Superhydrophilic-underwater superoleophobic ZnO-based coated mesh for highly efficient oil and water separation
Superhydrophilic-underwater superoleophobic ZnO-based coated mesh for highly efficient oil and water separation
复制标题
超亲水-水下超疏油氧化锌基涂层网，可实现高效油水分离
DOI：
10.1016/j.matlet.2015.03.146
复制
发表时间：
2015-08-15
影响因子：
3
通讯作者：
Lei, Ziqiang
中科院分区：
文献类型：
--
作者：
Li, Jian;Yan, Long;Lei, Ziqiang
通过在不锈钢丝网基底上喷涂ZnO纳米颗粒和聚氨酯混合物，制备了协同超疏水-水下超疏油丝网。然后使用涂覆的网来研究一系列油/水混合物的重力驱动的油/水分离，其中只有水渗透通过网，而油在网上被排斥。对煤油-水混合物的分离效率可达99.0%。此外，所制备的涂层网在50次分离循环后仍保持高的分离效率和稳定的可回收性，其中对煤油-水混合物的分离效率始终在97.3%以上。这里提出的制造方法可用于涂覆大的表面积，并开发用于油田应用和石油工业的大型油/水分离设施。(C)2015 Elsevier B. V.版权所有。
Synergistic superhydrophilic-underwater superoleophobic meshes were fabricated by spraying ZnO nanoparticles and polyurethane mixtures on stainless steel mesh substrates. The coated meshes were then used to study gravity-driven oil/water separation for a series of oil/water mixtures, where only the water permeate through the mesh while the oil is repelled on the mesh. Separation efficiency up to 99.0% could be achieved through the coated mesh for the kerosene-water mixture. Moreover, the as-prepared coated mesh still maintained high separation efficiency and stable recyclability after 50 separation cycles with the separation efficiency for the kerosene-water mixture always above 97.3%. The fabrication approach presented here can be applied for coating large surface areas and to develop a large-scale oil/water separation facility for oil-field applications and petroleum industries. (C) 2015 Elsevier B.V. All rights reserved.