Production of biodiesel from palm oil using liquid core lipase encapsulated in κ-carrageenan

被引：73

作者：

Jegannathan, Kenthorai Raman ^{[1
]}

Jun-Yee, Leong ^{[1
]}

Chan, Eng-Seng ^{[1
]}

Ravindra, Pogaku ^{[1
]}

机构：

[1] Univ Malaysia Sabah, Ctr Mat & Minerals, Sch Engn & Informat Technol, Kota Kinabalu 88999, Sabah, Malaysia

来源：

FUEL | 2010年 / 89卷 / 09期

关键词：

Biodiesel; Encapsulation; Immobilization; Lipase; Liquid core; FATTY-ACID; CATALYZED TRANSESTERIFICATION; FUEL PRODUCTION; HYDROTALCITE; SUNFLOWER; ESTERS; SILICA;

D O I：

10.1016/j.fuel.2010.03.016

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This work deals with the enzymatic transesterification of palm oil with methanol in a solvent-free system. Among the five lipases tested in the initial screening, lipase PS from Burkholderia cepacia resulted in the highest triglyceride conversion. Lipase PS was further investigated in a novel immobilized form by encapsulating within a biopolymer, kappa-carrageenan. Using the immobilized lipase the production parameters of biodiesel from palm oil were optimized. The optimal conditions for processing 10 g of palm oil was: 30 degrees C, 1:7 oil/methanol molar ratio, 1 g water, 5.25 g immobilized lipase, 72 h reaction time and 23.7g relative centrifugal force. At the optimal conditions, triglyceride conversion of up to 100% could be obtained. The immobilized lipase was stable and retained 82% relative transesterification activity after five cycles. Liquid core lipase encapsulated in kappa-carrageenan could be a potential immobilized catalyst for eco-friendly production of biodiesel. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：2272 / 2277

页数：6

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