MATEC Web Conf.
Volume 156, 2018The 24th Regional Symposium on Chemical Engineering (RSCE 2017)
|Number of page(s)||7|
|Section||Processes for Energy and Environment|
|Published online||14 March 2018|
Effect of Light Intensity, CO2 Gas Concentration, Culturing Period and Walne Nutrient Concentrations on Biomass and Lipid Productivity of Chlorella vulgaris in Sea Water Media
Department of Chemical Engineering, Sepuluh Nopember Institute of Technology, Surabaya
* Corresponding author: email@example.com, firstname.lastname@example.org
The biomass and lipid productivity of Chlorella vulgaris cultured in sea water media were conducted in this study. The effect of light intensity (5000 and 10000 lux), CO2 gas concentration (0.03%, 1% and 2%), culturing period (7 and 17 days) and walne nutrient concentrations (0%, 0.05%, 0.1% and 0.3%) on biomass and lipid productivity of C. vulgaris cultured in photobioreactor were studied systematically. The biomass and lipid productivity were increased with increasing light intensity and CO2 gas concentration. Longer culturing period, C. vulgaris produced more biomass and lipid content. However, biomass and lipid productivity at shorter cultured period were higher than longer cultured period. The highest biomass productivity of 139 mg/L/d was obtained under the following condition: light intensity = 10000 lux, CO2 gas concentration = 2%, culturing period = 7 days, and walne nutrient concentration = 0.3%. The highest lipid productivity of 40.68 mg/L/d was obtained under the following condition: light intensity = 10000 lux, CO2 gas concentration = 2%, culturing period = 7 days, and walne nutrient concentration = 0.005%. This study shows that a microalga C. vulgaris was a potential candidate as a source of biodiesel production.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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