Web-Based Green Products Life Cycle Management Systems: Reverse Supply Chain Utilization by Wang Hsiao-Fan

Author:Wang, Hsiao-Fan...
Language: eng
Format: epub
Published: 2014-03-14T01:55:32.754000+00:00

Medical solid wastes

Hazardous solid wastes

Construction debris and rubble

Istanbul's daily average garbage production is around,0.000 tons. According to ISTAC data, when such solid wastes as "old items" and "scraps" that can be used in the industry collected by the seekers from dump areas and the construction debris and rubble discarded illegally to empty areas are added to this amount, it can be seen that Istanbul's per capita garbage production is around one kilogram (www.istac.com.tr).

The increase in population and production in Istanbul requires the need to identify the principles to determine the best location for solid wastes. The objective of the research is to construct a decision analysis to find the optimal new transfer station for solid wastes. The proposed methodology uses fuzzy sets in describing uncertainties in the different criteria involved in transfer station selection. Each criterion is represented by a linguistic variable. Candidate locations were determined by the related municipal authorities in Istanbul. The related values, pairwise comparisons, and weights were also determined by them. The main problem encountered was the difficulty of getting correct and useful data. A considerable time was spent to collect reliable data and personal judgments. Hence, a lot of face to face interviews were held with various decision makers to develop suitable information. Furthermore, because of the lack of the systematic knowledge, the survey was conducted through the distribution of a comprehensive questionnaire to the large number of authorities.

Istanbul Metropolitan Municipality decides to invest new location sites. They already determined the candidate locations. We made face to face interviews and then determined criteria. Istanbul Metropolitan Municipality decided that the five criteria used in this study are adequate for evaluating the possible candidate locations.

In the current situation of the European side of the city, Yenibosna, Baruthane, and Halkali transfer stations accept extra garbage. Especially Baruthane transfer station exceeds the maximum capacity,27.000 tons/year. ISTAC wants to solve this problem by setting up a new transfer station on the European side. For this reason, we determined five alternative zones with the guidance of the municipal authorities. These are:

Alternative 1: Eyüp

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