Application of the Analytic Hierarchy Process and the Analytic Network Process for the assessment of different wastewater treatment systems

Publication year: 2011
Source: Environmental Modelling & Software, Volume 26, Issue 10, October 2011, Pages 1211-1224

Marta, Bottero , Elena, Comino , Vincenzo, Riggio

Multicriteria analyses (MCAs) are used to make comparative assessments of alternative projects or heterogeneous measures and allow several criteria to be taken into account simultaneously in a complex situation. The paper shows the application of different MCA techniques to a real decision problem concerning the choice of the most sustainable wastewater treatment (WWT) technology, namely Anaerobic digestion, Phytoremediation and Composting, for small cheese factories. Particularly, the Analytic Hierarchy Process (AHP) and its recent implementation, the Analytic Network Process (ANP), have been considered for prioritizing the different technologies. The models enable all the elements of the decision process to be considered,…

 Highlights: ► Use of two MCA methods to perform a comparison between wastewater treatment systems. ► The systems refer to Anaerobic digestion, Phytoremediation and Composting. ► Different multicriteria techniques (AHP and ANP) are applied for the selection. ► The ANP shows a better differentiation of the preferences for the three options. ► Phytoremediation results as the most sustainable technology.