Catalytic Gasification of Mandarin Waste Residue using Ni/CeO2-ZrO2 


Vol. 34,  No. 11, pp. 3387-3390, Nov.  2013
10.5012/bkcs.2013.34.11.3387


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  Abstract

Catalytic gasification of mandarin waste residue was carried out using direct and indirect catalyst-contact methods for the first time. In the indirect method, non-catalytic reaction in a reactor was followed by catalytic upgrading of vapor product in another reactor. Two different catalysts, Ni/γ-Al2O3 and Ni/CeO2-ZrO2, were employed. CeO2-ZrO2 support was prepared using hydrothermal synthesis in supercritical water. The catalysts were characterized by H2-temperature programmed reduction and Brunauer-Emmett-Teller analyses. Under the condition of equivalent ratio (ER) = 0, the indirect catalyst-contact method led to a higher gas yield than the direct method. Under ER = 0.2, the yield of biogas obtained over Ni/CeO2-ZrO2 was higher than that obtained over Ni/γ-Al2O3. Also, the coke formation of Ni/CeO2-ZrO2 was lower than that of Ni/γ-Al2O3. Such results were attributed to the higher reducibility and better lattice oxygen mobility of Ni/CeO2-ZrO2, which were advantageous for partial oxidation reaction.

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  Cite this article

[IEEE Style]

S. Kim, J. W. Kim, S. H. Park, S. Jung, J. Jeon, C. Ryu, Y. Park, "Catalytic Gasification of Mandarin Waste Residue using Ni/CeO2-ZrO2," Bulletin of the Korean Chemical Society, vol. 34, no. 11, pp. 3387-3390, 2013. DOI: 10.5012/bkcs.2013.34.11.3387.

[ACM Style]

Seong-Soo Kim, Jeong Wook Kim, Sung Hoon Park, Sang-Chul Jung, Jong-Ki Jeon, Changkook Ryu, and Young-Kwon Park. 2013. Catalytic Gasification of Mandarin Waste Residue using Ni/CeO2-ZrO2. Bulletin of the Korean Chemical Society, 34, 11, (2013), 3387-3390. DOI: 10.5012/bkcs.2013.34.11.3387.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949