10.1186/2251-6832-3-28

Energy recovery potential and life cycle impact assessment of municipal solid waste management technologies in Asian countries using ELP model

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  • Andante Hadi Pandyaswargo*1,
  • Hiroshi Onoda1,
  • Katsuya Nagata1,
  1. Graduate School of Environment and Energy Engineering, Onoda/Nagata Laboratory, Waseda University, Saitama, 367-0035, JP
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Published in Issue 2012-10-05

How to Cite

Pandyaswargo, A. H., Onoda, H., & Nagata, K. (2012). Energy recovery potential and life cycle impact assessment of municipal solid waste management technologies in Asian countries using ELP model. International Journal of Energy and Environmental Engineering, 3(1 (December 2012). https://doi.org/10.1186/2251-6832-3-28
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Abstract

Abstract Natural resource scarcity and the effects of environmental destruction have pushed societies to use and reuse resources more efficiently. Waste should no longer be seen as a burden but rather as another source of material such as energy fuel. This study analyzes the potential of three waste management scenarios that include the combination of four waste management technologies - incineration with energy recovery, composting, anaerobic digestion, and sanitary landfill gas collection - as ways to recover energy and material from municipal solid waste. The study applies the environmental load point (ELP) method and utilizes municipal waste characteristics and composition from India, Indonesia, and China as case studies. The ELP methodology employs integrated weighting in the quantification process to get a one-unit result. This study particularly uses analytic hierarchical process questionnaires to get the weighting value of the nine impact categories: energy depletion, global warming, ozone depletion, resource consumption, ecosystem influence, water pollution, waste disposal, air pollution, and acid rain. The results show that the scenario which includes composting organic waste and sanitary landfill with gas collection for energy recovery has medium environmental impact and the highest practicability. The optimum material and energy potential is from the Chinese case study in which 254 tonnes of compost fertilizer and 60 MWh of electricity is the estimated output for every 1,000 tonnes of waste treated.

Keywords

  • Life cycle assessment,
  • Environmental load point,
  • Waste management,
  • Analytic hierarchical process,
  • Energy recovery,
  • Asian developing countries
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