Process for separating and recovering carbonic acid gas from gas mixture by adsorption
US4986835A · kind A · utility
26Cited by
14References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1989 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Aug 23, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/151
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a process for separating and recovering a high purity carbonic acid gas from a wet mixed gas containing carbonic acid gas which comprises using a pressure swing adsorption and separation apparatus composed of an adsorber packed with alumina gel and zeolite and carrying out the steps of adsorption, washing, desorption and pressurization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.