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dc.contributor.authorSilva, Fernanda Vargas ept_BR
dc.contributor.authorLansarin, Marla Azariopt_BR
dc.contributor.authorMoro, Celso Camilopt_BR
dc.date.accessioned2013-11-07T01:47:06Zpt_BR
dc.date.issued2012pt_BR
dc.identifier.issn1851-8796pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/80055pt_BR
dc.description.abstractThe photocatalytic degradation of phenol was studied using slurry and immobilized TiO2 as catalysts in order to compare the specific reaction rate constants, ks and kp. Losses from phenol evaporation, the time necessary to reach adsorption equilibrium, irradiation effects and photolysis rates were quantified. ks was determined under rateoptimizing operating conditions, and kp was determined using the amount of immobilized catalyst mass that gave the maximum pollutant degradation rates. ks was two times larger than kp when the calculations were made on catalyst mass basis. Experiments performed to study catalyst deactivation showed that kp was approximately one-half of its initial value after 18 hours of phenol photodegradation. Also, among the photocatalytic degradation reactions of rhodamine B, tetracycline and phenol, the ratio of ks to kp was between 2.1 and 5.3 when the calculations were made on catalyst mass basis.en
dc.format.mimetypeapplication/pdf
dc.language.isoengpt_BR
dc.relation.ispartofLatin american applied research = Pesquisa aplicada latinoamericana = Investigación aplicada latinoamericana. Bahía Blanca. Vol. 42, n. 3 (2012), p. 275-280pt_BR
dc.rightsOpen Accessen
dc.subjectTetraciclinapt_BR
dc.subjectPhenolen
dc.subjectRhodamine Ben
dc.subjectFotodegradaçãopt_BR
dc.subjectTetracyclineen
dc.subjectCatálisept_BR
dc.subjectPhotocatalysisen
dc.subjectTiO2en
dc.titleA comparison of slurry and immobilized TIO2 in the photocatalytic degradationpt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000879164pt_BR
dc.type.originEstrangeiropt_BR


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