Through the methanol steam reforming (MSR), the energy of low temperature waste heat (100–150°C) can be recovered into that of hydrogen. However, actual MSR requires over 200°C to enable the high conversion of methanol into hydrogen. In this research, two types of combined absorption heat pump (AHP) and MSR systems were proposed: one-pass system and steam recycling system. The role of the AHP is to enhance the temperature level of the waste steam up to 230°C, which is used for the MSR. To evaluate the performances of these systems, “energy enhancement factor” was defined. As a result, the recovered energy of the waste heat was almost three times as much as the required work for the AHP when the reaction temperature and waste heat temperature and S/C ratio were 210°C and 150°C and 4.0, respectively. It was also indicated that the steam recycling was more effective at the higher reaction temperature and lower waste heat temperature and higher S/C ratio.
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ASME/JSME 2011 8th Thermal Engineering Joint Conference
March 13–17, 2011
Honolulu, Hawaii, USA
Conference Sponsors:
- Heat Transfer Division
ISBN:
978-0-7918-3892-1
PROCEEDINGS PAPER
A Proposal of Waste Heat Recovery System Through Methanol Steam Reforming Integrated With Absorption Heat Pump
Shunsuke Kawasaki,
Shunsuke Kawasaki
Tokyo Institute of Technology, Tokyo, Japan
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Willy Yanto Wijaya,
Willy Yanto Wijaya
Tokyo Institute of Technology, Tokyo, Japan
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Hirotatsu Watanabe,
Hirotatsu Watanabe
Tokyo Institute of Technology, Tokyo, Japan
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Ken Okazaki
Ken Okazaki
Tokyo Institute of Technology, Tokyo, Japan
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Shunsuke Kawasaki
Tokyo Institute of Technology, Tokyo, Japan
Willy Yanto Wijaya
Tokyo Institute of Technology, Tokyo, Japan
Hirotatsu Watanabe
Tokyo Institute of Technology, Tokyo, Japan
Ken Okazaki
Tokyo Institute of Technology, Tokyo, Japan
Paper No:
AJTEC2011-44253, T20098; 8 pages
Published Online:
March 1, 2011
Citation
Kawasaki, S, Yanto Wijaya, W, Watanabe, H, & Okazaki, K. "A Proposal of Waste Heat Recovery System Through Methanol Steam Reforming Integrated With Absorption Heat Pump." Proceedings of the ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASME/JSME 2011 8th Thermal Engineering Joint Conference. Honolulu, Hawaii, USA. March 13–17, 2011. T20098. ASME. https://doi.org/10.1115/AJTEC2011-44253
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