Energy From Municipal Solid Waste
Author(s)
E. C. Rada
Abstract
This paper presents an overview of the solutions available for obtaining energy
from municipal solid waste. Special waste is not taken into account because of
its extreme variability of characteristics from region to region and from type to
type. On the contrary, municipal solid waste shows aspects useful for a more
homogeneous analysis of international interest concerning the exploitation of its
energy content. The first part of this paper deals with the evolution of the interest
towards energy recovery from municipal solid waste. The analysis is performed
at an international level, but a zoom is presented referring to the European
Union. The second part of the paper concerns the energy availability taking into
account the dynamics of qualitative and quantitative composition of municipal
solid waste. The third part analyses the role of selective collection in the frame of
energy recovery. In this case it is pointed out how food waste selective collection
can change the approach of biogas exploitation: from a landfill based concept
(with sanitary landfill seen as a bioreactor) to a reactor based scenario (where the
anaerobic digester allows for the collection of 100% of the biogas generated).
The fourth section of the paper concerns the trend in residual municipal solid
waste exploitation, taking into account the effects of the European Union
directives on the energy recovery strategies and the role played by the Directive
1999/31/CE (a compulsory pre-treatment makes less interesting the option of
landfilling, moving the energy exploitation of residual municipal solid waste
towards thermal treatments). Finally, a section of this paper concerns a case
study that offers a vision on how much anaerobic digestion and thermal
treatments can support the energy demand of a citizen.
Keywords: anaerobic digestion, biogas, energy, MSW, selective collection,
RDF/SRF, thermal treatments.
Keywords
anaerobic digestion, biogas, energy, MSW, selective collection,RDF/SRF, thermal treatments.
Related Book
Other papers in this volume
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