Preparation and characterization of cellulose triacetate polymer inclusion membrane blended with acetylated kraft lignin: effect of AKL

Ncib, Sana; Barhoumi, Afef; Bouguerra, Wided; Larchet, C.; Dammak, L.; Hamrouni, Béchir; Elaloui, Elimame

doi:10.5004/dwt.2018.21924

Cited by 7 publications

(4 citation statements)

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“…These results are in good agreement with those reported by Ncib et al. [37] . They found that the addition of D2EHPA as carrier decreased the contact angle of the CTA/AKL composite.…”

Section: Resultssupporting

confidence: 93%

Effect of Plasticizer Type on Polymer Inclusion Membranes Properties and Performance for Zinc Separation

Mahmoud,

Othmen,

Ncib

et al. 2024

ChemistrySelect

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The goal of the present study is to evaluate the effect of plasticizer in PIMs properties and performance for zinc separation. Membranes were prepared by casting a solution containing poly (vinyl chloride) (PVC) as base polymer, di (2‐ethylhexyl) phosphoric acid (D2EHPA) as carrier, and 2‐nitrophenyl octyl ether (NPOE) or tris (2‐butoxyethyl) phosphate (TBEP) as plasticizers. The newly developed PIMs transported practically all ZnII ions from a feed phase at pH 5 to a 1 M H2SO4 stripping phase. The results showed that the transport flux and its efficiency depend on the chemical nature of the plasticizer. It can be perceived that NPOE (with dielectric constant of 23.1) produced the highest transport flux of zinc (J0=1.62±0.05 10−5 mol m−2 s−1). The single ion transport of zinc was significantly higher than the binary and ternary mixtures. In ternary solution, the transport efficiency for metal ions was in the order of ZnII>CuII>NiII. The transport efficiency of the PVC/NPOE/D2EHPA membrane remained constant until the seventh use. The findings of this work will allow the invention of advanced separation technology ensuring the sustainability of metal resources.

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“…These results are in good agreement with those reported by Ncib et al. [37] . They found that the addition of D2EHPA as carrier decreased the contact angle of the CTA/AKL composite.…”

Section: Resultssupporting

confidence: 93%

Effect of Plasticizer Type on Polymer Inclusion Membranes Properties and Performance for Zinc Separation

Mahmoud,

Othmen,

Ncib

et al. 2024

ChemistrySelect

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“…Membrane technologies have become an important alternative to conventional processes employed for wastewater treatment, and separation and recovery of target metals [17,18,19,20,21]. The selective transport of metal ions has been widely studied with supported (SLMs) and polymer inclusion (PIMs) liquid membranes [22,23,24,25,26,27,28,29,30,31,32,33]. Their high selectivity, high diffusion rates, and the possibility to concentrate ions have made them particularly useful [20,34].…”

Section: Introductionmentioning

confidence: 99%

Polymer Inclusion Membranes (PIMs) Doped with Alkylimidazole and their Application in the Separation of Non-Ferrous Metal Ions

Radzyminska-Lenarcik

Ulewicz

2019

Polymers

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The study involved the transport of zinc(II), cadmium(II), and nickel(II) ions from acidic aqueous solutions using polymer inclusion membranes (PIMs). PIMs consisted of cellulose triacetate (CTA) as a support; o-nitrophenyl pentyl ether (o-NPPE) as a plasticizer; and 1-octylimidazole (1), 1-octyl-2-methylimidazole (2), 1-octyl-4-methylimidazole (3), or 1-octyl-2,4-dimethylimidazole (4) as ion carriers. The membranes were characterized by means of atomic force microscopy (AFM) and scanning electron microscopy (SEM). The results show that Zn(II) and Cd(II) are effectively transported across PIMs, while Ni(II) transport is not effective. The rate of transport of metal ions across PIMs is determined by the diffusion rate of the M(II)–carrier complex across the membrane. The best result achieved for Zn(II) removal after 24 h was 95.5% for the ternary Zn(II)–Cd(II)–Ni(II) solution for PIM doped (4). For this membrane, the separation coefficients for Zn(II)/Cd(II), Zn(II)/Ni(II), and Cd(II)/Ni(II) were 2.8, 104.5, and 23.5, respectively. Additionally, the influence of basicity and structure of carrier molecules on transport kinetics was discussed.

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“…After vigorous stirring, the carrier D2EHPA was added, and the solution was stirred for one hour. This solution was then poured into a 8.0 cm diameter Petri dish, and the organic solvent was allowed to evaporate overnight [ 43 ]. The film was then carefully peeled out from the dish ( Figure 9 ).…”

Section: Main Results Obtained During the Period 2012–2022mentioning

confidence: 99%

“…In parallel with the development of membranes and the processes using them, a metrological activity [ 9 , 41 , 42 , 43 , 44 ] for the characterization, diagnosis and autopsy of membranes was developed to accompany this development and try to understand its fundamentals [ 15 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 ]. Also, the scientific activity of modeling material structures [ 57 ] and/or matter transport phenomena through membranes [ 58 , 59 ] has flourished in the last four decades.…”

Section: Introductionmentioning

confidence: 99%

Research on Membranes and Their Associated Processes at the Université Paris-Est Créteil: Progress Report, Perspectives, and National and International Collaborations

et al. 2023

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Research on membranes and their associated processes was initiated in 1970 at the University of Paris XII/IUT de Créteil, which became in 2010 the University Paris-Est Créteil (UPEC). This research initially focused on the development and applications of pervaporation membranes, then concerned the metrology of ion-exchange membranes, then expanded to dialysis processes using these membranes, and recently opened to composite membranes and their applications in production or purification processes. Both experimental and fundamental aspects have been developed in parallel. This evolution has been reinforced by an opening to the French and European industries, and to the international scene, especially to the Krasnodar Membrane Institute (Kuban State University—Russia) and to the Department of Chemistry, (Qassim University—Saudi Arabia). Here, we first presented the history of this research activity, then developed the main research axes carried out at UPEC over the 2012–2022 period; then, we gave the main results obtained, and finally, showed the cross contribution of the developed collaborations. We avoided a chronological presentation of these activities and grouped them by theme: composite membranes and ion-exchange membranes. For composite membranes, we have detailed three applications: highly selective lithium-ion extraction, bleach production, and water and industrial effluent treatments. For ion-exchange membranes, we focused on their characterization methods, their use in Neutralization Dialysis for brackish water demineralization, and their fouling and antifouling processes. It appears that the research activities on membranes within UPEC are very dynamic and fruitful, and benefit from scientific exchanges with our Russian partners, which contributed to the development of strong membrane activity on water treatment within Qassim University. Finally, four main perspectives of this research activity were given: the design of autonomous and energy self-sufficient processes, refinement of characterization by Electrochemical Scanning Microscopy, functional membrane separators, and green membrane preparation and use.

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Preparation and characterization of cellulose triacetate polymer inclusion membrane blended with acetylated kraft lignin: effect of AKL

Cited by 7 publications

References 0 publications

Effect of Plasticizer Type on Polymer Inclusion Membranes Properties and Performance for Zinc Separation

Effect of Plasticizer Type on Polymer Inclusion Membranes Properties and Performance for Zinc Separation

Polymer Inclusion Membranes (PIMs) Doped with Alkylimidazole and their Application in the Separation of Non-Ferrous Metal Ions

Research on Membranes and Their Associated Processes at the Université Paris-Est Créteil: Progress Report, Perspectives, and National and International Collaborations

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