Modeling xylan solubilization during autohydrolysis of sugar maple wood meal: Reaction kinetics
The objective of this work was to study the kinetics of hemicelluloses extraction during hydrothermal pretreatment of sugar maple wood meal. Pretreatment was conducted in a batch reactor at 145–185°C with reaction times up to 8 h and with liquor to solid ratio of 20:1. Under these conditions, hemice...
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Walter de Gruyter ; 2009 2009 |
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©2009 by Walter de Gruyter Berlin New York |
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Enthalten in: Holzforschung - Berlin [u.a.] : de Gruyter, 1947, 63(2009 2009), 3 vom: 11 11., Seite 307-314 |
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volume:63 ; year:2009 2009 ; number:3 ; day:11 11 ; month:02 ; pages:307-314 ; extent:8 |
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10.1515/HF.2009.054 |
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| 520 | |a The objective of this work was to study the kinetics of hemicelluloses extraction during hydrothermal pretreatment of sugar maple wood meal. Pretreatment was conducted in a batch reactor at 145–185°C with reaction times up to 8 h and with liquor to solid ratio of 20:1. Under these conditions, hemicelluloses were selectively solubilized and little degradation (approximately 6–9% of the initial amount) of cellulose and lignin was observed. A kinetic model was developed. It was supposed that there are no diffusion limitations and that the reaction rate constants have first-order kinetics with Arrhenius-type temperature dependence. The model proposes the formation of xylose directly from wood xylan as well as from xylooligomers formed in the liquid phase by the hydrolysis of xylan. The model is able to correlate satisfactorily experimentally measured yields of residual xylan, xylooligomers, xylose, and furfural obtained during the pretreatment. | ||
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10.1515/HF.2009.054 doi artikel_Grundlieferung.pp (DE-627)NLEJ246923342 DE-627 ger DE-627 rakwb Modeling xylan solubilization during autohydrolysis of sugar maple wood meal: Reaction kinetics Walter de Gruyter 2009 2009 8 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ©2009 by Walter de Gruyter Berlin New York The objective of this work was to study the kinetics of hemicelluloses extraction during hydrothermal pretreatment of sugar maple wood meal. Pretreatment was conducted in a batch reactor at 145–185°C with reaction times up to 8 h and with liquor to solid ratio of 20:1. Under these conditions, hemicelluloses were selectively solubilized and little degradation (approximately 6–9% of the initial amount) of cellulose and lignin was observed. A kinetic model was developed. It was supposed that there are no diffusion limitations and that the reaction rate constants have first-order kinetics with Arrhenius-type temperature dependence. The model proposes the formation of xylose directly from wood xylan as well as from xylooligomers formed in the liquid phase by the hydrolysis of xylan. The model is able to correlate satisfactorily experimentally measured yields of residual xylan, xylooligomers, xylose, and furfural obtained during the pretreatment. Walter de Gruyter Online Zeitschriften autohydrolysis hemicellulose hot-water extraction hydrothermal processing kinetics modeling xylan hydrolysis xylooligomers xylose Mittal, Ashutosh oth Chatterjee, Siddharth G. oth Scott, Gary M. oth Amidon, Thomas E. oth Enthalten in Holzforschung Berlin [u.a.] : de Gruyter, 1947 63(2009 2009), 3 vom: 11 11., Seite 307-314 (DE-627)NLEJ248235680 (DE-600)1466072-6 1437-434X nnns volume:63 year:2009 2009 number:3 day:11 11 month:02 pages:307-314 extent:8 https://doi.org/10.1515/HF.2009.054 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 63 2009 2009 3 11 11 02 02 307-314 8 |
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10.1515/HF.2009.054 doi artikel_Grundlieferung.pp (DE-627)NLEJ246923342 DE-627 ger DE-627 rakwb Modeling xylan solubilization during autohydrolysis of sugar maple wood meal: Reaction kinetics Walter de Gruyter 2009 2009 8 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ©2009 by Walter de Gruyter Berlin New York The objective of this work was to study the kinetics of hemicelluloses extraction during hydrothermal pretreatment of sugar maple wood meal. Pretreatment was conducted in a batch reactor at 145–185°C with reaction times up to 8 h and with liquor to solid ratio of 20:1. Under these conditions, hemicelluloses were selectively solubilized and little degradation (approximately 6–9% of the initial amount) of cellulose and lignin was observed. A kinetic model was developed. It was supposed that there are no diffusion limitations and that the reaction rate constants have first-order kinetics with Arrhenius-type temperature dependence. The model proposes the formation of xylose directly from wood xylan as well as from xylooligomers formed in the liquid phase by the hydrolysis of xylan. The model is able to correlate satisfactorily experimentally measured yields of residual xylan, xylooligomers, xylose, and furfural obtained during the pretreatment. Walter de Gruyter Online Zeitschriften autohydrolysis hemicellulose hot-water extraction hydrothermal processing kinetics modeling xylan hydrolysis xylooligomers xylose Mittal, Ashutosh oth Chatterjee, Siddharth G. oth Scott, Gary M. oth Amidon, Thomas E. oth Enthalten in Holzforschung Berlin [u.a.] : de Gruyter, 1947 63(2009 2009), 3 vom: 11 11., Seite 307-314 (DE-627)NLEJ248235680 (DE-600)1466072-6 1437-434X nnns volume:63 year:2009 2009 number:3 day:11 11 month:02 pages:307-314 extent:8 https://doi.org/10.1515/HF.2009.054 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 63 2009 2009 3 11 11 02 02 307-314 8 |
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10.1515/HF.2009.054 doi artikel_Grundlieferung.pp (DE-627)NLEJ246923342 DE-627 ger DE-627 rakwb Modeling xylan solubilization during autohydrolysis of sugar maple wood meal: Reaction kinetics Walter de Gruyter 2009 2009 8 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ©2009 by Walter de Gruyter Berlin New York The objective of this work was to study the kinetics of hemicelluloses extraction during hydrothermal pretreatment of sugar maple wood meal. Pretreatment was conducted in a batch reactor at 145–185°C with reaction times up to 8 h and with liquor to solid ratio of 20:1. Under these conditions, hemicelluloses were selectively solubilized and little degradation (approximately 6–9% of the initial amount) of cellulose and lignin was observed. A kinetic model was developed. It was supposed that there are no diffusion limitations and that the reaction rate constants have first-order kinetics with Arrhenius-type temperature dependence. The model proposes the formation of xylose directly from wood xylan as well as from xylooligomers formed in the liquid phase by the hydrolysis of xylan. The model is able to correlate satisfactorily experimentally measured yields of residual xylan, xylooligomers, xylose, and furfural obtained during the pretreatment. Walter de Gruyter Online Zeitschriften autohydrolysis hemicellulose hot-water extraction hydrothermal processing kinetics modeling xylan hydrolysis xylooligomers xylose Mittal, Ashutosh oth Chatterjee, Siddharth G. oth Scott, Gary M. oth Amidon, Thomas E. oth Enthalten in Holzforschung Berlin [u.a.] : de Gruyter, 1947 63(2009 2009), 3 vom: 11 11., Seite 307-314 (DE-627)NLEJ248235680 (DE-600)1466072-6 1437-434X nnns volume:63 year:2009 2009 number:3 day:11 11 month:02 pages:307-314 extent:8 https://doi.org/10.1515/HF.2009.054 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 63 2009 2009 3 11 11 02 02 307-314 8 |
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10.1515/HF.2009.054 doi artikel_Grundlieferung.pp (DE-627)NLEJ246923342 DE-627 ger DE-627 rakwb Modeling xylan solubilization during autohydrolysis of sugar maple wood meal: Reaction kinetics Walter de Gruyter 2009 2009 8 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ©2009 by Walter de Gruyter Berlin New York The objective of this work was to study the kinetics of hemicelluloses extraction during hydrothermal pretreatment of sugar maple wood meal. Pretreatment was conducted in a batch reactor at 145–185°C with reaction times up to 8 h and with liquor to solid ratio of 20:1. Under these conditions, hemicelluloses were selectively solubilized and little degradation (approximately 6–9% of the initial amount) of cellulose and lignin was observed. A kinetic model was developed. It was supposed that there are no diffusion limitations and that the reaction rate constants have first-order kinetics with Arrhenius-type temperature dependence. The model proposes the formation of xylose directly from wood xylan as well as from xylooligomers formed in the liquid phase by the hydrolysis of xylan. The model is able to correlate satisfactorily experimentally measured yields of residual xylan, xylooligomers, xylose, and furfural obtained during the pretreatment. Walter de Gruyter Online Zeitschriften autohydrolysis hemicellulose hot-water extraction hydrothermal processing kinetics modeling xylan hydrolysis xylooligomers xylose Mittal, Ashutosh oth Chatterjee, Siddharth G. oth Scott, Gary M. oth Amidon, Thomas E. oth Enthalten in Holzforschung Berlin [u.a.] : de Gruyter, 1947 63(2009 2009), 3 vom: 11 11., Seite 307-314 (DE-627)NLEJ248235680 (DE-600)1466072-6 1437-434X nnns volume:63 year:2009 2009 number:3 day:11 11 month:02 pages:307-314 extent:8 https://doi.org/10.1515/HF.2009.054 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 63 2009 2009 3 11 11 02 02 307-314 8 |
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10.1515/HF.2009.054 doi artikel_Grundlieferung.pp (DE-627)NLEJ246923342 DE-627 ger DE-627 rakwb Modeling xylan solubilization during autohydrolysis of sugar maple wood meal: Reaction kinetics Walter de Gruyter 2009 2009 8 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ©2009 by Walter de Gruyter Berlin New York The objective of this work was to study the kinetics of hemicelluloses extraction during hydrothermal pretreatment of sugar maple wood meal. Pretreatment was conducted in a batch reactor at 145–185°C with reaction times up to 8 h and with liquor to solid ratio of 20:1. Under these conditions, hemicelluloses were selectively solubilized and little degradation (approximately 6–9% of the initial amount) of cellulose and lignin was observed. A kinetic model was developed. It was supposed that there are no diffusion limitations and that the reaction rate constants have first-order kinetics with Arrhenius-type temperature dependence. The model proposes the formation of xylose directly from wood xylan as well as from xylooligomers formed in the liquid phase by the hydrolysis of xylan. The model is able to correlate satisfactorily experimentally measured yields of residual xylan, xylooligomers, xylose, and furfural obtained during the pretreatment. Walter de Gruyter Online Zeitschriften autohydrolysis hemicellulose hot-water extraction hydrothermal processing kinetics modeling xylan hydrolysis xylooligomers xylose Mittal, Ashutosh oth Chatterjee, Siddharth G. oth Scott, Gary M. oth Amidon, Thomas E. oth Enthalten in Holzforschung Berlin [u.a.] : de Gruyter, 1947 63(2009 2009), 3 vom: 11 11., Seite 307-314 (DE-627)NLEJ248235680 (DE-600)1466072-6 1437-434X nnns volume:63 year:2009 2009 number:3 day:11 11 month:02 pages:307-314 extent:8 https://doi.org/10.1515/HF.2009.054 Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-DGR GBV_NL_ARTICLE AR 63 2009 2009 3 11 11 02 02 307-314 8 |
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modeling xylan solubilization during autohydrolysis of sugar maple wood meal: reaction kinetics |
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Modeling xylan solubilization during autohydrolysis of sugar maple wood meal: Reaction kinetics |
| abstract |
The objective of this work was to study the kinetics of hemicelluloses extraction during hydrothermal pretreatment of sugar maple wood meal. Pretreatment was conducted in a batch reactor at 145–185°C with reaction times up to 8 h and with liquor to solid ratio of 20:1. Under these conditions, hemicelluloses were selectively solubilized and little degradation (approximately 6–9% of the initial amount) of cellulose and lignin was observed. A kinetic model was developed. It was supposed that there are no diffusion limitations and that the reaction rate constants have first-order kinetics with Arrhenius-type temperature dependence. The model proposes the formation of xylose directly from wood xylan as well as from xylooligomers formed in the liquid phase by the hydrolysis of xylan. The model is able to correlate satisfactorily experimentally measured yields of residual xylan, xylooligomers, xylose, and furfural obtained during the pretreatment. ©2009 by Walter de Gruyter Berlin New York |
| abstractGer |
The objective of this work was to study the kinetics of hemicelluloses extraction during hydrothermal pretreatment of sugar maple wood meal. Pretreatment was conducted in a batch reactor at 145–185°C with reaction times up to 8 h and with liquor to solid ratio of 20:1. Under these conditions, hemicelluloses were selectively solubilized and little degradation (approximately 6–9% of the initial amount) of cellulose and lignin was observed. A kinetic model was developed. It was supposed that there are no diffusion limitations and that the reaction rate constants have first-order kinetics with Arrhenius-type temperature dependence. The model proposes the formation of xylose directly from wood xylan as well as from xylooligomers formed in the liquid phase by the hydrolysis of xylan. The model is able to correlate satisfactorily experimentally measured yields of residual xylan, xylooligomers, xylose, and furfural obtained during the pretreatment. ©2009 by Walter de Gruyter Berlin New York |
| abstract_unstemmed |
The objective of this work was to study the kinetics of hemicelluloses extraction during hydrothermal pretreatment of sugar maple wood meal. Pretreatment was conducted in a batch reactor at 145–185°C with reaction times up to 8 h and with liquor to solid ratio of 20:1. Under these conditions, hemicelluloses were selectively solubilized and little degradation (approximately 6–9% of the initial amount) of cellulose and lignin was observed. A kinetic model was developed. It was supposed that there are no diffusion limitations and that the reaction rate constants have first-order kinetics with Arrhenius-type temperature dependence. The model proposes the formation of xylose directly from wood xylan as well as from xylooligomers formed in the liquid phase by the hydrolysis of xylan. The model is able to correlate satisfactorily experimentally measured yields of residual xylan, xylooligomers, xylose, and furfural obtained during the pretreatment. ©2009 by Walter de Gruyter Berlin New York |
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| title_short |
Modeling xylan solubilization during autohydrolysis of sugar maple wood meal: Reaction kinetics |
| url |
https://doi.org/10.1515/HF.2009.054 |
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true |
| author2 |
Mittal, Ashutosh Chatterjee, Siddharth G. Scott, Gary M. Amidon, Thomas E. |
| author2Str |
Mittal, Ashutosh Chatterjee, Siddharth G. Scott, Gary M. Amidon, Thomas E. |
| ppnlink |
NLEJ248235680 |
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c |
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oth oth oth oth |
| doi_str |
10.1515/HF.2009.054 |
| up_date |
2024-07-06T09:36:04.580Z |
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