Journal
JOURNAL OF ENERGY CHEMISTRY
Volume 26, Issue 4, Pages 660-666Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jechem.2017.03.012
Keywords
Biomass gasification; Tar reforming; Copper; Calcium oxide; Scallop shell
Funding
- Aomori City Government, Japan
- International Joint Research Project of Shanxi Province, China [2015081051, 2015081052]
- Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan
- Hirosaki University
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In this study, the main purpose is to develop low-cost catalysts with high activity and stability for high quality syngas production via steam reforming of biomass tar in biomass gasification process. The calcined waste scallop shell (CS) supported copper (Cu) catalysts are prepared for steam reforming of biomass tar. The prepared Cu supported on CS catalysts exhibit higher catalytic activity than those on commercial CaO and Al2O3. Characterization results indicate that Cu/CS has a strong interaction between Cu and CaO in CS support, resulting in the formation of calcium copper oxide phase which could stabilize Cu species and provide new active sites for the tar reforming. In addition, the strong basicity of CS support and other inorganic elements contained in CS support could enhance the activity of Cu/CS. The addition of a small amount of Co is found to be able to stabilize the catalytic activity of Cu/CS catalysts, making them reusable after regeneration without any loss of their activities. (C) 2017 Science Press and Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. and Science Press. All rights reserved.
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