African Journal of
Environmental Science and Technology

  • Abbreviation: Afr. J. Environ. Sci. Technol.
  • Language: English
  • ISSN: 1996-0786
  • DOI: 10.5897/AJEST
  • Start Year: 2007
  • Published Articles: 1181

Full Length Research Paper

Application of a decision support tool for municipal solid waste open dumps remediation in Cape Verde

Ailton João Gonçalves Moreira
  • Ailton João Gonçalves Moreira
  • Department of Environmental and Sanitary Engineering, Santa Catarina, Federal University of Santa Catarina, Brazil.
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Juliano Cunha Gomes
  • Juliano Cunha Gomes
  • Federal Institute of Santa Catarina, Garopaba Campus, Santa Catarina, Brazil.
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Joana de Brito Mendonça
  • Joana de Brito Mendonça
  • National Water and Sanitation Agency - ANAS, Cape Verde.
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Armando Borges De Castilhos Junior
  • Armando Borges De Castilhos Junior
  • Department of Environmental and Sanitary Engineering, Santa Catarina, Federal University of Santa Catarina, Brazil.
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  •  Received: 28 November 2019
  •  Accepted: 24 January 2020
  •  Published: 29 February 2020

Abstract

Open dumps are places where solid waste is disposed directly on the ground, without any environmental assessment, resulting in environmental, societal and economic damages.  In Cape Verde, most of the municipalities dispose their solid waste on open dumps. Cape Verde's new policies on solid waste management determined the closure and the remediation of all the dumps around the country. In this context, this research diagnosed the conditions of tree dumps in Santiago Island and one dump in Fogo Island, in order to rank them for remediation priorities. Also, remediation scenarios and actions for each of the dumps were proposed, using Decision Support Tools (DST). Data were collected by visiting the dumps and applying field questionnaires. The results demonstrated a similarity between Santiago’s open dumps (Santa Cruz, Santa Catarina and Praia Municipal Dumps), having a "Medium" impact level. São Felipe Municipal Dump located in Fogo Island has the highest impact level and it is the priority for remediation actions. The decision support tool usage proved to be an important instrument to aid decision making for managing areas contaminated by Municipal Solid Waste (MSW) in Cape Verde.

 

Key words: Open dumps, diagnosis, remediation scenarios.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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