Modulation of Al Distribution in High-Silica ZSM-5 Zeolites for Enhancing Catalytic Performance
Liang Zhao,
Pei-Pei Xiao,
Yong Wang
et al.
Abstract:The spatial distribution of framework Al (Al F ) has been one of the important factors that affect the catalytic properties of zeolites in diverse chemical reactions; however, the synthesis of high-silica zeolites with special Al F distribution remains a challenge. In this study, we successfully synthesized high-silica ZSM-5 zeolites with a unique Al F distribution by employing pentaerythritol (PET) as an additive in the presence of a few tetrapropylammonium hydroxide (TPAOH). The results demonstrated that the… Show more
Zeolites contain proton active sites in diverse void environments that stabilize the intermediates and transition states formed in converting hydrocarbons and oxygenates to chemicals and energy carriers. The catalytic diversity...
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