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Use of Industrial Waste (Al-Dross, Red Mud, Mill Scale) as Fluxing Agents in the Sulfurization of Fe-Ni-Cu-Co Alloy by Carbothermic Reduction of Calcium Sulfate
- Issue Date
- Jun-2018
- Publisher
- ASM International
- Keywords
- ALUMINUM DROSS; BEHAVIOR
- Citation
- Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science, v.49, no.3, pp.939 - 943
- Indexed
- SCIE
SCOPUS
- Journal Title
- Metallurgical and Materials Transactions B: Process Metallurgy and Materials Processing Science
- Volume
- 49
- Number
- 3
- Start Page
- 939
- End Page
- 943
- ISSN
- 1073-5615
- Abstract
- The use of industrial waste [mill scale (MS), red mud (RM), Al-dross (AD)] as fluxing agents in the sulfurization of Fe-Ni-Cu-Co alloy to matte (Fe-Ni-Cu-Co-S) by carbothermic reduction of CaSO4 was investigated at 1673 K (1400 degrees C). The sulfurization efficiency (SE) was 76 (+/- 2) pct at RM or AD single fluxing. However, SE drastically increased to approximately 89 pct at a '5AD + 5MS' combination, which was equivalent to reagent-grade chemical '5Al(2)O(3) + 5Fe(2)O(3)' fluxing (SE = 88 pct). The present results can be used to improve the cost-effective recovery of rare metals (Ni and Co) from deep sea manganese nodules. (C) The Minerals, Metals & Materials Society and ASM International 2018
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Related Researcher
- Park, Joo Hyun
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)