Sea water lithium-recovery device and lithium-recovery station using coastal-water-based lithium-adsorption equipment and shore-based lithium-isolation equipment, and lithium desorption device using aeration

Abstract

The present invention relates to a device for recovering lithium included in a solution such as sea water, and to a sea water lithium-recovery device and a lithium-recovery station using coastal-water-based lithium-adsorption equipment and shore-based lithium-isolation equipment and a lithium desorption device using aeration.

The invention claimed is: 
     
       1. A sea water lithium-recovery device using coastal-water-based lithium-adsorption equipment and shore-based lithium-isolation equipment for recovering lithium included in sea water, comprising:
 a lithium-adsorption means positioned at a coast to adsorb the lithium included in the sea water; 
 a lithium-isolation means positioned at a shore or land adjacent to the shore and isolating the lithium adsorbed to the lithium-adsorption means to obtain the lithium; and 
 an adsorbed lithium moving means moving a portion to which the lithium is adsorbed in the lithium-adsorption means to the lithium-isolation means to supply the adsorbed lithium. 
 
     
     
       2. The sea water lithium-recovery device of  claim 1 , wherein the adsorbed lithium moving means moves a lithium adsorbent to which the lithium is adsorbed along a line and supplies the lithium adsorbent to the lithium-isolation means. 
     
     
       3. A lithium-recovery device using coastal-water-based lithium-adsorption equipment and shore-based lithium-isolation equipment for recovering lithium included in sea water, comprising:
 a lithium-adsorption means positioned at a coast to adsorb the lithium included in the sea water; 
 a high-concentration lithium solution preparing means positioned at the coast and isolating the lithium adsorbed to the lithium-adsorption means to be a high-concentration lithium containing solution; 
 a lithium-extraction means positioned at a shore or a land adjacent to the shore and supplied with the high-concentration lithium solution obtained by the high-concentration lithium solution preparing means to extract the lithium; and 
 a lithium solution supply means supplying the high-concentration lithium solution obtained by the high-concentration lithium solution preparing means to the lithium-extraction means. 
 
     
     
       4. The lithium-recovery device of  claim 3 , wherein the lithium solution supply means includes a supply pipe connecting between the high-concentration lithium solution preparing means and the lithium-extraction means and a pump supplying the high-concentration lithium solution to the supply pipe. 
     
     
       5. The sea water lithium-recovery device of  claim 1 , wherein the lithium-adsorption means includes:
 a first electrode having a carrier of which a surface is coated with an adsorbent including manganese oxide; 
 a second electrode dipped in the sea water including the lithium, disposed to face the first electrode at a predetermined interval, and applied with electricity; and 
 a power supplier applying electricity to the first electrode and the second electrode and applying a negative electrode (−electrode) and a positive electrode (+electrode) to the first electrode and the second electrode, respectively. 
 
     
     
       6. The sea water lithium-recovery device of  claim 2 , wherein the lithium-adsorption means includes:
 a first electrode having a carrier of which the surface is coated with an adsorbent including manganese oxide; 
 a second electrode dipped in the sea water including the lithium, disposed to face the first electrode at a predetermined interval, and applied with electricity; and 
 a power supplier applying electricity to the first electrode and the second electrode and applying a negative electrode (−electrode) and a positive electrode (+electrode) to the first electrode and the second electrode, respectively. 
 
     
     
       7. The lithium-recovery device of  claim 3 , wherein the lithium-adsorption means includes:
 a first electrode having a carrier of which the surface is coated with an adsorbent including manganese oxide; 
 a second electrode dipped in the sea water including the lithium, disposed to face the first electrode at a predetermined interval, and applied with electricity; and 
 a power supplier applying electricity to the first electrode and the second electrode and applying a negative electrode (−electrode) and a positive electrode (+electrode) to the first electrode and the second electrode, respectively. 
 
     
     
       8. The lithium-recovery device of  claim 4 , wherein the lithium-adsorption means includes:
 a first electrode having a carrier of which a surface is coated with an adsorbent including manganese oxide; 
 a second electrode dipped in the sea water including the lithium, disposed to face the first electrode at a predetermined interval, and applied with electricity; and 
 a power supplier applying electricity to the first electrode and the second electrode and applying a negative electrode (−electrode) and a positive electrode (+electrode) to the first electrode and the second electrode, respectively.