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In recent years, there has been a steadily increasing in the amount of solid waste due to the increasing human population and urbanization. Waste materials are generated from manufacturing processes, industries and municipal solid wastes (MSW). Waste-to-energy (WTE) technologies convert waste matter into various forms of fuel that can be used to supply energy. Today, a new generation of WTE technologies is emerging which hold the potential to create renewable energy from waste matter, including MSW, industrial waste, agricultural waste, and waste byproducts. There are four major methods for conversion of organic wastes to synthetic fuels: (1) hydrogenation, (2) pyrolysis, (3) gasification, and (4) bioconversion.
In recent years, there has been a steadily increasing in the amount of solid waste due to the increasing human population and urbanization. Waste materials are generated from manufacturing processes, industries and municipal solid wastes (MSW). Waste-to-energy (WTE) technologies convert waste matter into various forms of fuel that can be used to supply energy. Today, a new generation of WTE technologies is emerging which hold the potential to create renewable energy from waste matter, including MSW, industrial waste, agricultural waste, and waste byproducts. There are four major methods for conversion of organic wastes to synthetic fuels: (1) hydrogenation, (2) pyrolysis, (3) gasification, and (4) bioconversion.
Alternative uses of waste for energy production become increasingly interesting when considered from two perspectives, that of waste management and the energy system perspective. This paper presents the results of an enquiry into the use of waste in a future energy system. The analysis was performed using the energy system analysis model, Balmorel. The study is focused on Germany and the Nordic countries and demonstrates the optimization of both investments and production within the energy systems. The results present cost optimization excluding taxation concerning the use of waste for energy production in Denmark in a 2025 scenario with 48% renewable energy. Investments in a range of waste conversion technologies...
Mandatory targets for biofuels have led to their rapid global adoption, but ethical problems with their large-scale production are widely reported. Research is underway to find new biofuel technologies that mitigate climate change and can be produced sustainably and economically. Following an 18-month inquiry, the Nuffield Council on Bioethics has developed an ethical framework for biofuels policy-making. Based on a number of widely held ethical values, six ethical principles are introduced that should be considered in biofuels policy-making. Many current biofuels policies fail this ethical ‘test’. An overarching ethical standard for biofuels is proposed that includes the protection of human rights and the environment,...