A one-dimensional modeling approach for dual-layer monolithic catalysts
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- 作者：Behnam Mozaffaria ; Steffen Tischerb ; Martin Votsmeierc ; Olaf Deutschmanna ; b ; deutschmann@kit.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Monolithic catalyst ; Multi-layer washcoat ; Mass transfer coefficient ; Diffusion limitation ; Ammonia slip ; Exhaust-gas aftertreatment
- 刊名：Chemical Engineering Science
- 出版年：2016
- 出版时间：12 January 2016
- 年：2016
- 卷：139
- 期：Complete
- 页码：196-210
- 全文大小：4479 K
文摘
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A 1D model for monolithic catalysts with dual-layer washcoat (DLWC) is derived.
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Analytical expressions for mass transfer coefficients for circular channels in DLWC.
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Expressions of internal Sherwood numbers based on Thiele moduli in DLWC.
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Model is applicable for control and optimization of automotive catalysts.
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Numerical simulation of dual-layer SCR/PGM catalysts.