澳斯麦特熔炼烟尘在碱性溶液中的溶解行为  

Dissolution of Ausmelt Smelting Flue Dust in Alkaline Solution

作　　者：王绍宇[1] 秦庆伟[1] 吴星琳[1] 刘臻伟[1] 刘文科[1] 廖广东 

机构地区：[1]武汉科技大学钢铁冶金及资源利用教育部重点实验室,武汉430081 [2]湖北大江环保科技股份有限公司,湖北黄石435005

出　　处：《有色金属（冶炼部分）》2017年第9期8-11,共4页Nonferrous Metals（Extractive Metallurgy)

基　　金：2014年湖北省重点产业创新团队项目(鄂组通[2014]36号);钢铁冶金及资源利用教育部重点实验室开放基金(FMRU201206);湖北省新世纪高层次人才工程专项经费资助项目(鄂人社函[2011]763号)

摘　　要：采用NaOH-Na_2S-H_2O溶液对澳斯麦特炼烟尘进行了溶解探索。考察NaOH浓度、Na_2S用量、反应温度、反应时间和液固比对砷、锑、铅和锌浸出的影响。结果表明,在氢氧化钠浓度2mol/L、硫化钠与澳炉烟尘的用量比2g/10g、反应温度90℃、反应时间1.5h、液固比6:1、搅拌速度300r/min的条件下,砷、锑、铅和锌的浸出率分别为91.88%、21.04%、0.57%和12.95%,实现了砷的选择性浸出。Di sulfide was and L/S on ssolution of Ausmelt smelting flue dust in mixture solution of sodium hydroxide and sodium 91.88%, 2 concentratio of 90℃, re is realized. studied. Effects of NaOH concentration, Na2S dosage, reaction temperature, reaction time, leaching of As, Sb, Pb, Zn were investigated. Leaching rates of As, Sb, Pb and Zn are 1. 04%, 0. 57%, and 12. 95% respectively under the optimum conditions including n of sodium hydroxide of 2 mol/L, mass ratio of Na2S/dust of 2 g/10 g, reaction temperature action time of 1.5 h, L/S=6/1, and stirring speed of 300 r/min. Selective leaching of arsenic

关 键 词：澳斯麦特熔炼 烟尘 溶解 碱性溶液 

分 类 号：TF803[冶金工程—有色金属冶金]