Abstract
The study investigates the catalytic performance of hierarchical granular Na–Yh zeolites promoted with metal oxides (designated as ZnO/Na–Yh, NiO/Na–Yh, Co3O4/Na–Yh, and CuO/Na–Yh) in the synthesis of quinolines from aniline and n-propanol. The highest aniline conversion and highest total quinoline selectivity (49 and 63%, respectively) were achieved in the presence of the ZnO/Na–Yh sample. The samples promoted with Ni, Co, and Cu oxides reached a twofold lower aniline conversion (20–26%) with quinoline selectivity of 42–51%.

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