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  1. 50 大学院生物資源学研究科・生物資源学部
  2. 50D 学位論文
  3. 博士論文 本文
  4. 2019年度

Studies on biofuel production from agricultural wastes by using Clostridium cellulovorans

http://hdl.handle.net/10076/00018825
http://hdl.handle.net/10076/00018825
d010a006-b580-47bf-b2c3-655af7ccca08
名前 / ファイル ライセンス アクション
2019DB0710.pdf 2019DB0710.pdf (1.5 MB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2019-12-24
タイトル
タイトル Studies on biofuel production from agricultural wastes by using Clostridium cellulovorans
言語 en
言語
言語 eng
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_db06
資源タイプ doctoral thesis
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
著者 富田, 寿男

× 富田, 寿男

en Tomita, Hisao

ja-Kana トミタ, ヒサオ

ja 富田, 寿男

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内容記述タイプ Abstract
内容記述 For a resolution of reducing carbon dioxide emission and increasing food production to respond to the growth of global population, the production of biofuels from non-edible biomass is urgently required. Abundant agricultural wastes, such as orange wastes in orange juice factories and sugar beet pulp (SBP) from sugar refining factories, occur, but they are largely disposed of. These agricultural wastes are non-edible biomass and are able to be utilized as a raw material of second-generation biofuels. This study evaluates the isopropanol-butanol-ethanol (IBE) fermentation ability of Clostridium beijerinckii and cellulosic biomass degrading ability of Clostridium cellulovorans under different concentrations of limonene, which has extremely toxic to fermenting microorganism. As a result, we found that C. cellulovorans was able to grow even in medium containing 0.05% limonene (v/v) and degraded 85% of total sugar from mandarin peel and strained lees without any pretreatments. More interestingly, C. beijerinckii produced 0.046 g butanol per 1 g of dried strained lees in the culture supernatant together with C. cellulovorans. Furthermore, this study indicated that a co-culture fermentation system combining C. cellulovorans with microbial flora of methane production (MFMP), using sugar beet pulp (SBP) as a carbon source, is effective for the direct conversion of cellulosic biomass to methane (CH4). The MFMP was collected from a methane fermenter in commercial operation and was analyzed by a next-generation sequencing system. The microbiome was identified and classified based on several computer programs, revealing that the MFMP included methanogenic organisms such as, Methanosarcina mazei, Methanosaetaceae, Methanosaeta and Methanospirillaceae. Furthermore, Although the MFMP did not degrade SBP, the consortium of C. cellulovorans with MFMP (CCeM) degraded 87.3% of SBP without any pretreatment and produced 34.0 L of CH4 per 1 kg of dry weight of SBP. These results indicated that agricultural wastes can be degraded and converted to CH4 simultaneously by C. cellulovorans and the MFMP.
言語 en
内容記述
内容記述タイプ Other
内容記述 本文/Graduate School of Bioresources Mie University
内容記述
内容記述タイプ Other
内容記述 93p
書誌情報
発行日 2019-07-17
フォーマット
内容記述タイプ Other
内容記述 application/pdf
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
出版者
出版者 三重大学
出版者(ヨミ)
値 ミエダイガク
学位名
学位名 博士(学術)
学位授与機関
学位授与機関識別子Scheme kakenhi
学位授与機関識別子 14101
学位授与機関名 三重大学
学位授与年月日
学位授与年月日 2019-07-17
学位授与番号
学位授与番号 甲学術第1971号
資源タイプ(三重大)
値 Doctoral Dissertation / 博士論文
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