The development of new strategies to efficiently synthesize biodiesel is of extreme important. This is because biodiesel has been accepted worldwide as an alternative fuel for diesel engines. Biodiesel as alkyl ester derived from vegetable oil has considerable advantages in terms of environmental protection. The diminishing petroleum reserves are the major driving force for researchers to look for better strategies in producing biodiesel. The main hurdle to commercialization of biodiesel is the cost of the raw material. Biodiesel is usually produced from food-grade vegetable oil that is more expensive than diesel fuel. Therefore, biodiesel produced from food-grade vegetable oil is currently not economically feasible. Use of an inexpensive raw material such as waste cooking palm oil and non edible oil sea mango are an attractive option to lower the cost of biodiesel. This study addresses an alternative method for biodiesel production which is to use an enzymatic approach in producing biodiesel fuel from low cost feedstock waste cooking palm oil and unrefined sea mango oil using immobilized lipase Lipozyme TL IM. tert-butanol was used as the reaction medium, which eliminated both negative effects caused by excessive methanol and glycerol as the byproduct. Two variables which is methanol to oil molar ratio and enzyme loading were examine in a batch system. Transesterification of waste cooking palm oil reach 65% FAME yield (methanol to oil molar ratio 6:1 and 10% Novozyme 435 based on oil weight), while transesterification of sea mango oil can reach 90% FAME yield (methanol to oil molar ratio 6:1 and 10% Lipozyme TLIM based on oil weight).
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15 May 2015
INTERNATIONAL CONFERENCE ON MATHEMATICS, ENGINEERING AND INDUSTRIAL APPLICATIONS 2014 (ICoMEIA 2014)
28–30 May 2014
Penang, Malaysia
Research Article|
May 15 2015
Transesterification catalyzed by Lipozyme TLIM for biodiesel production from low cost feedstock
Siti Fatimah Abdul Halim;
Siti Fatimah Abdul Halim
Faculty of Chemical Engineering
Universiti Teknologi MARA (Pulau Pinang)
, 13500 Permatang Pauh, Pulau Pinang, Malaysia
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Hamizura Hassan;
Hamizura Hassan
Faculty of Chemical Engineering
Universiti Teknologi MARA (Pulau Pinang)
, 13500 Permatang Pauh, Pulau Pinang, Malaysia
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Nurulhuda Amri;
Nurulhuda Amri
Faculty of Chemical Engineering
Universiti Teknologi MARA (Pulau Pinang)
, 13500 Permatang Pauh, Pulau Pinang, Malaysia
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Nur Alwani Ali Bashah
Nur Alwani Ali Bashah
Faculty of Chemical Engineering
Universiti Teknologi MARA (Pulau Pinang)
, 13500 Permatang Pauh, Pulau Pinang, Malaysia
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AIP Conf. Proc. 1660, 070089 (2015)
Citation
Siti Fatimah Abdul Halim, Hamizura Hassan, Nurulhuda Amri, Nur Alwani Ali Bashah; Transesterification catalyzed by Lipozyme TLIM for biodiesel production from low cost feedstock. AIP Conf. Proc. 15 May 2015; 1660 (1): 070089. https://doi.org/10.1063/1.4915807
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