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Diclofenac removal in water supply by adsorption on composite low-cost material.
Salomão, Gledson Renan; Américo-Pinheiro, Juliana Heloisa Pinê; Isique, William Deodato; Torres, Nádia Hortense; Cruz, Ianny Andrade; Ferreira, Luiz Fernando Romanholo.
Afiliação
  • Salomão GR; Post-graduate Program in Civil Engineering, School of Engineering, São Paulo State University (UNESP), Ilha Solteira, Brazil.
  • Américo-Pinheiro JHP; Post-graduate Program in Civil Engineering, School of Engineering, São Paulo State University (UNESP), Ilha Solteira, Brazil.
  • Isique WD; Post-graduate Program in Environmental Sciences, Brazil University (UNIVBRASIL), São Paulo, Brazil.
  • Torres NH; Post-graduate Program in Civil Engineering, School of Engineering, São Paulo State University (UNESP), Ilha Solteira, Brazil.
  • Cruz IA; Institute of Technology and Research, Tiradentes University, Aracaju, Brazil.
  • Ferreira LFR; Graduate Program in Process Engineering, Tiradentes University, Aracaju, Brazil.
Environ Technol ; 42(13): 2095-2111, 2021 May.
Article em En | MEDLINE | ID: mdl-31714186
This work objective was to evaluate batch adsorption processes using polyethylene terephthalate composite (PTC) material, sugarcane bagasse ash (SBA) functionalized with iron oxide (Fe3+) (PTCSBA/ Fe3+) in the adsorption of 1000 µg  L-1 of diclofenac sodium (DIC) in synthetic solution, simulating water supply. The batch test was started by determining the adsorbent mass (0.1, 0.2, 0.3, 0.4 and 0.5 g) to remove 1000 µg L-1 of DIC, followed by the adsorption kinetics and adsorption isotherm assays, evaluating the reaction rate and adsorption capacity, respectively. The PTCSBA/ Fe3+ mass that had the best efficiency in the DIC removal was 0.3 g, the pseudo second-order kinetic model (PSO) was the one that best fit the study having a determination coefficient (R2) equals to 0.97. The PTCSBA/ Fe3+ has good characteristics for DIC adsorption, achieving a 93% removal rate of sodium diclofenac. The composite is a low-cost adsorbent, 0.08 cents per kilogram of material, becoming a material with satisfactory characteristics for the removal of DIC. Therefore, it is recommended to use PTCSBA/ Fe3+ as adsorbent material in small water filter systems in order to remove DIC due to the low cost of the composite.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Poluentes Químicos da Água / Purificação da Água Tipo de estudo: Health_economic_evaluation / Prognostic_studies Idioma: En Revista: Environ Technol Assunto da revista: SAUDE AMBIENTAL / TOXICOLOGIA Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido
Texto completo
Adicionar na Minha BVS
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XML
PubMed Links
Buscar no Google

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Poluentes Químicos da Água / Purificação da Água Tipo de estudo: Health_economic_evaluation / Prognostic_studies Idioma: En Revista: Environ Technol Assunto da revista: SAUDE AMBIENTAL / TOXICOLOGIA Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Brasil País de publicação: Reino Unido