Zobrazeno 1 - 10
of 124
pro vyhledávání: '"JEI-PIL WANG"'
Publikováno v:
Metals, Vol 14, Iss 7, p 777 (2024)
Cobalt is a critical metal widely distributed in nature, but cobalt ore has hardly been found as an independent mineral. Cobalt-bearing pyrite tailings separated from iron ore is one of the resources for recovering cobalt. In the following study, roa
Externí odkaz:
https://doaj.org/article/6023f043c9294205a9f561d6dfee2370
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 69, Iss No 2, Pp 437-411 (2024)
This study was intended to investigate the effects of basicity and oxygen partial pressure on the distribution behavior of Ni in the nickel smelting process using nickel oxide ore, the raw material of nickel, among natural ores. Experiments were cond
Externí odkaz:
https://doaj.org/article/064fecc28fa94810acaef663c8590771
Autor:
Erdenebold Urtnasan, Jei-Pil Wang
Publikováno v:
Metals, Vol 14, Iss 6, p 657 (2024)
Recycling lithium-ion batteries provides sustainable raw materials. Crushing and separation are necessary for extracting metals, like lithium, from batteries. Crushing a battery carries a risk of fire or explosion. Fully discharging the battery is cr
Externí odkaz:
https://doaj.org/article/91483e0100ea4f0fa92149a2cf7ad95a
Autor:
Jei-Pil Wang
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 3, Pp 745-750 (2021)
A novel process to recover lithium and manganese oxides from a cathode material (LiMn2O4) of spent lithium-ion battery was attempted using thermal reaction with hydrogen gas at elevated temperatures. A hydrogen gas as a reducing agent was used with L
Externí odkaz:
https://doaj.org/article/44601667521d4f32a624d915a234ffe4
Autor:
Urtnasan Erdenebold, Jei-Pil Wang Wang
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 66, Iss No 3, Pp 809-818 (2021)
Copper slag is usually a mixture of iron oxide and silicon dioxide, which exist in the form of fayalite (2FeO·SiO2), and contains ceramic components as the SiO2, Al2O3 and CaO depending on the initial ore quality and the furnace type. Our present st
Externí odkaz:
https://doaj.org/article/7b39bcc387924e89a379a9bd5f38bdac
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 65, Iss No 1, Pp 349-355 (2020)
Copper slag differs by chemical composition and structure, depending on the type of processing. Copper slag typically contains about 1 wt.% copper and 40 wt.% iron depending upon the initial ore quality and type of furnace used. The aim is to produce
Externí odkaz:
https://doaj.org/article/cdd7892555b94ce3aa5b2383b69d1afe
Publikováno v:
Archives of Metallurgy and Materials, Vol vol. 64, Iss No 2, Pp 481-485 (2019)
This study was attempted to study for recovery of Li as Li2CO3 from cathode active material, especially NCA (LiNiCoAlO2), recovered from spent lithium ion batteries. This consists of two major processes, carbonation using CO2 and water leaching. Carb
Externí odkaz:
https://doaj.org/article/6d82b607d733406893d0564893a3e702
Publikováno v:
Metals, Vol 12, Iss 2, p 177 (2022)
In this paper, research on the effects of agitation rate for desilvering tin silver alloy residue by using pyrometallurgy was carried out. SnAg alloy residue with 92 wt.% tin and 3.56 wt.% silver was used in this study, and 99.999 wt.% zinc was added
Externí odkaz:
https://doaj.org/article/d9efc3dcf7024aa1a66465c82ebd9728
Publikováno v:
Metals, Vol 12, Iss 2, p 222 (2022)
In this research, a study to selectively recover Si from end-of-life photovoltaic cells by using acid solutions (HNO3 and HCl) and the cavitation effect of an ultrasonic cleaner was carried out. To selectively recover Si from an end-of-life photovolt
Externí odkaz:
https://doaj.org/article/d08ddff271f94521ad8e11d60d266680
Publikováno v:
Metals, Vol 9, Iss 2, p 205 (2019)
The metallic tantalum powder was successfully synthesized via reduction of tantalum pentoxide (Ta2O5) with magnesium gas at 1073~1223 K for 10 h inside the chamber held under an argon atmosphere. The powder obtained after reduction shows the Ta⁻MgO
Externí odkaz:
https://doaj.org/article/7344cabb43c04610927776e5521d844a