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Effect of Particle Size and Chitosan Loading on Post-Combustion Carbon Dioxide Capture of Chitosan-Coated Natural Zeolite Adsorbent

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Abstract:

This study investigated the effect of particle size and chitosan loading on the performance of chitosan-coated natural zeolite adsorbent in post-combustion carbon dioxide capture. The adsorbents were prepared in 3 levels of average particle size (0.75 mm, 1.5 mm and 2 mm) of natural zeolite and 4 levels of chitosan loading (0, 15, 30 and 45 wt% of natural zeolite) using a simple coating procedure. The adsorbents were characterized using infrared spectroscopy, scanning electron microscopy, thermal gravimetric analysis, and differential scanning calorimetry. The capture performance of the adsorbent was measured in terms of breakthrough time. The change in chemical properties, surface morphology and thermal characteristics of natural zeolite confirms the successful coating of chitosan. The mean breakthrough time increases with decreasing particle size and increasing chitosan loading up to 15 wt% of natural zeolite.

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Material Science and Engineering Technology VI View Preview

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Periodical:

Materials Science Forum (Volume 917)

Pages:

185-189

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.917.185

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Online since:

March 2018

Authors:

Dominique Jan Bacalso Tan*, Bryan B. Pajarito

Keywords:

Adsorption, Breakthrough Time, Carbon Dioxide Capture, Chitosan, Natural Zeolite

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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