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钠化还原法处理高铝褐铁矿新工艺
  • 期刊名称:中国有色金属学报
  • 时间:0
  • 页码:565-571
  • 语言:中文
  • 分类:TQ426.96[化学工程] X703[环境科学与工程—环境工程]
  • 作者机构:[1]School of Mineral Processing and Bioengineering, Central South University, Changsha 410083, China
  • 相关基金:Project(50725416) supported by the National Natural Science Foundation for Distinguished Young Scholars of China
  • 相关项目:矿物工程与物质分离科学
中文摘要:

合作增强被研究过氧化物助手在作为一块倔强的硫醚金牌被分类的材料的三种不同类型上沥滤加速由根据氢使用重金属离子(Pb2+,Bi3+,Tl+,Hg2+和Ag+)的阳极的 intensifiers 关于它的电气化学的性质沥滤的黄金专注,一块容易可滤取的硫醚金牌专注,并且低等级氧化物金牌矿石根据他们的沥滤的特征。结果显示出那,三材料上的有利合作增强效果被获得,黄金的沥滤的时间有效地被弄短到不再比从为氢过氧化物助手的 16 ~ 24 h 的 12 h 沥滤。为五个测试重金属离子,介绍的 Bi3+ 和 Tl+ 共同加强所有三材料上的效果,和引起的 Hg2+ 共同加强倔强、容易可滤取的硫醚黄金上的效果专注,并且仅仅有的 Pb2+ 和 Ag+ 共同加强容易可滤取的硫醚金牌上的效果专注。

英文摘要:

Co-intensification was researched to accelerate gold leaching with regards to its electrochemical nature by using anodic intensifiers of heavy metal ions (Pb2+,Bi3+,Tl+,Hg2+ and Ag+) on the basis of hydrogen peroxide assistant leaching on three different types of materials which were classified as a refractory sulphide gold concentrate,an easily leachable sulphide gold concentrate,and a low grade oxide gold ore according to their leaching characteristics.The results showed that,favorable co-intensification effects on the three materials were obtained and leaching time of gold was effectively shortened to no longer than 12 h from 16 to 24 h for hydrogen peroxide assistant leaching.For the five tested heavy metal ions,Bi3+and Tl+ presented co-intensifying effect on all the three materials,and Hg2+ caused co-intensifying effect on both refractory and easily leachable sulphide gold concentrates,and Pb2+ and Ag+ only had co-intensifying effect on the easily leachable sulphide gold concentrate.

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