A comparative computational study of diesel steam reforming in a catalytic plate heat-exchange reactor

被引：5

作者：

Mundhwa, Mayur ^{[1
]}

Thurgood, Christopher P. ^{[1
]}

Dhingra, Harsh ^{[2
]}

Parmar, Rajesh D. ^{[2
]}

Peppley, Brant A. ^{[2
]}

机构：

[1] Royal Mil Coll Canada, Dept Chem & Chem Engn, Kingston, ON K7K 7B4, Canada

[2] Queens Univ, Dept Chem Engn, Kingston, ON K7L 5L9, Canada

来源：

AICHE JOURNAL | 2017年 / 63卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

catalytic plate reactor; steam reforming; CFD; simulation; SOFC; WATER-GAS-SHIFT; METHANE; TETRADECANE; KINETICS; FLOW;

D O I：

10.1002/aic.15391

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A two-dimensional steady-state model of a catalytic plate reactor for diesel steam reforming is developed. Heat is provided indirectly to endothermic reforming sites by flue gas from a SOFC tail-gas burner. Two experimentally validated kinetic models on diesel reforming on platinum (Pt) catalyst were implemented for a comparative study; the model of Parmar et al., Fuel. 2010;89(6):1212-1220 for a Pt/Al2O3 and the model of Shi et al., International Journal of Hydrogen Energy. 2009;34(18):7666-7675 for a Pt/Gd-CeO2 (GDC). The kinetic models were compared for: species concentration, approach to equilibrium, gas hourly space velocity and effectiveness factor. Cocurrent flow arrangement between the reforming and the flue gas channels showed better heat transfer compared to counter-current flow arrangement. The comparison between the two kinetic models showed that different supports play significant role in the final design of a reactor. The study also determined that initial 20% of the plate reactor has high diffusion limitation suggesting to use graded catalyst to optimize the plate reactor performance. (c) 2016 American Institute of Chemical Engineers AIChE J, 63: 1102-1113, 2017

引用

页码：1102 / 1113

页数：12

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