Method of regenerating member and method of seawater desalination
US11491445B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Jan 22, 2019 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Feb 10, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A20/131
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This method, for regenerating a member used in a device that treats seawater, involves a cleaning step for removing deposits from the member. In the cleaning step, a first chemical solution containing an acid other than hydroxydicarboxylic acid and a second chemical solution containing hydrogen peroxide, a heavy metal compound and hydroxydicarboxylic acid are used.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.