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US 6,635,595 B2Granted
Process for simultaneous alkyl esterification of oil and regeneration of spent oil purification medium
AssigneeCouncil of Scientific and Industrial Research
InventorsThengumpillil Narayana Balagopala Kaimal, Penumarthy Vijayalakshmi, Ayyagari Ananta Laxmi, Bandi Ramalinga
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Abstract
The present invention relates to a process for the simultaneous regeneration of spent clay and insitu recovery of oil from spent clay and conversion of the same to alkyl esters of C1 to C8 carbon atoms by treating the spent clay with alcohols at elevated temperature and pressure.
Claims20
A process for treating a mixture of spent clay and vegetable oil to simultaneously regenerate the spent clay and to convert the vegetable oil included with the spent clay to alkyl esters, said process comprising:
- treating the spent clay, and the vegetable oil included therewith, with an alcohol at a temperature in the range of 110°-270° C. for 1-11 hours.
Dependencies are inferred from the claim text.