鉛銻鐵鋅硫化礦浮選電化學(xué)基礎(chǔ)理論研究.pdf

1、分類號VDC博士學(xué)位論文Y835421J密級鉛銻鐵鋅硫化礦浮選電化學(xué)基礎(chǔ)理論研究StudyontheBasicTheoryofFlotationElectrochemistryofPbSbFe。ZnSulfideMinerals作者姓名：余潤蘭學(xué)科專業(yè)：礦物加工工程二級學(xué)院：資源加工與生物工程學(xué)院指導(dǎo)教師：邱冠周教授胡岳華教授論文答辯日期——中南大學(xué)二oo四年十一月ABSTRACTwi也themineralresourcesincrea

2、singlydeficient，small，complicated，theirflotationbecomesmoreandmoredimcult，buttherequirementforthemineralrawmaterialsofhighqualityandnonferrousmetalsisi5singcontinuouslywiththedevelopmentofnationaleconomicHowtoalleviateth

3、econtradictionbycarryingoutthecomprehensiveutilizationofmineralresourcestokeepnationaleconomicsustainabledevelopmenthasbeenoneofgreatimmediatesignificanceinpresentflotationscientificandtechnologicalfieldsNewtechnologyofp

4、otentialcontrolledflotation，whichisofbetterselectivityandoflowerreagentconsumptionisveryimportantfieldofmineralprocessingtodevelopinnewcenturyJamesonite，marmatite，pyrrhotiteandpyritearethecomplicatedandmutiple—metalsulfi

5、deresourcestoprocessdifficultlyinDachangMineResearchonthebasictheoryofflotationelectrochemistryandonpotential—controlledflotationtechnologyofthesulfideresourcescanbehelpfultodevelopsomenewflotationtheoryandtechnologyofth

6、ecomplicatedandmutiplemetalsulfides，andtoutilizatecomprehensivelythemineralresources，andtolowertheirproductioncost，andtoimprovetheeconomicalbenefitsItisofimportanttheoreticalandpracticalsignificanceSotheproject(50234010)

7、waskeysponsoredbyChinaNaturalScienceFoundationAsapartofthiskeyprogramfromChinaNaturalScienceFoundation，thisresearchfocusesontheelectrochemicalreactionsandoxidizationproductsonthesurfacesofjamesoniteandmarrnatite，andonthe

8、changeoftheirinterfacialstructuresandtheirelectrochemicalmechanismsbyvariousmethodsofthermodynamic，electrochemistry(such鷦1旒l，constantpotentialstep，cyclevoltammetryACimpedance)andIR，UVspectrawhenthecollectors，adjustingrea

9、gentsactwiththesulfidemineralsintheflotationsystemsothattheelectrochemicalconditionstofloatselectivelythemineralsCallbedecidednlepracticalbehaviorsofpotential—controlledflotationofthecomplicatedandmultiplemetalsulfidemin

10、eralsaresuitablyexplainedbythebasictheoryofflotationelectrochemistryfromthisstudywhichisalsohell：Ifulforfurtherimprovinganddevelopingnewtechnologiesofthepotential—controlledflotationofthePbSbFeZncomplicatedandmultiplemet

11、alsulfideminerals111eelectrochemistryandthemechanismofjamesonitemarmatitewimcollectorshavenotbeenreportedandthestudyblazesnewtrailsKEYWORDS：flotationelectrochemistryjamesonite，marmatite，potential。controlledflotationofsul