Development of a novel hydrophobic and lipophilic material based on mullite fiber-based porous ceramics matrix used for highly efficient oil-water separation
Development of a novel hydrophobic and lipophilic material based on mullite fiber-based porous ceramics matrix used for highly efficient oil-water separation
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开发基于莫来石纤维基多孔陶瓷基体的新型疏水亲油材料，用于高效油水分离
DOI：
10.1016/j.ceramint.2020.12.139
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发表时间：
2020-12
影响因子：
5.2
通讯作者：
Jingkun Yu
中科院分区：
文献类型：
--
作者：
Lei Yuan;Tianpeng Wen;Linyang Jiang;Zhenli Liu;Chen Tian;Jingkun Yu
以莫来石纤维基多孔陶瓷为基体材料，以低表面能的十八胺（ODA）为涂层材料，研究开发一种新型疏水亲脂油水分离材料。采用仿生表面接枝技术对多孔陶瓷进行修饰，形成多层结构，用作超疏水膜。考察了该材料对各种油类的吸油能力、持油能力和可回收性。结果表明，改性ODA涂层使莫来石纤维基多孔陶瓷具有疏水性和亲脂性，并能在短时间内达到良好的油水分离效果。吸油性能受油的种类影响，最大吸附量一般在其自身质量的1倍以上。同时，具有良好的储油能力和可回收性。
The present work focused on developing a novel hydrophobic and lipophilic material for oil-water separation based on mullite fiber-based porous ceramics as the matrix material and octadecylamine (ODA) with low surface energy as the coating material. The bionic surface grafting technology was used to modify the porous ceramics, forming a multi-level structure used as the superhydrophobic membrane. The oil adsorption capacity, oil holding capacity and recyclability of the material for various oils were investigated. It was demonstrated that the modified ODA coating made the mullite fiber-based porous ceramics hydrophobic and lipophilic and could achieve fine effect of oil-water separation in a short time. The oil absorption performance was affected by the types of oil and the maximum adsorption capacity was generally more than 1 time of its own mass. Meanwhile, excellent oil holding capacity and recyclability were observed.
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