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Author Spotlight: Employing Green-Chemistry Principles for Safe and Sustainable Synthesis of Biodiesels
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Statistical optimization for lipase production from solid waste of vegetable oil industry
Rajesh Kumar Sahoo1, Mohit Kumar2, Swati Mohanty3
1a Centre for Biotechnology , Siksha O Anusandhan University , Bhubaneswar , Odisha , India.
Preparative Biochemistry & Biotechnology
|February 10, 2018
Summary
This study produced biofuel from olive oil cake using Bacillus licheniformis lipase. Optimized conditions yielded 66.5% methyl esters, demonstrating efficient biofuel production from agricultural waste.
Area of Science:
- Biotechnology
- Enzyme Engineering
- Renewable Energy
Background:
- Hot spring bacteria offer thermostable enzymes suitable for industrial applications.
- Olive oil cake is an abundant, low-cost agricultural residue, ideal for biofuel feedstock.
- Lipase-catalyzed transesterification is a key process in biodiesel production.
Purpose of the Study:
- To produce biofuel from agricultural waste using thermostable bacterial lipase.
- To optimize lipase production and transesterification conditions for maximum yield.
- To characterize the methyl ester products derived from kitchen waste oil.
Main Methods:
- Isolation and utilization of lipase from Bacillus licheniformis.
- Optimization of lipase production parameters (pH, temperature, moisture, biosurfactant).
- Transesterification of kitchen waste oil using the optimized lipase enzyme.
Main Results:
- Achieved a 66.5% yield of methyl esters.
- Determined optimal conditions for lipase production: pH 8.2, 50.8°C, 55.7% moisture, 1.693 mg biosurfactant.
- Identified methyl palmitate, methyl stearate, methyl oleate, and methyl linoleate as major products.
Conclusions:
- Thermostable bacterial lipase from Bacillus licheniformis is effective for biofuel production from olive oil cake.
- Optimized conditions significantly enhance lipase production and subsequent biofuel yield.
- This method offers a sustainable route for converting agricultural waste into valuable biodiesel components.
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