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A novel process for separation of magnetite and phosphorous phases from a CaO-SiO2-FeO-P2O5 slag
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Li, Guoxuan, Liang, Jinshan, Long, Jun, Guan, Dong, Li, Zushu, Sridhar, Seetharaman and Li, Juncheng (2022) A novel process for separation of magnetite and phosphorous phases from a CaO-SiO2-FeO-P2O5 slag. ISIJ International, 62 (7). pp. 1556-1559. doi:10.2355/ISIJINTERNATIONAL.ISIJINT-2021-578 ISSN 0915-1559.
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Official URL: https://doi.org/10.2355/ISIJINTERNATIONAL.ISIJINT-...
Abstract
Iron and phosphorus were successfully separated from CaO–SiO2–FeO–P2O5 slag through atmospheric control, B2O3 addition and a combination of magnetic separation and flotation. For the slag with basicity (CaO/SiO2) of 2.5 and B2O3 addition of 6% (weight percentage), iron and phosphorus in the slag were enriched in the form of magnetite (Fe3O4) and calcium phosphate (Ca10P6O25) phases respectively under Ar atmosphere. Using a combination of magnetic separation and flotation, the concentrates were obtained with Fe3O4 and P2O5 content of 92.84% and 37.66% respectively, corresponding to the recovery ratios of 85.8% for iron and 91.3% for phosphorus.
Item Type: | Journal Article | ||||||||||||||||||||||||
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Subjects: | T Technology > TN Mining engineering. Metallurgy | ||||||||||||||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||||||||||||||||||
Library of Congress Subject Headings (LCSH): | Slag -- Recycling, Magnetic separation of ores, Flotation, Magnetite, Calcium phosphate | ||||||||||||||||||||||||
Journal or Publication Title: | ISIJ International | ||||||||||||||||||||||||
Publisher: | The Iron and Steel Institute of Japan | ||||||||||||||||||||||||
ISSN: | 0915-1559 | ||||||||||||||||||||||||
Official Date: | 15 July 2022 | ||||||||||||||||||||||||
Dates: |
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Volume: | 62 | ||||||||||||||||||||||||
Number: | 7 | ||||||||||||||||||||||||
Page Range: | pp. 1556-1559 | ||||||||||||||||||||||||
DOI: | 10.2355/ISIJINTERNATIONAL.ISIJINT-2021-578 | ||||||||||||||||||||||||
Status: | Peer Reviewed | ||||||||||||||||||||||||
Publication Status: | Published | ||||||||||||||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||||||||||||||
Date of first compliant deposit: | 13 April 2022 | ||||||||||||||||||||||||
Date of first compliant Open Access: | 13 April 2022 | ||||||||||||||||||||||||
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