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从合成三(三苯基膦)氯化铑产生的有机废液中回收铑 被引量:9

Recovery of Rhodium from Organic Waste Liquid Produced from the Synthesis of Chlorotri (triphenylphosphine) rhodium
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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
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参考文献6

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