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Title: Removal of natural organic matter in water using functionalised carbon nanotube buckypaper
Authors: Yang, XS
Lee, J
Yuan, LX
Chae, SR
Peterson, VK
Minett, AI
Yin, YB
Harris, AT
Keywords: Membranes
Carbon nanotubes
Humic acids
Issue Date: 1-Aug-2013
Publisher: Elsevier
Citation: Yang, X. S., Lee, J., Yuan, L. X., Chae, S. R., Peterson, V. K., Minett, A. I., Yin, Y. B., & Harris, A. T. (2013). Removal of natural organic matter in water using functionalised carbon nanotube buckypaper. Carbon, 59, 160-166.
Abstract: A simple, surfactant-free assembly process was used to prepare multi-wall carbon nanotube (CNT) buckypapers using a highly efficient purification, sonication, and filtration process. To achieve effective dispersion of CNT into ethanol, a minimum 5-min sonication time was required. Here, we fabricated a buckypaper with pore size of 41 +/- 10 nm and porosity of 72.9% with a 10-min sonication. The as-prepared buckypaper was used as a membrane for humic acid (HA) removal from water. During purification process, carboxylic and hydroxylic functional groups were introduced onto the CNT surface. The functional groups increased the hydrophilicity of the CNTs and improved the removal efficiency of HA by the buckypaper. The buckypaper prepared from purified CNTs exhibited excellent removal of HA (>93%) and a long lifetime for filtration. © 2013 Elsevier Ltd.
Gov't Doc #: 5074
ISSN: 0008-6223
Appears in Collections:Journal Articles

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