Method for separating different constituents of a concrete for deconstruction
US11471892B2 · kind B2 · utility
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3References
8Claims
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Key dates
| Filing date | Sep 1, 2020 |
| Grant date | Oct 18, 2022 |
| Priority date | — |
| Expiry date | Sep 1, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of separating different constituents of a fine fraction that is produced in a prior method for separating a concrete for deconstruction. The method allows the reuse of these different constituents in the production of a new cement and/or of a new concrete, the fine fraction including sand and at least 30% by mass of hydrated cement paste.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.