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Recovery of aluminium from a hazardous waste by precipitation as boehmite

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dc.book.title1st Spanish National Conference on Advances in Materials Recycling and Eco – Energy
dc.contributor.authorGonzalo Delgado, Laura
dc.contributor.authorLópez Delgado, Aurora
dc.contributor.authorLópez De Andrés, María Sol
dc.contributor.authorLópez Gómez, Félix Antonio
dc.contributor.authorAlguacil, Francisco José
dc.contributor.editorLópez, F.A.
dc.contributor.editorPuertas, F.
dc.contributor.editorAlguacil, Francisco José
dc.contributor.editorGuerrero, A.
dc.date.accessioned2023-06-20T13:38:06Z
dc.date.available2023-06-20T13:38:06Z
dc.date.issued2009
dc.description.abstractBoehmite was synthesized by a low temperature hydrothermal procedure, via sol-gel, from an aluminium hazardous waste (AHW). The method consisted of a first stage of acid digestion to solubilize the metal content, and a second stage of gel precipitation in alkaline medium. Several experiments were performed to study the effect of concentration, time and pH not only on the recovery of aluminium but on the purity of boehmite. A nanocrystalline boehmite was obtained as unique phase at pH8. At pH9 boehmite is obtained along with norstrandite. The complete characterization of samples was carried out by XRD, MEB, and TG/DTA. The procedure allows the recovery of 90% of the soluble aluminium content in the waste.
dc.description.departmentDepto. de Mineralogía y Petrología
dc.description.facultyFac. de Ciencias Geológicas
dc.description.refereedTRUE
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/15399
dc.identifier.isbn978-84-7292-398-0
dc.identifier.urihttps://hdl.handle.net/20.500.14352/53118
dc.language.isoeng
dc.publication.placeMadrid
dc.publisherNST. CIENCIAS CONSTRUCCIÓN EDUARDO TORROJA
dc.rights.accessRightsopen access
dc.subject.cdu553.492
dc.subject.keywordAluminium hazardous waste
dc.subject.keywordBoehmite
dc.subject.keywordLow temperature hydrothermal synthesis
dc.subject.ucmMineralogía (Geología)
dc.subject.unesco2506.11 Mineralogía
dc.titleRecovery of aluminium from a hazardous waste by precipitation as boehmite
dc.typebook part
dspace.entity.typePublication
relation.isAuthorOfPublicatione8889f99-6c40-4a0d-a11b-d305a8a9ecea
relation.isAuthorOfPublication.latestForDiscoverye8889f99-6c40-4a0d-a11b-d305a8a9ecea

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