Contact
    Start Publications Ultrafast nano-structuring of superwetting Ti foam with robust ...
    ←  Publication Finder
    Attension

    Ultrafast nano-structuring of superwetting Ti foam with robust antifouling and stability towards efficient oil-in-water emulsion separation

    Year: 2019

    Journal: Nanoscale, Volume 11, OCT 14, page 17607–17614

    Authors: Yang, Shuai; Yin, Kai; Wu, Junrui; Wu, Zhipeng; Chu, Dongkai; He, Jun; Duan, Ji-An

    Organizations: National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51805553]; National Key R&D Program of China [2017YFB1104801]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2018JJ3666]; Project of State Key Laboratory of High Performance Complex Manufacturing, Central South University [ZZYJKT2019-12]

    Massive discharging of oily wastewater has a serious impact on the ecological environment and human health. However, the rapid development of an efficient separation membrane exhibiting anti-fouling and long-term stability for highly emulsified oily wastewater separation remains a challenge. Herein, a superwettable porous Ti foam was fabricated via a facile and ultrafast strategy of femtosecond laser direct writing. The obtained surface possessed numerous nanoparticle-covered nanoripple structures with intriguing superhydrophilicity and underwater superoleophobicity. Further, the laser-treated foam possessed high porosity and exhibited an excellent performance separating oil-in-water emulsions. A high permeation flux up to similar to 900 L m(-1) h(-1) was achieved, with a separation efficiency of >99% under a negative pressure (-5 kPa). Moreover, the as-prepared foam exhibited outstanding properties of anti-oil fouling and stability, indicating robust reusability for long-term separation application. This work may provide an efficient and low-cost route for overcoming future large-scale oily wastewater separation issues.-
    View publication