Cultivation of a new microalga, Micractinium reisseri, in municipal wastewater for nutrient removal, biomass, lipid, and fatty acid production

Reda A I Abou-Shanab; Marwa M. El-Dalatony; Mostafa M. El-Sheekh; Min Kyu Ji; El Sayed Salama; Akhil N. Kabra; Byong Hun Jeon

doi:10.1007/s12257-013-0485-z

Cultivation of a new microalga, Micractinium reisseri, in municipal wastewater for nutrient removal, biomass, lipid, and fatty acid production

Reda A I Abou-Shanab, Marwa M. El-Dalatony, Mostafa M. El-Sheekh, Min Kyu Ji, El Sayed Salama, Akhil N. Kabra, Byong Hun Jeon

Biotechnology Institute

Research output: Contribution to journal › Article › peer-review

58 Scopus citations

Abstract

Coupling of advanced wastewater treatment with microalgae cultivation for low-cost lipid production was demonstrated in this study. The microalgal species Micractinium reisseri and Scenedesmus obliquus were isolated from municipal wastewater mixed with agricultural drainage. M. reisseri was selected based on the growth rate and cultivated in municipal wastewater (influent, secondary and tertiary effluents) which varied in nutrient concentration. M. reisseri showed an optimal specific growth rate (μ_opt) of 1.15, 1.04, and 1.01 1/day for the influent and the secondary and tertiary effluents, respectively. Secondary effluent supported the highest phosphorus removal (94%) and saturated fatty acid content (40%). The highest lipid content (40%), unsaturated fatty acid content, including monounsaturated and polyunsaturated fatty acids (66%), and nitrogen removal (80%) were observed for tertiary effluent. Fatty acids accumulating in the microalgal biomass (M. reisseri) were mainly composed of palmitic acid, oleic acid, linoleic acid, and a-linolenic acid. Cultivation of M. reisseri using municipal wastewater served a dual function of nutrient removal and biofuel feedstock generation.

Original language	English (US)
Pages (from-to)	510-518
Number of pages	9
Journal	Biotechnology and Bioprocess Engineering
Volume	19
Issue number	3
DOIs	https://doi.org/10.1007/s12257-013-0485-z
State	Published - Jun 2014

Bibliographical note

Funding Information:
This work was supported by Mid-career Researcher program (the National Research Foundation of Korea, 2013069183), the Eco-Innovation project (Global-Top project: GT-SWS-11-01-006-0), and the Brain Pool program (KFSTS, Grant number: 11-150-152-1600-1658) administered by the Ministry of Education, Science and Technology (MEST).

Keywords

fatty acids
lipid
microalgae
municipal wastewater
nutrient removal

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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Cultivation of a new microalga, Micractinium reisseri, in municipal wastewater for nutrient removal, biomass, lipid, and fatty acid production. / Abou-Shanab, Reda A I; El-Dalatony, Marwa M.; El-Sheekh, Mostafa M. et al.
In: Biotechnology and Bioprocess Engineering, Vol. 19, No. 3, 06.2014, p. 510-518.

Research output: Contribution to journal › Article › peer-review

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AU - El-Dalatony, Marwa M.

AU - El-Sheekh, Mostafa M.

AU - Ji, Min Kyu

AU - Salama, El Sayed

AU - Kabra, Akhil N.

AU - Jeon, Byong Hun

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Cultivation of a new microalga, Micractinium reisseri, in municipal wastewater for nutrient removal, biomass, lipid, and fatty acid production

Abstract

Bibliographical note

Keywords

UN SDGs

Access

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