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Short Review on Porous Metal Membranes—Fabrication, Commercial Products, and Applications

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Institute for Sustainable Industries and Liveable Cities, Victoria University, Werribee Campus, P.O. Box 14428, Melbourne, VIC 8001, Australia
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Institute for Frontier Materials, Deakin University, Waurn Ponds, Geelong, VIC 3216, Australia
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Author to whom correspondence should be addressed.
Membranes 2018, 8(3), 83; https://doi.org/10.3390/membranes8030083
Received: 8 August 2018 / Revised: 12 September 2018 / Accepted: 14 September 2018 / Published: 18 September 2018
(This article belongs to the Special Issue Nanostructured Membranes)
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. View Full-Text
Keywords: porous metal membranes; membrane fabrication; water treatment; membrane filtration; membrane bioreactors; photocatalysis; catalysis porous metal membranes; membrane fabrication; water treatment; membrane filtration; membrane bioreactors; photocatalysis; catalysis
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MDPI and ACS Style

Zhu, B.; Duke, M.; Dumée, L.F.; Merenda, A.; Des Ligneris, E.; Kong, L.; Hodgson, P.D.; Gray, S. Short Review on Porous Metal Membranes—Fabrication, Commercial Products, and Applications. Membranes 2018, 8, 83.

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