title: An intensified esterification process of palm oil fatty acid distillate catalyzed by delipidated rice bran lipase.
abstract: 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 masculineC, using silica gels as the water-removal agent. Thin-layer chromatography (TLC) analysis showed that the major composition of the esterified product was diacylglycerol.
authors.affiliation: Department of Chemical and Environmental Engineering, Faculty of Engineering, University Putra Malaysia, 43400 Serdang,Selangor, Malaysia. vivian_cfc@hotmail.com
authors.forename: Fui Chin
authors.initials: FC
authors.lastname: Chong
authors.forename: Beng Ti
authors.initials: BT
authors.lastname: Tey
authors.forename: Zanariah Mohd
authors.initials: ZM
authors.lastname: Dom
authors.forename: Nordin
authors.initials: N
authors.lastname: Ibrahim
authors.forename: Russly Abd
authors.initials: RA
authors.lastname: Rahman
authors.forename: Tau Chuan
authors.initials: TC
authors.lastname: Ling
mesh_terms: D002384:Catalysis; D004951:Esterification; D005227:Fatty Acids / Q000737:chemistry* / Q000378:metabolism*; D008049:Lipase / Q000378:metabolism*; D012275:Oryza / Q000737:chemistry* / Q000201:enzymology*; D000073878:Palm Oil; D010938:Plant Oils / Q000737:chemistry* / Q000378:metabolism*; D013696:Temperature; D014867:Water
chemical_list: D005227:Fatty Acids; D010938:Plant Oils; D014867:Water; D000073878:Palm Oil; D008049:Lipase