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Investigation of Effective Factors for Fenton like Process in Para!Chlorophenol Removal from Aqueous Solutions

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Author(s): M Manshouri | A.R Yazdanbakhsh | M Sardar | A Sheykh Mohammadi

Journal: Iranian Journal of Health and Environment
ISSN 2008-2029

Volume: 3;
Issue: 4;
Start page: 381;
Date: 2011;
Original page

Keywords: Para-chlorophenol | Hydrogen peroxide | Iron powder | pH | Wastewater

ABSTRACT
"n "nBackgrounds and Objectives: Chlorophenol compounds are used frequently in industries including: petrochemical, producing pesticide and herbicides, producing antimicrobial agents, pharmaceutical and refineries. These compounds can enter the environment through the wastewater industries. This investigation has studied the application of Fenton-like process (Fe0/H2O2) in removal of Parachlorophenol."nMaterials and Methods: A laboratory scale study was done on a synthetic wastewater containing Para-chlorophenol. Concentration of 10 mg/L of Para-chlorophenol was prepared then optimal values of affecting parameters such as pH, hydrogen peroxide, and iron powder and detention time in the process for Para-chlorophenol removal were determined."nResults: The optimum pH, molar ratio of hydrogen peroxide on Para-chlorophenol, hydrogen peroxide on iron powder and time were 4, 18.8, 0.4 and 5 minutes respectively. The results showed that removal efficiency in optimal conditions for concentrations of 10, 50 and 100 mg/L are 93.9, 94.4 and 94.3 respectively. The study showed the rate of mineralization of Para-chlorophenol is not completed. "nConclusion: According to the results of this study and high resistance in degradation by biological processes, Fenton like process can be used for conversion Para-chlorophenol resistant compound to other compounds with ability of higher biological degradation and lower toxicity.

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