Waste Incineration In
Swedish Municipal Energy Systems
Author(s)
K. Holmgren
Abstract
Waste is widely used as a fuel in the Swedish district heating (DH) systems,
thereby linking waste management and the energy system. This paper
summarizes earlier studies by the author on the role of waste as a fuel in DH
systems. The method used is case studies of three Swedish municipalities that
utilise waste in their DH systems. Economic optimisations of the DH systems are
made using the linear programming model MODEST, and environmental effects
in terms of carbon dioxide emissions are assessed. It is economically
advantageous to use waste as a fuel due to regulations in the waste management
sector and high taxes on fossil fuels. There can be a conflict between combined
heat and power (CHP) production in DH systems and waste incineration, since
the latter can remove the heat sink for other CHP plants in combination with low
electrical efficiency in waste incineration plants. CHP is the main measure to
decrease carbon dioxide emissions in DH systems on the assumption that locally
produced electricity replaces electricity in coal condensing plants. It can be
difficult to design policy instruments for waste incineration due to conflicting
goals for waste management and energy systems. To put costs on environmental
effects, so called external costs, is one way to include them but the method has
drawbacks, for example the limited range of environmental effects included.
Comparing the energy efficiency of material recovery and energy recovery from
waste incineration is one way to assess the resource efficiency of the waste
treatment methods.
Keywords: district heating, energy recovery, combined heat and power,
material recovery, waste incineration, modelling, policy instruments, waste
management.
Keywords
district heating, energy recovery, combined heat and power,
material recovery, waste incineration, modelling, policy instruments, waste
management.
Related Book
Other papers in this volume
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