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Conversion of fern (Pteris vittata L.) biomass from a phytoremediation trial in sub- and supercritical water conditions

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCARRIER, Marion
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorLOPPINET-SERANI, Anne
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorABSALON, Christelle
hal.structure.identifierLaboratoire de Génie Thermique Énergétique et Procédés (EA1932) [LATEP]
dc.contributor.authorMARIAS, Frederic
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorAYMONIER, Cyril
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorMENCH, Michel
dc.date.issued2011
dc.identifier.issn0961-9534
dc.description.abstractEnUncontaminated and As-contaminated fronds of <i>Pteris vittata</i> L., an As-hyperaccumulator fern used to phytoextract As from contaminated soils and water, were converted by sub-critical water (300 °C, 25 Pa) and supercritical water (400 °C, 25 Pa) treatments. Frond biomass was reduced between 70 and 77%. Compared to sub-critical conditions, supercritical conditions decreased C and inorganic contents in both the solid and liquid phases for uncontaminated and contaminated fronds and promoted CH<sub>4</sub> formation. Higher As, Fe and Zn contents in contaminated fronds promoted decreasing C contents and the formations of cyclopentenones and benzenediols in the liquid phase. Al, Fe, P, Zn and Ca mainly remained in the solid phase whereas As and S were transferred to the liquid phase for both phytomasses. As the temperature increased from 300 °C to 400 °C, the concentrations of cyclopentenones and phenols in the liquid phase rose while those of guaiacols and other compounds decreased for both phytomasses. Arsenic in the liquid phase was removed by sorption on hydrous iron oxide.
dc.language.isoen
dc.publisherElsevier
dc.subject.enPhytoremediation
dc.subject.enSubcritical water
dc.subject.enSupercritical water
dc.subject.enArsenic
dc.subject.enAmorphous iron hydroxide
dc.title.enConversion of fern (Pteris vittata L.) biomass from a phytoremediation trial in sub- and supercritical water conditions
dc.typeArticle de revue
dc.identifier.doi10.1016/j.biombioe.2010.11.007
dc.subject.halChimie/Matériaux
bordeaux.journalBiomass and Bioenergy
bordeaux.page872-883
bordeaux.volume35
bordeaux.issue2
bordeaux.peerReviewedoui
hal.identifierhal-00553241
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00553241v1
bordeaux.COinSctx_ver=Z39.88-2004&amp;rft_val_fmt=info:ofi/fmt:kev:mtx:journal&amp;rft.jtitle=Biomass%20and%20Bioenergy&amp;rft.date=2011&amp;rft.volume=35&amp;rft.issue=2&amp;rft.spage=872-883&amp;rft.epage=872-883&amp;rft.eissn=0961-9534&amp;rft.issn=0961-9534&amp;rft.au=CARRIER,%20Marion&amp;LOPPINET-SERANI,%20Anne&amp;ABSALON,%20Christelle&amp;MARIAS,%20Frederic&amp;AYMONIER,%20Cyril&amp;rft.genre=article


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