Modelling the simultaneous production and separation of acetic acid from CO2 using an anion exchange membrane microbial electrosynthesis system

BACKGROUND

Microbial electrosynthesis is a carbon capture technology capable of transforming CO2 into valuable organic compounds. The aim of this article is to model the simultaneous production and separation of acetate in an anion-exchange membrane microbial electrosynthesis cell which employs CO2 as feedstock.

 

RESULTS

The maximum amount of acetate product produced was 0.72 mmol after 19 operational days. Simultaneous production and separation of acetate begun after 4 days when 0.95 mol/m3 and 0.04 mol/m3 of acetate were detected in the cathode and anode MES cell chambers respectively. A model which fits the simultaneous production and separation of acetate in the microbial electrosynthesis cell was successfully developed and validated.

 

CONCLUSION

The microbial electrosynthesis model developed in this work can be used to predict the product concentrations of a carbon capture technology which simultaneously produces and separates acetate product.

Additional Info

  • Year: 2016
  • Authors: F. Matemadombo, Sebastià Puig, R. Ganigué, R. Ramírez-García, P. Batlle-Vilanova, M. Dolors Balaguer, Jesús Colprim
  • Reference: Journal of Chemical Technology and Biotechnology, in press

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Laboratory of Chemical and Enviromental Engineering

Institut de Medi Ambient
Universitat de Girona
Campus Montilivi
17003 Girona

Parc Científic i Tecnològic de la UdG
Edifici Jaume Casademont, Porta B
Pic de Peguera, 15
17003 Girona
Tel. +34 972 41 98 59
info@lequia.udg.cat

 

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