欢迎访问过程工程学报, 今天是

›› 2006, Vol. 6 ›› Issue (5): 849-856.

• 综述 • 上一篇    

细菌氧化浸出含金砷黄铁矿的过程机理及电化学研究进展

李海波,曹宏斌,张广积,张懿,方兆珩   

  1. 中国科学院过程工程研究所
  • 出版日期:2006-10-20 发布日期:2006-10-20

A Review on Bioleaching Mechanism and Electrochemistry of Arsenic-bearing Gold Ores

LI Hai-bo,CAO Hong-bin,ZHANG Guang-ji,ZHANG Yi,FANG Zhao-heng   

  1. Institute of process engineering, Chinese Academy of sciences
  • Online:2006-10-20 Published:2006-10-20

PDF

被引次数

55

摘要： 难浸金矿的细菌浸出预处理是提高其金氰化浸出率的有效技术，也是解决这类矿物处理过程带来的环境负效应的有力措施. 本工作综述了砷黄铁矿细菌氧化浸出机理研究的最新成果，着重于细菌氧化浸出的反应历程、浸出动力学、细菌浸出生物化学、电化学技术应用于硫化矿物细菌浸出机理的研究进展，以及由机理研究引伸的细菌强化浸出措施和效果.

关键词: 含砷难浸金矿, 细菌浸出, 氧化亚铁硫杆菌, 砷黄铁矿, 电化学

Abstract: The bioleaching of arsenic-bearing refractory gold ores offers an effective pretreatment technology, which is an environmentally friendly process and able to improve the gold recovery. In the present article, the chemical reaction mechanism, leaching kinetics, biochemistry, electrochemistry and process intensifying technologies occurring in the bioleaching process of sulfide minerals are reviewed.

Key words: arsenic-bearing refractory gold ore, bioleaching, Acidithiobacillus ferrooxidans, arsenopyrite, electrochemistr