| 丙烯低压羰基合成用废铑催化剂中回收铑及三氯化铑提纯 |
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| 引用本文： | 李继霞,于海斌,李晨,李俊,姜雪丹,蒋凌云.丙烯低压羰基合成用废铑催化剂中回收铑及三氯化铑提纯[J].贵金属,2011,32(2). |
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| 作者姓名： | 李继霞 于海斌 李晨 李俊 姜雪丹 蒋凌云 |
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| 作者单位： | 中海油天津化工研究设计院,天津,300131 |
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| 基金项目： | 天津市科技支撑计划基金项目(09ZCKFGX02600); 海油发展科技基金项目(JDKJ-XMHT-YJ0803) |
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| 摘 要： | 采用分子蒸馏装置对丙烯低压羰基合成用废铑催化剂溶液进行浓缩,分离出其中丁醛及其聚合物等溶剂及三苯基膦,得到高浓度铑渣,铑含量为7%～10%。所得铑渣用混酸处理,使有机物碳化得到铑酸;铑酸经中和,盐酸酸化,离子交换,蒸发结晶,干燥,直接制备高纯度水合三氯化铑。铑损失1.58%～2.08%,水合三氯化铑的铑含量38%～39%,杂质总含量小于0.1%。
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| 关 键 词： | 冶金技术 羰基合成 废铑催化剂 铑 回收 三氯化铑 提纯 |
Rhodium Recovery from Waste Rhodium Catalyst Solution of Propylene oXo Reaction and Rhodium Chloride Purification |
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| LI Jixia,YU Haibin,LI Chen,LI Jun,JIANG Xuedan,JIANG Lingyun.Rhodium Recovery from Waste Rhodium Catalyst Solution of Propylene oXo Reaction and Rhodium Chloride Purification[J].Precious Metals,2011,32(2). |
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| Authors: | LI Jixia YU Haibin LI Chen LI Jun JIANG Xuedan JIANG Lingyun |
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| Affiliation: | LI Jixia,YU Haibin,LI Chen,LI Jun,JIANG Xuedan,JIANG Lingyun(CNOOC Tianjin Chemical Research & Design Institute,Tianjin 300131,China) |
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| Abstract: | Concentrating the waste rhodium catalyst solution from propylene oXo reaction by the molecular distillation facility,separating TPP,butyraldehyde and its polymer etc.obtaining the rhodium residue and the concentration of rhodium was 7%~10%.Treating rhodium residue by mixing acids,obtaining rhodium acid after organic matter carbomorphism;preparating rhodium chloride directly after neutralization,acidization,ion exchange,evaporation,crystallization and dry.The lose of rhodium was 1.58%~2.08%,the concentration... |
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| Keywords: | metallurgy oXo reaction waste catalyst of rhodium rhodium recovery rhodium chloride purification |
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