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Trans. Nonferrous Met. Soc. China 27(2017) 2573-2586 Fabrication characteristics and tensile strength of novel Al2024/SiC/red mud composites processed via stir casting route Jaswinder SINGH1, Amit... with the increase in the red mud content and the ageing time. The developed model indicated that the red mud content had the highest influence on the tensile strength response followed by the ageing......
相中,针铁矿高压处理后转变为赤铁矿,固相粒径变小,溶剂化趋势增加,从而导致其沉降性能恶化. 关键词:赤泥；表面自由能；Owens二液法；沉降性能；针铁矿 中图分类号:TF09; O647.11 文献标志码:A Effect of surface property of main minerals in red mud... angles of glycerol, benzene and diiodomethane on the main minerals in red mud from alumina production were measured, and the corresponding surface free energy values were estimated by Owens two liquids......
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J. Cent. South Univ. (2020) 27: 1587-1598 DOI: https://doi.org/10.1007/s11771-020-4392-0 Catastrophe theory-based risk evaluation model for water and mud inrush and its application in karst tunnels... University, Changsha 410075, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2020 Abstract: This paper presents a risk evaluation model of water and mud......
赤泥基胶凝材料的Na~+固化机理 高新春1,冯向鹏3,王国际1,孙文标1 (1.河南工程学院,河南,郑州,451191;2.华中科技大学,湖北,武汉,430074;3.首钢总公司,北京,100041) 摘要:采用SEM,EDS等分析手段研究了赤泥基胶凝材料的水化过程.结果表明,在低Ca/Si的赤泥基胶凝材料水化过程中,在Al对Si的取代作用下,桥[SiO_4],[AlO_4]四面体数目逐渐增多,[Si(Al)O_4]结构单元聚合度逐渐增大,Si以Q~1,Q~2结构形式存在的C-S-H凝胶,逐渐转变为具有SiQ~2,SiQ~3和SiQ~4结构单元的(Na,Al)-C-S-H凝胶,从而使Na~+以化学吸附和化学固溶形式固化于水化产物中. 关键词:赤泥; 胶凝材料; Na~+固化; red mud; cementitious material; solidification......
Effects of Lanthanum on Hydrolytic Enzyme Activities in Red Soil 朱建国1,曾青1,李振高1,曹志洪1,林先贵1,谢祖彬1,褚海燕1 (1.Laboratory of Material Cycling in Pedosphere, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China) Abstract:The effects of La on some hydrolytic enzyme activities in red soil were studied in incubation and pot culture experiments. In the incubation experiment, La......
and separation of red mud produced in treatment process of Guizhou diasporic bauxite with low and medium grade by lime Bayer process CHEN Bin, XIAO Li, TANG Xianmin (College of Metallurgical Engineering, Hunan University of Technology, Zhuzhou 412011, China) Abstract: The experimental investigation about settlement and separation performance of red mud generated from lime Bayer process using diasporic......
Trans. Nonferrous Met. Soc. China 22(2012) 3140-3146 Removal of cadmium from aqueous solutions using red mud granulated with cement JU Shao-hua1,2,3, LU Shuai-dan1,2,3, PENG Jin-hui1,2,3, ZHANG...; accepted 18 June 2012 Abstract: A novel adsorbent was prepared from granular red mud mixed with cement and its potential to be a suitable adsorbent for the removal of cadmium ions from aqueous solutions......
Article ID: 1003-6326(2005)06-1394-07 Removal of cadmium from cadmium-contaminated red soils using electrokinetic soil processing LIU Yun-guo(刘云国), LI Cheng-feng(李程峰), ZENG Guang-ming(曾光明...) Abstract: To investigate the feasibility of electrokinetic soil processing on the removal of Cd from Cd-contaminated red soils, a laboratory experiment was conducted. A constant direct current density......
Kinetics comparison on simultaneous and sequential competitive adsorption of heavy metals in red soilsWANG Yan(王艳)1, 2, LI Zhong-wu(李忠武)1, 2, HUANG Bin(黄斌)1, 2, JIANG Wei-guo(蒋卫国)3, GUO Liang(郭亮)1...)Abstract:To compare the adsorption kinetics of Cu, Zn and Cd introduced into red soils simultaneously and sequentially as well as their distribution coefficients, the ability of red soils to retain......
