The effect of ionic environment on the TG response of phenol loaded PET-based porous carbons |
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| Authors: | Ajna Tóth Csaba Novák and Krisztina László |
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| Institution: | (1) Department of Physical Chemistry and Materials Science, Budapest University of Technology and Economics Hungary, 1521 Budapest, Hungary;(2) Research Group of Technical Analytical Chemistry, Hungarian Academy of Sciences, Budapest University of Technology and Economics, Szt. Gell?rt t?r 4, 1111 Budapest, Hungary; |
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| Abstract: | The effect of the ionic environment on the adsorption of phenol from aqueous solutions was investigated in a microporous carbon
and in an oxidized carbon. It was found that not only the pH of the solution but also the method of its setting affects the
adsorption capacity. Thermal desorption of phenol exhibits an even stronger dependence on the method of pH setting than adsorption.
The TG response, the position and the corresponding TG steps are also influenced by the surface chemistry. Thermogravimetry
is found to be outstandingly useful and informative technique for the studying sorption interactions. |
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