Synthesis of Chitosan-Hydroxyapatite Composite Gel from Waste Crab Shells for Oil Adsorption

Danielle Janiya1, Renee Zoe Lopez1 and Lyca Marie Magtoles1
1Philippine Science High School Western Visayas Campus – Bito-on, Jaro, Iloilo City 5000, Department of Science and Technology, Philippines


Abstract
Composites consisting of oil adsorbing materials such as chitosan and hydroxyapatite has been proven to be a viable oil adsorbent in treating oil spills. As a waste product, crab shells can be utilized as a source of raw materials for an oil adsorbent. In this study, the oil adsorption capacity of synthesized chitosan-hydroxyapatite composite were investigated and compared. Chitosan and hydroxyapatite were simultaneously extracted from crab shells. The extracted samples were then verified using the Fourier Transform Infrared Spectroscopy. 1:1 ratio of chitosan and hydroxyapatite were prepared in a form of a gel composite.

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