Predictive Analysis of Waste Co-Combustion with Fossil Fuels Using the Life Cycle Assessment (LCA) Methodology

The use of waste for energy purposes could become widespread and the radical lowering of the costs associated with that process could occur, if the resulting fuel did not have the status of waste. The key issue in removing the status of waste for a given substance is to eliminate the environmental impact of its use. Currently, there are no known fuels whose combustion does not lead to a negative impact on the environment, even to a minimum extent. It is therefore necessary to set a threshold of environmental impact at which we “recognize” a fuel to be harmless to the environment. The ecological impact of lignite was assumed in this text to be such a threshold. This paper proposes a methodology for determining the limit of environmental impact of fuel from waste. It also presents the results of our own research on the morphological and elemental composition of a waste mixture created by the separation of the over-screen fraction of municipal waste undesirable for a fuel, namely, chlorine carriers (PVC), multi-material waste, ferrous and non-ferrous metals, and non-combustible fractions (ash). The results obtained were used to assess the relative environmental impact of a waste mixture used as fuel.

Abstract licence: CC BY

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