Investigation of the behavior of platinum-group elements during vitrification of model high-level wastes in application to an induction melter with a cold crucible
Conclusions In the process of vitrification of high-level wastes the platinum-group elements form at the calcination stage phases which have a limited solubility in the glass melts. If the dissolved part of the platinum-group elements, which at 1200–1300°C does not form more than 30% of their total...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Demin, A. V. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1995 |
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| Schlagwörter: |
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| Anmerkung: |
© Plenum Publishing Corporation 1995 |
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| Übergeordnetes Werk: |
Enthalten in: Atomic energy - Kluwer Academic Publishers-Plenum Publishers, 1992, 79(1995), 1 vom: Juli, Seite 443-446 |
|---|---|
| Übergeordnetes Werk: |
volume:79 ; year:1995 ; number:1 ; month:07 ; pages:443-446 |
| Links: |
|---|
| DOI / URN: |
10.1007/BF02406202 |
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| Katalog-ID: |
OLC2060844819 |
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| 520 | |a Conclusions In the process of vitrification of high-level wastes the platinum-group elements form at the calcination stage phases which have a limited solubility in the glass melts. If the dissolved part of the platinum-group elements, which at 1200–1300°C does not form more than 30% of their total concentration in the melt [3], is neglected, then apparently it can be assumed that the behavior of the dispersed particles of the platinum-group elements is determined by their thermodynamic stability, interaction with one another, and sedimentation, and the melts of the phosphate and borosilicate glasses play the role of an inert medium. Ruthenium dioxide and the solid solutions based on it, which contain up to 1.5% Ru, Rh, and Pd, are stable up to 1500°C. In the temperature range 1050–1200°C rhodium oxide and the solid solutions based on it, decompose and form metallic rhodium. Metallic palladium apparently forms at 800–900°C. In ceramic melters the temperature of the glass melt is equal to the temperature of the dispersed particles and the composition of the heterogeneous phase based on the platinum-group elements will be determined by the temperature chosen for performing the vitrification process. Induction heating results in local overheating of the electrically conducting dispersed particles by the high-frequency field and, irrespective of the process temperature, in the melt it forms alloys based on platinum-group elements. In summary, the local temperature of the dispersed particles will determine their phase composition, their density, and ultimately their rate of sedimentation and accumulation at the bottom of the melters. | ||
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10.1007/BF02406202 doi (DE-627)OLC2060844819 (DE-He213)BF02406202-p DE-627 ger DE-627 rakwb eng 530 VZ Demin, A. V. verfasserin aut Investigation of the behavior of platinum-group elements during vitrification of model high-level wastes in application to an induction melter with a cold crucible 1995 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1995 Conclusions In the process of vitrification of high-level wastes the platinum-group elements form at the calcination stage phases which have a limited solubility in the glass melts. If the dissolved part of the platinum-group elements, which at 1200–1300°C does not form more than 30% of their total concentration in the melt [3], is neglected, then apparently it can be assumed that the behavior of the dispersed particles of the platinum-group elements is determined by their thermodynamic stability, interaction with one another, and sedimentation, and the melts of the phosphate and borosilicate glasses play the role of an inert medium. Ruthenium dioxide and the solid solutions based on it, which contain up to 1.5% Ru, Rh, and Pd, are stable up to 1500°C. In the temperature range 1050–1200°C rhodium oxide and the solid solutions based on it, decompose and form metallic rhodium. Metallic palladium apparently forms at 800–900°C. In ceramic melters the temperature of the glass melt is equal to the temperature of the dispersed particles and the composition of the heterogeneous phase based on the platinum-group elements will be determined by the temperature chosen for performing the vitrification process. Induction heating results in local overheating of the electrically conducting dispersed particles by the high-frequency field and, irrespective of the process temperature, in the melt it forms alloys based on platinum-group elements. In summary, the local temperature of the dispersed particles will determine their phase composition, their density, and ultimately their rate of sedimentation and accumulation at the bottom of the melters. Palladium Ruthenium Disperse Particle Rhodium Induction Heating Matyunin, Yu. I. aut Enthalten in Atomic energy Kluwer Academic Publishers-Plenum Publishers, 1992 79(1995), 1 vom: Juli, Seite 443-446 (DE-627)17102916X (DE-600)1142004-2 (DE-576)033040583 1063-4258 nnns volume:79 year:1995 number:1 month:07 pages:443-446 https://doi.org/10.1007/BF02406202 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_2014 AR 79 1995 1 07 443-446 |
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10.1007/BF02406202 doi (DE-627)OLC2060844819 (DE-He213)BF02406202-p DE-627 ger DE-627 rakwb eng 530 VZ Demin, A. V. verfasserin aut Investigation of the behavior of platinum-group elements during vitrification of model high-level wastes in application to an induction melter with a cold crucible 1995 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1995 Conclusions In the process of vitrification of high-level wastes the platinum-group elements form at the calcination stage phases which have a limited solubility in the glass melts. If the dissolved part of the platinum-group elements, which at 1200–1300°C does not form more than 30% of their total concentration in the melt [3], is neglected, then apparently it can be assumed that the behavior of the dispersed particles of the platinum-group elements is determined by their thermodynamic stability, interaction with one another, and sedimentation, and the melts of the phosphate and borosilicate glasses play the role of an inert medium. Ruthenium dioxide and the solid solutions based on it, which contain up to 1.5% Ru, Rh, and Pd, are stable up to 1500°C. In the temperature range 1050–1200°C rhodium oxide and the solid solutions based on it, decompose and form metallic rhodium. Metallic palladium apparently forms at 800–900°C. In ceramic melters the temperature of the glass melt is equal to the temperature of the dispersed particles and the composition of the heterogeneous phase based on the platinum-group elements will be determined by the temperature chosen for performing the vitrification process. Induction heating results in local overheating of the electrically conducting dispersed particles by the high-frequency field and, irrespective of the process temperature, in the melt it forms alloys based on platinum-group elements. In summary, the local temperature of the dispersed particles will determine their phase composition, their density, and ultimately their rate of sedimentation and accumulation at the bottom of the melters. Palladium Ruthenium Disperse Particle Rhodium Induction Heating Matyunin, Yu. I. aut Enthalten in Atomic energy Kluwer Academic Publishers-Plenum Publishers, 1992 79(1995), 1 vom: Juli, Seite 443-446 (DE-627)17102916X (DE-600)1142004-2 (DE-576)033040583 1063-4258 nnns volume:79 year:1995 number:1 month:07 pages:443-446 https://doi.org/10.1007/BF02406202 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_2014 AR 79 1995 1 07 443-446 |
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10.1007/BF02406202 doi (DE-627)OLC2060844819 (DE-He213)BF02406202-p DE-627 ger DE-627 rakwb eng 530 VZ Demin, A. V. verfasserin aut Investigation of the behavior of platinum-group elements during vitrification of model high-level wastes in application to an induction melter with a cold crucible 1995 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1995 Conclusions In the process of vitrification of high-level wastes the platinum-group elements form at the calcination stage phases which have a limited solubility in the glass melts. If the dissolved part of the platinum-group elements, which at 1200–1300°C does not form more than 30% of their total concentration in the melt [3], is neglected, then apparently it can be assumed that the behavior of the dispersed particles of the platinum-group elements is determined by their thermodynamic stability, interaction with one another, and sedimentation, and the melts of the phosphate and borosilicate glasses play the role of an inert medium. Ruthenium dioxide and the solid solutions based on it, which contain up to 1.5% Ru, Rh, and Pd, are stable up to 1500°C. In the temperature range 1050–1200°C rhodium oxide and the solid solutions based on it, decompose and form metallic rhodium. Metallic palladium apparently forms at 800–900°C. In ceramic melters the temperature of the glass melt is equal to the temperature of the dispersed particles and the composition of the heterogeneous phase based on the platinum-group elements will be determined by the temperature chosen for performing the vitrification process. Induction heating results in local overheating of the electrically conducting dispersed particles by the high-frequency field and, irrespective of the process temperature, in the melt it forms alloys based on platinum-group elements. In summary, the local temperature of the dispersed particles will determine their phase composition, their density, and ultimately their rate of sedimentation and accumulation at the bottom of the melters. Palladium Ruthenium Disperse Particle Rhodium Induction Heating Matyunin, Yu. I. aut Enthalten in Atomic energy Kluwer Academic Publishers-Plenum Publishers, 1992 79(1995), 1 vom: Juli, Seite 443-446 (DE-627)17102916X (DE-600)1142004-2 (DE-576)033040583 1063-4258 nnns volume:79 year:1995 number:1 month:07 pages:443-446 https://doi.org/10.1007/BF02406202 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_2014 AR 79 1995 1 07 443-446 |
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10.1007/BF02406202 doi (DE-627)OLC2060844819 (DE-He213)BF02406202-p DE-627 ger DE-627 rakwb eng 530 VZ Demin, A. V. verfasserin aut Investigation of the behavior of platinum-group elements during vitrification of model high-level wastes in application to an induction melter with a cold crucible 1995 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1995 Conclusions In the process of vitrification of high-level wastes the platinum-group elements form at the calcination stage phases which have a limited solubility in the glass melts. If the dissolved part of the platinum-group elements, which at 1200–1300°C does not form more than 30% of their total concentration in the melt [3], is neglected, then apparently it can be assumed that the behavior of the dispersed particles of the platinum-group elements is determined by their thermodynamic stability, interaction with one another, and sedimentation, and the melts of the phosphate and borosilicate glasses play the role of an inert medium. Ruthenium dioxide and the solid solutions based on it, which contain up to 1.5% Ru, Rh, and Pd, are stable up to 1500°C. In the temperature range 1050–1200°C rhodium oxide and the solid solutions based on it, decompose and form metallic rhodium. Metallic palladium apparently forms at 800–900°C. In ceramic melters the temperature of the glass melt is equal to the temperature of the dispersed particles and the composition of the heterogeneous phase based on the platinum-group elements will be determined by the temperature chosen for performing the vitrification process. Induction heating results in local overheating of the electrically conducting dispersed particles by the high-frequency field and, irrespective of the process temperature, in the melt it forms alloys based on platinum-group elements. In summary, the local temperature of the dispersed particles will determine their phase composition, their density, and ultimately their rate of sedimentation and accumulation at the bottom of the melters. Palladium Ruthenium Disperse Particle Rhodium Induction Heating Matyunin, Yu. I. aut Enthalten in Atomic energy Kluwer Academic Publishers-Plenum Publishers, 1992 79(1995), 1 vom: Juli, Seite 443-446 (DE-627)17102916X (DE-600)1142004-2 (DE-576)033040583 1063-4258 nnns volume:79 year:1995 number:1 month:07 pages:443-446 https://doi.org/10.1007/BF02406202 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_2014 AR 79 1995 1 07 443-446 |
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10.1007/BF02406202 doi (DE-627)OLC2060844819 (DE-He213)BF02406202-p DE-627 ger DE-627 rakwb eng 530 VZ Demin, A. V. verfasserin aut Investigation of the behavior of platinum-group elements during vitrification of model high-level wastes in application to an induction melter with a cold crucible 1995 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Plenum Publishing Corporation 1995 Conclusions In the process of vitrification of high-level wastes the platinum-group elements form at the calcination stage phases which have a limited solubility in the glass melts. If the dissolved part of the platinum-group elements, which at 1200–1300°C does not form more than 30% of their total concentration in the melt [3], is neglected, then apparently it can be assumed that the behavior of the dispersed particles of the platinum-group elements is determined by their thermodynamic stability, interaction with one another, and sedimentation, and the melts of the phosphate and borosilicate glasses play the role of an inert medium. Ruthenium dioxide and the solid solutions based on it, which contain up to 1.5% Ru, Rh, and Pd, are stable up to 1500°C. In the temperature range 1050–1200°C rhodium oxide and the solid solutions based on it, decompose and form metallic rhodium. Metallic palladium apparently forms at 800–900°C. In ceramic melters the temperature of the glass melt is equal to the temperature of the dispersed particles and the composition of the heterogeneous phase based on the platinum-group elements will be determined by the temperature chosen for performing the vitrification process. Induction heating results in local overheating of the electrically conducting dispersed particles by the high-frequency field and, irrespective of the process temperature, in the melt it forms alloys based on platinum-group elements. In summary, the local temperature of the dispersed particles will determine their phase composition, their density, and ultimately their rate of sedimentation and accumulation at the bottom of the melters. Palladium Ruthenium Disperse Particle Rhodium Induction Heating Matyunin, Yu. I. aut Enthalten in Atomic energy Kluwer Academic Publishers-Plenum Publishers, 1992 79(1995), 1 vom: Juli, Seite 443-446 (DE-627)17102916X (DE-600)1142004-2 (DE-576)033040583 1063-4258 nnns volume:79 year:1995 number:1 month:07 pages:443-446 https://doi.org/10.1007/BF02406202 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-PHY GBV_ILN_70 GBV_ILN_2014 AR 79 1995 1 07 443-446 |
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investigation of the behavior of platinum-group elements during vitrification of model high-level wastes in application to an induction melter with a cold crucible |
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Investigation of the behavior of platinum-group elements during vitrification of model high-level wastes in application to an induction melter with a cold crucible |
| abstract |
Conclusions In the process of vitrification of high-level wastes the platinum-group elements form at the calcination stage phases which have a limited solubility in the glass melts. If the dissolved part of the platinum-group elements, which at 1200–1300°C does not form more than 30% of their total concentration in the melt [3], is neglected, then apparently it can be assumed that the behavior of the dispersed particles of the platinum-group elements is determined by their thermodynamic stability, interaction with one another, and sedimentation, and the melts of the phosphate and borosilicate glasses play the role of an inert medium. Ruthenium dioxide and the solid solutions based on it, which contain up to 1.5% Ru, Rh, and Pd, are stable up to 1500°C. In the temperature range 1050–1200°C rhodium oxide and the solid solutions based on it, decompose and form metallic rhodium. Metallic palladium apparently forms at 800–900°C. In ceramic melters the temperature of the glass melt is equal to the temperature of the dispersed particles and the composition of the heterogeneous phase based on the platinum-group elements will be determined by the temperature chosen for performing the vitrification process. Induction heating results in local overheating of the electrically conducting dispersed particles by the high-frequency field and, irrespective of the process temperature, in the melt it forms alloys based on platinum-group elements. In summary, the local temperature of the dispersed particles will determine their phase composition, their density, and ultimately their rate of sedimentation and accumulation at the bottom of the melters. © Plenum Publishing Corporation 1995 |
| abstractGer |
Conclusions In the process of vitrification of high-level wastes the platinum-group elements form at the calcination stage phases which have a limited solubility in the glass melts. If the dissolved part of the platinum-group elements, which at 1200–1300°C does not form more than 30% of their total concentration in the melt [3], is neglected, then apparently it can be assumed that the behavior of the dispersed particles of the platinum-group elements is determined by their thermodynamic stability, interaction with one another, and sedimentation, and the melts of the phosphate and borosilicate glasses play the role of an inert medium. Ruthenium dioxide and the solid solutions based on it, which contain up to 1.5% Ru, Rh, and Pd, are stable up to 1500°C. In the temperature range 1050–1200°C rhodium oxide and the solid solutions based on it, decompose and form metallic rhodium. Metallic palladium apparently forms at 800–900°C. In ceramic melters the temperature of the glass melt is equal to the temperature of the dispersed particles and the composition of the heterogeneous phase based on the platinum-group elements will be determined by the temperature chosen for performing the vitrification process. Induction heating results in local overheating of the electrically conducting dispersed particles by the high-frequency field and, irrespective of the process temperature, in the melt it forms alloys based on platinum-group elements. In summary, the local temperature of the dispersed particles will determine their phase composition, their density, and ultimately their rate of sedimentation and accumulation at the bottom of the melters. © Plenum Publishing Corporation 1995 |
| abstract_unstemmed |
Conclusions In the process of vitrification of high-level wastes the platinum-group elements form at the calcination stage phases which have a limited solubility in the glass melts. If the dissolved part of the platinum-group elements, which at 1200–1300°C does not form more than 30% of their total concentration in the melt [3], is neglected, then apparently it can be assumed that the behavior of the dispersed particles of the platinum-group elements is determined by their thermodynamic stability, interaction with one another, and sedimentation, and the melts of the phosphate and borosilicate glasses play the role of an inert medium. Ruthenium dioxide and the solid solutions based on it, which contain up to 1.5% Ru, Rh, and Pd, are stable up to 1500°C. In the temperature range 1050–1200°C rhodium oxide and the solid solutions based on it, decompose and form metallic rhodium. Metallic palladium apparently forms at 800–900°C. In ceramic melters the temperature of the glass melt is equal to the temperature of the dispersed particles and the composition of the heterogeneous phase based on the platinum-group elements will be determined by the temperature chosen for performing the vitrification process. Induction heating results in local overheating of the electrically conducting dispersed particles by the high-frequency field and, irrespective of the process temperature, in the melt it forms alloys based on platinum-group elements. In summary, the local temperature of the dispersed particles will determine their phase composition, their density, and ultimately their rate of sedimentation and accumulation at the bottom of the melters. © Plenum Publishing Corporation 1995 |
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Investigation of the behavior of platinum-group elements during vitrification of model high-level wastes in application to an induction melter with a cold crucible |
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https://doi.org/10.1007/BF02406202 |
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Matyunin, Yu. I. |
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