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Physiochemical characteristics of densified untreated and microwave pretreated canola straw grind
Authors: M. Kashaninejad and L. Tabil
Identifier: CSBE11511
Download file: https://library.csbe-scgab.ca/docs/meetings/2011/CSBE11511.pdf
Published in: CSBE-SCGAB Technical Conferences » AGM Winnipeg 2011
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Description: The goal of this study was to determine the ability of microwave-chemical pretreatment to enhance compression characteristics and densification process of canola straw grind. In this study, ground canola straw samples were immersed in alkaline (sodium hydroxide and calcium hydroxide) solutions and then exposed to microwave radiation. Chemical composition, bulk, and particle densities of samples were determined before and after pretreatment. Untreated and microwave pretreated samples with 12% (w.b.) moisture content were compressed at four levels of compressive forces (1000, 2000, 3000 and 4000 N) in a plunger die assembly and the compression and relaxation test data were recorded. The specific energy required for compression and extrusion of pellets produced from untreated and pretreated canola straw grinds was calculated. The fracture load and tensile strength of the pellets were also evaluated to investigate the hardness of the pellets. Chemical composition analysis showed that microwave pretreatment was significantly able to disintegrate the lignocellulosic structure of canola straw grinds. Data analysis also revealed that the pellets made from microwave pretreated biomass grinds had a significantly higher density and tensile strength than untreated samples.
Keywords: pelleting, densification, canola straw, microwave pretreatment, chemical pretreatment
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Citation: M. Kashaninejad and L. Tabil. 2013. Physiochemical characteristics of densified untreated and microwave pretreated canola straw grind. CSBE/SCGAB 2011 Annual Conference, Inn at the Forks, Winnipeg, Mb. 10-13 July 2011
Volume:
Issue:
Pages -
Contributor:
Date: juil-11
Technical field: Bioprocess Systems Engineering
Conference name: CSBE/SCGAB 2011 Annual Conference, Inn at the Forks, Winnipeg, Mb. 10-13 July 2011
Session name:
Other information:
Type: Text.Article
Format: PDF
Publication type: Conference Proceeding
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
DOI:
Description: The goal of this study was to determine the ability of microwave-chemical pretreatment to enhance compression characteristics and densification process of canola straw grind. In this study, ground canola straw samples were immersed in alkaline (sodium hydroxide and calcium hydroxide) solutions and then exposed to microwave radiation. Chemical composition, bulk, and particle densities of samples were determined before and after pretreatment. Untreated and microwave pretreated samples with 12% (w.b.) moisture content were compressed at four levels of compressive forces (1000, 2000, 3000 and 4000 N) in a plunger die assembly and the compression and relaxation test data were recorded. The specific energy required for compression and extrusion of pellets produced from untreated and pretreated canola straw grinds was calculated. The fracture load and tensile strength of the pellets were also evaluated to investigate the hardness of the pellets. Chemical composition analysis showed that microwave pretreatment was significantly able to disintegrate the lignocellulosic structure of canola straw grinds. Data analysis also revealed that the pellets made from microwave pretreated biomass grinds had a significantly higher density and tensile strength than untreated samples.
Keywords: pelleting, densification, canola straw, microwave pretreatment, chemical pretreatment
Résumé:
Mots-clés:
Citation: M. Kashaninejad and L. Tabil. 2013. Physiochemical characteristics of densified untreated and microwave pretreated canola straw grind. CSBE/SCGAB 2011 Annual Conference, Inn at the Forks, Winnipeg, Mb. 10-13 July 2011
Volume:
Issue:
Pages -
Contributor:
Date: juil-11
Technical field: Bioprocess Systems Engineering
Conference name: CSBE/SCGAB 2011 Annual Conference, Inn at the Forks, Winnipeg, Mb. 10-13 July 2011
Session name:
Other information:
Type: Text.Article
Format: PDF
Publication type: Conference Proceeding
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
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