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Novel Method of Typha Latifolia extraction by Microwave radiation
Authors: Monika Jahan, Dr. Mashiur Rahman, Dr. Danny Mann
Identifier: CSBE22134
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Published in: CSBE-SCGAB Technical Conferences » AGM Charlottetown 2022
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Description: An investigation has been carried out to determine a faster fibre extraction from the Typha Latifolia (cattail plant). The currently used convection heating method requires at least two hours to successfully extract the fiber. A novel extraction method referred to as the microwave volumetric non-thermal heating method (hereafter referred to as the microwave method) was evaluated in this research. Mature Typha stem and leaf samples were treated in a microwave with two different alkali solutions (i.e., NaOH and KOH, with different concentrations and liquor ratios of each alkali) and varying treatment times. To compare fiber yield, moisture regains, mechanical properties, and morphological structures, extraction was also completed using the convection method with 5% KOH and two treatment times. This research demonstrated that the microwave method reduced the extraction time by 20 to 26 times compared with the convection method. The fibre yield (26-33%) and fibre moisture (8.9 to 9.7%) did not differ substantially between microwave and convention treatment. Different values of tensile strength (microwave: 628 to 363 MPa; convection: 419 to 423 MPa) and modulus (microwave: 25.1 to 39.8 GPa; convection: 28 to 38.9 GPa) were obtained which were, in some cases, statistically significant while better mechanical properties for some microwave extracted recipes were observed than the convection method. Micrographs from the Environmental Scanning Electron Microscope (ESEM) showed better fibrillar structure found in microwave extracted fibre in the node regions due to the removal of the diaphragm. The microwave method can be used to decrease the time required for cattail fiber extraction.
Keywords: Cattail extraction, process optimization, textile fibre, mechanical properties, ESEM
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Date: 2022-07-24
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Conference name: CSBE/SCGAB 2022 Annual Conference, Charlottetow, PEI, 24-27 July 2022.
Session name: Waste Management1
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Type: Text.Abstract
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Publication type: Presentation
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
DOI:
Description: An investigation has been carried out to determine a faster fibre extraction from the Typha Latifolia (cattail plant). The currently used convection heating method requires at least two hours to successfully extract the fiber. A novel extraction method referred to as the microwave volumetric non-thermal heating method (hereafter referred to as the microwave method) was evaluated in this research. Mature Typha stem and leaf samples were treated in a microwave with two different alkali solutions (i.e., NaOH and KOH, with different concentrations and liquor ratios of each alkali) and varying treatment times. To compare fiber yield, moisture regains, mechanical properties, and morphological structures, extraction was also completed using the convection method with 5% KOH and two treatment times. This research demonstrated that the microwave method reduced the extraction time by 20 to 26 times compared with the convection method. The fibre yield (26-33%) and fibre moisture (8.9 to 9.7%) did not differ substantially between microwave and convention treatment. Different values of tensile strength (microwave: 628 to 363 MPa; convection: 419 to 423 MPa) and modulus (microwave: 25.1 to 39.8 GPa; convection: 28 to 38.9 GPa) were obtained which were, in some cases, statistically significant while better mechanical properties for some microwave extracted recipes were observed than the convection method. Micrographs from the Environmental Scanning Electron Microscope (ESEM) showed better fibrillar structure found in microwave extracted fibre in the node regions due to the removal of the diaphragm. The microwave method can be used to decrease the time required for cattail fiber extraction.
Keywords: Cattail extraction, process optimization, textile fibre, mechanical properties, ESEM
Résumé:
Mots-clés:
Citation:
Volume:
Issue:
Pages -
Contributor:
Date: 2022-07-24
Technical field:
Conference name: CSBE/SCGAB 2022 Annual Conference, Charlottetow, PEI, 24-27 July 2022.
Session name: Waste Management1
Other information:
Type: Text.Abstract
Format:
Publication type: Presentation
Source:
Relation:
Coverage: Canada
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
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2024
CSBE-SCGAB