Method and unit for separating the light and heavy components of natural gas
US10627159B2 · kind B2 · utility
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1References
14Claims
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Assignee
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Key dates
| Filing date | Jul 7, 2015 |
| Grant date | Apr 21, 2020 |
| Priority date | — |
| Expiry date | Jan 7, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a method for the treatment of natural gas containing carbon dioxide, methane and paraffins. The method comprising: a step of extracting the paraffins from the natural gas in a paraffin-removal column, and a step of separating the carbon dioxide and the methane in a distillation column. The operation of the two columns being provided by means of the thermal coupling of said two columns using a thermal coupling heat exchanger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.