Extraction of Zinc from Metallurgical Residue with a NH3-(NH4)2SO4-H2O System

被引：0
|
作者：
Sun, Chengyu [1 ,4 ]
Ma, Aiyuan [2 ]
Luo, Yongguang [1 ,4 ]
Li, Guojiang [4 ]
Xie, Tingfang [3 ,4 ]
Zheng, Xuemei [2 ]
机构：
[1] Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming 650093, Yunnan, Peoples R China
[2] Liupanshui Normol Univ, Sch Chem & Mat Engn, Liupanshui 553004, Peoples R China
[3] Xian Univ Technol, Sch Mat Sci & Engn, Shaanxi Key Lab Elect Mat & Infiltrat Technol, Xian 710048, Peoples R China
[4] Yunnan Chihong Zn & Ge Co Ltd, Qujing 655011, Peoples R China
来源：
CHARACTERIZATION OF MINERALS, METALS, AND MATERIALS 2021 | 2021年
关键词：
Metallurgical solid waste residue; Zinc; NH3-(NH4)(2)SO4-H2O system; FURNACE; SLUDGE; DUST;
D O I：
10.1007/978-3-030-65493-1_13
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Metallurgical solid waste residue contains a certain amount of Zn, which is an important secondary resource for the production of Zn. In this article, a hydrometallurgical method in a NH3-(NH4)(2)SO4-H2O system is proposed to recover Zn selectively from metallurgical solid waste residue. The results showed the highest zinc extraction of 77.55% was obtained by using a total ammonia concentration of 5 mol/L of the leaching agent, stirring speed of 400 rpm, ammonia/ammonium ratio ([NH3]/NH4](+)) of 1:1, solid/liquid ratio of 1:4, leaching time of 30 min, and leaching temperature of 25 degrees C.
引用
收藏
页码：131 / 139
页数：9
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