Microalgal lipids production and nutrients recovery from landfill leachate using membrane photobioreactor
Abstract
The aim of this work was to realize high-efficiency nutrients recovery from landfill leachate (LL) for microalgal lipids production. Negative effects of LL on microalgal lipid synthesis was revealed and a scalable membrane-based tubular photobioreactor (SM-PBR) was proposed to offset these negative effects. Microalgal biomass concentration was improved from 0 g/L in the traditional PBR to 2.13 g/L in the SM-PBR. Major operating conditions were optimized to enhance nutrients recovery and lipid productivity. The maximum N recovery efficiency of 74.31% and the maximum daily lipid production of 404.98 mg/d were obtained under the volume ratio of 5:3 (microalgae culture/LL stream) and phosphate feeding concentration of 50 mg/L. The obtained lipid was convinced to have a good combustion and anti-degradation property, with high cetane number (>52%) and low linolenic acid content (<12%). The SM-PBR provided a feasible approach for large-scale microalgal lipid production with LL.
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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 [171]
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- Authors
- Chang, H., Fu, Q., Zhong, N., Yang, X., Quan, X., Li, S., Fu, J., & Xiao, C.
- Affiliations
- Chongqing University of Technology (CN)
- Chongqing University (CN)
- Corresponding author
- Fu, Qian
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2019-04
- Volume
- 277
- Pages
- 18-26
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2909029387
- Cited by
- 86
- References
- 3
- Citations by year
- 2026: 6 · 2025: 1 · 2024: 11 · 2023: 9 · 2022: 14 · 2021: 15 · 2020: 18 · 2019: 11
- FWCI
- 3.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Natural Science Funds for Young Scholar (51806026)
- National Natural Science Foundation of China (51876018)
- National Social Sciences Founding Project (17CGJ003)
- Foundation and Frontier Research Project of Chongqing of China (cstc2018jcyjAX0608, cstc2018jcyjAX0513)
- Science and Technology Research Program of Chongqing Municipal Education Commission (KJQN201801130)
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Physical Sciences › Environmental Science › Waste Management and Disposal › Landfill Environmental Impact Studies
- Physical Sciences › Environmental Science › Waste Management and Disposal › Wastewater Treatment and Reuse
- Keywords
- microalgal lipid production, landfill leachate, membrane photobioreactor, tubular photobioreactor, nitrogen recovery, lipid productivity, biodiesel, cetane number, linolenic acid, leachate toxicity
- MeSH terms
- Nutrients, Lipids, Water Pollutants, Chemical, Biomass, Microalgae, Photobioreactors
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