Synthesis and Characterization of Nanoparticulate Zinc Oxide: Preparation via Sol-Gel Method and Applications as a Catalyst in the Ciprofloxacin Hydrochloride Degradation

Authors

  • Mauricio Ferreira da Rosa Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil.  https://orcid.org/0000-0002-3389-9126
  • Bruna Loesch Bortolini Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil.
  • Alessandra Eugenio Carli da Silva Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil.
  • Vinicius Alexandre Carvalho Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil.
  • Viviane da Silva Lobo Universidade Tecnológica Federal do Paraná, UTFPR, Brasil.  https://orcid.org/0000-0001-7099-9727

DOI:

https://doi.org/10.21664/2238-8869.2020v9i1.p473-487

Keywords:

Photodegradation, Nanoparticles, Zinc Oxide, Emerging Contaminants, Pharmaceuticals in the Environment

Abstract

The present work reports the synthesis by the sol-gel method of nanoparticulate ZnO (nZnO) and evaluates its activity against commercial ZnO (cZnO) as a photocatalyst in the degradation of the antibiotic ciprofloxacin hydrochloride (CIP) in aqueous solution. The characterization of the nZnO was performed by DRX, MEV, MET and FTIR. The photodegradation experiments were organized according to 23 experimental design and the influence of the parameters [ZnO], [H2O2] and pH were evaluated statistically. The experimental results showed that the best conditions for the photodegradation process, [H2O2] = 500 mg L-1 and [ZnO] = 20 mg L-1 at pH 4, were identical for both photocatalysts, and nZnO activity was 6% higher than cZnO activity. The small difference observed in the activity of nZnO relative to cZnO can be attributed to the morphological heterogeneity of the nZnO obtained synthetically.

Author Biographies

Mauricio Ferreira da Rosa, Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil. 

Doutorado em Química pela Universidade Federal do Rio de Janeiro, UFRJ, Brasil. Docente na Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil. 

Bruna Loesch Bortolini, Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil.

Mestrado em Ciências Ambientais pela Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil.

Alessandra Eugenio Carli da Silva, Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil.

Mestrado em andamento em Ciências Ambientais pela Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil.

Vinicius Alexandre Carvalho, Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil.

Mestrado em Química pela Universidade Estadual do Oeste do Paraná, UNIOESTE, Brasil.

Viviane da Silva Lobo, Universidade Tecnológica Federal do Paraná, UTFPR, Brasil. 

Doutorado em Química Inorgânica pela Universidade Federal do Rio de Janeiro, UFRJ, Brasil. Docente na Universidade Tecnológica Federal do Paraná, UTFPR, Brasil. 

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Published

2020-03-05

How to Cite

ROSA, Mauricio Ferreira da; BORTOLINI, Bruna Loesch; SILVA, Alessandra Eugenio Carli da; CARVALHO, Vinicius Alexandre; LOBO, Viviane da Silva. Synthesis and Characterization of Nanoparticulate Zinc Oxide: Preparation via Sol-Gel Method and Applications as a Catalyst in the Ciprofloxacin Hydrochloride Degradation. Fronteiras - Journal of Social, Technological and Environmental Science, [S. l.], v. 9, n. 1, p. 473–487, 2020. DOI: 10.21664/2238-8869.2020v9i1.p473-487. Disponível em: https://revistas2.unievangelica.edu.br/index.php/fronteiras/article/view/3007. Acesso em: 22 nov. 2024.