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Lipid accumulation and nutrient removal properties of a newly isolated freshwater microalga, Scenedesmus sp. LX1, growing in secondary effluent

Paper ID Volume ID Publish Year Pages File Format Full-Text
33578 44985 2010 5 PDF Available
Title
Lipid accumulation and nutrient removal properties of a newly isolated freshwater microalga, Scenedesmus sp. LX1, growing in secondary effluent
Abstract

Coupling of biodiesel production and wastewater treatment based on microalgae is a promising approach for handling the energy crisis of declining fossil fuel reserves. A freshwater microalga, Scenedesmus sp. LX1, isolated in a previous study, was tested for its ability to remove nutrients and accumulate lipid while growing in secondary effluent. Compared with 11 other species of high-lipid content microalgae obtained from the algae bank, Scenedesmus sp. LX1 adapted better to secondary effluent and achieved the highest biomass (0.11 g L−1, dry weight) and lipid content (31–33%, dry weight). In secondary effluent, the specific growth rate (r) and maximum population growth rate (Rmax) of Scenedesmus sp. LX1 was 0.2 day−1 and 0.23 × 106 cells (mL day)−1, respectively, and inorganic nutrients could be efficiently removed by over 98% in 10 days. Upon a trigger of nitrogen deficiency on day 10, lipid content increased from 14% to 31%, and the highest lipid accumulation rate during cultivation was 0.008 g (L day)−1.

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Lipid accumulation and nutrient removal properties of a newly isolated freshwater microalga, Scenedesmus sp. LX1, growing in secondary effluent
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Publisher
Database: Elsevier - ScienceDirect
Journal: New Biotechnology - Volume 27, Issue 1, 28 February 2010, Pages 59–63
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us