Yang Guo-Hai, Bao Dan-Dan, Zhang Da-Qing, Wang Cheng, Qu Lu-Lu, Li Hai-Tao
School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou, 221116, China.
Nanoscale Res Lett. 2018 May 10;13(1):146. doi: 10.1186/s11671-018-2555-9.
Recent industrial developments and increased energy demand have resulted in significantly increased levels of environmental pollutants, which have become a serious global problem. Herein, we propose a novel all-carbon nanofiltration (NF) membrane that consists of multi-walled carbon nanotubes (MWCNTs) interposed between graphene oxide (GO) nanosheets to form a three-dimensional (3D) structure. The as-prepared membrane has abundant two-dimensional (2D) nanochannels that can physically sieve antibiotic molecules through electrostatic interaction. As a result, the prepared membrane, with a thickness of 4.26 μm, shows both a high adsorption of 99.23% for tetracycline hydrochloride (TCH) and a high water permeation of 16.12 L m h bar. In addition, the cationic dye methylene blue (MB) was also removed to an extent of 83.88%, indicating broad applications of the prepared membrane.
近期的工业发展和不断增长的能源需求导致环境污染物水平显著上升，这已成为一个严重的全球问题。在此，我们提出了一种新型的全碳纳滤（NF）膜，它由插入氧化石墨烯（GO）纳米片之间的多壁碳纳米管（MWCNT）组成，形成三维（3D）结构。所制备的膜具有丰富的二维（2D）纳米通道，可通过静电相互作用对抗生素分子进行物理筛分。结果，制备的厚度为4.26μm的膜对盐酸四环素（TCH）的吸附率高达99.23%，水渗透率高达16.12 L m h bar。此外，阳离子染料亚甲基蓝（MB）的去除率也达到了83.88%，表明所制备的膜具有广泛的应用前景。
