Mining or in situ disintegration of hard material – With separation of materials – Separation below surface of earth or water
Patent
1979-09-05
1983-07-05
Purser, Ernest R.
Mining or in situ disintegration of hard material
With separation of materials
Separation below surface of earth or water
37DIG8, 37 58, E02F 500
Patent
active
043914683
ABSTRACT:
A method of recovering mineral nodules deposited on the ocean floor which comprises the steps of pumping a continuous flow of ocean water along a first confined path through an exchange position within the vicinity of the ocean floor where the mineral nodules to be recovered are deposited from an ocean water inlet position out of the aforesaid ocean vicinity and then upwardly to a discharge position on a surface vessel, confining ocean water within a second path within the aforesaid ocean vicinity, continuously flowing ocean water in the second path by pumping the same at a pumping position spaced down-stream from an exchange position therein, continuously moving from the ocean floor to a separating position within the aforesaid ocean vicinity a mixture containing deposited mineral nodules and smaller particles forming a part of the ocean floor on which the mineral nodules were deposited, continuously separating the mixture at the separating position so as to obtain a supply of separated mineral nodules within ocean water, continuously feeding the supply of separated mineral nodules to the second path at a feeding position upstream from the exchange position therein, and continuously exchanging between the exchange positions within the first and second paths successive incremental volumes of ocean water and mineral nodules from the second path to the first path with comparable successive incremental volumes of ocean water from the first path to the second path.
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Kamyr Inc.
Purser Ernest R.
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