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Title: Progress on silica pervaporation membranes in solvent dehydration and solvent recovery processes
Authors: Rajawat, A.
Subramanian, Sundarrajan 
Ramakrishna, S. 
Keywords: Inorganic
Silica membrane
Solvent dehydration
Solvent recovery
Issue Date: 2020
Publisher: MDPI AG
Citation: Rajawat, A., Subramanian, Sundarrajan, Ramakrishna, S. (2020). Progress on silica pervaporation membranes in solvent dehydration and solvent recovery processes. Materials 13 (15) : 3354. ScholarBank@NUS Repository.
Rights: Attribution 4.0 International
Abstract: Separation processes aimed at recovering the solvent from effluent streams offer a means for establishing a circular economy. Conventional technologies such as distillation are energy-intensive, inefficient and suffer from high operating and maintenance costs. Pervaporation based membrane separation overcomes these challenges and in conjunction with the utilization of inorganic membranes derived from non-toxic, sufficiently abundant and hence expendable, silica, allows for high operating temperatures and enhanced chemical and structural integrity. Membrane-based separation is predicted to dominate the industry in the coming decades, as the process is being understood at a deeper level, leading to the fabrication of tailored membranes for niche applications. The current review aims to compile and present the extensive and often dispersive scientific investigations to the reader and highlight the current scenario as well as the limitations suffered by this mature field. In addition, viable alternative to the conventional methodologies, as well as other rival materials in existence to achieve membrane-based pervaporation are highlighted. © 2020 by the authors.
Source Title: Materials
ISSN: 19961944
DOI: 10.3390/ma13153354
Rights: Attribution 4.0 International
Appears in Collections:Staff Publications

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