Akademik Veri Yönetim Sistemi
SADHANA - ACADEMY PROCEEDINGS IN ENGINEERING SCIENCES, cilt.50, ss.1-45, 2025 (SCI-Expanded)
In the study, eight different sustainable solid waste management alternatives analysed using the analytical hierarchy process to determine the effect of separation of solid waste at the source. Here, it is aimed to decide the preference priorities of eight different waste management alternatives including several known solid waste disposal methods. Solid waste management alternatives are accepted as decision points (A1: material recycling facility+sanitary landfill, A2: composting process+sanitary landfill, A3: biological methane process+sanitary landfill, A4: thermal processes+sanitary landfill, A5: material recycling facility+composting process+sanitary landfill, A6: material recycling facility+biological methane process+sanitary landfill, A7: thermal processes+composting process+sanitary landfill, A8: thermal processes+biological methane process+sanitary landfill). Three main criteria (mixed, binary, and triple collection of solid waste) and fifteen sub-criteria (five environmental, four economic, three social, three technical) affecting the decision points are defined. During the design process of all pairwise comparison matrices in the study, expert opinions were obtained both face-to-face and through a survey created on the Goggle Forms platform. Using the obtained data and focusing on the zero waste vision, the priorities of the decision points were decided with the help of analytic hierarchy process. According to the results, in the case of mixed collection at the source, high preference rates were obtained for A1 as the decision point in terms of environmental (0.228), economic (0.231), social (0.170) and technical (0.266) criteria. In the case of binary separation at the source, A3 has high preference rates as the decision point in terms of environmental (0.248), economic (0.286) and technical (0.278) criteria. In the case of triple separation at the source, it is calculated that the A3, A1, A2 and A1 alternatives has the highest preference values as the decision point in terms of environmental (0.249), economic (0.292), social (0.171) and technical criteria (0.274), respectively. As a result, it can be seen that how solid waste is managed at the source where it is likely to be generated is an important factor in the implementation of sustainable solid waste management within the scope of zero waste.