Porous materials,such as solid catalysts,are used in various chemical reactions in industry to produce chemicals,materials,and fuels.Understanding the interplay between pore architecture and catalytic behavior is of g...Porous materials,such as solid catalysts,are used in various chemical reactions in industry to produce chemicals,materials,and fuels.Understanding the interplay between pore architecture and catalytic behavior is of great importance for synthesizing a better industrial-grade catalyst material.In this study,we have investigated the modiffcation of the pore architecture of zeolite-based aluminabound shaped catalyst bodies via the addition of different starches as pore-forming agents.A combination of microscopy techniques allowed us to visualize the morphological changes induced and make a link between pore architecture,molecular transport,and catalytic performance.As for the catalytic performance in the methanol-to-hydrocarbons(MTH)reaction,pore-forming agents resulted in up to∼12%higher conversion,an increase of 74%and 77%in yield(14%and 13%compared to 8.6%and 7.7%of the reference sample in absolute yields)toward ethylene and propylene,respectively,and an improved lifetime of the catalyst materials.展开更多
基金funding from the European Union’s EU Framework Program for Research and Innovation Horizon 2020 under Grant Agreement No.721385(MSCA-ETN SOCRATES,https://etn-socrates.eu/)and the US Army Research Office.
文摘Porous materials,such as solid catalysts,are used in various chemical reactions in industry to produce chemicals,materials,and fuels.Understanding the interplay between pore architecture and catalytic behavior is of great importance for synthesizing a better industrial-grade catalyst material.In this study,we have investigated the modiffcation of the pore architecture of zeolite-based aluminabound shaped catalyst bodies via the addition of different starches as pore-forming agents.A combination of microscopy techniques allowed us to visualize the morphological changes induced and make a link between pore architecture,molecular transport,and catalytic performance.As for the catalytic performance in the methanol-to-hydrocarbons(MTH)reaction,pore-forming agents resulted in up to∼12%higher conversion,an increase of 74%and 77%in yield(14%and 13%compared to 8.6%and 7.7%of the reference sample in absolute yields)toward ethylene and propylene,respectively,and an improved lifetime of the catalyst materials.
