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Related Experiment Videos

[An experimental study with bioreactor-landfill system].

Junqin Wang1, Dongsheng Shen

  • 1Department of Environment and Resource, Zhejiang University, Hangzhou 310029, China. wjq@zju.edu.cn

Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|March 5, 2004
PubMed
Summary

This study used a methane bioreactor-landfill system to treat municipal solid waste (MSW). The system significantly reduced chemical oxygen demand (CODCr) and volatile fatty acids (VFA) in MSW.

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Area of Science:

  • Environmental Engineering
  • Waste Management
  • Bioreactor Technology

Context:

  • Municipal solid waste (MSW) presents significant disposal challenges.
  • Landfill leachate contains high concentrations of pollutants like chemical oxygen demand (CODCr) and volatile fatty acids (VFA).
  • Effective treatment methods are crucial for mitigating environmental pollution from landfills.

Purpose:

  • To investigate the efficacy of a methane bioreactor-landfill system for treating MSW.
  • To establish a mathematical model for waste degradation within the system.
  • To quantify the reduction of CODCr and VFA in MSW after treatment.

Summary:

  • A methane bioreactor-landfill system was employed to process municipal solid waste.
  • Pollutant levels, specifically CODCr and VFA, were monitored and analyzed.

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  • A simulated mathematical formula was developed to describe the waste degradation process.

    • Impact:

    • The treatment system effectively reduced CODCr from over 20000 mg.L-1 to below 1500 mg.L-1.
    • VFA concentrations were significantly decreased from over 7000 mg.L-1 to under 200 mg.L-1.
    • This demonstrates a viable method for treating MSW and reducing landfill pollution.