Study on gas separation by supported liquid membranes applying novel ionic liquids

Cserjési, P.; Nemestóthy, Nándor; Vass, A.; Csanádi, Zs.; Bélafi–Bakó, Katalin

doi:10.1016/j.desal.2009.02.046

Cited by 51 publications

(20 citation statements)

References 13 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…As it was found, the rate of CO 2 permeation was the highest by far resulting in decent CO 2 /H 2 theoretical selectivity [25].…”

Section: 1mentioning

confidence: 65%

“…Cserjé si et al have found that the gas permeation through membranes prepared with VACEM-type ionic liquids was accelerated by temperature increase in a statistically significant manner [25]. In their other study, it was illustrated that increase in temperature resulted in an increment of H 2 permeabilitiy regardless of the IL used.…”

Section: 2mentioning

confidence: 82%

“…The SILMs engineered by Cserjé si et al exhibited decreased permeabilities by 10e15% during ternary H 2 /CO 2 /N 2 gas separation compared to the single gas measurements which was explained by the interactions between the molecules [25].…”

Section: 1mentioning

confidence: 99%

See 2 more Smart Citations

Biohydrogen purification by membranes: An overview on the operational conditions affecting the performance of non-porous, polymeric and ionic liquid based gas separation membranes

Bakonyi

Nemestóthy

Bélafi–Bakó

2013

International Journal of Hydrogen Energy

Self Cite

145

View full text Add to dashboard Cite

Membrane Separation Polymer Ionic liquidIntegrated system a b s t r a c t Many types of membranes are available to enrich hydrogen. Nevertheless, there are some with special potential for biohydrogen purification such as the non-porous, polymeric and ionic liquid based membranes. The attractiveness of these membranes comes from the fact that they can be employed nearly under the conditions where biohydrogen formation taking place. Therefore, they appear as promising candidates to be coupled with hydrogen producing bioreactors and hence giving the chance for in situ biohydrogen concentration.It is known that the feasibility and efficiency of membrane technology e beside material selection and module design e significantly depend on the separation circumstances.Thus, the operation of membranes is a key issue and the most important factors to be considered for gas purification are the composition of gas to be separated, the pressure and temperature applied. The scope of this study is to give a comprehensive overview on the recent applications of non-porous, polymeric and ionic liquid supported membranes for biohydrogen recovery, placing emphasis on the operational conditions affecting membrane's behavior and performance. Furthermore, a novel concept for integrated biohydrogen production and purification using gas separation membranes is demonstrated and discussed.

show abstract

“…As it was found, the rate of CO 2 permeation was the highest by far resulting in decent CO 2 /H 2 theoretical selectivity [25].…”

Section: 1mentioning

confidence: 65%

Section: 2mentioning

confidence: 82%

See 1 more Smart Citation

Biohydrogen purification by membranes: An overview on the operational conditions affecting the performance of non-porous, polymeric and ionic liquid based gas separation membranes

Bakonyi

Nemestóthy

Bélafi–Bakó

2013

International Journal of Hydrogen Energy

Self Cite

145

View full text Add to dashboard Cite

show abstract

“…Cserjesi et al investigated the dependence of temperature and pressure on gas permeation and determined the permeability, selectivity, and stability of SILMs prepared with novel, VACEM-type ionic liquids [72]. Stability studies had a great importance since CO 2 could cause unfavorable changes in the properties of the PVDF membranes [73].…”

Section: Effects Of Temperature and Pressure In Silms Performancementioning

confidence: 99%

A Review on Gas Separation Applications of Supported Ionic Liquid Membranes

2015

View full text Add to dashboard Cite

The selection of the separation process is a critical issue in the chemical industries. Among different conventional methods for the separation processes, supported liquid membrane (SLM)-based separation processes have been predicted as a promising option. However, the industrial use of supported liquid membranes based on conventional liquids is limited by their relative instability and short lifetime. The use of ionic liquids as a liquid membrane phase results in the stabilization of the SLMs due to their negligible vapor pressure, possibility of minimizing their solubility in the surrounding phases and greater capillary force associated with their high viscosity, which can reduce the displacement of liquids from micron pores under pressure. In this review, recent advances in supported membranes based on ionic liquids including issues such as methods of synthesis IL, methods of preparation of supported ionic liquid membranes and application of supported ionic liquid membranes in gas separation are presented.

show abstract

“…[7][8][9][10][11][12] Their unique characteristic for recyclability, thermal stability, nonflammability, high ionic conductivity and negligible vapor pressure still have many potentials in a variety of fields. Very recently we reported on the effective use of IL to facilitated olefin transport membranes by controlling the strength of ionic interaction in polymer/silver salt complexes.…”

Section: Introductionmentioning

confidence: 99%

Effect of 1-butyl-3-methylimidazolium nitrate on separation properties of polymer/AgNO3 membranes for propylene/propane mixtures: Comparison between poly(2-ethyl-2-oxazoline) and poly(ethylene oxide)

2011

View full text Add to dashboard Cite

A previous study showed that ionic liquids enable AgNO 3 , which is not readily reduced to silver nanoparticles in the solid state, to be an active olefin carrier in silver polymer electrolyte membranes. We report the effects of an ionic liquid, i.e. 1-butyl-3-methylimidazolium nitrate (BMIM + NO 3 -), on the separation properties of polymer/AgNO 3 complex membranes for propylene/propane mixtures. Interestingly, the change in membrane separation properties with the ionic liquid concentration was completely different between poly(2-ethyl-2-oxazoline) (POZ) and poly(ethylene oxide) (PEO). In the POZ/AgNO 3 complex membranes, both the selectivity of propylene/propane and the mixed gas permeance increased up to a 0.1 mole ratio of ionic liquid, after which they decreased. The enhancement of the membrane performance results from an increase in the silver ion activity, whereas the decrease was attributed to the barrier effect of large amounts of IL and less effectiveness of IL in controlling the ionic interactions. On the other hand, in the PEO/AgNO 3 membranes, the selectivity increased with increasing ionic liquid, whereas the mixed gas permeance decreased. The increase in selectivity comes from the enhanced silver ion activity, whereas the decrease in permeance was attributed to the decrease in interfacial voids in the membranes.

show abstract

Study on gas separation by supported liquid membranes applying novel ionic liquids

Cited by 51 publications

References 13 publications

Biohydrogen purification by membranes: An overview on the operational conditions affecting the performance of non-porous, polymeric and ionic liquid based gas separation membranes

Biohydrogen purification by membranes: An overview on the operational conditions affecting the performance of non-porous, polymeric and ionic liquid based gas separation membranes

A Review on Gas Separation Applications of Supported Ionic Liquid Membranes

Effect of 1-butyl-3-methylimidazolium nitrate on separation properties of polymer/AgNO3 membranes for propylene/propane mixtures: Comparison between poly(2-ethyl-2-oxazoline) and poly(ethylene oxide)

Contact Info

Product

Resources

About