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Bioelectrochemical chain elongation to caproate

  • 17 September, 2018
  • Wageningen University, Environmental Technology
  • prof. dr CJN Buismanprof. dr JH Bitter
  • dr ir DPBTB Strik

Bioelectrochemical chain elongation (BCE) is a promising technique to produce caproate from CO2 or evenly organic waste streams. Caproate is a platform chemical that can be used as animal feed additive, plant growth promotor or for the production of biodegradable plastics or fuels. In BCE, water is oxidized to release electrons which take-up renewable electrical energy. The highly energetic electrons are supplied to the biofilm where a CO2 elongating biofilm grows. The current process yields can be further improved for practical application of the process. And also the working mechanisms of this process remain to be further revealed. The main focus of this research is to investigate the role of the biofilm and the changes therein in the optimization of the electron flux between the cathode and the biofilm. By better understanding of these fluxes we can develop new ways to steer the bioelectrochemical processes.

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Sanne de Smit

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