Carbon nanotube membranes with ultrahigh specific adsorption capacity for water desalination and purification.

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  • Author(s): Yang HY;Yang HY; Han ZJ; Yu SF; Pey KL; Ostrikov K; Karnik R
  • Source:
    Nature communications [Nat Commun] 2013; Vol. 4, pp. 2220.
  • Publication Type:
    Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.
  • Language:
    English
  • Additional Information
    • Source:
      Publisher: Nature Pub. Group Country of Publication: England NLM ID: 101528555 Publication Model: Print Cited Medium: Internet ISSN: 2041-1723 (Electronic) Linking ISSN: 20411723 NLM ISO Abbreviation: Nat Commun Subsets: MEDLINE
    • Publication Information:
      Original Publication: [London] : Nature Pub. Group
    • Subject Terms:
      Adsorption/*physiology ; Membranes/*metabolism ; Nanotubes, Carbon/*chemistry ; Sodium Chloride/*chemistry ; Water Purification/*methods; Drinking Water/chemistry ; Metal Nanoparticles/chemistry ; Salinity ; Salts/chemistry
    • Abstract:
      Development of technologies for water desalination and purification is critical to meet the global challenges of insufficient water supply and inadequate sanitation, especially for point-of-use applications. Conventional desalination methods are energy and operationally intensive, whereas adsorption-based techniques are simple and easy to use for point-of-use water purification, yet their capacity to remove salts is limited. Here we report that plasma-modified ultralong carbon nanotubes exhibit ultrahigh specific adsorption capacity for salt (exceeding 400% by weight) that is two orders of magnitude higher than that found in the current state-of-the-art activated carbon-based water treatment systems. We exploit this adsorption capacity in ultralong carbon nanotube-based membranes that can remove salt, as well as organic and metal contaminants. These ultralong carbon nanotube-based membranes may lead to next-generation rechargeable, point-of-use potable water purification appliances with superior desalination, disinfection and filtration properties.
    • Accession Number:
      0 (Drinking Water)
      0 (Nanotubes, Carbon)
      0 (Salts)
      451W47IQ8X (Sodium Chloride)
    • Publication Date:
      Date Created: 20130815 Date Completed: 20140408 Latest Revision: 20220408
    • Publication Date:
      20221213
    • Accession Number:
      10.1038/ncomms3220
    • Accession Number:
      23941894