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Preparation of Calcium Stearate-Coated Kapok Fibers for Oil Sorption
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Preparation of Calcium Stearate-Coated Kapok Fibers for Oil Sorption

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Abstract:

Kapok fiber has been known for its hydrophobic-oleophilic characteristics and exhibits a great potential as oil sorbent. Methods in enhancing its hydrophobicity have been explored to improve its sorption performance in oil-in-water applications. This study investigates the oil sorption performance and hydrophobicity of kapok fibers coated with calcium stearate, a known waterproofing agent. The calcium stearate solution was prepared by mixing known amounts of stearic acid and calcium chloride in an ethanol solution. This was followed by hydrolysis using 0.12 M sodium hydroxide solution. The calcium stearate-coated kapok fibers exhibited higher hydrophobicity compared to raw kapok fibers with a water contact angle of ~137°. It achieved the highest oil sorption capacity and reusability of 50 g/g and 65% for viscous motor oil, respectively.

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Periodical:

Materials Science Forum (Volume 1069)

Pages:

9-15

DOI:

https://doi.org/10.4028/p-0zz5sb

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Online since:

August 2022

Authors:

Aimee Lorraine M. Blaquera*, Marvin U. Herrera, Ronniel D. Manalo, Monet Concepcion Maguyon-Detras, Cybelle Concepcion Futalan, Mary Donnabelle L. Balela

Keywords:

Calcium Stearate, Dip-Coating, Kapok Fiber, Oil Sorption

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© 2022 Trans Tech Publications Ltd. All Rights Reserved

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