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Revista Cubana de Química
versão On-line ISSN 2224-5421
Resumo
MENEAU-HERNANDEZ, Rosa I. et al. Ciprofloxacin adsorption in zeolitic materials. Rev Cub Quim [online]. 2021, vol.33, n.1, pp. 167-190. Epub 10-Mar-2020. ISSN 2224-5421.
In this work, a hierarchical A zeolite was synthesized and its adsorption capacity of the model drug ciprofloxacin was evaluated. A natural Cuban clinoptilolite was used for comparison. The synthesis was carried out hydrothermally using rice husk ash as silicon source and a surfactant as template for the generation of mesopores. The results showed that the synthesis method allows to obtain a hierarchical zeolite A with high purity and crystallinity, a particle size of 500 nm and an average pore diameter of 33 nm. The synthesized zeolite showed a ciprofloxacin adsorption capacity (383 mg/g) much higher than that of natural zeolite (73 mg/g), and also higher than that of other adsorbents reported in the literature. These results are promising for the use of the material developed in the removal of drugs in wastewater.
Palavras-chave : zeolites; clinoptilolite; zeolite A; ciprofloxacin; adsorption.