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Lee, Jae Sung
Eco-friendly Catalysis and Energy Lab
Research Interests
  • Photocatalytic water splitting, artificial photosynthesis, fuel cells, heterogeneous catalysis

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Effects of space velocity on methanol synthesis from CO2/CO/H-2 over Cu/ZnO/Al2O3 catalyst

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Title
Effects of space velocity on methanol synthesis from CO2/CO/H-2 over Cu/ZnO/Al2O3 catalyst
Other Titles
Effects of space velocity on methanol synthesis from CO2/CO/H-2 over Cu/ZnO/Al2O3 catalyst
Author
Lee, Jae SungHan, Sung HwanKim, Hyun GyuLee, Kyung HeeKim, Young Gul
Keywords
methanol synthesis; Cu/ZnO/Al2O3; catalyst; space velocity; surface coverage; N2O titration
Issue Date
2000-05
Publisher
KOREAN INSTITUTE CHEMICAL ENGINEERS
Citation
KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.17, no.3, pp.332 - 336
Abstract
The space velocity had profound and complicated effects on methanol synthesis from CO2/CO/H-2 over Cu/ZnO/Al2O3 at 523 K and 3.0 MPa. At high space velocities, methanol yields as well as the rate of methanol production increased continuously with increasing CO2 concentration in the feed. Below a certain space velocity, methanol yields and reaction rates showed a maximum at CO2 concentration of 5-10%. Different coverages of surface reaction intermediates on copper appeared to be responsible for this phenomenon. The space velocity that gave the maximal rate of methanol production also depended on the feed composition. Higher space velocity yielded higher rates for CO2/H-2 and the opposite effect was observed for the CO/H-2 feed. For CO2/CO/H-2 feed, an optimal space velocity existed for obtaining the maximal rate
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DOI
10.1007/BF02699049
ISSN
0256-1115
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ECHE_Journal Papers
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