Aeration and mass transfer optimization in a rectangular airlift loop photobioreactor for the production of microalgae
Open accessAbstract
Effects of superficial gas velocity and top clearance on gas holdup, liquid circulation velocity, mixing time, and mass transfer coefficient are investigated in a new airlift loop photobioreactor (PBR), and empirical models for its rational control and scale-up are proposed. In addition, the impact of top clearance on hydrodynamics, especially on the gas holdup in the internal airlift loop reactor, is clarified; a novel volume expansion technique is developed to determine the low gas holdup in the PBR. Moreover, a model strain of Chlorella vulgaris is cultivated in the PBR and the volumetric power is analyzed with a classic model, and then the aeration is optimized. It shows that the designed PBR, a cost-effective reactor, is promising for the mass cultivation of microalgae.
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By adding mixers and improving sparger performances, novel photobioreactors with efficient mixing, high rates of gas-liquid mass transfer, and well-defined fluid flow patterns can be obtained for microalgal lipid accumulation and biofuel production purposes.
“By adding mixers and improving sparger performances, novel PBRs with efficient mixing, high rates of gas–liquid mass transfer, and well-defined fluid flow patterns can be obtained for microalgal lipid accumulation and biofuel production purposes [177–180].”
From Microalgae biofuels: illuminating the path to a sustainable future amidst challenges and opportunities (2024) · cites this paper as [179]
Cites
Characterization of a flat plate photobioreactor for the production of microalgae
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“05 vvm has been proposed sufficient to improve the mixing and the mass transfer in flat panel PBRs (Sierra et al., 2008) and also been confirmed in this work (corresponding to the superficial gas velocity of 8.”
Xue, S., Zhang, Q., Wu, X., Yan, C., & Cong, W. (2013) · Bioresource Technology · doi:10.1016/j.biortech.2013.03.156 · Cited by 122 · see citing works
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Modeling shear-sensitive dinoflagellate microalgae growth in bubble column photobioreactors
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- Authors
- Guo, X., Yao, L., & Huang, Q.
- Affiliations
- Chinese Academy of Sciences (CN)
- Corresponding author
- Huang, Qingshan
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2015-08
- Volume
- 190
- Pages
- 189-195
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2083557362
- Cited by
- 118
- References
- 2
- Citations by year
- 2026: 7 · 2025: 8 · 2024: 18 · 2023: 9 · 2022: 11 · 2021: 17 · 2020: 10 · 2019: 12 · 2018: 11 · 2017: 6 · 2016: 9
- FWCI
- 4.31
- Type
- journal article
- Language
- en
- Open access
- green
- ir.ipe.ac.cn
- Licence
- cc-by-nc-sa
- www.elsevier.com/tdm/userlicense/1.0/ (tdm)
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Institute of Process Engineering, CAS Institutional Repository (submittedVersion, cc-by-nc-sa)
- Institutional knowledge base (Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences) (submittedVersion, cc-by-nc-sa)
- Funders
- National Natural Science Foundation of China (21106169, 21376254, 91434114)
- National Basic Research Program of China (2012CB224806)
- University of Science and Technology of China
- Topics
- Physical Sciences › Engineering › Biomedical Engineering › Fluid Dynamics and Mixing
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Physical Sciences › Engineering › Biomedical Engineering › Innovative Microfluidic and Catalytic Techniques Innovation
- Keywords
- microalgae cultivation, Chlorella vulgaris, gas holdup, superficial gas velocity, mass transfer coefficient, hydrodynamics, aeration optimization, scale-up, mixing time
- MeSH terms
- Air Microbiology, Computer Simulation, Equipment Design, Light, Models, Theoretical, Photosynthesis, Radiation Dosage, Computer-Aided Design, Equipment Failure Analysis, Feedback, Physiological, Chlorella vulgaris, Cell Proliferation, Hydrodynamics, Photobioreactors, Batch Cell Culture Techniques
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