ADSORCIÓN DE PENTACLOROFENOL EN SOLUCIÓN ACUOSA SOBRE CARBONES ACTIVADOS COMERCIALES
The adsorption of pentachlorophenol (PCF) from aqueous solution onto the commercial activated carbons F-300, MG, F-400, VG, C and CG-700, was investigated in this work. The F-300, MG and F-400 carbons are manufactured from bituminous coal and the VG, CG-700 and C, from pinewood,coconut shell and woo...
| Autores: | , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2011 |
| País: | México |
| Institución: | UNIVERSIDAD NACIONAL AUTÓNOMA DE MÉXICO |
| Repositorio: | Revista Internacional de Contaminación Ambiental |
| Idioma: | español |
| OAI Identifier: | oai:ojs.pkp.sfu.ca:article/23754 |
| Acceso en línea: | https://www.revistascca.unam.mx/rica/index.php/rica/article/view/23754 |
| Access Level: | acceso abierto |
| Palabra clave: | adsorption activated carbon oxidized carbon pentachlorophenol pesticide adsorción carbón activado carbón oxidado pentaclorofenol plaguicida |
| Sumario: | The adsorption of pentachlorophenol (PCF) from aqueous solution onto the commercial activated carbons F-300, MG, F-400, VG, C and CG-700, was investigated in this work. The F-300, MG and F-400 carbons are manufactured from bituminous coal and the VG, CG-700 and C, from pinewood,coconut shell and wood sawdust, respectively. The experimental adsorption isotherm data for PCF were interpreted using the Langmuir, Freundlich, and PrausnitzRadke isotherms, and it was found that this last isotherm fitted the data better than the other two. The adsorption capacities of the carbons diminished in the following order: MG » F-300> F-400> VG > C > CG-700.The three carbons that possess the largest adsorption capacities are made from bituminous coal.The F-300 and MG carbons were oxidized with nitric acid and it was observed that their adsorption capacities decreased 17.7 % and 31 %, respectively. PCF is chemisorbed on the F-300 and MG carbons. |
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