Comparing the Effect of C, N, and P Factors on Photosynthesis, Biomass, and Lipid Production in Chlorella sp.
Publication: Journal of Environmental Engineering
Volume 144, Issue 11
Abstract
Microalgae can be used as a promising biofuel material that offers a high amount of lipid production and fast growth rate. Nutrient compositions and concentrations are important factors related to the lipid production and accumulation in many algae species. In this work, nutrient availabilities with different concentrations of nitrogen, phosphorus, and carbon were studied in a single impact factor experiment to investigate their effects on the algal biomass and lipid production of Chlorella sp. The results indicate that lowering the nitrogen concentration could maximize the lipid production, and appropriate and concentration could have benefits for lipid content production. Therefore, the effects of nutrient availabilities on lipid productivity were concluded in the order of N (nitrogen concentration) > C (carbon concentration) > P (phosphorus concentration), with nitrogen playing the biggest role in lipid production activities. The results can provide a fundamental understanding of nutrient availabilities’ effects on cell growth and lipid production in the algae Chlorella sp.
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Acknowledgments
This work was supported by the Open Project of State Key Laboratory of Agricultural Microbiology (AMLKF201509); Open Project of State Key Laboratory of Urban Water Resource and Environment (ESK201601); and National Natural Science Foundation of China (Nos. 50809037, 41430644, and 41273126); and Program for Changjiang Scholars and Innovative Research Team in University (No. IRT13078).
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Published In
Journal of Environmental Engineering
Volume 144 • Issue 11 • November 2018
Copyright
©2018 American Society of Civil Engineers.
History
Received: Jun 6, 2016
Accepted: May 15, 2018
Published online: Sep 13, 2018
Published in print: Nov 1, 2018
Discussion open until: Feb 13, 2019
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