Zobrazeno 1 - 10
of 265
pro vyhledávání: '"Man Seung Lee"'
Publikováno v:
Can Tho University Journal of Science, Vol 15, Iss 1 (2023)
Smelting reduction of spent lithium-ion batteries (LIBs) produces metallic alloys containing Co, Ni, Cu, Mn, and Fe. Finding suitable reagents in terms of efficiency, economics, and friendly environment for the dissolution of these metals from the al
Externí odkaz:
https://doaj.org/article/3ea64c1dfc4845dfb5763268e2360f17
Autor:
Tae Boong Moon, Chulwoong Han, Soong Keun Hyun, Sung Cheol Park, Seong Ho Son, Man Seung Lee, Yong Hwan Kim
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 4, Pp 983-986 (2021)
This study investigated the recovery behavior of valuable metals (Co, Ni, Cu and Mn) in spent lithium ion-batteries based on Al2O3-SiO2-CaO-Fe2O3 slag system via DC submerged arc smelting process. The valuable metals were recovered by 93.9% at the 12
Externí odkaz:
https://doaj.org/article/44f9fcee9bb941d2acbe16b69cf3ca8b
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 4, Pp 1023-1027 (2021)
This study investigated the effect of flux type and amounts on recovery behavior of aluminum alloy during the melting process of Al can scrap. The heat treatment was conducted to remove the coating layer on the surface of can scrap at 500°C for 30 m
Externí odkaz:
https://doaj.org/article/4ad460c1beba48d4a960681f761f7daf
Publikováno v:
Journal of Materials Research and Technology, Vol 14, Iss , Pp 2333-2344 (2021)
The recovery of valuable metals such as Co, Cu, and Ni from spent lithium-ion batteries has attracted much attention due to environmental issues and economic values. Separation of these metals from the synthetic metallic mixtures was investigated by
Externí odkaz:
https://doaj.org/article/e327328c424d4d2baa07d72e125e2f2a
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 2, Pp 2568-2577 (2020)
In order to recover pure alumina and synthesize magnesium spinel from black dross, a hydrometallurgical process was developed. This process consisted of 1) NaOH leaching of the mechanically activated black dross, 2) removal of silicate(IV) from the l
Externí odkaz:
https://doaj.org/article/433cf6a12f7a48919f329a218696562a
Publikováno v:
Metals, Vol 12, Iss 8, p 1268 (2022)
Rare earth elements (REEs) are strategically critical in the manufacture of advanced materials. Red mud and end-of-life NdFeB magnets can be good secondary sources for REEs, but recovery is difficult due to the high iron oxide content and small amoun
Externí odkaz:
https://doaj.org/article/19c986dc95864d80b3a191a81e421caf
Publikováno v:
Metals, Vol 11, Iss 4, p 575 (2021)
Platinum group metals (PGMs) are important for the manufacture of advanced materials in the field of catalysts and electronic devices. Since the chemical properties of PGMs are very similar to each other, hydrometallurgical processes should be employ
Externí odkaz:
https://doaj.org/article/fc448842ddb14c4db8ffe6cbc7be585a
Publikováno v:
Metals, Vol 10, Iss 12, p 1678 (2020)
The development of extraction systems to improve the extraction efficiency of metals using commercial extractants and ionic liquids is of importance. The extraction behavior of Co(II) between mixture of Alamine 336/Aliquat 336 and D2EHPA and synthesi
Externí odkaz:
https://doaj.org/article/b9639ee841654d35a1e8efefc82bb8d5
Publikováno v:
Metals, Vol 10, Iss 8, p 1105 (2020)
Cyanex extractants, such as Cyanex 272, Cyanex 301, and Cyanex 302 have been commercialized and widely used in the extraction and separation of metal ions in hydrometallurgy. Since Cyanex 301 and Cyanex 302 are the derivatives of Cyanex 272, these ex
Externí odkaz:
https://doaj.org/article/a4a88cc15187490eadb2604c89fbb2ae
Autor:
Hyeong Hun Ahn, Man Seung Lee
Publikováno v:
Metals, Vol 9, Iss 8, p 858 (2019)
The addition of ruthenium to tungsten carbide-cobalt hard metals improves their mechanical properties. Since ruthenium is a platinum group metal, the recovery of ruthenium together with cobalt from the scrap of hard metals is of great importance. In
Externí odkaz:
https://doaj.org/article/6255ab056c53407aa8f9aa3c12130fb5