煤中锗的资源分布及其提取工艺研究进展  

Research Progress on Resource Distribution and Extraction Technology of Germanium in Coal

作　　者：钞晓光 李依帆 张云峰 王瑞 陈东 王永旺 Chao Xiaoguang;Li Yifan;Zhang Yunfeng;Wang Rui;Chen Dong;Wang Yongwang(Shenhua Zhungeer Energy and Resource Comprehensive Development Co.,Ltd.,Erdos,Inner Monglia,China)

机构地区：[1]神华准能资源综合开发有限公司,内蒙古鄂尔多斯010300

出　　处：《矿产综合利用》2020年第4期21-25,共5页Multipurpose Utilization of Mineral Resources

摘　　要：本文首先介绍了煤中锗的分布和赋存状态,然后着重介绍了煤中锗的几种提取工艺,从褐煤中直接提锗的工艺有水冶法、微生物浸出法和干馏-氯化法;从煤的燃烧产物中提取锗的工艺有火冶法、氯化干馏法、溶剂萃取法等。最后总结了几种提锗工艺的优缺点,为国内多种提锗工艺提供了重要的参考价值。This paper first introduces the distribution and occurrence of germanium in coal,and then emphatically introduces several extraction processes of germanium in coal.The direct extraction processes of germanium from lignite include hydrometallurgy,microbial leaching method and dry distillationchlorination.The extraction processes of germanium from coal combustion products include pyrometallurgy,chlorinated distillation and solvent extraction.Finally,the advantages and disadvantages of several extraction processes are summarized,which provides important reference value for various extraction processes in China.

关 键 词：煤中锗 提取锗 水冶法 微生物浸出法 干馏-氯化法 氯化蒸馏法 

分 类 号：TD952[矿业工程—选矿]