Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/138173
Title: OPTIMIZATION STUDY OF FENTON AND UV-FENTON PROCESS FOR PETROCHEMICAL WASTEWATER TREATMENT
Authors: YAP YEE TENG
Keywords: Fenton, UV-Fenton, petrochemical, wastewater, optimization
Issue Date: 23-Aug-2017
Source: YAP YEE TENG (2017-08-23). OPTIMIZATION STUDY OF FENTON AND UV-FENTON PROCESS FOR PETROCHEMICAL WASTEWATER TREATMENT. ScholarBank@NUS Repository.
Abstract: Reduction of chemical oxygen demand (COD) value, dissolved oxygen demand (DOC) value, UV254 value and BOD5/COD ratio of petrochemical industry wastewater (COD approximately 2300 mg/L) by Fenton and UV-Fenton oxidation has been investigated. Response surface methodology was used to design the no. of experiment and analysis the data for the optimization study. Batch tests were conducted on the samples to determine the optimum process conditions. Fenton’s oxidation process was found to effectively reduce the COD, DOC and UV254 by 65%, 61% and 97%, respectively in 60 minutes. Effects of different process parameter: pH, H2O2 dosage and Fe2+ dosage were investigated. The Fenton process optimum conditions were at pH 3, H2O2 concentration 5800 mg/L and Fe2+ concentration 3800 mg/L. UV-Fenton oxidation process was found to effectively reduce the COD by 75% in 60 minutes. Effects of different process parameter: UV intensity, H2O2 dosage and Fe2+ dosage were investigated. The UV-Fenton process optimum conditions were at pH 3, H2O2 concentration 4100 mg/L and Fe2+ concentration 2100 mg/L and 2.2 mw/cm2 UV intensity.
URI: http://scholarbank.nus.edu.sg/handle/10635/138173
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