Preparation of Bio-filler from Pearl Oyster Shell and its Surface Properties
In the utilization of waste pearl oyster shell, a powder of pearl oyster shell filler (ZZB) was prepared with waste pearl oyster shell via removal of the cuticle, separation of the prismatic layer and grinding of the left nacreous layer as well. Its phase compositions, surface elemental
compositions, micro-morphology, thermal stability, hydrophilicity and lipophilicity were analyzed and charaterized. The results show that the main composition of ZZB powder is aragonite (CaCO3) platelets, and the particle size distribution is from 0.1 μm to 2 μm. The organic
component content of ZZB powder is 3.87% and the powder has a good thermal stability. The ZZB powder has the hydrophilic and lipophilic properties. n-heptane is invasive on ZZB powder and the contact angle of water on ZZB powder is approximately 23.4°.
Keywords: aragonite; bio-filler; calcium carbonate; pearl oyster shell; surface property
Document Type: Research Article
Affiliations: 1: Department of Ocean Science and Engineering, Zhejiang University, Hangzhou 310058, China 2: Materials Science and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
Publication date: 01 November 2012
- Journal of the Chinese Ceramic Society (JCCS), published in Chinese and in English, is a comprehensive monthly periodical focused on the fields of inorganic and non-metallic materials. The main purpose of the JCCS is to report the latest creative achievements in research, production and design for ceramics, glass, cementing materials, refractory, artificial crystals and other non-metallic materials. JCCS is regarded as an important journal in inorganic and non-metallic materials sciences in China and has been awarded by China Association for Science and Technology. The full-text of papers in JCCS is also published by CNKI (China National Knowledge Infrastructure). JCCS is indexed in EI Compendex, CA( Chemical Abstracts) ,SA and Ж and more than 20 databases.
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