Exploring the potency of integrating semi-batch operation into lipid yield performance of Chlamydomonas sp. Tai-03

Tan, Chung Hong and Show, Pau Loke and Ling, Tau Chuan and Nagarajan, Dillirani and Lee, Duu Jong and Chen, Wei Hsin and Chang, Jo-Shu (2019) Exploring the potency of integrating semi-batch operation into lipid yield performance of Chlamydomonas sp. Tai-03. Bioresource Technology, 285. p. 121331. ISSN 0960-8524

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Official URL: https://doi.org/10.1016/j.biortech.2019.121331

Abstract

Third generation biofuels, also known as microalgal biofuels, are promising alternatives to fossil fuels. One attractive option is microalgal biodiesel as a replacement for diesel fuel. Chlamydomonas sp. Tai-03 was previously optimized for maximal lipid production for biodiesel generation, achieving biomass growth and productivity of 3.48 ± 0.04 g/L and 0.43 ± 0.01 g/L/d, with lipid content and productivity of 28.6 ± 1.41% and 124.1 ± 7.57 mg/L/d. In this study, further optimization using 5% CO2 concentration and semi-batch operation with 25% medium replacement ratio, enhanced the biomass growth and productivity to 4.15 ± 0.12 g/L and 1.23 ± 0.02 g/L/d, with lipid content and productivity of 19.4 ± 2.0% and 239.6 ± 24.8 mg/L/d. The major fatty acid methyl esters (FAMEs) were palmitic acid (C16:0), oleic acid (C18:1), and linoleic acid (C18:2). These short-chain FAMEs combined with high growth make Chlamydomonas sp. Tai-03 a suitable candidate for biodiesel synthesis. © 2019 Elsevier Ltd

Item Type: Article
Uncontrolled Keywords: Biodiesel; Microalgae; Organic carbon; Medium replacement; Semi-batch
Subjects: Q Science > Q Science (General)
Q Science > QR Microbiology
T Technology > TP Chemical technology
Divisions: Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 06 Jan 2020 03:28
Last Modified: 16 Jun 2020 01:54
URI: http://eprints.um.edu.my/id/eprint/23321

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