An Intensified Esterification Process of Palm Oil Fatty Acid Distillate Catalyzed by Delipidated Rice Bran Lipase

An intensified esterification process was operated by circulating 10 l of reaction mixtures, consisting of palm oil fatty acid distillate (PFAD) and glycerol in hexane, through a packed-bed reactor (PBR) filled with 10 kg of delipidated rice bran lipase (RBL). The influence of the process parameters...

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Bibliographic Details
Main Authors: Fui Chin Chong, Beng Ti Tey, Zanariah Mohd. Dom, Nordin Ibrahim, Russly Abd. Rahman, Tau Chuan Ling
Format: Article
Language:English
Published: Wiley 2006-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1100/tsw.2006.213
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Summary:An intensified esterification process was operated by circulating 10 l of reaction mixtures, consisting of palm oil fatty acid distillate (PFAD) and glycerol in hexane, through a packed-bed reactor (PBR) filled with 10 kg of delipidated rice bran lipase (RBL). The influence of the process parameters, such as reaction temperature and type of water-removal agent, on the performance of this intensified esterification process were investigated. The highest degree of esterification (61%) was achieved at a reaction temperature of 65°C, using silica gels as the water-removal agent. Thin-layer chromatography (TLC) analysis showed that the major composition of the esterified product was diacylglycerol.
ISSN:1537-744X