分馏萃取提纯金的方法研究  

Purification of Gold from Gold Slime through Fractionation Extraction

作　　者：韩慧芳[1] 曾宪明[1] 柯玲[1] 冯玉怀[1] 孙根玲 

机构地区：[1]西北有色地质研究院,陕西西安710054

出　　处：《分析科学学报》2010年第4期469-472,共4页Journal of Analytical Science

摘　　要：本文报道了在常温条件下,用磷酸三丁酯(TBP)做萃取剂,反萃取金的分馏萃取提纯金的工艺方法,使金的纯度、回收率大大提高。该项技术既可降低投资成本,且适用于金矿自动化及规模化连续生产。This paper reported a method of gold purification through extraction and fractionation in which tri-butyl-phosphate （TBP） was used as extractant for back-extraction of gold at room temperature. The proposed method can not only greatly improve the purity of gold,but also reduce the cost,and is applicable to automatic and continuous production of gold at large-scale.

关 键 词：金 提纯 磷酸三丁酯 分馏萃取 常温下反萃取 

分 类 号：O614.62[理学—无机化学]