Efficient microalgae harvesting mediated by polysaccharides interaction with residual calcium and phosphate in the growth medium

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dc.contributor.authorRashid, Naimko
dc.contributor.authorNayak, Manoranjanko
dc.contributor.authorLee, Bongsooko
dc.contributor.authorChang, Yong-Keunko
dc.date.accessioned2019-09-24T11:20:17Z-
dc.date.available2019-09-24T11:20:17Z-
dc.date.created2019-09-24-
dc.date.issued2019-10-
dc.identifier.citationJOURNAL OF CLEANER PRODUCTION, v.234, pp.150 - 156-
dc.identifier.issn0959-6526-
dc.identifier.urihttp://hdl.handle.net/10203/267644-
dc.description.abstractThis study sets out to harvest microalgae through auto-flocculation by manipulating the interactive effect of calcium, phosphate, and polysaccharides (PSAs). The harvesting efficiency (H.E) of 91 +/- 2.7% was achieved for Ettlia sp. through auto-flocculation. The H.E was attributed to the chelation of calcium and PSAs present in microalgae medium. In the absence of PSAs, the H.E reduced to 64 + 05% only. The addition of phosphate (34 +/- 0.13 mg L-1) increased the H.E to 73 +/- 1.5%. Zeta-potential measurements showed that the harvesting was induced by charge neutralization and inter-particle bridging. The PSAs-based auto-flocculation was tested for Chlorella sp. too but it turned out the H.E of 51 +/- 1.3% only. The flocculation did not take place when the co-harvesting of Ettlia sp. and Chlorella sp. was carried out. It is concluded that each microalgae specie shows different auto-flocculation mechanism due to variation in their PSAs characteristics. It triggers up the need for setting up a distinct protocol for different microalgae species to assess their auto-flocculation potential. (C) 2019 Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCI LTD-
dc.titleEfficient microalgae harvesting mediated by polysaccharides interaction with residual calcium and phosphate in the growth medium-
dc.typeArticle-
dc.identifier.wosid000483406000015-
dc.identifier.scopusid2-s2.0-85067829484-
dc.type.rimsART-
dc.citation.volume234-
dc.citation.beginningpage150-
dc.citation.endingpage156-
dc.citation.publicationnameJOURNAL OF CLEANER PRODUCTION-
dc.identifier.doi10.1016/j.jclepro.2019.06.154-
dc.contributor.localauthorChang, Yong-Keun-
dc.contributor.nonIdAuthorRashid, Naim-
dc.contributor.nonIdAuthorNayak, Manoranjan-
dc.contributor.nonIdAuthorLee, Bongsoo-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorMicroalgae-
dc.subject.keywordAuthorHarvesting-
dc.subject.keywordAuthorAuto-flocculation-
dc.subject.keywordAuthorPSAs-
dc.subject.keywordAuthorCalcium-
dc.subject.keywordAuthorPhosphate-
dc.subject.keywordPlusCHLORELLA-VULGARIS-
dc.subject.keywordPlusLIPID-CONTENT-
dc.subject.keywordPlusMICROCYSTIS-AERUGINOSA-
dc.subject.keywordPlusORGANIC-MATTER-
dc.subject.keywordPlusFLOCCULATION-
dc.subject.keywordPlusBIOMASS-
dc.subject.keywordPlusCULTIVATION-
dc.subject.keywordPlusSUBSTANCES-
dc.subject.keywordPlusIMPACT-
dc.subject.keywordPlusMODEL-
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CBE-Journal Papers(저널논문)
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