School of Materials Science and Engineering, Hebei University of Technology, Tianjin, 300130, P. R. China.
Hebei Key Laboratory of Boron Nitride Micro and Nano Materials, Hebei University of Technology, Tianjin, 300130, P. R. China.
Sci Rep. 2018 Jan 18;8(1):1104. doi: 10.1038/s41598-018-19541-5.
In this paper, a novel three dimensional carbon boron nitride (3D C-BN) was successfully prepared. The obtained material has porous cheese-like structure and pore size ranging from 2 nm to 100 nm. Attractively, the 3D C-BN, which combines the adsorption advantages of BN and carbon together, exhibits excellent adsorption properties for organic dyes, oils and heavy metal ions. The maximum removal capacities of 3D C-BN for methyl blue (MB) and congo red (CR) are 408 mg g and 307 mg g, respectively. Furthermore, 3D C-BN can quickly and efficiently remove oils (salad oil, gasoline and pump oil) and heavy metal ions (Cr, Cd and Ni) from waste water. The macro bulk 3D C-BN, which is more convenient to use than powdered materials, can be reused by burning or heating in air and still maintains high adsorption capacity. Significantly, these superior performances can find practical application in water purification.
本文成功制备了一种新型的三维碳硼氮化物（3D C-BN）。所得到的材料具有多孔奶酪状结构，孔径范围为 2nm 至 100nm。引人注目的是，这种 3D C-BN 结合了 BN 和碳的吸附优势，对有机染料、油和重金属离子表现出优异的吸附性能。3D C-BN 对亚甲基蓝（MB）和刚果红（CR）的最大去除容量分别为 408mg/g 和 307mg/g。此外，3D C-BN 可以快速高效地从废水中去除油（色拉油、汽油和机油）和重金属离子（Cr、Cd 和 Ni）。与粉末材料相比，这种宏观块状的 3D C-BN 更便于使用，可以通过在空气中燃烧或加热来重复使用，并且仍然保持高吸附能力。值得注意的是，这些优异的性能可以在水净化中得到实际应用。
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