Mitigation of methane emission from an old unlined landfill in Klintholm, Denmark using a passive biocover system
Artikel i vetenskaplig tidskrift, 2014

Methane generated at landfills contributes to global warming and can be mitigated by biocover systems relying on microbial methane oxidation. As part of a closure plan for an old unlined landfill without any gas management measures, an innovative biocover system was established. The system was designed based on a conceptual model of the gas emission patterns established through an initial baseline study. The study included construction of gas collection trenches along the slopes of the landfill where the majority of the methane emissions occurred. Local compost materials were tested as to their usefulness as bioactive methane oxidizing material and a suitable compost mixture was selected. Whole site methane emission quantifications based on combined tracer release and downwind measurements in combination with several local experimental activities (gas composition within biocover layers, flux chamber based emission measurements and logging of compost temperatures) proved that the biocover system had an average mitigation efficiency of approximately 80%. The study showed that the system also had a high efficiency during winter periods with temperatures below freezing. An economic analysis indicated that the mitigation costs of the biocover system were competitive to other existing greenhouse gas mitigation options. (C) 2014 Elsevier Ltd. All rights reserved.

BIOLOGICALLY-ACTIVE COVER

Environmental Sciences

Temperate climate

Environmental

Compost

GAS EMISSIONS

Methane oxidation

OXIDATION

Whole landfill emission measurement

Engineering

Greenhouse gases

WASTE

Författare

C. Scheutz

Danmarks Tekniske Universitet (DTU)

R. B. Pedersen

Danmarks Tekniske Universitet (DTU)

P. H. Petersen

Rambøll Danmark

J. H. B. Jorgensen

I. M. B. Ucendo

Danmarks Tekniske Universitet (DTU)

J. G. Monster

Danmarks Tekniske Universitet (DTU)

Jerker Samuelsson

Chalmers, Rymd- och geovetenskap

P. Kjeldsen

Danmarks Tekniske Universitet (DTU)

Waste Management

0956-053X (ISSN)

Vol. 34 7 1179-1190

Ämneskategorier

Fusion, plasma och rymdfysik

DOI

10.1016/j.wasman.2014.03.015

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Senast uppdaterat

2018-09-06