Submitted: 14 Oct 2015
Revised: 14 Nov 2015
Accepted: 22 Dec 2015
First published online: 15 Oct 2017
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Avicenna J Environ Health Eng. 2015;2(2):4653-4653.
doi: 10.17795/ajehe-4653
  Abstract View: 220
  PDF Download: 358

Research Article

Projection of Environmental Pollutant Emissions From Different Final Waste Disposal Methods Based on Life Cycle Assessment Studies in Qazvin City

Javad Torkashvand 1, Ghasem Azarian 2, Mostafa Leili 2, Kazem Godini 2 * , Shahrbanou Younesi 4, Hashem Godini 5

1 Department of Environmental Health Engineering, Faculty of Health, Hamadan University of Medical Sciences, Hamadan, IR Iran
2 Department of Environmental Health Engineering, Research Center for Health Sciences, Faculty of Health, Hamadan University of Medical Sciences, Hamadan, IR Iran
3 Department of Environmental Health Engineering, Student Research Center, School of Public Health, Hamadan University of Medical Sciences, Hamadan, IR Iran
4 Department of Environmental Health Engineering, Faculty of Health, Qazvin University of Medical Sciences, Qazvin, IR Iran
* Corresponding author: Kazem Godini, Department of Environmental Health Engineering, Research Center for Health Sciences, Faculty of Health, Hamadan University of Medical Sciences, Hamadan, IR Iran. Tel: +98-9188373716, Email: kgoodini@tums.ac.ir

Article

In the current study, the life cycle assessment (LCA) method was used to expect the emissions of different environmental pollutants through qualitative and quantitative analyses of solid wastes of Qazvin city in different final disposal methods. Therefore, four scenarios with the following properties considering physical analysis of Qazvin’s solid wastes, the current status of solid waste management in Iran, as well as the future of solid waste management of Qazvin were described. In order to detect the quantity of the solid wastes, the volume-weighted analysis was used and random sampling method was used for physical analysis. Of course, regarding the method of LCA, it contains all stages from solid wastes generation to its disposal. However, since the main aim of this study was final disposal stage, the emissions of pollutants of these stages were ignored. Next, considering the mixture of the solid waste, the amount of pollution stemming from each of final disposal methods from other cities having similar conditions was estimated. The findings of the study showed that weight combination of Qazvin solid wastes is entirely similar to that of other cities. Thus, the results of this study can be applied by decision makers around the country. In scenarios 1 and 2, emission of leachate containing high amounts of COD and BOD is high and also the highest content of nitrate, which can contaminate water and soil resulting in high costs for their management. In scenarios 3 and 4, the amounts of gaseous pollutants, particularly CO2, as well as nitrogen oxides are very high. In conclusion, the LCA methods can effectively contribute to the management of municipal solid wastes (MSW) to control environmental pollutants with least expenses.
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