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Updated: Mar 12, 2026

Tuning the Acidity of Pt/ CNTs Catalysts for Hydrodeoxygenation of Diphenyl Ether
Published on: August 17, 2019
Preparation, characterization, and testing of metal-doped carbon xerogels as catalyst for phenol CWAO
Raluca Pleşa Chicinaş1, L Cosmin Coteţ1, Andrada Măicăneanu2,3
1Department of Chemical Engineering, Babeş-Bolyai University, 11 Arany Janos st., 400028, Cluj-Napoca, Romania.
Abstract:
Co-, Ce-, and Ni-doped carbon xerogels (Me-CX) synthesized by sol-gel method followed by an ion exchange process were used as catalysts for catalytic wet air oxidation (CWAO) of phenol. The prepared catalysts were characterized using TEM, SEM, BET surface area, and XRD. Me-CX catalysts were tested in mild conditions (20-60 °C, atmospheric pressure) in a semi-batch reactor in various reaction conditions (30-60 L/h, 0.05-0.2 g catalysts, 50-175 mg phenol/L). Total organic carbon (TOC) removal efficiency values obtained decrease in the following order Co-CX ≅ Ce-CX > Ni1-CX > K-CX for the catalysts obtained using the same procedure. TOC removal efficiencies of up to 72% were reached in case of Co-CX catalyst at 20 °C, 40 L/h, using 0.15 g catalyst and a solution of 100 mg phenol/L.
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