Renewable Energy Systems

2013 Edition
| Editors: Martin Kaltschmitt, Nickolas J. Themelis, Lucien Y. Bronicki, Lennart Söder, Luis A. Vega

Waste-to-Energy: Decreasing the Entropy of Solid Wastes and Increasing Metal Recovery

Reference work entry

Definition of the Subject and Its Importance

The turnover of materials used in a national economy has been described as the consumption of resources (low-entropy materials ) that are used and transformed into wastes (high entropy materials ); therefore, the economy is viewed as an entropy-producing process [1]. In a recycling economy, entropy generation must be kept low and waste management should transform high-entropy wastes into low-entropy recycled products that can reduce the use of primary resources. Entropy reduction is achieved by the concentrating of materials. Evaluation of the materials balances, by means of statistical entropy analysis, within state-of-the-art incinerators shows that waste-to-energy is a major contributor to a sustainable materials management. It is shown that waste incineration results in significant concentrating of several substances.

Introduction: Material Balances and Entropy Evaluation

Stumm and Davis [ 2] described the life cycle of copper...
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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  1. 1.Institute of Water Quality, Resource and Waste ManagementVienna University of TechnologyViennaAustria