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Jaewoo Ahn
Department of Advanced Materials Sci. & Eng., Daejin University, 1007 Hoguk-ro, Pocheon-si, Gyeonggi-do 11159, Korea

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Journal article
Published: 28 June 2020 in Metals
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In order to manufacture lithium carbonate to be used as a raw material for a secondary lithium battery, lithium sulfate solution is used as a precursor, and the concentration of lithium is required to be 10 g/L or more. Electrodialysis (ED) was used as a method of concentrating lithium in a low-concentration lithium sulfate solution, and multistage concentration (MSC) electrodialysis was used to increase the concentration ratio (%). When MSC was performed using a raw material solution containing a large amount of sodium sulfate, the process lead time was increased by 60 min. And the concentration ratio (%) of lithium decreased as the number of concentration stages increased. In order to remove sodium sulfate, methanol was added to the raw material solution to precipitate sodium sulfate, and when it was added in a volume ratio of 0.4, lithium was not lost. Using a solution in which sodium sulfate was partially removed, fourth-stage concentration ED was performed to obtain a lithium sulfate solution with a lithium concentration of 10 g/L.

ACS Style

Yeonchul Cho; Kihun Kim; Jaewoo Ahn; Jaeheon Lee. Application of Multistage Concentration (MSC) Electrodialysis to Concentrate Lithium from Lithium-Containing Waste Solution. Metals 2020, 10, 851 .

AMA Style

Yeonchul Cho, Kihun Kim, Jaewoo Ahn, Jaeheon Lee. Application of Multistage Concentration (MSC) Electrodialysis to Concentrate Lithium from Lithium-Containing Waste Solution. Metals. 2020; 10 (7):851.

Chicago/Turabian Style

Yeonchul Cho; Kihun Kim; Jaewoo Ahn; Jaeheon Lee. 2020. "Application of Multistage Concentration (MSC) Electrodialysis to Concentrate Lithium from Lithium-Containing Waste Solution." Metals 10, no. 7: 851.

Journal article
Published: 05 August 2018 in Korean Journal of Metals and Materials
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ACS Style

Joo-eun Lee; Hong-Il So; Yeon-Chul Cho; Jae-Woo Ahn; Hong-in Kim; Jin-Youn Lee. Comparison of Counter Current Extraction Process of Pr & Nd Separation using Cyanex 572 and PC88A. Korean Journal of Metals and Materials 2018, 56, 597 -604.

AMA Style

Joo-eun Lee, Hong-Il So, Yeon-Chul Cho, Jae-Woo Ahn, Hong-in Kim, Jin-Youn Lee. Comparison of Counter Current Extraction Process of Pr & Nd Separation using Cyanex 572 and PC88A. Korean Journal of Metals and Materials. 2018; 56 (8):597-604.

Chicago/Turabian Style

Joo-eun Lee; Hong-Il So; Yeon-Chul Cho; Jae-Woo Ahn; Hong-in Kim; Jin-Youn Lee. 2018. "Comparison of Counter Current Extraction Process of Pr & Nd Separation using Cyanex 572 and PC88A." Korean Journal of Metals and Materials 56, no. 8: 597-604.

Journal article
Published: 05 July 2018 in Korean Journal of Metals and Materials
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ACS Style

Hong-Il So; Joo-Eun Lee; Yeon-Chul Cho; Jae-Woo Ahn; Ho-Jin Ryu. Leaching of Silver (Ag) from Electronic Scrap by Thiourea. Korean Journal of Metals and Materials 2018, 56, 511 -517.

AMA Style

Hong-Il So, Joo-Eun Lee, Yeon-Chul Cho, Jae-Woo Ahn, Ho-Jin Ryu. Leaching of Silver (Ag) from Electronic Scrap by Thiourea. Korean Journal of Metals and Materials. 2018; 56 (7):511-517.

Chicago/Turabian Style

Hong-Il So; Joo-Eun Lee; Yeon-Chul Cho; Jae-Woo Ahn; Ho-Jin Ryu. 2018. "Leaching of Silver (Ag) from Electronic Scrap by Thiourea." Korean Journal of Metals and Materials 56, no. 7: 511-517.