冶炼烟气制酸酸性废水的处理_迟栈洋

冶炼烟气制酸酸性废水的处理_迟栈洋第6期2018年6月硫酸工业SulphuricAcidIndustryNo.6Jun．2018冶炼烟气制酸酸性废水的处理迟栈洋，迟建，杨文阁，朱伯麟，刘峰(金川集团股份有限公司镍冶炼厂，甘肃金昌737104)摘要:详细介绍了铜冶炼烟气制酸酸性废水硫化、石灰－铁盐法处理系统的反应原理、工艺流程及设备选型。技改利用现有闲置设备，总投资493.41万元，较国内相同规模酸性废水处理系统投资低。系统运行稳定，解决了铜系统酸性废水达标排放问题。关键词:冶炼烟气硫酸生产酸性废水硫化法石灰－铁盐法改造达标中图分类号:TQ111.16;X781文献标志码:B文章编号:1002－1507(2018)06－0018－03TreatmentoftheacidicwastewaterfromsmeltingfluegasCHIZhanyang，CHIJian，YANGWenge，ZHUBolin，LIUFeng(NickelSmelter，JinchuanGroupCo．，Ltd．，Jinchang，Gansu，737104，China)Abstract:Thereactionprincipleofthesulphurizationandlime-ferratemethodtotreattheacidicwastewaterfromthecoppersmel-tingfluegas，theprocess，andequipmentselectionweredescribedindetail．Thetechnologyretrofittookadvantageofthepresentidlingequipmentwithatotalinvestmentof4.9341millionyuan，whichwaslowerthantheinvestmentoftheacidicwastewatertreatmentsys-tematthesamescaledomestically．Thesystemoperationisstableandtheproblemsaresolved．Theeffluentmeetsthedischargestandardaftertheacidicwastewaterfromthecopper-basedsulphuricacidprod