caracterización del proceso de adsorción de 3-cloro fenol desde solución acuosa sobre carbon activado por calorimetria de inmersión characterization of 3-chlorophenol adsorption process from aqueous solution on activated carbon by immersion calorimetry
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caracterización del proceso de adsorción de 3-cloro fenol desde solución acuosa sobre carbon activado por calorimetria de inmersión characterization of 3-chlorophenol adsorption process from aqueous solution on activated carbon by immersion calorimetry

;Liliana Giraldo;Juan Carlos Moreno
greece and rome 2009 Vol. 32 pp. 1777-1781
274
giraldo2009qumicacaracterizacin

Abstract

The immersion enthalpy of activated carbon in 3-chlorophenol solutions, of 100 mg L-1, is determined at different pH values between 3 and 11 with results between 37.6 and 21.2 J g-1. The 3-chlorophenol adsorbed quantities on the activated carbon during the calorimetric experience, are between 1.13 and 2.19 mg g-1, for different pH values of the solution. The 3-chlorophenol adsorbed quantity and the immersion enthalpy decrease by increasing of the pH solution, while increasing the adsorbed quantity increases the immersion enthalpy value.

Keywords

3-chloro phenolchemistry

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DOI:
10.1590/S0100-40422009000700018
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