A multi-criteria decision analysis of solid waste treatment options in Pakistan: Lahore City—a case in point

Yousaf Ali (), Zain Aslam (), Hammad Sajid Dar () and UbaidUllah Mumtaz ()
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Yousaf Ali: Ghulam Ishaq Khan Institute of Engineering Sciences and Technology
Zain Aslam: Ghulam Ishaq Khan Institute of Engineering Sciences and Technology
Hammad Sajid Dar: Ghulam Ishaq Khan Institute of Engineering Sciences and Technology
UbaidUllah Mumtaz: Ghulam Ishaq Khan Institute of Engineering Sciences and Technology

Environment Systems and Decisions, 2018, vol. 38, issue 4, 528-543

Abstract: Abstract Population of the world is increasing day by day, resulting in enormous amount of waste production. In the modern age of great technological advancements, there needs to be a systematic method to keep the environment clean. The waste management activities, i.e., collection, transport and disposal, pose a great challenge to the waste managers as they have to factor in various eclectic factors such as land availability, facilities available, budget, time required and the impact it would have on the environment, while tackling this problem. Lahore, despite being the most developed city of Pakistan, does not have a suitable solid waste management system. An increasing population leads to more waste generation, and in Lahore the situation is no different. Several waste management companies are working in the city, but as of yet they have not been able to make significant inroads to completely eradicate the problem. The aim of this paper is to suggest a suitable way for dealing with the waste. To accomplish this aim, a hierarchy-based model is used, considering six criteria and five alternatives. We used multi-criteria decision analysis to decide among different waste management alternatives. Forecasting has been used to find the population and waste produced over the years. Analytical hierarchy process (AHP) and Technique for Order of Preference by Similarity to Ideal Solution (TOPSIS) are used to rank the feasible alternative. The results show that the population and waste were increasing drastically. Aerobic digestion was ranked as the best alternative for waste management according to AHP and TOPSIS, but there is great variation among the rank of other alternatives.

Keywords: Waste management; AHP; TOPSIS; Waste treatment and decision making (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s10669-018-9672-y

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