Double charge composite materials for contaminant removal and methods of making the same
US11851350B1 · kind B1 · utility
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11Claims
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Key dates
| Filing date | Oct 25, 2017 |
| Grant date | Dec 26, 2023 |
| Priority date | — |
| Expiry date | Jan 30, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F1/281
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for removing a contaminant from a fluid is provided. A positively charged layered double hydroxide is combined with a negatively charged clay material to form adsorption material. The adsorption material is contacted with an aqueous solution containing the contaminant to adsorb the contaminant onto the adsorption material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.