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    • ISSN: 2010-0221
    • Frequency: Bimonthly
    • DOI: 10.18178/IJCEA
    • Editor-in-Chief: Prof. Dr. Shen-Ming Chen
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Editor-in-chief
Prof. Dr. Shen-Ming Chen
National Taipei University of Technology, Taiwan
 

IJCEA 2015 Vol.6(6): 395-400 ISSN: 2010-0221
DOI: 10.7763/IJCEA.2015.V6.517

Modification of Porous Materials by Saturated Fatty Amine as CO2 Capturer

Maratun Najiha Abu Tahari, Azizul Hakim, Mohamed Wahab Mohamed Hisham, and Mohd. Ambar Yarmo
Abstract—Silica dioxide (SiO2) and activated carbon (AC) are the common porous materials being used as CO2 capturer. In this work, saturated fatty amine (octadecylamie,ODA) was evaluated as a potential source of basic sites for CO2 capture. Both commercial SiO2 and AC were used as preliminary supports in order to study the effect of loading. The amine-modified samples were characterized using x-ray diffractometer (XRD), attenuated total reflextance/fourier transform infrared spectroscopy (ATR/FTIR), and Brunauer-Emmet-Teller (BET). Reactivity of solid sorbents towards CO2 was evaluated using isothermal CO2 adsorption by BET technique. This study shows that the order of CO2 adsorption capacity by SiO2 type adsorbents are 25 ODA/SiO2 > SiO2 > 15 ODA/SiO2 > 5 ODA/SiO2 whereas AC > 5 ODA/AC > 15 ODA/AC > 25 ODA/AC for AC type adsorbents. However, the promotion of ODA compounds on the AC was not improving the CO2 uptake significantly due to pore blockage and drastic reduction in microporous surface area and pore volume of AC.

Index Terms—Adsorption, amine impregnation, CO2 capture.

The authors are with the School of Chemical Science and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 Bangi, Selangor, Malaysia (e-mail: maratunnajiha@gmail.com, azizulhakim2442@gmail.com, hisham5011@gmail.com, and ambar@ukm.edu.my).

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Cite: Maratun Najiha Abu Tahari, Azizul Hakim, Mohamed Wahab Mohamed Hisham, and Mohd. Ambar Yarmo, "Modification of Porous Materials by Saturated Fatty Amine as CO2 Capturer," International Journal of Chemical Engineering and Applications vol. 6, no. 6, pp. 395-400, 2015.

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