Review of Organic Waste-to-Energy (OWtE) Technologies as a Part of a Sustainable Circular Economy

Organic waste-to-energy (OWtE) technologies are playing a steadily increasing role in the Green Transition, thus becoming a powerful driver in the establishment of an ever more efficient and sustainable circular economy. The advantages of OWtE processes are well known: not only do they reduce the wa...

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Bibliographic Details
Published in:Energies (Basel) 2024-08, Vol.17 (15), p.3797
Main Authors: Zueva, Svetlana, Ferella, Francesco, Corradini, Valentina, Vegliò, Francesco
Format: Article
Language:English
Subjects:
Alternative energy sources
Analysis
biochemical processes
Biodiesel fuels
Biofuels
Biogas
Carbon dioxide
Circular economy
Climate change
Denmark
Economic aspects
Emissions
Energy consumption
Energy efficiency
Energy industry
Energy management systems
Energy minerals
Environmental impact
Force and energy
Fossil fuels
Heavy metal content
Landfill
Natural resources
Netherlands
organic waste
Recycling
Refuse and refuse disposal
Renewable resources
Resource recovery
Sweden
thermochemical processes
United Kingdom
Waste management
waste-to-energy
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Summary:Organic waste-to-energy (OWtE) technologies are playing a steadily increasing role in the Green Transition, thus becoming a powerful driver in the establishment of an ever more efficient and sustainable circular economy. The advantages of OWtE processes are well known: not only do they reduce the waste volumes sent to landfills or incineration plants, but also and foremost, through the energy they yield (biogenic carbon dioxide, amongst others), they reduce dependance on fossil fuels. This article gives a complete panorama of these technologies, starting from the classical methods and ending with a review of the latest modern novelties. Advantages and disadvantages of each method are highlighted, with particular focus on the formation of by-products and the relevant treatment aimed at preventing environmental pollution. Accordingly, modern techniques for increasing waste-to-energy efficiency and integrating the concept of circular economy and substitutability are analyzed from this perspective. Along with an analysis of modern scientific achievements in this area, practical examples of the implementation of technologies in European countries are given, with an emphasis on the obvious advantages, both economic and environmental.
ISSN:1996-1073
1996-1073
DOI:10.3390/en17153797