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CO2 Reforming of CH4 Over Ni/SBA-15 Prepared by Surfactant-Assisted Impregnation Method: Comparative Study of Surfactant Types

C. C., Chong and A. H. K., Owgi and N. Aini, Razali and Chin, S. Y. and Setiabudi, H. D. (2017) CO2 Reforming of CH4 Over Ni/SBA-15 Prepared by Surfactant-Assisted Impregnation Method: Comparative Study of Surfactant Types. In: The 3rd International Conference on Green Chemical Engineering and Technology (3rd GCET), 7-8 November 2017 , Melaka, Malaysia. p. 1.. (Unpublished)

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Abstract

This research focused on the influence of surfactant types of surfactant-assisted impregnation method on the properties and catalytic activity of Ni/SBA-15 towards CO2 reforming of CH4(CRM). Three types of surfactant were used which are nonionic surfactant (poly(ethylene glycol)-poly(propylene glycol)-poly(ethylene glycol), P123), cationic surfactant (cethyltrimethylammonium bromide, CTAB) and anionic surfactant (sodium dodecyl sulfate, SDS) to synthesize Ni/SBA-15(P123), Ni/SBA-15(CTAB) and Ni/SBA-15(SDS), respectively. The synthesized catalysts were characterized using X-ray Diffractometer (XRD), Brunauer-Emmett-Teller (BET) and Fourier-Transform Infrared (FTIR) to study the physical and chemical properties of synthesized catalysts. The CRM was carried out in a stainless steel fixed bed reactor at 800°C and CO2/CH4 ratio = 1/1. The obtained results indicated that the types of surfactant greatly influence the properties and catalytic activity of Ni/SBA-15. The activity of catalysts followed the order of SBA-15 < Ni/SBA-15(SDS) < Ni/SBA-15(CTAB) < Ni/SBA-15 < Ni/SBA-15(P123) with the conversion of CH4 and CO2 over Ni/SBA- 15(P123) were about 92% and 82%, respectively and H2/CO ratio of 1.22. The superior catalytic performance of Ni/SBA-15(P123) might be related with the well dispersion of Ni particles which enhanced the stabilization of the active metal sites on SBA-15 and ameliorated the properties of catalyst towards an excellent catalytic performance. This study provides a new perspective on the preparation of Ni/SBA-15, particularly in the influence of surfactant types of surfactant-assisted impregnation method towards an excellent CRM.

Item Type: Conference or Workshop Item (Speech)
Uncontrolled Keywords: Ni/SBA-15; CO2 dry reforming; Surfactant; Ni dispersion
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Chemical & Natural Resources Engineering
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 08 Feb 2018 04:19
Last Modified: 08 Feb 2018 04:19
URI: http://umpir.ump.edu.my/id/eprint/19323
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