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Organic Structure-directing Agent-free Synthesis for *BEA-type Zeolite Membrane
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JoVE 杂志 化学
Organic Structure-directing Agent-free Synthesis for *BEA-type Zeolite Membrane

Organic Structure-directing Agent-free Synthesis for *BEA-type Zeolite Membrane

DOI:
10.3791/60500-v

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08:49 min

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February 22, 2020

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, , ,
1Research Organization for Nano & Life Innovation,Waseda University, 2Department of Applied Chemistry,Waseda University, 3Advanced Research Institute for Science and Engineering,Waseda University

Chapters

  • 00:05Introduction
  • 00:41Support Preparation
  • 01:22*BEA Seed Crystal Synthesis
  • 03:59Seeding on Support by Dip-coating
  • 05:34*BEA Membrane Preparation by a Secondary Growth Method
  • 07:23Results: XRD and FE-SEM
  • 08:22Conclusion

Summary

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A *BEA seed crystal was loaded on a porous α-Al2O3 support by the dip-coating method, and hydrothermally grown without using an organic structure-directing agent. A *BEA-type zeolite membrane having very few defects was successfully prepared by the secondary growth method.

Tags

Zeolite MembraneBEA-type ZeoliteOrganic Structure-directing Agent-free SynthesisAlpha Aluminum Oxide SupportColloidal SilicaTetraethylammonium HydroxideSodium HydroxideSodium AluminateCrystallizationTeflon-lined AutoclaveVacuum Filtration

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