软锰矿制备硫酸锰的工艺原理和技术（process principle and technology for preparing manganese sulfate from pyrolusite）

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1、软锰矿制备硫酸锰的工艺原理和技术（Processprincipleandtechnologyforpreparingmanganesesulfatefrompyrolusite）ThisarticlebysmallwoodgoodcontributionPdfdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.JournalofMingvocationalcollege,threevocation

2、alcollegeTheoutstretchedversionyearperiodProcessprincipleandtechnologyforpreparingmanganesesulfatefrompyrolusiteZhangQiweiDepartmentofchemicalengineering,SanmingVocationalUniversityInthispaper,areductionroasting,asulfuricacidleachingoftwoores,aone-stepleachingofmanganeseorefromapyrolusiteore,and

3、apyriteroastingareintroduced,Coalisalsoproducedbywetleaching,ferroussulfatereduction,leachingofsulfurdioxidefromleachinggas,andreductionleachingofBagasseTheprincipleandtechnologyofmanganesehaveextendedthedirectionoftheproductionofchemicalmanganeseoreresources.PyrolusiteManganesesulphateprinciple

4、technologySummaryPyrolusite.Istheproductionofmanganesesulfate,includingtwovalencemanganesesaltofthemainrawmaterials,abouttheworld,,ManganesesulfateisprocessedbyPyrolusite.Manganesesulfateisthemostimportanttwovalencemanganesesalt..Manganesesaltproductsareprocessedbyit,Therefore,inrecentyears,from

5、pyrolusiteproduction,Thestudyofsaltprocessisveryactive,andtheprocessprincipleandtechnologyofmanganeseareveryactiveProcessprincipleandtechnologyBasedontheauthor'sownpracticeandtherelatedliterature,theproductionofsulphuricacidfrompyrolusiteathomeandabroadisdescribedindetailInpyrolusitemanganesetet

6、ravalentitinsolubleinacidandalkalireductionmethodsmustpass,,ReverttoItissolubleinsulfurTheprocessandtechnologyfortheproductionofmanganesesulfatefromacidsolutionsare,Roastingasulfuricacidleachingprocess,theprocesshasbeenmorethanhalfacenturyofhistory,isamaturetraditionalprocess,.Coalwasusedasreduc

7、ingagentandunderreductiveatmosphere,Thechemicalreactionoccurringinroasting,AdmissionTheprocessistosiftthecoalandpyrolusiteandmixthematacertainproportion,OneCalcinationatCtemperature.BakedbyroastingSandaftercooling,Theratioof