鋅鍺分離萃取過程的工藝研究.pdf

1、貴州大學碩士學位論文鋅鍺分離萃取過程的工藝研究姓名：唐海龍申請學位級別：碩士專業(yè)：有色金屬冶金指導教師：梁杰20080601貴州大學碩士論文AbstractHeZhanggermaniumdustandfumeinGuiZhouprovincemainlyContainstheZinc，Lead，Germanium，SilveretcWecarlgetconcentratedsolutionnamelyleachingsolutionb

2、yonestageofsulphuricacidleaching、neutralizingsurplussulphuricacidandeliminatingsiliconThispaperstudiedhowtoseparategermaniumandzincfromtheleachingsolutionbyextractingandre—extractingInextractingexperiment，mainlydiscussed

3、theprimaryfactorsinfluencethegermaniumextractingrate：PHofthehydrofacies，complexingagent／thegermaniumofhydrofacies(qualityratio)，thehydrofacies／theorganicphase(volumeratio)，theextractingagent／theorganicphase(volumeratio)，

4、theBselevelofphaseandextractiontimehowtoinfluencethegermaniumextractingrateonthefoundationofthesesinglefactorsexperiment，Theexperimentmakeclearthatfactors’properorderwhichinfluencegermaniumextractingrateiscomplexingagent

5、／thegermaniumofhydrofacies(qualityratio)，PHofthehydrofacies，theextractingagent／theorganicphase(volumeratio)，thehNrofacies／theorganicphase(volumeratio)，withinthescopeofthechoosedlevelsFromtheorthogonalexperimentresultwege

6、ttheoptimumtechnicalcondition：complexingagent／thegermaniumofhyarofacies(qualityratio)is20，PHofthehydrofaciesis20，theextractingagent／theorganicphase(volumeratio)is30，thehydrofacies／theorganicphase(volumeratio)is4Inre—extr

7、actingexperiment，theoptimumtechnicalcondition：theconsistencyofNaOHis30％，theorganicphase／thehydrofacies(volumeratio)is2，thereactiontimeis5min，roomtemperatureKeyword：Germaniumoxidedust；extraction；extractingagent；re—extract