Co-production of biodiesel and alginate from Laminaria japonica

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dc.contributor.authorKim, Ga-Yeongko
dc.contributor.authorSeo, Yeong Hwanko
dc.contributor.authorKim, Ilgookko
dc.contributor.authorHan, Jong-Inko
dc.date.accessioned2019-06-17T02:50:03Z-
dc.date.available2019-06-17T02:50:03Z-
dc.date.created2019-06-12-
dc.date.created2019-06-12-
dc.date.issued2019-07-
dc.identifier.citationSCIENCE OF THE TOTAL ENVIRONMENT, v.673, pp.750 - 755-
dc.identifier.issn0048-9697-
dc.identifier.urihttp://hdl.handle.net/10203/262612-
dc.description.abstractA process to produce both biodiesel and alginate in an integrated manner from a brown seaweed, Laminuria japonica, was established. Mannitol, a major carbon constituent in L. japonica, served to produce neutral lipids via the heterotrophic cultivation of an oleaginous yeast, Cryptococcus sp.; and simultaneously alginate, a high value product, was extracted to enhance the economic feasibility of the entire process. Only autoclave pretreatment, without need of any chemical agents, was enough to recover all the essential nutrients for the yeast cultivation. Specifically, it could recover 6.4 g L-1 of mannitol to a degree comparable to 6.6 g L-1 obtained by acid-aided pretreatment using 1.500 (v/v) of H2SO4. Maximum fatty acids methyl esters (FAME) content was 30.37% with FAME productivity of 0.56 g L-1 d(-1), and the produced FAME could meet the biodiesel quality standards. Na2CO3-based method showed the best efficiency of alginate recovery, yielding 21.06% (w/w). This study supports that L japonica can indeed be a promising low-cost feedstock for biodiesel production, and it is more so when a high-value product alginate is co-produced. (C) 2019 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE BV-
dc.titleCo-production of biodiesel and alginate from Laminaria japonica-
dc.typeArticle-
dc.identifier.wosid000466418300077-
dc.identifier.scopusid2-s2.0-85064281935-
dc.type.rimsART-
dc.citation.volume673-
dc.citation.beginningpage750-
dc.citation.endingpage755-
dc.citation.publicationnameSCIENCE OF THE TOTAL ENVIRONMENT-
dc.identifier.doi10.1016/j.scitotenv.2019.04.049-
dc.contributor.localauthorHan, Jong-In-
dc.contributor.nonIdAuthorSeo, Yeong Hwan-
dc.contributor.nonIdAuthorKim, Ilgook-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorBiodiesel-
dc.subject.keywordAuthorBiorefinery-
dc.subject.keywordAuthorLaminaria japonica-
dc.subject.keywordAuthorAlginate-
dc.subject.keywordAuthorCryptococcus sp.-
dc.subject.keywordPlusFATTY-ACID-COMPOSITION-
dc.subject.keywordPlusCARBON-SOURCES-
dc.subject.keywordPlusBROWN-ALGAE-
dc.subject.keywordPlusOIL-
dc.subject.keywordPlusHYDROLYSATE-
dc.subject.keywordPlusGLYCEROL-
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CE-Journal Papers(저널논문)
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