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  1. 紀要論文
  2. 琉球大学農学部学術報告
  3. 32号
  1. 部局別インデックス
  2. 農学部

甘藷芋アルコール蒸留廃液のメタン発酵 : 第 1 報小型容器を用いた発酵(農芸化学科)

http://hdl.handle.net/20.500.12000/3938
http://hdl.handle.net/20.500.12000/3938
386145d0-9b50-4d8b-b141-1ca16902e983
名前 / ファイル ライセンス アクション
KJ00000162235.pdf KJ00000162235.pdf
Item type デフォルトアイテムタイプ(フル)(1)
公開日 2008-02-14
タイトル
タイトル 甘藷芋アルコール蒸留廃液のメタン発酵 : 第 1 報小型容器を用いた発酵(農芸化学科)
言語 ja
作成者 当山, 清善

× 当山, 清善

ja 当山, 清善

石原, 昌信

× 石原, 昌信

ja 石原, 昌信

大久保, 勉

× 大久保, 勉

ja 大久保, 勉

与那覇, 和雄

× 与那覇, 和雄

ja 与那覇, 和雄

Toyama, Seizen

× Toyama, Seizen

en Toyama, Seizen

Ishihara, Masanobu

× Ishihara, Masanobu

en Ishihara, Masanobu

Ohkubo, Tsutomu

× Ohkubo, Tsutomu

en Ohkubo, Tsutomu

Yonaha, Kazuo

× Yonaha, Kazuo

en Yonaha, Kazuo

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
内容記述
内容記述タイプ Other
内容記述 生甘藷を原料としたアルコール蒸留廃液を馴養したスラッジと混合しpH7.5,37℃でメタン発酵を200ml容注射筒を用いて行ない, ガス生成過程, 発生ガス量及び発生ガス中のメタン含量等について調べた。発酵液(20%スラッジ, 湿重)中の蒸留廃液濃度は有機物として1.3∿1.5%が最適で, 60%のメタンを含むガスが発生した。ガス発生量は, スラッジ濃度が20%までは廃液量とスラッジ濃度との間に直線関係が得られた。最適発酵温度は37℃で, 最適発酵pHは7∿9付近であった。蒸留廃液を10日間メタン発酵して得られる総発生ガス量は蒸留廃液中の有機物g当り698mlで, メタン含量は62%であった。発酵3日目に有機酸の蓄積量が最高値に達し, その組成は酢酸 : プロピオン酸 : 酪酸(71 : 15 : 14)であった。また, 蒸留廃液を10日毎および5日毎, 半連的に添加した発酵で発生したガス量は有機物g当り792mlで, メタン含量は58%であった。
内容記述タイプ Other
内容記述 The alcohol stillage derived from raw sweet potato tubers which were fermented by using enzymes without cooking was subjected to methane fermentation. The methane fermentation was carried out at 37℃ and 7.5 of pH in a 200-ml syringe containing the sludge which was previously acclimated to the stillage, and the evolutions and composition of the gas produced, volatile acids and pH were followed. High yield of gas generation with a methane ratio of 60% was obtained in the fermentation at 37℃ for 10 days with 1.3-1.5% organic matter of the stillage. The amount of gas evolved in the fermentation with 20% of sludge increased with an increased in the amount of the stillage. The most favorable temperature and pH for the fermentation were 37℃ and 7.0 to 9.0,respectively. The total gas evolved from the stillage in 10 days fermentation was 698ml per g of organic matter, and the methane content was 62%. Acetic, propionic and butyric acids acumulated in the mash after 3 days of fermentation and decreaced gradually as the fermentation progressed. When fermentation was carried out by the addition of the stillage at 5-day intervals, the total gas evolved was 792ml per g of organic matter with a methane content of 58%.
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 VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
識別子
識別子 http://hdl.handle.net/20.500.12000/3938
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 32, p. 55-62
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