6533b7d2fe1ef96bd125e2f4
RESEARCH PRODUCT
The Membrane-Less Microbial Fuel Cell (ML-MFC) with Ni-Co and Cu-B Cathode Powered by the Process Wastewater from Yeast Production
Barbara WłodarczykPaweł P. Włodarczyksubject
Control and OptimizationMicrobial fuel cellyeast wastewatermicrobial fuel cell; electricity production; oxygen electrode; Ni–Co cathode; Cu–B cathode; yeast wastewater; environmental engineeringEnergy Engineering and Power Technologychemistry.chemical_element02 engineering and technology010501 environmental sciences01 natural scienceslcsh:Technologylaw.inventionmicrobial fuel celllawElectrical and Electronic EngineeringEngineering (miscellaneous)Clark electrode0105 earth and related environmental sciencesenvironmental engineeringRenewable Energy Sustainability and the Environmentlcsh:TChemical oxygen demand021001 nanoscience & nanotechnologyPulp and paper industryCathodeCu–B cathodeWastewaterchemistryElectrodeoxygen electrodeelectricity productionAeration0210 nano-technologyNi–Co cathodeCarbonEnergy (miscellaneous)description
Research related to measurements of electricity production was combined with parallel wastewater parameter reduction in a membrane-less microbial fuel cell (ML-MFC) fed with industry process wastewater (from a yeast factory). Electrodes with Ni–Co and Cu–B catalysts were used as cathodes. A carbon electrode (carbon cloth) was used as a reference due to its widespread use. It was demonstrated that all analyzed electrodes could be employed as cathodes in ML-MFC fed with process wastewater from yeast production. Electricity measurements during ML-MFC operations indicated that power (6.19 mW) and current density (0.38 mA·cm−2) were the highest for Ni–Co electrodes. In addition, during the exploitation of ML-MFC, it was recorded that the chemical oxygen demand (COD) removal per time for all types of electrodes was similar to the duration of COD decrease in the conditions for wastewater aeration. However, the COD reduction curve for aeration took the most favorable course. The concentration of NH4+ in ML-MFC remained virtually constant throughout the measurement period, whereas NO3− levels indicated almost complete removal (with a minimum increase in the last days of cell exploitation).
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2020-08-02 | Energies |