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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.1
- 수록면
- 202 - 206 (5page)
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초록· 키워드
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Leaching of MOCVD dust in the LED industry is an essential stage for hydro-metallurgical recovery ofpure Ga and In. To recover Ga and In, the leaching behavior of MOCVD scrap of an LED, which contains significantamounts of Ga, In, Al and Fe in various phases, has been investigated. The leaching process must be performed effectivelyto maximize recovery of Ga and In metals using the most efficient lixiviant. Crystalline structure and metalliccomposition of the raw MOCVD dust were analyzed prior to digestion. Subsequently, various mineral acids were testedto comprehensively study and optimize the leaching parameters such as acidity, pulp density, temperature and time. Themost effective leaching of Ga and In was observed for a boiling 4 M HCl solution vigorously stirred at 400 rpm. Phasetransformation of GaN into gallium oxide by heat treatment also improved the leaching efficiency of Ga. Subsequentlyhigh purity Ga and In can be recovered by series of hydro processes.
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참고문헌 (9)
참고문헌 신청
C. Gibson / 2011 / Sector research ? Indium and gallium overview / Edison investment research
D. Kim / 2013 / LED Material Report - LED MOCVD용Precursor 시장 및 산업 분석
H. D. Xiao / 2005 / / Mater. Chem. Phys. 94 : 261 ~
H. S. Hong / 2010 / / Res. Chem. Intermed. 36 : 761 ~
J. S. Lee / 2002 / / J. Cryst. Growth 244 : 287 ~
D. Kim / 2013 / LED Material Report - LED MOCVD용Precursor 시장 및 산업 분석
H. D. Xiao / 2005 / / Mater. Chem. Phys. 94 : 261 ~
H. S. Hong / 2010 / / Res. Chem. Intermed. 36 : 761 ~
J. S. Lee / 2002 / / J. Cryst. Growth 244 : 287 ~
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