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1、MetallurgicalEngineering冶金工程,2018,5(2),55-61PublishedOnlineJune2018inHans.http://www.hanspub.org/journal/menghttps://doi.org/10.12677/meng.2018.52008ResearchProgressofArsenicHighTemperatureSolidificationTechnologyinNon-FerrousMetalsSmeltingProcessesJingjingHu,HuibinZhang,HuazhenCao,GuoquZheng*C
2、ollegeofMaterialsScienceandEngineering,ZhejiangUniversityofTechnology,HangzhouZhejiangndththReceived:May2,2018;accepted:May17,2018;published:Jun.6,2018AbstractThearsenic-containingsolidwastesfromnon-ferrousmetalsmetallurgicalprocessesarewidelyconcernedduetoitsgreathazardstoenvironment.High-temp
3、eraturevitrificationisanadvancedsolidification/stabilizationtechnologyforarsenic.Threearsenicvitrificationmethodsandme-chanismsincludingsilicates,borates,andphosphatesweresummarized.However,ithasnoeco-nomicaladvantagetodisposevastarsenic-containingsolidwastesfromnon-ferrousmetalsprocessesbythea
4、rsenicvitrification,i.e.secondaryhigh-temperaturevitrification.Sothispaperproposesanewroutetosolidifythearsenicdirectlyinsmeltingslag,whichisbelievedanimpor-tantdirectiontorealizetheharmlessnessofarsenic-containingsolidwastes.Takingthecoppersmeltingprocessasanexample,theinfluencesofsmeltingpara
5、metersonthearsenicimmobiliza-tionbehaviorswerediscussed,andtheproblemstobesolvedforthedirectsolidificationofar-senicinthesmeltingprocesswereproposed.KeywordsArsenic-ContainingSolidWastes,HighTemperatureSolidification,Vitrification,Solidification/Stabilization,MetallurgicalProcesses有色冶炼过程砷高温熔融固化
6、技术研究进展*胡菁菁,张惠斌,曹华珍,郑国渠浙江工业大学材料科学与工程学院,浙江杭州收稿日期:2018年5月2日;录用日期:2018年5月17日;发布日期:2018年6月6日*通讯作者。文章引用:胡菁菁,张惠斌,曹华珍,郑国渠.有色冶炼过程砷高温熔融固化技术研究进展[J].冶金工程,2018,5(2):55-61.DOI:10.12677/meng.2018.52008胡菁菁等摘要有色金属冶金过程产生的含砷固废因其较大的环境危害性而被广泛关注,高温熔融固砷是较为先进的砷固化/稳定化技术。本文综述了硅酸盐、硼酸盐、磷酸盐三种主要玻璃高温熔融固砷行为及相关机理;然而,玻璃化固砷属于二次高
7、温熔融固砷技术,用于数量庞大的有色金属冶炼含砷固废的无害化处理不具经济性优势。本文提出熔融冶炼炉渣直接固砷的思路,认为在有色金属冶炼过程进行同步固砷是实现含砷固废无害化的重要方向。以铜冶炼过程为例,探讨了冶炼工艺参数对炉渣固砷行为的影响,提出了冶炼过程直接固砷亟需解决的问题。关键词含砷固废,高温固化,玻璃化,固化/稳定化,冶炼过程Copyright©2018byauthorsandHansPublishersInc.Thisworkislicensedun