Impact of zeolite and -alumina intra-particle diffusion on the performance of a dual layer catalyst

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Impact of zeolite and -alumina intra-particle diffusion on the performance of a dual layer catalyst

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作者：Michal Dudá ; k^a ; Vladimí ; r Nová ; k^c ; ^{vladimir.novak@matthey.com" class="auth_mail" title="E-mail the corresponding author} ; Petr Kočí ; ^a ; ^b ; ^{petr.koci@vscht.cz" class="auth_mail" title="E-mail the corresponding author} ; ; Milo&scaron ; Marek^a ; ^b ; Patricia Blanco-Garcí ; a^c ; Dave Thompsett^c
关键词：Exhaust gas aftertreatment ; Dual layer catalyst ; Effective diffusivity ; CO oxidation ; Mathematical modeling
刊名：Chemical Engineering Journal
出版年：2016
出版时间：1 October 2016
年：2016
卷：301
期：Complete
页码：178-187
全文大小：1833 K

文摘

•: Structure of dual-layer coated alumina and zeolite catalysts analyzed.
•: Diffusion limitation predicted by multiscale models and verified in experiments.
•: Contribution of internal meso- and micro-pores to transport analyzed.
•: Main diffusion route goes through macropores.
•: Effective diffusivity similar in macroporous alumina and zeolite layers.

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