The separation of oil and water is the key technology to deal with various kinds of industrial waste water and to repair the water pollution;The rapid development of nanotechnology has been playing an important role in various fields ,including energy ,environment and medicine .Making use of the special properties of nano materials and making use of the characteristics of traditional materials ,it is one of the hot spots in the research field of super hydrophobic and super hydrophilic , super hydrophilic and super hydrophobic oil for oil and water separation .This paper reviewed the research progress in the application of nano materials in the separation of oil and water ,mainly introduces several kinds of nano materials of super hydrophobic and super hydrophilic and magnetic main preparation ,the efficiency of oil-water separation,applicable scope etc .This review is expected to provide a technical reference for the development of efficient oil-water separation technology and the design of new separation materials .%油水分离是当前处理处置各类含水工业废油,修复环境水体油液污染的关键技术;而纳米技术的快速发展已经在各个领域,包括能源、环境及医学等领域发挥着巨大的作用.利用纳米材料的特殊性质结合传统材料的特点制作超疏水-超亲油性、超亲水-超疏油材料用于油水分离是目前的研究热点之一,具有广阔的应用前景.综述了近几年来纳米材料在油水分离应用方面的研究进展,主要介绍了超疏水、超亲水、磁性等几种主要的纳米材料的制备,油水分离的效率,适用范围等.综述有望为开发高效的油水分离技术和设计新型分离材料提供技术参考.
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