Process for the preparation of biodiesel
AssigneeUniversity of Saskatchewan
InventorsMartin J. T. Reaney, Dushmanthi de A. Jayasinghe
Life of this patent
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Abstract
The present invention relates to a process of preparing fatty alkyl esters (biodiesel), glycerin and lithium soap comprising: a) transesterifying an oil, fat or grease with a solution of lithium base in a monohydric aliphatic alcohol to produce fatty alkyl esters and a lithium alkaline glycerin; b) separating the fatty alkyl esters and the lithium alkaline glycerin and utilizing the lithium alkaline glycerin to saponify fatty alkyl compounds to produce glycerin and lithium soap; and c) optionally, separating the glycerin and lithium soaps.
Claims23
A process of preparing fatty alkyl esters, (biodiesel) comprising:
- a) transesterifying an oil, fat or grease with a solution comprising a lithium base and a monohydric aliphatic alcohol to produce fatty alkyl esters and lithium alkaline glycerin;
- b) separating the fatty alkyl esters from the lithium alkaline glycerin and utilizing the lithium alkaline glycerin to saponify fatty alkyl compounds to produce glycerin and lithium soaps;
- and
- c) optionally, separating the glycerin and lithium soaps.
Dependencies are inferred from the claim text.