Journal ArticleDOI
Controlled reduction of red mud by H2 followed by magnetic separation
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TLDR
In this paper, a novel processing approach for the separation of the iron oxide from Red Mud (RM), based on the gentle reduction by hydrogen in static conditions followed by wet magnetic separation, was presented.About:
This article is published in Minerals Engineering.The article was published on 2017-05-01. It has received 57 citations till now. The article focuses on the topics: Magnetic separation & Magnetite.read more
Citations
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Comprehensive utilization status of red mud in China: A critical review
TL;DR: Wang et al. as discussed by the authors used a comprehensive literature database to classify and statistically analyze red mud-related publications from 2010 to 2019, and found that research on the comprehensive utilization of red mud is mainly found in three fields: the construction and chemical industry, the environmental protection and agriculture industry, and the valuable elements extraction industry.
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A review on the enrichment of iron values of low-grade Iron ore resources using reduction roasting-magnetic separation
TL;DR: In this paper, the authors compile and amalgamate the crucial information regarding the beneficiation of low-grade iron ores using carbothermic reduction followed by magnetic separation, which is a promising technique to treat low grade iron with complex mineralogy and liberation issues.
Journal ArticleDOI
Characteristic, hazard and iron recovery technology of red mud - A critical review
TL;DR: In this article, the authors systematically reviewed the iron recovery methods for resource utilization of high-iron red mud (RM) and divided the technology of iron recovery from highiron RM into three aspects: physical separation method, pyrometallurgy method (reduction smelting and reduction roasting) and hydrometalizing method (acid leaching).
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A semi-industrial experiment of suspension magnetization roasting technology for separation of iron minerals from red mud.
TL;DR: This study demonstrates that SMR is a promising technology for the recovery of iron from red mud by demonstrating that both magnetite and maghemite were found in the roasted product.
Journal ArticleDOI
Comparison of microwave and conventional carbothermal reduction of red mud for recovery of iron values
TL;DR: In this article, the authors investigated the recovery of iron values from Indian red mud through different routes using statistical design and found that the microwave route provides a significant improvement in iron grade and recovery at comparatively lower levels of time and reductant dosage.
References
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Journal ArticleDOI
Kinetics of reduction of iron oxides by H2: Part I: Low temperature reduction of hematite
TL;DR: In this article, the reduction of Fe3O4 by H2 in the temperature range of 210-950 °C was investigated and the results showed that the reaction rate is controlled by diffusion and SEM observations confirm the sintering of the reaction products.
Journal ArticleDOI
Leaching of rare earths from bauxite residue (red mud)
TL;DR: In this paper, the authors performed leaching experiments on Greek bauxite residue with different acids at different concentrations, liquid-to-solid ratios, leaching times and temperatures.
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Hidden values in bauxite residue (red mud): recovery of metals
Yanju Liu,Ravi Naidu +1 more
TL;DR: A critical overview of the current techniques employed for iron recovery from red mud is presented to provide an insight into the full potential usage of red mud as an economic resource rather than a waste.
Journal ArticleDOI
Determination of the reduction mechanism by temperature-programmed reduction: application to small iron oxide (Fe2O3) particles
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Titanium leaching from red mud by diluted sulfuric acid at atmospheric pressure
TL;DR: The titanium recovery efficiency on the basis of red mud weight reached 64.5%, and the main effects and interactions of the leaching process factors were: acid normality, temperature and solid to liquid ratio.
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