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12 results on '"Takahiro Miki"'

9. Recovery of Molybdenum from Copper Slag

Author

Tran Van Long, Takahiro Miki, Jose Palacios, Mitsutaka Hino, Mario Sanches, and Yasushi Sasaki

Subjects
Materials science, Metallurgy, Alloy, Metals and Alloys, Slag, chemistry.chemical_element, engineering.material, Condensed Matter Physics, Copper slag, Flux (metallurgy), chemistry, Molybdenum, visual_art, Molybdenite, Materials Chemistry, visual_art.visual_art_medium, engineering, Physical and Theoretical Chemistry, Carbon
Abstract

Slag as by-product of Cu making has been produced in large amounts in Chile, and around 5 million tons of slag are estimated to be disposed every year and 40 to 45 million tons have been accumulated. Typical Chilean Cu slag contains about 0.3 mass% Mo which is the grade of primary mine production of molybdenite and it also contains about 40 mass% of Fe and 1 mass% Cu. Recovery of Mo from Chilean copper slag is quite attractive to secure a stable Mo supply. The feasibility of the recovery of Mo from Cu slag as Fe-Mo alloys by carbon reduction is investigated in the present work. Mo in Cu slag is found to be fully recovered as Fe rich alloy. The recovered Fe rich alloy contains about 0.65mass% Mo and 2.4 mass% Cu. In addition, to use the recovered Fe-Mo alloy in the special steel industry, which is the most important market for molybdenum, Cu in the produced Fe-Mo alloy is successfully decreased from 2.4 mass% to 0.1 mass% by using FeS-Na2S flux. Thus, Mo recovery from Chilean Cu slag can be promising.

Published
2012

10. Recovery of Molybdenum from Spent Lubricant

Author

Takahiro Miki, Tran Van Long, Mitsutaka Hino, and Yasushi Sasaki

Subjects
Materials science, Mechanics of Materials, Chemistry, Molybdenum, Mechanical Engineering, Metallurgy, Materials Chemistry, Metals and Alloys, chemistry.chemical_element, Physical and Theoretical Chemistry, Lubricant, Condensed Matter Physics
Published
2012

11. Consideration of Dissolution Behavior of Elements in Steelmaking Slag Based on Their Stability Diagram in Seawater

Author

Mitsutaka Hino, Takahiro Miki, Tetsuya Nagasaka, Yuusuke Samada, and Kiyoteru Shitogiden

Subjects
Materials science, business.industry, Metallurgy, Metals and Alloys, Slag, Stability diagram, Condensed Matter Physics, Steelmaking, visual_art, Materials Chemistry, visual_art.visual_art_medium, Seawater, Physical and Theoretical Chemistry, business, Dissolution
Published
2003

12. Dissolution Behavior of Elements in Steelmaking Slag into Artificial Seawater

Author

Tetsuya Nagasaka, Kiyoteru Shitogiden, Mitsutaka Hind, Takayuki Futatsuka, and Takahiro Miki

Subjects
business.industry, Metallurgy, Metals and Alloys, Artificial seawater, Slag, Condensed Matter Physics, Steelmaking, chemistry.chemical_compound, chemistry, visual_art, Phytoplankton, Carbon dioxide, Materials Chemistry, visual_art.visual_art_medium, Environmental science, Seawater, Physical and Theoretical Chemistry, business, Dissolution
Published
2003

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