水合肼还原纯三氯化铑制备铑粉的工艺研究  

Study of Preparation Technology on Rhodium Powder by Reduction of Rhodium(Ⅲ)Chloride with Hydrazine Hydrate

作　　者：相亚波 丁国栋 郁丰善 XIANG Yabo;DIN Guodong;YU Fengshan(Jiangxi Han's Precious Metals Co.,Ltd.,Shangrao 335500,China)

机构地区：[1]江西汉氏贵金属有限公司,江西上饶335500

出　　处：《中国资源综合利用》2021年第2期1-2,13,共3页China Resources Comprehensive Utilization

基　　金：江西省首届双千计划培养类高端科技创新人才项目(jxsq2019201113)。

摘　　要：本研究采用水合肼还原纯三氯化铑溶液得到铑黑,然后通过通氢还原的方式得到纯度99.95%以上的海绵铑粉。研究结果表明,铑的还原率接近100%,整个工艺流程短,还原速度快,可操作性强。目前,该工艺在试验基础上已经进行了工业化生产。Rhodium black was obtained by reduction of rhodium(Ⅲ)chloride solution with hydrazine hydrate,and then sponge rhodium powder with purity above 99.95%was obtained by hydrogen reduction in this study.The research results show that the reduction rate of rhodium is close to 100%,the whole process is short,the reduction speed is fast,and the operability is strong.At present,the process has been industrialized on the basis of experiments.

关 键 词：水合肼 还原 三氯化铑 铑粉 

分 类 号：X705[环境科学与工程—环境工程]