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논문 기본 정보

자료유형
학술저널
저자정보
Jae Ryang Park (Institute for Advanced Engineering) Eun Duck Park (Ajou University)
저널정보
한국에너지학회 에너지공학 에너지 공학 제32권 제4호 (통권 제116호)
발행연도
2023.12
수록면
76 - 92 (17page)
DOI
10.5855/ENERGY.2023.32.4.076

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초록· 키워드

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Waste liquid crystal display (LCD) accounts for one-sixth of the total global E-waste generated, a major environmental issue and a secondary resource for various metals and materials, including critical metals like Indium. The current review discusses and summarizes the recycling of waste LCDs and comprehensively focuses on indium recovery from waste LCD panels through various applied technologies. Extraction and recovery technologies employed for indium recovery from Indium-tin-oxide (ITO), which has 90 wt% In₂O₃ and 10 wt% SnO₂, of the waste LCD panel is an important resource for indium has been discussed extensively. The extensive literature investigation indicates that indium recovery through various technologies like pyrometallurgy, chemical metallurgy, and hydrometallurgy have been employed. Among them, the hydrometallurgy process has been a major focus. Hence, various aspects like leaching, solvent extraction, and metal recovery through stripping of hydrometallurgy have been more intensively analyzed and discussed. The current review indicates that hydrometallurgy could be a promising technology for successful industrial-scale indium recovery from segregated panels of waste LCD. As most of the studies reported are on the laboratory scale, the requirement of industrial-scale investigation for process development is suggested.

목차

Abstract
1. Introduction
2. LCD Waste Recycling
3. Indium Recovery Technology from Waste LCDs
4. Summary and outlook
References

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