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Effects of using light-emitting diodes on the cultivation of Spirulina platensis

Paper ID Volume ID Publish Year Pages File Format Full-Text
4782 245 2007 5 PDF Available
Title
Effects of using light-emitting diodes on the cultivation of Spirulina platensis
Abstract

Various light-emitting diodes (LEDs) with different light wavelengths and illumination intensities were employed to explore the effects of light source on photoautotrophic cultivation of Spirulina platensis. From the experimental results, red LED exhibited the highest specific growth rate of 0.40 (day−1) under the condition of 3000 μmol m−2 s−1. Blue LED showed the least efficiency in the conversion of photon to biomass. Hence, a modified Monod model was proposed to fit the specific growth rates of S. platensis from different light sources. The light intensity threshold for minimum photoautotrophic growth was also determined. In comparing the economic efficiency of energy to biomass, the use of red LED gave the most effective performance for the photoautotrophic cultivation.

Keywords
Light-emitting diodes; Spirulina platensis; Monod model; Economic efficiency; Photoautotrophic cultivation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biochemical Engineering Journal - Volume 37, Issue 1, 15 October 2007, Pages 21–25
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