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[Bioreactor-landfill site for leaching solution treatment]
1Department of Envionment and Resource, Zhejiang University, Hangzhou 310029, China. heruo.@263.net
Huan Jing Ke Xue= Huanjing Kexue
|February 22, 2002
Summary
This study combined a bioreactor with a landfill to treat leachate, enhancing organic pollutant degradation. The integrated system effectively produced methane and stabilized landfill waste.
Area of Science:
- Environmental Engineering
- Waste Management
- Biotechnology
Background:
- Leachate treatment is crucial for environmental protection.
- Landfill sites pose challenges for efficient waste degradation and methane capture.
- Integrated systems can improve waste management processes.
Purpose of the Study:
- To evaluate a combined bioreactor-landfill system for leachate treatment.
- To analyze the two-phase degradation of organic pollutants.
- To assess methane production and landfill stabilization.
Main Methods:
- Utilizing a combined system of a bioreactor (UASB) and a landfill site.
- Monitoring hydrolytic fermentation, acid production, and methane production phases.
- Analyzing acidification rates and organic pollutant degradation.
Main Results:
- Two-phase degradation observed: hydrolytic fermentation/acid production in landfill, methane production in bioreactor.
- Acidification rate achieved between 40%-50%.
- Significant leachate treatment, methane gas collection, and accelerated waste degradation.
Conclusions:
- The combined bioreactor-landfill system is effective for leachate treatment.
- The system enhances methane gas utilization and landfill stabilization.
- This integrated approach offers a promising solution for waste management challenges.