Batch Waste Gasification Technology:
Characteristics And Perspectives
Author(s)
P. De Filippis, M. Scarsella, N. Verdone & G. B. Carnevale
Abstract
The problem of municipal solid waste (MSW) disposal is expanding rapidly in
all the countries as a consequence of the habits and lifestyles of modern
consumers that cause a continuous increasing volume of waste. To date, landfills
are still the primary destination of waste. However, with landfill tipping fees
rising and their proven negative environmental impacts, cleaner and less costly
alternatives for municipal waste disposal should be identified and implemented.
The energy recovery from MSW, known as \“waste-to-energy” (WTE), is one of
such alternatives. Waste-to-energy reduces the amount of materials sent to
landfills, prevents air/water contamination, improves recycling rates and lessens
the dependence on fossil fuels for power generation. The centrality of thermal
processes in the WTE practice, makes strongly necessary the evaluation of the
problems associated with both the release and formation of contaminants and the
degree of pre-processing required in conversion of MSW into a suitable feed
material. Among the currently WTE technologies, one that is finding some
interest in Italy is the so called \“Molecular Dissociation”. This technology
developed by Energo is claimed for some advantages, the main of which are the
possibility to use as feed material unsorted MSW, the low emission level, and
particularly the high flexibility due to its modular design that makes the process
well adaptable to the seasonal changes and population growth. An
experimentation conducted in a pilot plant greatly contributed to understand the
behaviour of the process. On the basis of the obtained experimental results, the
paper illustrates advantages and disadvantages of this technology.
Keywords: waste gasification, thermal processes, batch processes, MSW.
Keywords
waste gasification, thermal processes, batch processes, MSW
Related Book
Other papers in this volume
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