1. 北京市过程污染控制工程技术研究中心，中国科学院过程工程研究所湿法冶金清洁生产技术国家工程实验室，北京 1001902. 中国科学院大学化学工程学院，北京 100049
收稿日期:2019-03-18修回日期:2019-04-07出版日期:2019-12-22发布日期:2019-12-22通讯作者:宁朋歌基金资助:****基金;青促会基金Tracking transformation pathway of tungsten recovery process by electrospray ionization time-of-flight mass spectrometry
Shujie LIN1,2, Jiawei WEN1, Hongbin CAO1, Pengge NING1*, Yi ZHANG11. Beijing Engineering Research Center of Process Pollution Control, National Engineering Laboratory for Hydrometallurgical Cleaner Production & Technology, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China2. School of Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
Received:2019-03-18Revised:2019-04-07Online:2019-12-22Published:2019-12-22摘要/Abstract
摘要： 将环隙式离心萃取器(ACCs)与电喷雾飞行时间质谱(ESI-TOF-MS)相结合，在线监测了回收过程中的钨萃取行为(宏观)和钨形态的转化路径(微观)，发现宏观萃取反应和微观离子形态转化同时发生并相互补充。伯胺N1923萃取钨在144 s内即可达到萃取平衡，萃取率高达98%以上，同时，酸钨比n(H)/n(W)是一个关键变量，当酸钨比n(H)/n(W)=2.4时，全流程钨回收率超过93%。最后，得到了基于钨形态监测的萃取机理，同时，减少原料液中W1含量，增加W10含量，可有效提高钨回收效率。
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蔺淑洁 温嘉玮 曹宏斌 宁朋歌 张懿. 电喷雾质谱法示踪钨回收过程离子的转化路径[J]. 过程工程学报, 2019, 19(6): 1135-1142.
Shujie LIN Jiawei WEN Hongbin CAO Pengge NING Yi ZHANG. Tracking transformation pathway of tungsten recovery process by electrospray ionization time-of-flight mass spectrometry[J]. Chin. J. Process Eng., 2019, 19(6): 1135-1142.
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