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Development of hydrogen production system with flow type flat panel utilizing symbiotic algae and photocatalyst

Research Project

Project/Area Number 17K05955
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Green/Environmental chemistry
Research InstitutionMiyakonojo National College of Technology

Principal Investigator

Yamashita Toshiaki  都城工業高等専門学校, 物質工学科, 教授 (80191287)

Co-Investigator(Kenkyū-buntansha) 高橋 利幸  都城工業高等専門学校, 物質工学科, 准教授 (50453535)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2017: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywords水素製造 / 光触媒 / 酸化チタン / 共生藻 / マイクロリアクター / 環境技術
Outline of Final Research Achievements

Development of hydrogen production system with flow type flat panel utilizing symbiotic algae and photocatalyst was performed. The Pt-content of TiO2 thin film was optimized for efficient hydrogen production. The minimum thickness of Pt/TiO2 was determined for hydrogen production. Furthemore, the production method of the Pt/TiO2 thin film-immobilized microreactor, the shape of a flow channel in the microreactor for hydrogen production and decomposition of saccharides, and the optimal flow rate of aqueous solution containing the sacrificial reagents were clarified. Finally, it was clarified that hydrogen was obtaind by decomposition of the saccharides in the microreactor under a continuous flow condition, the aqueous solution containing the saccharides was produced from symbiotic algae which were immobilized on an alginic acid gel.

Academic Significance and Societal Importance of the Research Achievements

化石燃料の代替エネルギーとして、バイオマス燃料や水素が既に実用化されているが、その製造過程には化石燃料を要している。従って、太陽光をエネルギー源とし、新たなエネルギーを産み出せれば社会的意義は大きい。本研究では、共生藻が光合成によって生産する糖類を取出し、その糖類を長期に安定して光触媒作用を示す酸化チタンを用いて太陽光下で分解し、水素を生産するシステムの開発を行った。水素生産が連続してかつ効率良く行えるように、薄膜化した酸化チタンをフロー型のマイクロリアクターに組込んだ装置を開発した。実用的なレベルの水素生産には至らなかったが、化石燃料に頼らない水素製造システム開発の足がかりとなった。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (10 results)

All 2019 2018

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (7 results) (of which Int'l Joint Research: 3 results) Book (2 results)

  • [Journal Article] Routine Management of Microalgae Using Autofluorescence from Chlorophyll2019

    • Author(s)
      Toshiyuki Takahashi
    • Journal Title

      Molecules

      Volume: 24 Issue: 24 Pages: 4441-4441

    • DOI

      10.3390/molecules24244441

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] 植物ホルモン処理した微細藻類の凝集・増殖挙動2019

    • Author(s)
      東森悠斗, 高橋利幸, 小林高臣
    • Organizer
      日本化学会秋季事業 第9回CSJ化学フェスタ2019
    • Related Report
      2019 Annual Research Report
  • [Presentation] Technology, Development for An Environmental Improvement and An Organic Material Production Using Non-edible Microalgae.2019

    • Author(s)
      T. Takahashi
    • Organizer
      Nature's 150th Anniversary Symposium
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] マルトースを犠牲試薬とする Pt/TiO2 光触媒を用いたマイクロリアクターによる水素生成2019

    • Author(s)
      山口 葵, 山下 敏明
    • Organizer
      2019年 光化学討論会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Development for controlling microalgal growth and for its analysis method2018

    • Author(s)
      Y. Higashimori, T. Takahashi, T. Kobayashi
    • Organizer
      3rd STI-GIGAKU 2018 Conference
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Effect of Cellulose Coating on Alginate Capsules containing Chlorella like Microalgae2018

    • Author(s)
      A. Yamada, T. Takahashi, T. Kobayashi
    • Organizer
      3rd STI-GIGAKU 2018 Conference
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 微細藻類含有アルギン酸カプセルのバガス由来セルロース包括とその性質分析2018

    • Author(s)
      山田あずさ, 高橋利幸, 小林高臣
    • Organizer
      日本化学会秋季事業 第8回CSJ化学フェスタ2018
    • Related Report
      2018 Research-status Report
  • [Presentation] セルロースを用いた微細藻類含有アルギン酸カプセル包括法の開発2018

    • Author(s)
      山田あずさ, 高橋利幸, 小林高臣
    • Organizer
      第28回日本MRS年次大会
    • Related Report
      2018 Research-status Report
  • [Book] In Glycerine Production and Transformation - An Innovative Platform for Sustainable Biorefinery and Energy2019

    • Author(s)
      M. Yasuda, T. Matsumoto, T. Yamashita
    • Total Pages
      124
    • Publisher
      Intech Open:
    • ISBN
      9781789846904
    • Related Report
      2019 Annual Research Report
  • [Book] Multidimensional Flow Cytometry Techniques for Novel Highly Informative Assays2018

    • Author(s)
      T. Takahashi
    • Total Pages
      97
    • Publisher
      InTechOpen
    • ISBN
      9781789233452
    • Related Report
      2018 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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