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http://dx.doi.org/10.7316/KHNES.2017.28.4.323

Effect of Coal Ash as A Catalyst in Biomass Tar Steam Reforming  

JANG, JINYOUNG (Advanced Energy Technology, Korea University of Science and Technology)
OH, GUNUNG (Advanced Energy Technology, Korea University of Science and Technology)
RA, HOWON (Clean Fuel Laboratory, Korea Institute of Energy Research)
SEO, MYUNGWON (Clean Fuel Laboratory, Korea Institute of Energy Research)
MUN, TAEYOUNG (Clean Fuel Laboratory, Korea Institute of Energy Research)
MOON, JIHONG (Clean Fuel Laboratory, Korea Institute of Energy Research)
LEE, JAEGOO (Advanced Energy Technology, Korea University of Science and Technology)
YOON, SANGJUN (Advanced Energy Technology, Korea University of Science and Technology)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.28, no.4, 2017 , pp. 323-330 More about this Journal
Abstract
Ash remaining after coal combustion was used as a catalyst support for tar steam reforming with various proportions of $Al_2O_3$ added for higher reforming efficiency. At a constant Ni content of 12 wt%, a coal ash and $Al_2O_3$ were mixed at a ratio of 5:5, 7:3, 9:1. As a result, the catalytic activity for toluene steam reforming was improved by adding $Al_2O_3$ at $500-600^{\circ}C$. The catalysts with ratio 7:3 and 5:5 reached toluene conversion of 100% above $700^{\circ}C$. When comparing the catalysts in which the coal ash and $Al_2O_3$ mixed at a ratio of 5:5 and 7:3 with the Ni/Al catalyst, it was concluded that this coal ash catalyst has efficient catalytic performance.
Keywords
Coal ash; Biomass tar; Catalyst; Alkali and alkaline earth metal; Steam reforming;
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