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Mechanism of high performances in carbon nanotubes / polyamide reverse osmosis composite membrane

Research Project

Project/Area Number 17H03401
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Composite materials/Surface and interface engineering
Research InstitutionShinshu University

Principal Investigator

Endo Morinobu  信州大学, 先鋭領域融合研究群先鋭材料研究所, 特別特任教授 (10021015)

Co-Investigator(Kenkyū-buntansha) モレロス・ゴメス アーロン  信州大学, 先鋭領域融合研究群カーボン科学研究所, 特任准教授 (00793746)
竹内 健司  信州大学, 学術研究院工学系, 准教授 (20504658)
Cruz Rodolfo  信州大学, 先鋭領域融合研究群カーボン科学研究所, 特任教授 (30597878)
林 卓哉  信州大学, 学術研究院工学系, 教授 (80313831)
オルティス・メディナ ホスエ  信州大学, 先鋭領域融合研究群カーボン科学研究所, 特任准教授 (30793765)
犬飼 茂樹  信州大学, アクア・イノベーション拠点(COI), 研究員 (10529738)
滝沢 善洋  信州大学, アクア・イノベーション拠点(COI), 研究員 (10795082)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2019: ¥5,850,000 (Direct Cost: ¥4,500,000、Indirect Cost: ¥1,350,000)
Fiscal Year 2018: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2017: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
Keywordsカーボンナノチューブ / 逆浸透膜 / 耐ファウリング性 / マルチスケールシミュレーション / 分子動力学シミュレーション / 機能性複合材料 / ナノ材料
Outline of Final Research Achievements

To contribute to the basic science and technology of water production membrane, the theoretical analysis on the high performances of CNT/PA composite membranes have been done. The excellent water permeability of the composite membrane is given rise to the shorter path of the water molecules diffusing in the composite membrane than that of pristine PA membrane, by the multiscale simulation. The high antifouling property of the composite membrane for natural organic matter (MOU) is shown theoretically to be originated from the specific surface structure as well as the charge transfer effect of the composite membrane, by MD calculation. This study can contribute to the further development of new membrane science and technology.

Academic Significance and Societal Importance of the Research Achievements

本研究は、カーボンナノチューブ(CNT)とポリアミド(PA)複合RO膜の高性能発現機構の理論的解析を通して、当該膜とRO膜一般の科学と技術の発展に寄与し、もって水の世紀に貢献する膜技術のイノベーション創出に資することを目的している。すなわち、カーボンナノチューブとポリアミドの複合膜の優れたRO機能発現のメカニズムを理論的に解析し、当複合膜の高透水性と耐ファウリング性は固有の複合構造によってもたらされることを理論的に解明した。この成果は、膜技術の発展に資するとともにSDGsNo.6への貢献そして21世紀の水の世紀において海水淡水化と造水技術に寄与する新規膜技術の知見を提供している。

Report

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

    (9 results)

All 2020 2019 2018 2017

All Journal Article (2 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 2 results) Presentation (7 results) (of which Int'l Joint Research: 6 results,  Invited: 3 results)

  • [Journal Article] New Insights in the Natural Organic Matter Fouling Mechanism of Polyamide and Nanocomposite Multiwalled Carbon Nanotubes-Polyamide Membranes2019

    • Author(s)
      Rodolfo Cruz-Silva, Yoshihiro Takizawa, Auppatham Nakaruk, Michio Katouda, Ayaka Yamanaka, Josue Ortiz-Medina, Aaron Morelos-Gomez, Syogo Tejima, Michiko Obata, Kenji Takeuchi, Toru Noguchi, Takuya Hayashi, Mauricio Terrones, Morinobu Endo
    • Journal Title

      Environ. Sci. Technol. (ACS)

      Volume: - Issue: 11 Pages: 6255-6263

    • DOI

      10.1021/acs.est.8b07203

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Water Diffusion Mechanism in Carbon Nanotube and Polyamide Nanocomposite Reverse Osmosis Membranes: A Possible Percolation-Hopping Mechanism2018

    • Author(s)
      Araki Takumi、Cruz-Silva Rodolfo、Tejima Syogo、Ortiz-Medina Josue、Morelos-Gomez Aaron、Takeuchi Kenji、Hayashi Takuya、Terrones Mauricio、Endo Morinobu
    • Journal Title

      Physical Review Applied

      Volume: 9 Issue: 2 Pages: 024018-024018

    • DOI

      10.1103/physrevapplied.9.024018

    • Related Report
      2018 Annual Research Report 2017 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] 水処理膜の新しい展開 ~高速透水・耐ファウリング性膜~2020

    • Author(s)
      遠藤守信
    • Organizer
      インターアクア2020
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] ANTIFOULING AND CHLORINE RESISTANT CARBON NANOTUBES-AROMATIC POLYAMIDE DE-SALINATION MEMBRANES2019

    • Author(s)
      Morinobu Endo
    • Organizer
      IDA WORLD CONGRESS 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Nanocarbons for environmental applications2019

    • Author(s)
      Morinobu Endo
    • Organizer
      The 9th IEEE International Nanoelectronic Conference
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Nanocarbons and Carbon Nanotubes ~Safe innovation in the 21st century and promise for the future~2019

    • Author(s)
      Morinobu Endo
    • Organizer
      INASCON2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] CARBON NANOTUBES EFFECT ON THE MORPHOLOGY AND TRANSPORT PROPERTIES OF AROMATIC POLYAMIDE REVERSE OSMOSIS MEMBRANES2018

    • Author(s)
      Rodolfo Cruz-Silva
    • Organizer
      Carbon2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] IMPROVED PERFORMANCE OF AMORPHOUS CARBON MEMBRANES BY RESTRUCTURING DURING HIGH PRESSURE WATER DESALINATION2018

    • Author(s)
      Josue Ortiz-Medina
    • Organizer
      Carbon2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Polyamide-Carbon Nanotubes Nanocomposite Membranes for Desalination-Synthesis, Performance and Computational Studies2017

    • Author(s)
      Rodolfo Cruz-Silva, Takumi Araki, Shigeki Inukai, Josue Ortiz-Medina, Aaron Morelos-Gomez, Shogo Tejima, Takuya Hayashi, Toru Noguchi, Kenji Takeuchi, Mauricio Terrones, Morinobu Endo
    • Organizer
      2017 MRS Fall Meeting
    • Related Report
      2017 Annual Research Report
    • Int'l Joint Research

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

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