Solvent extraction of zinc from zinc sulfate solution  

作　　者：龙怀中 柴立元 覃文庆 唐双华 

机构地区：[1]School of Metallurgical Science and Engineering,Central South University [2]School of Resources Processing and Bioengineering,Central South University

出　　处：《Journal of Central South University》2010年第4期760-764,共5页中南大学学报（英文版）

基　　金：Project(50774094) supported by the National Natural Science Foundation of China

摘　　要：The extraction of zinc from zinc sulfate solution was investigated, using 20% saponified D2EHPA as an extractam and 260^# sulfonate kerosene as a diluent. The solution was stirred for 8 min at phase ratio （Vσ/Va） of 1.0：1.0, initial pH of 2.0 and stirring speed of 200 r/min. The results show that 75% zinc can be extracted from the zinc sulfate solution when the concentration of zinc is 18.7 g/L after being settled for 10 min. 88.60% zinc can be stripped by 196 g/L sulfuric acid, and zinc ion can be separated from ferric ion.The extraction of zinc from zinc sulfate solution was investigated,using 20% saponified D2EHPA as an extractant and 260# sulfonate kerosene as a diluent.The solution was stirred for 8 min at phase ratio(Vo/Va) of 1.0-1.0,initial pH of 2.0 and stirring speed of 200 r/min.The results show that 75% zinc can be extracted from the zinc sulfate solution when the concentration of zinc is 18.7 g/L after being settled for 10 min.88.60% zinc can be stripped by 196 g/L sulfuric acid,and zinc ion can be separated from ferric ion.

关 键 词：zinc sulfate solution saponified bi（2-ethylhexyl） phosphoric acid （D2EHPA） ZINC solvent extraction 

分 类 号：O614.241[理学—无机化学]