Lipid extraction from Chlorella vulgaris by molten-salt/ionic-liquid mixtures

Sun A. Choi; Jin Suk Lee; You Kwan Oh; Min Ji Jeong; Seung Wook Kim; Ji Yeon Park

doi:10.1016/j.algal.2013.11.013

Lipid extraction from Chlorella vulgaris by molten-salt/ionic-liquid mixtures

Sun A. Choi, Jin Suk Lee, You Kwan Oh, Min Ji Jeong, Seung Wook Kim, Ji Yeon Park

Department of Chemical and Biological Engineering

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

43 Citations (Scopus)

Abstract

In this study, lipid extraction from Chlorella vulgaris was performed by using mixtures of molten salt and ionic liquid. The yield-enhancing effects of blending of molten salt with ionic liquid were investigated. Among the three molten salts (Zn(NO₃)₂·6H₂O, Mg(ClO₄)₂·6H₂O, and FeCl₃·6H₂O), FeCl₃·6H₂O showed a high lipid extraction yield (113.0mg/g cell) and good reaction performance. When FeCl₃·6H₂O was mixed with [Emim]OAc (5:1, w/w), the lipid extraction yield increased to 227.6mg/g cell, a performance similar to that of single [Emim]OAc (218.7mg/g cell). When lipid was extracted by the FeCl₃·6H₂O/[Emim]OAc mixture at a 5:1 (w/w) blending ratio, 90°C temperature, and 1h duration, the fatty acid content of the extracted lipid was 981.7mg/g lipid, indicating less than 2% impurity. The lipid extraction from C. vulgaris was improved by the synergistic effects of molten salt and ionic liquid with different ions.

Original language	English
Pages (from-to)	44-48
Number of pages	5
Journal	Algal Research
Volume	3
Issue number	1
DOIs	https://doi.org/10.1016/j.algal.2013.11.013
Publication status	Published - 2014

Keywords

Chlorella vulgaris
Fatty acids content
Ionic liquid
Lipid extraction
Microalgal oil
Molten salt

ASJC Scopus subject areas

Agronomy and Crop Science

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title = "Lipid extraction from Chlorella vulgaris by molten-salt/ionic-liquid mixtures",

abstract = "In this study, lipid extraction from Chlorella vulgaris was performed by using mixtures of molten salt and ionic liquid. The yield-enhancing effects of blending of molten salt with ionic liquid were investigated. Among the three molten salts (Zn(NO3)2·6H2O, Mg(ClO4)2·6H2O, and FeCl3·6H2O), FeCl3·6H2O showed a high lipid extraction yield (113.0mg/g cell) and good reaction performance. When FeCl3·6H2O was mixed with [Emim]OAc (5:1, w/w), the lipid extraction yield increased to 227.6mg/g cell, a performance similar to that of single [Emim]OAc (218.7mg/g cell). When lipid was extracted by the FeCl3·6H2O/[Emim]OAc mixture at a 5:1 (w/w) blending ratio, 90°C temperature, and 1h duration, the fatty acid content of the extracted lipid was 981.7mg/g lipid, indicating less than 2% impurity. The lipid extraction from C. vulgaris was improved by the synergistic effects of molten salt and ionic liquid with different ions.",

keywords = "Chlorella vulgaris, Fatty acids content, Ionic liquid, Lipid extraction, Microalgal oil, Molten salt",

author = "Choi, {Sun A.} and Lee, {Jin Suk} and Oh, {You Kwan} and Jeong, {Min Ji} and Kim, {Seung Wook} and Park, {Ji Yeon}",

note = "Funding Information: This work was supported by the New & Renewable Energy Technology Development Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korean government Ministry of Knowledge Economy (No. 20123010090010 ) and by the Advanced Biomass R&D Center (ABC) of Global Frontier Project funded by the Ministry of Education, Science and Technology ( ABC-2012-053880 ). Copyright: Copyright 2014 Elsevier B.V., All rights reserved.",

year = "2014",

doi = "10.1016/j.algal.2013.11.013",

language = "English",

volume = "3",

pages = "44--48",

journal = "Algal Research",

issn = "2211-9264",

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T1 - Lipid extraction from Chlorella vulgaris by molten-salt/ionic-liquid mixtures

AU - Choi, Sun A.

AU - Lee, Jin Suk

AU - Oh, You Kwan

AU - Jeong, Min Ji

AU - Kim, Seung Wook

AU - Park, Ji Yeon

N1 - Funding Information: This work was supported by the New & Renewable Energy Technology Development Program of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korean government Ministry of Knowledge Economy (No. 20123010090010 ) and by the Advanced Biomass R&D Center (ABC) of Global Frontier Project funded by the Ministry of Education, Science and Technology ( ABC-2012-053880 ). Copyright: Copyright 2014 Elsevier B.V., All rights reserved.

PY - 2014

Y1 - 2014

N2 - In this study, lipid extraction from Chlorella vulgaris was performed by using mixtures of molten salt and ionic liquid. The yield-enhancing effects of blending of molten salt with ionic liquid were investigated. Among the three molten salts (Zn(NO3)2·6H2O, Mg(ClO4)2·6H2O, and FeCl3·6H2O), FeCl3·6H2O showed a high lipid extraction yield (113.0mg/g cell) and good reaction performance. When FeCl3·6H2O was mixed with [Emim]OAc (5:1, w/w), the lipid extraction yield increased to 227.6mg/g cell, a performance similar to that of single [Emim]OAc (218.7mg/g cell). When lipid was extracted by the FeCl3·6H2O/[Emim]OAc mixture at a 5:1 (w/w) blending ratio, 90°C temperature, and 1h duration, the fatty acid content of the extracted lipid was 981.7mg/g lipid, indicating less than 2% impurity. The lipid extraction from C. vulgaris was improved by the synergistic effects of molten salt and ionic liquid with different ions.

AB - In this study, lipid extraction from Chlorella vulgaris was performed by using mixtures of molten salt and ionic liquid. The yield-enhancing effects of blending of molten salt with ionic liquid were investigated. Among the three molten salts (Zn(NO3)2·6H2O, Mg(ClO4)2·6H2O, and FeCl3·6H2O), FeCl3·6H2O showed a high lipid extraction yield (113.0mg/g cell) and good reaction performance. When FeCl3·6H2O was mixed with [Emim]OAc (5:1, w/w), the lipid extraction yield increased to 227.6mg/g cell, a performance similar to that of single [Emim]OAc (218.7mg/g cell). When lipid was extracted by the FeCl3·6H2O/[Emim]OAc mixture at a 5:1 (w/w) blending ratio, 90°C temperature, and 1h duration, the fatty acid content of the extracted lipid was 981.7mg/g lipid, indicating less than 2% impurity. The lipid extraction from C. vulgaris was improved by the synergistic effects of molten salt and ionic liquid with different ions.

KW - Chlorella vulgaris

KW - Fatty acids content

KW - Ionic liquid

KW - Lipid extraction

KW - Microalgal oil

KW - Molten salt

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ER -

Lipid extraction from Chlorella vulgaris by molten-salt/ionic-liquid mixtures

Abstract

Keywords

ASJC Scopus subject areas

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