Recent advances in Fischer-Tropsch synthesis using cobalt-based catalysts: A review on supports, promoters, and reactors

Z Gholami, Z Tišler, V Rubáš - Catalysis Reviews, 2021 - Taylor & Francis
Fischer–Tropsch (FT) process is a promising method for producing liquid fuels and other
valuable chemicals through CO hydrogenation. The catalyst activity and product selectivity …

High thermal conductive Al2O3@ Al composites supported cobalt catalysts for Fischer-Tropsch synthesis

D Wang, M Zhong, J Xue, Z Wang, X Li, B Hou - Fuel, 2022 - Elsevier
The fixed-bed reactor is a good choice for the cobalt-based Fischer-Tropsch synthesis (FTS)
to produce hydrocarbons. However, the heat transfer limitation of the fixed-bed reactor …

Dynamics of bubbles detached from non-circular orifices: Confinement effect of orifice boundary

J Liu, H Qi, Y Song, S Chen, D Wu - Chemical Engineering Journal, 2023 - Elsevier
In practice, gas usually escapes from non-circular orifices due to machining accuracy,
plugging, and other reasons, especially gas leakage in the natural environment. Compared …

Effective treatment of high-concentration SDBS solution by developing a novel integrated technology of foam separation and photocatalysis

Y Xu, Y Zhang, W Liu, H Yin, C Yang, J Chen - Journal of Environmental …, 2022 - Elsevier
With the rapid increasing drainage of industrial sewage, the problems arising from sewage
containing high-concentration surfactant become more urgent. In order to purify the high …

Impact of heat exchanging internals configurations on the gas holdup and bubble properties in a bubble column

AA Jasim, AJ Sultan, MH Al-Dahhan - International Journal of Multiphase …, 2019 - Elsevier
The effect of the vertical heat-exchanging tube bundle configurations on local gas holdup
and bubble dynamics, including specific gas-liquid interfacial area, bubble chord length …

Phases distribution in slurry bubble columns: Insights from single-source computed tomography and gas holdup measurements

A Shaikh, MM Taha, MH Al-Dahhan - Flow Measurement and …, 2023 - Elsevier
In this study, a cylindrical stainless-steel column with dimensions of 250 cm in height and
16.2 cm in diameter was employed to investigate how fluid properties influence phase …

[PDF][PDF] Experimental investigation on heat transfer in a gas-solid fluidized bed with a bundle of heat exchanging tubes

ZW Hasan, AJ Sultan, M Tariq, LS Sabri… - … and Technology Journal, 2022 - iasj.net
The depletion of natural energy resources is a serious issue that potentially has catastrophic
effects on the world. For example, the utilization of fossil fuels results in the emission of …

New Methodology for Benchmarking Hydrodynamics in Bubble Columns with Intense Internals Using the Radioactive Particle Tracking (RPT) Technique

OJ Farid, AF Velo, B Qi, M Al-Dahhan - Processes, 2023 - mdpi.com
A new methodology for implementing radioactive particle tracking (RPT) in bubble columns
with intense vertical rod internals was developed and implemented to investigate the effect …

The effects of internals and low aspect ratio on the fully developed flow region and bubble properties in a pilot-plant bubble column

H Al-Naseri, JP Schlegel, MH Al-Dahhan - Experimental Thermal and Fluid …, 2019 - Elsevier
This work investigates, for the first time, the effects of the presence of internals and low
dynamic liquid levels on the bubble dynamics in industrial-size pilot plant bubble columns …

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

A Shaikh, MM Taha, MH Al-Dahhan - Chemical Engineering Science, 2021 - Elsevier
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 …