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Study on the Performance of Modified Banana Leaf Fiber in Removing Oil Spill from Seawater

文献类型： 外文期刊

作者： Ye, Tingting 1 ; Li, Min 2 ; Li, Xiaoxi 1 ; Chen, Tong 1 ; Su, Zengjian 1 ;

作者机构： 1.Hainan Univ, Key Lab Agroforestry Environm Proc & Ecol Regulat, Haikou 570228, Peoples R China

2.CATAS, Environm & Plant Protect Inst, Haikou, Hainan, Peoples R China

关键词： Banana leaf fiber; Modification; Adsorption; Lipophilic; Marine oil spill

期刊名称：WATER AIR AND SOIL POLLUTION （ 影响因子：2.9； 五年影响因子：2.9 ）

ISSN： 0049-6979

年卷期： 2023 年 234 卷 4 期

页码：

收录情况： SCI

摘要： In this study, the hydrophobicity and lipophilicity of banana leaf fibers were modified by in situ synthesis and sol-gel method, and the adsorption properties of the modified fibers were investigated using petroleum as the adsorbate. The surface morphology of modified fibers was characterized by SEM. It was found that the surface formed a rough structure with granular material. At the same time, the hydrophobic and lipophilic properties of the modified fiber had been greatly improved. Firstly, the contact angles between the two modified fibers and water are greater than 110 degrees, which greatly improves the flotation performance of the fibers, making them suitable for treating oil spills on seawater surfaces; secondly, the oil removal rates of the modified fiber in seawater were 98.7% and 94.7% respectively, and kinetic study indicated that the quasi-second-order kinetic model and Langmuir isothermal adsorption model are better consistent with the adsorption of petroleum by modified fiber, which shows that the adsorption is the result of the joint action of physical adsorption and chemical adsorption; in addition, the modified fibers have good reuse characteristics because their properties did not decline significantly after they were reused.

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