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Study on the Biofilm Kinetics in Micro-Electrolysis Biological Reactors

Author

Listed:
  • Xiaohui Zhang

    (Engineering Research Center of Coal-Based Ecological Carbon Sequestration Technology of the Ministry of Education, Key Laboratory of Graphene Forestry Application of National Forest and Grass Administration, Shanxi Datong University, Datong 037009, China)

  • Zeya Zhang

    (Engineering Research Center of Coal-Based Ecological Carbon Sequestration Technology of the Ministry of Education, Key Laboratory of Graphene Forestry Application of National Forest and Grass Administration, Shanxi Datong University, Datong 037009, China)

  • Jingyi Xu

    (Datong Ecological Environment Monitoring Center, Datong 030027, China)

  • Liang Pei

    (Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
    College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China)

  • Tongshun Han

    (Engineering Research Center of Coal-Based Ecological Carbon Sequestration Technology of the Ministry of Education, Key Laboratory of Graphene Forestry Application of National Forest and Grass Administration, Shanxi Datong University, Datong 037009, China)

  • Jianguo Zhao

    (Engineering Research Center of Coal-Based Ecological Carbon Sequestration Technology of the Ministry of Education, Key Laboratory of Graphene Forestry Application of National Forest and Grass Administration, Shanxi Datong University, Datong 037009, China)

Abstract

The kinetic study of micro-electrolysis biotechnology not only determines the removal efficiency of a micro-electrolysis process but also influences the optimal design of a system. This paper investigates the relationship between electric field strength, pollutant degradation rate, and biofilm thickness by constructing a microporous biofilm model for pollutant removal. Additionally, the study derives equations linking electric field strength to reaction rate, pollutant effluent concentration, and biofilm thickness under both high and low pollutant influent concentrations. This work bridges the gap between macroscopic processes and periplasmic mechanisms, enhancing our understanding of pollutant removal mechanisms and facilitating process optimization. It also provides theoretical support for the sustainable development of micro-electrolysis biotechnology. Future research will focus on experimental validation and the optimization of model accuracy and flexibility to accommodate diverse treatment conditions.

Suggested Citation

  • Xiaohui Zhang & Zeya Zhang & Jingyi Xu & Liang Pei & Tongshun Han & Jianguo Zhao, 2025. "Study on the Biofilm Kinetics in Micro-Electrolysis Biological Reactors," Sustainability, MDPI, vol. 17(3), pages 1-15, January.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:3:p:1105-:d:1579835
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