碳酸钠碱洗脱除高铅氧化锌烟尘中的氟氯  

Removal of Fluorine and Chlorine from High Lead-bearing Zinc Oxide Dust with Sodium Carbonate Wash

作　　者：孙红燕[1] 孔馨[1] 森维 易中周[1] 刘贵阳[1] 

机构地区：[1]红河学院理学院,云南蒙自661100 [2]云南锡业股份有限公司,云南个旧661000

出　　处：《有色金属（冶炼部分）》2015年第1期15-17,共3页Nonferrous Metals（Extractive Metallurgy)

基　　金：云南省教育厅科学研究基金一般项目(2013Y068);红河学院"化学"云南省硕士点建设学科开放基金重点项目(HXZ1308)

摘　　要：采用碳酸钠碱洗及碳酸钠与氢氧化钠搭配碱洗工艺对氧化锌烟尘进行脱除氟、脱氯的研究,结果表明,在下述最佳工艺条件下氟、氯脱除率分别为31.11%和29.05%:液固比6∶1、碱洗时间50min、碱洗温度60℃、配碱量9%、碳酸钠与氢氧化钠搭配比为1∶1。Fluorine and chlorine were removed from zinc oxide dust by alkaline cleaning with sodium carbonate and mixture of sodium carbonate and sodium hydroxide respectively.The results show that fluorine and chlorine removal rates are 31.11% and 29.05% respectively under the optimum conditions including ratio of liquid to solid of 6∶1,washing time of 50 min,temperature of 60 ℃,and dosage of alkaline mixture of 9% with ratio of sodium carbonate and sodium hydroxide of 1∶1.

关 键 词：氧化锌烟尘 碱洗 脱氟 脱氯 

分 类 号：TF813[冶金工程—有色金属冶金]