Extractive deep desulfurization of diesel using choline chloride-glycerol eutectic-based ionic liquid as a green solvent

Today there are serious regulations to reduce the sulfur content of fuel because the SOx produced during the combustion of fuel containing sulfur species make the air polluted and have dangerous environmental impacts. With the aim to replace the present volatile, flammable and toxic organic solvents...

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Main Authors: Mohd Zaid, H.F., Chong, F.K., Abdul Mutalib, M.I.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.19572 /
Published: Elsevier Ltd 2017
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85003881530&doi=10.1016%2fj.fuel.2016.11.112&partnerID=40&md5=210a698da23f46ea20997d2c6d9987ed
http://eprints.utp.edu.my/19572/
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spelling utp-eprints.195722018-04-20T07:09:17Z Extractive deep desulfurization of diesel using choline chloride-glycerol eutectic-based ionic liquid as a green solvent Mohd Zaid, H.F. Chong, F.K. Abdul Mutalib, M.I. Today there are serious regulations to reduce the sulfur content of fuel because the SOx produced during the combustion of fuel containing sulfur species make the air polluted and have dangerous environmental impacts. With the aim to replace the present volatile, flammable and toxic organic solvents or inefficient, corrosive and expensive ionic liquids (ILs), the choline chloride-glycerol (ChCl-G) eutectic-based ionic liquid (EIL) was introduced as a green, effective, non-toxic, non-corrosive and also recyclable for extractive desulfurization (EDS) of oxidized dibenzothiophene (DBTO2) from model oil in this work for the first time. ChCl-G showed excellent sulfur removal and it showed a high extraction efficiency of 97.06 within 20 min. Using ChCl-G, the DBTO2 concentration was reduced from 100 ppmw to 0 ppmw within two extraction cycles achieving deep desulfurization. Effect of some important parameters including stirring speed, extraction time, ChCl-G:oxidized model oil filtrate volume ratio, multistage extraction and sulfur species (DBTO2 and oxidized 4,6-dimethyldibenzothiophene (4,6-DMDBTO2)) were investigated. It was found that the optimum condition for EDS were stirring speed of 300 rpm, 20 min of extraction time, 1:5 ChCl-G:oxidized model oil filtrate volume ratio and two cycles of extraction. The feasibility of ChCl-G for extraction of different sulfur species was observed in the order of DBTO2 > 4,6-DMDBTO2. The spent ChCl-G was regenerated and showed an extraction efficiency of 88.34 within 3 cycles. The results of the present work hopefully provide useful information for further industrial application of ChCl-G as an efficient green solvent for EDS of diesel fuel. © 2016 Elsevier Ltd Elsevier Ltd 2017 Article PeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85003881530&doi=10.1016%2fj.fuel.2016.11.112&partnerID=40&md5=210a698da23f46ea20997d2c6d9987ed Mohd Zaid, H.F. and Chong, F.K. and Abdul Mutalib, M.I. (2017) Extractive deep desulfurization of diesel using choline chloride-glycerol eutectic-based ionic liquid as a green solvent. Fuel, 192 . pp. 10-17. http://eprints.utp.edu.my/19572/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description Today there are serious regulations to reduce the sulfur content of fuel because the SOx produced during the combustion of fuel containing sulfur species make the air polluted and have dangerous environmental impacts. With the aim to replace the present volatile, flammable and toxic organic solvents or inefficient, corrosive and expensive ionic liquids (ILs), the choline chloride-glycerol (ChCl-G) eutectic-based ionic liquid (EIL) was introduced as a green, effective, non-toxic, non-corrosive and also recyclable for extractive desulfurization (EDS) of oxidized dibenzothiophene (DBTO2) from model oil in this work for the first time. ChCl-G showed excellent sulfur removal and it showed a high extraction efficiency of 97.06 within 20 min. Using ChCl-G, the DBTO2 concentration was reduced from 100 ppmw to 0 ppmw within two extraction cycles achieving deep desulfurization. Effect of some important parameters including stirring speed, extraction time, ChCl-G:oxidized model oil filtrate volume ratio, multistage extraction and sulfur species (DBTO2 and oxidized 4,6-dimethyldibenzothiophene (4,6-DMDBTO2)) were investigated. It was found that the optimum condition for EDS were stirring speed of 300 rpm, 20 min of extraction time, 1:5 ChCl-G:oxidized model oil filtrate volume ratio and two cycles of extraction. The feasibility of ChCl-G for extraction of different sulfur species was observed in the order of DBTO2 > 4,6-DMDBTO2. The spent ChCl-G was regenerated and showed an extraction efficiency of 88.34 within 3 cycles. The results of the present work hopefully provide useful information for further industrial application of ChCl-G as an efficient green solvent for EDS of diesel fuel. © 2016 Elsevier Ltd
format Article
author Mohd Zaid, H.F.
Chong, F.K.
Abdul Mutalib, M.I.
spellingShingle Mohd Zaid, H.F.
Chong, F.K.
Abdul Mutalib, M.I.
Extractive deep desulfurization of diesel using choline chloride-glycerol eutectic-based ionic liquid as a green solvent
author_sort Mohd Zaid, H.F.
title Extractive deep desulfurization of diesel using choline chloride-glycerol eutectic-based ionic liquid as a green solvent
title_short Extractive deep desulfurization of diesel using choline chloride-glycerol eutectic-based ionic liquid as a green solvent
title_full Extractive deep desulfurization of diesel using choline chloride-glycerol eutectic-based ionic liquid as a green solvent
title_fullStr Extractive deep desulfurization of diesel using choline chloride-glycerol eutectic-based ionic liquid as a green solvent
title_full_unstemmed Extractive deep desulfurization of diesel using choline chloride-glycerol eutectic-based ionic liquid as a green solvent
title_sort extractive deep desulfurization of diesel using choline chloride-glycerol eutectic-based ionic liquid as a green solvent
publisher Elsevier Ltd
publishDate 2017
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85003881530&doi=10.1016%2fj.fuel.2016.11.112&partnerID=40&md5=210a698da23f46ea20997d2c6d9987ed
http://eprints.utp.edu.my/19572/
_version_ 1741196228502224896
score 11.62408

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