INTERACTION OF AQUEOUS SOLUTION OF PHENOL WITH 5A ZEOLITE: ADSORPTION AND COMPARISON WITH COMMERCIAL CARBONS AS ADSORBENTS
DOI:
https://doi.org/10.7251/COMEN1202201LAbstract
The commercial carbons have been used as adsorbents in decontamination processes due to their large specific surface, high adsorption capacity, microporous structure and specific surface reactivity. One of the most important applications of activated carbon concerns the water purification treatment. Water is often contaminated with phenol and allied polluters where zeolites, as the adsorbents, also play a significant part. In this study, the comparison of parameters obtained from the adsorption isotherms of zeolites and commercial carbons has served to clarify the zeolite surface property, as an adsorbent, on the molecular level. The phenol aqueous solution of 2.0 – 4.0 mgL-1 mass concentration has been used as adsorbate. The phenol content has been determined spectrophotometrically on the basis of the color intensity of quinoid-type compound which has originated from the phenol and 4-amino antipyrin reaction with the K3Fe(CN)6 as an oxidant in the alkaline medium.References
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[2] R. Schmidt, M. Stocker, E. Hansen, D. Akporiaye, O. H. Ellestad, Microporous Mater., Vol. 3 (1994) 443.
[3] Ј. Penavin, Z. Levi, Lj. Šusšjar, N. Čegar, Collection of Study Excerpts, VII Symposia of Chemists and Technologists of the Republic of Srpska, 83 (2003).
[4] M. Marsenić, B. Škundrić, Ј. Cuković, N. Čegar, Publication of Chemists and Technologists of Republika Srpska,Vol. 47 (2008) 21−24.
[5] S. Yapar, M. Yilmaz, Removal of Phenol by Using Montmorillonite, Clinoptilolite, and Hydrotalcite, Adsorption, Vol. 10 (2004) 287−298.
[6] E. G. Furuya, H. T. Chang, Y. Miura, K. E. Noll, A fundamental analysis of the isotherm for the adsorption of phenolic compounds an activated carbon, Separation and Purification Technology 11 (1997) 69−78.
[7] T. G. Danis, T. A. Albanis, D. E. Petrakis, P. J. Pomonis, Removal of chlorinated phenols from aqueous solutions by adsorption on alumina pillared clays and mesoporous alumina aluminium phosphates, Water Research, Vol. 32 (1998) 295−302.
[8] Z. Levi, J. B. Škundrić, J. Penavin – Škundrić, Comparative Research of Adsorption of Phenol on Aluminosilicate Materials and Natural Carbon of the Stanari Mine, 5. Symposia on Recycling Technologies and Sustainable Development, Soko Banja, Serbia, (2010) 318–326.
[9] A. Al-Asheh, F. Banat, L. Abu-Aitah, Adsorption of phenol using different types of activated bento-nites, Sep. Purif. Technol. 33 (2003) 1−10.
[10] Y. H. Shen, Phenol sorption by organoclays having different charge characteristics, Colloids Surf. A: Physicochem. Eng. Aspects, Vol. 232 (2004) 143−149.
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2013-02-26
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