Extraction of Tetrahydrofuran and Ethylene Dichloride Solvents from Aqueous Solutions by Pervaporation through Thin Film Composite PDMS Membranes

Manjunath, Dasari; Madhumala, M.; Kalyani, Swayampakula; Prasad, R. Hari; Sridhar, S.

doi:10.1080/01496395.2012.710700

Cited by 3 publications

(2 citation statements)

References 39 publications

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“…Pervaporation is a unique procedure that is rarely used as a separation process, but is clearly aligned with distillation [1,2] extraction [3], adsorption [4] and other processes. Hybrid processes for the synthesis of esters by esterification with pervaporation have been investigated [5][6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Polyvinyl alcohol membranes modified by low-hydroxylated fullerenol C60(OH)12

Penkova

Acquah

Sokolova

et al. 2015

Journal of Membrane Science

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Section: Introductionmentioning

confidence: 99%

Polyvinyl alcohol membranes modified by low-hydroxylated fullerenol C60(OH)12

Penkova

Acquah

Sokolova

et al. 2015

Journal of Membrane Science

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“…To date, several types of water–organic mixtures have been tested and can be separated by PV for the purpose of dehydration, e.g., mixtures of water with ethanol, isopropanol, acetone, butanol, acetic acid, N,N-dimethylformamide, N,N-dimethyl sulfoxide, N,N-dimethylacetamide, hydrogen peroxide, ethylene glycol, N-methyl-2-pyrrolidone, and tetrahydrofuran . Moreover, organic–water mixtures that have been separated to isolate the organic component from the water include butanol–water, furfural–water, pyridine–water, and ethylene dichloride–water, whereas among organic–organic mixtures, benzene–cyclohexane, dimethylcarbonate–methanol, methanol–methyl tert -butyl ether, , and acetone–butanol have been tested. Among all the different mixtures studied, two types of membrane materials, in particular, can be used depending on the chemical nature of the compounds to be separated: hydrophilic and hydrophobic polymers (as described in Figure ), whereas inorganic/ceramic materials can be used as well.…”

Section: Introductionmentioning

confidence: 99%

Pervaporation-Assisted Esterification Reactions by Means of Mixed Matrix Membranes

Castro-Muñoz

Iglesia

Fíla

et al. 2018

Ind. Eng. Chem. Res.

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The incorporation of fillers into polymeric membranes, producing mixed matrix membranes (MMMs), is considered a promising way to improve their separation performance. As an alternative method for the dehydration of organics, pervaporation (PV) technology has recently begun to be implemented to assist esterification reactions, in which the water generated is identified as a limitation to further conversion efficiency. In this regard, the present review conveys the evidence from recent literature reports about PVassisted esterification reactions. Therefore, a particular emphasis will be placed on the enhancements provided by MMMs. Moreover, some key principles regarding the selection of fillers suitable for synergistic effects on water removal are mentioned. In addition, generalities of PV, including the theoretical aspects and its role in separation, are discussed. Finally, an outlook on the future directions based on the latest findings on PV-assisted esterification reactions by means of MMMs is provided, as well as a viewpoint concerning the relationship between the "Twelve Principles of Green Chemistry" and PV technology.

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Mixed matrix membranes (MMMs) for ethanol purification through pervaporation: current state of the art

Castro-Muñoz

Galiano

Fíla

et al. 2018

Reviews in Chemical Engineering

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Over the last few decades, different polymers have been employed as materials in membrane preparation for pervaporation (PV) application, which are currently used in the preparation of mixed matrix membranes (MMMs) for ethanol recovery and ethanol dehydration. The ethanol-water and water-ethanol mixtures are, in fact, the most studied PV systems since the bioethanol production is strongly increasing its demand. The present review focuses on the current state of the art and future trends on ethanol purification by using MMMs in PV. A particular emphasis will, therefore, be placed on the enhancement of specific components transport and selectivity through the incorporation of inorganic materials into polymeric membranes, mentioning key principles on suitable filler selection for a synergistic effect toward such separations. In addition, the following topics will be discussed: (i) the generalities of PV, including the theoretical aspects and its role in separation; (ii) a general overview of the methodologies for the preparation of MMMs; and (iii) the most recent findings based on MMMs for both ethanol recovery and ethanol dehydration for better evolution in the field. From the last decade of literature inputs, the poly(vinyl alcohol) has been the most used polymeric matrix targeting ethanol dehydration, while the zeolites have been the most used embedded materials. Today, the latest developments on MMM preparation declare that the future efforts will be directed to the chemical modification of polymeric materials as well as the incorporation of novel fillers or enhancing the existing ones through chemical modification.

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Extraction of Tetrahydrofuran and Ethylene Dichloride Solvents from Aqueous Solutions by Pervaporation through Thin Film Composite PDMS Membranes

Cited by 3 publications

References 39 publications

Polyvinyl alcohol membranes modified by low-hydroxylated fullerenol C60(OH)12

Polyvinyl alcohol membranes modified by low-hydroxylated fullerenol C60(OH)12

Pervaporation-Assisted Esterification Reactions by Means of Mixed Matrix Membranes

Mixed matrix membranes (MMMs) for ethanol purification through pervaporation: current state of the art

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