3D Evaluation of Porous Zeolite Absorbents Using FIB-SEM Tomography

Kiho Bae, Jun Woo Kim, Ji won Son, Tonghun Lee, Sangkyun Kang, Fritz B. Prinz, Joon Hyung Shim

Research output: Contribution to journalArticle

Abstract

An accurate characterization of the microstructure is of great importance in manufacturing zeolites for their appropriate use and optimal performance. Here, an analytical methodology suitable for the complex porous structures of zeolites using focused ion beam (FIB) and scanning electron microscopy (SEM) tomography is demonstrated. For this analysis, a commercial zeolite absorbent is chosen, which is composed of a single zeolite bead filled with small internal beads, like eggs in a brood pouch. Some of the internal zeolite beads and their surrounding pore structures have been precisely reconstructed as three-dimensional (3D) image forms over the micro-scale through FIB-SEM, and the microstructural properties such as particle/pore sizes, specific volume, and surface area are numerically evaluated from the image analysis. This study describes the details of the characterization process from sample preparation to image analysis and discusses major factors influencing the results.

Original languageEnglish (US)
Pages (from-to)195-199
Number of pages5
JournalInternational Journal of Precision Engineering and Manufacturing - Green Technology
Volume5
Issue number2
DOIs
StatePublished - Apr 1 2018

Fingerprint

Zeolites
Focused ion beams
Image analysis
Tomography
Scanning electron microscopy
Pore structure
Density (specific gravity)
Pore size
Microstructure
Evaluation
Methodology
Egg
Particle size
Preparation
Influencing factors
Manufacturing

Keywords

  • 3D reconstruction
  • Focused ion beam
  • Microstructure tomography
  • Zeolites

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)
  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Management of Technology and Innovation

Cite this

3D Evaluation of Porous Zeolite Absorbents Using FIB-SEM Tomography. / Bae, Kiho; Kim, Jun Woo; Son, Ji won; Lee, Tonghun; Kang, Sangkyun; Prinz, Fritz B.; Shim, Joon Hyung.

In: International Journal of Precision Engineering and Manufacturing - Green Technology, Vol. 5, No. 2, 01.04.2018, p. 195-199.

Research output: Contribution to journalArticle

Bae, Kiho ; Kim, Jun Woo ; Son, Ji won ; Lee, Tonghun ; Kang, Sangkyun ; Prinz, Fritz B. ; Shim, Joon Hyung. / 3D Evaluation of Porous Zeolite Absorbents Using FIB-SEM Tomography. In: International Journal of Precision Engineering and Manufacturing - Green Technology. 2018 ; Vol. 5, No. 2. pp. 195-199.
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