酸性氯化铜蚀刻废液制备硫酸铜工艺研究  

Preparation of Copper Sulfate from Acid Copper Chloride Etching Waste Solution

作　　者：邹兰梅 吕照辉 李丽敏 刘后传 于少明 Zou Lanmei;Lyu Zhaohui;Li Limin;Liu Houchuan;Yu Shaoming(School of Chemistry and Chemical Engineering,Hefei University of Technology,Hefei 230009,China;Taixing Smelting Plant Co.,Ltd.,Taixing 225400,China)

机构地区：[1]合肥工业大学化学与化工学院,安徽合肥230009 [2]泰兴冶炼厂有限公司,江苏泰兴225400

出　　处：《山东化工》2021年第19期7-9,共3页Shandong Chemical Industry

基　　金：合肥工业大学科研项目(W2020JSKF0085)。

摘　　要：研究了利用酸性氯化铜蚀刻废液制备氧化铜中间体,再由氧化铜制备硫酸铜的工艺。探究了pH值和反应温度对氧化铜纯度及氯含量的影响,结晶时间和硫酸浓度对硫酸铜纯度及回收率的影响。在最佳工艺条件下制备出的硫酸铜产品纯度为99.04%、氯含量约40×10^(-6),符合《工业硫酸铜》行业标准(HG/T 5215-2017)中优等品要求。The process of preparing copper oxide intermediate from acidic copper chloride etching waste solution and then preparing copper sulfate from copper oxide was investigated.The effects of pH and reaction temperature on the purity and chlorine content of copper oxide and the effects of crystallization time and sulfuric acid concentration on the purity and recovery of copper sulfate were investigated.The purity of the copper sulfate product prepared under the optimal process conditions was 99.04%and the chlorine content was about 40×10^(-6),which met the requirements of the superior product in the industry standard of“Industrial Copper Sulfate”(HG/T 5215-2017).

关 键 词：酸性氯化铜蚀刻废液 氧化铜 硫酸铜 

分 类 号：TQ131.2[化学工程—无机化工]