NDLI: Influence of Exogenous CO$_{2}$ on Biomass and Lipid Accumulation of Microalgae Auxenochlorella protothecoides Cultivated in Concentrated Municipal Wastewater

Content Provider	Springer Nature Link
Author	Hu, Bing Min, Min Zhou, Wenguang Li, Yecong Mohr, Michael Cheng, Yanling Lei, Hanwu Liu, Yuhuan Lin, Xiangyang Chen, Paul Ruan, Roger
Copyright Year	2012
Abstract	The effects of exogenous CO$_{2}$ on the growth and lipid accumulation of a local screened facultative heterotrophic microalgae strain Auxenochlorella protothecoides (UMN280) as well as nutrient removal from concentrated municipal wastewater stream (centrate) were examined in this study. A 12-day batch experiment was conducted with CO$_{2}$ aeration at three levels, namely, 0%, 1%, and 5% (v/v) CO$_{2}$ mixed with air, under light intensity of 60 μmol/(m$^{2}$ @@s). A two-stage growth pattern was observed. The first stage (first–fifth day) was dominated by heterotrophic growth in which organic carbon was the main carbon source. The second stage (6th–12th day) was dominated by autotrophic growth in which exogenous CO$_{2}$ had a positive effect on algal biomass accumulation. The addition of 5% CO$_{2}$ was better than that of 1% CO$_{2}$ on the biomass and lipid production. The uptakes of nutrients were similar between injection and no injection of CO$_{2}$, except on phosphorus removal which was affected by the acidification of CO$_{2}$.
Starting Page	1661
Ending Page	1673
Page Count	13
File Format	PDF
ISSN	02732289
Journal	Applied Biochemistry and Biotechnology
Volume Number	166
Issue Number	7
e-ISSN	15590291
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-02-26
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Microalgae Mixotrophic growth Concentrated municipal wastewater Nutrient removal CO$_{2}$ Biotechnology Biochemistry
Content Type	Text
Resource Type	Article
Subject	Medicine Molecular Biology Environmental Engineering Biochemistry Bioengineering Applied Microbiology and Biotechnology Biotechnology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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