Performance and characterization of BEA catalysts for catalytic cracking

Ryosuke Nakao,Yoshihiro Kubota,Naonobu Katada,Norikazu Nishiyama,Kimio Kunimori,Keiichi Tomishige

doi:10.1016/j.apcata.2004.06.013

Performance and characterization of BEA catalysts for catalytic cracking

Ryosuke Nakao, Yoshihiro Kubota + Show 4 more

https://doi.org/10.1016/j.apcata.2004.06.013

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Journal: Applied Catalysis A-general	Publication Date: Jul 28, 2004
Citations: 22

Affiliation: University of Tsukuba, Gifu University, Tottori University, Japan Science and Technology Agency, Osaka University

#Activity In Catalytic Cracking #Hydrothermal Synthesis Method + Show 8 more

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Abstract

Homemade BEA zeolite prepared by a hydrothermal synthesis method (BEA(HTS)) had more Brønsted acid sites than commercial BEA zeolites, and exhibited much higher activity in catalytic cracking of hydrocarbons, especially n-heptane. The catalyst was characterized by means of X-ray diffraction, nitrogen adsorption, temperature-programmed desorption of adsorbed ammonia, and FT-IR of adsorbed pyridine. The structure of BEA(HTS) was found to be partly changed and partly destroyed; however, BEA(HTS) gave high n-heptane conversion even after the regeneration treatment.

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