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Mathematical Model of a Monolith Catalytic Incinerator

Soo Hyun Jang¹ Wha Seung Ahn^1† Jae Mok Ha^{1 2} Kwang Ja Park^{1 2}

¹School of Chemical Science and Engineering, Inha University, Inchon, Korea ²Agency for Technology and Standards, Kwacheon, Korea

whasahn@dragon.inha.ac.kr

Korean Journal of Chemical Engineering, November 1999, 16(6), 778-783(6), 10.1007/BF02698351

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Abstract

A set of 1-dimensional mathematical models were developed to simulate both the steady state and transient performance of monolithic catalytic incinerators for VOC abatement. In modelling transient performance, quasi-steady state gas phase was assumed since transient response time is determined primarily by the thermal inertia of the monolith. Higher inlet gas temperatures and lower gas velocities were predicted to give higher conversion and faster response times. VOC concentration had little influence on the performance within the concentration ranges used. A catalytic incinerator is shown to operate typically under mass transfer limited conditions, and monolith channel density and shape have significant influence on the conversion and monolith heating time. The metallic monolith was predicted to show superior steady state and transient responses due to its lower thermal inertia generated by higher cell density and thinner wall.

Keywords

Catalytic Incinerator Monolith Mathematical Model VOC

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