dor_id: 4110184

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336.#.#.b: article

336.#.#.3: Artículo de Investigación

336.#.#.a: Artículo

351.#.#.6: https://jart.icat.unam.mx/index.php/jart

351.#.#.b: Journal of Applied Research and Technology

351.#.#.a: Artículos

harvesting_group: RevistasUNAM

270.1.#.p: Revistas UNAM. Dirección General de Publicaciones y Fomento Editorial, UNAM en revistas@unam.mx

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856.4.0.u: https://jart.icat.unam.mx/index.php/jart/article/view/737/700

100.1.#.a: Rodríguez, Luis F. Garay; Zermeño, Brenda; de la O, Karla Alejandra López; Leyva, Elisa; Moctezuma, Edgar

524.#.#.a: Rodríguez, Luis F. Garay, et al. (2018). Photocatalytic degradation of Bisphenol A: Kinetic studies and determination of the reaction pathway. Journal of Applied Research and Technology; Vol. 16 Núm. 5. Recuperado de https://repositorio.unam.mx/contenidos/4110184

245.1.0.a: Photocatalytic degradation of Bisphenol A: Kinetic studies and determination of the reaction pathway

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias Aplicadas y Tecnología, UNAM

264.#.0.c: 2018

264.#.1.c: 2019-06-28

653.#.#.a: Photocatalysis; Bisphenol A; LH-HW model; Kinetics; Mechanism pathway; Phenolicbyproducts

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico gabriel.ascanio@icat.unam.mx

884.#.#.k: https://jart.icat.unam.mx/index.php/jart/article/view/737

001.#.#.#: 074.oai:ojs2.localhost:article/737

041.#.7.h: eng

520.3.#.a: The photocatalytic degradation of BPA aqueous solutions with commercial TiO2 (Evonik P25) was carried out in a home-made batch reactor illuminated with four UV lamps (?max= 365 nm) in order to determine the kinetic parameters of the reaction rate equation and to identify and quantify some of the most stable aromatic intermediate reaction products. Low concentration (20 ppm) BPA solutions were completely degraded and mineralized in less than three hours of reaction. Whereas, BPA aqueous solutions with concentration above 50 ppm are transformed in other chemical compounds in 6 hours of reaction and fully mineralized in 15 hours of reaction. Kinetic analysis of the experimental results of BPA concentration as a function of time indicated that this photocatalytic degradation process follows a LH-HW reaction rate law where the reaction order shift from zero order to first order as the reactant concentration is decreased. Analysis of the reaction samples by different analytical techniques indicated that BPA is mineralized via formation of hydroquinone, benzoquinone, benzene-triol, catechol, and phenol by two simultaneous reaction pathways.

773.1.#.t: Journal of Applied Research and Technology; Vol. 16 Núm. 5

773.1.#.o: https://jart.icat.unam.mx/index.php/jart

022.#.#.a: ISSN electrónico: 2448-6736; ISSN: 1665-6423

310.#.#.a: Bimestral

264.#.1.b: Instituto de Ciencias Aplicadas y Tecnología, UNAM

doi: https://doi.org/10.22201/icat.16656423.2018.16.5.737

harvesting_date: 2023-11-08 13:10:00.0

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Artículo

Photocatalytic degradation of Bisphenol A: Kinetic studies and determination of the reaction pathway

Rodríguez, Luis F. Garay; Zermeño, Brenda; de la O, Karla Alejandra López; Leyva, Elisa; Moctezuma, Edgar

Instituto de Ciencias Aplicadas y Tecnología, UNAM, publicado en Journal of Applied Research and Technology, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Rodríguez, Luis F. Garay, et al. (2018). Photocatalytic degradation of Bisphenol A: Kinetic studies and determination of the reaction pathway. Journal of Applied Research and Technology; Vol. 16 Núm. 5. Recuperado de https://repositorio.unam.mx/contenidos/4110184

Descripción del recurso

Autor(es)
Rodríguez, Luis F. Garay; Zermeño, Brenda; de la O, Karla Alejandra López; Leyva, Elisa; Moctezuma, Edgar
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Photocatalytic degradation of Bisphenol A: Kinetic studies and determination of the reaction pathway
Fecha
2019-06-28
Resumen
The photocatalytic degradation of BPA aqueous solutions with commercial TiO2 (Evonik P25) was carried out in a home-made batch reactor illuminated with four UV lamps (?max= 365 nm) in order to determine the kinetic parameters of the reaction rate equation and to identify and quantify some of the most stable aromatic intermediate reaction products. Low concentration (20 ppm) BPA solutions were completely degraded and mineralized in less than three hours of reaction. Whereas, BPA aqueous solutions with concentration above 50 ppm are transformed in other chemical compounds in 6 hours of reaction and fully mineralized in 15 hours of reaction. Kinetic analysis of the experimental results of BPA concentration as a function of time indicated that this photocatalytic degradation process follows a LH-HW reaction rate law where the reaction order shift from zero order to first order as the reactant concentration is decreased. Analysis of the reaction samples by different analytical techniques indicated that BPA is mineralized via formation of hydroquinone, benzoquinone, benzene-triol, catechol, and phenol by two simultaneous reaction pathways.
Tema
Photocatalysis; Bisphenol A; LH-HW model; Kinetics; Mechanism pathway; Phenolicbyproducts
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

Enlaces