Waste management (New York, N.Y.) · 2012
Recovery of indium from used LCD panel by a time efficient and environmentally sound method assisted HEBM.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Lee Cheol-Hee, Jeong Mi-Kyung, Kilicaslan M Fatih, Lee Jong-Hyeon, Hong Hyun-Seon, Hong Soon-Jik
Аннотация
In this study, a method which is environmentally sound, time and energy efficient has been used for recovery of indium from used liquid crystal display (LCD) panels. In this method, indium tin oxide (ITO) glass was crushed to micron size particles in seconds via high energy ball milling (HEBM). The parameters affecting the amount of dissolved indium such as milling time, particle size, effect time of acid solution, amount of HCl in the acid solution were tried to be optimized. The results show that by crushing ITO glass to micron size particles by HEBM, it is possible to extract higher amount of indium at room temperature than that by conventional methods using only conventional shredding machines. In this study, 86% of indium which exists in raw materials was recovered about in a very short time.