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首页> 外文OA文献 >Preparation of a new superhydrophobic/superoleophilic corn straw fiber used as an oil absorbent for selective absorption of oil from water
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Preparation of a new superhydrophobic/superoleophilic corn straw fiber used as an oil absorbent for selective absorption of oil from water

机译：用作吸油剂的新型超疏水/超级玉米秸秆纤维的制备，用于从水中选择性吸收油

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Abstract Background Oil leakages frequently occur during oil product development and oil transportation. These incidents are a vital factor in water contamination, thus leading to serious environmental destruction. Therefore, superhydrophobic/superoleophilic material is one of the solutions to treat oily wastewater. Results This study aimed to develop a simple, fast and low-cost method to treat oily wastewater by synthesizing a new superhydrophobic/superoleophilic corn straw fiber via conventional impregnation. The corresponding results illustrate that abundant homogeneous silica (SiO2) granules evenly accreted on the surface of the prepared fiber were conducive to high surface roughness. Meanwhile, (Heptadecafluoro-1,1,2,2-tetradecyl) trimethoxysilane, a sort of silane coupling agent, could greatly reduce surface free energy by grafting with SiO2 particles on the corn straw fiber surface. The obtained superhydrophobic/superoleophilic corn straw fiber exhibited a water contact angle of 152° and an oil contact angle of 0° for various oils, strongly demonstrating its considerable application as an oil absorbent that can be applied for oil cleanup. In addition, the prepared fiber displayed a great chemical stability and environmental durability. Conclusions Due to its high absorption capacity and absorption efficiency, the prepared fiber has great potential as a new oil absorbent for treatment of oily water.
机译：摘要在石油产品开发和石油运输过程中经常出现摘要背景油泄漏。这些事件是水污染的重要因素，从而导致严重的环境破坏。因此，超疏水/超级体材料是治疗油性废水的溶液之一。结果本研究旨在通过常规浸渍合成新的超疏水/超级玉米秸秆纤维来制定简单，快速和低成本的方法来治疗油性废水。相应的结果说明，在制备纤维表面上均匀地增压的丰富的均匀二氧化硅（SiO 2）颗粒有利于高表面粗糙度。同时，（庚二氟-1,1,2,2-四癸基）三甲氧基硅烷，一种硅烷偶联剂，可以通过玉米秸秆纤维表面上的SiO 2颗粒接枝来大大减少表面自由能。所获得的超疏水/超级玉米秸秆纤维显示出152°的水接触角和各种油的0°的油接触角，强烈展示其可用于油清理的吸油剂的可相当大的应用。此外，制备的纤维显示出良好的化学稳定性和环境耐久性。结论由于其高吸收能力和吸收效率，所制备的纤维具有巨大的潜力作为一种用于治疗油性水的新型吸油液。

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