Method for recovering rare-earth mud, and recovery system
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United States of America Patent
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Sep 10, 2024
Grant Date -
Apr 13, 2023
app pub date -
Feb 26, 2021
filing date -
Feb 28, 2020
priority date (Note) -
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status (Latency Note)
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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.
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