TY - EJOUR AU - Divband, Baharak AU - Jodaie, Azadeh AU - Khatmian, Masumeh PY - 2024 DA - February TI - Enhancement of photocatalytic degradation of 4-nitrophenol by integrating Ag nanoparticles with ZnO/HZSM-5 nanocomposite T2 - Iranian Journal of Catalysis VL - 9 L1 - https://oiccpress.com/iranian-journal-of-catalysis/article/enhancement-of-photocatalytic-degradation-of-4-nitrophenol-by-integrating-ag-nanoparticles-with-zno-hzsm-5-nanocomposite/ N2 - In this paper, Ag/ZnO/HZSM-5ternary nanocomposites with different Ag loadings were prepared by the photo precipitation method. The prepared photocatalysts were characterized by XRD, BET, SEM and TEM. The photocatalytic activity of ZnO/HZSM-5 for 4-nitrophenol (4-NP) degradation was increased by silver doping. Effects of various parameters such as the initial concentration of 4-NP, pH and Ag loading on 4-NP degradation were studied. The best activities were obtained for the 3% Ag-10% ZnO/HZSM-5 nanocatalysts at pH 7.9, 1 g L−1 of the catalyst and 5 ppm of 4-NP. Langmuir–Hinshelwood (L–H) model was proposed for the rate equation of the 4-NP degradation. IS - 1 PB - OICC Press KW - Photocatalytic oxidation, Photo precipitation method, Ag/ZnO/HZSM-5, Ternary nanocomposites EN -