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Indium recovery from zinc oxide flue dust by oxidative pressure leaching LI Xuan-hai(黎铉海)1, ZHANG Yan-juan(张燕娟)1, QIN Quan-lun(覃全伦)1, YANG Jian(阳 健)1, WEI Yan-song(韦岩松)2 1. School... solutions. The stability of indium sulfide, zinc ferrite and solid-melt in sulphuric acid creates problems in indium recovery by hydrometallurgical processes. Pressure leaching can increase......
roasting condition, magnetic concentrate with total iron grade of 57.11% and the recovery rate of 72.58% are obtained when the leaching temperature is 60 ℃, the liquid-solid ratio is 15:1, the leaching time is 5 min, the stirring speed is 20 r/min and the exciting current is 2 A. The grade of magnetic concentrate and recovery rate of iron are higher than the indexes obtained by the method of simple......
, Dong-xing WANG1,2,3, Hong-yang CAO1,2,3, Wei LI1,2,3, Jin-zhang TAO1,2,3 1. Guangdong Research Institute of Rare Metals, Guangzhou 510650, China; 2. State Key Laboratory of Separation and Comprehensive... metals and the recovery of platinum group metals (PGMs). The complete dissolution of base metals sulfides leads to a reduction in the amount of flotation carrier for enriching PGMs, decreasing the recovery......
石资源综合利用现状与发展前景研究[J]. 中国矿业, 2010, 19(4): 15-17. WANG Xiao-lin, JI Chang-sheng, REN Hai-bing. A study of present situation of comprehensive utilization and development prospect of alunite in China[J...矿的综合利用[J]. 中国有色金属学报, 2013, 23(10): 2949-2960. XIAO Jun-hui, FENG Qi-ming, FAN Shan-ping, XU Long-hua, WANG Zhen. Comprehensive utilization of copper, tungsten and tin polymetallic tailings in Bolivia......
Response surface design for nickel recovery from laterite by sulfation-roasting-leaching process LI Dong(李 栋)1, PARK Kyung-ho(朴庚镐)1, 2, WU Zhan(吴 展)1, GUO Xue-yi(郭学益)1 1. School...]. Minerals Engineering, 2002, 15: 523-530. [5] ARROYO J C, NEUDORF D A. Atmospheric leach process for the recovery of nickel and cobalt from limonite and saprolite ores: USA, Patent 6261527 [P]. 2001-07-17......
铜阳极泥分银渣中综合回收利用锡的研究[D]. 赣州: 江西理工大学, 2013: 5-12. WU Yan-xin. Study on the comprehensive recovery of tin from silver-separated residue[D]. Ganzhou: Jiangxi University of Science and Technology, 2013...%,99.99%；随着碳粉的加入量从20%增加到40%,铅,铋的回收率基本保持不变.综合碳粉加入量对锡,锑,砷浸出率以及铅,铋回收率的影响,选取碳粉加入量为20%时作为最优条件. 图9 碳粉加入量对各金属回收率的影响 Fig. 9 Effect of content of coke powders on recovery rate of metals 2.5 熔炼时......
A novel process for Fe recovery and Zn, Pb removal from a low-grade pyrite cinder with high Zn and Pb contentsCong-cong Yang,De-qing Zhu,Jian Pan,Si-wei Li,Hong-yu TianSchool of Minerals Processing and Bioengineering, Central South University摘 要:Comprehensive utilization of pyrite cinders is increasingly important because of their huge annual outputs......
, needs further treatment to achieve comprehensive utilization. The methods of elemental sulfur recovery from hydrometallurgical residue cover flotation, hot filtration, ammonium sulfide... and enrichment of mercury and the recovery of elemental sulfur from flotation sulfur concentrate in zinc pressure leaching process were carried out by sodium sulfide leaching and carbon dioxide......
(1): 12-15. WANG Yu-mian, HUANG Yan, ZHOU Xing, et al. Study of comprehensive recycling of black copper sludge[J]. Journal of Lanzhou University of Technology, 2012, 38(1): 12-15. [10] 刘志宏. 中国铜冶炼节能减排现... removal from anode slime by pretreatment[J]. Precious Metals, 2002, 23(4): 1-5. [26] 周 犇. 金银提取过程中砷害综合治理实践[J]. 有色金属(冶炼部分), 2002(3): 19-21. ZHOU Ben. Arsenic comprehensive treatment practice in the Au......
碱度(CaO/SiO2)对铂,钯,铑回收率的影响,其结果见图5. 图5 碱度对铂,钯,铑回收率的影响 Fig. 5 Effect of basicity on recovery rate of Pt, Pd and Rh 由图5可见,随着熔炼体系碱度的提高,铂,钯,铑回收率呈现逐渐升高的趋势.熔炼体系二元碱度是根据原料中的SiO2的含量,再通过配加CaO及SiO2来调节... on recovery rate of Pt, Pd and Rh 基于理论研究分析,进行了验证实验,结果表明,在适当的工艺条件下,铂,钯,铑回收率分别为98.2%,99.2%,97.6%.在前期的工作中[16],对铜捕集法从失效汽车催化剂中回收铂族金属工艺进行了全面的研究,研究结果证实了本研究理论分析的可靠性.相关文献[17]也提到了采用铜,氧化铜,铜矿等作为捕集剂从各种废料中回收铂族金属的研究,基本都是集......
