Fed-batch cultivation of Desmodesmus sp. in anaerobic digestion wastewater for improved nutrient removal and biodiesel production
Abstract
Desmodesmus sp. was used in anaerobically digested wastewater (ADW) for nutrients removal and the biodiesel production was measured and compared using fed-batch cultivation was investigated and compared with batch cultivation. The Desmodesmus sp. was able to remove 236.143, 268.238 and 6.427 mg/L of TN, NH4-N and PO4-P respectively after 40 d of fed-batch cultivation, while in batch cultivation the quantities of TN, NH4-N and PO4-P removed were 33.331, 37.227 and 1.323 mg/L. Biomass production of Desmodesmus sp. was also enhanced in fed-batch cultivation, when ADW loading was carried out every 2 days; the biomass concentration peaked at 1.039 g/L, which was three times higher than that obtained in batch cultivation (0.385 g/L). The highest lipid production (261.8 mg/L) was also recorded in fed-batch cultivation as compared to batch cultivation (83.3 mg/L). Fed-batch cultivation of Desmodesmus sp. could provide effective control of nutrients limitation and/or ammonia inhibition on microalgae cultivation.
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Fed-batch cultivation of Desmodesmus sp. in anaerobically digested wastewater resulted in a 2.7-fold increase in biomass concentration (1.039 g L−1) compared to batch cultivation.
“sp. in anaerobically digested wastewater resulted in a 2.7-fold increase in biomass concentration (1.039 g L−1) and over a 3.1-fold increase in lipid production (261.8 mg L−1) compared to batch cultivation, effectively mitigating nutrient limitation and ammonia inhibition while enhancing overall productivity [52].”
From Harnessing Artificial Intelligence to Revolutionize Microalgae Biotechnology: Unlocking Sustainable Solutions for High-Value Compounds and Carbon Neutrality (2025) · cites this paper as [52]
Fed-batch cultivation of Desmodesmus sp. in anaerobically digested wastewater resulted in over a 3.1-fold increase in lipid production (261.8 mg L−1) compared to batch cultivation.
“sp. in anaerobically digested wastewater resulted in a 2.7-fold increase in biomass concentration (1.039 g L−1) and over a 3.1-fold increase in lipid production (261.8 mg L−1) compared to batch cultivation, effectively mitigating nutrient limitation and ammonia inhibition while enhancing overall productivity [52].”
From Harnessing Artificial Intelligence to Revolutionize Microalgae Biotechnology: Unlocking Sustainable Solutions for High-Value Compounds and Carbon Neutrality (2025) · cites this paper as [52]
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Algal Biomass Valorization for Biofuel Production and Carbon Sequestration: A Review
Sarwer, A., Hamed, S. M., Osman, A. I., Jamil, F., Al-Muhtaseb, A. H., Alhajeri, N. S., & Rooney, D. W. (2022) · Environmental Chemistry Letters · doi:10.1007/s10311-022-01458-1 · Cited by 380 · see citing works
Bio-based products from microalgae cultivated in digestates
Koutra, E., Economou, C. N., Tsafrakidou, P., & Kornaros, M. (2018) · Trends in biotechnology · doi:10.1016/j.tibtech.2018.02.015 · Cited by 168 · see citing works
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Selection of microalgae intended for valorization of digestate from agro-waste mixtures
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- Authors
- Ji, F., Zhou, Y., Pang, A., Ning, L., Rodgers, K., Liu, Y., & Dong, R.
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2015-05
- Volume
- 184
- Pages
- 116-122
- ISSN
- 0960-8524
- Cited by
- 93
- References
- 2
- Language
- en
- Funders
- Chinese National Advanced Technology Development Program (2013AA065802)
- Chinese National ‘‘The Twelfth Five-Year Plan” for Science & Technology Supporting Project (2012BAD47B03)
- China Scholarship Council Graduate Student Program Fund
- Chinese Universities Scientific Fund (2013YJ007)
- Beijing Municipal Key Discipline of Biomass Engineering
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