Liquid–Liquid Equilibria for Benzene/Thiophene
+ Cyclohexane/Hexadecane + Deep Eutectic Solvents: Data and Correlation
Posted on 2019-08-23 - 13:45
The experimental
liquid–liquid equilibria (LLE) for several
systems containing benzene or thiophene + cyclohexane or hexadecane
+ choline chloride-based deep eutectic solvents (DESs) including mono-,
di-, and triethanolamines and mono-, di-, and triethylene glycols
were measured at T = 298.15 to 308.15 K and atmospheric
pressure. The distribution coefficients (β) and selectivities
(S) were calculated to evaluate the efficiency of
the studied solvents for aromatics (benzene or thiophene) extraction
from nonaromatic phases. Generally, the selectivity values decrease
with increasing of the temperature for our studied DESs. The Othmer–Tobias
equation was used to ensure the consistency of the obtained LLE data.
The nonrandom two-liquid (NRTL) and universal quasi-chemical (UNIQUAC)
models were used to correlate the experimental LLE data. The Hansen
solubility parameters confirm the performance of the studied DESs
for benzene and thiophene extraction. The measured LLE data in this
study shows better performance of aromatics extraction by the studied
DESs from hexadecane-including systems.
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Shekaari, Hemayat; Zafarani-Moattar, Mohammed Taghi; Mohammadi, Behrouz (2019). Liquid–Liquid Equilibria for Benzene/Thiophene
+ Cyclohexane/Hexadecane + Deep Eutectic Solvents: Data and Correlation. ACS Publications. Collection. https://doi.org/10.1021/acs.jced.9b00313
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AUTHORS (3)
HS
Hemayat Shekaari
MZ
Mohammed Taghi Zafarani-Moattar
BM
Behrouz Mohammadi