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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:TostudytheZincOxideoreasrawmaterial,byacidleach
2、ing,purification,synthesis,filtration,washinganddryingtoobtaintheintermediateprocessofbasiczinccarbonate,basiczinccarbonatepreparedbycalciningthefeedgradeofZincOxide.Theeffectsofacidleaching,impurityremoval,calcinationtemperatureandtimeonthequalityoftheproductwereinvestigated.Th
3、eresultsshowthatthe30%H2SO4H2O227.5%oxidationleaching,impurityremoval,zincdustreplacementheavymetalscanobtainrefinedzincsulfatesolution,usingsodiumcarbonateandzincsulfatecanbeobtainedbysynthesizingbasiczinccarbonate,controllingthecalciningtemperatureof900DEGC,calcinationtimeis4H
4、preparedbyZincOxideproductscanreachHG/T2792-1996feedgradeZincOxidelevelproductstandards,productionequipmentandusetheprocesstobuildasetof5000t/a.KeywordsZincOxideore;purification;calcination;feedgradeZincOxide;production;Technology,on,Preparation,of,Feed,Zinc,Oxide,with,Zinc,Oxid
5、e,,Ore,and,Production,PracticeTianWei-jun(Hunan,Chemical,Vocational,and,Technical,College,Hunan,Zhuzhou,412004)Abstract:Anewtechnologyforthepreparationoffeedzincoxidefromzincoxideorewasstudied.Theprocessesofpreparationusingthematerialofzincoxideoremakemediumproducerofbasiczincca
6、rbonateincludedacid-leaching,purifying,synthesis,filtrating,washing,drying.Placeemphasisontheresearchabouttheeffectofpreparationprocessofacidleaching,impurityremovalconditionsandcalcinationtemperatureandtimeonproductquality.Theresultsshowthat:30%H2SO4leaching27.5%oftheH2O2oxidat
7、ionof,impurityremoval,zincreplacementofrefinedzincsulfatesolutionavailableheavymetals,sodiumcarbonateandzincsulfatesynthesizedbasiczinccarbonatetocontrolthecalcinationtemperatureof900C,calcinEd,time,of,4h,prepared,oxide,product,be,achieved,HG/T,oxide,feed,grade,zinc,product,stan
8、dard,the,application,of,the,process,developed,,