Mechanism of Mineral Phase Reconstruction for Improving the Beneficiation of Copper and Iron from Copper Slag
Abstract To maximize the recovery of iron and copper from copper slag, the modification process by adding a compound additive (a mixture of hematite, pyrite and manganous oxide) and optimizing the cooling of the slag was studied. The phase reconstruction mechanism of the slag modification process wa...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Guo, Zhengqi [verfasserIn] |
|---|
| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Anmerkung: |
© The Minerals, Metals & Materials Society 2016 |
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| Übergeordnetes Werk: |
Enthalten in: JOM - Springer US, 1989, 68(2016), 9 vom: 02. Aug., Seite 2341-2348 |
|---|---|
| Übergeordnetes Werk: |
volume:68 ; year:2016 ; number:9 ; day:02 ; month:08 ; pages:2341-2348 |
| Links: |
|---|
| DOI / URN: |
10.1007/s11837-016-2048-1 |
|---|
| Katalog-ID: |
OLC2059932114 |
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| 520 | |a Abstract To maximize the recovery of iron and copper from copper slag, the modification process by adding a compound additive (a mixture of hematite, pyrite and manganous oxide) and optimizing the cooling of the slag was studied. The phase reconstruction mechanism of the slag modification process was revealed by thermodynamic calculations, x-ray diffraction, optical microscopy and scanning electron microscopy. The results show that the synergy between the burnt lime and the compound additive promotes the generation of target minerals, such as magnetite and copper matte. In addition, the multifunctional compound additive is able to improve the fluidity of the molten slag, which facilitates the coalescence and growth of fine particles of the target minerals. As a result, the percentage of iron distributed in the form of magnetite increased from 32.9% to 65.1%, and that of the copper exiting in the form of metallic copper and copper sulfide simultaneously increased from 80.0% to 90.3%. Meanwhile, the grains of the target minerals in the modified slag grew markedly to a mean size of over 50 μm after slow cooling. Ultimately, the beneficiation efficiency of copper and iron was improved because of the ease with which the target minerals could be liberated. | ||
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10.1007/s11837-016-2048-1 doi (DE-627)OLC2059932114 (DE-He213)s11837-016-2048-1-p DE-627 ger DE-627 rakwb eng 670 VZ 19,1 ssgn Guo, Zhengqi verfasserin aut Mechanism of Mineral Phase Reconstruction for Improving the Beneficiation of Copper and Iron from Copper Slag 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society 2016 Abstract To maximize the recovery of iron and copper from copper slag, the modification process by adding a compound additive (a mixture of hematite, pyrite and manganous oxide) and optimizing the cooling of the slag was studied. The phase reconstruction mechanism of the slag modification process was revealed by thermodynamic calculations, x-ray diffraction, optical microscopy and scanning electron microscopy. The results show that the synergy between the burnt lime and the compound additive promotes the generation of target minerals, such as magnetite and copper matte. In addition, the multifunctional compound additive is able to improve the fluidity of the molten slag, which facilitates the coalescence and growth of fine particles of the target minerals. As a result, the percentage of iron distributed in the form of magnetite increased from 32.9% to 65.1%, and that of the copper exiting in the form of metallic copper and copper sulfide simultaneously increased from 80.0% to 90.3%. Meanwhile, the grains of the target minerals in the modified slag grew markedly to a mean size of over 50 μm after slow cooling. Ultimately, the beneficiation efficiency of copper and iron was improved because of the ease with which the target minerals could be liberated. Magnetite Copper Oxide Fayalite Metallic Copper Copper Sulfide Zhu, Deqing aut Pan, Jan aut Zhang, Feng aut Enthalten in JOM Springer US, 1989 68(2016), 9 vom: 02. Aug., Seite 2341-2348 (DE-627)130823368 (DE-600)1015034-1 (DE-576)023064358 0148-6608 nnns volume:68 year:2016 number:9 day:02 month:08 pages:2341-2348 https://doi.org/10.1007/s11837-016-2048-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_30 GBV_ILN_70 AR 68 2016 9 02 08 2341-2348 |
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10.1007/s11837-016-2048-1 doi (DE-627)OLC2059932114 (DE-He213)s11837-016-2048-1-p DE-627 ger DE-627 rakwb eng 670 VZ 19,1 ssgn Guo, Zhengqi verfasserin aut Mechanism of Mineral Phase Reconstruction for Improving the Beneficiation of Copper and Iron from Copper Slag 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society 2016 Abstract To maximize the recovery of iron and copper from copper slag, the modification process by adding a compound additive (a mixture of hematite, pyrite and manganous oxide) and optimizing the cooling of the slag was studied. The phase reconstruction mechanism of the slag modification process was revealed by thermodynamic calculations, x-ray diffraction, optical microscopy and scanning electron microscopy. The results show that the synergy between the burnt lime and the compound additive promotes the generation of target minerals, such as magnetite and copper matte. In addition, the multifunctional compound additive is able to improve the fluidity of the molten slag, which facilitates the coalescence and growth of fine particles of the target minerals. As a result, the percentage of iron distributed in the form of magnetite increased from 32.9% to 65.1%, and that of the copper exiting in the form of metallic copper and copper sulfide simultaneously increased from 80.0% to 90.3%. Meanwhile, the grains of the target minerals in the modified slag grew markedly to a mean size of over 50 μm after slow cooling. Ultimately, the beneficiation efficiency of copper and iron was improved because of the ease with which the target minerals could be liberated. Magnetite Copper Oxide Fayalite Metallic Copper Copper Sulfide Zhu, Deqing aut Pan, Jan aut Zhang, Feng aut Enthalten in JOM Springer US, 1989 68(2016), 9 vom: 02. Aug., Seite 2341-2348 (DE-627)130823368 (DE-600)1015034-1 (DE-576)023064358 0148-6608 nnns volume:68 year:2016 number:9 day:02 month:08 pages:2341-2348 https://doi.org/10.1007/s11837-016-2048-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_30 GBV_ILN_70 AR 68 2016 9 02 08 2341-2348 |
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10.1007/s11837-016-2048-1 doi (DE-627)OLC2059932114 (DE-He213)s11837-016-2048-1-p DE-627 ger DE-627 rakwb eng 670 VZ 19,1 ssgn Guo, Zhengqi verfasserin aut Mechanism of Mineral Phase Reconstruction for Improving the Beneficiation of Copper and Iron from Copper Slag 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society 2016 Abstract To maximize the recovery of iron and copper from copper slag, the modification process by adding a compound additive (a mixture of hematite, pyrite and manganous oxide) and optimizing the cooling of the slag was studied. The phase reconstruction mechanism of the slag modification process was revealed by thermodynamic calculations, x-ray diffraction, optical microscopy and scanning electron microscopy. The results show that the synergy between the burnt lime and the compound additive promotes the generation of target minerals, such as magnetite and copper matte. In addition, the multifunctional compound additive is able to improve the fluidity of the molten slag, which facilitates the coalescence and growth of fine particles of the target minerals. As a result, the percentage of iron distributed in the form of magnetite increased from 32.9% to 65.1%, and that of the copper exiting in the form of metallic copper and copper sulfide simultaneously increased from 80.0% to 90.3%. Meanwhile, the grains of the target minerals in the modified slag grew markedly to a mean size of over 50 μm after slow cooling. Ultimately, the beneficiation efficiency of copper and iron was improved because of the ease with which the target minerals could be liberated. Magnetite Copper Oxide Fayalite Metallic Copper Copper Sulfide Zhu, Deqing aut Pan, Jan aut Zhang, Feng aut Enthalten in JOM Springer US, 1989 68(2016), 9 vom: 02. Aug., Seite 2341-2348 (DE-627)130823368 (DE-600)1015034-1 (DE-576)023064358 0148-6608 nnns volume:68 year:2016 number:9 day:02 month:08 pages:2341-2348 https://doi.org/10.1007/s11837-016-2048-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_30 GBV_ILN_70 AR 68 2016 9 02 08 2341-2348 |
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10.1007/s11837-016-2048-1 doi (DE-627)OLC2059932114 (DE-He213)s11837-016-2048-1-p DE-627 ger DE-627 rakwb eng 670 VZ 19,1 ssgn Guo, Zhengqi verfasserin aut Mechanism of Mineral Phase Reconstruction for Improving the Beneficiation of Copper and Iron from Copper Slag 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society 2016 Abstract To maximize the recovery of iron and copper from copper slag, the modification process by adding a compound additive (a mixture of hematite, pyrite and manganous oxide) and optimizing the cooling of the slag was studied. The phase reconstruction mechanism of the slag modification process was revealed by thermodynamic calculations, x-ray diffraction, optical microscopy and scanning electron microscopy. The results show that the synergy between the burnt lime and the compound additive promotes the generation of target minerals, such as magnetite and copper matte. In addition, the multifunctional compound additive is able to improve the fluidity of the molten slag, which facilitates the coalescence and growth of fine particles of the target minerals. As a result, the percentage of iron distributed in the form of magnetite increased from 32.9% to 65.1%, and that of the copper exiting in the form of metallic copper and copper sulfide simultaneously increased from 80.0% to 90.3%. Meanwhile, the grains of the target minerals in the modified slag grew markedly to a mean size of over 50 μm after slow cooling. Ultimately, the beneficiation efficiency of copper and iron was improved because of the ease with which the target minerals could be liberated. Magnetite Copper Oxide Fayalite Metallic Copper Copper Sulfide Zhu, Deqing aut Pan, Jan aut Zhang, Feng aut Enthalten in JOM Springer US, 1989 68(2016), 9 vom: 02. Aug., Seite 2341-2348 (DE-627)130823368 (DE-600)1015034-1 (DE-576)023064358 0148-6608 nnns volume:68 year:2016 number:9 day:02 month:08 pages:2341-2348 https://doi.org/10.1007/s11837-016-2048-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_30 GBV_ILN_70 AR 68 2016 9 02 08 2341-2348 |
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10.1007/s11837-016-2048-1 doi (DE-627)OLC2059932114 (DE-He213)s11837-016-2048-1-p DE-627 ger DE-627 rakwb eng 670 VZ 19,1 ssgn Guo, Zhengqi verfasserin aut Mechanism of Mineral Phase Reconstruction for Improving the Beneficiation of Copper and Iron from Copper Slag 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © The Minerals, Metals & Materials Society 2016 Abstract To maximize the recovery of iron and copper from copper slag, the modification process by adding a compound additive (a mixture of hematite, pyrite and manganous oxide) and optimizing the cooling of the slag was studied. The phase reconstruction mechanism of the slag modification process was revealed by thermodynamic calculations, x-ray diffraction, optical microscopy and scanning electron microscopy. The results show that the synergy between the burnt lime and the compound additive promotes the generation of target minerals, such as magnetite and copper matte. In addition, the multifunctional compound additive is able to improve the fluidity of the molten slag, which facilitates the coalescence and growth of fine particles of the target minerals. As a result, the percentage of iron distributed in the form of magnetite increased from 32.9% to 65.1%, and that of the copper exiting in the form of metallic copper and copper sulfide simultaneously increased from 80.0% to 90.3%. Meanwhile, the grains of the target minerals in the modified slag grew markedly to a mean size of over 50 μm after slow cooling. Ultimately, the beneficiation efficiency of copper and iron was improved because of the ease with which the target minerals could be liberated. Magnetite Copper Oxide Fayalite Metallic Copper Copper Sulfide Zhu, Deqing aut Pan, Jan aut Zhang, Feng aut Enthalten in JOM Springer US, 1989 68(2016), 9 vom: 02. Aug., Seite 2341-2348 (DE-627)130823368 (DE-600)1015034-1 (DE-576)023064358 0148-6608 nnns volume:68 year:2016 number:9 day:02 month:08 pages:2341-2348 https://doi.org/10.1007/s11837-016-2048-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC GBV_ILN_20 GBV_ILN_30 GBV_ILN_70 AR 68 2016 9 02 08 2341-2348 |
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Mechanism of Mineral Phase Reconstruction for Improving the Beneficiation of Copper and Iron from Copper Slag |
| abstract |
Abstract To maximize the recovery of iron and copper from copper slag, the modification process by adding a compound additive (a mixture of hematite, pyrite and manganous oxide) and optimizing the cooling of the slag was studied. The phase reconstruction mechanism of the slag modification process was revealed by thermodynamic calculations, x-ray diffraction, optical microscopy and scanning electron microscopy. The results show that the synergy between the burnt lime and the compound additive promotes the generation of target minerals, such as magnetite and copper matte. In addition, the multifunctional compound additive is able to improve the fluidity of the molten slag, which facilitates the coalescence and growth of fine particles of the target minerals. As a result, the percentage of iron distributed in the form of magnetite increased from 32.9% to 65.1%, and that of the copper exiting in the form of metallic copper and copper sulfide simultaneously increased from 80.0% to 90.3%. Meanwhile, the grains of the target minerals in the modified slag grew markedly to a mean size of over 50 μm after slow cooling. Ultimately, the beneficiation efficiency of copper and iron was improved because of the ease with which the target minerals could be liberated. © The Minerals, Metals & Materials Society 2016 |
| abstractGer |
Abstract To maximize the recovery of iron and copper from copper slag, the modification process by adding a compound additive (a mixture of hematite, pyrite and manganous oxide) and optimizing the cooling of the slag was studied. The phase reconstruction mechanism of the slag modification process was revealed by thermodynamic calculations, x-ray diffraction, optical microscopy and scanning electron microscopy. The results show that the synergy between the burnt lime and the compound additive promotes the generation of target minerals, such as magnetite and copper matte. In addition, the multifunctional compound additive is able to improve the fluidity of the molten slag, which facilitates the coalescence and growth of fine particles of the target minerals. As a result, the percentage of iron distributed in the form of magnetite increased from 32.9% to 65.1%, and that of the copper exiting in the form of metallic copper and copper sulfide simultaneously increased from 80.0% to 90.3%. Meanwhile, the grains of the target minerals in the modified slag grew markedly to a mean size of over 50 μm after slow cooling. Ultimately, the beneficiation efficiency of copper and iron was improved because of the ease with which the target minerals could be liberated. © The Minerals, Metals & Materials Society 2016 |
| abstract_unstemmed |
Abstract To maximize the recovery of iron and copper from copper slag, the modification process by adding a compound additive (a mixture of hematite, pyrite and manganous oxide) and optimizing the cooling of the slag was studied. The phase reconstruction mechanism of the slag modification process was revealed by thermodynamic calculations, x-ray diffraction, optical microscopy and scanning electron microscopy. The results show that the synergy between the burnt lime and the compound additive promotes the generation of target minerals, such as magnetite and copper matte. In addition, the multifunctional compound additive is able to improve the fluidity of the molten slag, which facilitates the coalescence and growth of fine particles of the target minerals. As a result, the percentage of iron distributed in the form of magnetite increased from 32.9% to 65.1%, and that of the copper exiting in the form of metallic copper and copper sulfide simultaneously increased from 80.0% to 90.3%. Meanwhile, the grains of the target minerals in the modified slag grew markedly to a mean size of over 50 μm after slow cooling. Ultimately, the beneficiation efficiency of copper and iron was improved because of the ease with which the target minerals could be liberated. © The Minerals, Metals & Materials Society 2016 |
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| title_short |
Mechanism of Mineral Phase Reconstruction for Improving the Beneficiation of Copper and Iron from Copper Slag |
| url |
https://doi.org/10.1007/s11837-016-2048-1 |
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| author2 |
Zhu, Deqing Pan, Jan Zhang, Feng |
| author2Str |
Zhu, Deqing Pan, Jan Zhang, Feng |
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| doi_str |
10.1007/s11837-016-2048-1 |
| up_date |
2024-07-03T23:46:18.873Z |
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