Controlling the rheology of a metal ore residue
US12173126B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 5, 2019 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Sep 26, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/10
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method can prepare an aqueous mineral suspension from an aqueous metal ore residue into which there is introduced a polymer (P) having a molecular weight Mw measured by GPC of from 100,000 to 3.106 g/mol and prepared by free radical polymerization of at least one anionic monomer (m). The suspension produced may have a Brookfield viscosity greater than 2,000 mPa·s and/or a flow threshold of greater than 40 Pa.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.