高硫鋁土礦的溶出行為和反浮選脫硫的研究.pdf

1、中南大學碩士學位論文高硫鋁土礦的溶出行為和反浮選脫硫的研究姓名：謝巧玲申請學位級別：碩士專業(yè)：有色金屬冶金指導教師：陳文汨20090527中南大學碩十畢業(yè)論文ABSTRACTABSTRACTThereareabundantresourcesofsulfurcontainingbauxiteinourcountryTheresourceofsulfurcontainingbauxiteis015billiontonaccountingfo

2、r11O％oftotalbauxiteresourcesinChinaWithrapidincreaseofaluminaproductionhighqualitybauxitebecomesmoreandmorescarceButthereiSstillsomesulfurcontainingbauxiteunusedItwillreducetheburdenofbauxiteresourceifweareabletoutilizet

3、hiskindofbauxitee伍ciently111ispaperstudiedthedigestionofsulfurcontainingbauxiteandtheeffectofsulfurontheBayerprocessFlotationmethodwasusedtemovesulfurfrombauxiteSOthatbauxiteconcentratewithlOWsulfurcontentwasobtainedwhic

4、hcanbetreatedbyBayerprocessGuangxibauxitecontaining10WamountofsulfurwasmixedwithGuangxibauxitewithhighsulfurcontentandwasthendigestedBymeansofXraydiffractionanalysis，atomadsorptionanalysisandchemicalanalysis，effectofsulf

5、uronaluminadigestionemciency、concentrationofironandconcentrationofSz‘inaluminatesolutionwereresearchedTheresultshowed：Sulfurcontenthadnoeffectonaluminadigestionyield；highamountofsulfurwouldleadtomoresulfurenteringsolutio

6、nWiththeincreaseofsulfurinbauxiteironandS厶concentrationinaluminatesolutionrisesignificantlyFlotationresearchhadbeencarriedoutonHenanbauxitebasedonreviewingrelevantliteratureofreverseflotationofbauxiteReversefloatationwas

7、conductedinwhichbutlyxanthateandamylxanthatewasusedascollectorNa2C03aspHregulator(NaP03)6asdispersant，Na2SandCuS04asactivatorThefinalresultshowedtherecoveryofflotationconcentratewas9746％withsulfurcontentofO27％Therecovery