Preparation of nanosized zeolite with high hydrothermal stability by beadmilling and post-milling recrystallization method

• Project/Area Number: 26709058
• Research Category: Grant-in-Aid for Young Scientists (A)
• Allocation Type: Partial Multi-year Fund
• Research Field: Reaction engineering/Process system
• Research Institution: The University of Tokyo
• Principal Investigator: WAKIHARA TORU 東京大学, 工学(系)研究科(研究院), 准教授 (70377109)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Project Status: Completed (Fiscal Year 2016)
• Budget Amount: ¥24,830,000 (Direct Cost: ¥19,100,000、Indirect Cost: ¥5,730,000); Fiscal Year 2016: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000); Fiscal Year 2015: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000); Fiscal Year 2014: ¥18,980,000 (Direct Cost: ¥14,600,000、Indirect Cost: ¥4,380,000)
• Keywords: ゼオライト / ナノ粒子 / 粉体操作 / 結晶化 / 粉砕 / 結晶性 / 再結晶化 / ナノ材料

Outline of Final Research Achievements

Improving the hydrothermal stability of zeolites promises attractive benefits for catalytic applications, especially in the case of nanosized zeolite. In the present study, a synthetic method to prepare nanosized zeolite with enhanced hydrothermal stability has been established. The crystal size was tuned within 50-300 nm by simply controlling the milling and recrystallization processes. In addition, compared with the microsized counterparts, the nanosized zeolite showed remarkably enhanced catalytic performance.

Research Products

• [Journal Article] Downsizing K-CHA zeolite by a postmilling-recrystallization method for enhanced base-catalytic performance (2016)
  • Author(s): Chokkalingam Anand, Takeshi Kaneda, Satoshi Inagaki, Sae Okamura, Hiroki Sakurai, Kyosuke Sodeyama, Taiji Matsumoto, Yoshihiro Kubota, Tatsuya Okubo and Toru Wakihara
  • Journal Title: New Journal of Chemistry Volume: 40 Issue: 1 Pages: 492-496
  • DOI: 10.1039/c5nj02052b
  • Peer Reviewed
• [Journal Article] Downsizing AFX zeolite crystals to nanoscale by post-milling recrystallization method (2016)
  • Author(s): Hiroki Yamada, Takayuki Iida, Zhendong Liu, Yusuke Naraki, Koji Ohara, Shinji Kohara, Tatsuya Okubo, Toru Wakihara
  • Journal Title: Crystal Growth & Design Volume: 16 Issue: 6 Pages: 3389-3394
  • DOI: 10.1021/acs.cgd.6b00365
  • Peer Reviewed
• [Journal Article] Pioneering In Situ Recrystallization during Bead Milling: A Top-down Approach to Prepare Zeolite A Nanocrystals (2016)
  • Author(s): Chokkalingam Anand, Yudai Yamaguchi, Zhendong Liu, Sayoko Ibe, Shanmugam P. Elangovan, Toshihiro Ishii, Tsuyoshi Ishikawa, Akira Endo, Tatsuya Okubo, Toru Wakihara
  • Journal Title: Scientific Reports Volume: 6 Issue: 1 Pages: 29210-29210
  • DOI: 10.1038/srep29210
  • Peer Reviewed
• [Presentation] Bead-Milling and Post-Milling Recrystallization: An Organic Template-Free Methodology for the Production of Nano-Zeolite Catalyst (2016)
  • Author(s): TORU WAKIHARA
  • Organizer: KIChE annual meeting
  • Place of Presentation: Daejeong, Korea
  • Year and Date: 2016-10-20
  • Int'l Joint Research / Invited
• [Presentation] Bead-Milling and Post-Milling Recrystallization: An Organic Template-Free Methodology for the Production of Nano-Zeolite Catalyst (2016)
  • Author(s): TORU WAKIHARA
  • Organizer: 6th International Congress on Ceramics (ICC6)
  • Place of Presentation: Dresden
  • Year and Date: 2016-08-22
  • Int'l Joint Research / Invited