油水分离

随着现代工业快速发展, 工业含油污水的排放量剧增, 原油开采及输运过程中泄漏事故的频繁发生, 对生态环境产生严重破坏。众所周知, 油田采出水、钢铁厂冷轧乳化液废水、餐饮含油废水中包含大量难降解的有机物种, 若直接排放将严重破坏水资源、土壤等生态环境, 影响人类健康生活。因此, 面向油水分离的技术成为研究的热点。

本课题组应用金属丝网为支撑体,采用化学氧化、刻蚀法、水热法、电化学沉积、热处理等方法, 获得超亲水/水下超疏油的“除水型”丝网膜,有较高的油水分离效率。

本课题组在该领域发表的论文:

[1] B. Jiang, Z. Chen, H. Dou, Y. Sun, H. Zhang, Z.Q. Gong, and L. Zhang, Superhydrophilic and underwater superoleophobic Ti foam with fluorinated hierarchical flower-like TiO2 nanostructures for effective oil-in-water emulsion separation. Appl. Surf. Sci. 456 (2018) 114-123.

[2]. Hao, L., et al., Nanocomposite Foam Involving Boron Nitride Nanoplatelets and Polycaprolactone: Porous Structures with Multiple Length Scales for Oil Spill Cleanup. Industrial & Engineering Chemistry Research, 2017. 56(49): p. 14670-14677.

[3]. Jiang, B., et al., Novel One-Step, in Situ Thermal Polymerization Fabrication of Robust Superhydrophobic Mesh for Efficient Oil/Water Separation. Industrial & Engineering Chemistry Research, 2017. 56(41): p. 11817-11826.

[4]. Zhang, L., et al., Robust and Durable Superhydrophobic Polyurethane Sponge for Oil/Water Separation. Industrial & Engineering Chemistry Research, 2016. 55(43): p. 11260-11268.