Method of producing alkyl esters from vegetable or animal oil and an aliphatic monoalcohol with fixed-bed hot purification
US8624048B2 · kind B2 · utility
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6References
17Claims
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Key dates
| Filing date | Dec 15, 2010 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Nov 12, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P30/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a method of producing alkyl esters and glycerin from a crude or semi-refined vegetable oil and an aliphatic monoalcohol, comprising a deep pretreatment purification stage to eliminate the species based on phosphorus, calcium, magnesium, zinc or iron, insoluble under the temperature conditions of the heterogeneous catalytic reactor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.