Fenton Reaction of 4-Chlorophenol Degradation Using Fe-TiO2 /Diatomite

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Atipong Paikamnam
Pornsawan Assawasaengrat
Prakob Kitchaiya
Pongsert Sriprom


The degradation of 4-chlorophenol using Fenton reaction via Fe-TiO2/Diatomite was studied. The Fe-TiO2/Diatomite catalysts prepared via sol-gel method were characterized by XRD, BET surface area and FT-IR. The XRD results showed that the synthesized Fe-TiO2/Diatomite catalysts was crystalline quartz and anatase TiO2. Furthermore, BET showed that the surface area of Fe-TiO2/Diatomite catalyst was 20.06 m2/g the average pore size was 13.53 nm. which indicated that it was a mesoporous material. FT-IR showed peaks between Si-O-Si bond, Ti-O stretching vibration and Fe-O-Ti bond stretching. The Fenton-like reactions were carried out in a batch reactor at pH (1-9), initial concentration of 4-chlorophenol (10 - 30 mg/L) and initial concentration of hydrogen peroxide (10 - 30 mmol/L). From the results obtained, the optimal condition for 4-chlorophenol degradation was found to be pH of 2, initial concentration of 4-chlorophenol 10 mg/L, initial concentration of H2O2 30 mmol/L. The 4-chlorophenol degradation at optimal condition was 84.46% for 240 minutes.

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