Recovery of 131I from fission 99Mo production process by distillation method

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dc.contributor.authorDAMASCENO, MARCOS O.
dc.contributor.authorBALOGH, TATIANA S.
dc.contributor.authorFORBICINI, CHRISTINA A.L.G. de O.
dc.coverageInternacionalpt_BR
dc.creator.eventoINTERNATIONAL NUCLEAR ATLANTIC CONFERENCEpt_BR
dc.date.accessioned2018-01-12T13:11:07Z
dc.date.available2018-01-12T13:11:07Z
dc.date.eventoOctober 22-27, 2017pt_BR
dc.description.abstractThe results of one of the recovery stages of 131I as a byproduct of the 99Mo fission production process are presented in this work. A modified wet-distillation apparatus was used for iodide purification and some work parameters were tested. The assays included iodide anion eluent, concentration of H2SO4, H2O2, the catalyst effect of MoO3, temperature and time process. The results of eluting anions demonstrated lower recovery of 131I using nitrate salt. The sulfate solution and its respective acid (H2SO4) at concentration 1.6 M, presented better results. Hydrogen peroxide was used as a main oxidant of the ions iodide, the experiments realized with 6 mL of H2O2 3% showed higher recovery than assays prepared with H2O2 higher and lower amount. Molybdenum oxide was evaluated as catalyst of iodine in solution; however, the results did not demonstrate an advantage in relation to its absence. In addition, the recovery of iodide was delayed at initial periods of the process in presence of the catalyst, leading to an increase on time process. Temperature decrease of distillation solution from 80 to 50 °C showed advantageous since the recovery yields were similar beside a lower wet drag to trap solution. Time distillation was carried out at least four hours with sampling each hour; the best times were between 1 and 2 hours. Shorter periods of distillation avoid dilution of the capture solution on the further recovery process. Several parameters were studied and it was possible to set up system that provided 131I recovery around 50% yield.pt_BR
dc.event.siglaINACpt_BR
dc.identifier.citationDAMASCENO, MARCOS O.; BALOGH, TATIANA S.; FORBICINI, CHRISTINA A.L.G. de O. Recovery of 131I from fission 99Mo production process by distillation method. In: INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE, October 22-27, 2017, Belo Horizonte, MG. <b>Proceedings...</b> Rio de Janeiro, RJ: Associação Brasileira de Energia Nuclear, 2017. Disponível em: http://repositorio.ipen.br/handle/123456789/28307.
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/28307
dc.localRio de Janeiro, RJpt_BR
dc.local.eventoBelo Horizonte, MGpt_BR
dc.publisherAssociação Brasileira de Energia Nuclearpt_BR
dc.rightsopenAccesspt_BR
dc.subjecthydrogen peroxide
dc.subjectfission
dc.subjectiodine 131
dc.subjectdistillation
dc.subjectdistillation equipment
dc.subjectmolybdenum oxides
dc.subjectcatalytic effects
dc.titleRecovery of 131I from fission 99Mo production process by distillation methodpt_BR
dc.typeTexto completo de eventopt_BR
dspace.entity.typePublication
ipen.autorTATIANA SANTANA BALOGH
ipen.autorCHRISTINA APARECIDA LEAO GUEDES DE OLIVEIRA FORBICINI
ipen.autorMARCOS OLIVEIRA DAMASCENO
ipen.codigoautor14431
ipen.codigoautor647
ipen.codigoautor9703
ipen.contributor.ipenauthorTATIANA SANTANA BALOGH
ipen.contributor.ipenauthorCHRISTINA APARECIDA LEAO GUEDES DE OLIVEIRA FORBICINI
ipen.contributor.ipenauthorMARCOS OLIVEIRA DAMASCENO
ipen.date.recebimento18-01pt_BR
ipen.event.datapadronizada2017pt_BR
ipen.identifier.ipendoc24142pt_BR
ipen.notas.internasProceedingspt_BR
ipen.type.genreArtigo
relation.isAuthorOfPublicationb1f1c387-fb7b-4445-93d5-678576c4aa8d
relation.isAuthorOfPublication8cc41678-1fda-46f0-b147-9e04d74d9082
relation.isAuthorOfPublication40b53441-3fc8-4006-8ad1-c2d87ae6a821
relation.isAuthorOfPublication.latestForDiscovery40b53441-3fc8-4006-8ad1-c2d87ae6a821
sigepi.autor.atividadeDAMASCENO, MARCOS O.:9703:520:Spt_BR
sigepi.autor.atividadeBALOGH, TATIANA S.:14431:-1:Npt_BR
sigepi.autor.atividadeFORBICINI, CHRISTINA A.L.G. DE O.:647:520:Npt_BR
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