2026-10-14T13:04:21Z https://www.scidb.cn/oai

10.57760/sciencedb.j00124.00475 2026-05-11T16:13:09Z

2026-05-11 Fabrication of Sheet-Like Y Zeolites with Enhanced Mesoporosity and Their Application in Catalytic Cracking of n-Octane doi:10.57760/sciencedb.j00124.00475 en In this study, thin-sheet NaY zeolites were synthesized by introducing ammonium polyphosphate (APP) with different polymerization degrees into the conventional synthesis gel. The effects of this additive on the structural, textural, and acidic properties of the resulting zeolites were systematically characterized using X-ray diffraction (XRD, Panalytical Empyrean Powder, Netherlands), N2 physisorption (Micromeritics Tristar II 3020, USA), scanning electron microscopy (SEM, Zeiss GeminiSEM 300 instrument), transmission electron microscopy (TEM, JEOL JEM-2100, Japan), NH3 temperature-programmed desorption (NH3-TPD, Micromeritics Autochem 2920, USA), and pyridine-adsorption infrared spectroscopy (Py-IR, Thermo Fisher Nicolet IS10, USA). The n-octane cracking reaction was carried out in a continuous flow fixed-bed reactor. The reaction products were analyzed online using an Agilent GC 7890 gas chromatograph equipped with a PONA column, a flame ionization detector (FID), and a thermal conductivity detector (TCD). Quantitative analysis was performed using the corrected area normalization method. All the data were plotted using Origin software. Y zeolite; Sheet-like morphology; Catalytic cracking; Light olefins. ZENG Penghui ZHENG Jiashuo ZHAO Hongjuan CAO Liyuan SHEN Baojian RESTRICTED dataset Science Data Bank