eprintid: 13307
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/01/33/07
datestamp: 2023-11-10 03:27:52
lastmod: 2023-11-10 03:27:52
status_changed: 2023-11-10 01:50:50
type: article
metadata_visibility: show
creators_name: Krishnan, S.
creators_name: Ghani, N.A.
creators_name: Aminuddin, N.F.
creators_name: Quraishi, K.S.
creators_name: Azman, N.S.
creators_name: Cravotto, G.
creators_name: Leveque, J.-M.
title: Microwave-assisted lipid extraction from Chlorella vulgaris in water with 0.5�2.5 of imidazolium based ionic liquid as additive
ispublished: pub
keywords: Algae; Chemical bonds; Electronegativity; Energy dissipation; Fatty acids; Ionic liquids; Lipids; Microorganisms; Microwave irradiation; Microwaves, Chlorella vulgaris; Energy balance calculations; Extraction efficiencies; Fatty acid methyl ester; Fatty acid profiles; Imidazolium-based ionic liquid; Micro-algae; Microwave assisted, Extraction, additive; bioenergy; energy balance; extraction method; fatty acid; green alga; ionic liquid; lipid; microwave radiation; reduction, Chlorella vulgaris
note: cited By 39
abstract: Microwave is a good candidate towards lipid extraction from microalgae in a bid to reduce the overall energetic consumption and extraction time. 1-octyl-3-methylimidazolium-based ILs belonging to 1st generation and 2nd generations, have been used. At 2.5 of OmimOAc in the medium, 19.2% of lipid were obtained, while the conventional IL-less system only yielded 10.9%. More interestingly, the extraction efficiency increases with increasing amount of IL. A broader range of fatty acid profiles was also found to be extracted in the presence of ILs. The lipid extraction ability of the ILs was further confirmed and even dramatically enhanced under high pressure microwave irradiation. At 1.5% IL, the lipid yield reached 37% with FAME profile mirroring the results obtained by hydrophobic IL based extraction. The energy balance calculation have shown a reduction in the energy loss with the different type of IL used resulting in a 12% net energy gain with the OmimNTf2 IL based extraction. A key finding in this study suggests that both the polarity of the ILs and the electronegativity of the anions play an important role in the type of lipids extracted. © 2019 Elsevier Ltd
date: 2020
publisher: Elsevier Ltd
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85076695212&doi=10.1016%2fj.renene.2019.12.063&partnerID=40&md5=761a907fdcbe12860cdace24d69431e2
id_number: 10.1016/j.renene.2019.12.063
full_text_status: none
publication: Renewable Energy
volume: 149
pagerange: 244-252
refereed: TRUE
issn: 09601481
citation:   Krishnan, S. and Ghani, N.A. and Aminuddin, N.F. and Quraishi, K.S. and Azman, N.S. and Cravotto, G. and Leveque, J.-M.  (2020) Microwave-assisted lipid extraction from Chlorella vulgaris in water with 0.5�2.5 of imidazolium based ionic liquid as additive.  Renewable Energy, 149.  pp. 244-252.  ISSN 09601481