Fenolün Sıvı Faz Oksidasyonu için Mil-53 Katalizörünün Hidrotermal Sentezi

Toksik organik fenol kirleticilerini uzaklaştırmak için yeni bir alternatif oksidasyon katalizörü bulmak uzun zamandan beri önemli bir konudur. Demir tereftalat, yüksek gözenekliliği ve yüksek yüzey alanıyla oksidasyon süreçleri için etkili bir katalizördür. Bu çalışmada, fenol oksidasyonu için MIL-53 kullanılmıştır. Katalizör 2 saatte 150°C'de hidrotermal yöntemle sentezlendi. FT-IR ve toz-XRD ile yapısal olarak karakterize edildi. Termal özellikleri de incelendi. Yüzey alanı, mikrogözenekli alanlarla 152 m2 /g olarak bulundu. Fenolün hidrojen peroksit ile sıvı faz oksidasyonu MIL-53 üzerinde uygulandı. Reaksiyon süresi, reaksiyon sıcaklığı, katalizör miktarı ve yükseltgen miktarı da incelendi. Fenol 80°C'de 3 saatte %91 dönüşümle uzaklaştırıldı. MIL-53, fenolün sıvı faz oksidasyonu için yüksek verimlilik, seçicilik ve dönüşüm ile alternatif bir katalizör olarak geliştirildi.

Hydrothermal Synthesis of MIL-53 Catalyst for Liquid Phase Oxidation of Phenol

For the removal of toxic organic phenol pollutants, to find a new alternative oxidation catalyst has been an importanttopic for a long time. Iron terephthalate (MIL-53) is an efficient catalyst for oxidation processes with high porosity andhigh surface area. In this study, MIL-53 was used for the oxidation of phenol. The catalyst was synthesized by hydrothermalmethod at 150°C for 2 h. It was structurally characterized by FT-IR and p-XRD. Thermal properties were also examined. Thesurface area was found as 152 m2/g with micropore areas. The liquid phase oxidation of phenol by hydrogen peroxide wasperformed on MIL-53. The reaction time, reaction temperature, catalyst amount and oxidant amount were also investigated.The phenol was removed with 91% conversion for 3 hours at 80°C. MIL-53 was enhanced as an alternative catalyst for liquidphase oxidation of phenol with high efficiency, selectivity, and conversion.

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