A Novel Process for Separation of Magnetite and Phosphorous Phases from a CaO-SiO2-FeO-P2O5 Slag

Li Guoxuan; Liang Jinshan; Long JunGuan DongLi ZushuSeetharaman SridharLi Juncheng

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A Novel Process for Separation of Magnetite and Phosphorous Phases from a CaO-SiO2-FeO-P2O5 Slag

机译：A Novel Process for Separation of Magnetite and Phosphorous Phases from a CaO-SiO2-FeO-P2O5 Slag

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摘要

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.

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来源
《ISIJ International》 |2022年第7期|1556-1559|共4页
作者
Li Guoxuan; Liang Jinshan; Long JunGuan DongLi ZushuSeetharaman SridharLi Juncheng;
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作者单位

Jiangsu Univ;

Univ Warwick;

Arizona State Univ;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类黑色金属材料;
关键词
steelmaking slag; B2O3 addition; atmospheric control; magnetite; calcium phosphate; ENRICHMENT MECHANISM; DEPHOSPHORIZATION; PHOSPHATE; RECOVERY; EXTRACT;

A Novel Process for Separation of Magnetite and Phosphorous Phases from a CaO-SiO2-FeO-P2O5 Slag

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