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Waste Management & Research
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Microbial methane oxidation processes and technologies for mitigation of landfill gas emissions

Charlotte Scheutz

Department of Environmental Engineering, Technical University of Denmark, Lyngby, Denmark, chs{at}env.dtu.dk

Peter Kjeldsen

Department of Environmental Engineering, Technical University of Denmark, Lyngby, Denmark

Jean E. Bogner

Landfills +, Inc., Wheaton, IL, USA

Alex De Visscher

Canada Research Chair in Air Quality and Pollution Control Engineering, University of Calgary, Schulich School of Engineering, Department of Chemical & Petroleum Engineering, and Centre for Environmental Engineering Research and Education, Calgary, AB, Canada

Julia Gebert

Institute of Soil Science, University of Hamburg, Hamburg, Germany

Helene A. Hilger

Department of Civil Engineering, University of North Carolina at Charlotte, Charlotte, NC, USA

Marion Huber-Humer

Department of Waste Management, University of Natural Resources and Applied Life Sciences, Vienna, Austria

Kurt Spokas

USDA-ARS, Soil & Water Management Unit, St. Paul, MN, USA

Landfill gas containing methane is produced by anaerobic degradation of organic waste. Methane is a strong greenhouse gas and landfills are one of the major anthropogenic sources of atmospheric methane. Landfill methane may be oxidized by methanotrophic microorganisms in soils or waste materials utilizing oxygen that diffuses into the cover layer from the atmosphere. The methane oxidation process, which is governed by several environmental factors, can be exploited in engineered systems developed for methane emission mitigation. Mathematical models that account for methane oxidation can be used to predict methane emissions from landfills. Additional research and technology development is needed before methane mitigation technologies utilizing microbial methane oxidation processes can become commercially viable and widely deployed.

Key Words: Methane oxidation • methane emission • landfill gas • methanotrophs • landfill covers • biofilters • biocovers • wmr 08—0146

This version was published on August 1, 2009

Waste Management & Research, Vol. 27, No. 5, 409-455 (2009)
DOI: 10.1177/0734242X09339325
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