Metakaolin production and enhancement of industrial minerals
US9108884B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Feb 3, 2012 |
| Grant date | Aug 18, 2015 |
| Priority date | — |
| Expiry date | Jun 3, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Methods for preparing metakaolin-enhanced industrial minerals. Mixing and heating kaolinite clay with an industrial mineral, such as activated carbon, that is between 750° F. and 1400° F. results in a metakaolin/activated carbon complex that provides good mercury sorbent qualities while producing a fly ash (after use as a sorbent in emissions applications) that has a lower foaming index.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.