Comparison of the decomposition behaviors of hardwood and softwood in supercritical methanol
The chemical conversion of Japanese beech (Fagus crenata Blume) and Japanese cedar (Cryptomeria japonica D. Don) woods in supercritical methanol was studied using the supercritical fluid biomass conversion system with a batch-type reaction vessel. Under conditions of 270°C/27 MPa, beech wood was dec...
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| Veröffentlicht in: | Journal of wood science 2003-02, Vol.49 (1), p.73-78 |
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| container_title | Journal of wood science |
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| creator | MINAMI, Eiji SAKA, Shiro |
| description | The chemical conversion of Japanese beech (Fagus crenata Blume) and Japanese cedar (Cryptomeria japonica D. Don) woods in supercritical methanol was studied using the supercritical fluid biomass conversion system with a batch-type reaction vessel. Under conditions of 270°C/27 MPa, beech wood was decomposed and liquefied to a greater extent than cedar wood, and the difference observed was thought to originate mainly from differences in the intrinsic properties of the lignin structures of hardwood and softwood. However, such a difference was not observed at 350°C/43 MPa, and more than 90% of both beech and cedar woods were effectively decomposed and liquefied after 30 min of treatment. This result indicates that the supercritical methanol treatment is expected to be an efficient tool for converting the woody biomass to lower-molecular-weight products, such as liquid fuels and useful chemicals. |
| doi_str_mv | 10.1007/s100860300012 |
| format | Article |
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Don) woods in supercritical methanol was studied using the supercritical fluid biomass conversion system with a batch-type reaction vessel. Under conditions of 270°C/27 MPa, beech wood was decomposed and liquefied to a greater extent than cedar wood, and the difference observed was thought to originate mainly from differences in the intrinsic properties of the lignin structures of hardwood and softwood. However, such a difference was not observed at 350°C/43 MPa, and more than 90% of both beech and cedar woods were effectively decomposed and liquefied after 30 min of treatment. This result indicates that the supercritical methanol treatment is expected to be an efficient tool for converting the woody biomass to lower-molecular-weight products, such as liquid fuels and useful chemicals.</description><identifier>ISSN: 1435-0211</identifier><identifier>EISSN: 1611-4663</identifier><identifier>DOI: 10.1007/s100860300012</identifier><language>eng</language><publisher>Tokyo: Springer</publisher><subject>Applied sciences ; Beech ; Biomass ; Cedar ; Conversion ; Decomposition ; Exact sciences and technology ; Hydrolysis, pyrolysis and by-products ; Liquid fuels ; Methanol ; Organic chemistry ; Polymer industry, paints, wood ; Supercritical fluids ; Wood ; Wood. Paper. Non wovens</subject><ispartof>Journal of wood science, 2003-02, Vol.49 (1), p.73-78</ispartof><rights>2003 INIST-CNRS</rights><rights>Journal of Wood Science is a copyright of Springer, (2003). 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Don) woods in supercritical methanol was studied using the supercritical fluid biomass conversion system with a batch-type reaction vessel. Under conditions of 270°C/27 MPa, beech wood was decomposed and liquefied to a greater extent than cedar wood, and the difference observed was thought to originate mainly from differences in the intrinsic properties of the lignin structures of hardwood and softwood. However, such a difference was not observed at 350°C/43 MPa, and more than 90% of both beech and cedar woods were effectively decomposed and liquefied after 30 min of treatment. This result indicates that the supercritical methanol treatment is expected to be an efficient tool for converting the woody biomass to lower-molecular-weight products, such as liquid fuels and useful chemicals.</description><subject>Applied sciences</subject><subject>Beech</subject><subject>Biomass</subject><subject>Cedar</subject><subject>Conversion</subject><subject>Decomposition</subject><subject>Exact sciences and technology</subject><subject>Hydrolysis, pyrolysis and by-products</subject><subject>Liquid fuels</subject><subject>Methanol</subject><subject>Organic chemistry</subject><subject>Polymer industry, paints, wood</subject><subject>Supercritical fluids</subject><subject>Wood</subject><subject>Wood. Paper. 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Non wovens</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MINAMI, Eiji</creatorcontrib><creatorcontrib>SAKA, Shiro</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Science Database</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>Journal of wood science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MINAMI, Eiji</au><au>SAKA, Shiro</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of the decomposition behaviors of hardwood and softwood in supercritical methanol</atitle><jtitle>Journal of wood science</jtitle><date>2003-02-01</date><risdate>2003</risdate><volume>49</volume><issue>1</issue><spage>73</spage><epage>78</epage><pages>73-78</pages><issn>1435-0211</issn><eissn>1611-4663</eissn><abstract>The chemical conversion of Japanese beech (Fagus crenata Blume) and Japanese cedar (Cryptomeria japonica D. 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| subjects | Applied sciences Beech Biomass Cedar Conversion Decomposition Exact sciences and technology Hydrolysis, pyrolysis and by-products Liquid fuels Methanol Organic chemistry Polymer industry, paints, wood Supercritical fluids Wood Wood. Paper. Non wovens |
| title | Comparison of the decomposition behaviors of hardwood and softwood in supercritical methanol |
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