Forming evaporite mineral products and their use as fertiliser
US11001538B2 · kind B2 · utility
0Cited by
9References
13Claims
0Family size
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Key dates
| Filing date | Feb 27, 2018 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Feb 27, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB02C19/0056
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for forming a powder from an evaporite mineral feedstock, the feedstock comprising at least 50% by mass of particles having a diameter exceeding 10 mm, the method comprising introducing the feedstock to a high pressure grinding roll press configured so as to generate an output 40% or more of which by mass has a diameter less than 400 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.