PDF全文下载：2011020172
徐秀丽， 李晶莹*
(青岛科技大学 环境与安全工程学院，山东 青岛266042）
摘要：对硫代硫酸盐法添加NaCl而不加Cu2+浸取废旧手机中的金进行了研究，通过实验得出，合适的浸金条件为S2O32-浓度1.0 mol·L-1，氨浓度0.8 mol·L-1，NaCl浓度0.8 mol·L-1，温度30 ℃，浸取时间2 h，pH 9~10之间，添加质量分数为0.2%的SO32-，空气进气速率1.2 L·min-1，最高的浸出率达到了91.79%。与添加Cu2+相比，具有后续处理简单、污染小、环保等优点。
关键词：硫代硫酸盐； 氯化钠； 浸金
中图分类号： X 705 文献标志码： A
Leaching Gold from the Waste Mobile Phones Using Thiosulfate Solution
XU Xiu-li, LI Jing-ying
(College of Environment and Safety Engineering,Qingdao University of Science and Technology,Qingdao 266042,China)
Abstract:Gold leaching from waste mobile phones using thiosulfate solution with addition of some sodium chloride, was studied in this paper. Through the experiment, the results showed that under a condition of 1.0 mol·L-1 of thiosulfate, 0.8 mol·L-1 of aminonia, 0.8 mol·L-1 of sodium chloride, temperature of 30℃, leaching time of 2 h, pH value of 9-10, 2% SO2-3 and air flow rate of 1.2 L·min-1, the gold leaching rate was the highest, 91.79%. Compared with adding Cu2+, it had advantages of simple subsequent treatment, less pollution, and environmental protection.
Key words:thiosulfate; sodium chloride; gold leaching
收稿日期：2010-11-03
作者简介：徐秀丽（1986—)，女，硕士研究生. *通信联系人.
