AI Article Synopsis
- The study explored how different LED light qualities and intensities affected the production of fatty acid methyl esters (FAMEs) from Nannochloropsis sp. over a 14-day period.
- The optimal light conditions for biomass growth and lipid content were identified as red LED at 150 μmol, blue LED at 100 μmol, and mixed red-blue LED at 200 μmol.
- Results indicated that LED light quality and intensity significantly impacted FAME composition, with blue LEDs producing FAMEs with high unsaturation and low cetane number, while red LEDs produced the opposite, and the mixed combination yielded favorable ignition and stability properties.
Article Abstract
In the study, the relationship between the quality and intensity of LED illumination with FAMEs produced were investigated. Nannochloropsis sp. was cultivated for 14 days under different intensities of 100, 150 and 200 μmol photons m(-2) s(-1) of red, blue and mixed red blue LED. The findings revealed that suitable combination of LED wavelengths and intensity; (red LED: 150, blue: 100 and mixed red blue: 200 μmol photons m(-2) s(-1)) produced maximum biomass growth and lipid content. It was observed that the quality and intensity of LED significantly influenced the composition of FAMEs. FAMEs produced under blue LED has high degree of unsaturation (DU) and low cetane number while those under red LED has low DU but higher CN. The combination of red blue LED has produced FAMEs with high ignition and lubricating property and also good oxidation stability indicated by the DU and CN values which lies midway between the red and blue.
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| http://dx.doi.org/10.1016/j.biortech.2014.09.110 | DOI Listing |
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