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A 90-liter stackable baffled microbial fuel cell for brewery wastewater treatment based on energy self-sufficient mode

  • Yue Dong
  • , Youpeng Qu
  • , Weihua He
  • , Yue Du
  • , Jia Liu
  • , Xiaoyu Han
  • , Yujie Feng*
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • School of Life Science and Technology, Harbin Institute of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A 90-liter stackable pilot microbial fuel cell was designed and proved to be capable for brewery wastewater treatment and simultaneous electricity harvested. The system was stacked by 5 easily-stackable modules, and operated in an energy self-sufficient manner for more than 6 months. Tests were conducted under two different influent strengths (diluted wastewater, stage 1; raw wastewater, stage 2). The COD, SS removal efficiencies were 84.7% and 81.7% at stage 1, 87.6% and 86.3% at stage 2. The system produced enough energy (0.056 kWh/m3 at stage 1, 0.097 kWh/m3 at stage 2) to power the pumping system (0.027 kWh/m3 at both stages), net electrical energy of 0.021 kWh/m3 and 0.034 kWh/m3 were harvested. These results show that this pilot-scale system could be used to effectively treat real wastewater with zero energy input.

Original languageEnglish
Pages (from-to)66-72
Number of pages7
JournalBioresource Technology
Volume195
DOIs
StatePublished - 15 Aug 2015

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Brewery wastewater
  • Energy self-sufficient operation
  • Microbial fuel cell
  • Pilot-scale

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