Cyclical method of producing high-purity nitrogen and optionally a high-purity hydrocarbon from a feedstock containing nitrogen and a hydrocarbon
US9844750B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Jul 9, 2012 |
| Grant date | Dec 19, 2017 |
| Priority date | — |
| Expiry date | May 14, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G2300/202
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a cyclical method for producing a nitrogen fraction, the purity of which is greater than or equal to 95 mol %, and a hydrocarbon-enriched fraction from a filler containing nitrogen and a hydrocarbon, said method using a specific class of porous hybrid solids as an adsorbent in a pressure-swing adsorption (PSA) process. The invention also relates to equipment for implementing said method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.