Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 120, Issue 6, Pages 3396-3407Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpcc.5b11840
Keywords
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Funding
- Strategic International Collaborative Research Program (SICORP)
- Japan Science and Technology (JST)
- Aomori city government, Japan
- International Joint Research Project of Shanxi Province [2015081051, 2015081052]
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan
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Cu loaded MCM-41 and KIT-6 are prepared by beta-cyclodextrin (CD) assisted coimpregnation method (Cu/MCM-41-CD and Cu/KIT-6-CD) for in situ catalytic upgrading of bio-oil derived from the fast pyrolysis of biomass. It is found that Cu/MCM-41-CD and Cu/KIT-6-CD exhibit higher catalytic activity for promoting the deoxygenation from the bio-oil when compared with those prepared by conventional impregnation method. 20 wt % of Cu loaded MCM-41-CD and KIT-6-CD shows the highest catalytic activity, by which the upgraded bio-oil is rich in monocyclic aromatic hydrocarbons such as benzene, toluene, and xylene with the total relative maximum hydrocarbon amounts of 73.2% and 86.1%. After reuse of the regenerated catalyst for four cycles, no serious reduction of total relative hydrocarbon amount is found. The possible upgrading mechanism is proposed. It is expected to provide a new direction with a green method for development of the catalyst for the upgrading of bio-oil.
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