![](/images/graphics-bg.png)
The Removal of Phenol and Its Derivatives from Aqueous Solutions by Adsorption on Petroleum Asphaltene
Joint Authors
Ahmed Adam, Omer El-Amin
al-Dujaili, Ammar Hani
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-8, 8 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-09-01
Country of Publication
Egypt
No. of Pages
8
Main Subjects
Abstract EN
This research describes the adsorption of phenol and o-substituted phenols and xylenol isomers on petroleum asphaltenes from aqueous solution.
The results revealed that the adsorption equilibrium data were best fitted with the generalized and Freundlich isotherms.
For o-substituted phenols, it was found that electron-withdrawing groups increase the adsorption capacity.
The uptake of these phenols decreases in the order: o-nitrophenol > o-chlorophenol > o-aminophenol > o-cresol > phenol, while the adsorption of xylenol isomers decreases in the order: 2,6-xylenol > 2,5-xylenol > 3,5-xylenol > 3,4-xylenol.
Batch equilibrium results at different temperatures suggest that the adsorption of 2,6-xylenol and 3,5-xylenol onto asphaltene is an endothermic process, ΔG values obtained were positive indicating a nonspontaneous process with increasing randomness at the solid-solution interface.
The influence of solution pH on the adsorption of 3,5-xylenol on asphaltenes was also investigated.
The adsorption process was found to be independent on the solution pH.
The adsorption capacity of 3,5-xylenol was found to increase with the decrease in particle size of the adsorbent.
American Psychological Association (APA)
Ahmed Adam, Omer El-Amin& al-Dujaili, Ammar Hani. 2013. The Removal of Phenol and Its Derivatives from Aqueous Solutions by Adsorption on Petroleum Asphaltene. Journal of Chemistry،Vol. 2013, no. 2013, pp.1-8.
https://search.emarefa.net/detail/BIM-491152
Modern Language Association (MLA)
Ahmed Adam, Omer El-Amin& al-Dujaili, Ammar Hani. The Removal of Phenol and Its Derivatives from Aqueous Solutions by Adsorption on Petroleum Asphaltene. Journal of Chemistry No. 2013 (2013), pp.1-8.
https://search.emarefa.net/detail/BIM-491152
American Medical Association (AMA)
Ahmed Adam, Omer El-Amin& al-Dujaili, Ammar Hani. The Removal of Phenol and Its Derivatives from Aqueous Solutions by Adsorption on Petroleum Asphaltene. Journal of Chemistry. 2013. Vol. 2013, no. 2013, pp.1-8.
https://search.emarefa.net/detail/BIM-491152
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-491152