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区T6探槽梁山组铝土矿含矿岩系沉积相划分 Fig. 2 Facies division of bauxite bearing layer of Liangshan formation in T6 trench in Qianbei area 3 研究区周缘海平面升降旋回 黔北铝土矿沉积期约100 Ma,期间是全球海平面变化较频繁的时期[15],晚古生代冰期和间冰期的交替是造... Table 1 Mass fraction of V and Ni in bauxite bearing layer in Qianbei area 图4 黔北铝土矿含矿岩系旋回划分及对比(剖面位置见图1) Fig. 4 Division and correlation of bauxite bearing rock series in Qianbei......
Separation of diaspore from bauxite by selective flocculation using hydrolyzed polyacrylamideLIU Wen-li(刘文莉), HU Yue-hua(胡岳华), SUN Wei(孙伟) (School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China)Abstract:Selective flocculation is a new method to solve the problem of China’s bauxite de-silication besides flotation and reverse flotation. The method......
ARTICLE J. Cent. South Univ. (2019) 26: 373-382 DOI: https://doi.org/10.1007/s11771-019-4009-7 Physical, chemical, and surface charge properties of bauxite residue derived from a combined process... Nature 2019 Abstract: A detailed understanding of the composition, buffering capacity, surface charge property, and metals leaching behavior of bauxite residue is the key to improved management, both......
Trans. Nonferrous Met. Soc. China 31(2021) 1484-1495 Effect of phosphogypsum on saline-alkalinity and aggregate stability of bauxite residue Tao TIAN1, Chao-lan ZHANG2, Feng ZHU1, Shan-xin YUAN1... of bauxite residue. Results showed that: with increasing leaching time, the concentrations of saline-alkali ions decreased while the concentration increased in bauxite residue leachate; compared......
Synthesis of Refractory Cordierite from Calcined Bauxite, Talcum and Quartz吴建锋,FANG Binzheng,XU Xiaohong,XU Xiaoyang,ZHENG Shuqing,YI GuoxiaState Key Laboratory of Silicate Materials for Architectures摘 要:A cordierite was synthesized from calcined bauxite, talcum, and quartz. The properties and microstructure of the cordierite sintered samples were......
Research Institute, Aluminum Corporation of China Limited, Zhengzhou 450041, China) Abstract: The digesting rule of diasporic bauxite with A/S of 5.96 was studied by adding calcium ferrite...]. 2007.LI Xin-hua, YIN Zhong-lin, WU Guo-bao. A digestion method for diasporic bauxite. CN 101054626[P]. 2007. ......
Effects of minerals in ferric bauxite on sodium carbonate decomposition and volatilizationHU Wen-tao(胡文韬)1, WANG Hua-jun(王化军)1, LIU Xin-wei(刘欣伟)1, SUN Chuan-yao(孙传尧)1, 2(1. Key Laboratory of High... and Technology(Beijing General Research Institute of Mining and Metallurgy), Beijing 100070, China;)Abstract:Direct reduction is an emerging technology for ferric bauxite utilization. However, because......
Recovery of iron and calcium aluminate slag from high-ferrous bauxite by high-temperature reduction and smelting processYing-yi Zhang1,2,Wei Lü1,Yuan-hong Qi2,Zong-shu Zou31. College of Materials... University摘 要:A high-temperature reduction and smelting process was used to recover iron and calcium aluminate slag from high-ferrous bauxite. The effects......
均,主要集中在夏季,占全年降雨量的45%~60%. 1.2 样品采集 图1 赤泥堆场样点分布图 Fig. 1 Distribution of sampling point in bauxite residue disposal areas 2014年8~10月,选择已闭库的赤泥堆场为研究区域,赤泥均为拜耳法赤泥(用拜耳法生产工艺提炼铝土矿产生的赤泥).根据堆置...对应的赤泥排放年份见表1. 表1 赤泥堆场采样点堆存时间 Table 1 Discharge years of bauxite residue in BRDAs 1.3 样品分析 制备赤泥水比为1:5的浸出液,盐分含量用烘干残渣-质量法测定[15],pH用pH计(雷磁PHS-3C型)测定[15],EC值用电导率仪(雷磁DDS-307型)测定[15],双指示剂中......
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