Application of carbon composite adsorbents prepared from coffee waste and clay for the removal of reactive dyes from aqueous solutions

dc.creatorSANTOS, Davis Castro dos
dc.creatorADEBAYO, Matthew Ayorinde
dc.creatorLIMA, Éder Cláudio
dc.creatorPEREIRA, Simone de Fátima Pinheiro
dc.creatorCATALUÑA VESES, Renato
dc.creatorSAUCIER, Caroline
dc.creatorTHUE, Pascal Silas
dc.creatorMACHADO, Fernando Machado
dc.date.accessioned2015-11-09T14:40:08Z
dc.date.available2015-11-09T14:40:08Z
dc.date.issued2015-05
dc.description.abstractA novel carbon composite was prepared from a mixture of coffee waste and clay with inorganic:organic ratio of 1.3 (CC-1.3). The mixture was pyrolysed at 700 °C. Considering the application of this adsorbent for removal of anionic dyes, the CC-1.3 was treated with a 6 mol L-1 HCl for 24 h to obtain ACC-1.3. Fourier transform infrared (FTIR), N2 adsorption/desorption curves, scanning electron microscope (SEM) and powder X-ray diffractometry (XRD) were used for characterisation of CC-1.3 and ACC-1.3 carbon adsorbents. The adsorbents were effectively utilised for removal of reactive blue 19 (RB-19) and reactive violet 5 (RV-5) textile dyes from aqueous solutions. The maximum amounts of RB-19 dye adsorbed at 25 °C are 63.59 (CC-1.3) and 110.6 mg g-1 (ACC-1.3), and 54.34 (CC-1.3) and 94.32 mg g-1 (ACC-1.3) for RV-5 dye. Four simulated dye-house effluents were used to test the application of the adsorbents for treatment of effluents.pt_BR
dc.identifier.citationSANTOS, Davis Castro dos et al. Application of carbon composite adsorbents prepared from coffee waste and clay for the removal of reactive dyes from aqueous solutions. Journal of the Brazilian Chemical Society, São Paulo, v. 26, n. 5, p. 924-938, maio 2015. Disponível em: <http://www.scielo.br/pdf/jbchs/v26n5/0103-5053-jbchs-26-05-0924.pdf>. Acesso em: 5 nov. 2015. <http://dx.doi.org/10.5935/0103-5053.20150053>.pt_BR
dc.identifier.issn1678-4790
dc.identifier.urihttps://repositorio.ufpa.br/handle/2011/6971
dc.language.isoengpt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectAdsorçãopt_BR
dc.subjectCompostos de carbonopt_BR
dc.subjectEfluentes industriaispt_BR
dc.titleApplication of carbon composite adsorbents prepared from coffee waste and clay for the removal of reactive dyes from aqueous solutionspt_BR
dc.typeArtigo de Periódicopt_BR

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