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Integrating approach to size and site at a sanitary landfill in Selangor state, Malaysia
Mohammad Khairi Younes,Noor Ezlin Ahmad Basri,Zulkifli Mohammad Nopiaha,Hassan Basri,Mohammed F. M. Abushammala,Khairul Nizam Abdul Maulud 대한환경공학회 2015 Environmental Engineering Research Vol.20 No.3
Solid waste production increases due to population and consumption increments. Landfill is the ultimate destination for all kinds of municipal solid waste; and is the most convenient waste disposal method in developing countries. To minimize investment and operational costs and society’s opposition towards locating landfills nearby, proper landfill sizing and siting are essential. In this study, solid waste forecasting using Autoregressive Integrating Moving Average (ARIMA) was integrated with government future plans and waste composition to estimate the required landfill area for the state of Selangor, Malaysia. Landfill siting criteria were then prioritized based on expert’s preferences. To minimize ambiguity and the uncertainty of the criteria prioritizing process, the expert’s preferences were treated using integrated Median Ranked Sample Set (MRSS) and Analytic Hierarchy Process (AHP) models. The results show that the required landfill area is 342 hectares and the environmental criteria are the most important; with a priority equal to 48%.