Phase distribution in Fischer-Tropsch mimicked slurry bubble column via computed tomography

Shaikh, Ashfaq; Taha, Mahmoud M.; Al-Dahhan, Muthanna H.

doi:10.1016/j.ces.2020.116278

Phase distribution in Fischer-Tropsch mimicked slurry bubble column via computed tomography

Journal Article · Sat Nov 07 23:00:00 EST 2020 · Chemical Engineering Science

DOI:https://doi.org/10.1016/j.ces.2020.116278· OSTI ID:1850240

Shaikh, Ashfaq ^[1]; Taha, Mahmoud M. ^[2]; Al-Dahhan, Muthanna H. ^[3]

Eastman CHemical Company, Kingsport, TN (United States). Eastman Research Division; Univ. of Missouri, Rolla, MO (United States)
Alexandria Univ., Alexandria (Egypt). Faculty of Engineering. Chemical Engineering Dept.; Univ. of Science and Technology, Giza (Egypt). Environmental Engineering Program. Zewail City of Science and Technology. October Gardens
Univ. of Missouri, Rolla, MO (United States). Chemical and Biochemical Engineering Dept.; Univ. of Missouri, Rolla, MO (United States). Mining and Nuclear Engineering Dept.

This study aims to investigate the phases distribution and hydrodynamics in an air-Therminol LT-glass beads slurry bubble column reactor in bubbly and churn-turbulent flow regimes by implementing a gamma-ray computed tomography. It is found that gas holdup increases with increasing superficial gas velocity and operating pressure while increasing solids loading has an opposite effect on gas holdup measurements. It is noticed that the pressure effect is more significant at high solids loading and the solids loading is relatively more substantial at lower pressure. Solids loading has the most significant a stronger effect on the solids holdup profile than on the gas holdup profile. Current results were compared with the Sedimentation-Dispersion Model (SDM) predictions. Overall, the findings of this study advance the knowledge of the true behavior of phases distribution in FT mimicked slurry bubble columns which are pertinent in designing such reactors.

View Accepted Manuscript (DOE)

Research Organization:: Univ. of Washington, Seattle, WA (United States)

Sponsoring Organization:: USDOE Office of Fossil Energy (FE)

Grant/Contract Number:: FG26-99FT40594

OSTI ID:: 1850240

Alternate ID(s):: OSTI ID: 1775620

Journal Information:: Chemical Engineering Science, Journal Name: Chemical Engineering Science Journal Issue: C Vol. 231; ISSN 0009-2509

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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Phase distribution in Fischer-Tropsch mimicked slurry bubble column via computed tomography

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