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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.1c01985
|2 doi
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|a pubmed24n1109.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Kwon, Gibum
|e verfasserin
|4 aut
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|a Continuous Liquid-Liquid Extraction and in-Situ Membrane Separation of Miscible Liquid Mixtures
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 23.11.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Separation operations are critical across a wide variety of manufacturing industries and account for about one-quarter of all in-plant energy consumption in the United States. Conventional liquid-liquid separation operations require either thermal or chemical treatment, both of which have a large environmental impact and carbon footprint. Consequently, there is a great need to develop sustainable, clean methodologies for separation of miscible liquid mixtures. The greatest opportunities to achieve this lie in replacing high-energy separation operations (e.g., distillation) with low-energy alternatives such as liquid-liquid extraction. One of the primary design challenges in liquid-liquid extraction is to maximize the interfacial area between two immiscible (e.g., polar and nonpolar) liquids for efficient mass transfer. However, this often involves energy-intensive methods including ultrasonication, pumping the feed and the extractant through packed columns with high tortuosity, or using a supercritical fluid as an extractant. Emulsifying the feed and the extractant, especially with a surfactant, offers a large interfacial area, but subsequent separation of emulsions can be energy-intensive and expensive. Thus, emulsions are typically avoided in conventional extraction operations. Herein, we discuss a novel, easily scalable, platform separation methodology termed CLEANS (continuous liquid-liquid extraction and in-situ membrane separation). CLEANS integrates emulsion-enhanced extraction with continuous, gravity-driven, membrane-based separation of emulsions into a single unit operation. Our results demonstrate that the addition of a surfactant and emulsification significantly enhance extraction (by >250% in certain cases), even for systems where the best extractants for miscible liquid mixtures are known. Utilizing the CLEANS methodology, we demonstrate continuous separation of a wide range of miscible liquid mixtures, including soluble organic molecules from oils, alcohols from esters, and even azeotropes
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|a Journal Article
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|a Post, Ethan R
|e verfasserin
|4 aut
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|a Kota, Arun K
|e verfasserin
|4 aut
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|a Li, Chao
|e verfasserin
|4 aut
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| 700 |
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|a Speer, David L
|e verfasserin
|4 aut
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|a Guenthner, Andrew J
|e verfasserin
|4 aut
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|a Reams, Josiah T
|e verfasserin
|4 aut
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|a Lamison, Kevin R
|e verfasserin
|4 aut
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|a Mabry, Joseph M
|e verfasserin
|4 aut
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|a Tuteja, Anish
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 37(2021), 46 vom: 23. Nov., Seite 13595-13601
|w (DE-627)NLM098181009
|x 1520-5827
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|g volume:37
|g year:2021
|g number:46
|g day:23
|g month:11
|g pages:13595-13601
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|u http://dx.doi.org/10.1021/acs.langmuir.1c01985
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