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A tubular upflow bioelectrochemical reactor with heat-treated steel electrodes was optimized for simultaneous wastewater treatment and methane recovery, achieving improved efficiency.

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Abstract

Key findings

  • The reactor achieved a 90% removal of chemical oxygen demand (COD) and a 95% removal of ammonia from wastewater.
  • Methane recovery rates were increased by 25% compared to traditional wastewater treatment methods.
  • The heat-treated steel electrodes showed improved durability and longevity compared to traditional electrodes.

Keywords

WastewaterMethaneElectrodeWaste management

Identifiers

DOI
10.1016/j.rineng.2025.104673
Journal
Results in Engineering
Year
2025