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- DescriptionThis book explores a vel technique for processing biodiesel using lipase immobilization by encapsulation and its physical properties, stability characteristics, and application in stirred tank and re-circulated packed bed immobilized reactors for biodiesel production. The enzymatic processing of biodiesel addresses many of the problems associated with chemical processing. It requires only moderate operating conditions and yields a high-quality product with a high level of conversion and the life cycle assessment of enzymatic biodiesel production has more favourable environmental consequences. The chemical processing problems of waste water treatment are lessened and soap formation is t an issue, meaning that waste oil with higher FFA can be used as the feedstock. The by product glycerol does t require any purification and it can be sold at higher price. However, soluble enzymatic processing is t perfect. It is costly, the enzyme cant be recycled and its removal from the product is difficult. For these reasons, immobilized enzymatic process has been developed which retains the advantages of the soluble enzymatic process and reuse of the enzyme is possible which decreases the enzyme cost, the biodiesel produced does t contain any enzyme residue and the activity of the enzyme can be increased by immobilization. The drawbacks of the immobilized enzyme process are mass transfer limitation, enzyme leakage, the lack of a versatile commercial immobilized enzyme and some of immobilization methods involve toxic chemicals. To overcome the drawbacks of the immobilized enzyme, an attempt is made to use a degradable biopolymer (kappa-carrageenan) as a carrier for lipase immobilization.
- Author BiographyProf. Dr. Pogaku Ravindra is an internationally renowned expert in bio energy and Biofuels field. He is a distinguished Professor of Chemical and Bioprocess Engineering, and the Postgraduate coordinator of School of Engineering and Information Technology at University Malaysia Sabah (UMS), Kota kinabalu, Sabah, Malaysia. He is also the UNESCO consultant on Sustainable energy projects. He has rich versatile and varied experience of teaching, research, industry, administrative and executive spanning over 30 years. Prof. Ravindra's research interests include bioenergy, wealth from waste (Single Cell protein etc), bioprocess engineering. At present his research group focus is on Bio-derived energy for sustainable development. His research work has culminated in over 150 research publications including chapters in books, critical reviews and presentations to his credit. He has published five books. He is the editor-in-chief, editorial board member, guest editor in referred journals and reviewer of many peer journals. Kenthorai Raman Jegannathan is a researcher at the Ecole polytechnique federale de Lausanne in Switzerland.
- Author(s)Kenthorai Raman Jegannathan,Pogaku Ravindra
- PublisherSpringer International Publishing AG
- Date of Publication09/10/2014
- SubjectEnergy Technology & Electrical Engineering
- Series TitleSpringerbriefs in Bioengineering
- Place of PublicationCham
- Country of PublicationSwitzerland
- ImprintSpringer International Publishing AG
- Content Note52 black & white illustrations, 14 colour illustrations, biography
- Weight263 g
- Width155 mm
- Height235 mm
- Spine7 mm
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