Cited by 134Algal biology and biofuel productionFluid Dynamics and MixingAquatic Ecosystems and Phytoplankton Dynamics

Optimized aeration by carbon dioxide gas for microalgal production and mass transfer characterization in a vertical flat-plate photobioreactor

Zhang, Kai, Kurano, Norihide, Miyachi, Shigetoh·2002·Bioprocess and Biosystems Engineering

Abstract

To optimize the aeration conditions for microalgal biomass production in a vertical flat-plate photobioreactor (VFPP), the effect of the aeration rate on biomass productivity was investigated under given conditions. Air enriched with 5% or 10% (v/v) CO(2) was supplied for the investigation at rates of 0.025-1 vvm. The CO(2) utilization efficiency, change of pH in the medium, and the optimum aeration rate were determined by evaluating biomass productivity. To investigate the VFPP mass transfer characteristics, the overall volumetric mass transfer coefficient, k(L)a, was evaluated for several different flat-plate sizes. Increasing the height of the VFPP could improve both the mass transfer of CO(2) and the illumination conditions, so this appeared to be a good method for scaling up. Based on a comparison of the k(L)a value at the optimum aeration rate with previously reported results, it was confirmed that the range of CO(2) concentration used in the experiments was cost-effective for mass culture.

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Crossref · 10.1007/s00449-002-0284-y

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Authors
Zhang, K., Kurano, N., & Miyachi, S.
Corresponding author
Zhang, Kai
Venue
Bioprocess and Biosystems Engineering
Published
2002-06-01
Volume
25
Issue
2
Pages
97-101
ISSN
  • 1615-7591 (ISSN-L)
  • 1615-7605
OpenAlex
W2082249728
Cited by
134
References
13
Citations by year
2024: 4 · 2023: 5 · 2022: 9 · 2021: 4 · 2020: 10 · 2019: 10 · 2018: 12 · 2017: 14 · 2016: 8 · 2015: 9 · 2014: 6 · 2013: 9 · 2012: 12
FWCI
1.31
Type
journal article
Language
en
Open access
closed
Locations
  • Bioprocess and Biosystems Engineering (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
  • Physical Sciences › Engineering › Biomedical Engineering › Fluid Dynamics and Mixing
  • Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
Keywords
microalgae cultivation, volumetric mass transfer coefficient, CO2 utilization efficiency, pH change

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