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Development of cellulose saccharification catalyst and anticontamination of radioactive cesium by using ferromagnetic carbon nanotubes

Research Project

Project/Area Number 25620142
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Green/Environmental chemistry
Research InstitutionShinshu University

Principal Investigator

OHTA Kazuchika  信州大学, 学術研究院繊維学系, 教授 (70160497)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2015: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywordsカーボンナノチューブ / マイクロ波加熱 / 水中プラズマ / 糖化触媒 / 放射性セシウム回収 / 酸点付加 / 液中プラズマ法 / ニッケルナノ粒子 / ポリスチレン
Outline of Final Research Achievements

We have successfully prepared ferromagnetic carbon nanotubes (CNT) containing nickel metal in gram scale from commercially available granulated polystyrene and nickel nanoparticles as the catalyst, by heating with a domestic microwave oven for about 10 min. We found that the bigger the diameter of nickel nanoparticles used in this “Ni nanoparticle method” becomes by 1 nm, the bigger the diameter of the resulted CNTs becomes by about 1 nm. The surface of the CNTs was added acidic points by using Plasma in Water Method or Chemical Acidification Method. The surface contains COOH and OH groups, so that these CNTs were homogeneously dispersed in water over two months. The acidified ferromagnetic CNTs can be applied to saccharification catalyst for woody biomass and collection of radioactive cesium.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (5 results)

All 2015 2014 2013

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

  • [Journal Article] Synthesis of carbon nanotubes by microwave heating: Influence of diameter of catalytic Ni nanoparticles on diameter of CNTs2014

    • Author(s)
      Kazuchika Ohta, Toshiki Nishizawa, Takahiro Nishiguchi, Ryo Shimizu, Yoshiyuki Hattori, Shuji Inoue, Masakazu Katayama, Kazuhiko Mizu-uchi and Takumi Kono
    • Journal Title

      Journal of Materials Chemistry A

      Volume: 2 Issue: 8 Pages: 2773-2780

    • DOI

      10.1039/c3ta13297h

    • NAID

      120007100703

    • Related Report
      2014 Research-status Report 2013 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] Synthesis of carbon nanotubes by microwave energy2015

    • Author(s)
      Kazuchika Ohta, Toshiki Nishizawa, Takahiro Nishiguchi, Yoshiaki Chino, Ryo Shimizu, Yoshiyuki Hattori, Shuji Inoue, Masakazu Katayama, Kazuhiko Mizu-uchi and Takumi Kono
    • Organizer
      Pacifichem2015
    • Place of Presentation
      Hyatt Regency Waikiki (Hawaii, USA)
    • Year and Date
      2015-12-15
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] マイクロ波加熱によるカーボンナノチューブの合成と液中プラズマによるその表面修飾2015

    • Author(s)
      千野賢明, 西口貴大, 高木泰史, 太田和親
    • Organizer
      第9回日本電磁波エネルギー応用学会シンポジウム
    • Place of Presentation
      上智大学(東京都千代田区)
    • Year and Date
      2015-11-19
    • Related Report
      2015 Annual Research Report
  • [Presentation] マイクロ波加熱を用いたカーボンナノチューブ(CNT)の合成(3):Niナノ粒子触媒の直径が及ぼすCNT直径への影響2013

    • Author(s)
      西口貴大, 西澤俊輝, 高木泰史, 太田和親
    • Organizer
      第7回日本電磁波エネルギー応用学会シンポジウム
    • Place of Presentation
      東京工業大学 大岡山キャンパス 東工大蔵前会館
    • Related Report
      2013 Research-status Report
  • [Book] 最新マイクロ波エネルギーと応用技術2014

    • Author(s)
      吉川昇、太田和親 他
    • Total Pages
      960
    • Publisher
      産業技術出版
    • Related Report
      2014 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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