ORIGINAL RESEARCH
Elimination of Polyethylene Glycol from Aqueous
Solution Using Activated Carbon
L. Gajdos1, L. Pietrelli2, A. Ciccarello2, J. Derco3
1Water Research Institute, Nabr. arm. gen. L. Svobodu 5, 81249 Bratislava, Slovakia
2ENEA, CR Casaccia, Via Anguillarese 301, 00060 Rome, Italy
3Department of Chemical and Environmental Engineering, Faculty of Chemical and Food Technology,
Slovak University of Technology, Radlinskeho 9, 81237 Bratislava, Slovakia
Pol. J. Environ. Stud. 2007;16(3):385–388
KEYWORDS
ABSTRACT
The present study looks at the adsorption of polyethylene glycol onto activated carbon with the different
molecular weight. The amount of PEG adsorbed on activated carbon depends on temperatures and pH.
The adsorption capacities were determined through the adsorption isotherms. The results of the adsorption
isotherm and kinetic studies show that the adsorption process can be well described with the Langmuir
model. After linearization of the Arrhenius equation the activated energy had been estimated.
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