A quantitative study of the structure–activity relationship in hierarchical zeolites using liquid‐
pha reactions
期刊名称： AIChE Journal
作者： Dandan Xu,Omar Abdelrahman,Sang Hyun Ahn,Yasmine Guefrachi,Anatoliy Kuznetsov,Limin Ren,Sonjong Hwang,Maryam Khaleel,Saeed Al Hassan,Dongxia Liu,Suk Bong Hong,Paul Dauenhauer,Michael Tsapatsis
年份： 2019年
关键词： hierarchical zeolites;liquid‐pha alkylation and
etherification;kinetics;reaction–diffusion modeling;surface topology
摘要：Micro/meso/macroporous (hierarchical) zeolites show remarkable catalytic performance for reactions involving bulky reactants. However, quantitative asssment of the microstructural characteri
stics contributing to the obrved performance remains elusive. Here, structure–activity relationships are established for a t of micro/mesoporous lf‐pillared pentasil (SPP) zeolites using two parallel liquid‐pha reactions (benzyl alcohol alkylation and lf‐etherification) bad on analysis of mass transport and reaction kinetics. A reaction–diffusion mathematical model is developed that quantitatively assigns the catalytic contributions of the external surface and micropores of SPP zeolites for the reactions. In addition, the effect of the zeolite external surface structure on the corresponding catalytic
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