Separation of Benzene and Cyclohexane Using Eutectic Solvents with Aromatic Structure.

Mohamed K Hadj-Kali, M Zulhaziman M Salleh, Irfan Wazeer, Ahmad Alhadid, Sarwono Mulyono

Abstract read

In one paragraph

Article in Molecules (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

5 authors.

Mohamed K Hadj-KaliChemical Engineering Department, King Saud University, Riyadh 11421, Saudi Arabia.

M Zulhaziman M SallehDepartment of Chemical and Process Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia.ORCID 0000-0001-5026-2525

Irfan WazeerChemical Engineering Department, King Saud University, Riyadh 11421, Saudi Arabia.

Ahmad AlhadidBiothermodynamics, TUM School of Life Sciences, Technical University of Munich, Maximus-von-Imhof-Forum 2, 85354 Freising, Germany.

Sarwono MulyonoChemical Engineering Department, King Saud University, Riyadh 11421, Saudi Arabia.

Funding

Researchers Supporting Project, King Saud University RSP-2021/361

6 · The paper itself

Abstract

The separation of benzene and cyclohexane is a challenging process in the petrochemical industry, mainly because of their close boiling points. Extractive separation of the benzene-cyclohexane mixture has been shown to be feasible, but it is important to find solvents with good extractive performance. In this work, 23 eutectic solvents (ESs) containing aromatic components were screened using the predictive COSMO-RS and their respective performance was compared with other solvents. The screening results were validated with experimental work in which the liquid-liquid equilibria of the three preselected ESs were studied with benzene and cyclohexane at 298.5 K and 101.325 kPa, with benzene concentrations in the feed ranging from 10 to 60 wt%. The performance of the ESs studied was compared with organic solvents, ionic liquids, and other ESs reported in the literature. This work demonstrates the potential for improved extractive separation of the benzene-cyclohexane mixture by using ESs with aromatic moieties.

Indexed as

benzeneCOSMO-RScyclohexaneeutectic solventsionic liquidsLLE

Identifiers

PMID35807287

DOI10.3390/molecules27134041

PMCPMC9268653

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