Chem. J. Chinese Universities ›› 2019, Vol. 40 ›› Issue (4): 624.doi: 10.7503/cjcu20190025

• Inorganic Chemistry • Previous Articles     Next Articles

MXene-Coated Mesh Membrane with Underwater Superoleophobicity for High-efficiency Oil-water Separation

ZHANG Jianhui1, ZHOU Jinya1, LIN Haibo1,2, LI Zhan2, FANG Qianrong1,2, XUE Ming1,2,*(), QIU Shilun1,2   

  1. 1. Zhuhai College of Jilin University, Zhuhai 519041, China
    2. College of Chemistry, Jilin University, Changchun 130012, China
  • Received:2019-01-14 Online:2019-04-03 Published:2019-04-10
  • Contact: XUE Ming E-mail:xueming@jlu.edu.cn
  • Supported by:
    † Supported by the National Natural Science Foundation of China(Nos.21571076, 21571079) and the Three-level Talent Project of Zhuhai College of Jilin University, China(No.E210804).

Abstract:

Owing to the hydrophilicity and flake-like structure of the two-dimensional(2D) MXene(Ti3C2Tx), the 2D MXene nanosheets were coated onto the stainless steel mesh to fabricate a novel hydrophilic and underwater superoleophobic mesh membrane with a corrugated micro- and nanostructure surface. For a series of oil-water mixtures, the MXene-caoted mesh membrane can achieve gravity-driven high-efficiency oil-water separation with excellent separation efficiency of over 99.99%, residual oil content of less than 4 mg/L in collected water, and water flux up to 57.52 L·m-2·s-1. In addition, MXene-coated mesh membranes display outstanding stability and cycleability.

Key words: 2D nanosheet, MXene-coated mesh membrane, Underwater superoleophobicity, Oil-water separation

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