Reducing sulfur emissions of sulfur recovery plant by a sorption based SO2 selective crosslinked polyionic liquid system
US11759766B1 · kind B1 · utility
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20Claims
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Key dates
| Filing date | Sep 22, 2022 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Sep 22, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2252/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to a system and method for improving sulfur recovery from a Claus unit. More specifically, this invention provides a sorption based SO2 selective crosslinked polyionic liquid system and method for treating acid gas streams and minimizing sulfur dioxide emissions therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.