Radiological implications of using phosphogypsum as building material
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Brazilian Journal of Radiation Sciences
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Phosphogypsum, a waste byproduct derived from the production of phosphoric acid, is being worldwide stock-piled, posing concerns about the environmental problems originating from this practice. Considerations about the viability of the safe reuse of this material have been raised, among them its potential use as building material. However, as phosphogypsum can contain natural radionuclides in significant concentrations, using it as a build-ing material has radiological implications, which presently prevent such application. In order to evaluate the feasibility of using phosphogypsum in the manufacturing of building elements such as bricks and plates, a com-prehensive research was undertaken in Brazil, following a multiple approach. This research included studies related to: Brazilian phosphogypsum characterization; experimental determination of radon exhalation rate; and application of theoretical models to forecast both radon exhalation and external doses in dwellers. In this paper, a comprehensive review of the research carried out in Brazil is presented.
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MAZZILLI, B.P.; CAMPOS, M.P.; NISTI, M.B.; SAUEIA, C.H.R.; MADUAR, M.F. Radiological implications of using phosphogypsum as building material: a case study of Brazil. Brazilian Journal of Radiation Sciences, v. 8, n. 1, p. 1-29, 2020. DOI: 10.15392/bjrs.v8i1.1008. Disponível em: http://repositorio.ipen.br/handle/123456789/31457. Acesso em: 26 Mar 2026.
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