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suffered many serious pollution incidents due to dam-failure, which seriously threaten the surrounding environment safety and residents’lives [7, 8]. Bauxite residue exhibited high alkaline and complex... classified as soluble alkali (free alkali) and insoluble alkali (combined alkali) types [9, 10]. Soluble alkali is formed during the dissolution of bauxite in high concentration caustic solution which could......
: 10.1007/s11771-017-3568-8. [4] PAN Xiao-lin, YU Hai-yan, TU Gan-feng. Reduction of alkalinity in bauxite residue during Bayer digestion in high-ferrite diasporic bauxite [J]. Hydrometallurgy, 2015, 151: 98–106. DOI... ARTICLE J. Cent. South Univ. (2019) 26: 383-392 DOI: https://doi.org/10.1007/s11771-019-4010-1 Alkalinity stabilization behavior of bauxite residue:Ca-driving regulation characteristics of gypsum......
, soluble ions, total salt, pH, electrical conductivity (EC) and exchangeable sodium percentage (ESP) were selected to evaluate alkalization and salinization of bauxite residue. High levels of ions... substances including sodalite, cancrinite, calcite, tricalcium aluminate, and perovskite cause bauxite residue a high value of pH (10.5–12.8), and high Na+ concentration in solution phases leads......
ARTICLE J. Cent. South Univ. (2019) 26: 404-409 DOI: https://doi.org/10.1007/s11771-019-4012-z Preliminary assessment of revegetation potential through ryegrass growing on bauxite residue LYU Fei(吕... University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: Bauxite residue (BR), a by-product of the industrial production of alumina, has raised environmental concerns......
production by using high-sulfur bauxite[D]. Shenyang: Institute of Materials and Metallurgy, Northeast University, 2010: 7-8. [3] LI Xiaobin, LI Chongyang, PENG Zhihong, et al. Interaction of sulfur... and sulfur removal in high sulfur-containing bauxite[J]. Transactions of Nonferrous Metals Society of China, 2011, 21(7): 1641-1647. [7] KONG Xiangfeng, JIANG Xingxing, XUE Shengguo, et al. Migration......
the Bayer process (sodium hydroxide digestion under high temperature and pressure) results in the generation of bauxite residue as a by-product.Production rate of the residue generally ranges from 1 to 1.5... ARTICLE J. Cent. South Univ. (2019) 26: 353-360 DOI: https://doi.org/10.1007/s11771-019-4007-9 Rehabilitation of bauxite residue to support soil development and grassland establishment Ronan......
220 g/L的溶出条件下,矿石中氧化铝的相对溶出率可达到93.7%. 关键词:高硫铝土矿;焙烧预处理;脱硫;溶出性能 中图分类号:TF 803.21 文献标识码:A Roasting pretreatment of high-sulfur bauxite and digestion performance of roasted ore... of 220 g/L. Key words: high sulfur bauxite; roasting pretreatment; desulfurization; digestion performance  ......
)09-2929-07 Suspended roasting of high sulfur bauxite and leaching performance of roasted ore ZHAO Bo, CHEN Yanxin, JIU Shaowu, HAN Ding, YANG Pan (School of Materials and Mineral Resources, Xi’an University of Architecture and Technology, Xi’an 710055, China) Abstract: In order to verify the reliability and long-term stability of roasting process and device of high sulfur bauxite, to provide the device......
J. Cent. South Univ. Technol. (2008) 15: 656-662 DOI: 10.1007/s11771-008-0122-8 Removal of anionic ions from single material solution by bauxite tailings modified with FeCl3·6H2O LAN Ye(兰 叶)1...; Abstract: The adsorbabilities of the unmodified and modified bauxite tailings for Cr(Ⅵ), As(Ⅴ) and F(Ⅰ) ions were investigated. Batch experiments were carried out to determine......
. LU Guozhi. Basic research on alumina production by using high-sulfur bauxite[D]. Shenyang: Northeastern University. Institute of Materials and Metallurgy, 2010: 7-8. [5] LI Xiaobin, LI Chongyang, PENG..., 等. 高硫铝土矿的焙烧预处理及焙烧矿的溶出性能[J]. 中国有色金属学报, 2009, 19(9): 1684-1689. LU Guozhi, ZHAN Tingan, BAO Li, et al. Roasting pretreatment of high-sulfur bauxite and digestion performance of roasted ore[J......