Physicochemical modifications of radioactive oil sludge by ozone treatment

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dc.contributor.authorARAUJO, LEANDRO G. dept_BR
dc.contributor.authorPRADO, EDUARDO S.P.pt_BR
dc.contributor.authorMIRANDA, FELIPE de S.pt_BR
dc.contributor.authorVICENTE, ROBERTOpt_BR
dc.contributor.authorSILVA SOBRINHO, ARGEMIRO S. dapt_BR
dc.contributor.authorPETRACONI FILHO, GILBERTOpt_BR
dc.contributor.authorMARUMO, JULIO T.pt_BR
dc.coverageInternacionalpt_BR
dc.date.accessioned2020-07-27T18:55:03Z
dc.date.available2020-07-27T18:55:03Z
dc.date.issued2020pt_BR
dc.description.abstractAn experimental study on the degradation of organic compounds from radioactive oil sludge by the ozonation process is presented. The effects of different concentrations of ozone in the oil sludge degradation over time were investigated. The experiments were performed in a 0.125 L glass reactor with magnetic stirring and a diffuser plate at the bottom to feed the ozone. The ozone concentration varied from 13 to 53 mg L−1 and the total interaction time was 1 h. To investigate the physicochemical properties of the oil sludge (solid and liquid components) prior to and after the treatment, multiple analytical characterization methods were used: Thermal Gravimetric Analysis, X-ray diffraction, Scanning Electron Microscopy coupled with Energy-Dispersive X-ray Spectroscopy, Fourier Transform Infrared spectroscopy, Spectrophotometer, and Residual Gas Analyzer. The most perceptive change is in the color of the liquid medium turned from dark brown to light yellow, especially under ozone concentrations higher than 33 mg L−1. Absorbance values decreased about 3.5 times after 30 min of treatment with [O3] =53 mg L−1. FTIR spectroscopy showed that the bands associated with the CH3 and CeH in CH2 disappeared during treatment. On the other hand, a greater presence of C]C aromatics was observed. By residual gas analysis, various organic and inorganic gases were identified during the treatment, such as CH4, H2, CO2, and H2S. Finally, the ozonation of the oil sludge proved to be effective, due to its high reaction capacity.pt_BR
dc.description.sponsorshipComissão Nacional de Energia Nuclear (CNEN)pt_BR
dc.description.sponsorshipIDCNEN: 01342.002317/2019-91pt_BR
dc.format.extent1-8pt_BR
dc.identifier.citationARAUJO, LEANDRO G. de; PRADO, EDUARDO S.P.; MIRANDA, FELIPE de S.; VICENTE, ROBERTO; SILVA SOBRINHO, ARGEMIRO S. da; PETRACONI FILHO, GILBERTO; MARUMO, JULIO T. Physicochemical modifications of radioactive oil sludge by ozone treatment. <b>Journal of Environmental Chemical Engineering</b>, v. 8, n. 5, p. 1-8, 2020. DOI: <a href="https://dx.doi.org/10.1016/j.jece.2020.104128">10.1016/j.jece.2020.104128</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/31367.
dc.identifier.doi10.1016/j.jece.2020.104128pt_BR
dc.identifier.fasciculo5pt_BR
dc.identifier.issn2213-3437pt_BR
dc.identifier.orcid0000-0003-3010-9691pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-3010-9691
dc.identifier.percentilfi79.28pt_BR
dc.identifier.percentilfiCiteScore82.50
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/31367
dc.identifier.vol8pt_BR
dc.relation.ispartofJournal of Environmental Chemical Engineeringpt_BR
dc.rightsopenAccesspt_BR
dc.subjectozone
dc.subjecttherapy
dc.subjectozonization
dc.subjectradioactivity
dc.subjectsludges
dc.subjectoxidation
dc.subjectnaturally occurring radioactive materials
dc.subjectfourier transformation
dc.subjectthermal gravimetric analysis
dc.titlePhysicochemical modifications of radioactive oil sludge by ozone treatmentpt_BR
dc.typeArtigo de periódicopt_BR
dspace.entity.typePublication
ipen.autorROBERTO VICENTE
ipen.autorJULIO TAKEHIRO MARUMO
ipen.autorEDUARDO SANT'ANA PETRACONI PRADO
ipen.autorLEANDRO GOULART DE ARAUJO
ipen.codigoautor1404
ipen.codigoautor826
ipen.codigoautor12119
ipen.codigoautor10132
ipen.contributor.ipenauthorROBERTO VICENTE
ipen.contributor.ipenauthorJULIO TAKEHIRO MARUMO
ipen.contributor.ipenauthorEDUARDO SANT'ANA PETRACONI PRADO
ipen.contributor.ipenauthorLEANDRO GOULART DE ARAUJO
ipen.date.recebimento20-07
ipen.identifier.fi5.909pt_BR
ipen.identifier.fiCiteScore7.5
ipen.identifier.ipendoc27144pt_BR
ipen.identifier.iwosWoSpt_BR
ipen.range.fi4.500 - 5.999
ipen.range.percentilfi75.00 - 100.00
ipen.type.genreArtigo
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relation.isAuthorOfPublication4555167f-0f50-4308-be74-c5a0f15d5dda
relation.isAuthorOfPublication32b53e21-1574-4b6e-b610-d0bb125d140d
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relation.isAuthorOfPublication.latestForDiscoverya0d4f881-138c-4443-9866-dc80ec84a861
sigepi.autor.atividadeMARUMO, JULIO T.:826:1120:Npt_BR
sigepi.autor.atividadeVICENTE, ROBERTO:1404:1120:Npt_BR
sigepi.autor.atividadePRADO, EDUARDO S.P.:12119:1120:Npt_BR
sigepi.autor.atividadeARAUJO, LEANDRO G. de:10132:1120:Spt_BR
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