Single and Binary Adsorption of Benzene, Phenol, and p‐Nitrophenol: Effect of Physical Interactions

Single and Binary Adsorption of Benzene, Phenol, and p‐Nitrophenol: Effect of Physical Interactions

This work aims at emphasizing the impact of different physical interactions such as intermolecular ones between co‐adsorbed molecules on the adsorption mechanisms in the liquid phase. Thus, the adsorption of a low concentration (5 ppm) of benzene, phenol, and p‐nitrophenol from aqueous medium in sin...

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Bibliographic Details
Published in:Chemical engineering & technology Vol. 47; no. 7; pp. 961 - 967
Main Authors: Boutillara, Yasmine, Tazibet, Sana, Fernandez Velasco, Leticia, Smati, Yakoub, Boudjemaa, Moussa, Betache, Zohra
Format: Journal Article
Language:English
Published: Frankfurt Wiley Subscription Services, Inc 01-07-2024
Subjects:
Activated carbon
Activated carbons
Adsorption
Aqueous solutions
Benzene
Binary mixtures
Liquid chromatography
Liquid phases
Nitrophenol
Phenol
Physical interactions
p‐Nitrophenol
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Summary:This work aims at emphasizing the impact of different physical interactions such as intermolecular ones between co‐adsorbed molecules on the adsorption mechanisms in the liquid phase. Thus, the adsorption of a low concentration (5 ppm) of benzene, phenol, and p‐nitrophenol from aqueous medium in single and binary mixture solutions is studied. Two activated carbons were prepared from two different activating agents and used in this regard. The adsorbed amounts are determined by high‐performance liquid chromatography. The results showed the great importance of the aforementioned interactions in the adsorption of phenol, particularly the interactions with the co‐adsorbed compounds. Indeed, phenol was remarkably better retained in binary mixture solutions than in a single one. This work is conducted to highlight the effect of different physical interactions between on one hand the adsorbent surface and the adsorbate molecules and on the other hand between the co‐adsorbed molecules on adsorption mechanisms. Hence, the adsorption of benzene, phenol, and p‐nitrophenol from single and binary mixture solutions at low concentrations is carried out on two different activated carbons.
ISSN:0930-7516
1521-4125
DOI:10.1002/ceat.202200615