Enhancing hydrothermal stability of nano-sized HZSM-5 zeolite by phosphorus modification for olefin catalytic cracking of full-range FCC gasoline

Phosphorus modification of nano-sized HZSM-5 zeolite by trimethyl phosphate impregnation was employed to enhance hydrothermal stability of the zeolites, which exhibited excellent catalytic performance for the olefin catalytic cracking of full-range fluid catalytic cracking gasoline.