The DOI matches its Crossref record; 25 of the 25 references it cites were found in a registry or an index.
Effects of different nitrogen and phosphorus concentrations on the growth, nutrient uptake, and lipid accumulation of a freshwater microalga Scenedesmus sp.
Abstract
Microalgae have high potential to remove inorganic nutrients from wastewater and to produce biodiesel. Effects of nitrogen and phosphorus concentrations on growth, nutrient uptake, and lipid accumulation of a freshwater microalga Scenedesmus sp. LX1 were studied. Scenedesmus sp. LX1's growth was in accordance with the Monod model. The following Monod parameters were obtained: the N- and P-saturated maximum growth rate was 2.21 x 10(6) cells m L(-1)d(-1), and the half-saturation constants of N and P uptake were 12.1 mg L(-1) and 0.27 mg L(-1), respectively. In the nitrogen/phosphorus ratio of 5:1-12:1, 83-99% nitrogen and 99% phosphorus could be removed. In conditions of nitrogen (2.5 mg L(-1)) or phosphorus (0.1 mg L(-1)) limitation, Scenedesmus sp. LX1 could accumulate lipids to as high as 30% and 53%, respectively, of its algal biomass. The lipid productivity/unit volume of culture, however, was not enhanced. Further research should be made on how to enhance both lipid content and lipid productivity.
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Metadata
- Authors
- Xin, L., Hong-ying, H., Ke, G., & Ying-xue, S.
- Affiliations
- State Key Joint Laboratory of Environment Simulation and Pollution Control (CN)
- China University of Mining and Technology - Beijing (CN)
- Venue
- Bioresource Technology
- Publisher
- Elsevier BV
- Published
- 2010-07
- Volume
- 101
- Issue
- 14
- Pages
- 5494-5500
- ISSN
- 0960-8524 (ISSN-L)
- OpenAlex
- W2015872810
- Cited by
- 1,115
- References
- 25
- Citations by year
- 2026: 48 · 2025: 54 · 2024: 65 · 2023: 61 · 2022: 74 · 2021: 88 · 2020: 96 · 2019: 104 · 2018: 96 · 2017: 85 · 2016: 75 · 2015: 72 · 2014: 61 · 2013: 65 · 2012: 45
- FWCI
- 19.99
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Bioresource Technology (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Science Fund for Distinguished Young Scholars
- 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
- nitrogen limitation, phosphorus limitation, N:P ratio, microalgae growth, nutrient uptake, Monod kinetics, lipid accumulation, microalgae biodiesel, freshwater microalgae
- MeSH terms
- Biotechnology, Culture Media, Lipids, Nitrogen, Phosphorus, Regression Analysis, Time Factors, Biomass, Bioreactors, Scenedesmus, Nutritional Sciences, Eukaryota
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