CTAB-Assisted Precipitation Synthesis of Ca(OH)2 Sorbent for CO2 Captures

Farah Diana Mohd Daud; Srimala Sreekantan; Abdul Rahman Mohamed

doi:10.4028/www.scientific.net/MSF.840.416

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HomeMaterials Science ForumMaterials Science Forum Vol. 840CTAB-Assisted Precipitation Synthesis of Ca(OH)2...

CTAB-Assisted Precipitation Synthesis of Ca(OH)₂ Sorbent for CO₂ Captures

Abstract:

Ca (OH)₂ sorbent with novel pods bundle structure were successfully synthesized by precipitation method by using Cetyltrimethylammonium bromide (CTAB) as cationic surfactant. The effects of CTAB on the morphologies of Ca (OH)₂ sorbent were investigated. The results showed that the presence of CTAB could significantly differ the shape and particle size of the Ca (OH)₂ sorbent which synthesized in ethanol media at 35°C for 30 minutes. The XRD pattern indicated that the as-prepared product were well-crystallized hexagonal phase of Ca (OH)₂sorbent. Possible mechanisms for the CTAB assisted particle growth of Ca (OH)₂ sorbent are discussed. The Ca (OH)₂sorbent have been studied by thermal gravimetric analyzer (TGA) at a 650oC carbonation temperature. The morphological changes and particle size of the sorbent have greatly influenced the CO₂ capture performance.

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Periodical:

Materials Science Forum (Volume 840)

Pages:

416-420

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.840.416

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Online since:

January 2016

Authors:

Farah Diana Mohd Daud*, Srimala Sreekantan, Abdul Rahman Mohamed

Keywords:

Calcium Hydroxide, CTAB, Ethanol, Precipitation, Sorbent

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* - Corresponding Author

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