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Physical Modelling of Mitigating Methane Emission from Biochar Modified MSW Landfill Cover

  • Abraham C. F. Chiu
  • Y. Xiao
Conference paper
Part of the Environmental Science and Engineering book series (ESE)

Abstract

In this study a laboratory column test has been conducted on a compacted soil modified by a rice-stalk derived biochar to model its methane mitigation capability as a municipal solid waste (MSW) landfill cover material. Preliminary test results showed that gas adsorption was the principal mechanism that reduced the methane emission in the early stage of soil column test. As time passed, microbial methane oxidation became the dominant mechanism over gas adsorption to reduce methane emission. Besides, it was found that the most active zone for methane oxidation was the top 250 mm where the availability of oxygen was adequate for the aerobic activity of methane-oxidising bacteria.

Keywords

MSW landfill cover Biochar Methane oxidation Adsorption Silt 

Notes

Acknowledgement

The research is financially supported by the Fundamental Research Funds for the Central Universities of China (Grant No. 2017B00914).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  1. 1.Key Laboratory of Ministry of Education for Geomechanics and Embankment EngineeringHohai UniversityNanjingChina

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