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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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아연치환체의 무기산 침출액에서 선택적 환원에 의한 고순도 팔라듐금속의 회수
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송시정, Viet Nhan Hoa Nguyen, 이만승
Korean J. Met. Mater.
2022;60(11):837-844. Published online 2022 Oct 31
DOI:
https://doi.org/10.3365/KJMM.2022.60.11.837
Abstract
A small amount of Pd(II) present in spent electroplating solutions is concentrated by cementation. In this work, a process was developed to recover pure palladium metal by selective reduction from the hydrochloric and the sulfuric acid leaching solutions of cemented zinc. For this purpose, hydrazine and ascorbic acid were employed.....
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Web of Science 1
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Korean J. Met. Mater.
2022;60(7):502-510. Published online 2022 Jun 3
DOI:
https://doi.org/10.3365/KJMM.2022.60.7.502
Abstract
There is growing interest in the recovery of pure palladium (Pd) compound from cemented Pd from spent electroplating solutions due to increasing demand for Pd, and there is considerable motivation to develop an efficient recovery process. In conventional methods of leaching Pd metal, HCl solutions containing oxidizing agents are employed......
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Web of Science 4
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도금폐액에 함유된 팔라듐의 아연치환물 염산침출액에서 상용화추출제를 이용한 용매추출로 팔라듐(II)과 아연(II)의 분리
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송시정, Viet Nhan Hoa Nguyen, 이만승
Korean J. Met. Mater.
2022;60(3):188-197. Published online 2022 Feb 8
DOI:
https://doi.org/10.3365/KJMM.2022.60.3.188
Abstract
The demand for palladium (Pd) has increased and this has made it necessary to recover pure Pd from diverse secondary resources. To recover the small amount of Pd(II) present in spent electroplating solutions, Pd(II) is concentrated by cementation with zinc metal. In this work, a hydrometallurgical process consisting of leaching.....
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Web of Science 3
Crossref 4
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황산용액에서 상용화 추출제에 의한 팔라듐(II)과 아연(II)의 분리
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송시정, Viet Nhan Hoa Nguyen, 이만승
Korean J. Met. Mater.
2022;60(2):132-140. Published online 2022 Jan 12
DOI:
https://doi.org/10.3365/KJMM.2022.60.2.132
Abstract
Spent electroplating solutions contain a small amount of Pd(II). This Pd(II) can be concentrated by cementation with zinc metal powder. In order to recover pure palladium, a hydrometallurgical process consisting of leaching followed by solvent extraction was developed in this work. First, suitable extractants for the selective extraction of Pd(II).....
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Web of Science 2
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염산과 황산용액에서 팔라듐과 아연 금속혼합물의 침출
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송시정, Viet Nhan Hoa Nguyen, 이만승
Korean J. Met. Mater.
2021;59(7):469-475. Published online 2021 Jun 16
DOI:
https://doi.org/10.3365/KJMM.2021.59.7.469
Abstract
Spent electroplating solutions contain small amounts of Pd(II). Cementation of Pd(II) with zinc metal powder is practiced to concentrate the Pd. Dissolution of the cemented Pd metal is necessary to recover pure Pd metal or compounds. In this work, the leaching behavior of Pd metal in inorganic acid solutions (hydrochloric.....
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Web of Science 7
Crossref 7
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염산 용액에서 지르코늄(IV)계 금속-유기물 구조체 UIO-66-NH
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의 팔라듐(II) 흡착
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안형훈, 이만승
Korean J. Met. Mater.
2019;57(9):589-595. Published online 2019 Aug 21
DOI:
https://doi.org/10.3365/KJMM.2019.57.9.589
Abstract
Metal-organic frameworks are used in many applications, such as gas separation, catalysis, and the synthesis of nanomaterials. Metal-organic frameworks show superior stability at high temperature, which makes them potentially useful for the adsorption of metal ions from leaching solutions at high temperature. In this work, UIO-66-NH
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Web of Science 1
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Korean J. Met. Mater.
2017;55(4):247-255. Published online 2017 Apr 6
DOI:
https://doi.org/10.3365/KJMM.2017.55.4.247
Abstract
Solvent extraction was employed to recover precious metals (Au (III), Pd (II) and Pt (IV)) from the leach solution of spent electronic wastes containing Cu (II), Cr (III) and Fe (III). First, pure Fe (III) and Au (III) were recovered by simultaneous extraction with Cyanex 923 followed by selective stripping.....
More
Crossref 16
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