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The effect of photobioreactor height/diameter ratio on Chlorella variabilis microalgae growth and oil production efficiency

Year 2024, Volume: 42 Issue: 4, 1194 - 1201, 01.08.2024

Abstract

This study aims to reveal how height/diameter ratio of column photobioreactors affect the growth and lipid content of microalgae. For this purpose, Chlorella variabilis cells were grown in aerated column photobioreactors with height/diameter ratio of 1, 2, and 3 in defined (BG11) culture medium. Results obtained showed that maximum microalgae biomass con-centration, cell productivity, cell doubling time, and lipid productivity were found to increase as the height/diameter of photobioreactor increased. After 15 days of cultivation, the highest cell productivity (0.139 gdw/L.day), cell lipid content (21.1%) and lipid productivity (29.33 mg/L.day) were obtained in the photobioreactor with the highest height/diameter ratio (3), whereas the highest specific growth rate (0.045 h-1) was obtained in the photobioreactor with the smallest height/diameter ratio (1). These findings contribute to the knowledge on pho-tobioreactor design and pave way for more efficient use of column type photobioreactors in producing microalgae.

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There are 30 citations in total.

Details

Primary Language English
Subjects Clinical Chemistry
Journal Section Research Articles
Authors

Necla Altin 0000-0001-7879-3854

Başar Uyar This is me 0000-0002-6267-5631

Publication Date August 1, 2024
Submission Date January 30, 2023
Published in Issue Year 2024 Volume: 42 Issue: 4

Cite

Vancouver Altin N, Uyar B. The effect of photobioreactor height/diameter ratio on Chlorella variabilis microalgae growth and oil production efficiency. SIGMA. 2024;42(4):1194-201.

IMPORTANT NOTE: JOURNAL SUBMISSION LINK https://eds.yildiz.edu.tr/sigma/