Investigation of Effective Parameters on Performance of Microfluidic Microbial Fuel Cell–Microbial Electrolysis Cell Coupled System

Fadakar, Aref | 2019

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 51536 (06)
  4. University: Sharif University of Technology
  5. Department: Chemical and Petroleum Engineering
  6. Advisor(s): Bastani, Dariush; Yaghmaei, Soheila; Mardanpour, Mohammad Mahdi
  7. Abstract:
  8. This study presents the experimental investigation of the microfluidic microbial fuel cell – microbial electrolysis cell coupled system as a bioenergy generator to produce biohydrogen without any external power supply. The effect of microbial fuel cells number (to provide the required potential for microbial electrolysis cell), the type of substrate and its concentration were assessed. The maximum produced hydrogen of 25, 33 and 50 ppm were obtained in flow rate of 200 μl h-1 and glucose concentration of 200 mg l-1 in 1, 2 and 3 stack MFCs, respectively. For urea solution, by combination of 1, 2 and 3 stack MFCs in the flow rate of 200 μl h-1 and the concentration of 800 mg l-1, the maximum produced hydrogen of 0, 25 and 29 ppm were obtained, respectively. In addition, the amount of hydrogen produced in the glucose substrate is two-fold higher than the amount of hydrogen produced in the urea substrate. Significant bioenergy production, low construction cost, simple structure and the ability to extract energy from excrement material from the body's metabolic cycle without any external power supply, are the features of microfluidic MFC–MEC coupled system that provides a prestigious step for marketing applications
  9. Keywords:
  10. Biohydrogen Production ; Escherichia Coli Bacteria ; Microbial Electrolysis Cell ; Microfluidic Couple Systems ; Coupled System

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