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ID:31953065
大小:4.27 MB
页数:92页
时间:2019-01-29
《铬盐企业清洁生产途径与清洁生产审核分析》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
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
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