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Characterizations and Application of Supported Ionic Liquid [bmim][CF3SO3]/SiO2 in CO2 Capture

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Abstract:

Supported ionic liquid (IL) [bmim][CF3SO3] on SiO2 was prepared, characterized and its potential evaluated for CO2 capture via adsorption and desorption studies using gas adsorption analyzer. The physical and chemical properties were determined using N2 adsorption/desorption and CO2-TPD analysis. The increasing IL loading caused a drastic decrease in the surface area as well as pore volume due to the confinement of IL within the micropore and mesopore area. However, the increasing IL loading increased the basicity of the sorbent which significantly enhanced CO2 chemisorption. Supported [bmim][CF3SO3] on SiO2 revealed the physical and chemical adsorption of CO2 and resulted in a remarkable CO2 adsorption capacity at atmospheric pressure and room temperature (66.7 mg CO2/gadsorbent) which has great potential in industrial applications.

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Periodical:

Materials Science Forum (Volume 888)

Pages:

485-490

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.888.485

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Online since:

March 2017

Authors:

Tengku Sharifah Marliza, Mohd Ambar Yarmo*, Azizul Hakim, Maratun Najiha Abu Tahari, Yun Hin Taufiq-Yap

Keywords:

Adsorption, Characterizations, CO2 Capture, Desorption, Ionic Liquid

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© 2017 Trans Tech Publications Ltd. All Rights Reserved

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