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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

Title
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
Author
박주현
Keywords
ALUMINUM DROSS; BEHAVIOR
Issue Date
2018-06
Publisher
SPRINGER
Citation
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE, v. 49, No. 3, Page. 939-943
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.
URI
https://link.springer.com/article/10.1007/s11663-018-1217-8https://repository.hanyang.ac.kr/handle/20.500.11754/81168
ISSN
1073-5615
DOI
10.1007/s11663-018-1217-8
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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