This data repository entry contains the following original data files that support the journal article "Shape-Dependent Reactivity of Ru/CeO2 Catalysts in the Chemical Recycling of Polypropylene to Liquid Hydrocarbons via Hydrogenolysis" (ACS Catalysis, 2023). Powder Xray diffraction and adsorptio data in text/asci format. All file names in the data set refer to sample names in paper.