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Zhihang Hu, Xiaowei Gu, Baojun Cheng, Qing Wang, Jianping Liu, Xiaowei Ge and Shiqi Yin
The preparation of iron ore tailings (IOTs) into supplementary cementitious materials (SCMs) is an effective approach to achieve value-added utilization of industrial solid waste. This study systematically investigates the hydration pattern and strength ...
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NDiarel Baidy Ba, Radhia Souissi, Faouzi Manai, Imad Khalil Taviche, Bochra Bejaoui, Mohamed Abdallahi Bagga and Fouad Souissi
Since 2004, the processing of the iron oxide?copper?gold (IOCG) ore of Guelb Moghrein, Akjoujt, Mauritania, has resulted in the generation of approximately 40 million tons of mine tailings. The storage of these tailings poses significant environmental ch...
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Kangning Liu, Sheliang Wang, Xiaoyi Quan, Jing Wu, Jin Xu, Nan Zhao and Bo Liu
In this study, iron ore tailings (IOTs) are used as aggregates to prepare iron-ore-tailing-engineered cementitious composites (IOT-ECCs) to achieve clean production. Some mechanical indexes, such as compressive strength (fcu), four-point flexural strengt...
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Renato Oliveira da Silva Júnior, Helena Pereira Almeida, Marcio Sousa da Silva, Adriano Cuenya França, Eduardo Balleroni, Nailson dos Santos, Paulo Henrique Vilela, Adayana Maria Queiroz de Melo and José Tasso Felix Guimarães
Monitoring the concentration of potentially toxic elements (PTEs) in the aquatic ecosystems of the Amazon is critical to guarantee the maintenance of the ecological balance and the life quality of human populations that reside in or use these environment...
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Leonardo De Bona Becker, Maria do Carmo Reis Cavalcanti and Alfredo Affonso Monteiro Marques
Tailings dam accidents emphasize the importance of an adequate understanding of the strength parameters of tailings to improve the efficiency and effectiveness of the design, construction, and operation of such structures. Usually, the tailings strength ...
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Fuxin Zheng, Yanguo Teng, Yuanzheng Zhai, Jingdan Hu, Junfeng Dou and Rui Zuo
Since the 1990s, sandstone-type uranium in the northern basin of China has become the main target for mining. Uranium mining can cause a series of impacts on the environment. A conceptual model of the geo-environment for sandstone-type uranium in norther...
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Nilo Cesar Consoli, Jordanna Chamon Vogt, João Paulo Sousa Silva, Helder Mansur Chaves, Hugo Carlos Scheuermann Filho, Eclesielter Batista Moreira and Andres Lotero
Failures of tailings dams, primarily due to liquefaction, have occurred in Brazil in recent years. These events have prompted the Brazilian government to place restrictions on the construction of new dams, as iron ore tailings deposited behind upstream d...
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Annafi Qaudri Babatunde, Eberemu Adrian Oshioname, Yohanna Paul and Osinubi Kolawole Junwolo
The study evaluated the effect of elapsed time after mixing on the strength properties of lime and iron ore tailings (IOT) treated black cotton soil (BCS) (an expansive tropical black clay) as road construction material. BCS was treated with 0, 2, 4, 6, ...
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Henar Moran-Palacios, Francisco Ortega-Fernandez, Raquel Lopez-Castaño and Jose V. Alvarez-Cabal
Rare earths have appeared in the market with new energy and Information Technology and Communications (ITC) applications. While their demand grows exponentially, their production is experiencing a bottleneck given that their deposits are concentrated in ...
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Tales Moreira de Oliveira, Fábio José Generoso, Taciano Oliveira da Silva, Giovani Levi Sant'Anna, Cláudio Henrique de Carvalho Silva, Heraldo Nunes Pitanga
Pág. e38038
This study aimed to use iron ore tailings in the construction of road pavements and embankments. To this end, it was investigated the geomechanical properties of mixtures of two iron ore tailings, improved with cement, whose results are important t...
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