A new class of cationic surfactants inspired by N-alkyl-N-methyl pyrrolidinium ionic liquids

The Analyst ◽  
2004 ◽  
Vol 129 (10) ◽  
pp. 890 ◽  
Author(s):  
Gary A. Baker ◽  
Siddharth Pandey ◽  
Shubha Pandey ◽  
Sheila N. Baker
Keyword(s):  
Ionic Liquids ◽  
Cationic Surfactants ◽  
New Class

scholarly journals Liquid-Liquid Extraction in Systems Containing Butanol and Ionic Liquids – A Review

2017 ◽  
Vol 38 (1) ◽  
pp. 97-110 ◽  
Author(s):  
Artur Kubiczek ◽  
Władysław Kamiński
Keyword(s):  
Ionic Liquids ◽  
Room Temperature ◽  
Liquid Extraction ◽  
Butanol Production ◽  
Model Liquid ◽  
New Class ◽  
Liquid Liquid Extraction ◽  
Liquid Systems ◽  
Nrtl Equation ◽  
Equilibrium Data

AbstractRoom-temperature ionic liquids (RTILs) are a moderately new class of liquid substances that are characterized by a great variety of possible anion-cation combinations giving each of them different properties. For this reason, they have been termed as designer solvents and, as such, they are particularly promising for liquid-liquid extraction, which has been quite intensely studied over the last decade. This paper concentrates on the recent liquid-liquid extraction studies involving ionic liquids, yet focusing strictly on the separation of n-butanol from model aqueous solutions. Such research is undertaken mainly with the intention of facilitating biological butanol production, which is usually carried out through the ABE fermentation process. So far, various sorts of RTILs have been tested for this purpose while mostly ternary liquid-liquid systems have been investigated. The industrial design of liquid-liquid extraction requires prior knowledge of the state of thermodynamic equilibrium and its relation to the process parameters. Such knowledge can be obtained by performing a series of extraction experiments and employing a certain mathematical model to approximate the equilibrium. There are at least a few models available but this paper concentrates primarily on the NRTL equation, which has proven to be one of the most accurate tools for correlating experimental equilibrium data. Thus, all the presented studies have been selected based on the accepted modeling method. The reader is also shown how the NRTL equation can be used to model liquid-liquid systems containing more than three components as it has been the authors’ recent area of expertise.

scholarly journals Extractive Deep Desulfurization of Liquid Fuels Using Lewis-Based Ionic Liquids

2013 ◽  
Vol 2013 ◽  
pp. 1-4 ◽  
Author(s):  
Swapnil A. Dharaskar ◽  
Kailas L. Wasewar ◽  
Mahesh N. Varma ◽  
Diwakar Z. Shende
Keyword(s):  
Ionic Liquids ◽  
Liquid Fuel ◽  
Extraction Process ◽  
Operating Conditions ◽  
Liquid Fuels ◽  
Green Solvents ◽  
Model Liquid ◽  
New Class ◽  
Deep Desulfurization ◽  
Desulfurization Efficiency

A new class of green solvents, known as ionic liquids (ILs), has recently been the subject of intensive research on the extractive desulfurization of liquid fuels because of the limitation of traditional hydrodesulfurization method. In present work, eleven Lewis acid ionic liquids were synthesized and employed as promising extractants for deep desulfurization of the liquid fuel containing dibenzothiophene (DBT) to test the desulfurization efficiency. [Bmim]Cl/FeCl3was the most promising ionic liquid and performed the best among studied ionic liquids under the same operating conditions. It can remove dibenzothiophene from the model liquid fuel in the single-stage extraction process with the maximum desulfurization efficiency of 75.6%. It was also found that [Bmim]Cl/FeCl3may be reused without regeneration with considerable extraction efficiency of 47.3%. Huge saving on energy can be achieved if we make use of this ionic liquids behavior in process design, instead of regenerating ionic liquids after every time of extraction.

Water in Protic Ionic Liquids: Properties and Use of a New Class of Electrolytes for Energy‐Storage Devices

ChemSusChem ◽  
2019 ◽  
Vol 12 (16) ◽  
pp. 3827-3836 ◽  
Author(s):  
Timo Stettner ◽  
Sascha Gehrke ◽  
Promit Ray ◽  
Barbara Kirchner ◽  
Andrea Balducci
Keyword(s):  
Ionic Liquids ◽  
Energy Storage ◽  
Protic Ionic Liquids ◽  
Energy Storage Devices ◽  
Storage Devices ◽  
New Class

scholarly journals Mechanisms of action of ionic liquids on living cells: the state of the art

2020 ◽  
Vol 12 (5) ◽  
pp. 1187-1215 ◽  
Author(s):  
Pallavi Kumari ◽  
Visakh V.S. Pillai ◽  
Antonio Benedetto
Keyword(s):  
Ionic Liquids ◽  
Cell Membrane ◽  
State Of The Art ◽  
Industrial Applications ◽  
Mechanisms Of Action ◽  
The State ◽  
New Class ◽  
Interdisciplinary Field ◽  
Micro Organisms ◽  
Enzyme Functions

Abstract Ionic liquids (ILs) are a relatively new class of organic electrolytes composed of an organic cation and either an organic or inorganic anion, whose melting temperature falls around room-temperature. In the last 20 years, the toxicity of ILs towards cells and micro-organisms has been heavily investigated with the main aim to assess the risks associated with their potential use in (industrial) applications, and to develop strategies to design greener ILs. Toxicity, however, is synonym with affinity, and this has stimulated, in turn, a series of biophysical and chemical-physical investigations as well as few biochemical studies focused on the mechanisms of action (MoAs) of ILs, key step in the development of applications in bio-nanomedicine and bio-nanotechnology. This review has the intent to present an overview of the state of the art of the MoAs of ILs, which have been the focus of a limited number of studies but still sufficient enough to provide a first glimpse on the subject. The overall picture that emerges is quite intriguing and shows that ILs interact with cells in a variety of different mechanisms, including alteration of lipid distribution and cell membrane viscoelasticity, disruption of cell and nuclear membranes, mitochondrial permeabilization and dysfunction, generation of reactive oxygen species, chloroplast damage (in plants), alteration of transmembrane and cytoplasmatic proteins/enzyme functions, alteration of signaling pathways, and DNA fragmentation. Together with our earlier review work on the biophysics and chemical-physics of IL-cell membrane interactions (Biophys. Rev. 9:309, 2017), we hope that the present review, focused instead on the biochemical aspects, will stimulate a series of new investigations and discoveries in the still new and interdisciplinary field of “ILs, biomolecules, and cells.”

A New Class of Hydrophobic Ionic Liquids: Trialkyl(2-methoxyethyl)ammonium Perfluoroethyltrifluoroborate

2004 ◽  
Vol 33 (7) ◽  
pp. 886-887 ◽  
Author(s):  
Zhi-Bin Zhou ◽  
Hajime Matsumoto ◽  
Kuniaki Tatsumi
Keyword(s):  
Ionic Liquids ◽  
New Class ◽  
Hydrophobic Ionic Liquids

A New Class of Ionic Liquids: Anion Amphiprotic Ionic Liquids

2012 ◽  
Vol 3 (16) ◽  
pp. 2114-2119 ◽  
Author(s):  
Marcel Treskow ◽  
Jagath Pitawala ◽  
Sven Arenz ◽  
Aleksandar Matic ◽  
Patrik Johansson
Keyword(s):  
Ionic Liquids ◽  
New Class
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