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体的理论PZC接近[9],进一步说明在此pH条件下,锂辉石矿物表面生成了氢氧化铝沉淀或氢氧化铁沉淀.当pH进一步增大时,氢氧化铝沉淀或氢氧化铁沉淀进一步与水中的OH-络合,形成四羟基络阴离子,因此矿物表面动电位迅速下降. 图4 不同初始浓度金属离子水解组份浓度与pH的关系 Fig. 4 Relationship between pH and metal ions hydrolyzing species at different initial metal ions concentrations 图5 锂辉石在不同溶液中表面动电位与溶液pH的关系 Fig. 5 Relationship between pH and surface zeta-potential of spodumene under various solution......
, 2015. WU Ai-xiang, WANG Hong-jiang. Theory and technology of metal ore paste filling[M]. Beijing: Science and Technology Press, 2015. [19] 赖 伟, 刘婉莹. 全尾砂充填料浆坍落度试验研究[J]. 有色金属(矿山部分), 2014, 66(3): 26-28.... Calculation method for resistance loss of paste filling pipeline[J]. Metal Mine, 2010(12): 33-36. [10] 陈秋松, 张钦礼, 王新民. 全尾砂似膏体管输水力坡度计算模型研究[J]. 中国矿业大学学报, 2016, 45(5): 901-906. CHEN Qiu-song, ZHANG Qin-li......
melting point eutectic with impurity metal oxides and sinter readily form, seriously deteriorating the roasting process. When roasted at relatively lower temperatures, the oxidation is slow, resulting... in the concentrate, and the impurity element Si mainly in the form of quartz. Other metal impurities are not detected in XRD analysis and may be in the form of oxides or sulfides. Table 1 Main chemical......
): 607-615. [15] JI Z G, XU Z, WANG W, et al. Selective and multi-step leaching of valuable metals from scrap copper-smelting sludge[J]. Applied Mechanics and Materials, 2015, 737: 642-645. [16] ZHANG Yang... zinc ore[J]. Journal of Metals, 1976, 28(2): 8-12. Mineralogical characteristics and oxygen pressure acid leaching process of copper smelting slag SHI Gong-chu, LIAO Ya-long, SU Bo-wen, XI Jia-jun......
backfilling based on orthogonal-BP neural network[J]. Metal Mine, 2016, 39(1): 43-46. [11] EHSAN M, DANIAL J A, MOHSEN H. Prediction of uniaxial compressive strength of rock samples using hybrid particle..., XIN Yun-tao, et al. Prediction for oxidation leaching behavior of antimony containing sulfide ore based on artificial neural network model[J]. The Chinese Journal of Nonferrous Metals, 2018, 28(10......
Metals, 2018, 28(1): 183-187. [4] HOLL R, KLING M, SCHROLL E. Metallogenesis of germanium-A review[J]. Ore Geology Reviews, 2007, 30(3/4): 145-180. [5] DUTRIZAC J E, CHEN T T, LONGTON R J...中稀散金属回收的新途径[J]. 有色金属(冶炼部分), 1990(1): 32-35. XU Shao-quan, LI Su-qing. A new method for recovery of scattered metal from zinc sulfide concentrate process[J]. Nonferrous Metals(Extractive Metallurgy......
Introduction Bauxite residue, acting as a high alkaline waste, is generated during the production process from bauxite ore to alumina [1,2]. The land-based disposal areas, used to store large scale bauxite...] TIAN Tao, ZHOU Jing-ju, ZHU Feng, YE Yu-zhen, GUO Ying, HARTLEY W, XUE Sheng-guo. Effect of amendments on the leaching behavior of alkaline anions and metal ions in bauxite residue [J]. Journal......
, Jia LIU1, Liu LIU1 1. School of Energy Science and Engineering, Central South University, Changsha 410083, China; 2. Shenzhen Zhongjin Lingnan Non-ferrous Metal Company Limited, Shenzhen 518040..., Eulerian-Eulerian two-fluid model, and multi-reference flame method. The mixing process in the tank was calculated by tracer method. The results show that increasing the rotating speed or gas flow......
, AI Xianbin2, HUANG Kai3, SUN Xiaoyan1, WU Yongming1 (1. Jiangxi Engineering and Technology Research Center for Ecological Remediation of Heavy Metal Pollution, Institute of Microbiology, Jiangxi... residue; heavy metal; bioleaching; chemical leaching; solid-liquid separation 随着我国农业现代化进程加快,畜禽养殖业规模不断扩大,环境问题日益凸显.据2017年农业部数据,我国畜禽粪污产生量约38亿t,但综合利用率不足60%.目前畜禽粪便的主要利用方式包括作饲料,制肥料和制沼气[1].此外,研究最多的是畜禽粪便发酵制沼气,沼液......
]. Hydrometallurgy, 2011, 108(1): 100-108. [10] 肖军辉, 施哲, 陈金花. 含钪钛矿石氯化焙烧-浸出分离钪研究[J]. 稀土, 2015, 36(2): 21-28. XIAO Jun-hui, SHI Zhe, CHEN Jin-hua. Study on separation of scandium from scandium-containing titanium ore..., and the spectral peaks of NaCl, CaTiO3 and Fe2O3 appear, and there is no obvious spectral peak of scandium metal. It is also further verified that the alkali decomposition roasting can effectively destroy......
