Removal of glycerol from palm oil-based biodiesel using new ionic liquids analogues

K. C. Ho, K. Shahbaz, W. Rashmi, F. S. Mjalli, M. A. Hashim, I. M. Alnashef

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Upon the completion of the transesterification reaction, the produced biodiesel has to be purified from the by-product glycerol before being employed as a potential diesel substitute. The glycerol content must meet the limit set by the international biodiesel standards; namely EN 14214 and ASTM D6751. The conventional purification methods such as water washing, dry washing and membrane separation are prone to significant product loss, environmental pollution and increased production cost. In this work, seven new ternary deep eutectic solvents (DESs) were synthesised from choline chloride (ChCl) salt and two glycols-based hydrogen bond donors, namely glycerol and ethylene glycol. These DESs were employed as extraction solvents to remove total glycerol from palm oil-based biodiesel. The results revealed that the synthesised DESs have a higher total glycerol removal efficiency than that of free glycerol. Complete removal of free and total glycerol was attained by DES 3 at a molar ratio of 0.5:1 (DES 3: biodiesel).

Original languageEnglish
Pages (from-to)98-111
Number of pages14
JournalJournal of Engineering Science and Technology
Volume10
Issue numberSpec. Issue 1 on the second eureca 2014, 2-3 July 2014
Publication statusPublished - Jul 1 2014

Fingerprint

Palm oil
Biodiesel
Glycerol
Ionic liquids
Eutectics
Washing
Transesterification
Solvent extraction
Glycols
Ethylene glycol
Purification
Byproducts
Hydrogen bonds
Pollution
Salts
Membranes
Costs
Water

Keywords

  • Biodiesel
  • Ethylene glycol
  • Eutectic
  • Glycerol
  • Palm oil
  • Removal

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Ho, K. C., Shahbaz, K., Rashmi, W., Mjalli, F. S., Hashim, M. A., & Alnashef, I. M. (2014). Removal of glycerol from palm oil-based biodiesel using new ionic liquids analogues. Journal of Engineering Science and Technology, 10(Spec. Issue 1 on the second eureca 2014, 2-3 July 2014), 98-111.

Removal of glycerol from palm oil-based biodiesel using new ionic liquids analogues. / Ho, K. C.; Shahbaz, K.; Rashmi, W.; Mjalli, F. S.; Hashim, M. A.; Alnashef, I. M.

In: Journal of Engineering Science and Technology, Vol. 10, No. Spec. Issue 1 on the second eureca 2014, 2-3 July 2014, 01.07.2014, p. 98-111.

Research output: Contribution to journalArticle

Ho, KC, Shahbaz, K, Rashmi, W, Mjalli, FS, Hashim, MA & Alnashef, IM 2014, 'Removal of glycerol from palm oil-based biodiesel using new ionic liquids analogues', Journal of Engineering Science and Technology, vol. 10, no. Spec. Issue 1 on the second eureca 2014, 2-3 July 2014, pp. 98-111.
Ho KC, Shahbaz K, Rashmi W, Mjalli FS, Hashim MA, Alnashef IM. Removal of glycerol from palm oil-based biodiesel using new ionic liquids analogues. Journal of Engineering Science and Technology. 2014 Jul 1;10(Spec. Issue 1 on the second eureca 2014, 2-3 July 2014):98-111.
Ho, K. C. ; Shahbaz, K. ; Rashmi, W. ; Mjalli, F. S. ; Hashim, M. A. ; Alnashef, I. M. / Removal of glycerol from palm oil-based biodiesel using new ionic liquids analogues. In: Journal of Engineering Science and Technology. 2014 ; Vol. 10, No. Spec. Issue 1 on the second eureca 2014, 2-3 July 2014. pp. 98-111.
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