Method for the purification of natural gas having a high contents of acidic gases
US4097250A · kind A · utility
32Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1977 |
| Grant date | Jun 27, 1978 |
| Priority date | — |
| Expiry date | Mar 4, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S62/929
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method is disclosed for removing acidic gaseous components from natural gases, this method comprising an initial desulfurization stage employing a selective solvent, then removing carbon dioxide by low temperature distillation, the carbon dioxide providing the cooling effect required for such a condensation, recovering the solvent, absorbing the residual carbon dioxide with the regenerated solvent and recycling the CO.sub.2 -laden solvent to the desulfurization stage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.