Optimization of microalgae oil extraction under ultrasound and microwave irradiation
BACKGROUND Microalgae are one of the most promising biofuel sources that the world has to offer; nevertheless the conversion process is hampered by technical and economic problems that are mainly related to de‐watering and extraction. The efficiency of the process can be dramatically improved by mea...
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Veröffentlicht in: | Journal of chemical technology and biotechnology (1986) 2014-11, Vol.89 (11), p.1779-1784 |
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container_title | Journal of chemical technology and biotechnology (1986) |
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creator | Bermúdez Menéndez, José Miguel Arenillas, Ana Menéndez Díaz, Jose Ángel Boffa, Luisa Mantegna, Stefano Binello, Arianna Cravotto, Giancarlo |
description | BACKGROUND
Microalgae are one of the most promising biofuel sources that the world has to offer; nevertheless the conversion process is hampered by technical and economic problems that are mainly related to de‐watering and extraction. The efficiency of the process can be dramatically improved by means of non‐conventional techniques such as ultrasound (US) and microwaves (MW). Scaling‐up feasibility is strictly linked to reactor efficiency, energy consumption, environmental impact and overall cost. In the present work, the optimization of lipid extraction from Nannochloropsis gaditana microalga is investigated.
RESULTS
A series of selected solvent mixtures and procedures have been tested and compared. Conventional extraction procedures with chloroform/methanol mixtures and fast US‐ and MW‐assisted extractions with methanol gave comparable fatty acid (FA) w/w% from dried microalgae. The highest extraction yield and lowest energy consumption was found to occur under MW irradiation, especially at high temperatures and under pressure.
CONCLUSION
This study highlights the advantages of US‐ and MW‐assisted lipid extraction from microalgae, both in terms of efficiency and operational costs. © 2013 Society of Chemical Industry |
doi_str_mv | 10.1002/jctb.4272 |
format | Article |
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Microalgae are one of the most promising biofuel sources that the world has to offer; nevertheless the conversion process is hampered by technical and economic problems that are mainly related to de‐watering and extraction. The efficiency of the process can be dramatically improved by means of non‐conventional techniques such as ultrasound (US) and microwaves (MW). Scaling‐up feasibility is strictly linked to reactor efficiency, energy consumption, environmental impact and overall cost. In the present work, the optimization of lipid extraction from Nannochloropsis gaditana microalga is investigated.
RESULTS
A series of selected solvent mixtures and procedures have been tested and compared. Conventional extraction procedures with chloroform/methanol mixtures and fast US‐ and MW‐assisted extractions with methanol gave comparable fatty acid (FA) w/w% from dried microalgae. The highest extraction yield and lowest energy consumption was found to occur under MW irradiation, especially at high temperatures and under pressure.
CONCLUSION
This study highlights the advantages of US‐ and MW‐assisted lipid extraction from microalgae, both in terms of efficiency and operational costs. © 2013 Society of Chemical Industry</description><identifier>ISSN: 0268-2575</identifier><identifier>EISSN: 1097-4660</identifier><identifier>DOI: 10.1002/jctb.4272</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>biofuels ; Economics ; Energy consumption ; Extraction ; Irradiation ; Lipids ; Methyl alcohol ; microalgae ; Microwaves ; Nannochloropsis gaditana ; Optimization ; Ultrasound</subject><ispartof>Journal of chemical technology and biotechnology (1986), 2014-11, Vol.89 (11), p.1779-1784</ispartof><rights>2013 Society of Chemical Industry</rights><rights>2014 Society of Chemical Industry</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5432-74fdf57b8cf682b586698d8edb22a934311076152c5cba58e354bbbbe35f92ad3</citedby><cites>FETCH-LOGICAL-c5432-74fdf57b8cf682b586698d8edb22a934311076152c5cba58e354bbbbe35f92ad3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fjctb.4272$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fjctb.4272$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Bermúdez Menéndez, José Miguel</creatorcontrib><creatorcontrib>Arenillas, Ana</creatorcontrib><creatorcontrib>Menéndez Díaz, Jose Ángel</creatorcontrib><creatorcontrib>Boffa, Luisa</creatorcontrib><creatorcontrib>Mantegna, Stefano</creatorcontrib><creatorcontrib>Binello, Arianna</creatorcontrib><creatorcontrib>Cravotto, Giancarlo</creatorcontrib><title>Optimization of microalgae oil extraction under ultrasound and microwave irradiation</title><title>Journal of chemical technology and biotechnology (1986)</title><addtitle>J. Chem. Technol. Biotechnol</addtitle><description>BACKGROUND
Microalgae are one of the most promising biofuel sources that the world has to offer; nevertheless the conversion process is hampered by technical and economic problems that are mainly related to de‐watering and extraction. The efficiency of the process can be dramatically improved by means of non‐conventional techniques such as ultrasound (US) and microwaves (MW). Scaling‐up feasibility is strictly linked to reactor efficiency, energy consumption, environmental impact and overall cost. In the present work, the optimization of lipid extraction from Nannochloropsis gaditana microalga is investigated.
RESULTS
A series of selected solvent mixtures and procedures have been tested and compared. Conventional extraction procedures with chloroform/methanol mixtures and fast US‐ and MW‐assisted extractions with methanol gave comparable fatty acid (FA) w/w% from dried microalgae. The highest extraction yield and lowest energy consumption was found to occur under MW irradiation, especially at high temperatures and under pressure.
CONCLUSION
This study highlights the advantages of US‐ and MW‐assisted lipid extraction from microalgae, both in terms of efficiency and operational costs. © 2013 Society of Chemical Industry</description><subject>biofuels</subject><subject>Economics</subject><subject>Energy consumption</subject><subject>Extraction</subject><subject>Irradiation</subject><subject>Lipids</subject><subject>Methyl alcohol</subject><subject>microalgae</subject><subject>Microwaves</subject><subject>Nannochloropsis gaditana</subject><subject>Optimization</subject><subject>Ultrasound</subject><issn>0268-2575</issn><issn>1097-4660</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNqNkV1LwzAUhoMoOKcX_oOCN3rRLUmbj166qZs63M1klyFtU8nsx0xat_nrTdfhhSAYOBxy8rwvObwAXCI4QBDi4Sqp40GIGT4CPQQj5oeUwmPQg5hyHxNGTsGZtSsIIeWY9sBivq51ob9kravSqzKv0ImpZP4mlVfp3FPb2shk_9iUqTJek7uBrdzFk672-EZ-Kk8bI1O99zkHJ5nMrbo49D54fbhfjKf-bD55HN_O_ISEAfZZmKUZYTFPMveZmHBKI55ylcYYyygIA4Qgo4jghCSxJFwFJIzdcT2LsEyDPrjufNem-miUrUWhbaLyXJaqaqxAlLEIEYiDf6A0xAhzjhx69QtdVY0p3SKOIhGHHLPW8Kaj3P7WGpWJtdGFNDuBoGijEG0Uoo3CscOO3ehc7f4GxdN4MToo_E6hba22Pwpp3gVlASNi-TIRdBotw7vlsxgF32Uomls</recordid><startdate>201411</startdate><enddate>201411</enddate><creator>Bermúdez Menéndez, José Miguel</creator><creator>Arenillas, Ana</creator><creator>Menéndez Díaz, Jose Ángel</creator><creator>Boffa, Luisa</creator><creator>Mantegna, Stefano</creator><creator>Binello, Arianna</creator><creator>Cravotto, Giancarlo</creator><general>John Wiley & Sons, Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7QR</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>F1W</scope><scope>H95</scope><scope>H98</scope><scope>L.G</scope><scope>M7N</scope><scope>7SU</scope></search><sort><creationdate>201411</creationdate><title>Optimization of microalgae oil extraction under ultrasound and microwave irradiation</title><author>Bermúdez Menéndez, José Miguel ; Arenillas, Ana ; Menéndez Díaz, Jose Ángel ; Boffa, Luisa ; Mantegna, Stefano ; Binello, Arianna ; Cravotto, Giancarlo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5432-74fdf57b8cf682b586698d8edb22a934311076152c5cba58e354bbbbe35f92ad3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>biofuels</topic><topic>Economics</topic><topic>Energy consumption</topic><topic>Extraction</topic><topic>Irradiation</topic><topic>Lipids</topic><topic>Methyl alcohol</topic><topic>microalgae</topic><topic>Microwaves</topic><topic>Nannochloropsis gaditana</topic><topic>Optimization</topic><topic>Ultrasound</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Bermúdez Menéndez, José Miguel</creatorcontrib><creatorcontrib>Arenillas, Ana</creatorcontrib><creatorcontrib>Menéndez Díaz, Jose Ángel</creatorcontrib><creatorcontrib>Boffa, Luisa</creatorcontrib><creatorcontrib>Mantegna, Stefano</creatorcontrib><creatorcontrib>Binello, Arianna</creatorcontrib><creatorcontrib>Cravotto, Giancarlo</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Aquaculture Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Environmental Engineering Abstracts</collection><jtitle>Journal of chemical technology and biotechnology (1986)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bermúdez Menéndez, José Miguel</au><au>Arenillas, Ana</au><au>Menéndez Díaz, Jose Ángel</au><au>Boffa, Luisa</au><au>Mantegna, Stefano</au><au>Binello, Arianna</au><au>Cravotto, Giancarlo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optimization of microalgae oil extraction under ultrasound and microwave irradiation</atitle><jtitle>Journal of chemical technology and biotechnology (1986)</jtitle><addtitle>J. Chem. Technol. Biotechnol</addtitle><date>2014-11</date><risdate>2014</risdate><volume>89</volume><issue>11</issue><spage>1779</spage><epage>1784</epage><pages>1779-1784</pages><issn>0268-2575</issn><eissn>1097-4660</eissn><abstract>BACKGROUND
Microalgae are one of the most promising biofuel sources that the world has to offer; nevertheless the conversion process is hampered by technical and economic problems that are mainly related to de‐watering and extraction. The efficiency of the process can be dramatically improved by means of non‐conventional techniques such as ultrasound (US) and microwaves (MW). Scaling‐up feasibility is strictly linked to reactor efficiency, energy consumption, environmental impact and overall cost. In the present work, the optimization of lipid extraction from Nannochloropsis gaditana microalga is investigated.
RESULTS
A series of selected solvent mixtures and procedures have been tested and compared. Conventional extraction procedures with chloroform/methanol mixtures and fast US‐ and MW‐assisted extractions with methanol gave comparable fatty acid (FA) w/w% from dried microalgae. The highest extraction yield and lowest energy consumption was found to occur under MW irradiation, especially at high temperatures and under pressure.
CONCLUSION
This study highlights the advantages of US‐ and MW‐assisted lipid extraction from microalgae, both in terms of efficiency and operational costs. © 2013 Society of Chemical Industry</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><doi>10.1002/jctb.4272</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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source | Wiley Online Library Journals Frontfile Complete |
subjects | biofuels Economics Energy consumption Extraction Irradiation Lipids Methyl alcohol microalgae Microwaves Nannochloropsis gaditana Optimization Ultrasound |
title | Optimization of microalgae oil extraction under ultrasound and microwave irradiation |
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