INTERACTION OF AQUEOUS SOLUTION OF PHENOL WITH 5A ZEOLITE: ADSORPTION AND COMPARISON WITH COMMERCIAL CARBONS AS ADSORBENTS

Authors

  • Z. Levi University of Banja Luka, Faculty of Technology, Banja Luka, Republic of Srpska, B&H
  • Ј. Penavin Škundrić University of Banja Luka, Faculty of Technology, Banja Luka, Republic of Srpska, B&H
  • S. Sladojević University of Banja Luka, Faculty of Technology, Banja Luka, Republic of Srpska, B&H
  • D. Lazić University of East Sarajevo, Faculty of Technology, Zvornik, Republic of Srpska, B&H
  • D. Bodroža University of Banja Luka, Faculty of Technology, Banja Luka, Republic of Srpska, B&H

DOI:

https://doi.org/10.7251/562

Abstract

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.

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Published

2013-02-26