%0 Journal Article
%@ 00219568
%A El Blidi, L.
%A Saleh, J.
%A Ben Ghanem, O.
%A El-Harbawi, M.
%A Lévêque, J.-M.
%A Hadj-Kali, M.K.
%D 2020
%F scholars:13548
%I American Chemical Society
%J Journal of Chemical and Engineering Data
%K Atmospheric pressure; Ethylbenzene; Ionic liquids; Microorganisms; Ternary systems; Toxicity, Anti-microbial activity; Bacterial pathogens; Distribution ratio; Effective concentration; Equilibrium data; Ionic liquid (ils); Liquid-liquid extraction; Nonrandom two-liquid model, Solvent extraction
%N 1
%P 34-42
%R 10.1021/acs.jced.9b00654
%T Synthesis, Characterization, and Antimicrobial Toxicity Study of Dicyanamide-Based Ionic Liquids and Their Application to Liquid-Liquid Extraction
%U https://khub.utp.edu.my/scholars/13548/
%V 65
%X Four different dicyanamide-based ionic liquids (ILs), CnmpyDCA (n = 4, 6, 8, and 10), were synthesized, characterized, and used to separate ethylbenzene from n-octane. Equilibrium data for the corresponding ternary systems were measured at 313.15 K under atmospheric pressure. A higher selectivity is observed for lower aromatic concentrations in the feed (20% max); this is a key factor in selecting a suitable IL. The distribution ratio and selectivity obtained in this work are comparable to those of commercial solvents. The nonrandom two-liquid model (NRTL) was successfully used to correlate the experimental tie-lines and to calculate the phase compositions of the ternary systems. Moreover, the antimicrobial activities of the ILs were evaluated by examining their 50% effective concentrations (EC50) using the standard microbroth dilution test against four human bacterial pathogens. 1-Butyl 3-methylpyridinium dicyanamide C4mpyDCA was found as the most suitable IL among those investigated because of its low toxicity with EC50 values between 41.35 and 58.08 mmol·L-1 and its performance in liquid-liquid extraction for the ethylbenzene/n-octane mixture. Copyright © 2019 American Chemical Society.
%Z cited By 7