Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 11, Issue 3, Pages 927-942Publisher
MDPI AG
DOI: 10.3390/ijms11030927
Keywords
activated carbon; propanethiol; adsorption isotherms; kinetics; immersion calorimetry; decomposition mechanism
Funding
- Fondo Especial de Investigaciones de la Facultad de Ciencias de la Universidad de Los Andes (Colombia)
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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.
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