冯卿,张玉慧,李雷,金炳界

• 1:昆明理工大学冶金与能源工程学院
• 2:玉溪师范学院化学生物与环境学院

摘要(Abstract)：

研究了采用硫酸化焙烧—水浸新工艺从高砷铜冶炼烟尘中浸出铜、锌，考察了焙烧条件和浸出因素对铜、锌浸出行为的影响。结果表明：针对50 g高砷铜冶炼烟尘，在焙烧时间3 h、硫酸添加量0.3 mL/g、无烟煤添加量10%、焙烧温度350℃、浸出温度85℃、搅拌速度400 r/min、固液质量体积比1∶4、浸出时间90 min的最佳工艺条件下，铜、锌浸出率分别达94.5%和99.9%。该法可减少浸出过程产生的含砷废液量，并使铜、锌与铅有效分离，提高铜和锌浸出率。

关键词(KeyWords)： 高砷铜烟尘;硫酸化焙烧;浸出;锌;铜

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划项目固废专项子课题(2019YFC1908405);; 云南省兴滇英才支持计划项目(YNWRQNBJ2018087)

作者(Author): 冯卿,张玉慧,李雷,金炳界

DOI: 10.13355/j.cnki.sfyj.2023.04.005

参考文献(References)：

• [1] LI H F,LIU W B,LU A X,et al.PCDD/Fs emissions from secondary copper production synergistically controlled by fabric filters and desulfurization[J].Environmental Pollution,2021,270.DOI:10.1016/j.envpol.2020.116065.
• [2] LEI J,PENG B,LIANG Y J,et al.Effects of anions on calcium arsenate crystalline structure and arsenic stability[J].Hydrometallurgy,2018,177:123-131.
• [3] SHIBAYAMA A,TAKASAKI Y,WILLIAM T,et al.Treatment of smelting residue for arsenic removal and recovery of copper using pyro-hydrometallurgical process[J].Journal of Hazardous Materials,2010,181(1):1016-1023.
• [4] NAZARI A M,RADZINSKI R,GHAHREMAN A.Review of arsenic metallurgy:treatment of arsenical minerals and the immobilization of arsenic[J].Hydrometallurgy,2016,174:258-281.
• [5] GUO X Y,SHI J,YI Y,et al.Separation and recovery of arsenic from arsenic-bearing dust[J].Journal of Environmental Chemical Engineering,2015,3(3):2236-2242.
• [6] GUO X Y,YI Y,SHI J,et al.Leaching behavior of metals from high-arsenic dust by NaOH-Na2S alkaline leaching[J].Transactions of Nonferrous Metals Society of China,2016,26(2):575-580.
• [7] BASHA C A,SELVI S J,RAMASAMY E,et al.Removal of arsenic and sulphate from the copper smelting industrial effluent[J].Chemical Engineering Journal,2008,141(1/2/3):89-98.
• [8] ZHANG W J,CHE J Y,XIA L,et al.Efficient removal and recovery of arsenic from copper smelting flue dust by a roasting method:process optimization,phase transformation and mechanism investigation[J].Journal of Hazardous Materials,2021,412.DOI:10.1016/j.jhazmat.2021.125232.
• [9] 陈荣升，龙伟，杨建广，等.采用硫酸化焙烧—水浸工艺从铜烟灰氧压酸浸渣中浸出铟[J].湿法冶金，2022,41(2):126-132.
• [10] 肖仁伟.铜冶炼烟灰砷开路工艺试验研究[J].湿法冶金，2018,37(4):326-330.
• [11] ZHENG Y J,WANG Y,XIAO F X.Recovery of copper sulfate after treating As-containing wastewater by precipitation method[J].Journal of Central South University,2009,16(2):242-246.
• [12] 梁勇，李亮星，廖春发，等.铜闪速炉烟灰焙烧脱砷研究[J].有色金属(冶炼部分),2011(1):9-11.
• [13] 李学鹏，刘大春，王娟.高砷铜烟尘中有价金属回收的试验研究[J].矿冶，2016,25(6):51-54.
• [14] 李磊，张仁杰，廖彬，等.砷锑烟尘中砷与锑的选择性氧化分离[J].过程工程学报，2014,14(1):71-77.
• [15] 陈辉，陈芳芳.用氧化—酸浸法从铜冶炼烟灰中脱砷试验研究[J].湿法冶金，2022,41(5):461-464.
• [16] JHA M K,KUMAR V,SINGH R J.Review of hydrometallurgical recovery of zinc from industrial wastes[J].Resources,Conservation and Recycling,2001,33(1):1-22.
• [17] MONHEMIUS A J,SWASH P M.Removing and stabilizing As from copper refining circuits by hydrothermal processing[J].JOM,1999,51(9):30-33.
• [18] RIVEROS P A,DUTRIZAC J E,SPENCER P.Arsenic disposal practices in the metallurgical industry[J].Canadian Metallurgical Quarterly,2001,40(4):395-420.
• [19] 雷兴国.氯化物水冶法处理铜转炉电收尘烟灰的试验[J].有色冶炼，1987,16(11):40-43.
• [20] ZHANG Y,FENG X,QIAN L,et al.Separation of arsenic and extraction of zinc and copper from high-arsenic copper smelting dusts by alkali leaching followed by sulfuric acid leaching[J].Journal of Environmental Chemical Engineering,2021,9(5).DOI:10.1016/j.jece.2021.105997.
• [21] 冯晓燕.铜冶炼高砷烟尘碱浸及其浸出液处理研究[D].昆明：昆明理工大学，2019.
• [22] ZHANG Y,FENG X,JIN B.An effective separation process of arsenic,lead,and zinc from high arsenic-containing copper smelting ashes by alkali leaching followed by sulfide precipitation[J].Waste Management & Research,2020,38(11):1214-1221.
• [23] LONG H,ZHENG Y J,PENG Y L,et al.Separation and recovery of arsenic and alkali products during the treatment of antimony smelting residues[J].Minerals Engineering,2020,153.DOI:10.1016/j.mineng.2020.106379.
• [24] MURUGESAN G S,SATHISHKUMAR M,SWAMI-NATHAN K.Arsenic removal from groundwater by pretreated waste tea fungal biomass[J].Bioresource Technology,2006,97(3):483-487.
• [25] ZHANG Y,JIN B,HUANG Y,et al.Two-stage leaching of zinc and copper from arsenic-rich copper smelting hazardous dusts after alkali leaching of arsenic[J].Separation and Purification Technology,2019,220:250-258.
• [26] 张玉慧.铜冶炼烟尘砷资源化与锢铜锌综合回收工艺及理论研究[D].昆明：昆明理工大学，2020.