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Progress and Perspectives on Ceramic Membranes for Solvent Recovery

Center for Nanofibers and Nanotechnology Lab, Mechanical Engineering, National University of Singapore, Blk E3 05-12, 2 Engineering Drive 3, Singapore 117581, Singapore
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Membranes 2019, 9(10), 128; https://doi.org/10.3390/membranes9100128
Received: 6 May 2019 / Revised: 11 September 2019 / Accepted: 23 September 2019 / Published: 4 October 2019
(This article belongs to the Special Issue Catalytic Membranes and Their Applications)
With the increase in demand for commodities in the world, it is advisable to conserve resources. In the case of liquid wastes generated from pharmaceutical and petroleum industries, an unconventional solution is provided for the regeneration of solvents. However, this solvent recovery can be carried out using various efficient methods. Recently, Mixed Matrix Membranes (MMM) obtained by the addition of nanoparticles into a polymer matrix as reinforcements, or using a material with a well-defined inorganic network as a membrane like zeolite, silica based, Zeolite imidazolate frameworks (ZIFs) and Metal organic frameworks (MOFs), were explored for a solvent recovery process. These membranes possess characteristics such as high selectivity, flux and stability at various environmental conditions for the solvent recovery process. In this review, we have covered the polymer, nanocomposites, and ceramic membranes for solvent recovery through the pervaporation and organic solvent nanofiltration processes. The key challenges faced by the materials such as MOFs, zeolite, silica, zeolite and ZIFs when they are fabricated (through in situ synthesis or secondary growth process) as membranes and separation of solvents to explore for the solvent recovery process are reviewed. View Full-Text
Keywords: solvent dehydration; solvent recovery; pervaporation solvent dehydration; solvent recovery; pervaporation
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Ruthusree, S.; Sundarrajan, S.; Ramakrishna, S. Progress and Perspectives on Ceramic Membranes for Solvent Recovery. Membranes 2019, 9, 128.

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