Environmental Impact of Phosphogypsum-Derived Building Materials

M. I. Romero-Hermida, V. Flores-Alés, S. J. Hurtado-Bermúdez, A. Santos and L. Esquivias
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M. I. Romero-Hermida: Física de la Materia Condensada, Universidad de Sevilla, 41012 Sevilla, Spain
V. Flores-Alés: Construcciones Arquitectónicas II, Universidad de Sevilla, 41012 Sevilla, Spain
S. J. Hurtado-Bermúdez: CITIUS—S.G.I. Celestino Mutis, Universidad de Sevilla, 41012 Sevilla, Spain
A. Santos: De Ciencias de la Tierra, Universidad de Cádiz, 11519 Cádiz, Spain
L. Esquivias: Física de la Materia Condensada, Universidad de Sevilla, 41012 Sevilla, Spain

IJERPH, 2020, vol. 17, issue 12, 1-17

Abstract: The aim of the present work was to characterize the products obtained from the treatment of phosphogypsum residue by means of two recovery routes, and also to evaluate the concentrations of heavy metals and radionuclides in the materials obtained and their leachates. In this way, it is possible to determine how the most hazardous components of phosphogypsum behave during procedures until their stabilization through CO 2 fixation. This study provides an initial estimate of the possibilities of reusing the resulting products from a health and safety risk standpoint and their potential polluting capacity. The phases resulting from the transformations were controlled, and the behaviour of standard mortars manufactured from the resulting paste lime was studied. In all cases, an additional control of the leachate products was performed.

Keywords: phosphogypsum; lime paste; mortar; heavy metals; radionuclides (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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