Journal
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
Volume 17, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/ijerph17124248
Keywords
phosphogypsum; lime paste; mortar; heavy metals; radionuclides
Funding
- Programa Estatal I+D+i Retos de la Sociedad of the Ministry of Science and Innovation (Spain) [MAT2017-84228-R]
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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.
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