銅渣氯浸渣處理工藝研究

1、蘭州理工大學碩士學位論文銅渣氯浸渣處理工藝研究姓名：趙毅霞申請學位級別：碩士專業(yè)：材料學指導教師：侯新剛20070428銅渣氯浸渣處理工藝研究AbstractAlongwiththedevelopmentofsocietyandeconomic，thelackofresourcesprickupgradually，andenvironmentalpressincreasesmoreandmore，bothofthemhavebecome

2、prominentproblemsofnationaleconomydevelopingChinaisabigcountryofmineralsconsumption，Howevermanymineralresourcesofnationaleconomyandmainstayarelack，thelevelofcomplexutilizationislOWandthewasteofresourcesissevereEveryyear，

3、thevalueofindustrialsolidwastematerialsthatareabletobeutilizedbutnotto，isgetover250hundredmillionyuan，becauseofrenewableresourcesleaking，economiclosshasreached250～300hundredmillionyuanAccordingtostatement，intheworld，indu

4、strialdevelopmentedcountrys’complexutilizationratioisonanaverageabove80％，forexample，America’Ssulphurutilizationratioofcoloredsmeltingplantis55～90％，Japan’Ssulphurutilizationratioofannealedcopperenterpriseis90～99％：butourco

5、untry’Scomplexutilizationratioofaccompanyingmetalinmajorsmeltingenterprisesareonlyonanaverage50％nowsulphurutilizationratioisonlyonanaverage62％，complexutilizationofmineralresourcesisinprimaryphasesTherefore，relaimingvalua

6、bleconstituentsfromwasteresidue，wastewater，exhaustgasofmetallurgyisanimportanttasktoworkersofmetallurgy，complexutilizationofresourcesistheonlywayofcontinueabledevelopment，releasingresourceproblems，buildingsavingsociety，a

7、ndithasproundsignificancetoimproveeconomicbenefits，socialbenefits，environmentalbenefitsJinchuancompanyisthebiggestbasetoproducenickelinourcountry，copperresidueleachedbychlorinethatisproducedinproductionprocessofeletrolyz

8、ationcontainsnickel，copper，cobalt，noblemetalandagreatdealofsulphurThispaperproundlyexploredandstudiedtheproblemofdisposaltechnicstothisresidueAccordingtothefeaturesofcopperresidue，withextractingsulphurandenrichingmetalsa

9、sbasicthought，theauthorreferedtoliteraturestoanalysereclaimingsulphurtechnicsintheworld，andselectedthreemotesutiablemethods：organicsolventmethod，ammoniumsulfideleachingmethod，hotfilteringmethodtodisposecopperresidueleach

10、edbychlorine，throughorthogonaltesttoconfirmeachtechnicprogramme’besttechnicconditionandchecktheeffectofmaineffectfactorsontheleachingefficiencyofelementalsulphurResearchresultsindicated：thethreekindsoftechnicsmethodsthat