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Int. J. Mol. Sci. 2010, 11(3), 927-942; doi:10.3390/ijms11030927

Activated Carbon Modified with Copper for Adsorption of Propanethiol

1
Grupo de Investigación en Sólidos Porosos y Calorimetría, Departamento de Química, Facultad de Ciencias, Universidad de los Andes, Carrera 1 No. 18 A 10, Bogotá, Colombia
2
Departamento de Ingeniería Química, Facultad de Ingeniería, Universidad de los Andes, Carrera 1 No. 18 A 10, Bogotá, Colombia
3
Departamento de Química, Facultad de Ciencias, Universidad Nacional de Colombia, Carrera 30 No. 43-00, Bogotá, Colombia
*
Author to whom correspondence should be addressed.
Received: 21 December 2009 / Revised: 25 December 2009 / Accepted: 4 March 2010 / Published: 4 March 2010
(This article belongs to the Section Physical Chemistry, Theoretical and Computational Chemistry)
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Abstract

Activated carbons were characterized texturally and chemically before and after treatment, using surface area determination in the BET model, Boehm titration, TPR, DRX and immersion calorimetry. The adsorption capacity and the kinetics of sulphur compound removal were determined by gas chromatography. It was established that the propanethiol retention capacity is dependent on the number of oxygenated groups generated on the activated carbon surface and that activated carbon modified with CuO at 0.25 M shows the highest retention of propanethiol. Additionally is proposed a mechanism of decomposition of propenothiol with carbon-copper system.
Keywords: activated carbon; propanethiol; adsorption isotherms; kinetics; immersion calorimetry; decomposition mechanism activated carbon; propanethiol; adsorption isotherms; kinetics; immersion calorimetry; decomposition mechanism
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Moreno-Piraján, J.C.; Tirano, J.; Salamanca, B.; Giraldo, L. Activated Carbon Modified with Copper for Adsorption of Propanethiol. Int. J. Mol. Sci. 2010, 11, 927-942.

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