铬盐企业清洁生产途径与清洁生产审核分析

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1、武汉工程大学硕士学位论文40％thanthatinlime-basedroastingprocess，andthetoxicityhasbeenreducedaswell．Therefore，thewayofimplementingcleanerproductioninChinesechromesaltindustryisusinglime—freemastingprocesstoreplacelime-basedmastingprocess，meanwhile,usingless-limemastingprocessasatransitionalprocesstominimizethehar

2、mtotheenvironment．(2)Theroastingworkshopwhichhasthehighestpollutionloadisthekeyinspectionsubject．Sevenfeasibleproposalswereselectedoutofeightmiddleghighcostproposalsproducedintheevaluation．Byimplementingtheseproposalslike‘lime-fleemastingprocess’，thedischargedquantityofchromiumresidue，themainpolluta

3、nt,Wascutby40％，andthenon-organizationdischargedquantityofchromeprecipitationwasreducedbyapproximately10％，andtheconsumptionoftherawmaterialandenergywerethusreducedbysomeextent．(3)ThekeyofimplementingcleanerproductioninChinesechromesaltindustryisusingaltemativecleanerproductionprocesstoreplacelime-bas

4、edroastingprocessaswellasfindingeffectivewaytohandethechromiumresidueharmlessly．ThechromesaltfactoriesshouldapplyenvironmentalriskpreventionmethodslikebuildingwastewaterpoolforemergencyandfollowingtheconstructioncodetobuildchromiumresidueplanttoreducethepotentialofCr6+pollutionaccident；usingsustaina

5、blecleanerproductiontomaketheindustrydevelopsustainably．Innovationofthisarticle：(1)Testedtheleachingpropertyofthechromiumresidueoflime—freeroastingprocess(atransitionalprocessforimplementingcleanerproduction)forthefirsttime．(2)Leadingauditingofthecleanerproductionofchromesaltindustry．Thereisnopublic

6、reportofcleanerproductionauditingforchromesaltindustrySOfar,thecleanerproductionauditingforsodiulndichromateofHuangshiZhenhuaChemicalCoLtd．isthefirstcleanerproductionauditingfortheindustry,whichestablishedaivABSTRACrexamplefortheauditingofchomesaltindustrycleanerproduction,andprovidede)【pf抽erlcesand

7、keytechnicalproposalsforthecleanerproduction．Discussionsofkeyissuesandtargetsofcleanerproductionofchomesaltindustrywerealsocarriedout,whichisbeneficialforth．esustainabledevelopmentofchromesaltindustry