Method for drying wet particulate matter, wherein the dried particulate matter is a white mineral having a brightness Ry of at least 65% that forms particulate matter through drying in direct superheated steam dryer
US10190820B2 · kind B2 · utility
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44Claims
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Key dates
| Filing date | Apr 11, 2012 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Nov 13, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a method for drying wet particulate matter, wherein at least one feed stream (1) of wet particulate matter is contacted with superheated steam (6) within at least one drying chamber (40) with a mixing system, and the dried particulate matter is discharged as at least one product stream (10) to obtain the dried particulate matter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.