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Title

STUDY OF 4-CHOLORO-2-NITROPHENOL REMOVAL FROM AQUEOUS SOLUTION BY MODIFIED FENTON USING IRON NANO PARTICLES

Pages

 Start Page 7 | End Page 11

Abstract

 Among the compounds of water pollutants which generally discharge into water resources through raw wastewater and effluent, PHENOLic compounds are particularly important. This compounds enter into water resources naturally. Since PHENOLic compounds are toxic substance and eliminating them through a biological method is difficult, using the process of fenton oxidation and modified fenton seems appropriate because of the facility and the possibility of application in different scales and also economic considerations. In this study, the efficiency of fenton oxidation and modified fenton process in the removal of 4choloro 2nitrophenol (4C2NP) from aqueous solutions wewe examined. This is an experimental study which is carried out in laboratory scale. The solution under study is prepared from different 4C2NP concentrations. The optimized parameters in fenton and modified fenton process including pH, reaction time, temperature and dosage of H202 and Fe2+ were considered. 4C2NP concentration is measured using a UV-Vis spectrophotometer. In the fenton and modified fenton process, maximum 4C2NP removal was found 88% at following conditions: pH of solution, reaction time 5 min, 50 mg/L H202 and 50 mg/L ferric sulfate. The results of this study showed that fenton and modified FENTON OXIDATION PROCESS has a high efficiency in the removal of 4C2NP from aqueous solutions.

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