publication title -

environmental science and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.851

H-Index - 397

eISSN - 1520-5851

pISSN - 0013-936X

DOI - 10.1021/es104268g

Subject(s) - microbial electrolysis cell , wastewater , organic matter , electrolysis , population , biochemical engineering , fermentative hydrogen production , sewage treatment , microorganism , environmental science , pulp and paper industry , microbial fuel cell , chemistry , hydrogen production , environmental engineering , biohydrogen , hydrogen , bacteria , biology , engineering , electrode , anode , organic chemistry , sociology , electrolyte , genetics , demography

This work presents a multi-population dynamic model of a microbial electrolysis cell (MEC). The model describes the growth and metabolic activity of fermentative, electricigenic, methanogenic acetoclastic, and methanogenic hydrogenophilic microorganisms and is capable of simulating hydrogen production in a MEC fed with complex organic matter, such as wastewater. The model parameters were estimated with the experimental results obtained in continuous flow MECs fed with acetate or synthetic wastewater. Following successful model validation with an independent data set, the model was used to analyze and discuss the influence of applied voltage and organic load on hydrogen production and COD removal.

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