4-chlorophenol removal from water using graphite and graphene oxides as photocatalysts
Por:
Bustos-Ramírez K., Barrera-Díaz C.E., De Icaza-Herrera M., Martínez-Hernández A.L., Natividad-Rangel R., Velasco-Santos C.
Publicada:
19 abr 2015
Resumen:
Abstract Graphite and graphene oxides have been studied amply in the last decade, due to their diverse properties and possible applications. Recently, their functionality as photocatalytic materials in water splitting was reported. Research in these materials is increasing due to their band gap values around 1.8-4 eV, and therefore, these are comparable with other photocatalysts currently used in heterogeneous photocatalytic processes. Thus, this research reports the photocatalytic effectiveness of graphite oxide (GO) and graphene oxide (GEO) in the degradation of 4-chlorophenol (4-CP) in water. Under the conditions defined for this research, 92 and 97% of 4-CP were degraded with GO and GEO respectively, also 97% of total organic carbon was removed. In addition, by-products of 4-CP that produce a yellow solution obtained only using photolysis are eliminated by photocatalyst process with GO and GEO. The degradation of 4-CP was monitored by UV-Vis spectroscopy, High Performance Liquid Chromatography (HPLC) and Chemical Oxygen Demand (COD). Thus, photocatalytic activity to remove 4-CP from water employing GO and GEO without doping is successfully showed, and therefore, a new gate in research for these materials is opened. © 2015 Bustos-Ramírez et al.; licensee BioMed Central.
Filiaciones:
Bustos-Ramírez K.:
Univ Nacl Autonoma Mexico, Ctr Fis Aplicada & Tecnol Avanzada, Queretaro 76230, Mexico
UAEM UNAM, Ctr Conjunto Invest Quim Sustentable, San Cayetano 50200, Estado De Mexic, Mexico
Centro Conjunto de Investigación en Química Sustentable, UAEM, UNAM, Km.12 de la carretera Toluca-Atlacomulco, San Cayetano, Estado de México 50200, Mexico
División de Estudios de Posgrado e Investigación, Instituto Tecnológico de Querétaro, Av. Tecnológico s/n Esq. M. Escobedo, Col. Centro HistóricoQuerétaro 76000, Mexico
Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001Querétaro 76230, Mexico
Barrera-Díaz C.E.:
UAEM UNAM, Ctr Conjunto Invest Quim Sustentable, San Cayetano 50200, Estado De Mexic, Mexico
Centro Conjunto de Investigación en Química Sustentable, UAEM, UNAM, Km.12 de la carretera Toluca-Atlacomulco, San Cayetano, Estado de México 50200, Mexico
De Icaza-Herrera M.:
Univ Nacl Autonoma Mexico, Ctr Fis Aplicada & Tecnol Avanzada, Queretaro 76230, Mexico
Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001Querétaro 76230, Mexico
Martínez-Hernández A.L.:
Univ Nacl Autonoma Mexico, Ctr Fis Aplicada & Tecnol Avanzada, Queretaro 76230, Mexico
División de Estudios de Posgrado e Investigación, Instituto Tecnológico de Querétaro, Av. Tecnológico s/n Esq. M. Escobedo, Col. Centro HistóricoQuerétaro 76000, Mexico
Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001Querétaro 76230, Mexico
Natividad-Rangel R.:
UAEM UNAM, Ctr Conjunto Invest Quim Sustentable, San Cayetano 50200, Estado De Mexic, Mexico
Centro Conjunto de Investigación en Química Sustentable, UAEM, UNAM, Km.12 de la carretera Toluca-Atlacomulco, San Cayetano, Estado de México 50200, Mexico
Velasco-Santos C.:
Univ Nacl Autonoma Mexico, Ctr Fis Aplicada & Tecnol Avanzada, Queretaro 76230, Mexico
División de Estudios de Posgrado e Investigación, Instituto Tecnológico de Querétaro, Av. Tecnológico s/n Esq. M. Escobedo, Col. Centro HistóricoQuerétaro 76000, Mexico
Centro de Física Aplicada y Tecnología Avanzada, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001Querétaro 76230, Mexico
All Open Access, Hybrid Gold
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