Simplified model for the equilibrium adsorption of dyes from mixtures using activated carbon |
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| Affiliation: | 1. Department of Chemistry, Faculty of Science, University of Tehran, Tehran, Iran;2. Department of Chemistry, Sharif University of Technology, P.O. Box 11155-3516, Tehran, Iran;3. Departamento de Quimica Analitica, Facultad de Ciencias Bioquimicas y Farmacéuticas, Universidad Nacional de Rosario, Suipacha 531, 2000 Rosario, Argentina;4. Institute of Environmental Assessment and Water Research, Spanish Council of Research, Jordi Girona 18, 08034 Barcelona, Spain;1. Sultan Moulay Slimane University of Beni Mellal, Equipe de Spectro–Chimiométrie Appliquée et Environnement, FST Beni Mellal, B.P. 523, Beni Mellal, Morocco;2. Sultan Moulay Slimane University of Beni Mellal, Ecole Supérieure de Technologie de Beni Mellal, Laboratoire d’Ingénierie et Technologies Appliquées (LITA), Morocco;3. Sultan Moulay Slimane University of Beni Mellal, Research Group in Environmental Sciences and Applied Materials (SEMA), FP Khouribga, B.P. 145, 25000, Khouribga, Morocco;4. Direction of Research and Development, OCP Group.SA, Jorflasfar, El Jadida, Morocco |
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| Abstract: | Adsorption isotherms have been determined experimentally for the single-component adsorption of three dyes, namely, Basic Red 22, Basic Yellow 21, and Basic Blue 69 onto carbon. In addition, the three possible bisolute isotherms and the one trisolute isotherm for these three dyes were determined. In each case the Langmuir, Freundlich and Jossens isotherm constants were determined and the Langmuir data were then used to correlate and predict the multicomponent isotherm data from single-component data in a simplified manner. |
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