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Comparative study of Ni loading methods towards superior CO2 conversion over Ni/SBA-15

Syahida Nasuha, Bukhari and C. C., Chong and Herma Dina, Setiabudi and N., Ainirazali and M. A., A. Aziz and L. P., Teh and N. H. R., Annuar (2018) Comparative study of Ni loading methods towards superior CO2 conversion over Ni/SBA-15. In: 5th International Conference On Business, Science And Technology (ICBST 2018), 13 - 15 April 2018 , Hotel Equatorial Ho Chi Minh City, Ho Chi Minh City, Vietnam. pp. 1-5.. (Unpublished)

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A series of Ni/SBA-15 catalysts were successfully synthesized via conventional wet impregnation method (C-IM), P123-assisted impregnation method (P123-IM) and ultrasonic-assisted impregnation technique (US-IM) methods. The obtained results confirmed that the impregnation methods significantly influenced the physio-chemical properties of Ni/SBA-15 catalysts, which subsequently influenced the catalytic performances of catalysts. The catalytic performance of catalysts followed the order of Ni/SBA-15(P123-IM) > Ni/SBA-15(US-IM) > Ni/SBA-15(C-IM), indicating the superior performance of Ni/SBA-15(P123-IM) towards CO2 methanation (CO2 conv.: 91.1 % , CH4 selec.: 97.7 %) and CO2 dry reforming (CO2 conv.: 82.6 % , H2/CO: 1.23). An excellent catalytic performance of Ni/SBA-15(P123-IM) owing to its favorable textural properties; homogenous Ni dispersion, smaller NiO crystallite size (12.1 nm), and higher concentration of metal-support interaction. P123-IM method successfully synthesized favorable Ni/SBA-15 for superior CO2 conversion.

Item Type: Conference or Workshop Item (Speech)
Uncontrolled Keywords: Ni/SBA-15; Impregnation; CO2 conversion; Dry reforming; Methanation.
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Pn. Hazlinda Abd Rahman
Date Deposited: 21 Sep 2018 01:03
Last Modified: 18 Oct 2018 06:55
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