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Subramanyam, B., Ashutosh, D.. (1390). Adsorption Isotherm Modeling of Phenol Onto Natural soils – Applicability of Various Isotherm Models. , 6(1), 265-276. doi: 10.22059/ijer.2011.492
B. Subramanyam; D. Ashutosh. "Adsorption Isotherm Modeling of Phenol Onto Natural soils – Applicability of Various Isotherm Models". , 6, 1, 1390, 265-276. doi: 10.22059/ijer.2011.492
Subramanyam, B., Ashutosh, D.. (1390). 'Adsorption Isotherm Modeling of Phenol Onto Natural soils – Applicability of Various Isotherm Models', , 6(1), pp. 265-276. doi: 10.22059/ijer.2011.492
Subramanyam, B., Ashutosh, D.. Adsorption Isotherm Modeling of Phenol Onto Natural soils – Applicability of Various Isotherm Models. , 1390; 6(1): 265-276. doi: 10.22059/ijer.2011.492

Adsorption Isotherm Modeling of Phenol Onto Natural soils – Applicability of Various Isotherm Models

International Journal of Environmental Research
مقاله 26، دوره 6، شماره 1، فروردین 2012، صفحه 265-276    اصل مقاله (420.07 K)
شناسه دیجیتال (DOI): 10.22059/ijer.2011.492
نویسندگان
B. Subramanyam* 1؛ D. Ashutosh2
1School of Civil Engineering, SASTRA University, Thanjavur-613402, Tamil Nadu, India
2Director, Centre for Environmental Engineering, PRIST University, Tamil Nadu, India
چکیده
Liquid-phases adsorption equilibrium of phenol onto two naturally available soils namely
Kalathur soil (Kr) and Adhanur soil (Ar) were studied. The experimental data were analyzed using fourteen isotherm models, ranging from single-parametric model to multi-parametric models (up to 5 parameters) of the system. Results show that in general the accuracy of models to fit experimental data improves with the degree of freedom. To understand the mechanism involved with different types of sorbate-sorbent system as well as to find out the best fitting isotherm model, the correlation coefficients, and average percentage error and student t-test were carried out. Temkin isotherm model, Langmuir-Freundlich isotherm model and Fritz- Schlunder model as well as Baudu model were found to be the best fit models amongst the two-parametric
models, three parametric models and four parametric isotherms modeling, respectively. This study brings out the need of simultaneous solution of multi-parametric equations (using relevant softwares, MATLAB, in present case) than solution of their linearized forms, which is mostly followed by contemporary investigators.
کلیدواژه‌ها
Sorption؛ wastewater؛ Multi- parametric؛ Correlation؛ t-test؛ MATLAB
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