<abstract xmlns="http://www.w3.org/1999/xhtml"> Wastewater containing a high concentration of organic substances was exposed to gamma radiolysis in the presence and absence of a catalyst (TiO2); radiolysis and radiocatalysis were performed by means of continuous and discontinuous irradiation. Dissolved organic carbon (DOC) was the parameter used to estimate the concentration of organic compounds without interference by the high mineral content. The data was well fitted to the pseudo-first-order kinetic model of Langmuir-Hinshelwood. From a [DOC]0 = 140 ± 7 mg/L, the higher DOC degradation (74%) and apparent rate constant (Kapp = 0.083 h-1) were found using discontinuous radiocatalysis. This process could be an alternative method of treatment of industrial or municipal wastewater</abstract>

Wastewater containing a high concentration of organic substances was exposed to gamma radiolysis in the presence and absence of a catalyst (TiO2); radiolysis and radiocatalysis were performed by means of continuous and discontinuous irradiation. Dissolved organic carbon (DOC) was the parameter used to estimate the concentration of organic compounds without interference by the high mineral content. The data was well fitted to the pseudo-first-order kinetic model of Langmuir-Hinshelwood. From a [DOC]0 = 140 ± 7 mg/L, the higher DOC degradation (74%) and apparent rate constant (Kapp = 0.083 h-1) were found using discontinuous radiocatalysis. This process could be an alternative method of treatment of industrial or municipal wastewater

Radiocatalytic degradation of dissolved organic compounds in wastewater

Departamento de Química, Instituto Nacional de Investigaciones Nucleares, Apartado Postal 18-1027 México, D.F. 11801

Nukleonika

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Radiocatalytic degradation of dissolved organic compounds in wastewater"}

Wastewater containing a high concentration of organic substances was exposed to gamma radiolysis in the presence and absence of a catalyst (TiO2); radiolysis...

Radiocatalytic degradation of dissolved organic compounds in wastewater

Article Category: Regular Paper

Publié en ligne: 26 oct. 2016

Pages: 473 - 476

Reçu: 25 mai 2015

Accepté: 25 août 2016

DOI: https://doi.org/10.1515/nuka-2016-0077

Mots clés
wastewater, dissolved organic carbon, radiocatalysis

© by Jaime Jiménez-Becerril

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Radiocatalytic degradation of dissolved organic compounds in wastewater

Article Category: Regular Paper

Publié en ligne: 26 oct. 2016

Pages: 473 - 476

Reçu: 25 mai 2015

Accepté: 25 août 2016

DOI: https://doi.org/10.1515/nuka-2016-0077

Mots cléswastewater, dissolved organic carbon, radiocatalysis

© by Jaime Jiménez-Becerril

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
wastewater, dissolved organic carbon, radiocatalysis