Method for manufacturing activated carbon
US10815127B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | May 24, 2018 |
| Grant date | Oct 27, 2020 |
| Priority date | — |
| Expiry date | Oct 13, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01B32/33
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Provided herein is a method for manufacturing activated carbon that providing a carbon material in a reactor, carbonizing the carbon material by a first heat-treating under an inert gas atmosphere, first activating the carbonized carbon material by a second heat-treating under an oxidizing gas atmosphere, and second activating the first activated material by a third heat-treating under a carbon dioxide atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.