Liquid-Liquid extraction of aromatics and sulfur compounds from base oil using ionic liquids

The viability of using ionic liquids (ILs) as extractive solvents to remove naphthalene (aromatics) and dibenzothiophene (DBT; Sulfur) from base oil by liquid-liquid extraction was investigated. The experiments were designed using Response Surface Methodology (RSM) with 1-butyl-3-methylpyridinium di...

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Main Authors: Al Kaisy, G.M.J., Abdul Mutalib, M.I., Bustam, M.A., Leveque, J.-M., Muhammad, N.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.30559 /
Published: Elsevier Ltd 2016
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85006025183&doi=10.1016%2fj.jece.2016.11.011&partnerID=40&md5=e037fdd9fa1fc1bd8bea8abec93a65ed
http://eprints.utp.edu.my/30559/
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spelling utp-eprints.305592022-03-25T07:10:57Z Liquid-Liquid extraction of aromatics and sulfur compounds from base oil using ionic liquids Al Kaisy, G.M.J. Abdul Mutalib, M.I. Bustam, M.A. Leveque, J.-M. Muhammad, N. The viability of using ionic liquids (ILs) as extractive solvents to remove naphthalene (aromatics) and dibenzothiophene (DBT; Sulfur) from base oil by liquid-liquid extraction was investigated. The experiments were designed using Response Surface Methodology (RSM) with 1-butyl-3-methylpyridinium dicyanamide BMPYDCA, 1-butyl-3-methylimidazolium dicyanamide BMIMDCA, 1-butyl-3-methylimidazolium thiocyanate BMIMSCN and 1-butyl-3-methylimidazolium dimethylphosphate BMIMDMP ILs. The sulfur compound and aromatics were analyzed using Total Sulphur analyzer and High Performance Liquid Chromatography (HPLC) with high coefficient of determination i.e. R2 values of 0.964 and 0.997 respectively. The effects of different ILs, temperatures, and ILs to oil mass ratio (IL:Oil) were optimized.BMPYDCA appeared as the most promising medium with 94.3% of dibenzothiophene and 83.1% of naphthalene removal after a single extraction step. The aromatics and sulfur removal efficiency of BMPYDCA IL was 54.3%, 78.3% and 82.9%, 93.8% at IL:Oil ratios of 0.4 and 1.8, respectively. An increase in temperature did not improve the extraction efficiency, but a slight decrease was noted.Results emphasized that extraction of aromatics and sulfur compoundsfrom base oil can be achieved successfully using selected ionic liquids. © 2016 Elsevier Ltd. Elsevier Ltd 2016 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85006025183&doi=10.1016%2fj.jece.2016.11.011&partnerID=40&md5=e037fdd9fa1fc1bd8bea8abec93a65ed Al Kaisy, G.M.J. and Abdul Mutalib, M.I. and Bustam, M.A. and Leveque, J.-M. and Muhammad, N. (2016) Liquid-Liquid extraction of aromatics and sulfur compounds from base oil using ionic liquids. Journal of Environmental Chemical Engineering, 4 (4). pp. 4786-4793. http://eprints.utp.edu.my/30559/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description The viability of using ionic liquids (ILs) as extractive solvents to remove naphthalene (aromatics) and dibenzothiophene (DBT; Sulfur) from base oil by liquid-liquid extraction was investigated. The experiments were designed using Response Surface Methodology (RSM) with 1-butyl-3-methylpyridinium dicyanamide BMPYDCA, 1-butyl-3-methylimidazolium dicyanamide BMIMDCA, 1-butyl-3-methylimidazolium thiocyanate BMIMSCN and 1-butyl-3-methylimidazolium dimethylphosphate BMIMDMP ILs. The sulfur compound and aromatics were analyzed using Total Sulphur analyzer and High Performance Liquid Chromatography (HPLC) with high coefficient of determination i.e. R2 values of 0.964 and 0.997 respectively. The effects of different ILs, temperatures, and ILs to oil mass ratio (IL:Oil) were optimized.BMPYDCA appeared as the most promising medium with 94.3% of dibenzothiophene and 83.1% of naphthalene removal after a single extraction step. The aromatics and sulfur removal efficiency of BMPYDCA IL was 54.3%, 78.3% and 82.9%, 93.8% at IL:Oil ratios of 0.4 and 1.8, respectively. An increase in temperature did not improve the extraction efficiency, but a slight decrease was noted.Results emphasized that extraction of aromatics and sulfur compoundsfrom base oil can be achieved successfully using selected ionic liquids. © 2016 Elsevier Ltd.
format Article
author Al Kaisy, G.M.J.
Abdul Mutalib, M.I.
Bustam, M.A.
Leveque, J.-M.
Muhammad, N.
spellingShingle Al Kaisy, G.M.J.
Abdul Mutalib, M.I.
Bustam, M.A.
Leveque, J.-M.
Muhammad, N.
Liquid-Liquid extraction of aromatics and sulfur compounds from base oil using ionic liquids
author_sort Al Kaisy, G.M.J.
title Liquid-Liquid extraction of aromatics and sulfur compounds from base oil using ionic liquids
title_short Liquid-Liquid extraction of aromatics and sulfur compounds from base oil using ionic liquids
title_full Liquid-Liquid extraction of aromatics and sulfur compounds from base oil using ionic liquids
title_fullStr Liquid-Liquid extraction of aromatics and sulfur compounds from base oil using ionic liquids
title_full_unstemmed Liquid-Liquid extraction of aromatics and sulfur compounds from base oil using ionic liquids
title_sort liquid-liquid extraction of aromatics and sulfur compounds from base oil using ionic liquids
publisher Elsevier Ltd
publishDate 2016
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85006025183&doi=10.1016%2fj.jece.2016.11.011&partnerID=40&md5=e037fdd9fa1fc1bd8bea8abec93a65ed
http://eprints.utp.edu.my/30559/
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score 11.62408

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