TY - JOUR
T1 - Optimization of a counter-flow microchannel reactor using hydrogen assisted catalytic combustion for steam reforming of methane
AU - Jeon, Seung Won
AU - Yoon, Won Jae
AU - Jeong, Min Woo
AU - Kim, Yongchan
N1 - Funding Information:
This work was supported by the Human Resources Program in Energy Technology of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant financial resource from the Ministry of Trade, Industry & Energy, Republic of Korea . (No. 20124010203250 ) and the Mid-career Researcher Program through an NRF grant funded by the MSIP (No. 2013068888 ).
Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.
PY - 2014/4/15
Y1 - 2014/4/15
N2 - The objective of this study is to optimize a microchannel reactor using hydrogen assisted catalytic combustion for steam reforming of methane. Hydrogen assisted catalytic combustion does not require preheating because the catalytic combustion of hydrogen occurs at room temperature. After start-up by hydrogen catalytic combustion, fuels of hydrogen and methane were changed to methane. The geometric configuration of the counter-flow reactor was optimized by the simulation model under steady state condition. The hydrogen flow rate in the counter-flow reactor was also optimized by transient simulations using the response surface methodology. As a result, the counter-flow reactor showed extremely short start-up time because of the optimized configuration and the optimized hydrogen flow rate. Hot spots were avoided because of the hydrogen shut-off after start-up. The operating characteristics of the counter-flow reactor were compared with those of the co-flow reactor.
AB - The objective of this study is to optimize a microchannel reactor using hydrogen assisted catalytic combustion for steam reforming of methane. Hydrogen assisted catalytic combustion does not require preheating because the catalytic combustion of hydrogen occurs at room temperature. After start-up by hydrogen catalytic combustion, fuels of hydrogen and methane were changed to methane. The geometric configuration of the counter-flow reactor was optimized by the simulation model under steady state condition. The hydrogen flow rate in the counter-flow reactor was also optimized by transient simulations using the response surface methodology. As a result, the counter-flow reactor showed extremely short start-up time because of the optimized configuration and the optimized hydrogen flow rate. Hot spots were avoided because of the hydrogen shut-off after start-up. The operating characteristics of the counter-flow reactor were compared with those of the co-flow reactor.
KW - Catalytic combustion of hydrogen
KW - Heat exchanger reactor
KW - Hydrogen assisted combustion
KW - Response surface methodology
KW - Start-up
KW - Steam reforming of methane
UR - http://www.scopus.com/inward/record.url?scp=84897442733&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84897442733&partnerID=8YFLogxK
U2 - 10.1016/j.ijhydene.2014.02.012
DO - 10.1016/j.ijhydene.2014.02.012
M3 - Article
AN - SCOPUS:84897442733
SN - 0360-3199
VL - 39
SP - 6470
EP - 6478
JO - International Journal of Hydrogen Energy
JF - International Journal of Hydrogen Energy
IS - 12
ER -
