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

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dc.contributor.author Santos, Davis C. dos
dc.contributor.author Adebayo, Matthew A.
dc.contributor.author Lima, Eder C.
dc.contributor.author Pereira, Simone F. P.
dc.contributor.author Cataluña, Renato
dc.contributor.author Sauier, Caroline
dc.contributor.author Thue, Pascal S.
dc.contributor.author Machado, Fernando M.
dc.date.accessioned 2022-04-02T13:44:08Z
dc.date.available 2022-04-02T13:44:08Z
dc.date.issued 2015
dc.identifier.citation SANTOS, D. C. 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. pt_BR
dc.identifier.issn 1678-4790
dc.identifier.uri https://doi.org/10.5935/0103-5053.20150053 pt_BR
dc.identifier.uri http://www.sbicafe.ufv.br/handle/123456789/13427
dc.description.abstract A 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.format pdf pt_BR
dc.language.iso en pt_BR
dc.publisher Sociedade Brasileira de Química pt_BR
dc.relation.ispartofseries Journal of the Brazilian Chemical Society;v.26, n.5, 2015
dc.rights Open Access pt_BR
dc.subject Adsorption pt_BR
dc.subject Industrial effluents pt_BR
dc.subject Carbon composites pt_BR
dc.subject General order kinetic model pt_BR
dc.subject Nonlinear isotherms pt_BR
dc.subject.classification Cafeicultura::Resíduos e subprodutos do café pt_BR
dc.title Application of carbon composite adsorbents prepared from coffee waste and clay for the removal of reactive dyes from aqueous solutions pt_BR
dc.type Artigo pt_BR

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