Removal of carbon dioxide from a gas stream by using aqueous ionic liquid
US10888814B2 · kind B2 · utility
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31Claims
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Key dates
| Filing date | Mar 18, 2011 |
| Grant date | Jan 12, 2021 |
| Priority date | — |
| Expiry date | Mar 18, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to the separation of gases, and more specifically to an inventive process for the removal of carbon dioxide gas using carefully selected ionic liquid absorbents together with water in a carefully selected ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.