Supported Liquid Membranes and Their Modifications

Dżygiel, Paweł; Wieczorek, Piotr

doi:10.1016/b978-0-444-53218-3.00003-9

Cited by 34 publications

(21 citation statements)

References 210 publications

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“…The liquid membrane became unstable and was unable to be retained within the membrane pores, thus, the solute was unable to be transferred through the membrane support efficiently. 12 …”

Section: Resultsmentioning

confidence: 99%

“… 37 As a result, the liquid membrane forced out from the membrane phase and progressive wetting of the membrane pores by aqueous solution take placed. 12 …”

Section: Resultsmentioning

confidence: 99%

“…For an efficient immersion of the organic liquid membrane phase inside the support, the microporous polymeric membrane with small pore size, high porosity, high tensile strength, high hydrophobicity and highly resistant to chemical should be used. 11,12 Membrane support with high hydrophobicity is required to retain and keep an organic liquid membrane phase stable within the membrane pores by capillary action force. 11 Hence, a development of microporous membrane support with suitable characteristic is critical in order to achieve excellent separation efficiency using SLM process.…”

Section: Introductionmentioning

confidence: 99%

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Effect of VIPS fabrication parameters on the removal of acetic acid by supported liquid membrane using a PES–graphene membrane support

et al. 2018

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In this study, the removal of acetic acid by supported liquid membrane (SLM) using hybrid polyethersulfone (PES)-graphene membrane prepared by vapor induced phase separation (VIPS) was investigated. The effects of graphene loading, coagulation bath temperature, air exposure time, and air humidity on the morphology, mechanical strength, porosity, and contact angle of the membrane were analyzed. The performance and stability of the hybrid membrane as a SLM support for acetic acid removal were studied. The best PES-graphene membrane support was produced at a coagulation bath temperature of 50 C, an air exposure time of 30 s and air humidity of 80%. The fabricated membrane has a symmetrical micropore cellular structure, high porosity and high contact angle. Under specific SLM conditions, almost 95% of acetic acid was successfully removed from 10 g L À1 aqueous acetic acid solution. The hybrid membrane remains stable for more than 116 h without suffering any membrane breakage during the continuous SLM process.

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“…The liquid membrane became unstable and was unable to be retained within the membrane pores, thus, the solute was unable to be transferred through the membrane support efficiently. 12 …”

Section: Resultsmentioning

confidence: 99%

“… 37 As a result, the liquid membrane forced out from the membrane phase and progressive wetting of the membrane pores by aqueous solution take placed. 12 …”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Effect of VIPS fabrication parameters on the removal of acetic acid by supported liquid membrane using a PES–graphene membrane support

et al. 2018

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“…The separation performance of SLM process is highly depends on the morphological features of the membrane support such as membrane structure, pore size and chemical nature of the polymeric membrane [18]. The good criteria of the membrane support used in SLM process must have several characteristics such as high hydrophobicity, high porosity, acceptable pore size and proper tortuosity [19]. These physical characteristics have greatly influenced the physical stability of membrane support, rate of the mass transfer through the liquid membrane and performance of the separation process.…”

Section: Pes Membrane Supportmentioning

confidence: 99%

Extraction of Glucose by Supported Liquid Membrane using Polyethersulfone Flat Sheet Membrane Support

Teng

Harruddin

Saufi

2017

AMST

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Sugar is released during biomass hydrolysis together with unwanted inhibitory compounds such as acetic acid, furfural and hydromethylfurfural. The extraction of particular sugar prior to fermentation process is needed in order to increase the yield of biofuel generated from biomass resources. In the current study, glucose was extracted from the aqueous solution using supported liquid membrane (SLM) system. Polyethersulfone (PES) flat sheet membrane support was fabricated using 15 wt.% PES, 42.5 wt.% DMAc and 42.5 wt.% PEG 200. Liquid membrane was formulated using 2-ethyl hexanol and methyl cholate as solvent and carrier, respectively. The effect of several parameters involved in SLM system such as type of diluent and flowrate of feed and stripping phase on the extraction performance of glucose were studied. About 52.77% of glucose was successfully extracted from aqueous solution using SLM system with 0.01M of methyl cholate in 2-ethyl hexanol. Using simulated biomass hydrolysate solution, almost 54.55% of glucose and 51.08% of xylose were successfully extracted using the SLM system.

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“…In recent years, various membrane processes have been reported for various applications [27][28][29] (such as removal, purification, recovery, and extraction of organic compounds present in liquid wastewater). Membrane-based technology has become immensely important and has attracted much attention as a valuable technology for many industries.…”

Section: Introductionmentioning

confidence: 99%

Kinetic Control Concept for the Diffusion Processes of Paracetamol Active Molecules Across Affinity Polymer Membranes

Tarhouchi¹,

Louafy²,

Atmani³

et al. 2021

Preprint

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Background: Paracetamol compound remains the most used pharmaceutical as an analgesic and antipyretic for pain and fever. It has been detected in aquatic environments. The recovery of this compound from wastewater is one of the important operations carried out by modern industries. Its recovery is especially important for environmental protection. Currently, research is focused on membrane technology that has gained considerable interest over the last decades due to the various advantages that it presents.Result: Our work reports the selective extraction of paracetamol from liquid solution using two types of affinity polymer membranes: (i) polymer inclusion membrane (PIM) and (ii) grafted polymer membrane (GPM). The same extractive agent, gluconic acid (GA), is used for both. After total characterization, the developed membranes were adopted. Kinetic and thermodynamic models have been used to determine the values of various macroscopic parameters, permeability (P), and initial flux (J0), to understand the membrane performance. The same techniques have been used to determine the values of different microscopic parameters, association constant (Kass), and apparent diffusion coefficient (D*) that determine the interaction between the paracetamol substrates and the extractive agent, necessary for the diffusion of paracetamol molecules through the membrane. Similarly, the effects of initial concentration (C0), acidity (pH), and temperature were examined.Conclusion: The experimental results allow the determination of values of activation and thermodynamic parameters (Ea, ΔH#, ΔS#, ΔH#dis, and ΔH#th). The results explain the membrane performances and confirm that the energetic or kinetic aspects control the mechanisms related to the oriented processes. The results also indicate that it is possible to recycle wastewater and eliminate contaminants such as paracetamol.

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Supported Liquid Membranes and Their Modifications

Cited by 34 publications

References 210 publications

Effect of VIPS fabrication parameters on the removal of acetic acid by supported liquid membrane using a PES–graphene membrane support

Effect of VIPS fabrication parameters on the removal of acetic acid by supported liquid membrane using a PES–graphene membrane support

Extraction of Glucose by Supported Liquid Membrane using Polyethersulfone Flat Sheet Membrane Support

Kinetic Control Concept for the Diffusion Processes of Paracetamol Active Molecules Across Affinity Polymer Membranes

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