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A free-standing superhydrophobic film for highly efficient removal of water from turbine oil
Fan Shu, Meng Wang, Jinbo Pang, Ping Yu
《化学科学与工程前沿(英文)》 2019年 第13卷 第2期 页码 393-399 doi: 10.1007/s11705-018-1754-3
关键词: superhydrophobicity nanoparticles dip coating epoxy emulsion turbine oil
Lijuan Qiu, Ruiyang Zhang, Ying Zhang, Chengjin Li, Qian Zhang, Ying Zhou
《化学科学与工程前沿(英文)》 2018年 第12卷 第3期 页码 390-399 doi: 10.1007/s11705-018-1751-6
Water pollution has become an urgent issue for our modern society, and it is highly desirable to rapidly deal with the water pollution without secondary pollution. In this paper, we have prepared a reduced graphene oxide (RGO) wrapped sponge with superhydrophobicity and mechanically flexibility via a facile low-temperature thermal treatment method under a reducing atmosphere. The skeleton of this sponge is completely covered with RGO layers which are closely linked to the skeleton. This sponge has an abundant pore structure, high selectivity, good recyclability, low cost, and outstanding adsorption capacity for floating oil or heavy oil underwater. In addition, this sponge can maintain excellent adsorption performance for various oils and organic solvents over 50 cycles by squeezing, and exhibits extremely high separation efficiencies, up to 6 × 106 and 3.6 × 106 L·m−3·h−1 in non-turbulent and turbulent water/oil systems, respectively. This superhydrophobic adsorbent with attractive properties may find various applications, especially in large-scale removal of organic contaminants and oil spill cleanup.
关键词: superhydrophobicity mechanically flexibility water/oil separation reduced graphene oxide wrapped sponge
标题 作者 时间 类型 操作
A free-standing superhydrophobic film for highly efficient removal of water from turbine oil
Fan Shu, Meng Wang, Jinbo Pang, Ping Yu
期刊论文