Mining or in situ disintegration of hard material – With separation of materials – Separation below surface of earth or water
Patent
1974-07-09
1976-07-27
Crowder, Clifford D.
Mining or in situ disintegration of hard material
With separation of materials
Separation below surface of earth or water
37 56, 37 61, 37 72, 37DIG8, 37195, 302 14, 417 54, 417108, E02F 388, E02F 700
Patent
active
039715930
ABSTRACT:
In a first step, a mixture of nodular sediments and sea water is collected by dredging along the sea bed and lifted into the separation compartment of an underwater control and storage station connected by tubing to a carrier ship. A volume of air corresponding to the pressure of the compartment at the immersion depth is sucked from the mixture and re-injected into the dredging tube by means of a booster compressor. In a second step, the nodules separated from the air are sucked to the surface and then collected.
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patent: 3857651 (1974-12-01), Bruno
Porte Robert
Rommens Michel
Commissariat a l''Energie Atomique
Crowder Clifford D.
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