Comparing photocatalytic activity of ZnO and nanospherical ZnO/Bentonite catalyst: preparation, structural characterization and their photocatalytic performances using oxytetracycline antibiotic in aqueous solution



Document title: Comparing photocatalytic activity of ZnO and nanospherical ZnO/Bentonite catalyst: preparation, structural characterization and their photocatalytic performances using oxytetracycline antibiotic in aqueous solution
Journal: Journal of the Mexican Chemical Society
Database: PERIÓDICA
System number: 000430043
ISSN: 1870-249X
Authors: 1
Institutions: 1Mugla Sitki Kocman University, Vocational School Health Care, Mugla. Turquía
Year:
Season: Ene-Mar
Volumen: 62
Number: 1
Country: México
Language: Inglés
Document type: Artículo
Approach: Experimental, analítico
Spanish abstract Se desarrolló la fotodegradación catalítica de oxitetraciclina (OTC) en disolución acuosa usando ZnO puro y compositos de ZnO/Bentonita. Ambos catalizadores se sintetizaron mediante un método simple de precipitación en un solo paso. Las muestras se caracterizaron por SEM-EDAX y análisis XRD. Se obtuvo un área superficial para ZnO/Bent de 25.67 m2g−1 que es menor que para ZnO (112.25 m2 g-1) debido a la inmovilización de las nanoesferas de ZnO en la superficie de la bentonita. ZnO/Bent mostró un mejor desempeño como fotocatalizador que ZnO en la degradación bajo luz UV
English abstract Photocatalytic degradation of Oxytetracycline (OTC) in aqueous solution was performed using pure ZnO and ZnO/Bent composites. Both catalysts were synthesized trough a simple one-step chemical precipitation method. The prepared samples were characterized using SEM-EDAX and XRD analysis. Due to the immobilization of ZnO nanospheres upon bentonite surface, 25.67 m2 g-1 of specific surface area was obtained for the ZnO/Bent which lower than the specific surface area of the raw bentonite (112.25 m2 g-1). ZnO/Bent catalyst showed the best photocatalytic performance than ZnO for OTC degradation under UV light
Disciplines: Química
Keyword: Química farmacéutica,
Contaminantes orgánicos,
Toxicología,
Catalizadores,
Antibióticos,
Oxido de zinc,
Bentonita,
HRM
Keyword: Medicinal chemistry,
Organic contaminants,
Toxicology,
Catalysts,
Antibiotics,
Zinc oxide,
Bentonite,
HRM
Full text: Texto completo (Ver HTML) Texto completo (Ver PDF)