Methods and systems of sub-dew point sulfur recovery with interstage membrane units
US11530131B1 · kind B1 · utility
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19Claims
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Key dates
| Filing date | Nov 16, 2021 |
| Grant date | Dec 20, 2022 |
| Priority date | — |
| Expiry date | Nov 16, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B2210/0062
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided here are methods and systems to recover greater than 99.9% of sulfur from natural gas and from other processed gases containing hydrogen sulfide derived from refining crude oil and other industrial processes. The method and system involves a sub-dew point reactor unit with separation units for water removal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.