Process for separating carbonic acid gas from methane-rich gas
US4581044A · kind A · utility
24Cited by
13References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 21, 1984 |
| Grant date | Apr 8, 1986 |
| Priority date | — |
| Expiry date | Feb 21, 2004 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S95/903
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A process for separating and recovering carbonic acid gas from a methane-rich gas containing the same by a pressure swing means comprising contacting the methane-rich gas with an adsorbent for carbonic acid gas at a high pressure to obtain a refined methane gas and then desorbing the carbonic acid from the carbonic acid gas-adsorbed adsorbent at a low pressure to obtain a substantially pure carbonic acid gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.