Waste-to-energy incineration plants as greenhouse gas reducers : a case study of seven Japanese metropolises

Municipal solid waste (MSW) incineration is a greenhouse gas (GHG) emitter; however, if GHG reductions, achieved by accounting for waste-to-energy, exceed GHG emissions, incineration can be considered as a net GHG reducer. In Japan, only 24.5% of MSW incineration plants perform energy recovery despi...

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Veröffentlicht in:Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA. - 1991. - 31(2013), 11 vom: 11. Nov., Seite 1110-7
1. Verfasser: Tabata, Tomohiro (VerfasserIn)
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
Schlagworte:Evaluation Study Journal Article Research Support, Non-U.S. Gov't Net GHG reducer energy demand and supply incineration plant life cycle assessment low carbon waste-to-energy Air Pollutants Gases
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520 |a Municipal solid waste (MSW) incineration is a greenhouse gas (GHG) emitter; however, if GHG reductions, achieved by accounting for waste-to-energy, exceed GHG emissions, incineration can be considered as a net GHG reducer. In Japan, only 24.5% of MSW incineration plants perform energy recovery despite 80% of MSW being incinerated; therefore, there is great potential to extract more energy from MSW. In this study, the factors that should be considered to achieve net GHG reductions from incineration were analysed from a life cycle perspective. These considerations were then applied to the energy supply requirements in seven Japanese metropolises. Firstly, the carbon footprints of approximately 1500 incineration plants in Japan were calculated. Then, the incineration plants with negative carbon footprint values were classified as net GHG reducers. Next, the processes that contribute to the carbon footprint were evaluated, and two processes-plastic burning and electricity savings-were found to have the greatest influence. Based on the results, the energy supply requirements were analysed and discussed for seven metropolises (Sapporo, Tokyo, Nagoya, Osaka, Kobe, Takamatsu and Fukuoka) taking into account the energy demands of households. In Kobe, 16.2% of the electricity demand and 25.0% of the hot water demand could be satisfied by incineration to realise a net GHG reducer, although urban design for energy utilisation would be required 
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650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Net GHG reducer 
650 4 |a energy demand and supply 
650 4 |a incineration plant 
650 4 |a life cycle assessment 
650 4 |a low carbon 
650 4 |a waste-to-energy 
650 7 |a Air Pollutants  |2 NLM 
650 7 |a Gases  |2 NLM 
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