Process for recycling gas from acetic acid hydrogenation
US8575404B2 · kind B2 · utility
1Cited by
79References
27Claims
0Family size
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Key dates
| Filing date | Apr 1, 2011 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Jan 13, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Monitoring and recycling gases from acetic acid hydrogenation reaction to maintain a constant pressure in the hydrogenation reaction system. Purging of the vapor stream comprising hydrogen may be limited or reduced. Further purging of the by-product may be from the dissolved by-product gases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.