Using MCDA and GIS for hazardous waste landfill siting considering land scarcity for waste disposal

[Display omitted] •Wasting land for the siting of hazardous waste landfills must be avoided.•The siting procedure is based on a land use map of potentially suitable areas.•All the waste facilities of the management system are simultaneously considered.•A case study is developed considering two multi...

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Bibliographic Details
Published in:Waste management (Elmsford) 2014-11, Vol.34 (11), p.2225-2238
Main Authors: Feo, Giovanni De, Gisi, Sabino De
Format: Article
Language:English
Subjects:
Applied sciences
COMPARATIVE EVALUATIONS
Criteria
Decision Support Techniques
Exact sciences and technology
General treatment and storage processes
GEOGRAPHIC INFORMATION SYSTEMS
Hazardous waste
Hazardous Waste - analysis
Hazardous wastes
Italy
Land
Land shortage
LAND USE
Land use map
Landfill
Landfills
MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES
Other wastes and particular components of wastes
Pollution
Priorities
Refuse Disposal
SANITARY LANDFILLS
Satellite navigation systems
SITE SELECTION
Siting
SOLID WASTES
Waste Disposal Facilities
Waste Management
Wastes
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Summary:[Display omitted] •Wasting land for the siting of hazardous waste landfills must be avoided.•The siting procedure is based on a land use map of potentially suitable areas.•All the waste facilities of the management system are simultaneously considered.•A case study is developed considering two multi-criteria techniques.•An innovative criteria weighting tool (PSW) is used in combination with the AHP. The main aim of this study was to develop a procedure that minimizes the wasting of space for the siting of hazardous waste landfills as part of a solid waste management system. We wanted to tackle the shortage of land for waste disposal that is a serious and growing problem in most large urban regions. The procedure combines a multi-criteria decision analysis (MCDA) approach with a geographical information system (GIS). The GIS was utilised to obtain an initial screening in order to eliminate unsuitable areas, whereas the MCDA was developed to select the most suitable sites. The novelty of the proposed siting procedure is the introduction of a new screening phase before the macro-siting step aimed at producing a “land use map of potentially suitable areas” for the siting of solid waste facilities which simultaneously takes into consideration all plant types. The issue of obtaining sites evaluations of a specific facility was coupled with the issue of not wasting land appropriate to facilitate other types of waste management options. In the developed case study, the use of an innovative criteria weighting tool (the “Priority Scale”) in combination with the Analytic Hierarchy Process was useful to easier define the priorities of the evaluation criteria in comparison with other classic methods such as the Paired Comparison Technique in combination with the Simple Additive Weighting method.
ISSN:0956-053X
1879-2456
DOI:10.1016/j.wasman.2014.05.028