An overview of waste materials recycling in the Sultanate of Oman

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Abstract

Various wastes and by-product materials are generated in the Sultanate of Oman including reclaimed asphalt pavement (RAP) aggregate, demolition concrete, cement by-pass dust (CBPD), copper slag, petroleum-contaminated soils (PCS), discarded tires, incinerator ash, and others. Recycling of such materials in construction is not practiced. Research data are also minimal into the potential use of selected materials in construction applications. This paper will present the results of several laboratory studies conducted into the use of PCS in asphalt concrete mixtures; on the use of CBPD in soil stabilization and flowable fill mixtures; on the utilization of copper slag and CBPD as cementitious materials; on the use of incinerator ash in cement mortars; and on the use of RAP aggregate in road bases and sub-bases. Laboratory data generally indicate that it is feasible to partially reuse some of these materials in construction provided that economic incentives and environmental concerns are taken into consideration.

Original languageEnglish
Pages (from-to)293-306
Number of pages14
JournalResources, Conservation and Recycling
Volume41
Issue number4
DOIs
Publication statusPublished - Jul 2004

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Keywords

  • By-product
  • Cementitious
  • Construction
  • Environment
  • Oman
  • Recycling
  • Waste

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Management, Monitoring, Policy and Law
  • Waste Management and Disposal

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