Dual Anion–Cation Crosslinked Poly(ionic liquid) Composite Membranes for Enhanced CO2 Separation

2020 ◽  
Vol 2 (11) ◽  
pp. 5067-5076
Author(s):  
Irshad Kammakakam ◽  
Jason E. Bara ◽  
Enrique M. Jackson
Keyword(s):  
Ionic Liquid ◽  
Composite Membranes ◽  
Co2 Separation ◽  
Poly Ionic Liquid

scholarly journals Water Vapour Promotes CO2 Transport in Poly(ionic liquid)/Ionic Liquid-Based Thin-Film Composite Membranes Containing Zinc Salt for Flue Gas Treatment

2020 ◽  
Vol 10 (11) ◽  
pp. 3859 ◽  
Author(s):  
Daria Nikolaeva ◽  
Sandrine Loïs ◽  
Paul Inge Dahl ◽  
Marius Sandru ◽  
Jolanta Jaschik ◽  
...  
Keyword(s):  
Thin Film ◽  
Ionic Liquid ◽  
Separation Efficiency ◽  
Composite Membranes ◽  
Zinc Salt ◽  
Co2 Separation ◽  
Mixed Gas ◽  
Film Composite ◽  
Thin Film Composite ◽  
Poly Ionic Liquid

A poly(ionic-liquid) (PIL) matrix can be altered by incorporating additives that will disrupt the polymer chain packing, such as an ionic liquid (IL) and inorganic salts to boost their exploitation as materials for membrane production to be used in CO2 capture. Herein, potential of PIL/IL/salt blends is investigated on the example of poly(diallyldimethyl ammonium) bis(trifluoromethylsulfonyl)imide (P[DADMA][Tf2N]) with N-butyl-N-methyl pyrrolidinium bis(trifluoromethylsulfonyl)imide ([Pyrr14][Tf2N]) and zinc di-bis(trifluoromethylsulfonyl)imide (Zn[Tf2N]2). Composite material with IL and a higher amount of Zn2+ showed an increase in the equilibrium CO2 sorption capacity to 2.77 cm3 (STP)cm −3 bar−1. Prepared blends were successfully processed into thick, dense membranes and thin-film composite membranes. Their CO2 separation efficiency was determined using ideal and mixed-gas feed (vol% CO2 = 50 , dry and with 90% relative humidity). The dominant role of solubility in the transport mechanism is confirmed by combining direct gravimetric sorption measurements and indirect estimations from time-lag experiments. The maximum incorporated amount of Zn2+ salts increased equilibrium solubility selectivity by at least 50% in comparison to the parent PIL. All materials showed increased CO2 permeance values by at least 30% in dry conditions, and 60% in humidified conditions when compared to the parent PIL; the performance of pure PIL remained unchanged upon addition of water vapor to the feed stream. Mixed-gas selectivities for all materials rose by 10% in humidified conditions when compared to dry feed experiments. Our results confirm that the addition of IL improves the performance of PIL-based composites due to lower stiffness of the membrane matrix. The addition of Zn2+-based salt had a marginal effect on CO2 separation efficiency, suggesting that the cation participates in the facilitated transport of CO2.

scholarly journals Towards Biohydrogen Separation Using Poly(Ionic Liquid)/Ionic Liquid Composite Membranes

Membranes ◽  
2018 ◽  
Vol 8 (4) ◽  
pp. 124 ◽  
Author(s):  
Andreia S.L. Gouveia ◽  
Lucas Ventaja ◽  
Liliana C. Tomé ◽  
Isabel M. Marrucho
Keyword(s):  
Ionic Liquid ◽  
High Performance ◽  
Cost Effective ◽  
Clean Energy ◽  
Composite Membranes ◽  
Feed Pressure ◽  
Starting Point ◽  
Poly Ionic Liquid ◽  
Separation Performances ◽  
H2 Selectivity

Considering the high potential of hydrogen (H2) as a clean energy carrier, the implementation of high performance and cost-effective biohydrogen (bioH2) purification techniques is of vital importance, particularly in fuel cell applications. As membrane technology is a potentially energy-saving solution to obtain high-quality biohydrogen, the most promising poly(ionic liquid) (PIL)–ionic liquid (IL) composite membranes that had previously been studied by our group for CO2/N2 separation, containing pyrrolidinium-based PILs with fluorinated or cyano-functionalized anions, were chosen as the starting point to explore the potential of PIL–IL membranes for CO2/H2 separation. The CO2 and H2 permeation properties at the typical conditions of biohydrogen production (T = 308 K and 100 kPa of feed pressure) were measured and discussed. PIL–IL composites prepared with the [C(CN)3]− anion showed higher CO2/H2 selectivity than those containing the [NTf2]− anion. All the membranes revealed CO2/H2 separation performances above the upper bound for this specific separation, highlighting the composite incorporating 60 wt% of [C2mim][C(CN)3] IL.

scholarly journals Towards Biohydrogen Separation Using Poly(ionic liquid)/ionic Liquid Composite Membranes

2018 ◽  
Author(s):  
Andreia S.L. Gouveia ◽  
Lucas Ventaja ◽  
Liliana C. Tome ◽  
Isabel M. Marrucho
Keyword(s):  
Ionic Liquid ◽  
High Performance ◽  
Cost Effective ◽  
Clean Energy ◽  
Composite Membranes ◽  
Feed Pressure ◽  
Starting Point ◽  
Poly Ionic Liquid ◽  
Separation Performances ◽  
Permeation Properties

Considering the high potential of hydrogen (H2) as a clean energy carrier, the implementation of high performance and cost-effective biohydrogen (bioH2) purification techniques is of vital importance, particularly in fuel cell applications. In this context, membrane technology is a potentially energy-saving solution to obtain high-quality biohydrogen. The most promising poly(ionic liquid) (PIL) - ionic liquid (IL) composite membranes previously studied by our group for CO2/N2 separation, containing pyrrolidinium-based PILs with fluorinated or cyano-functionalized anions, were chosen as starting point to explore the potential of PIL–IL membranes for CO2/H2 separation. The CO2 and H2 permeation properties at the typical conditions of biohydrogen production (T =308 K and 100 kPa of feed pressure) were measured and discussed. PIL–IL composites prepared with [C(CN)3]– anion showed higher CO2/H2 selectivities and H2 diffusivities compared to those containing [NTf2]– anion. All the membranes revealed CO2/H2 separation performances above the upper bound for this specific separation, highlighting the composite incorporating 60 wt% of [C2mim][C(CN)3] IL.

scholarly journals Sulfonated Polyimide/Ionic Liquid Composite Membranes for CO2 Separation: Transport Properties in Relation to Their Nanostructures

2018 ◽  
Vol 51 (18) ◽  
pp. 7112-7120 ◽  
Author(s):  
Akika Ito ◽  
Tomohiro Yasuda ◽  
Tetsuro Yoshioka ◽  
Akihiro Yoshida ◽  
Xiang Li ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Transport Properties ◽  
Composite Membranes ◽  
Co2 Separation ◽  
Sulfonated Polyimide

scholarly journals Tailored CO2-Philic Anionic Poly(ionic liquid) Composite Membranes: Synthesis, Characterization, and Gas Transport Properties

2020 ◽  
Vol 8 (15) ◽  
pp. 5954-5965 ◽  
Author(s):  
Irshad Kammakakam ◽  
Jason E. Bara ◽  
Enrique M. Jackson ◽  
Josu Lertxundi ◽  
David Mecerreyes ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Transport Properties ◽  
Gas Transport ◽  
Composite Membranes ◽  
Gas Transport Properties ◽  
Poly Ionic Liquid

Processing of poly(ionic liquid)–ionic liquid membranes using femtosecond (fs) laser radiation: Effect on CO2 separation performance

2021 ◽  
pp. 119903
Author(s):  
Andreia S.L. Gouveia ◽  
Vitor Oliveira ◽  
Ana M. Ferraria ◽  
Ana M.B. DoRego ◽  
Maria João Ferreira ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Laser Radiation ◽  
Radiation Effect ◽  
Co2 Separation ◽  
Separation Performance ◽  
Liquid Membranes ◽  
Fs Laser ◽  
Poly Ionic Liquid

CO2 separation properties of a glassy aromatic polyimide composite membranes containing high-content 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ionic liquid

2013 ◽  
Vol 430 ◽  
pp. 211-222 ◽  
Author(s):  
Shinji Kanehashi ◽  
Masanori Kishida ◽  
Takashi Kidesaki ◽  
Ryohei Shindo ◽  
Shuichi Sato ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Composite Membranes ◽  
Co2 Separation ◽  
Aromatic Polyimide

Gelled Graphene Oxide–Ionic Liquid Composite Membranes with Enriched Ionic Liquid Surfaces for Improved CO2 Separation

2018 ◽  
Vol 10 (8) ◽  
pp. 7389-7400 ◽  
Author(s):  
Winny Fam ◽  
Jaleh Mansouri ◽  
Hongyu Li ◽  
Jingwei Hou ◽  
Vicki Chen
Keyword(s):  
Ionic Liquid ◽  
Graphene Oxide ◽  
Composite Membranes ◽  
Co2 Separation ◽  
Liquid Surfaces

A cationitrile sequence encodes mild poly(ionic liquid) crosslinking for advanced composite membranes

2020 ◽  
Vol 7 (10) ◽  
pp. 2683-2689 ◽  
Author(s):  
Zhiyue Dong ◽  
Chongrui Zhang ◽  
Huawen Peng ◽  
Jiang Gong ◽  
Hong Wang ◽  
...  
Keyword(s):  
Ionic Liquid ◽  
Composite Membranes ◽  
Solar Thermal ◽  
Advanced Composite ◽  
Thermal Desalination ◽  
Nanostructured Membranes ◽  
Poly Ionic Liquid ◽  
Exceptional Stability

A new cation–methylene–nitrile functionality sequence of repeating poly(ionic liquid) units encodes unprecedented polymer crosslinking and nanostructured membranes displaying exceptional stability and solar-thermal desalination performance.

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