Indium Recovery from Indium Tin Oxide, ITO, Thin Film Deposited on Glass Plate by Chlorination Treatment with Ammonium Chloride

被引：16
|
作者：
Terakado, Osamu [1 ]
Iwaki, Daisuke [1 ]
Murayama, Kyohei [1 ]
Hirasawa, Masahiro [1 ]
机构：
[1] Nagoya Univ, Grad Sch Engn, Dept Mat Sci & Engn, Nagoya, Aichi 4648603, Japan
来源：
MATERIALS TRANSACTIONS | 2011年 / 52卷 / 08期
关键词：
indium; recovery; chlorination; indium tin oxide (ITO); ammonium chloride;
D O I：
10.2320/matertrans.M2011106
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the focus of selective recovery of indium from waste flat panel display, we have studied chlorination treatment where ammonium chloride, NH4Cl, has been used as chlorination reagent. Glass plate on which ITO is deposited, denoted hereafter as ITO glass, has been employed as model sample. It was found that indium could be successfully recovered from ITO glass in the form of volatile indium chloride by heating the mixture of ITO and NH4Cl at the temperature of 400 degrees C under inert atmosphere. The influence of process parameters, such as treatment temperature, milling condition of ITO glass and composition of NH4Cl, was investigated in order to achieve high process efficiency. [doi:10.2320/matertrans.M2011106]
引用
收藏
页码：1655 / 1660
页数：6
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