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A continuous-flow bioelectrochemical system using a humin-immobilized biocathode effectively removed nitrate at low temperatures.

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Abstract

Key findings

  • The humin-immobilized biocathode showed improved nitrate removal efficiency compared to a free biocathode.
  • The system maintained stable performance over 30 days of operation at 10°C.
  • The humin-immobilized biocathode also exhibited enhanced tolerance to low temperatures.

Keywords

HuminDenitrifying bacteriaDenitrificationBiofilmNitrateEnvironmental chemistry

Identifiers

DOI
10.1016/j.envres.2021.111677
Journal
Environmental Research
Year
2021