Process for preparing ethene
US9950968B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Apr 1, 2015 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | Apr 1, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention provides a process for the preparation of ethene by vapor phase chemical dehydration of a feed comprising ethanol, said process comprising contacting the feed with a supported heteropolyacid catalyst in a reactor, wherein the feed temperature is at least 250° C. and the pressure inside the reactor is at least 0.80 MPa but less than 1.80 MPa.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.