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dc.contributor.author | Goembira, Fadjar | en |
dc.contributor.author | Saka, Shiro | en |
dc.contributor.alternative | 坂, 志朗 | ja |
dc.date.accessioned | 2014-05-29T02:13:13Z | - |
dc.date.available | 2014-05-29T02:13:13Z | - |
dc.date.issued | 2014-09 | - |
dc.identifier.issn | 0378-3820 | - |
dc.identifier.uri | http://hdl.handle.net/2433/187364 | - |
dc.description | This work is an excerpt of PhD dissertation by F. Goembira in Kyoto University who is presently affiliated to the Department of Environmental Engineering, Faculty of Engineering, Andalas University, Indonesia. | en |
dc.description.abstract | Supercritical methyl acetate has been proven to convert triglycerides into fatty acid methyl esters (FAMEs) and triacetin. Due to the low reactivity of supercritical methyl acetate on triglycerides, reaction condition of 350 °C/20 MPa/45 min is needed to obtain the highest yield of 96.7 wt.% FAME and 8.8 wt.% triacetin (total 105.5 wt.%). Yet, under such condition, thermal decomposition of products is inevitable, thus, further yield increments are hard to attain. This study was, therefore, done to know the possible use of additives in increasing the reaction rate of the supercritical process. Oleic acid, acetic acid, methanol and water were evaluated as additives. It was discovered that acetic acid and water additions improved the performance of supercritical methyl acetate method. Surprisingly, when both additives were used simultaneously as aqueous acetic acid, the higher yield was obtainable at a lower reaction temperature. The addition of 10 wt.% aqueous acetic acid (25 wt.% concentration) at 300 °C/20 MPa/45 min yielded 96.8 wt.% FAME and 12.9 wt.% triacetin (total 109.7 wt.%), thus, it is considered as a potential additive in biodiesel production by supercritical methyl acetate method. | en |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | Elsevier B.V. | en |
dc.rights | © 2014 Elsevier B.V. | en |
dc.rights | この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 | ja |
dc.rights | This is not the published version. Please cite only the published version. | en |
dc.subject | Biodiesel | en |
dc.subject | Fatty acid methyl ester | en |
dc.subject | Triacetin | en |
dc.subject | Supercritical methyl acetate | en |
dc.subject | Aqueous acetic acid | en |
dc.title | Effect of additives to supercritical methyl acetate on biodiesel production | en |
dc.type | journal article | - |
dc.type.niitype | Journal Article | - |
dc.identifier.ncid | AA00652346 | - |
dc.identifier.jtitle | Fuel Processing Technology | en |
dc.identifier.volume | 125 | - |
dc.identifier.spage | 114 | - |
dc.identifier.epage | 118 | - |
dc.relation.doi | 10.1016/j.fuproc.2014.03.035 | - |
dc.textversion | author | - |
dcterms.accessRights | open access | - |
出現コレクション: | 学術雑誌掲載論文等 |
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