Short review on porous metal membranes—Fabrication, commercial products, and applications

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Zhu, Bo ORCID: 0000-0001-7600-4583, Duke, Mikel ORCID: 0000-0002-3383-0006, Dumée, LF, Merenda, A, des Ligneris, E, Kong, L, Hodgson, PD and Gray, Stephen ORCID: 0000-0002-8748-2748 (2018) Short review on porous metal membranes—Fabrication, commercial products, and applications. Membranes, 8 (3). ISSN 2077-0375

Abstract

© 2018 by the authors. Licensee MDPI, Basel, Switzerland. Porous metal membranes have recently received increasing attention, and significant progress has been made in their preparation and characterisation. This progress has stimulated research in their applications in a number of key industries including wastewater treatment, dairy processing, wineries, and biofuel purification. This review examines recent significant progress in porous metal membranes including novel fabrication concepts and applications that have been reported in open literature or obtained in our laboratories. The advantages and disadvantages of the different membrane fabrication methods were presented in light of improving the properties of current membrane materials for targeted applications. Sintering of particles is one of the main approaches that has been used for the fabrication of commercial porous metal membranes, and it has great advantages for the fabrication of hollow fibre metal membranes. However, sintering processes usually result in large pores (e.g., >1 µm). So far, porous metal membranes have been mainly used for the filtration of liquids to remove the solid particles. For porous metal membranes to be more widely used across a number of separation applications, particularly for water applications, further work needs to focus on the development of smaller pore (e.g., sub-micron) metal membranes and the significant reduction of capital and maintenance costs.

Additional Information

in Special issue: Nanostructured Membranes

Item type Article
URI http://vuir.vu.edu.au/id/eprint/37373
Identification Number https://doi.org/10.3390/membranes8030083
Official URL https://www.mdpi.com/2077-0375/8/3/83/htm
Subjects Current > FOR Classification > 0904 Chemical Engineering
Historical > Faculty/School/Research Centre/Department > Institute for Sustainability and Innovation (ISI)
Keywords porous metal membranes; membrane fabrication; water treatment; membrane filtration
Citations in Scopus 15 - View on Scopus
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