A method of producing biodiesel using oil containing high content of free fatty acids
A method of producing biodiesel comprises the steps of reacting an oil with an alcohol under heating in the presence of solid catalysts; wherein the oil has free fatty acid content not less than 3% by weight percentage and the solid catalysts are calcined bismuth vanadyl phosphates.
| Main Authors: | , , |
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| Format: | Patent |
| Published: |
2011
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