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Waste Management & Research
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Developing a fuzzy decision support system to determine the location of a landfill site

Maria C. M. Alves

Federal University of Rio de Janeiro, Polytechnic School, Rio de Janeiro, Brazil

Beatriz S. L. P. Lima

Federal University of Rio de Janeiro, Polytechnic School, Rio de Janeiro, Brazil, bia{at}coc.ufrj.br, Federal University of Rio de Janeiro, Coppe-Civil Engineering Program, Rio de Janeiro, Brazil

Alexandre G. Evsukoff

Federal University of Rio de Janeiro, Coppe - Civil Engineering Program, Rio de Janeiro, Brazil

Ian N. Vieira

Federal University of Rio de Janeiro, Coppe - Civil Engineering Program, Rio de Janeiro, Brazil

This paper presents two case studies of municipal solid waste site location using a decision-support system based on fuzzy logic. This problem is very complex, as it requires the evaluation of different criteria, which involve environmental, social and economic data. Such data deal with a wide range of information that presents not only quantitative, but also qualitative knowledge. In order to deal with this characteristic, the developed system employs fuzzy rules due to its ability to treat linguistic variables and the human way of thinking. Conventional approaches tend to be less effective in dealing with the imprecise or vague nature of the linguistic assessment. A case study for selecting the location of a new municipal solid waste landfill for the city of Petropolis in Rio de Janeiro is presented. Testing of the proposed method was carried out using data from the municipal solid waste location for another municipality in Rio de Janeiro, Brazil.

Key Words: Waste management • fuzzy logic • decision-support system • solid waste landfill • site location

This version was published on October 1, 2009

Waste Management & Research, Vol. 27, No. 7, 641-651 (2009)
DOI: 10.1177/0734242X09103832
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