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《選礦捕收劑對一水硬鋁石型鋁土礦溶出過程的影響》由會員上傳分享，免費在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫。
1、東北大學(xué)碩士學(xué)位論文選礦捕收劑對一水硬鋁石型鋁土礦溶出過程的影響姓名：尤俊華申請學(xué)位級別：碩士專業(yè)：有色金屬冶金指導(dǎo)教師：畢詩文;于海燕20060201東北大學(xué)碩士學(xué)位論文AbstractEffectsofOreDressingCollectoronDiasporeBauxiteDigestionProcessAbstractThebauxiteresourcesofchinaisabundantandmostofltisdiaspore．theratioofaluminumtosiliconislesssev
2、enineightypercentbauxite．Inrecentyears，withtheexploitationmadusingofit，thebauxiteresourcesbecomefurtherpoorly．Thesinteringmethodortheconsociationmethodisthemainproducingmethodinchina，anditsenergy-consumingisthreeorfourtimesofBayermethod’s．Comparingwithotherf
3、oreigncountries．thedifferencesisgreatanditreducesthecompetitionabilityandthecontinuing—developmentabilitygreatly．Intheperiodof“nine—five”、accordingtothecharacteristicsofChinesebauxite，weexploitsuccessfullytheOredressing-Bayermethodwhichisadapttoaluminaproduc
4、ingwiththemiddling—lowratioofaluminumtosiliconbauxite．Thetechniqueinauguratesanewwayforutilizingourabundantandlow—costbauxiteresourcesreasonably,andithasimportantrealist—significationandfar-reachingstratagemsignification．Comparingwiththerawbauxite，theprepara
5、tionconcentratecontainspaucityofhumicacidorganicsubstance，besidesitalsobringinpaucityoffattyacidorganicsubstance--floating—collectorinfloatation．Thehumicacidorganicsubstance’saction，infuenceandchanginglawinBayerprocesshavebeenstudiedlargelyandprofoundlyunder
6、stoodhomeandabroad．Buttherearen’treportsaboutaction，influenceandchanginglawoffattyacidorganicsubstanceinBayerprocess．Whetherthefloating-collectorcumulatesinBayerprocess，andwhetherithaseffectsontheBayerdissolving，redmudsedimentationandsodiumaluminatesolution’
7、sinoculatingseeddecompositionisoneofthefocusproblemwhichhasbeenpaidattentiontobytheexpertsofaluminaindustry,anditisalsooneofthebigobstaclesintheindustrializationoftheOredressing-Bayermethod．Inthispaper,westudythelong-hydricarbonchainfattyacidcollectorfromthr
8、eeaspectsasfollow：Firstly,studythecollector’sinfluenceonstrippingsodiumaluminatesolution’sphysicalcharacteristicssuchasviscosity，density，electricconductivity,interracialtension；Secondly,seeabout
