期刊
KOREAN JOURNAL OF CHEMICAL ENGINEERING
卷 34, 期 1, 页码 199-205出版社
KOREAN INSTITUTE CHEMICAL ENGINEERS
DOI: 10.1007/s11814-016-0227-y
关键词
CO2 Utilization; CO2 Reforming; Membrane Reactor; Hydrogen Permeance; Numerical Simulation
资金
- Catholic University of Daegu
A one-dimensional reactor model was employed to perform parametric studies for CO2 reforming of methane in a membrane reactor to investigate its feasibility as a new CO2 utilization process. The effect of key variables such as hydrogen permeance and Ar sweep gas flow rate to facilitate H-2 transport from a shell side (retentate) to a tube side (permeate) on the performance in a membrane reactor was studied at various temperatures with numerical simulation validated by experimental results. In addition, increase in CH4 conversion and H-2 yield enhancement observed in membrane reactor was successfully confirmed by profiles of H-2 partial pressure difference between shell and tube sides. From the numerical simulation studies, the feasibility of using a membrane reactor for CO2 reforming of methane was confirmed by increased CH4 conversion and H-2 yield enhancement compared to a packed-bed reactor at the same condition, which in turn leads to significant cost reductions due to a reduced operating temperature. Moreover, a window of H-2 permeance and a guideline for Ar sweep gas flow rate for the efficient membrane reactor design was obtained from this study.
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