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Characterization of membranes with X-ray ultramicroscopy

She, Fenghua, Gao, D., Gao, Weimin, Wu, D. Y., Peng, Zheng, Hoang, M. and Kong, Lingxue 2009, Characterization of membranes with X-ray ultramicroscopy, Desalination, vol. 236, no. 1-3, pp. 179-186.

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Title Characterization of membranes with X-ray ultramicroscopy
Author(s) She, Fenghua
Gao, D.
Gao, Weimin
Wu, D. Y.
Peng, Zheng
Hoang, M.
Kong, Lingxue
Journal name Desalination
Volume number 236
Issue number 1-3
Start page 179
End page 186
Total pages 8
Publisher Elsevier
Place of publication Amsterdam, Netherlands
Publication date 2009-01-31
ISSN 0011-9164
1873-4464
Keyword(s) nanofiltration
porous membranes
pore structure
x-ray ultramicroscope
non-invasive
characterization
3-D reconstruction
Summary Non-invasive characterization and observation of synthetic membranes is an important practice to monitor the performance of membrane process. Primarily there are two techniques—optical and non-optical for this purpose. Among them, X-ray computed tomography, as a non-optical technique, has been extensively used for the measurement of fibre distribution and air pockets trapped in the modules. However, the micro resolution of most commercial systems has limited its application which can hardly be used for the sub-micro characterization of membrane processes. A novel micro and nano characterization method is introduced in the current work by exploring an innovative development of the X-ray ultramicroscope (XuM) and micro-tomographic techniques. The XuM, based on using a scanning electron microscope as host, provides a new approach to X-ray projection microscopy. It has demonstrated the ability to characterize very small features in objects, down to of order 100 nm, including the use for dry, wet and even liquid samples. It can also distinguish objects with very subtle difference in density.
Language eng
Field of Research 090509 Water Resources Engineering
080106 Image Processing
100710 Nanometrology
Socio Economic Objective 870399 Construction Materials Performance and Processes not elsewhere classified
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2009
Copyright notice ©2008, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30021460

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
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Created: Mon, 21 Dec 2009, 14:41:06 EST by Weimin Gao

Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.