溶剂萃取法从含钒水浸溶液中分离钒和钼

溶剂萃取法从含钒水浸溶液中分离钒和钼 STUDIES ON THE EXTRACTION OF V（Ⅴ） WITH DIMINISHED YIELD OF Mo（Ⅵ） FROM VANADIUM CONTAINING LEACHING LIQUOR 周新花 Zhou Xinhua Zheng Jeixiu Ma Yuiong 1 first-author 郑洁修 1 马玉龙 1 武汉大学化学系 武汉大学化学系 Department of Chemistry,Wuhan University Department of Chemistry,Wuhan University 本文叙述了用溶剂萃取法从含钒水浸溶液中分离钒、铝的萃取和反萃取以及沉钒条件。着重介绍了最有工业应用阶值的萃取剂 N263在萃取分离钒、铝时,萃取相比、pH 值和萃取级数对分离钒、钼的影响,以及采用 NaCl 溶液为主要反萃剂时,反萃剂组成对分离钒、钼的影响。还介绍了不同沉钒条件对分离钒、钼的影响。并进一步讨论了软硬酸碱原理和溶剂化作用在萃取中的应用。 In this article,the operating conditions of the extraction and separation of V（Ⅴ）and Mo（Ⅵ）from the vanadium containing leaching liquor,and the conditions of precipitation separation of V（Ⅴ）are described,d in detail.N263, an extractant most valuable in industrial application,and a back extractant mainly conposed of.NaCL solution are used.Factors which effect the extrac- tion and separation,such as aqueou organic phase ratio,pH value,number of extraction stage and the composition of the back extraetant are studied.The application of hard soft acid base theory and solvation theory to solvent ex- traction are also discussed. 溶剂萃取 萃取剂 钒 钼 分离 solvent extraction extractant vanadium molybdenum separation 1991-04-01 2021-04-01 4