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Elaboration of boehmite nano-powders by spray-pyrolysis

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dc.contributor.authorCaiut, J. M. A. [UNESP]
dc.contributor.authorDexpert-Ghys, J.
dc.contributor.authorKihn, Y.
dc.contributor.authorVerelst, M.
dc.contributor.authorDexpert, H.
dc.contributor.authorRibeiro, Sidney José Lima [UNESP]
dc.contributor.authorMessaddeq, Younes [UNESP]
dc.contributor.institutionCNRS
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:30:21Z
dc.date.available2014-05-20T15:30:21Z
dc.date.issued2009-03-05
dc.description.abstractBoehmite (gamma-AlOOH) synthesis have been investigated using a spray pyrolysis (SP) device starting from a stable sol of Al-tri-sec-butoxide peptized by nitric acid. Free spherical particles from 100 to 500 nm have been elaborated. Particles sub-structure is made of nano-crystalline boehmite with very small average crystallite size (one crystal cell along the b axis). The nano-crystalline boehmite synthesized by SP at low temperature (200 degrees C) is spontaneously dispersible in water without any surface treatment. Boehmite powder may be transformed to transition gamma-alumina by heat post-treatment. Powders of sub-micrometric and spherical gamma-alumina particles may also be synthesized by SP at 700 degrees C. (C) 2008 Elsevier B.V. All rights reserved.en
dc.description.affiliationCNRS, CEMES, F-31055 Toulouse, France
dc.description.affiliationUNESP, Inst Chem, Photon Mat Lab, Araraquara, SP, Brazil
dc.description.affiliationUnespUNESP, Inst Chem, Photon Mat Lab, Araraquara, SP, Brazil
dc.format.extent95-98
dc.identifierhttp://dx.doi.org/10.1016/j.powtec.2008.04.054
dc.identifier.citationPowder Technology. Lausanne: Elsevier B.V. Sa, v. 190, n. 1-2, p. 95-98, 2009.
dc.identifier.doi10.1016/j.powtec.2008.04.054
dc.identifier.issn0032-5910
dc.identifier.lattes6446047463034654
dc.identifier.lattes2998503841917815
dc.identifier.orcid0000-0003-3286-9440
dc.identifier.urihttp://hdl.handle.net/11449/39757
dc.identifier.wosWOS:000264432900019
dc.language.isoeng
dc.publisherElsevier B.V. Sa
dc.relation.ispartofPowder Technology
dc.relation.ispartofjcr3.230
dc.relation.ispartofsjr0,982
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectSpray-pyrolysisen
dc.subjectNano-powdersen
dc.subjectBoehmiteen
dc.subjectAluminaen
dc.subjectSol-gelen
dc.titleElaboration of boehmite nano-powders by spray-pyrolysisen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V. Sa
dspace.entity.typePublication
unesp.author.lattes6446047463034654
unesp.author.lattes2998503841917815
unesp.author.orcid0000-0003-3286-9440[6]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentQuímica Inorgânica - IQARpt

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Araraquara - IQAR - Instituto de Química