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  • Title: Use of FGD gypsum in fire resistant panels.
    Author: Leiva C, García Arenas C, Vilches LF, Vale J, Gimenez A, Ballesteros JC, Fernández-Pereira C.
    Journal: Waste Manag; 2010 Jun; 30(6):1123-9. PubMed ID: 20163949.
    Abstract:
    Gypsum from power plant flue gas desulphurization units (FGD gypsum) is a combustion by-product produced in high quantities. In this paper, gypsum panels composed of 100% FGD gypsum from two power plants have been subjected to different physico-chemical (density, pH, humidity), mechanical (flexural and compressive strength, surface hardness, impact resistance), fire resistance and environmental tests (leaching and radioactivity). The results obtained have been compared with the requirements established in some European standards for commercial gypsum and other standards for similar products. In addition, the panels manufactured have been compared with commercial gypsum panels in order to determine the recycling possibilities of this kind of material in this application.
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