Method for the production of butadiene and hydrogen from ethanol in two low-water and low-energy-consumption reaction steps
US10358396B2 · kind B2 · utility
4Cited by
6References
15Claims
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Key dates
| Filing date | Sep 17, 2015 |
| Grant date | Jul 23, 2019 |
| Priority date | — |
| Expiry date | Sep 17, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2523/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the production of butadiene from an ethanol feed having at least 80% by weight of ethanol, A) converting ethanol into acetaldehyde B) converting an ethanol/acetaldehyde mixture into butadiene, C1) hydrogen treatment, D1) butadiene extraction, a first butadiene purification D2), a subsequent butadiene purification D3), an effluent treatment E1), E2) eliminating impurities and brown oils and F) scrubbing with water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.