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Related Experiment Video

Updated: Jun 6, 2026

Measuring Biomethane Potential of Food Scrap Waste Anaerobically Co-Digested with Waste-Activated Sludge Using Respirometry

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Published on: April 26, 2024

Consuming un-captured methane from landfill using aged refuse bio-cover.

Ziyang Lou¹, Li Wang, Youcai Zhao

¹The State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, Shanghai, PR China.

Bioresource Technology

|November 17, 2010

Summary

This study developed a novel bio-cover using landfill waste to enhance biological methane oxidation. Optimal conditions achieved high methane (CH4) removal rates, demonstrating effective landfill gas treatment.

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Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production

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Published on: June 15, 2014

Area of Science:

Environmental Engineering
Microbiology

Background:

Landfills generate methane (CH4), a potent greenhouse gas.
Biological methane oxidation is a key process for mitigating landfill emissions.

Purpose of the Study:

To develop and optimize a simulated bio-cover for enhanced biological methane oxidation.
To investigate the impact of aged refuse and sludge ratios on CH4 removal efficiency.

Main Methods:

Utilized aged refuse and aged sludge from landfills to construct a simulated bio-cover.
Varied the ratio of aged refuse to aged sludge (w/w%).
Controlled and analyzed factors including moisture, Eh, and organic matter content.

Main Results:

Achieved 78.7% and 66.9% CH4 removal with refuse:sludge ratios of 7:3 and 6:4, respectively.
Reached a maximum CH4 removal rate of 100% using refuse aged >14 years.
Identified optimal conditions: 7:3 ratio, 8-9% moisture, 104-108 mV Eh, and 9.5% organic matter.

Conclusions:

Aged refuse and sludge bio-covers are effective for biological methane oxidation.
Optimized conditions significantly enhance CH4 removal efficiency from landfills.
This technology offers a sustainable approach to landfill gas management.