Beneficiation and Mullitization of Mishdovan Andalusite
The results of mineralogical studies by XRD, XRF and thin section techniques showed that the main minerals of the deposits (Bafgh-Yazd region, containing 5 – 10 percent sillimanite minerals group, with 18 – 20% $ Al_{2} $$ O_{3} $) were quartz, sillimanite, mica (biotite and muscovite), garnet, kyan...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Namiranian, A. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2014 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media New York 2014 |
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| Übergeordnetes Werk: |
Enthalten in: Refractories and industrial ceramics - Springer US, 1996, 55(2014), 4 vom: Nov., Seite 295-303 |
|---|---|
| Übergeordnetes Werk: |
volume:55 ; year:2014 ; number:4 ; month:11 ; pages:295-303 |
| Links: |
|---|
| DOI / URN: |
10.1007/s11148-014-9712-1 |
|---|
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OLC2071585666 |
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| 520 | |a The results of mineralogical studies by XRD, XRF and thin section techniques showed that the main minerals of the deposits (Bafgh-Yazd region, containing 5 – 10 percent sillimanite minerals group, with 18 – 20% $ Al_{2} $$ O_{3} $) were quartz, sillimanite, mica (biotite and muscovite), garnet, kyanite, andalusite and some opaque minerals. Mineral processing studies showed that the kyanite concentrate from this ore could be obtained by using different methods such as magnetic separation, vibrating table, and flotation. The results of experiments showed that a concentrate of 42% $ Al_{2} $$ O_{3} $ with 54% recovery was obtained by using a vibrating table. In order to separate iron-bearing minerals ($ Fe_{2} $$ O_{3} $ contents to less than 1%), the concentrate was processed by high-intensity magnetic separation. This increased the $ Al_{2} $$ O_{3} $ content to 62%. Applying the flotation method to the fine fraction of the sample (75 – 150 μm) yielded a concentrate containing 46.3% $ Al_{2} $$ O_{3} $, , with a recovery of 47.56%. The process of mullitization of kyanite concentrate was also studied under different heat-treatment conditions (1400 – 1600°C and 0.5 – 3.5 h) and with different particle sizes (38 – 300 μm). The results of microstructural and phase evolution studies by SEM and XRD showed that complete transformation of kyanite to mullite took place by means of heat treatment in the range 1500 – 1550°C over a period of 2.5 h. At 1550°C, the rates of mullitization and densification were increased as a result of a decrease in the materials’ particle size from 300 to 38 μm. | ||
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10.1007/s11148-014-9712-1 doi (DE-627)OLC2071585666 (DE-He213)s11148-014-9712-1-p DE-627 ger DE-627 rakwb eng 670 VZ Namiranian, A. verfasserin aut Beneficiation and Mullitization of Mishdovan Andalusite 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2014 The results of mineralogical studies by XRD, XRF and thin section techniques showed that the main minerals of the deposits (Bafgh-Yazd region, containing 5 – 10 percent sillimanite minerals group, with 18 – 20% $ Al_{2} $$ O_{3} $) were quartz, sillimanite, mica (biotite and muscovite), garnet, kyanite, andalusite and some opaque minerals. Mineral processing studies showed that the kyanite concentrate from this ore could be obtained by using different methods such as magnetic separation, vibrating table, and flotation. The results of experiments showed that a concentrate of 42% $ Al_{2} $$ O_{3} $ with 54% recovery was obtained by using a vibrating table. In order to separate iron-bearing minerals ($ Fe_{2} $$ O_{3} $ contents to less than 1%), the concentrate was processed by high-intensity magnetic separation. This increased the $ Al_{2} $$ O_{3} $ content to 62%. Applying the flotation method to the fine fraction of the sample (75 – 150 μm) yielded a concentrate containing 46.3% $ Al_{2} $$ O_{3} $, , with a recovery of 47.56%. The process of mullitization of kyanite concentrate was also studied under different heat-treatment conditions (1400 – 1600°C and 0.5 – 3.5 h) and with different particle sizes (38 – 300 μm). The results of microstructural and phase evolution studies by SEM and XRD showed that complete transformation of kyanite to mullite took place by means of heat treatment in the range 1500 – 1550°C over a period of 2.5 h. At 1550°C, the rates of mullitization and densification were increased as a result of a decrease in the materials’ particle size from 300 to 38 μm. kyanite magnetic separation vibrating table flotation mullitization Kalantar, M. aut Enthalten in Refractories and industrial ceramics Springer US, 1996 55(2014), 4 vom: Nov., Seite 295-303 (DE-627)216727669 (DE-600)1341032-5 (DE-576)055479030 1083-4877 nnns volume:55 year:2014 number:4 month:11 pages:295-303 https://doi.org/10.1007/s11148-014-9712-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 AR 55 2014 4 11 295-303 |
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10.1007/s11148-014-9712-1 doi (DE-627)OLC2071585666 (DE-He213)s11148-014-9712-1-p DE-627 ger DE-627 rakwb eng 670 VZ Namiranian, A. verfasserin aut Beneficiation and Mullitization of Mishdovan Andalusite 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2014 The results of mineralogical studies by XRD, XRF and thin section techniques showed that the main minerals of the deposits (Bafgh-Yazd region, containing 5 – 10 percent sillimanite minerals group, with 18 – 20% $ Al_{2} $$ O_{3} $) were quartz, sillimanite, mica (biotite and muscovite), garnet, kyanite, andalusite and some opaque minerals. Mineral processing studies showed that the kyanite concentrate from this ore could be obtained by using different methods such as magnetic separation, vibrating table, and flotation. The results of experiments showed that a concentrate of 42% $ Al_{2} $$ O_{3} $ with 54% recovery was obtained by using a vibrating table. In order to separate iron-bearing minerals ($ Fe_{2} $$ O_{3} $ contents to less than 1%), the concentrate was processed by high-intensity magnetic separation. This increased the $ Al_{2} $$ O_{3} $ content to 62%. Applying the flotation method to the fine fraction of the sample (75 – 150 μm) yielded a concentrate containing 46.3% $ Al_{2} $$ O_{3} $, , with a recovery of 47.56%. The process of mullitization of kyanite concentrate was also studied under different heat-treatment conditions (1400 – 1600°C and 0.5 – 3.5 h) and with different particle sizes (38 – 300 μm). The results of microstructural and phase evolution studies by SEM and XRD showed that complete transformation of kyanite to mullite took place by means of heat treatment in the range 1500 – 1550°C over a period of 2.5 h. At 1550°C, the rates of mullitization and densification were increased as a result of a decrease in the materials’ particle size from 300 to 38 μm. kyanite magnetic separation vibrating table flotation mullitization Kalantar, M. aut Enthalten in Refractories and industrial ceramics Springer US, 1996 55(2014), 4 vom: Nov., Seite 295-303 (DE-627)216727669 (DE-600)1341032-5 (DE-576)055479030 1083-4877 nnns volume:55 year:2014 number:4 month:11 pages:295-303 https://doi.org/10.1007/s11148-014-9712-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 AR 55 2014 4 11 295-303 |
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10.1007/s11148-014-9712-1 doi (DE-627)OLC2071585666 (DE-He213)s11148-014-9712-1-p DE-627 ger DE-627 rakwb eng 670 VZ Namiranian, A. verfasserin aut Beneficiation and Mullitization of Mishdovan Andalusite 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2014 The results of mineralogical studies by XRD, XRF and thin section techniques showed that the main minerals of the deposits (Bafgh-Yazd region, containing 5 – 10 percent sillimanite minerals group, with 18 – 20% $ Al_{2} $$ O_{3} $) were quartz, sillimanite, mica (biotite and muscovite), garnet, kyanite, andalusite and some opaque minerals. Mineral processing studies showed that the kyanite concentrate from this ore could be obtained by using different methods such as magnetic separation, vibrating table, and flotation. The results of experiments showed that a concentrate of 42% $ Al_{2} $$ O_{3} $ with 54% recovery was obtained by using a vibrating table. In order to separate iron-bearing minerals ($ Fe_{2} $$ O_{3} $ contents to less than 1%), the concentrate was processed by high-intensity magnetic separation. This increased the $ Al_{2} $$ O_{3} $ content to 62%. Applying the flotation method to the fine fraction of the sample (75 – 150 μm) yielded a concentrate containing 46.3% $ Al_{2} $$ O_{3} $, , with a recovery of 47.56%. The process of mullitization of kyanite concentrate was also studied under different heat-treatment conditions (1400 – 1600°C and 0.5 – 3.5 h) and with different particle sizes (38 – 300 μm). The results of microstructural and phase evolution studies by SEM and XRD showed that complete transformation of kyanite to mullite took place by means of heat treatment in the range 1500 – 1550°C over a period of 2.5 h. At 1550°C, the rates of mullitization and densification were increased as a result of a decrease in the materials’ particle size from 300 to 38 μm. kyanite magnetic separation vibrating table flotation mullitization Kalantar, M. aut Enthalten in Refractories and industrial ceramics Springer US, 1996 55(2014), 4 vom: Nov., Seite 295-303 (DE-627)216727669 (DE-600)1341032-5 (DE-576)055479030 1083-4877 nnns volume:55 year:2014 number:4 month:11 pages:295-303 https://doi.org/10.1007/s11148-014-9712-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 AR 55 2014 4 11 295-303 |
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10.1007/s11148-014-9712-1 doi (DE-627)OLC2071585666 (DE-He213)s11148-014-9712-1-p DE-627 ger DE-627 rakwb eng 670 VZ Namiranian, A. verfasserin aut Beneficiation and Mullitization of Mishdovan Andalusite 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2014 The results of mineralogical studies by XRD, XRF and thin section techniques showed that the main minerals of the deposits (Bafgh-Yazd region, containing 5 – 10 percent sillimanite minerals group, with 18 – 20% $ Al_{2} $$ O_{3} $) were quartz, sillimanite, mica (biotite and muscovite), garnet, kyanite, andalusite and some opaque minerals. Mineral processing studies showed that the kyanite concentrate from this ore could be obtained by using different methods such as magnetic separation, vibrating table, and flotation. The results of experiments showed that a concentrate of 42% $ Al_{2} $$ O_{3} $ with 54% recovery was obtained by using a vibrating table. In order to separate iron-bearing minerals ($ Fe_{2} $$ O_{3} $ contents to less than 1%), the concentrate was processed by high-intensity magnetic separation. This increased the $ Al_{2} $$ O_{3} $ content to 62%. Applying the flotation method to the fine fraction of the sample (75 – 150 μm) yielded a concentrate containing 46.3% $ Al_{2} $$ O_{3} $, , with a recovery of 47.56%. The process of mullitization of kyanite concentrate was also studied under different heat-treatment conditions (1400 – 1600°C and 0.5 – 3.5 h) and with different particle sizes (38 – 300 μm). The results of microstructural and phase evolution studies by SEM and XRD showed that complete transformation of kyanite to mullite took place by means of heat treatment in the range 1500 – 1550°C over a period of 2.5 h. At 1550°C, the rates of mullitization and densification were increased as a result of a decrease in the materials’ particle size from 300 to 38 μm. kyanite magnetic separation vibrating table flotation mullitization Kalantar, M. aut Enthalten in Refractories and industrial ceramics Springer US, 1996 55(2014), 4 vom: Nov., Seite 295-303 (DE-627)216727669 (DE-600)1341032-5 (DE-576)055479030 1083-4877 nnns volume:55 year:2014 number:4 month:11 pages:295-303 https://doi.org/10.1007/s11148-014-9712-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 AR 55 2014 4 11 295-303 |
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10.1007/s11148-014-9712-1 doi (DE-627)OLC2071585666 (DE-He213)s11148-014-9712-1-p DE-627 ger DE-627 rakwb eng 670 VZ Namiranian, A. verfasserin aut Beneficiation and Mullitization of Mishdovan Andalusite 2014 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media New York 2014 The results of mineralogical studies by XRD, XRF and thin section techniques showed that the main minerals of the deposits (Bafgh-Yazd region, containing 5 – 10 percent sillimanite minerals group, with 18 – 20% $ Al_{2} $$ O_{3} $) were quartz, sillimanite, mica (biotite and muscovite), garnet, kyanite, andalusite and some opaque minerals. Mineral processing studies showed that the kyanite concentrate from this ore could be obtained by using different methods such as magnetic separation, vibrating table, and flotation. The results of experiments showed that a concentrate of 42% $ Al_{2} $$ O_{3} $ with 54% recovery was obtained by using a vibrating table. In order to separate iron-bearing minerals ($ Fe_{2} $$ O_{3} $ contents to less than 1%), the concentrate was processed by high-intensity magnetic separation. This increased the $ Al_{2} $$ O_{3} $ content to 62%. Applying the flotation method to the fine fraction of the sample (75 – 150 μm) yielded a concentrate containing 46.3% $ Al_{2} $$ O_{3} $, , with a recovery of 47.56%. The process of mullitization of kyanite concentrate was also studied under different heat-treatment conditions (1400 – 1600°C and 0.5 – 3.5 h) and with different particle sizes (38 – 300 μm). The results of microstructural and phase evolution studies by SEM and XRD showed that complete transformation of kyanite to mullite took place by means of heat treatment in the range 1500 – 1550°C over a period of 2.5 h. At 1550°C, the rates of mullitization and densification were increased as a result of a decrease in the materials’ particle size from 300 to 38 μm. kyanite magnetic separation vibrating table flotation mullitization Kalantar, M. aut Enthalten in Refractories and industrial ceramics Springer US, 1996 55(2014), 4 vom: Nov., Seite 295-303 (DE-627)216727669 (DE-600)1341032-5 (DE-576)055479030 1083-4877 nnns volume:55 year:2014 number:4 month:11 pages:295-303 https://doi.org/10.1007/s11148-014-9712-1 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE GBV_ILN_70 AR 55 2014 4 11 295-303 |
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Beneficiation and Mullitization of Mishdovan Andalusite |
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(DE-627)OLC2071585666 (DE-He213)s11148-014-9712-1-p |
| title_full |
Beneficiation and Mullitization of Mishdovan Andalusite |
| author_sort |
Namiranian, A. |
| journal |
Refractories and industrial ceramics |
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Refractories and industrial ceramics |
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eng |
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600 - Technology |
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marc |
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2014 |
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txt |
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295 |
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Namiranian, A. Kalantar, M. |
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55 |
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670 VZ |
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Aufsätze |
| author-letter |
Namiranian, A. |
| doi_str_mv |
10.1007/s11148-014-9712-1 |
| dewey-full |
670 |
| title_sort |
beneficiation and mullitization of mishdovan andalusite |
| title_auth |
Beneficiation and Mullitization of Mishdovan Andalusite |
| abstract |
The results of mineralogical studies by XRD, XRF and thin section techniques showed that the main minerals of the deposits (Bafgh-Yazd region, containing 5 – 10 percent sillimanite minerals group, with 18 – 20% $ Al_{2} $$ O_{3} $) were quartz, sillimanite, mica (biotite and muscovite), garnet, kyanite, andalusite and some opaque minerals. Mineral processing studies showed that the kyanite concentrate from this ore could be obtained by using different methods such as magnetic separation, vibrating table, and flotation. The results of experiments showed that a concentrate of 42% $ Al_{2} $$ O_{3} $ with 54% recovery was obtained by using a vibrating table. In order to separate iron-bearing minerals ($ Fe_{2} $$ O_{3} $ contents to less than 1%), the concentrate was processed by high-intensity magnetic separation. This increased the $ Al_{2} $$ O_{3} $ content to 62%. Applying the flotation method to the fine fraction of the sample (75 – 150 μm) yielded a concentrate containing 46.3% $ Al_{2} $$ O_{3} $, , with a recovery of 47.56%. The process of mullitization of kyanite concentrate was also studied under different heat-treatment conditions (1400 – 1600°C and 0.5 – 3.5 h) and with different particle sizes (38 – 300 μm). The results of microstructural and phase evolution studies by SEM and XRD showed that complete transformation of kyanite to mullite took place by means of heat treatment in the range 1500 – 1550°C over a period of 2.5 h. At 1550°C, the rates of mullitization and densification were increased as a result of a decrease in the materials’ particle size from 300 to 38 μm. © Springer Science+Business Media New York 2014 |
| abstractGer |
The results of mineralogical studies by XRD, XRF and thin section techniques showed that the main minerals of the deposits (Bafgh-Yazd region, containing 5 – 10 percent sillimanite minerals group, with 18 – 20% $ Al_{2} $$ O_{3} $) were quartz, sillimanite, mica (biotite and muscovite), garnet, kyanite, andalusite and some opaque minerals. Mineral processing studies showed that the kyanite concentrate from this ore could be obtained by using different methods such as magnetic separation, vibrating table, and flotation. The results of experiments showed that a concentrate of 42% $ Al_{2} $$ O_{3} $ with 54% recovery was obtained by using a vibrating table. In order to separate iron-bearing minerals ($ Fe_{2} $$ O_{3} $ contents to less than 1%), the concentrate was processed by high-intensity magnetic separation. This increased the $ Al_{2} $$ O_{3} $ content to 62%. Applying the flotation method to the fine fraction of the sample (75 – 150 μm) yielded a concentrate containing 46.3% $ Al_{2} $$ O_{3} $, , with a recovery of 47.56%. The process of mullitization of kyanite concentrate was also studied under different heat-treatment conditions (1400 – 1600°C and 0.5 – 3.5 h) and with different particle sizes (38 – 300 μm). The results of microstructural and phase evolution studies by SEM and XRD showed that complete transformation of kyanite to mullite took place by means of heat treatment in the range 1500 – 1550°C over a period of 2.5 h. At 1550°C, the rates of mullitization and densification were increased as a result of a decrease in the materials’ particle size from 300 to 38 μm. © Springer Science+Business Media New York 2014 |
| abstract_unstemmed |
The results of mineralogical studies by XRD, XRF and thin section techniques showed that the main minerals of the deposits (Bafgh-Yazd region, containing 5 – 10 percent sillimanite minerals group, with 18 – 20% $ Al_{2} $$ O_{3} $) were quartz, sillimanite, mica (biotite and muscovite), garnet, kyanite, andalusite and some opaque minerals. Mineral processing studies showed that the kyanite concentrate from this ore could be obtained by using different methods such as magnetic separation, vibrating table, and flotation. The results of experiments showed that a concentrate of 42% $ Al_{2} $$ O_{3} $ with 54% recovery was obtained by using a vibrating table. In order to separate iron-bearing minerals ($ Fe_{2} $$ O_{3} $ contents to less than 1%), the concentrate was processed by high-intensity magnetic separation. This increased the $ Al_{2} $$ O_{3} $ content to 62%. Applying the flotation method to the fine fraction of the sample (75 – 150 μm) yielded a concentrate containing 46.3% $ Al_{2} $$ O_{3} $, , with a recovery of 47.56%. The process of mullitization of kyanite concentrate was also studied under different heat-treatment conditions (1400 – 1600°C and 0.5 – 3.5 h) and with different particle sizes (38 – 300 μm). The results of microstructural and phase evolution studies by SEM and XRD showed that complete transformation of kyanite to mullite took place by means of heat treatment in the range 1500 – 1550°C over a period of 2.5 h. At 1550°C, the rates of mullitization and densification were increased as a result of a decrease in the materials’ particle size from 300 to 38 μm. © Springer Science+Business Media New York 2014 |
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| title_short |
Beneficiation and Mullitization of Mishdovan Andalusite |
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https://doi.org/10.1007/s11148-014-9712-1 |
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Kalantar, M. |
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| up_date |
2024-07-04T03:47:13.200Z |
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