Physicochemical Problems of Mineral Processing; ISSN 2084-4735 2017
DOI: 10.5277/ppmp170109
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Features of distribution of uranium and thorium in red mud

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Cited by 4 publications
(3 citation statements)
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“…In addition to REEs, such residues may also be enriched in uranium and thorium. Gu et al (2017) reported U, Th, and REEs ranging from 20 to 31, 72 to 159, and 468-1237 mg kg −1 , respectively, in Chinese red mud, while the resulting red mud after alumina extraction from Greek bauxites (497-674 mg kg −1 REEs) had REEs up to 1777 mg kg −1 (Binnemans et al, 2013;Deady et al, 2016). Coal combustion processes also lead to enrichment of REEs in ash by a factor of six to ten compared to coal (e.g., Seredin and Dai, 2012;Franus et al, 2015;Fiket et al, 2018a;Okeme et al, 2020).…”
Section: Secondary Resources Of U Th and Reesmentioning
confidence: 99%
“…In addition to REEs, such residues may also be enriched in uranium and thorium. Gu et al (2017) reported U, Th, and REEs ranging from 20 to 31, 72 to 159, and 468-1237 mg kg −1 , respectively, in Chinese red mud, while the resulting red mud after alumina extraction from Greek bauxites (497-674 mg kg −1 REEs) had REEs up to 1777 mg kg −1 (Binnemans et al, 2013;Deady et al, 2016). Coal combustion processes also lead to enrichment of REEs in ash by a factor of six to ten compared to coal (e.g., Seredin and Dai, 2012;Franus et al, 2015;Fiket et al, 2018a;Okeme et al, 2020).…”
Section: Secondary Resources Of U Th and Reesmentioning
confidence: 99%
“…(2013) mostra que as concentrações de terras raras, podem chegar até 1700 ppm, dependendo da fonte mineral da bauxita, sendo um valor quase centena de vezes maior que a concentração média de ETR na crosta terrestre, cerca de 22 ppm. (CETEM, 2015) É crescente nas últimas décadas, os estudos e possibilidades de aproveitamento do resíduo lama vermelha, podendo-se destacar o seu uso como: meio para a remoção e tratamento de água e gases (CONCEIÇÃO et al, 2021;BOTELHO JUNIOR et al, 2020;SILVA et al, 2019;PICHINELLI et al, 2017;LOPES et al, 2017;MORENO et al, 2016), produção de revestimentos cerâmicos em liga de alumínio (SOTTOVIA et al, 2014), materiais de construção com tijolo, cimento e concreto (MOREIRA et al, 2020;DERELI & TOSUN, 2020;CHENG et al, 2019;ALEKSEEV et al, 2019;YATHISH et al, 2020;GORONOVSKI et al, 2018GORONOVSKI et al, , 2019GORONOVSKI et al, , 2021OZDEN et al, 2019;HEGEDUS et al, 2019;GU et al, 2017), matériaprima para o desenvolvimento de cerâmica (SUN et. al., 2021;Xu et.…”
Section: )unclassified
“…V, Cr, Ni, Cu, Zn, Pb) (Kutle et al, 2004), metalloids (e.g. As) (Obhođaš et al, 2012) and radionuclides (Th, U) (Gu et al, 2017). However, the bioavailability of toxic metals and metalloids is usually low (Ruyters et al, 2011) and radioactivity below hazardous levels (Obhođaš et al, 2012).…”
Section: Introductionmentioning
confidence: 99%