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Title: Steam reforming of simulated bio-oil on K-Ni-Cu-Mg-Ce-O/Al2O3: The effect of K

Journal Article · · Catalysis Today
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  1. Washington State Univ., Pullman, WA (United States). Gene and Linda Voiland School of Chemical Engineering and Bioengineering
  2. Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Inst. for Integrated Catalysis; Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Environmental Molecular Sciences Lab. (EMSL)
  3. Washington State Univ., Pullman, WA (United States). Gene and Linda Voiland School of Chemical Engineering and Bioengineering; Pacific Northwest National Lab. (PNNL), Richland, WA (United States). Inst. for Integrated Catalysis

Steam reforming of simulated bio-oil (ethanol, acetone, phenol, and acetic acid) and phenol has been studied on K-Ni-Cu-Mg-Ce-O/Al2O3 composite catalysts. Complementary characterization techniques, such as nitrogen sorption, XRD, H2-TPR, H2-TPD, CO-TPD, CO-DRIFTS, and in situ XPS, were used to correlate surface structure and functionality to catalytic performance of potassium (K) doped catalysts. K doping of the Ni-Cu-Mg-Ce-O/Al2O3 catalyst created a Ni°/Ni2+ mixed active phase, which not only enhanced steam reforming activity, but also suppressed the methanation reaction. In addition, K doping changed the surface acid-basic properties of the catalyst, which instead favor the gasifcation and water-gas shift reactions. In conclusion, with the combination of these effects, K doping of Ni-Cu-Mg-Ce-O/Al2O3 catalysts led to higher C1 yield and much lower methane formation, favoring hydrogen production in steam reforming of both phenol and simulated bio-oil.

Research Organization:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
FG02-05ER15712; AC05-76RL01830
OSTI ID:
1435644
Report Number(s):
PNNL-SA-135619; PII: S0920586118304097
Journal Information:
Catalysis Today, Vol. 323; ISSN 0920-5861
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 14 works
Citation information provided by
Web of Science

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Figures / Tables (12)