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1、氧化锌矿制备饲料级氧化锌工艺研究与生产应用（PreparationandapplicationoffeedgradeZincOxidefromZincOxidemine）PreparationandapplicationoffeedgradeZincOxidefromZincOxidemineWeiJunTian(Hunanchemicalindustry,CareerTechnicalCollege,Hunan,Zhuzhou412004)Abstract:TostudytheZincOxideo
2、reasrawmaterial,byacidleaching,purification,synthesis,filtration,washinganddryingtoobtaintheintermediateprocessofbasiczinccarbonate,basiczinccarbonatepreparedbycalciningthefeedgradeofZincOxide.Theeffectsofacidleaching,impurityremoval,calcinationtempera
3、tureandtimeonthequalityoftheproductwereinvestigated.Theresultsshowthatthe30%H2SO4H2O227.5%oxidationleaching,impurityremoval,zincdustreplacementheavymetalscanobtainrefinedzincsulfatesolution,usingsodiumcarbonateandzincsulfatecanbeobtainedbysynthesizingb
4、asiczinccarbonate,controllingthecalciningtemperatureof900DEGC,calcinationtimeis4HpreparedbyZincOxideproductscanreachHG/T2792-1996feedgradeZincOxidelevelproductstandards,productionequipmentandusetheprocesstobuildasetof5000t/a.KeywordsZincOxideore;purifi
5、cation;calcination;feedgradeZincOxide;production;Technology,on,Preparation,of,Feed,Zinc,Oxide,with,Zinc,Oxide,,Ore,and,Production,PracticeTianWei-jun(Hunan,Chemical,Vocational,and,Technical,College,Hunan,Zhuzhou,412004)Abstract:Anewtechnologyfortheprep
6、arationoffeedzincoxidefromzincoxideorewasstudied.Theprocessesofpreparationusingthematerialofzincoxideoremakemediumproducerofbasiczinccarbonateincludedacid-leaching,purifying,synthesis,filtrating,washing,drying.Placeemphasisontheresearchabouttheeffectof
7、preparationprocessofacidleaching,impurityremovalconditionsandcalcinationtemperatureandtimeonproductquality.Theresultsshowthat:30%H2SO4leaching27.5%oftheH2O2oxidationof,impurityremoval,zincreplacementofrefinedzincsulfatesolutionavailableheavymetals,sodi
8、umcarbonateandzincsulfatesynthesizedbasiczinccarbonatetocontrolthecalcinationtemperatureof900C,calcinEd,time,of,4h,prepared,oxide,product,be,achieved,HG/T,oxide,feed,grade,zinc,product,standard,the,application,of,the,process,developed,,
