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International Journal of Nonferrous Metallurgy (IJNM) is a peer-reviewed, open access journal published quarterly. The goal of this journal is to provide a platform for doctors and academicians all over the world to promote, share, and discuss various new issues and developments in all aspects of Nonferrous Metallurgy…
Udochukwu Mark, Charles Nwachukwu Anyakwo, Okechukwu Onyebuchi Onyemaobi, Chijioke Samson Nwobodo
Bauxite deposits for production of alumina are lacking in Nigeria and there is an aluminium smelter plant in the country which requires alumina for its operation. Development of alternative alumina resource using clays that are abundant in the country is the…
Cristian Vargas, Patricio Navarro, Daniel Espinoza, Jorge Manríquez, Erica Mejía
In this work the dissolutive behavior of gold in alkaline medium using thiourea (TU), under different variables, was studied in a theoretical and experimental way, in order to determine the conditions under which it is feasible to dissolve gold in thiourea-al…
Hidekazu Sueyoshi, Masashi Miyazaki, Takuya Okada, Nobuyuki Ashie, Yoshiharu Kousaka
2 wt% Ca was added to molten brass containing 3.2 wt% Pb. The composition and grain size of the formed Ca-Pb compound were examined in detail using SEM-EDS and XRD. This revealed that the composition of the Ca-Pb compound depends on the grain size of the liqu…
Mohammad Hasan Omidi, Omid Salmani Nuri, Hassan Tavakoli
This study was carried out to investigate the interaction of oxalic acid with hydrochloric acid to attain the better performance for iron dissolution in comparison to absence of oxalic acid. The effects of oxalic acid on ratio of hydrochloric acid, acid conce…
Hidekazu Sueyoshi, Kousaku Yamada, Masashi Miyazaki, Takuya Okada, Nobuyuki Ashie, Yoshiharu Kousaka
The Mechanism of Pb removal from brass scrap by compound separation using Ca and NaF addition was investigated. Because large Ca-Pb compound particles formed by Ca addition ris e to the surface of the molten brass, they can be skimmed off from the molten bras…
Qi Zhu, Ling Shen, Jianjun He, Weihua Gui
The temperature of aluminum alloy work-pieces in the aging furnace directly affects the quality of aluminum alloy products. Since the temperature of aluminum alloy work-pieces cannot be measured directly, a temperature prediction model based on improved case-…
Hanno Vogel, Bernd Friedrich
The neodymium electrolysis produces unnecessary high emission of CF 4 and C 2 F 6 . These perfluorocarbons (PFC <sub> s </sub> ) are potent greenhouse gases and are not filtered or destroyed in the off-gas. A process control in analogy to the aluminum electro…
Abduali Baeshov, Begzat Myrzabekov, Arman Makhanbetov, Brajendra Mishra, Omirserik Baigenzhenov, Vladimir Luganov
Method and mechanism for the formation of sulfur compounds during the process of sulfur electrochemical dissolution has been studied, including a technique for the production of composite sulfur-graphite electrode. Along with these, a 3D design is presented i…
Fredrick Madaraka Mwema
The purpose of this research is to develop a SolidWorks ? model for transient temperature field of laser welding of PMMA/SS 304 materials for application in fabrication of the ultrasonic back-plate, with a view of optimizing the experimental conditions. The s…
Cristian Vargas, Patricio Navarro
The study of copper adsorption onto ion exchange resins of anionic type is part of the gold recovery from ammonia-thiosulfate solutions, where copper is the main impurity of the system because it acts as a catalyst of gold dissolution reaction. A study is mad…
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International Journal of Nonferrous Metallurgy (IJNM) is a peer-reviewed, open access journal published quarterly. The goal of this journal is to provide a platform for doctors and academicians all over the world to promote, share, and discuss various new issues and developments in all aspects of Nonferrous Metallurgy… All articles are open access under a CC BY 4.0 licence, with authors retaining copyright.
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