Details
| Original language | English |
|---|---|
| Pages (from-to) | 34-43 |
| Number of pages | 10 |
| Journal | Chemical engineering science |
| Volume | 67 |
| Issue number | 1 |
| Publication status | Published - 1 Jan 2012 |
| Externally published | Yes |
Abstract
A strategy for the design of a cascade of electrochemical membrane reactors for the preferential oxidation of carbon monoxide from reformate gases is proposed. Based on the analysis of the system's degrees of freedom of a compact model, an optimisation problem is formulated, using an economic objective function. Two different options are analysed and compared. In the first option, the stages of the cascade are arranged in a single stack. This is a technically preferable option, but it imposes several constraints regarding the size and the current densities of the cascade's stages. We show how the solution of the corresponding optimisation problem can be obtained graphically. The second option neglects the constraints of the first option, but is disadvantageous from a technical point of view. Optimisation results for this unconstrained system show that its objective function values are only marginally better compared to the stacked system. Thus the stacked design can be considered preferable.
Keywords
- Dynamic simulation, Energy, Mathematical modelling, Reaction engineering, Scale-up, Systems engineering
ASJC Scopus subject areas
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In: Chemical engineering science, Vol. 67, No. 1, 01.01.2012, p. 34-43.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - On the design of cascades of ECPrOx reactors for deep CO removal from reformate gas
AU - Heidebrecht, P.
AU - Hanke-Rauschenbach, R.
AU - Jörke, A.
AU - Sundmacher, K.
N1 - Copyright: Copyright 2011 Elsevier B.V., All rights reserved.
PY - 2012/1/1
Y1 - 2012/1/1
N2 - A strategy for the design of a cascade of electrochemical membrane reactors for the preferential oxidation of carbon monoxide from reformate gases is proposed. Based on the analysis of the system's degrees of freedom of a compact model, an optimisation problem is formulated, using an economic objective function. Two different options are analysed and compared. In the first option, the stages of the cascade are arranged in a single stack. This is a technically preferable option, but it imposes several constraints regarding the size and the current densities of the cascade's stages. We show how the solution of the corresponding optimisation problem can be obtained graphically. The second option neglects the constraints of the first option, but is disadvantageous from a technical point of view. Optimisation results for this unconstrained system show that its objective function values are only marginally better compared to the stacked system. Thus the stacked design can be considered preferable.
AB - A strategy for the design of a cascade of electrochemical membrane reactors for the preferential oxidation of carbon monoxide from reformate gases is proposed. Based on the analysis of the system's degrees of freedom of a compact model, an optimisation problem is formulated, using an economic objective function. Two different options are analysed and compared. In the first option, the stages of the cascade are arranged in a single stack. This is a technically preferable option, but it imposes several constraints regarding the size and the current densities of the cascade's stages. We show how the solution of the corresponding optimisation problem can be obtained graphically. The second option neglects the constraints of the first option, but is disadvantageous from a technical point of view. Optimisation results for this unconstrained system show that its objective function values are only marginally better compared to the stacked system. Thus the stacked design can be considered preferable.
KW - Dynamic simulation
KW - Energy
KW - Mathematical modelling
KW - Reaction engineering
KW - Scale-up
KW - Systems engineering
KW - Dynamic simulation
KW - Energy
KW - Mathematical modelling
KW - Reaction engineering
KW - Scale-up
KW - Systems engineering
KW - Bioreactors
UR - http://www.scopus.com/inward/record.url?scp=81155151022&partnerID=8YFLogxK
U2 - 10.1016/j.ces.2011.07.031
DO - 10.1016/j.ces.2011.07.031
M3 - Article
AN - SCOPUS:81155151022
VL - 67
SP - 34
EP - 43
JO - Chemical engineering science
JF - Chemical engineering science
SN - 0009-2509
IS - 1
ER -