Studies on Adsorption-Desorption of CO2 by Long Chain Fatty Amine Supported on SiO2

Maratun Najiha Abu Tahari; Azizul Hakim; Tengku Sharifah Marliza; Wan Nor Roslam Wan Isahak; Mohamed Wahab Mohamed Hisham; Mohd Ambar Yarmo

doi:10.4028/www.scientific.net/MSF.840.343

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HomeMaterials Science ForumMaterials Science Forum Vol. 840Studies on Adsorption-Desorption of CO2 by Long...

Studies on Adsorption-Desorption of CO₂ by Long Chain Fatty Amine Supported on SiO₂

Abstract:

The capture of carbon dioxide (CO₂) molecules was achieved by utilizing impregnated long chain fatty amine solid sorbents. The long chain fatty amine impregnated on these solid substrates was octadecylamine (ODA) to improve CO₂ adsorption-desorption capacity. The amine-loaded samples were characterized using nitrogen, N₂ adsorption-desorption isotherm of Brunauer-Emmet-Teller (BET) and thermogravimetry analyzer (TGA). The prepared 25 wt % ODA/SiO₂ exhibit acceptable CO₂ capture capacities of 2.45 wt % CO₂/adsorbent at 25 °C by using CO₂ adsorption-desorption isotherm. TG profile shows that the solid sorbents able to adsorb and desorb CO₂ in equivalent amount.

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Periodical:

Materials Science Forum (Volume 840)

Pages:

343-347

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.840.343

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Online since:

January 2016

Authors:

Maratun Najiha Abu Tahari*, Azizul Hakim, Tengku Sharifah Marliza, Wan Nor Roslam Wan Isahak, Mohamed Wahab Mohamed Hisham, Mohd Ambar Yarmo

Keywords:

CO₂Adsorption-Desorption, Impregnation of ODA, Modified SiO₂

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