%0 Journal Article
%T EffectofTetrachloroethyleneonSphaleriteLeaching
%A 王兴尧
%A 彭鹏
%A 谢慧琴
%A 卢立柱
%J 过程工程学报
%D 2004
%X Theeffectsoftetrachloroethylene(C2Cl4)onsphaleriteleachinginFeCl3-HClwereinvestigatedinviewofsimultaneousmasstransferandreaction,andtheleachingmodelswithandwithoutorganicsolventC2Cl4werederived.TheleachingexperimentsandtheSEMresultsshowthatC2Cl4isaneffectiveorganicsolventforsphaleriteleachinginFeCl3-HClsystemtobeacceleratedandforthesulfurtobeseparated.AddingC2Cl4intheFeCl3-HClmediumwillturnthekineticmodelcontrolledbysulfurlayerdiffusionwithprocessactivationenergyof67.9kJ/molintomixeddiffusionwiththeenergyreducedto55.1kJ/molwhen20mlofC2Cl4wasadded.
%K sphaleriteleaching
%K sulfurlayer
%K tetrachloroethylene
%K kineticmodel
%U http://www.jproeng.com/qikan/Cpaper/zhaiyao.asp?bsid=667