摘要
针对三(三苯基膦)氯化铑合成过程中产生的含铑有机废液的特点,采用火-湿联用工艺成功回收废液中的铑,回收率约达99%。该工艺的主要工序包括:蒸馏回收乙醇和除去水分、焚烧灰化、氯化、净化、氢还原,最终获得纯铑粉。
A process to recover Rh from organic waste solution by pyrometallurgy - hydrometallurgy method was developed. It consists of: ( 1 ) evaporation of ethanol and water from the Rh - containing waste solution yielding a solid mixture; (2) combustion of triphenylphosphine; (3) chlorination of the resulting residue to convert rhodium into the solution; (4) purification by hydrolysis and ion -exchange; and (5) precipitation by reduction with hydrogen, producing pure rhodium powder. The overall recovery rate was up to 99%.
出处
《贵金属》
CAS
CSCD
北大核心
2011年第4期21-23,共3页
Precious Metals
基金
云南省重大科技计划项目资助(2008IA008
2008CF002)
关键词
冶金技术
三(三苯基膦)氯化铑
废料
回收
metallurgy
chlorotri (triphenylphosphine) rhodium
waste
recovery