Deep eutectic solvents based on choline chloride and ethylene glycol as media for extractive denitrification/desulfurization/dearomatization of motor fuels

다국어 초록 (Multilingual Abstract)

In an attempt to develop alternative methods that meet the criteria of ‘green’ technology in gasolineproduction, choline chloride and ethylene glycol (ChCl-EG) based deep eutectic solvents (DESs) in molarratios of 1:2, 1:3 and 1:3.5 were tested for desulfurization, denitrification and dearomatization of modeland real gasoline. Using ChCl-EG 1:3.5 denitrification efficiency of 70.9% with respect to pyridine wasachieved in a single extraction stage; efficiency above 99% was obtained in four stages. The DESs wereregenerated by evaporating extracted components between stages, allowing for its multiple use. Theequilibrium phase compositions in model fuel experiments were fairly predicted by UNIQUAC model.
Physical properties of DESs important for application as extraction solvents were determined, too. Theextraction data collected on real fuels shown that only the loose qualitative correlation with the modelfuel experiments can be established.

참고문헌 (Reference)

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