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Carbon nanotube membranes for desalination and water purification: Challenges and opportunities

Paper ID Volume ID Publish Year Pages File Format Full-Text
32184 44908 2012 5 PDF Available
Title
Carbon nanotube membranes for desalination and water purification: Challenges and opportunities
Abstract

SummaryThe importance as well as impact of application of carbon nanotube (CNT) membranes in the area of water technology development is tremendous. A substantial amount of work have been carried out with impregnation of CNTs (simply as one of the reinforcements for incorporation of better properties like antibiofouling and/or better strength, etc.) in polymer host matrix. However, the volume of work enabling CNTs as flow channels (in a membranous structure) is not significant and that is where the potential benefits of CNTs lie. Moreover, from impressive works carried out in this direction, it is quite obvious that still significant challenges have to be addressed to align the CNTs, to reinforce it in a suitable host matrix without disturbing the alignment and inhibiting the agglomeration (adoption of suitable nanocomposite fabrication route), to open the tips preferentially and to scale up favorably. It is believed that the innovative attributes put forth by CNTs and the application areas identified with CNTs are getting matured, while the area of development of CNT (based) membranes is far from being matured and it still needs to be looked into in the light of involvement of materials as well as process challenges.

Graphical abstractA schematic of CNT based water filter with aligned CNTs across the cylindrical geometry.Figure optionsDownload full-size imageDownload high-quality image (198 K)Download as PowerPoint slideHighlights► Importance of accessibility to safe drinking water by a common man is highlighted. ► Need for development of newer water technologies involving nanomaterials is emphasized. ► Opportunities and challenges involved in development of CNT based membrane are reported. ► Requirements that a CNT based membrane should fulfill to enable desalination and water purification are proposed.

Keywords
Water; Carbon nanotube membrane; Nanocomposite
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Carbon nanotube membranes for desalination and water purification: Challenges and opportunities
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Publisher
Database: Elsevier - ScienceDirect
Journal: - Volume 7, Issue 5, October 2012, Pages 385–389
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us