Modeling of biomass production by Spirulina platensis as function of phosphate concentrations and pH regimes
Abstract
Batch cultivations were performed to evaluate the influence of phosphate concentrations (0.25, 0.5, 0.75, and 1.0 g L(-1)) for pH regimes (9.5, 10.0, and 10.5) on the biomass production by Spirulina platensis. The best condition for cell growth (3.099 g L(-1)) was found at 0.5 g L(-1) phosphate and pH value of 10.0. Cultivation time, phosphate, and pH caused to increase significantly (p<0.01) in biomass production by S. platensis. Lag time was observed up to 4 h. After then, biomass production increased sharply (p<0.01) from 0.020 g L(-1) to 2.063, 2.213, 1.532, and 0.797 g L(-1) at 0.25, 0.5, 0.75, and 1.0 g L(-1) phosphate values, respectively. Modified Gompertz model could be regarded as sufficient to describe the biomass production by S. platensis with high determination coefficients and low sum of square value indicated that. Biological parameters for biomass production were successfully predicted by modified Gompertz model.
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The conditions required by A. platensis allow its fast growth while suppressing other algae such as Chlorella.
“These circumstances allow for the fast growth of these algae while suppressing the development of other algae, such as those belonging to the genus Chlorella [18,25,26,27].”
From Tendencies Affecting the Growth and Cultivation of Genus Spirulina: An Investigative Review on Current Trends (2022) · cites this paper as [27]
A. platensis requires an aquatic environment with pH 9.5-10.5, high sodium carbonate salts at 10-20 g/L, and a temperature of 35-37 °C during the day.
“A. platensis requires certain environmental parameters in order to thrive, including an aquatic environment with a pH between 9.5 and 10.5, a high concentration of sodium carbonate salts at a rate of 10–20 g/L, and a temperature that ranges between 35 and 37 °C throughout the day.”
From Tendencies Affecting the Growth and Cultivation of Genus Spirulina: An Investigative Review on Current Trends (2022) · cites this paper as [27]
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Survey and isolation of marine cyanobacteria from eastern coast of India as a biodiesel feedstock
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- Authors
- Çelekli, A., Yavuzatmaca, M., & Bozkurt, H.
- Affiliations
- Bolu Abant İzzet Baysal University (TR)
- Gaziantep University (TR)
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2009-07
- Volume
- 100
- Issue
- 14
- Pages
- 3625-3629
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W1980191294
- Cited by
- 83
- References
- 3
- Citations by year
- 2025: 3 · 2024: 7 · 2023: 5 · 2022: 6 · 2021: 3 · 2020: 5 · 2019: 4 · 2018: 4 · 2017: 3 · 2016: 4 · 2015: 4 · 2014: 5 · 2013: 10 · 2012: 8
- FWCI
- 2.79
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
- Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Aquaculture Nutrition and Growth
- Keywords
- Spirulina platensis, biomass production, phosphate concentration, pH, batch culture, modified Gompertz model, cell growth kinetics, time delay, microalgae cultivation
- MeSH terms
- Chlorophyll A, Biotechnology, Chlorophyll, Hydrogen-Ion Concentration, Models, Biological, Nitrates, Phosphates, Models, Statistical, Biomass, Spirulina
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