Cross-Sectional Gas Holdup Distribution Measurements in a Bubble Column using Ultrasonic Computed Tomography

Muhammad D. Supardan; Yoshifumi Masuda; Akinori Maezawa; Shigeo Uchida

doi:10.11491/apcche.2004.0.27.0

Asian Pacific Confederation of Chemical Engineers congress program and abstracts

Session ID : 2A-03

DOI https://doi.org/10.11491/apcche.2004.0.27.0

Conference information

Host: The Society of Chemical Engineers, Japan

Cross-Sectional Gas Holdup Distribution Measurements in a Bubble Column using Ultrasonic Computed Tomography

Muhammad D. Supardan, Yoshifumi Masuda, Akinori Maezawa, Shigeo Uchida

Author information

Keywords: bubble column, filtered back-projection, gas holdup, ultrasonic computed tomography

CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

The ultrasonic computed tomography (UCT) as a combination of the ultrasonic sensor and the tomographic reconstruction technique based on the filtered back-projection (FBP) was applied to investigate the cross-sectional distributions of gas holdups in a 16 cm diameter bubble column. The gas-liquid dispersion system of air-water was used. Measurements of gas holdups obtained by using UCT are compared with those obtained by bed expansion method. Generally, the trends of UCT measurement are correct but the agreement remains qualitative.

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