某铁矿选矿废水综合处理实验研究

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1、AbstractTheprojectwhichbaseonthecompositionofironbeneficiationwastewaterandthecharacteristicoftheanti-fotationwastewaterandacidwastewaterwillstudythefollowingaspects：thesedimentationpropertiesofacidwastewaterandofanti-flotationwastewater,theworkingconditionsanddosageoftheflocculantandthepre

2、parationanddosageofcoagulantaidintheneutralization-coagulationtreatment．Analyzingthephenomenaandthedataoftheexperiment,theexperimentalconditions啪befurtherimproved,inordertoobtainbeuertreatmentresults．Throughthestudyofvariousconditionsinthewastewaterfloeeulationreaction,determinethetypeandam

3、ountofflocculantandfindthebestflocculationprogram．Throughtheexperimentalstudyofthetourmalineadsorptionofheavymetalions，explorethepossibilityofadvancedtreatment．Thewastewaterwhichwillbetreatedinthisstudyinvolvesacidleachingandanti-flotationwastewater．Throughthestudyofthesedimentationproperti

4、esofacidwastewaterandofanti··flotationwastewater,theneutralization--coagulationtreatmentWaschose．Experimentwithmixingratioofl：2．5ofwastewater,andpHvaluesintherangeofcontrolin8．0，cationicfloeculantPAMasafloeeulantandusedwimadiatomaceousearth．Incoagulationexperiments，firstofall，added1．6g／Lcoa

5、gulantaid，andthenadded8mg／LcationicflocculantPAMwhichwillhelptoimprovetheeffectofcoagulationreactionsandimprovethesuspendedsolidsinthesedimentationeffect．Inthisexperiment,mixingconditions，coagulationreactiontimetodetermineforthefirst600r／minrapidmixingstirring4rain,andthento200r／minrotation

6、alspeedofstirring15min．Withtheaboveconditions，themetalioncontentintheacid-basemixedwastewateriSlowerthanthenationalsecondarystandardeffluentaftertheprocessofneutralization-coagulationtreatment．ThepaperconcludesomemajorfactorswhichinfluencethetourmalineadsorptionPb2+，Cd2+，Cu2+'suchastheamoun

7、toftourmaline，pH，reactiontime,initialconcentration，andexplorethefeasibilityofadvancedtreatmentofheavymetal．Afterneutralization-coagulationtreatment,theZetapotentialofsuspendedparticulatematterisnegative，andwiththepHvalueincreased，thechargeofsuspendedpart