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high affinity and selectivity towards Ce(Ⅲ) ions in aqueous solutions and bastnasite ore samples.2-Hydroxyethyl methacrylate(HEMA) and N-methacryloylamido antipyrine(MAAP) were used as functional......
有较高的捕收能力及选择性.这与量化计算结果规律一致. 图5 OHA,OA用量对氟碳铈矿,萤石浮选回收率的影响(pH=9) Fig. 5 Effects of OHA and OA dosage on flotation recoveries of bastnasite and fluorite (pH=9) 3 结论 1) OHA阴离子的O1=C3双键和..., BRYANTSEV V S. Adsorption mechanism of alkyl hydroxamic acid onto bastnasite: Fundamental steps toward rational collector design for rare earth elements[J]. Journal of Colloid and Interface Science......
) minerals, such as bastnasite and monazite, may be formed in deposits associated with carbonate gangue, such as calcite and dolomite. Sodium oleate is a widely used collector for the flotation of both RE......
) minerals, such as bastnasite and monazite, may be formed in deposits associated with carbonate gangue, such as calcite and dolomite. Sodium oleate is a widely used collector for the flotation of both RE......
液中,通过提高反应温度而加速了扩散的结果. 表6 氟残留率对氟碳铈矿分解率的影响 Table 6 Effects of residual rate of fluorine on decomposition of bastnasite. 4 结论 1) 利用已有热力学数据,绘制了25 ℃下Ce-F-C-H2O系,La-F-C-H2O系和Nd-F-C-H2O系可溶... Chemical Industry, 2012, 41(6): 632-634. [3] WANG Liangshi, WANG Chunmei, YU Ying, et al. Recovery of fluorine from bastnasite as synthetic cryolite by-product[J]. Journal of Hazardous Materials, 2012......
Earth, 2000, 18(1): 265-267. (in Chinese) [10] ZHANG Shi-rong, TU Gan-feng, REN Cun-zhi, ZHANG Cheng-xiang, LI Chun-cai. Study on the decomposition behavior of bastnasite [J]. Chinese Journal of Rare... of Northeastern University: Natural Science, 2004, 25(4): 378-381. (in Chinese) [12] LIU Shao-gang, CHANG Shu, WEI Xu-jun, XU Xiu-zhi, FENG Fa-lun. Study on the roast reaction of bastnasite [J......
, 2020, 30(8): 1974-1981. WANG Peng, CAO Zhao, WANG Jie-liang, et al. DFT caculation of octyl hydroxamic acid and oleic acid and their flotation performance comparison on bastnasite and fluorite[J... acid adsorption on the α-quartz(101) surface[J]. Minerals Engineering, 2016, 92: 72-77. [18] ESPIRITU, EILEEN R L, SILVA G R, et al. The effect of dissolved mineral species on bastnasite, monazite......
Liangshi, WANG Chunmei, YU Ying, et al. Recovery of fluorine from bastnasite as synthetic cryolite by product[J]. Journal of Hazardous Materials, 2012, 209/210: 77-83. [11] 徐仁扣, 季国亮. 酸性溶液中铝-氟反应动力学[J]. 环... NdFeB scrap[J]. Rare Metals and Cemented Carbides, 2009, 37(1): 9-11. [16] Kul M, Topkaya Y, Karakaya I. Rare earth double sulfates from pre-concentrated bastnasite[J]. Hydrometallurgy, 2008, 93......
Liang-cai. Decomposition of bastnasite and monazite mixed rare earth mineral calcined by alkali liquid[J]. Journal of Rare Earths, 2012, 30(2): 155-158. [5] 冯宗玉, 黄小卫, 王 猛, 张国成. 典型稀土资源提取分离过程的绿色化学进展及趋势...]. Inorganic Chemicals Industry, 2009, 41(11): 8-10. [13] WANG Liang-shi, WANG Chun-mei, YU Ying, HUANG Xiao-wei, LONG Zhi-qi, HOU Yong-ke, CUI Da-li. Recovery of fluorine from bastnasite as synthetic......
[J]. Journal of Rare Earths, 2001, 19 (4): 284-287. [7] XIANG Jun, ZHANG Cheng-xiang, TU Gan-feng, REN Cun-zhi. Thermal decomposition behaviour of natural bastnasite crystal in calcination [J......