黄金科学技术 ›› 2019, Vol. 27 ›› Issue (5): 784-790.doi: 10.11872/j.issn.1005-2518.2019.05.784
• 冶炼技术与装备研发 • 上一篇
Changjin LIANG1(),Chuanjing MA2
摘要:
为降低碘化法浸金的成本,提高浸出率,使用氨作为辅助络合剂,通过正交试验考察固液比、I2/I-摩尔比、KI浓度和氨水用量等影响浸出率的几个因素。研究结果表明:固液比对金的浸出效果影响最大,其后依次是氨水用量、KI浓度和I2/I-摩尔比。通过单因素试验获取各影响因素的最佳条件,结果表明:固液比的增加可提高金浸出率,当pH值在8~9之间,I2/KI摩尔比为1∶8,KI质量浓度为0.25 g/mL,氨水体积浓度为1%,浸出时间为4 h时,混合体系对金的浸出效果最好,浸出率最高可达96%。氨水的添加对金的浸出有明显的促进作用,可提高金浸出率,降低碘化法浸金成本。
中图分类号:
1 | 徐渠,陈东辉,陈亮,等 .碘化法从废旧印刷线路板中浸取金[J].有色金属,2010,62(3):88-90. |
Xu Qu , Chen Donghui , Chen Liang ,et al .Gold leaching from waste printed circuit board by iodine process[J].Nonferrous Metals,2010,62(3):88-90. | |
2 | Angelidis T N , Kydros K A , Matis K A .A fundamental rotating disk study of gold dissolution in iodine-iodide solutions [J].Hydrometallurgy,1993,34(1):49-64. |
3 | 钟俊 .非氰浸金技术的研究及应用现状[J].黄金科学技术,2011,19(6):57-61. |
Zhong Jun .Research and application status of non-cyanide gold leaching technology[J].Gold Science and Technology,2011,19 (6):57-61. | |
4 | 鲁顺利 .非氰化法提金工艺研究现状[J].云南冶金,2011,40(3):32-36,41. |
Lu Shunli .The research status of gold extraction by non-cyanide method[J].Yunnan Metallurgy,2011,40(3):32-36,41. | |
5 | 玉涵,胡显智 .氰化及非氰化提金方法综述[J].云南冶金,2010,39(3):9-12. |
Yu Han , Hu Xianzhi .Review of gold-leaching technologies by cyanidation and non-cyanidation[J].Yunnan Metallurgy,2010,39(3):9-12. | |
6 | Baghalha M .The leaching kinetics of an oxide gold ore with iodide/iodine solutions[J].Hydrometallurgy,2012,113/114:42-50. |
7 | Roberts P A , Zhang H G , Prommer H ,et al .Ore characterization,hydrometallurgical and reactive transport studies for in-place leaching of oxidized gold deposits[J].Mineral Metallurgical Processing,2010,27:72-80. |
8 | Zeng X L , Li J H , Stevels A L N ,et al .Perspective of electronic waste management in China based on a legislation comparison between China and the EU[J].Journal of Cleaner Production,2013,51:80-87. |
9 | 孙钰,于淼,蒲敏,等 .浅析我国电子垃圾回收处理体系[J].天津经济,2012(6):33-36. |
Sun Yu , Yu Miao , Pu Min ,et al .Brief analysis on the e-waste recycling and treatment system in China[J].Tianjin Economics,2012(6):33-36. | |
10 | 李桂春,卢寿慈 .碘法浸金的研究[J].矿冶工程,2003,23(6):53-55. |
Li Guichun , Lu Shouci .Research on iodine leaching of gold[J].Mining and Metallurgical Engineering,2003,23(6):53-55. | |
11 | Wang Z K , Li Y F , Ye C L .The effect of tri-sodium citrate on the cementation of gold from ferric/thiourea solutions[J].Hydrometallurgy,2011,110(1/2/3/4):128-132. |
12 | Davis A , Tran T .Gold dissolution in iodide electrolytes[J].Hydrometallurgy,1991,26(2):163-177. |
13 | Peri K , Guan Y , Han K N .Dissolution behavior of gold in ammoniacal solutions with iodine as an oxidant[J].Mining Metallurgy and Exporation,2001,18(1):13-17 |
14 | Starovoytov O N , Kim N S , Han K N .Dissolution behavior of silver in ammoniacal solutions using bromine,iodine and hydrogen-peroxide as oxidants[J].Hydrometallurgy,2007,86(1/2):114-119. |
15 | Ha V H , Lee J C , Huynh T H ,et al .Optimizing the thiosulfate leaching of gold from printed circuit boards of discarded mobile phone[J].Hydrometallurgy,2014,149:118-126 |
16 | Muir D M .A review of the selective leaching of gold from oxidised copper-gold ores with ammonia-cyanide and new insights for plant control and operation[J].Minerals Engineering,2011,24(6):576-582. |
17 | Han K N , Fuerstenau M C .Factors influencing the rate of dissolution of gold in ammoniacal solutions[J].International Journal of Mineral Processing,2000,58(1/2/3/4):369-381. |
18 | Yannopoulos J C .The Extractive Metallurgy of Gold[M].New York:Van Nostrand Reinhold,1991. |
19 | 马传净 .湿法技术从废弃线路板中提取金银的研究[D].青岛:青岛科技大学,2015. |
Ma Chuanjing .The Research of Gold and Silver Leaching from Printed Circuit Boards by Hydrometallurgical Technology[D].Qingdao:Qingdao University of Science and Technology,2015. | |
20 | 李绍英,王海霞,袁喜振,等 .金精矿碘化浸出过程动力学[J].中国有色金属学报,2014,24(3):814-819. |
Li Shaoying , Wang Haixia , Yuan Xizhen ,et al .Leaching dynamics of gold concentrates by iodine-iodide solution[J].The Chinese Journal of Nonferrous Metals,2014,24(3):814-819. | |
21 | 白建峰,白静,戴珏,等 .碘化法提取废旧手机线路板微生物浸出残渣中的金[J].矿冶工程,2016,36(2):62-66. |
Bai Jianfeng , Bai Jing , Dai Yu ,et al .Extracting gold from the bioleaching residue from PCB by iodide process[J].Mining and Metallurgical Engineering,2016,36(2):62-66. |
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