Properties of wood chips for thermomechanical pulp (TMP) production as a function of spout angle
Abstract Spruce wood chips were produced under well-controlled conditions in a laboratory wood chipper at spout angles of 30°, 40°, and 50° at a cutting rate of 20 m $ s^{-1} $ and with a nominal chip length of 25 mm. The chips were then refined under thermomechanical pulp (TMP) conditions in a pilo...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Hellström, Lisbeth M. [verfasserIn] |
|---|
| Format: |
Artikel |
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| Erschienen: |
2011 |
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| Anmerkung: |
©2011 by Walter de Gruyter Berlin Boston |
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| Übergeordnetes Werk: |
Enthalten in: Holzforschung - Walter de Gruyter, 1947, 65(2011), 6 vom: 09. Sept., Seite 805-809 |
|---|---|
| Übergeordnetes Werk: |
volume:65 ; year:2011 ; number:6 ; day:09 ; month:09 ; pages:805-809 |
| Links: |
|---|
| DOI / URN: |
10.1515/HF.2011.087 |
|---|
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OLC2135283053 |
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| 520 | |a Abstract Spruce wood chips were produced under well-controlled conditions in a laboratory wood chipper at spout angles of 30°, 40°, and 50° at a cutting rate of 20 m $ s^{-1} $ and with a nominal chip length of 25 mm. The chips were then refined under thermomechanical pulp (TMP) conditions in a pilot refiner plant. The pulp properties such as freeness, average fiber length, and shives content were determined and evaluated as a function of specific energy consumption. For a first stage refining and for a freeness value of 350 ml, a decrease in specific electrical energy consumption could be achieved by performing the wood chipping at a spout angle of 50° as compared to 30° which is the spout angle commonly used. A patent application regarding this method has been filed and is pending. It is realized that a freeness value is not directly indicative of any quality measure, such as, for example tensile index and light scattering coefficient but the obtained results can be interpreted to be promising. Further studies are needed regarding the impact of the modified chipping process. | ||
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10.1515/HF.2011.087 doi (DE-627)OLC2135283053 (DE-B1597)HF.2011.087-p DE-627 ger DE-627 rakwb 620 VZ 670 VZ 23 ssgn Hellström, Lisbeth M. verfasserin aut Properties of wood chips for thermomechanical pulp (TMP) production as a function of spout angle 2011 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier ©2011 by Walter de Gruyter Berlin Boston Abstract Spruce wood chips were produced under well-controlled conditions in a laboratory wood chipper at spout angles of 30°, 40°, and 50° at a cutting rate of 20 m $ s^{-1} $ and with a nominal chip length of 25 mm. The chips were then refined under thermomechanical pulp (TMP) conditions in a pilot refiner plant. The pulp properties such as freeness, average fiber length, and shives content were determined and evaluated as a function of specific energy consumption. For a first stage refining and for a freeness value of 350 ml, a decrease in specific electrical energy consumption could be achieved by performing the wood chipping at a spout angle of 50° as compared to 30° which is the spout angle commonly used. A patent application regarding this method has been filed and is pending. It is realized that a freeness value is not directly indicative of any quality measure, such as, for example tensile index and light scattering coefficient but the obtained results can be interpreted to be promising. Further studies are needed regarding the impact of the modified chipping process. Gradin, Per A. aut Engstrand, Per aut Gregersen, Øyvind aut Enthalten in Holzforschung Walter de Gruyter, 1947 65(2011), 6 vom: 09. Sept., Seite 805-809 (DE-627)129594938 (DE-600)240587-8 (DE-576)015087832 0018-3830 nnns volume:65 year:2011 number:6 day:09 month:09 pages:805-809 https://doi.org/10.1515/HF.2011.087 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_2542 GBV_ILN_4036 GBV_ILN_4277 GBV_ILN_4330 AR 65 2011 6 09 09 805-809 |
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10.1515/HF.2011.087 doi (DE-627)OLC2135283053 (DE-B1597)HF.2011.087-p DE-627 ger DE-627 rakwb 620 VZ 670 VZ 23 ssgn Hellström, Lisbeth M. verfasserin aut Properties of wood chips for thermomechanical pulp (TMP) production as a function of spout angle 2011 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier ©2011 by Walter de Gruyter Berlin Boston Abstract Spruce wood chips were produced under well-controlled conditions in a laboratory wood chipper at spout angles of 30°, 40°, and 50° at a cutting rate of 20 m $ s^{-1} $ and with a nominal chip length of 25 mm. The chips were then refined under thermomechanical pulp (TMP) conditions in a pilot refiner plant. The pulp properties such as freeness, average fiber length, and shives content were determined and evaluated as a function of specific energy consumption. For a first stage refining and for a freeness value of 350 ml, a decrease in specific electrical energy consumption could be achieved by performing the wood chipping at a spout angle of 50° as compared to 30° which is the spout angle commonly used. A patent application regarding this method has been filed and is pending. It is realized that a freeness value is not directly indicative of any quality measure, such as, for example tensile index and light scattering coefficient but the obtained results can be interpreted to be promising. Further studies are needed regarding the impact of the modified chipping process. Gradin, Per A. aut Engstrand, Per aut Gregersen, Øyvind aut Enthalten in Holzforschung Walter de Gruyter, 1947 65(2011), 6 vom: 09. Sept., Seite 805-809 (DE-627)129594938 (DE-600)240587-8 (DE-576)015087832 0018-3830 nnns volume:65 year:2011 number:6 day:09 month:09 pages:805-809 https://doi.org/10.1515/HF.2011.087 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_2542 GBV_ILN_4036 GBV_ILN_4277 GBV_ILN_4330 AR 65 2011 6 09 09 805-809 |
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10.1515/HF.2011.087 doi (DE-627)OLC2135283053 (DE-B1597)HF.2011.087-p DE-627 ger DE-627 rakwb 620 VZ 670 VZ 23 ssgn Hellström, Lisbeth M. verfasserin aut Properties of wood chips for thermomechanical pulp (TMP) production as a function of spout angle 2011 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier ©2011 by Walter de Gruyter Berlin Boston Abstract Spruce wood chips were produced under well-controlled conditions in a laboratory wood chipper at spout angles of 30°, 40°, and 50° at a cutting rate of 20 m $ s^{-1} $ and with a nominal chip length of 25 mm. The chips were then refined under thermomechanical pulp (TMP) conditions in a pilot refiner plant. The pulp properties such as freeness, average fiber length, and shives content were determined and evaluated as a function of specific energy consumption. For a first stage refining and for a freeness value of 350 ml, a decrease in specific electrical energy consumption could be achieved by performing the wood chipping at a spout angle of 50° as compared to 30° which is the spout angle commonly used. A patent application regarding this method has been filed and is pending. It is realized that a freeness value is not directly indicative of any quality measure, such as, for example tensile index and light scattering coefficient but the obtained results can be interpreted to be promising. Further studies are needed regarding the impact of the modified chipping process. Gradin, Per A. aut Engstrand, Per aut Gregersen, Øyvind aut Enthalten in Holzforschung Walter de Gruyter, 1947 65(2011), 6 vom: 09. Sept., Seite 805-809 (DE-627)129594938 (DE-600)240587-8 (DE-576)015087832 0018-3830 nnns volume:65 year:2011 number:6 day:09 month:09 pages:805-809 https://doi.org/10.1515/HF.2011.087 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_2542 GBV_ILN_4036 GBV_ILN_4277 GBV_ILN_4330 AR 65 2011 6 09 09 805-809 |
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10.1515/HF.2011.087 doi (DE-627)OLC2135283053 (DE-B1597)HF.2011.087-p DE-627 ger DE-627 rakwb 620 VZ 670 VZ 23 ssgn Hellström, Lisbeth M. verfasserin aut Properties of wood chips for thermomechanical pulp (TMP) production as a function of spout angle 2011 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier ©2011 by Walter de Gruyter Berlin Boston Abstract Spruce wood chips were produced under well-controlled conditions in a laboratory wood chipper at spout angles of 30°, 40°, and 50° at a cutting rate of 20 m $ s^{-1} $ and with a nominal chip length of 25 mm. The chips were then refined under thermomechanical pulp (TMP) conditions in a pilot refiner plant. The pulp properties such as freeness, average fiber length, and shives content were determined and evaluated as a function of specific energy consumption. For a first stage refining and for a freeness value of 350 ml, a decrease in specific electrical energy consumption could be achieved by performing the wood chipping at a spout angle of 50° as compared to 30° which is the spout angle commonly used. A patent application regarding this method has been filed and is pending. It is realized that a freeness value is not directly indicative of any quality measure, such as, for example tensile index and light scattering coefficient but the obtained results can be interpreted to be promising. Further studies are needed regarding the impact of the modified chipping process. Gradin, Per A. aut Engstrand, Per aut Gregersen, Øyvind aut Enthalten in Holzforschung Walter de Gruyter, 1947 65(2011), 6 vom: 09. Sept., Seite 805-809 (DE-627)129594938 (DE-600)240587-8 (DE-576)015087832 0018-3830 nnns volume:65 year:2011 number:6 day:09 month:09 pages:805-809 https://doi.org/10.1515/HF.2011.087 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-FOR SSG-OPC-FOR GBV_ILN_40 GBV_ILN_70 GBV_ILN_252 GBV_ILN_267 GBV_ILN_2004 GBV_ILN_2006 GBV_ILN_2016 GBV_ILN_2542 GBV_ILN_4036 GBV_ILN_4277 GBV_ILN_4330 AR 65 2011 6 09 09 805-809 |
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Hellström, Lisbeth M. Gradin, Per A. Engstrand, Per Gregersen, Øyvind |
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Hellström, Lisbeth M. |
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10.1515/HF.2011.087 |
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620 670 |
| title_sort |
properties of wood chips for thermomechanical pulp (tmp) production as a function of spout angle |
| title_auth |
Properties of wood chips for thermomechanical pulp (TMP) production as a function of spout angle |
| abstract |
Abstract Spruce wood chips were produced under well-controlled conditions in a laboratory wood chipper at spout angles of 30°, 40°, and 50° at a cutting rate of 20 m $ s^{-1} $ and with a nominal chip length of 25 mm. The chips were then refined under thermomechanical pulp (TMP) conditions in a pilot refiner plant. The pulp properties such as freeness, average fiber length, and shives content were determined and evaluated as a function of specific energy consumption. For a first stage refining and for a freeness value of 350 ml, a decrease in specific electrical energy consumption could be achieved by performing the wood chipping at a spout angle of 50° as compared to 30° which is the spout angle commonly used. A patent application regarding this method has been filed and is pending. It is realized that a freeness value is not directly indicative of any quality measure, such as, for example tensile index and light scattering coefficient but the obtained results can be interpreted to be promising. Further studies are needed regarding the impact of the modified chipping process. ©2011 by Walter de Gruyter Berlin Boston |
| abstractGer |
Abstract Spruce wood chips were produced under well-controlled conditions in a laboratory wood chipper at spout angles of 30°, 40°, and 50° at a cutting rate of 20 m $ s^{-1} $ and with a nominal chip length of 25 mm. The chips were then refined under thermomechanical pulp (TMP) conditions in a pilot refiner plant. The pulp properties such as freeness, average fiber length, and shives content were determined and evaluated as a function of specific energy consumption. For a first stage refining and for a freeness value of 350 ml, a decrease in specific electrical energy consumption could be achieved by performing the wood chipping at a spout angle of 50° as compared to 30° which is the spout angle commonly used. A patent application regarding this method has been filed and is pending. It is realized that a freeness value is not directly indicative of any quality measure, such as, for example tensile index and light scattering coefficient but the obtained results can be interpreted to be promising. Further studies are needed regarding the impact of the modified chipping process. ©2011 by Walter de Gruyter Berlin Boston |
| abstract_unstemmed |
Abstract Spruce wood chips were produced under well-controlled conditions in a laboratory wood chipper at spout angles of 30°, 40°, and 50° at a cutting rate of 20 m $ s^{-1} $ and with a nominal chip length of 25 mm. The chips were then refined under thermomechanical pulp (TMP) conditions in a pilot refiner plant. The pulp properties such as freeness, average fiber length, and shives content were determined and evaluated as a function of specific energy consumption. For a first stage refining and for a freeness value of 350 ml, a decrease in specific electrical energy consumption could be achieved by performing the wood chipping at a spout angle of 50° as compared to 30° which is the spout angle commonly used. A patent application regarding this method has been filed and is pending. It is realized that a freeness value is not directly indicative of any quality measure, such as, for example tensile index and light scattering coefficient but the obtained results can be interpreted to be promising. Further studies are needed regarding the impact of the modified chipping process. ©2011 by Walter de Gruyter Berlin Boston |
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| title_short |
Properties of wood chips for thermomechanical pulp (TMP) production as a function of spout angle |
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