2019
DOI: 10.1016/j.conbuildmat.2019.116860
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Environmentally clean construction materials from hazardous bauxite waste red mud and spent foundry sand

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Cited by 34 publications
(25 citation statements)
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“…The first step occurred between 145 and 330 °C (mass loss: 17%), which was attributed to the loss of chemically adsorbed water. The second step, between 340 and 530 °C (mass loss: 16%), could be related to the transformation and decomposition of amorphous minerals 31 . The wide curves (no characteristic peak) in the DTG diagram indicates that, most likely, several minerals participated in the decomposition reactions.…”
Section: Resultsmentioning
confidence: 99%
“…The first step occurred between 145 and 330 °C (mass loss: 17%), which was attributed to the loss of chemically adsorbed water. The second step, between 340 and 530 °C (mass loss: 16%), could be related to the transformation and decomposition of amorphous minerals 31 . The wide curves (no characteristic peak) in the DTG diagram indicates that, most likely, several minerals participated in the decomposition reactions.…”
Section: Resultsmentioning
confidence: 99%
“…Preocupados principalmente com as questões ambientais, vários trabalhos na literatura avaliaram o Environmental Scientiae v.3 -n.2  Jun a Nov 2021 reuso dos resíduos. Alekseev et al (2019) desenvolveram novos compostos cerâmicos ecológicos, a partir da lama vermelha, bauxita e AF, buscando reduzir a quantidade de resíduos, e obter cerâmicas favoráveis ao meio ambiente, com boas propriedades físicas. Souza et al (2019) avaliaram o emprego do subproduto AF para produzir revestimentos com materiais de proteção em liga de alumínio por oxidação eletrolítica no plasma.…”
Section: Resultsunclassified
“…Em relação aos aspectos ambientais, as concentrações de metais pesados estão abaixo dos limites regulamentares para resíduos perigosos exceto para as amostras contendo 30% de LV e sinterizadas a 950°C. Alekseev et al (2019) analisaram as propriedades de tijolos confeccionados por prensagem com adições de dois resíduos: a lama vermelha (50 a 100%) e areia de fundição (0 a 50%). As temperaturas de queima foram 800, 900, 1000, 1050, 1100, 1150, 1200 e 1225 °C por 3 horas (patamar).…”
Section: Incorporação Da Lama Vermelha Na Cerâmicaunclassified