Acidic gas absorbent, acidic gas removal method and acidic gas removal apparatus
US11358092B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Sep 8, 2020 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Dec 23, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2252/608
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The embodiments provide an acidic gas absorbent kept from deterioration, an acidic gas removal method using the absorbent, and an acidic gas removal apparatus using the same. The acidic gas absorbent contains an amine compound and water, and further contains superfine bubble containing inert gas wherein an average diameter of said superfine bubble is 150 nm or less. The acidic gas removal method provided here employs that absorbent. The acidic gas removal apparatus is equipped with a unit for introducing the superfine bubbles into the absorbent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.