Comparative Study of Waste to Energy (WtE) Technology in Municipal Solid Waste Management (MSWM) in Yogyakarta
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Abstract
With a population of 268 million, Indonesia is faced with an increase in energy demand by 3.9% every year. Currently, around 62.0% of its electrical energy production comes from coal plants. Meanwhile, Indonesia has renewable energy potential equivalent to 442 GW which has not been utilized optimally, where municipal solid waste has a portion of 2 GW. This study aims to determine the most optimal waste to energy (WtE) technology option to process waste into energy at the Piyungan Landfill in Yogyakarta. The study was conducted using the analytical hierarchy process (AHP) method to analyse 4 criteria, 11 sub-criteria, and 5 alternatives where technical, environmental, economic, and social aspects are the basis for consideration. The WtE technologies analysed are incineration, gasification, pyrolysis, anaerobic digester, and landfill gas recovery technologies. The results showed that technical factors were the most influential factor in the selection of WtE technology with a weight of 0.455, followed by economic factors (0.442), and environmental factors (0.103). The most optimal WtE technology to be applied to the Piyungan landfill is gasification technology with a preference value of 0.699, followed by Pyrolysis (0.623), Incineration (0.519), Landfill Gas Recovery (0.326), and the last is Anaerobic Digester Technology (0.318).
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This work is licensed under a Creative Commons Attribution 4.0 International License.
This work is licensed under a Creative Commons Attribution 4.0 International License.
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