M. K, A., A. Ayad Al-Kaim, W., Al-Shirifi, A. (2008). Study the effect of pHs and temperatures on adsorption of para nitro aniline (PNA) by Bentonite clay surface. , 8(1), 329-343.
Aseal M. K; Wissam A. Ayad Al-Kaim; Abbas Al-Shirifi. "Study the effect of pHs and temperatures on adsorption of para nitro aniline (PNA) by Bentonite clay surface". , 8, 1, 2008, 329-343.
M. K, A., A. Ayad Al-Kaim, W., Al-Shirifi, A. (2008). 'Study the effect of pHs and temperatures on adsorption of para nitro aniline (PNA) by Bentonite clay surface', , 8(1), pp. 329-343.
M. K, A., A. Ayad Al-Kaim, W., Al-Shirifi, A. Study the effect of pHs and temperatures on adsorption of para nitro aniline (PNA) by Bentonite clay surface. , 2008; 8(1): 329-343.

Study the effect of pHs and temperatures on adsorption of para nitro aniline (PNA) by Bentonite clay surface

journal of al-qadisiyah for pure science(quarterly)
Article 1, Volume 8, Issue 1, 2008, Pages 329-343    PDF (0 K)
Authors
Aseal M. K; Wissam A. Ayad Al-Kaim; Abbas Al-Shirifi
Abstract
Abstract:
the removal of para nitro aniline (PNA), with bentonite clay have been performed investigating by the effect of initial concentration, pH, temperature, on this process.
The equilibrium concentration have been determined spectrophotometrically using ultra violet - visible technique.
The equilibrium data are fitted to the Langmuir and Freundlich isotherm equations.
The adsorption amount of PNA increased with temperature and pHs decreased.
The temperature thermodynamic parameters like , and have been calculated from the effect of temperature, the adsorption process is exothermic.
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