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POSSIBILITIES RESPECTIVELY CONFLICTS OF INTEREST OF METHANE OXIDATION LAYERS AND CONCEPTS OF REUSE

To prevent harmful influences on the environment in the future today’s policy is aimed towards the pre-treatment of municipal solid waste (MSW). By reducing the emission potential of MSW before landfilling, environmental impacts should be kept to a minimum. An abatement of the emission potential should be performed under controlled conditions. Corresponding options are represented by mechanical-biological pre-treatment (MBT) or waste incineration. In spite of provisions made, the problem of old bioreactor landfills should not be overlooked. The strategy embarked on over the last decades was to deposit MSW without any pre-treatment. As a result liquid and gaseous emissions polluted – and continue to pollute – the surrounding environment, especially soil, groundwater and atmosphere – all subjects of protection. Nowadays these old landfills represent a great challenge. They frequently have to undergo remediation, at times at enormous expense.

This paper highlights an interesting approach to be applied to an old municipal solid waste landfill-site, which – according to its location on the outskirts of a natural preserve – may be suited to (re)use as a substitute area for nature protection and conservation of sitespecific vegetation. The case-study illustrated focuses on a semi dry meadow on sandy ground, appropriate for use as a landfill-biocover also capable of enhancing methane oxidation. In such a manner hard-pushed ecological areas of interest could find new areas of application, leading to additional economic, ecological and social benefits.

Copyright:	© IWWG International Waste Working Group
Quelle:	Specialized Session F (Oktober 2007)
Seiten:	8
Preis:	€ 0,00
Autor:	Dipl.-Ing. Oliver Gamperling Dipl.-Ing. Johannes Tintner
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