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author:

Qiu, T. (Qiu, T..) [1] | Wang, Q. (Wang, Q..) [2] | Yang, C. (Yang, C..) [3]

Indexed by:

Scopus

Abstract:

The upscaling process of multicomponent mass transfer and reaction in a rigid and homogeneous porous media was carried out using the method of volume averaging. The first-order reversible reaction which occurs at the solid-fluid interface was considered in this paper. The corresponding macroscopic governing equations were derived from the system dynamics at the pore scale. The effective coefficients were obtained by solving the associated closure problems. This study shows that if the backward reaction rate constant at the microscale is small enough, i.e. k-→0, the obtained upscaled model is in accordance with the macroscopic model derived from the first-order irreversible heterogeneous reaction case which was extensively investigated in the literature. The influence of reaction rates on the effective parameters in the macroscopic equations was also investigated. It has been found that both forward and backward reaction rates have significant influence on the effective diffusivities and effective reaction rates in the macroscopic equations. The established equations were successfully verified by the comparison of the direct numerical calculations. © 2017 Elsevier Ltd

Keyword:

Effective parameters; Porous media; Reaction rate; Reversible reaction; Volume averaging

Community:

  • [ 1 ] [Qiu, T.]College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 2 ] [Wang, Q.]College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 3 ] [Yang, C.]College of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350116, China

Reprint 's Address:

  • [Qiu, T.]College of Chemical Engineering, Fuzhou UniversityChina

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Source :

Chemical Engineering Science

ISSN: 0009-2509

Year: 2017

Volume: 171

Page: 100-116

3 . 3 0 6

JCR@2017

4 . 1 0 0

JCR@2023

ESI HC Threshold:226

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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