Journal of the Japan Institute of Energy
Online ISSN : 1882-6121
Print ISSN : 0916-8753
ISSN-L : 0916-8753
Original Paper
Effect of Hydrogen Donation of Palladium on Active Carbon on Woody Biomass Pyrolysis Using Diesel Oil as a Solvent
Kentaro KIMURA Syuhei NIISAKAYusuke KAKUTAKiyohumi KURIHARA
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2020 Volume 99 Issue 1 Pages 8-15

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Abstract

Hydrogen donation is important to produce liquefied oil from woody biomass by pyrolysis using diesel as solvent. However, when tetralin was used as a hydrogen donor, some physical properties of the diesel soluble fuel did not conform to the JIS standards, because the physical properties of tetralin are different from those of diesel oil. Therefore, the catalytic effect when palladium on carbon was used as the hydrogenation catalyst was examined because it was easily separated from the liquefied oil. As a result, effect of hydrogen donation of palladium on carbon suppressed residue formation and increased the liquefied oil. In the reaction process, it was suggested that palladium on carbon uses the hydrogen produced by dehydrogenation of the diesel oil and by the water gas shift reaction using CO and H2O derived from woody biomass. Hence, adding water examination was carried out for promotion of the water gas shift reaction. As a result, the water gas shift reaction was promoted by adding water and the amount of liquefied oil was increased. Furthermore, some physical properties of the diesel soluble fuel were improved and approached the JIS standards.

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© 2020 The Japan Institute of Energy
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