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Evaluating waste disposal systems

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Journal of Material Cycles and Waste Management Aims and scope Submit manuscript

Abstract

Waste disposal systems conventionally exhibit many problems, such as difficulties in finding final disposal sites for incinerator residues and the issue of how to recycle waste materials. Some new technologies have been developed to solve such problems, including ash melting and gasification melting. Furthermore, to improve the power generation efficiency of waste treatment facilities so that their energy is used more efficiently, combined stoker/gas turbine power generation (super waste power generation) technology has been developed. Through examination of two cases in this study, environmental impacts and costs were determined using lifecycle assessment (LCA) and lifecycle cost (LCC) methods in a model city. In case 1, a stoker furnace was compared to a combined stoker/gas turbine system. In case 2, a stoker furnace plus ash melting system was compared to a gasification melting system. The results demonstrate that the stoker furnace has a lower environmental impact than the combined stoker/gas turbine system in case 1, and that the stoker plus ash melting system costs less than the gasification melting system in case 2, but both systems had strong impacts on the environment.

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Authors and Affiliations

  1. Civil and Environmental Engineering, Faculty of Engineering, Kansai University, Yamate 3-3-35, Suita, Osaka, 564-8680, Japan

    Yasuhiko Wada & Takuma Okumoto

  2. Graduate School of Engineering, Kobe University, Kobe, Japan

    Nariaki Wada

Authors
  1. Yasuhiko Wada
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  2. Takuma Okumoto
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  3. Nariaki Wada
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Correspondence to Yasuhiko Wada.

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Wada, Y., Okumoto, T. & Wada, N. Evaluating waste disposal systems. J Mater Cycles Waste Manag 10, 173–187 (2008). https://doi.org/10.1007/s10163-008-0209-1

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  • DOI: https://doi.org/10.1007/s10163-008-0209-1

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