A Study on Hydrodynamics and Heat Transfer in a Bubble Column Reactor with Yeast and Bacterial Cell Suspensions
Abstract
Abstract Hydrodynamics and heat transfer experiments were carried out in a slurry bubble column with air‐water‐yeast cells and air‐water‐bacteria cells systems to investigate gas hold‐up, bubble characteristics and heat transfer coefficients with cell concentrations of 0.1% w/w and 0.4% w/w and superficial gas velocity up to 0.20 m/s. The gas hold‐ups and heat transfer coefficients were found to increase with increasing gas velocity and cell concentration. The heat transfer coefficients were higher at the centre of the column as compared to the near wall region. The development of empirical correlations to predict the heat transfer coefficient in two‐ and three‐phase systems was carried out with ±15% confidence interval at most.
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Prakash et al. observed an increase of the heat transfer coefficient due to cells, in accordance with the results of Kantarci et al.
“Regarding the impact of cells, they observe an increase of the heat transfer coefficient, which is in accordance to the results of Kantarci et al. [348].”
From Modeling and Simulation of Photobioreactors with Computational Fluid Dynamics—A Comprehensive Review (2022) · cites this paper as [348]
Kantarci et al. correlation pre-factor depends on the concentration of cells (0.09 for 0.1% w/w and 0.102 for 0.4% w/w), while only a weak effect of the cell type on the heat transfer coefficient was found.
“It was found that the pre-factor depends on the concentration of cells (0.09 for 0.1 % w / w and 0.102 for 0.4 % w / w ) while only a weak effect of the cell type on the heat transfer coefficient was found.”
From Modeling and Simulation of Photobioreactors with Computational Fluid Dynamics—A Comprehensive Review (2022) · cites this paper as [348]
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References 43 · Cited by 34
- Authors
- Kantarci, N., Ulgen, K. O., & Borak, F.
- Affiliations
- Yeditepe University (TR)
- Venue
- The Canadian Journal of Chemical Engineering
- Publisher
- Wiley
- Published
- 2005-08
- Volume
- 83
- Issue
- 4
- Pages
- 764-773
- ISSN
- 0008-4034 (ISSN-L)
- 1939-019X
- OpenAlex
- W2142784028
- Cited by
- 34
- References
- 43
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 4 · 2020: 3 · 2019: 1 · 2018: 1 · 2017: 3 · 2016: 4 · 2015: 3 · 2013: 1
- FWCI
- 0.49
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The Canadian Journal of Chemical Engineering (publishedVersion)
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Fluid Dynamics and Mixing
- Physical Sciences › Environmental Science › Water Science and Technology › Minerals Flotation and Separation Techniques
- Physical Sciences › Engineering › Computational Mechanics › Heat and Mass Transfer in Porous Media
- Keywords
- bubble column, slurry bubble column, hydrodynamics, heat transfer coefficient, gas holdup, bubble characteristics, yeast cells, bacterial cells, cell density, superficial gas velocity, empirical correlations, two-phase flow, three-phase flow
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