Abstract
Selecting the best wastewater treatment (WWT) technology requires a thorough qualitative and quantitative evaluation of multi-dependence criteria. A network based method is one of the many possible techniques that able to handle multi-dependence criteria in the selection. This paper proposes relative importance weights of alternatives in selecting the WWT technology using the analytic network process (ANP) in Terengganu Malaysia. The ANP is applied to establish the relative weights of alternatives based on criteria and sub-criteria that available in the WWT technology selection. Two faculty members attached to a public university and an engineer in Malaysian government agency were interviewed to provide evaluation within the framework of ANP. Inner dependence and outer dependence analysis of ANP are fully utilised to establish relative importance weights of alternatives. The experiment result reveals that the relative importance weights of the three alternatives are 0.3074, 0.2795 and 0.2447. The alternative ‘Composting’ has decided as the most suitable technology in WWT which provides the highest relative importance weight among all the three alternatives. The results would be a great significance for the practical implementation of the WWT technology selection.
Highlights
1.1 BackgroundOver the past century, there has been a dramatic increase in world population and economic growth
This paper aims to develop a decision for selecting the Wastewater treatment (WWT) technology based on relative importance weights that established from the analytic network process (ANP)
The aim of this paper was to propose a prioritization in real case experiment for solving the wastewater treatment technology decision problem
Summary
1.1 BackgroundOver the past century, there has been a dramatic increase in world population and economic growth. In the midst of these increasing trends, one of the basic infrastructures that really in a pressing need is treated water. Treated water infrastructure may contribute in improvising the environmental, economic and social health of the nation’s communities (Ross et al, 2012). Selecting the ideal technology is very tricky due many considerations need to be accounted concurrently, especially from technology specification perspective and from multiple intangible criteria that characterised the selection. It is more difficult if locations or regions where the technology should be deployed are considered. There are many criteria that need to be considered for selecting the ideal WWT technology. The method used in analyzing these criteria and alternatives must help decision-makers to express their different options, which reflect the opinions of the actor involved Figueira et al, (2005)
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