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http://dx.doi.org/10.7316/KHNES.2017.28.5.536

Influence of Various Catalysts on the Biomass Pyrolysis Reaction  

BAK, YOUNG-CHEOL (Department of Chemical Engineering/Engineering Research Institute, Gyeongsang National University)
CHOI, JOO-HONG (Department of Chemical Engineering/Engineering Research Institute, Gyeongsang National University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.28, no.5, 2017 , pp. 536-544 More about this Journal
Abstract
The effects of catalysts addition on the pyrolysis reaction of biomass have been studied in a thermogravimetric analyzer (TGA). The sample biomasses were Bamboo, Pine and Hinoki. The catalysts tested were K, Zn, Cu metal compounds. The pyrolysis reactions were tested in the nonisothermal condition from the room temperature to $550^{\circ}C$ at a heating rate $50^{\circ}C/min$ on the flowing of $N_2$ purge gases. Cellulose contents of Bamboo was higher than that of Pine and Hinoki. As the results, the pyrolysis reaction of volatile matter was finished near the temperature $450^{\circ}C$. The initial decomposition temperatures of the volatile matters ($T_i$) were $165^{\circ}C$ for Bamboo, $190^{\circ}C$ for Pine, and $193^{\circ}C$ for Hinoki. $T_i$ decreased with increasing the catalyst amounts in the sample biomasses. The temperature of maximum reaction rate ($T_{max}$) were $338^{\circ}C$ for Bamboo, $378^{\circ}C$ for Pine, and $377^{\circ}C$ for Hinoki. The effects of catalysts addition on the $T_{max}$ were to decreased it. The reducing effects about $T_{max}$ was the most effective for K metal compounds catalyst. The char amounts remained after pyrolysis at $550^{\circ}C$ were 26.2% for Bamboo, 20.7% for Pine, and 20.9% for Hinoki. The char amounts increased with the catalyst amounts.
Keywords
Pyrolysis; Biomass; Bamboo; Pine; Hinoki; Catalyst; TGA;
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Times Cited By KSCI : 2  (Citation Analysis)
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