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http://dx.doi.org/10.5012/bkcs.2010.31.04.803

Enhanced Removal of Phenol from Aquatic Solution in a Schorl-catalyzed Fenton-like System by Acid-modified Schorl  

Xu, Huan-Yan (College of Materials Science and Engineering, Harbin University of Science and Technology)
Prasad, Murari (Environmental Chemistry Division, Advanced Materials and Processing Research Institute (C.S.I.R.))
Wang, Peng (School of Municipal and Environmental Engineering, Harbin Institute of Technology)
Publication Information
Bulletin of the Korean Chemical Society / v.31, no.4, 2010 , pp. 803-807 More about this Journal
Abstract
Schorl modified by $H_2SO_4$ has been successfully developed to enhance schorl-catalyzed Fenton-like reaction for removal of phenol in an aqueous solution. The phenol removal percentage can be increased from 4% to 100% by the system of modified schorl and $H_2O_2$. Batch experiments indicate that the percent increases in removal of phenol by increasing the dosage of catalyst, temperature and initial concentration of $H_2O_2$. The results of XRD, FT-IR and SEM suggest that no new phases are formed after removal of phenol by modified schorl. ICP-AES results reveal that more dissolution of iron results in higher catalytic oxidant activity in the system of modified schorl and $H_2O_2$. Besides minor adsorption, mineral-catalyzed Fenton-like reaction governs the process.
Keywords
Modified schorl; Phenol; Fenton-like reaction; Mechanism;
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