Study of the kinetics and thermodynamics of adsorption of Red Bemacid on the cords ofLuffa cylindrica
| Autor: | Ghania Henini, Ykhlef Laidani, Fatiha Souahi |
|---|---|
| Rok vydání: | 2014 |
| Předmět: |
021110 strategic
defence & security studies Langmuir Kinetic model Correlation coefficient Chemistry Kinetics 0211 other engineering and technologies Langmuir adsorption model Thermodynamics Ocean Engineering 02 engineering and technology 021001 nanoscience & nanotechnology Pollution Isothermal process symbols.namesake Adsorption symbols Freundlich equation 0210 nano-technology Water Science and Technology |
| Zdroj: | Desalination and Water Treatment. 57:3741-3749 |
| ISSN: | 1944-3986 1944-3994 |
| DOI: | 10.1080/19443994.2014.987169 |
| Popis: | The present study explored the possibility of using Luffa cylindrica cords for the removal of dye Red Bemacid CL-BN200 through the adsorption batch process under different experimental conditions. The determination of the concentrations of dye have been performed using an UV–visible spectrophotometer (S6). The kinetics and thermodynamics of adsorption of Red Bemacid by cords of L. cylindrica were studied. Experimental data were analyzed by the Langmuir , Freundlich, and Temkin isotherms, and isothermal constants were calculated using a linear regression analysis. The Langmuir isotherm showed the maximum value of adsorption capacity was 12.30 mg/g, and the correlation coefficient (R2) was 0.997. The pseudo-first- and pseudo-second-order kinetic models were applied to the experimental data. The experimental data fitted very well the pseudo-second-order kinetic model (R2 = 0.99) and also followed the model of intraparticle diffusion (Kdif vary from 0.261 to 2.341 mg/(g min1/2) for concentrations betw... |
| Databáze: | OpenAIRE |
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