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Fundamental aspects of biomass carbonisation
The main objective of this work was to thermally evaluate three different biomass samples, wood sawdust, bagasse and macadamia nut shell, and produce fundamental quantitative data for mass and energy evaluation of their carbonisation potential and behaviour. Selected samples were thermally character...
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| Published in: | Journal of analytical and applied pyrolysis 2007-05, Vol.79 (1), p.91-100 |
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| Main Authors: | , , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c334t-d56918eeffab5ac1280c91719eb1be329a93032aff43f1386600d5ede09393b33 |
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| cites | cdi_FETCH-LOGICAL-c334t-d56918eeffab5ac1280c91719eb1be329a93032aff43f1386600d5ede09393b33 |
| container_end_page | 100 |
| container_issue | 1 |
| container_start_page | 91 |
| container_title | Journal of analytical and applied pyrolysis |
| container_volume | 79 |
| creator | Strezov, Vladimir Patterson, Michael Zymla, Victor Fisher, Keith Evans, Tim J. Nelson, Peter F. |
| description | The main objective of this work was to thermally evaluate three different biomass samples, wood sawdust, bagasse and macadamia nut shell, and produce fundamental quantitative data for mass and energy evaluation of their carbonisation potential and behaviour. Selected samples were thermally characterised during slow pyrolysis at three different heating rates 10, 25 and 50
°C/min. Experiments were carried out using a computational thermo-analytical technique coupled with micro gas chromatography and with thermogravimetric analysis. Monitoring of the resultant bio-gas compounds revealed evolution yields of CO, CO
2, CH
4, C
2H
4, C
2H
6 and H
2, while the bio-oils evolved during biomass carbonisation were condensed and subjected to MALDI mass spectroscopy. Long distance and scanning electron microscopy were applied to visually observe charcoal formation during carbonisation.
A series of multiple and coupled reaction steps were identified in the biomass conversion process. During early stages of biomass decomposition, the moisture content and strongly bonded hydrated compounds decomposed in an endothermic heat event. At temperatures above 230
°C the thermal decomposition was found to be predominantly exothermic where oxides of carbon (CO and CO
2), hydrocarbons and bio-oils were evolved, while at temperatures above 600
°C the evolution of hydrogen commenced. Significantly complex structure of the collected bio-oils was observed with compounds ranging up to 400–600
amu in molecular weight. |
| doi_str_mv | 10.1016/j.jaap.2006.10.014 |
| format | article |
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°C/min. Experiments were carried out using a computational thermo-analytical technique coupled with micro gas chromatography and with thermogravimetric analysis. Monitoring of the resultant bio-gas compounds revealed evolution yields of CO, CO
2, CH
4, C
2H
4, C
2H
6 and H
2, while the bio-oils evolved during biomass carbonisation were condensed and subjected to MALDI mass spectroscopy. Long distance and scanning electron microscopy were applied to visually observe charcoal formation during carbonisation.
A series of multiple and coupled reaction steps were identified in the biomass conversion process. During early stages of biomass decomposition, the moisture content and strongly bonded hydrated compounds decomposed in an endothermic heat event. At temperatures above 230
°C the thermal decomposition was found to be predominantly exothermic where oxides of carbon (CO and CO
2), hydrocarbons and bio-oils were evolved, while at temperatures above 600
°C the evolution of hydrogen commenced. Significantly complex structure of the collected bio-oils was observed with compounds ranging up to 400–600
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°C/min. Experiments were carried out using a computational thermo-analytical technique coupled with micro gas chromatography and with thermogravimetric analysis. Monitoring of the resultant bio-gas compounds revealed evolution yields of CO, CO
2, CH
4, C
2H
4, C
2H
6 and H
2, while the bio-oils evolved during biomass carbonisation were condensed and subjected to MALDI mass spectroscopy. Long distance and scanning electron microscopy were applied to visually observe charcoal formation during carbonisation.
A series of multiple and coupled reaction steps were identified in the biomass conversion process. During early stages of biomass decomposition, the moisture content and strongly bonded hydrated compounds decomposed in an endothermic heat event. At temperatures above 230
°C the thermal decomposition was found to be predominantly exothermic where oxides of carbon (CO and CO
2), hydrocarbons and bio-oils were evolved, while at temperatures above 600
°C the evolution of hydrogen commenced. Significantly complex structure of the collected bio-oils was observed with compounds ranging up to 400–600
amu in molecular weight.</description><subject>Bio-oils</subject><subject>Carbonisation</subject><subject>Charcoal</subject><subject>Chemical Sciences</subject><subject>Material chemistry</subject><subject>Reactions</subject><subject>Specific heat</subject><subject>Thermal analysis</subject><issn>0165-2370</issn><issn>1873-250X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEURYMoWKt_wNVsBWd8L-l8BNyUYq1QcKPgLrzJJJihnZRkLPjvzVBx6erB5Z4H9zB2i1AgYPXQFz3RoeAAVQoKwMUZm2FTi5yX8HHOZqlU5lzUcMmuYuwhFStsZux-_TV0tDfDSLuM4sHoMWbeZq3ze4ox0xRaP7hIo_PDNbuwtIvm5vfO2fv66W21ybevzy-r5TbXQizGvCsriY0x1lJbkkbegJZYozQttkZwSVKA4GTtQlgUTVUBdKXpDEghRSvEnN2d_n7STh2C21P4Vp6c2iy3asoA0yxewxFTl5-6OvgYg7F_AIKa3KheTW7U5GbKkpsEPZ4gk1YcnQkqamcGbToXkgHVefcf_gMQy2vJ</recordid><startdate>20070501</startdate><enddate>20070501</enddate><creator>Strezov, Vladimir</creator><creator>Patterson, Michael</creator><creator>Zymla, Victor</creator><creator>Fisher, Keith</creator><creator>Evans, Tim J.</creator><creator>Nelson, Peter F.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>AAYXX</scope><scope>CITATION</scope><scope>1XC</scope></search><sort><creationdate>20070501</creationdate><title>Fundamental aspects of biomass carbonisation</title><author>Strezov, Vladimir ; Patterson, Michael ; Zymla, Victor ; Fisher, Keith ; Evans, Tim J. ; Nelson, Peter F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-d56918eeffab5ac1280c91719eb1be329a93032aff43f1386600d5ede09393b33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Bio-oils</topic><topic>Carbonisation</topic><topic>Charcoal</topic><topic>Chemical Sciences</topic><topic>Material chemistry</topic><topic>Reactions</topic><topic>Specific heat</topic><topic>Thermal analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Strezov, Vladimir</creatorcontrib><creatorcontrib>Patterson, Michael</creatorcontrib><creatorcontrib>Zymla, Victor</creatorcontrib><creatorcontrib>Fisher, Keith</creatorcontrib><creatorcontrib>Evans, Tim J.</creatorcontrib><creatorcontrib>Nelson, Peter F.</creatorcontrib><collection>CrossRef</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Journal of analytical and applied pyrolysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Strezov, Vladimir</au><au>Patterson, Michael</au><au>Zymla, Victor</au><au>Fisher, Keith</au><au>Evans, Tim J.</au><au>Nelson, Peter F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fundamental aspects of biomass carbonisation</atitle><jtitle>Journal of analytical and applied pyrolysis</jtitle><date>2007-05-01</date><risdate>2007</risdate><volume>79</volume><issue>1</issue><spage>91</spage><epage>100</epage><pages>91-100</pages><issn>0165-2370</issn><eissn>1873-250X</eissn><abstract>The main objective of this work was to thermally evaluate three different biomass samples, wood sawdust, bagasse and macadamia nut shell, and produce fundamental quantitative data for mass and energy evaluation of their carbonisation potential and behaviour. Selected samples were thermally characterised during slow pyrolysis at three different heating rates 10, 25 and 50
°C/min. Experiments were carried out using a computational thermo-analytical technique coupled with micro gas chromatography and with thermogravimetric analysis. Monitoring of the resultant bio-gas compounds revealed evolution yields of CO, CO
2, CH
4, C
2H
4, C
2H
6 and H
2, while the bio-oils evolved during biomass carbonisation were condensed and subjected to MALDI mass spectroscopy. Long distance and scanning electron microscopy were applied to visually observe charcoal formation during carbonisation.
A series of multiple and coupled reaction steps were identified in the biomass conversion process. During early stages of biomass decomposition, the moisture content and strongly bonded hydrated compounds decomposed in an endothermic heat event. At temperatures above 230
°C the thermal decomposition was found to be predominantly exothermic where oxides of carbon (CO and CO
2), hydrocarbons and bio-oils were evolved, while at temperatures above 600
°C the evolution of hydrogen commenced. Significantly complex structure of the collected bio-oils was observed with compounds ranging up to 400–600
amu in molecular weight.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.jaap.2006.10.014</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0165-2370 |
| ispartof | Journal of analytical and applied pyrolysis, 2007-05, Vol.79 (1), p.91-100 |
| issn | 0165-2370 1873-250X |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_01250270v1 |
| source | Elsevier |
| subjects | Bio-oils Carbonisation Charcoal Chemical Sciences Material chemistry Reactions Specific heat Thermal analysis |
| title | Fundamental aspects of biomass carbonisation |
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