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Biolubricant synthesis using immobilised lipase: Process optimisation of trimethylolpropane oleate production

Orellana Coca Åkerman, Cecilia LU ; Hagström, Anna LU ; Bornadel, Amin LU ; Karlsson, Stefan and Hatti-Kaul, Rajni LU (2011) In Process Biochemistry 46(12). p.2225-2231
Abstract
Synthetic esters based on polyols and fatty acids possess suitable technical and ecological properties for applications as biolubricants, and can replace the mineral oil based lubricants in several applications. In this work, the synthesis of trimethylolpropane (TMP) esters with oleic acid using immobilised lipase B from Candida antarctica (Novozym (R) 435) has been studied. TMP-trioleate has suitable properties for use as hydraulic fluids, especially at extreme temperatures. The effect of different reaction parameters on the reaction efficiency has been evaluated. The study showed that the formation of the triester product was facilitated at high temperature and biocatalyst concentration, as well as stoichiometric amounts of oleic acid... (More)
Synthetic esters based on polyols and fatty acids possess suitable technical and ecological properties for applications as biolubricants, and can replace the mineral oil based lubricants in several applications. In this work, the synthesis of trimethylolpropane (TMP) esters with oleic acid using immobilised lipase B from Candida antarctica (Novozym (R) 435) has been studied. TMP-trioleate has suitable properties for use as hydraulic fluids, especially at extreme temperatures. The effect of different reaction parameters on the reaction efficiency has been evaluated. The study showed that the formation of the triester product was facilitated at high temperature and biocatalyst concentration, as well as stoichiometric amounts of oleic acid and TMP. The product with the highest triester content exhibited the lowest pour point (-42 degrees C). The stability of the biocatalyst was however limited at high temperature and polyol concentration. Loss of activity during recycling of the biocatalyst at 70 degrees C was reduced to some extent by washing it with 2-propanol prior to subsequent run. (C) 2011 Elsevier Ltd. All rights reserved. (Less)
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author
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Contribution to journal
publication status
published
subject
keywords
Polyol esters, Immobilised Candida antarctica lipase B, Reaction, parameters, Biocatalyst stability
in
Process Biochemistry
volume
46
issue
12
pages
2225 - 2231
publisher
Elsevier
external identifiers
  • wos:000297832000002
  • scopus:80055001705
ISSN
1873-3298
DOI
10.1016/j.procbio.2011.08.006
language
English
LU publication?
yes
id
08a67791-3f9d-41fc-bd16-de63f06da887 (old id 2279416)
date added to LUP
2012-01-11 13:54:19
date last changed
2017-04-30 05:26:40
@article{08a67791-3f9d-41fc-bd16-de63f06da887,
  abstract     = {Synthetic esters based on polyols and fatty acids possess suitable technical and ecological properties for applications as biolubricants, and can replace the mineral oil based lubricants in several applications. In this work, the synthesis of trimethylolpropane (TMP) esters with oleic acid using immobilised lipase B from Candida antarctica (Novozym (R) 435) has been studied. TMP-trioleate has suitable properties for use as hydraulic fluids, especially at extreme temperatures. The effect of different reaction parameters on the reaction efficiency has been evaluated. The study showed that the formation of the triester product was facilitated at high temperature and biocatalyst concentration, as well as stoichiometric amounts of oleic acid and TMP. The product with the highest triester content exhibited the lowest pour point (-42 degrees C). The stability of the biocatalyst was however limited at high temperature and polyol concentration. Loss of activity during recycling of the biocatalyst at 70 degrees C was reduced to some extent by washing it with 2-propanol prior to subsequent run. (C) 2011 Elsevier Ltd. All rights reserved.},
  author       = {Orellana Coca Åkerman, Cecilia and Hagström, Anna and Bornadel, Amin and Karlsson, Stefan and Hatti-Kaul, Rajni},
  issn         = {1873-3298},
  keyword      = {Polyol esters,Immobilised Candida antarctica lipase B,Reaction,parameters,Biocatalyst stability},
  language     = {eng},
  number       = {12},
  pages        = {2225--2231},
  publisher    = {Elsevier},
  series       = {Process Biochemistry},
  title        = {Biolubricant synthesis using immobilised lipase: Process optimisation of trimethylolpropane oleate production},
  url          = {http://dx.doi.org/10.1016/j.procbio.2011.08.006},
  volume       = {46},
  year         = {2011},
}