Recovery of iron from copper slag by deep reduction and magnetic beneficiation
Aiming at recovering iron from high-iron-content copper slag, this article introduced a combination technol- ogy of deep reduction and magnetic beneficiation, investigated the iron recovery efficiency and optimized the technical conditions. When coke powder with 86wt% fixed carbon was used as a redu...
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| Veröffentlicht in: | International journal of minerals, metallurgy and materials metallurgy and materials, 2013-11, Vol.20 (11), p.1035-1041 |
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| container_title | International journal of minerals, metallurgy and materials |
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| creator | Li, Ke-qing Ping, Shuo Wang, Hong-yu Ni, Wen |
| description | Aiming at recovering iron from high-iron-content copper slag, this article introduced a combination technol- ogy of deep reduction and magnetic beneficiation, investigated the iron recovery efficiency and optimized the technical conditions. When coke powder with 86wt% fixed carbon was used as a reductant, iron was successfully extracted from the copper slag. Under the optimized condition of the coke powder content of 14wt%, the calcium-to-silicon mass ratio （Ca/Si） of 0.2, the roasting temperature of 1300℃, the roasting time of 3 h, the grinding time of 20 min, and the magnetic field intensity of 61 kA-m-1, the iron recovery rate of the copper slag can reach 91.82%, and the extracted iron powder has an iron grade of 96.21%. With the characteristics of high iron grade and low impurity content, the extracted iron powder can be used as high-quality raw materials of weathering steel. |
| doi_str_mv | 10.1007/s12613-013-0831-3 |
| format | Article |
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When coke powder with 86wt% fixed carbon was used as a reductant, iron was successfully extracted from the copper slag. Under the optimized condition of the coke powder content of 14wt%, the calcium-to-silicon mass ratio （Ca/Si） of 0.2, the roasting temperature of 1300℃, the roasting time of 3 h, the grinding time of 20 min, and the magnetic field intensity of 61 kA-m-1, the iron recovery rate of the copper slag can reach 91.82%, and the extracted iron powder has an iron grade of 96.21%. With the characteristics of high iron grade and low impurity content, the extracted iron powder can be used as high-quality raw materials of weathering steel.</description><identifier>ISSN: 1674-4799</identifier><identifier>EISSN: 1869-103X</identifier><identifier>DOI: 10.1007/s12613-013-0831-3</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Atmospheric corrosion ; BENEFICIATION ; Calcium ; Ceramics ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Coke ; Composites ; Copper ; Corrosion and Coatings ; Corrosion resistant steels ; Glass ; Iron ; Iron and steel making ; Magnetic fields ; Magnetic flux ; Materials Science ; Metallic Materials ; Natural Materials ; Raw materials ; Recovery ; Reducing agents ; Roasting ; Silicon ; Slag ; Slags ; Steels ; Structural steels ; Surfaces and Interfaces ; Thin Films ; Tribology ; Weathering steels ; 回收效率 ; 技术条件 ; 最佳条件 ; 渣铁 ; 焙烧温度 ; 磁选矿 ; 还原剂 ; 铜渣</subject><ispartof>International journal of minerals, metallurgy and materials, 2013-11, Vol.20 (11), p.1035-1041</ispartof><rights>University of Science and Technology Beijing and Springer-Verlag Berlin Heidelberg 2013</rights><rights>University of Science and Technology Beijing and Springer-Verlag Berlin Heidelberg 2013.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c507t-28b476dc120794fa223ce04b34163611855ddf56aaa3e4b259dc09f2ca7c75a33</citedby><cites>FETCH-LOGICAL-c507t-28b476dc120794fa223ce04b34163611855ddf56aaa3e4b259dc09f2ca7c75a33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85313A/85313A.jpg</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12613-013-0831-3$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2919596918?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,776,780,21369,27903,27904,33723,33724,41467,42536,43784,51297</link.rule.ids></links><search><creatorcontrib>Li, Ke-qing</creatorcontrib><creatorcontrib>Ping, Shuo</creatorcontrib><creatorcontrib>Wang, Hong-yu</creatorcontrib><creatorcontrib>Ni, Wen</creatorcontrib><title>Recovery of iron from copper slag by deep reduction and magnetic beneficiation</title><title>International journal of minerals, metallurgy and materials</title><addtitle>Int J Miner Metall Mater</addtitle><addtitle>International Journal of Minerals,Metallurgy and Materials</addtitle><description>Aiming at recovering iron from high-iron-content copper slag, this article introduced a combination technol- ogy of deep reduction and magnetic beneficiation, investigated the iron recovery efficiency and optimized the technical conditions. When coke powder with 86wt% fixed carbon was used as a reductant, iron was successfully extracted from the copper slag. Under the optimized condition of the coke powder content of 14wt%, the calcium-to-silicon mass ratio （Ca/Si） of 0.2, the roasting temperature of 1300℃, the roasting time of 3 h, the grinding time of 20 min, and the magnetic field intensity of 61 kA-m-1, the iron recovery rate of the copper slag can reach 91.82%, and the extracted iron powder has an iron grade of 96.21%. With the characteristics of high iron grade and low impurity content, the extracted iron powder can be used as high-quality raw materials of weathering steel.</description><subject>Atmospheric corrosion</subject><subject>BENEFICIATION</subject><subject>Calcium</subject><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Coke</subject><subject>Composites</subject><subject>Copper</subject><subject>Corrosion and Coatings</subject><subject>Corrosion resistant steels</subject><subject>Glass</subject><subject>Iron</subject><subject>Iron and steel making</subject><subject>Magnetic fields</subject><subject>Magnetic flux</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>Natural Materials</subject><subject>Raw materials</subject><subject>Recovery</subject><subject>Reducing agents</subject><subject>Roasting</subject><subject>Silicon</subject><subject>Slag</subject><subject>Slags</subject><subject>Steels</subject><subject>Structural steels</subject><subject>Surfaces and Interfaces</subject><subject>Thin Films</subject><subject>Tribology</subject><subject>Weathering steels</subject><subject>回收效率</subject><subject>技术条件</subject><subject>最佳条件</subject><subject>渣铁</subject><subject>焙烧温度</subject><subject>磁选矿</subject><subject>还原剂</subject><subject>铜渣</subject><issn>1674-4799</issn><issn>1869-103X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNqNkU9r3DAQxU1poOmmH6A3hVxycaPRv7GOISRtYUkgpNCbkOXxxmHXciRvYL99bHZpoIe0h0GC-b15PF5RfAX-DTjHiwzCgCz5PJWEUn4ojqEytgQuf3-c_gZVqdDaT8XnnJ84N4gcj4vbewrxhdKOxZZ1KfasTXHDQhwGSiyv_YrVO9YQDSxRsw1jNyG-b9jGr3oau8Bq6qntQufn1Ulx1Pp1pi-Hd1H8url-uPpRLu--_7y6XJZBcxxLUdUKTRNAcLSq9ULIQFzVUoGRBqDSumlabbz3klQttG0Ct60IHgNqL-WiON_fHVJ83lIe3abLgdZr31PcZjfFRStB2-p_UNBKaKn_jWrBLWppzISe_YU-xW3qp8xOWLDaGguzN-ypkGLOiVo3pG7j084Bd3Nvbt-b4_NMvbk5mthr8sT2K0pvl98TnR6MHmO_ep50f5wUosTKoHwFSn2j1Q</recordid><startdate>20131101</startdate><enddate>20131101</enddate><creator>Li, Ke-qing</creator><creator>Ping, Shuo</creator><creator>Wang, Hong-yu</creator><creator>Ni, Wen</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>KB.</scope><scope>PCBAR</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>H8G</scope><scope>JG9</scope></search><sort><creationdate>20131101</creationdate><title>Recovery of iron from copper slag by deep reduction and magnetic beneficiation</title><author>Li, Ke-qing ; Ping, Shuo ; Wang, Hong-yu ; Ni, Wen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c507t-28b476dc120794fa223ce04b34163611855ddf56aaa3e4b259dc09f2ca7c75a33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Atmospheric corrosion</topic><topic>BENEFICIATION</topic><topic>Calcium</topic><topic>Ceramics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Coke</topic><topic>Composites</topic><topic>Copper</topic><topic>Corrosion and Coatings</topic><topic>Corrosion resistant steels</topic><topic>Glass</topic><topic>Iron</topic><topic>Iron and steel making</topic><topic>Magnetic fields</topic><topic>Magnetic flux</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>Natural Materials</topic><topic>Raw materials</topic><topic>Recovery</topic><topic>Reducing agents</topic><topic>Roasting</topic><topic>Silicon</topic><topic>Slag</topic><topic>Slags</topic><topic>Steels</topic><topic>Structural steels</topic><topic>Surfaces and Interfaces</topic><topic>Thin Films</topic><topic>Tribology</topic><topic>Weathering steels</topic><topic>回收效率</topic><topic>技术条件</topic><topic>最佳条件</topic><topic>渣铁</topic><topic>焙烧温度</topic><topic>磁选矿</topic><topic>还原剂</topic><topic>铜渣</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Ke-qing</creatorcontrib><creatorcontrib>Ping, Shuo</creatorcontrib><creatorcontrib>Wang, Hong-yu</creatorcontrib><creatorcontrib>Ni, Wen</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>Materials Science Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><jtitle>International journal of minerals, metallurgy and materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Li, Ke-qing</au><au>Ping, Shuo</au><au>Wang, Hong-yu</au><au>Ni, Wen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Recovery of iron from copper slag by deep reduction and magnetic beneficiation</atitle><jtitle>International journal of minerals, metallurgy and materials</jtitle><stitle>Int J Miner Metall Mater</stitle><addtitle>International Journal of Minerals,Metallurgy and Materials</addtitle><date>2013-11-01</date><risdate>2013</risdate><volume>20</volume><issue>11</issue><spage>1035</spage><epage>1041</epage><pages>1035-1041</pages><issn>1674-4799</issn><eissn>1869-103X</eissn><abstract>Aiming at recovering iron from high-iron-content copper slag, this article introduced a combination technol- ogy of deep reduction and magnetic beneficiation, investigated the iron recovery efficiency and optimized the technical conditions. When coke powder with 86wt% fixed carbon was used as a reductant, iron was successfully extracted from the copper slag. Under the optimized condition of the coke powder content of 14wt%, the calcium-to-silicon mass ratio （Ca/Si） of 0.2, the roasting temperature of 1300℃, the roasting time of 3 h, the grinding time of 20 min, and the magnetic field intensity of 61 kA-m-1, the iron recovery rate of the copper slag can reach 91.82%, and the extracted iron powder has an iron grade of 96.21%. With the characteristics of high iron grade and low impurity content, the extracted iron powder can be used as high-quality raw materials of weathering steel.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s12613-013-0831-3</doi><tpages>7</tpages></addata></record> |
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| subjects | Atmospheric corrosion BENEFICIATION Calcium Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Coke Composites Copper Corrosion and Coatings Corrosion resistant steels Glass Iron Iron and steel making Magnetic fields Magnetic flux Materials Science Metallic Materials Natural Materials Raw materials Recovery Reducing agents Roasting Silicon Slag Slags Steels Structural steels Surfaces and Interfaces Thin Films Tribology Weathering steels 回收效率 技术条件 最佳条件 渣铁 焙烧温度 磁选矿 还原剂 铜渣 |
| title | Recovery of iron from copper slag by deep reduction and magnetic beneficiation |
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