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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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NCM계 리튬이온 전지 양극재의 탄산화 배소와 수침출 의한 Li 회수
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이대현, 이소연, 이소영, 손호상
Korean J. Met. Mater.
2022;60(10):744-750. Published online 2022 Sep 29
DOI:
https://doi.org/10.3365/KJMM.2022.60.10.744
Abstract
Lithium is a representative rare metal and ranks 32nd in abundance among elements in the earth’s crust. Lithium is used in a variety of applications, including the production of organolithium compounds, as an alloying addition to aluminum and magnesium, and as the anode in rechargeable lithium ion batteries especially for.....
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Crossref 2
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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
Crossref 4
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손성호, 이만승
Korean J. Met. Mater.
2022;60(4):291-300. Published online 2022 Mar 28
DOI:
https://doi.org/10.3365/KJMM.2022.60.4.291
Abstract
The recovery of valuable metals such as cobalt, nickel, and lithium from spent lithium-ion batteries (LIBs) has attracted much attention. In this study, a hydrometallurgical process for the recovery of high-purity lithium compounds like Li
2
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and Li
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PO
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from dust containing Li, Co, Ni, Cu, Fe, Mn, and Si produced during.....
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Web of Science 2
Crossref 3
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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
Crossref 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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폐형광체 분말로부터 희토류의 회수를 위한 침출 특성 고찰
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이기헌, 김창권, 이동훈, 송영준
Korean J. Met. Mater.
2021;59(7):459-468. Published online 2021 Jun 16
DOI:
https://doi.org/10.3365/KJMM.2021.59.7.459
Abstract
This study was carried out to obtain data to design a process to recover rare earth elements, specifically Y(Yttrium), La(Lanthanum), Ce(Cerium), Eu(Europium), Tb(Terbium) from waste phosphor powder. For this purpose, we investigated the effect of temperature, concentration, time and acids on leaching of the rare earth elements. The effect of.....
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Web of Science 1
Crossref 2
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Top submerged lance 로의 스파이스산물 중 구리의 황산 침출에 대한 납과 안티몬의 영향
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채수진, 유경근, Richard Diaz Alorro, Manis Kumar Jha
Korean J. Met. Mater.
2021;59(1):33-40. Published online 2021 Jan 5
DOI:
https://doi.org/10.3365/KJMM.2021.59.1.33
Abstract
Cu-Pb and Cu-Sb alloys were prepared at various ratios, from 10:90 to 90:10, and leaching tests with sulfuric acid were conducted to investigate the effect of Pb and Sb on the leaching of Cu from speiss, which is obtained from the top submerged lance furnace process. The Cu leaching.....
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초고온·고압 소결 공정으로 제조된 다결정 다이아몬드 컴팩트(PDC)의 VTL 마모 특성에 미치는 Co 제거의 영향
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백민석, 김지원, 박배건, 박희섭, 이기안
Korean J. Met. Mater.
2020;58(7):480-487. Published online 2020 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2020.58.7.480
Abstract
Polycrystalline diamond compact (PDC) has excellent wear resistance, high impact resistance, superior fatigue properties, and has been used in the oil and gas drilling industries. This study investigated the effect of Co leaching on the microstructure, vertical turning lathe (VTL) wear properties of PDCs manufactured by high-temperature and high-pressure (HTHP).....
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Korean J. Met. Mater.
2019;57(4):245-250. Published online 2019 Apr 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.4.245
Abstract
Copper leaching from low-grade copper ore samples obtained from two active mines in the US, named conichalcite (sample A) and chalcopyrite (sample B), were studied under different leaching conditions using sulfuric acid and methane sulfonic acid (MSA). The conichalcite, sample A, is calcium-copper arsenite hydroxide [CaCu(AsO4)(OH)] with small amount of.....
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Web of Science 4
Crossref 3
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Korean J. Met. Mater.
2019;57(3):154-161. Published online 2019 Feb 14
DOI:
https://doi.org/10.3365/KJMM.2019.57.3.154
Abstract
Aluminum dross results from the re-melting of used aluminum cans, and is a valuable resource containing alumina. In general, aluminum dross contains oxides of Al, Ca, Fe, Mg, Si and Ti and some salts. As a continuation of the previous work to recover pure alumina from the dross, the effect.....
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Web of Science 3
Crossref 3
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전자스크랩으로부터 티오요소에 의한 은(Ag) 침출
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소홍일, 이주은, 조연철, 안재우, 류호진
Korean J. Met. Mater.
2018;56(7):511-517. Published online 2018 Jul 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.7.511
Abstract
The leaching behavior of silver from electronic scrap using acidic thiourea solution was studied. The results showed that the silver leaching percentage was affected by the concentration of thiourea and hydrochloric acid, the oxidant such as ferric ions, solid-liquid ratio, temperature, rpm, etc. The leaching percentage of silver decreased with.....
More
Crossref 3
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