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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 53号
  1. 部局別インデックス
  2. 農学部

水蒸気蒸留装置設計における考え方

http://hdl.handle.net/20.500.12000/571
http://hdl.handle.net/20.500.12000/571
82a57964-1adf-4194-b90e-1d8dd52ec53b
名前 / ファイル ライセンス アクション
05_kawasaki.pdf 05_kawasaki.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2007-06-15
タイトル
タイトル 水蒸気蒸留装置設計における考え方
言語 ja
作成者 川崎, 聖司

× 川崎, 聖司

ja 川崎, 聖司

池間, 洋一郎

× 池間, 洋一郎

ja 池間, 洋一郎

國吉, 和男

× 國吉, 和男

ja 國吉, 和男

秋永, 孝義

× 秋永, 孝義

ja 秋永, 孝義

Kawasaki, Seiji

× Kawasaki, Seiji

en Kawasaki, Seiji

Ikema, Youitirou

× Ikema, Youitirou

en Ikema, Youitirou

Kuniyoshi, Kazuo

× Kuniyoshi, Kazuo

en Kuniyoshi, Kazuo

Akinaga, Takayoshi

× Akinaga, Takayoshi

en Akinaga, Takayoshi

アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
主題
言語 ja
主題Scheme Other
主題 水蒸気蒸留装置
言語 ja
主題Scheme Other
主題 精油
言語 ja
主題Scheme Other
主題 熱伝導
内容記述
内容記述タイプ Other
内容記述 Different processing methods are required to extract essential oils from different plants. Most oils are extracted using steam distillation, during which the plant tissues break down, the essential oils and water vapor are released, then collected and cooled. The volatile essential oil condenses, separates and is easily isolated. In this process the steam is prepared in a separate chamber and piped into the tank. This is especially good for plant materials with high boiling point oils.\nEssential oils can be extracted using solvents. Hydro-distillation is not suitable for various products like delicately odored oils. There are three main ways that this can be performed. Solvent extraction is used when the odorous properties of delicate flower and plant material would be altered or destroyed by steam or water distillation or when a plant, for instance rose absolute and jasmine contains very little oil, making steam or water distillation impractical. Solvent extraction produces a concrete which in turn is refined into an absolute. The solvent dissolves the plants constituents including essential oils, fatty acids and waxes. The essential oil is extracted from the other constituents with alcohol. The fatty acids and waxes are not alcohol soluble so they are left behind. A secondary distillation then removes the alcohol, leaving the absolute oil behind. Supercritical carbon dioxide extraction uses carbon dioxide under extremely high pressure to extract essential oils. In the future, many botanicals that are not now available may possibly be obtained through carbon dioxide extraction.\nA fundamental study to design new types of extraction systems for essential oils and a trial steam distillation systems was made. After leaves of alpinia were harvested, steam distilled essential oils were analyzed. Heat transfer of the system were also discussed. Good extraction results and performance were observed with this apparatus. Comparing heat and mass transfer on the experiments, it can be seen that the convection coefficient of essential oils seemed to be applicable to that of the theory of chemical engineering and some improvement of designing was necessary.
内容記述タイプ Other
内容記述 紀要論文
出版者
言語 ja
出版者 琉球大学農学部
言語
言語 jpn
資源タイプ
資源タイプ departmental bulletin paper
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
出版タイプ
出版タイプ NA
出版タイプResource http://purl.org/coar/version/c_be7fb7dd8ff6fe43
識別子
識別子 http://hdl.handle.net/20.500.12000/571
識別子タイプ HDL
収録物識別子
収録物識別子タイプ ISSN
収録物識別子 0370-4246
収録物識別子タイプ NCID
収録物識別子 AN00250548
収録物名
言語 ja
収録物名 琉球大学農学部学術報告
書誌情報
号 53, p. 25-30
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