Inclined algal biofilm photobioreactor (IABPBR) for cost-effective cultivation of lipid-rich microalgae and treatment of seawater-diluted anaerobically digested effluent from kitchen waste with the aid of phytohormones
Abstract
Previous study has demonstrated that freshwater can be replaced with seawater for dilution of feed to algal production and wastewater treatment, but high harvest cost in suspended-growth systems is still a troublesome limitation for large-scale production. Therefore, a novel inclined algal biofilm photobioreactor (IABPBR) was constructed for algal bioproduct production and treatment of seawater-diluted anaerobically digested effluent (SA) in this study. Fluffy polyester was selected as the best carrier for the algal biofilm among ten discarded materials. With the help of phytohormones, the viability of SDEC-18 was clearly enhanced and an algal biomass productivity of 5.66 g/m 2/d was achieved. The SDEC-18 biofilm provided removal capacities of 0.65, 0.25 and 3.31 g/m 2/d for TN, TP and COD. Phytohormones clearly enhanced the lipid biosynthesis, with an extraordinary lipid productivity of 3.98 g/m 2/d being achieved. Moreover, an automatic harvesting system was designed for the efficient harvesting process during large-scale production.
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Studies focused on enhancing lipid production and quality through membrane photobioreactors predominantly aim to utilize wastewater for inducing lipid production.
“Among them, studies focused on enhancing lipid production and quality through membrane PBRs predominantly aim to utilize wastewater for inducing lipid production [169–172].”
From Microalgae biofuels: illuminating the path to a sustainable future amidst challenges and opportunities (2024) · cites this paper as [172]
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de Jesus, S. S., Ferreira, G. F., Moreira, L. S., Wolf Maciel, M. R., & Maciel Filho, R. (2019) · Renewable Energy · doi:10.1016/j.renene.2019.04.168 · Cited by 150 · see citing works
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Integrating micro-algae into wastewater treatment: a review
Mohsenpour, S. F., Hennige, S., Willoughby, N., Adeloye, A., & Gutierrez, T. (2021) · Science of The Total Environment · doi:10.1016/j.scitotenv.2020.142168 · Cited by 828 · see citing works
Wang, M., Ye, X., Bi, H., & Shen, Z. (2024) · Biotechnology for Biofuels and Bioproducts · doi:10.1186/s13068-024-02461-0 · Cited by 201 · see citing works
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Self-citationSingh, V., & Mishra, V. (2021) · Biochemical Engineering Journal · doi:10.1016/j.bej.2021.108129 · Cited by 46 · see citing works
Pereira, A. S. A. D. P., Silva, T. A., Magalhães, I. B., Ferreira, J., Braga, M. Q., Lorentz, J. F., Assemany, P. P., Couto, E. D. A. D., & Calijuri, M. L. (2024) · Science of The Total Environment · doi:10.1016/j.scitotenv.2024.170918 · Cited by 41 · see citing works
- Authors
- Yu, Z., Pei, H., Li, Y., Yang, Z., Xie, Z., Hou, Q., & Nie, C.
- Affiliations
- Shandong University (CN)
- Corresponding author
- Pei, Haiyan
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2020-11
- Volume
- 315
- Pages
- 123761
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W3039420130
- Cited by
- 71
- References
- 2
- Citations by year
- 2026: 12 · 2025: 7 · 2024: 15 · 2023: 12 · 2022: 16 · 2021: 8 · 2020: 1
- FWCI
- 1.79
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Department of Science and Technology of Shandong Province
- National Natural Science Foundation of China
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Physical Sciences › Environmental Science › Waste Management and Disposal › Wastewater Treatment and Reuse
- Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
- Keywords
- microalgae cultivation, kitchen waste, plant hormones, nitrogen removal, phosphorus removal, COD removal, lipogenesis, wastewater treatment
- MeSH terms
- Cost-Benefit Analysis, Lipids, Plant Growth Regulators, Seawater, Biofilms, Biomass, Microalgae, Photobioreactors, Wastewater
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