Method for recovering rare-earth mud, and recovery system
US12084948B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Feb 26, 2021 |
| Grant date | Sep 10, 2024 |
| Priority date | — |
| Expiry date | Feb 26, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P10/20
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for recovering rare-earth mud including steps of: (A) penetrating a mud gathering pipe into a layer containing rare-earth mud under the seafloor, (B) preparing a slurry containing a rare earth by loosening rare-earth mud in the mud gathering pipe, and (C) transferring the slurry through a mud raising pipe. A rare-earth mud recovery system including: a mud gathering pipe configured to penetrate into a layer containing rare-earth mud under a seafloor; a stirring device configured to loosen rare-earth mud in the mud gathering pipe; and a mud raising pipe connected to the mud gathering pipe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.