WO2015037842A1 - 근해의 리튬 흡착설비와 연안의 리튬 분리설비를 사용한 해수의 리튬 회수장치, 리튬 회수 스테이션, 및 에어레이션을 이용한 리튬 탈착 장치 - Google Patents
근해의 리튬 흡착설비와 연안의 리튬 분리설비를 사용한 해수의 리튬 회수장치, 리튬 회수 스테이션, 및 에어레이션을 이용한 리튬 탈착 장치 Download PDFInfo
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- WO2015037842A1 WO2015037842A1 PCT/KR2014/007990 KR2014007990W WO2015037842A1 WO 2015037842 A1 WO2015037842 A1 WO 2015037842A1 KR 2014007990 W KR2014007990 W KR 2014007990W WO 2015037842 A1 WO2015037842 A1 WO 2015037842A1
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- lithium
- manganese oxide
- adsorption
- desorption
- seawater
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/10—Obtaining alkali metals
- C22B26/12—Obtaining lithium
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
- C02F1/4691—Capacitive deionisation
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/10—Hydrochloric acid, other halogenated acids or salts thereof
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/22—Electrolytic production, recovery or refining of metals by electrolysis of solutions of metals not provided for in groups C25C1/02 - C25C1/20
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/02—Electrodes; Connections thereof
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
- C25C7/08—Separating of deposited metals from the cathode
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
- C02F2001/46138—Electrodes comprising a substrate and a coating
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4616—Power supply
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4618—Supplying or removing reactants or electrolyte
Definitions
- the present invention relates to an apparatus for recovering lithium contained in a solution such as seawater.
- the mineral recovery technology which can selectively extract only certain valuable metal ions dissolved (dissolved) in seawater, reduces the dependence on foreign resources and enables stable supply of resources, thus providing sufficient value as a growth engine of the national economy and a sustainable future. It is a very important technology for national economic development.
- lithium ion molecular sieves include inorganic compounds such as manganese oxide particles embedded in polymers such as polyvinyl chloride (PVC), or alternatively ion exchanged in a reservoir composed of a polymer membrane, followed by acid treatment. It is usually recovered through.
- PVC polyvinyl chloride
- the conventional techniques described above have the advantage of having a high recovery rate for lithium ions from seawater.
- Korean Patent Registration No. 10-1136816 has been devised by the inventors of the present application.
- the technology includes an electrode module to which metal ions such as lithium are adsorbed, and a solution in which metal ions are present is flowed to the electrode module through a pump so that lithium ions are adsorbed to the electrode module to which the electrode is applied.
- the present invention is to solve the above problems, the object of the present invention is excellent economical efficiency, less influenced by weather conditions, long drive time, better safety of the offshore lithium adsorption equipment and offshore lithium separation equipment It is to provide a lithium recovery apparatus of seawater using.
- Another object of the present invention is to provide a lithium recovery station that can reduce the power required for the recovery of lithium contained in seawater as much as possible.
- another object of the present invention is a very heavy weight of lithium manganese oxide in the process in which lithium ions are desorbed from the lithium manganese oxide to form a manganese oxide by the reaction of the lithium manganese oxide and acid aqueous solution injected into the acid resistant tank. Even in this case, to provide a lithium desorption apparatus using aeration that can easily increase the reaction rate of the acid aqueous solution and lithium manganese oxide.
- Lithium recovery apparatus for seawater using a lithium adsorption facility and offshore lithium separation equipment in accordance with the present invention is located in the offshore lithium adsorption means for adsorbing lithium contained in the sea water; Lithium separation means (80) positioned on a coast or on land adjacent to the coast to separate lithium adsorbed on the lithium adsorption means (70) to obtain lithium;
- the lithium adsorption means 70, the adsorption lithium moving means 90 for supplying the lithium adsorbed portion to the lithium separation means 80 to move; is configured to include.
- the adsorbed lithium moving means 90 moves the lithium adsorbed body in which lithium is adsorbed along the line and supplies the adsorbed lithium moving means to the lithium separating means 80.
- the lithium recovery apparatus of seawater using the lithium adsorption facility and offshore lithium separation facility in the offshore according to the present invention is located in the offshore lithium adsorption means 70 to adsorb lithium contained in the seawater;
- a high concentration lithium solution manufacturing means (85) positioned in the water to separate the lithium adsorbed on the lithium adsorption means (70) to form a high concentration lithium-containing solution;
- Lithium extraction means (86) which is located on the shore or on the shore adjacent to the coast and receives the high concentration lithium solution obtained by the high concentration lithium solution manufacturing means (85) to extract lithium;
- a lithium solution supply means (95) for supplying the high concentration lithium solution obtained by the high concentration lithium solution manufacturing means (85) to the lithium extraction means (86).
- the lithium solution supply means 95 is a pump for supplying a high concentration lithium solution to the supply pipe (95a) and the supply pipe (95a) connecting the high concentration lithium solution manufacturing means 85 and the lithium extraction means 86 ( 95b).
- the lithium adsorption means 70 includes a first electrode 10 coated with an adsorbent 12 containing manganese oxide on the surface of the carrier 11; A second electrode 20 which is immersed in seawater containing lithium and is positioned to face the first electrode 10 at intervals and to which electricity is applied; And applying electricity to the first electrode 10 and the second electrode 20, respectively applying a cathode (-pole) and an anode (+ pole) to the first electrode 10 and the second electrode 20, respectively. It is configured to include; a power supply capable of.
- Lithium recovery station 1000 includes a float (100) floating on the sea; A moving means (200) installed on the floating body (100) for moving the lithium adsorbent (110); An adsorption tank (300) installed in the floating body (100), the lower surface of which is in communication with sea water, and which adsorbs lithium ions in a state where the lithium adsorbent (110) is immersed in the sea water of the floating body surface; A cage 310 coupled to the lower surface of the adsorption tank 300 for stacking the lithium adsorbent 110 in a state submerged in seawater; A washing tank 400 installed in the floating body 100 to wash the lithium adsorbent 110 adsorbed with lithium ions moved from the adsorption tank 300 through the moving means 200; And a desorption tank 500 installed on the floating body 100 to desorb lithium ions of the lithium adsorbent 110 adsorbed by the lithium ions moved from the washing tank 400 through the moving means 200. Characterized in that it comprises a.
- the floating body 100 further includes a washing liquid storage tank for storing the washing liquid supplied to the washing tank 400 and a lithium desorbing liquid storage tank for storing the lithium desorbing liquid desorbed from the desorbing tank 500. Characterized in that.
- the floating body 100 is characterized in that it further comprises a lithium desorption liquid transfer means for supplying the desorbed lithium desorption liquid from the desorption tank 500 to the shore or a land adjacent to the coast.
- the floating body 100 is characterized in that it further comprises a washing liquid transport means for receiving the washing liquid required for the washing tank 400 from the shore or the shore adjacent to the coast.
- the moving means 200 is connected to the crane 210, the chain 220 connected to the crane 210, and the chain 220 is installed on the floating body 100, the lithium adsorbent ( It characterized in that it comprises a frame 230 is housed 110.
- the lithium recovery station 1000 is installed in the floating body 100, characterized in that it further comprises a power generation means 600 for producing electric power by using diesel power and solar heat to supply to the crane 210. do.
- the lithium recovery station 1000 is a plurality of struts 810 fixed to the offshore ground located in the vicinity of the floating body 100, a plurality of connecting the struts 810 and the floating body 100 Characterized in that it further comprises; a support means 800 including a connecting line 820 of.
- the lithium desorption apparatus 2000 using aeration includes a housing 1100 having an upper surface open and an acid aqueous solution stored therein;
- the outer wall is made of a porous polymer film, and lithium manganese oxide is stored therein, and is inserted into the housing 1100, whereby lithium ions are desorbed from lithium manganese oxide by reaction of lithium manganese oxide and an aqueous acid solution, thereby producing manganese oxide.
- Lithium reactant 1200 And an air supply means 1310 installed outside the housing 1100, a first air pipe 1320 connected to the air supply means 1310, and installed inside the housing 1100.
- a second air tube 1330 connected to the first air tube 1320 and installed on an inner bottom surface of the housing 1100 to form a hole 1331 for injecting air into the surface thereof, and an interior of the housing 1100.
- aeration means (1300) including an aeration box (1340) is formed in the plurality of pores (1341) is formed in which the air transported from the perforations (1331) is formed.
- the lithium desorption apparatus 2000 is characterized in that a plurality of aeration box 1340 is installed in the housing 1100.
- the aeration means 1300 is characterized in that the perforations 1331 formed in the second air pipe (1330) is formed wider than the pores (1341) formed in the aeration box (1340).
- the lithium desorption apparatus 2000 using the aeration is a tent 1410 installed on the opened upper surface of the housing 1100, and penetrately coupled to the upper surface of the tent 1410 into the interior of the housing 1100.
- An air duct including a blower 1420 to suck generated lithium ions, a support 1430 coupled to a lower end of a circumferential surface of the tent 1410, and a wheel 1440 coupled to a bottom of the support 1430. 1400; characterized in that it further comprises.
- the lithium reactant is inserted into the housing and the lithium ions in the lithium manganese oxide are reacted by the reaction of lithium manganese oxide and an acid aqueous solution stored in the lithium reactant.
- the lithium manganese produced in the second step is reinserted into the interior of the housing, and lithium ions are removed from the lithium manganese oxide by reaction of an acid aqueous solution with lithium manganese oxide stored in the lithium reactant.
- the third step of increasing the reaction rate of the lithium manganese oxide and the acid aqueous solution by the air injected in the operation of the aeration box characterized in that it further comprises.
- Lithium recovery apparatus for seawater using a lithium adsorption facility in the offshore and a lithium separation facility in the offshore performs a lithium adsorption process from seawater and recovers the adsorbed lithium in the offshore where the weather conditions are better than in the far sea. Since it is moved to the offshore facility to be made in the offshore, it is excellent in economic efficiency, the driving time is long because it is less affected by weather conditions, and it is characterized by better safety.
- the lithium recovery apparatus for seawater using the lithium adsorption facility in the offshore and the lithium separation facility in the offshore according to the present invention moves lithium adsorbents such as lithium-adsorbed electrodes along the line in implementing the adsorption lithium moving means.
- the structure supplied to the separating means has a feature that can minimize the process made at sea.
- the lithium recovery apparatus of seawater using the lithium adsorption facility and offshore lithium separation facility in the offshore according to the present invention is to produce a high concentration lithium solution in the offshore supply to the coast through the supply pipe and pump to extract lithium In this case, it is easy to install the supply pipe when the topography from the coast to the coast is flat, so the economy is excellent.
- Lithium recovery station is a floating body floating on the sea; Moving means installed on the floating body to move a lithium adsorbent; An adsorption tank installed in the floating body, the lower surface being opened to communicate with seawater, and the lithium adsorbent absorbing lithium ions while the lithium adsorbent is submerged in the seawater at the lower surface of the floating body; A cage coupled to the lower surface of the adsorption tank for stacking the lithium adsorbent in a state submerged in seawater; A washing tank installed in the floating body and washing the lithium adsorbent in which lithium ions moved from the adsorption tank through the moving means are adsorbed; And a desorption tank installed in the floating body and desorbing lithium ions of the lithium adsorbent to which lithium ions moved from the washing tank through the moving means are adsorbed, thereby eliminating the need for power to introduce seawater. There is an effect that can reduce the power required to recover the lithium contained in the sea as much as possible.
- lithium manganese oxide is desorbed from lithium manganese oxide by reaction of lithium manganese oxide and an acid aqueous solution injected into an acid resistant tank to form manganese oxide. Even when the weight of the oxide is very heavy, it is possible to easily increase the reaction rate of the acid aqueous solution and the lithium manganese oxide by injecting air into the aqueous acid solution and lithium manganese oxide.
- FIG. 1 is a schematic diagram of a lithium recovery apparatus for seawater using a lithium adsorption facility near the present invention and a lithium separation facility off the coast, and a schematic diagram of a form in which lithium is adsorbed and moved.
- FIG. 2 is a schematic diagram showing another embodiment of the lithium recovery apparatus of seawater using the lithium adsorption equipment and offshore lithium separation equipment offshore of the present invention, the schematic diagram of the form having a high concentration lithium solution production means
- FIG. 3 is a schematic view for explaining an example of a lithium adsorption means that is a component of the present invention
- FIG 4 is a schematic view for explaining the arrangement of the first electrode and the second electrode of the lithium adsorption means of the present invention (the first electrode and the second electrode are arranged alternately at intervals, the first electrode and the first electrode Insulation layer is located between two electrodes)
- FIG. 5 is another schematic view for explaining an arrangement structure of a first electrode and a second electrode of a lithium adsorption means, which is a component of the present invention (a plurality of first electrodes are disposed and one second for a plurality of first electrodes) Electrode is placed)
- FIG. 6 is a schematic view showing a structure in which a manganese oxide adsorbent is repeatedly arranged the first electrode and the second electrode, which is a metal electrode coated on both sides;
- FIG. 7 is a perspective view of a lithium recovery station according to the present invention.
- FIG. 8 is a plan view of a lithium recovery station according to the present invention.
- FIG. 9 is a side view of a lithium recovery station in accordance with the present invention.
- FIG. 10 is a perspective view of a lithium desorption apparatus using aeration according to the present invention
- FIG. 11 is a cross-sectional view of an embodiment of the aeration means according to the invention.
- FIG. 12 is a perspective view of an embodiment of a lithium desorption apparatus using aeration according to the present invention
- Figure 13 is a graph showing the dissolution degree of the acid aqueous solution desorbed from the lithium manganese oxide by the reaction of the lithium manganese oxide and the acid aqueous solution according to the experimental example of the lithium desorption apparatus using aeration according to the present invention
- the present invention relates to a lithium recovery apparatus for seawater using a lithium adsorption facility near sea and a lithium separation facility offshore, a lithium recovery station, and a lithium desorption device using aeration.
- the present invention can apply the lithium recovery station to the lithium adsorption means of the lithium recovery apparatus of seawater using the lithium adsorption facility of the sea and the offshore lithium separation facility:
- a lithium desorption apparatus using aeration can be applied to the lithium separation means of the lithium recovery apparatus of seawater using a lithium adsorption facility in the offshore and a lithium separation facility in the offshore.
- FIG. 1 is a schematic diagram of a lithium recovery apparatus for seawater using a lithium adsorption facility near the present invention and a lithium separation facility off the coast, and a schematic diagram of a form in which lithium is adsorbed and moved
- FIG. 2 is a lithium adsorption facility for the present invention.
- a schematic diagram showing another form of a lithium recovery apparatus of seawater using a lithium separation facility off the coast of the seawater is a schematic diagram of a form having a high concentration lithium solution manufacturing means.
- the lithium recovery apparatus of seawater using the lithium adsorption facility and offshore lithium separation facility in the offshore according to the present invention includes a lithium adsorption means 70 for adsorbing lithium contained in the seawater.
- the lithium adsorption means 70 has a lithium separation means 80 for separating lithium adsorbed to obtain lithium.
- lithium adsorption means 70 or the lithium separation means 80 are already known in various forms, a detailed description thereof will be omitted.
- the present invention is to provide a lithium recovery apparatus of seawater having excellent economical efficiency, less influenced by weather conditions, longer driving time, and better safety:
- the inventors of the present application have devised a structure in which a lithium adsorption process is carried out from seawater in a sea where the weather conditions are better than that of a distant sea, and a process of recovering the adsorbed lithium is moved to the sea to be carried out in the sea.
- the lithium adsorption means 70 is located in the water so that the lithium contained in the sea water is adsorbed.
- the lithium separation means 80 is located offshore to separate lithium adsorbed on the lithium adsorption means 70 to obtain lithium.
- the lithium adsorption is carried out offshore in the offshore.
- the present invention has an adsorption lithium moving means (90) for supplying the lithium adsorbed portion of the lithium adsorption means 70 to move to the lithium separation means (80).
- the lithium adsorbed portion may be an electrode coated with an adsorbent including a manganese oxide on the surface of the carrier.
- the lithium-adsorbed electrode of the lithium adsorption means 70 can be supplied to the offshore lithium separation means 80.
- the adsorbed lithium moving means 90 may be in the form of supplying the lithium adsorbed lithium adsorbed along the line to the lithium separating means 80.
- the process of separating and moving the lithium-adsorbed portion from the lithium adsorption means 70 may be performed by manual labor, or may be performed automatically by a robot or the like.
- the above structure is a structure in which lithium adsorbed portion itself is supplied from offshore to the coast:
- a high concentration lithium-containing solution was made in the offshore, and a high concentration lithium-containing solution was supplied to the coast through a pipe to devise a structure in which lithium was extracted and recovered from the coast.
- the structure for this purpose has a lithium adsorption means 70 is located in the water to allow the lithium contained in the sea water to be adsorbed.
- a high concentration lithium solution manufacturing means 85 is located in the water to separate the lithium adsorbed to the lithium adsorption means 70 to a high concentration lithium-containing solution.
- the lithium extraction means 86 which is located in the coast, and receives the high concentration lithium solution obtained by the high concentration lithium solution manufacturing means 85 of the offshore, and extracts lithium.
- a lithium solution supply means 95 for supplying the high concentration lithium solution obtained by the high concentration lithium solution manufacturing means 85 to the lithium extraction means 86:
- the high concentration lithium solution manufacturing means (85) is used to separate the adsorbed lithium by using a chemical such as hydrochloric acid or the like by changing the polarity of the electricity to be included in the solution to be a high concentration lithium-containing solution. It can be implemented in the form of
- the lithium extraction means 86 may be implemented in the form of manufacturing high purity lithium and various kinds of lithium compounds through known chemical treatment processes.
- the lithium solution supply means 95 includes a supply pipe 95a connecting the high concentration lithium solution manufacturing means 85 and the lithium extraction means 86 and a pump 95b supplying the high concentration lithium solution to the supply pipe 95a. It can be implemented in the form having.
- the high concentration lithium solution is prepared in the offshore and supplied to the coast through the supply pipe (95a) and the pump (95b) so that the extraction of lithium has the advantage that the cost required for the connection from the offshore to the coast.
- the lithium adsorption means 70 needs to be excellent in adsorption efficiency.
- FIG. 3 has a first electrode 10 coated with an adsorbent 12 containing manganese oxide on a surface of a carrier 11.
- electricity is applied to the first electrode 10 and the second electrode 20, and a cathode (-pole) and an anode (+ pole) are respectively applied to the first electrode 10 and the second electrode 20. It has a power supply 30 that can be.
- This structure allows lithium ions to rapidly and deeply diffuse into the adsorbent 12 to be replaced with hydrogen ions for adsorption.
- the high concentration lithium solution manufacturing means 85 changes the polarity of electricity applied to the first electrode 10 and the second electrode 20 so that an anode (+ pole) is applied to the first electrode 10 and the second
- the cathode 20 may be implemented in a form including a cathode (-pole) to be applied to the electrode 20.
- the acid concentration of the desorption liquid used to desorb the adsorbed lithium can be a dilute acid solution, so that the adsorbent can be repeatedly used for a long time:
- lithium is separated by changing the polarity of electricity applied to the first electrode 10 and the second electrode 20 while the first electrode 10 and the second electrode 20 are immersed in a dilute acidic solution, and thus high concentrations of lithium are separated. It is to make lithium solution of:
- it may further include a fresh water supply means for supplying fresh water to the lithium adsorption means 70 or the surrounding facilities located in the water.
- Such fresh water can be used for washing and the like.
- the fresh water supply means can be implemented in the form of a fresh water supply pipe and a supply pump connecting the coast and the coast.
- Reference numeral 40 is a voltmeter, 50 is an ammeter, and 60 is an insulating layer:
- Lithium recovery station according to the present invention
- FIG. 7 is a perspective view of a lithium recovery station according to the present invention
- FIG. 8 is a plan view of a lithium recovery station according to the present invention
- FIG. 9 is a side view of a lithium recovery station according to the present invention.
- the lithium recovery station 1000 is a floating body 100, moving means 200, adsorption tank 300, cage 310, washing tank 400, It may be configured to include a removable tank (500).
- the float 100 is installed on the sea, it may be formed in the form of a plate.
- the floating body 100 may be made of a floating material or a non-powered vessel such as a barge, the upper side may be formed in a rectangular cylinder shape, but the present invention is not limited thereto.
- the moving unit 200 is installed on the upper surface of the floating body 100, and serves to move the lithium adsorbent 110 to the adsorption tank 300, the washing tank 400, the desorption tank 500, respectively.
- the lithium adsorbent 110 may be a high selectivity lithium adsorbent 110 capable of adsorbing lithium by ion exchange, and may be a manganese oxide.
- the manganese oxide is preferably a spinel manganese oxide, in particular a spinel manganese oxide having a three-dimensional tunnel structure, the formula H n Mn 2-x O 4 (wherein 1 ⁇ n ⁇ 1.33, 0 ⁇ x ⁇ 0.33 , n ⁇ 1 + x), more preferably H 1.33 Mn 1.67 O 4 , but is not limited thereto: modified manganese oxide such as H 1.6 Mn 1.6 O 4 , which has improved performance. It can also be used in the present invention.
- the manganese oxide may be formed with a plurality of dimples (not shown) for adsorption of lithium ions on the surface.
- the adsorption tank 300 is installed on the lower surface of the floating body 100, and is coupled to the lower surface of the floating body 100, the upper and lower surfaces are opened to communicate with the sea water, the moving means 200 As a result, the lithium adsorbent 110 passes through the upper and lower surfaces of the adsorption tank 300, and is exposed to the sea water located below the adsorption tank 300. Is adsorbed.
- the adsorption tank 300 induces a lithium adsorption reaction by exposing the lithium adsorbent 110 to sea water without forcing the sea water into the lithium adsorbent 110.
- the cage 310 is coupled to the lower surface of the adsorption tank 300 and positioned in the sea water, and the lithium adsorbent 110 passing through the upper and lower surfaces of the adsorption tank 300 is stacked.
- the cage 310 may be formed in the shape of a frame 230, and serves to prevent the lithium adsorbent 110 passing through the upper and lower surfaces of the adsorption tank 300 from contacting the ground of the sea.
- the cage 310 is preferably made of stainless steel to prevent corrosion to the sea water as much as possible.
- the washing tank 400 is installed on the upper surface of the floating body 100, the upper surface is opened and the washing liquid is accommodated therein is the lithium ion moved by the moving means 200 in the adsorption tank 300 is adsorbed The lithium adsorbent 110 is washed.
- the washing tank 400 serves to wash sea salt and impurities buried in the lithium adsorbent 110 to which lithium ions are adsorbed.
- the desorption tank 500 is installed on the upper surface of the floating body 100, the upper surface is open, the lithium adsorbent 110 adsorbed lithium ions moved by the moving means 200 in the washing tank 400 Desorbs lithium ions.
- the desorption tank 500 may recover a liquid containing lithium ions desorbed from the lithium adsorbent 110.
- the lithium recovery station is a floating body floating on the sea;
- a moving unit installed in the floating body and configured to move the lithium adsorbent 110;
- An adsorption tank installed in the floating body, the lower surface of which is open to communicate with seawater, and the lithium adsorbent 110 adsorbs lithium ions in a state submerged in the seawater of the lower surface of the floating body;
- a cage coupled to a lower surface of the adsorption tank and configured to stack the lithium adsorbent 110 in a state submerged in seawater;
- a washing tank installed in the floating body and washing the lithium adsorbent 110 adsorbed with lithium ions moved from the adsorption tank through the moving means;
- a desorption tank installed in the floating body and desorbing lithium ions of the lithium adsorbent 110 to which lithium ions moved from the washing tank through the moving means are adsorbed.
- the floating body 100 is a storage liquid storage tank (not shown) for storing the cleaning liquid supplied to the cleaning tank 400 and the lithium desorption liquid storage for storing the lithium desorption liquid desorbed from the desorption tank (500) It may further comprise a tank (not shown).
- the washing liquid storage tank and the lithium desorption liquid storage tank may be installed inside the floating body 100, respectively.
- the lithium desorption liquid storage tank may store a solution containing the lithium desorption liquid desorbed from the desorption tank (500): At this time, the desorption tank (500) in a predetermined amount so that lithium ions can be contained The solution can be stored.
- the floating body 100 may further include a lithium ion transport means (not shown) for supplying the lithium desorption liquid desorbed from the desorption tank 500 to the coast or the land adjacent to the coast.
- a lithium ion transport means (not shown) for supplying the lithium desorption liquid desorbed from the desorption tank 500 to the coast or the land adjacent to the coast.
- the lithium ion transport means may be composed of a first connection pipe connecting the desorption tank 500 and the coast or the land adjacent to the desorption tank and the coast.
- the floating body 100 may further comprise a washing liquid conveying means (not shown) for supplying the washing liquid required for the washing tank 400 from the coast or the shore adjacent to the coast.
- a washing liquid conveying means (not shown) for supplying the washing liquid required for the washing tank 400 from the coast or the shore adjacent to the coast.
- the washing liquid transporting means is a washing liquid storage tank (not shown) located on the coast and the desorption tank 500 or a second connection pipe connecting the washing liquid storage tank (not shown) located on the shore adjacent to the coast and the desorption tank 500. It may be configured as.
- the moving means 200 may be configured to include a crane 210, chain 220, frame 230.
- the crane 210 is installed on the upper surface of the floating body 100, it is possible to rotate in the vertical axis of the rotation.
- the chain 220 is connected to the crane 210, it may be configured to be adjustable in the longitudinal direction:
- the chain 220 may be formed in a belt shape.
- a first fastening ring (not shown) may be coupled to one side of the crane 210 to hang the chain 220.
- the frame 230 is connected to the chain 220 and the manganese oxide is received therein.
- a second fastening ring (not shown) may be coupled to one side of the frame 230 to hang the chain 220.
- the lithium recovery station 1000 may further include a power generation means 600 and a storage tank 700 such as diesel power generation and solar heat.
- the power generating means 600 is installed on the upper surface of the floating body 100, and generates electric power by using diesel power and solar heat to supply to the heating and cooling equipment of the crane 210 and the floating body 100, cabin. It plays a role.
- the power generation unit 600 is a deck, a solar panel that generates power using solar heat on the upper side may be configured.
- the storage tank 700 is installed on the upper surface of the floating body 100, the lithium desorption liquid desorbed from the desorption tank 500 is stored.
- Lithium ions stored in the reservoir 700 may be stored in an ionic state or an aqueous solution state and supplied to the ground.
- the lithium recovery station 1000 may further include a support means 800 for fixing the floating body 100 to the ground of the sea.
- the support means 800 may be configured to include a support 810 and a connecting line 820.
- the support 810 is fixed to the offshore ground located around the floating body 100.
- the connecting line 820 connects the struts 810 and the floating body 100.
- the floating body 100 can move only in a certain range by the support means (800).
- FIG. 10 is a perspective view of a lithium desorption apparatus using aeration according to the present invention.
- the lithium desorption apparatus 2000 using aeration may include a housing 1100, a lithium reactant 1200, and an aeration means 1300.
- the housing 1100 may be formed in a rectangular parallelepiped shape in which an upper surface thereof is opened, and an acid aqueous solution is stored therein.
- the acid aqueous solution may be 0.5 mol or less hydrochloric acid (HCI) aqueous solution.
- HCI hydrochloric acid
- the housing 1100 may be used as the polymer material according to the present invention without being limited as long as it is a material having excellent mechanical strength that does not dissolve in water and maintains chemical resistance and pore size that does not react with an acid, especially a weak acid.
- the polymer material is at least one material selected from the group consisting of polysulfone, polyethersulfone, polyethylene, polypropylene, polyvinyl chloride, mixtures and copolymers thereof, but the present invention is limited thereto. Not.
- the lithium reactant 1200 has an outer wall formed of a porous polymer film, and lithium manganese oxide is stored therein, and is inserted into the housing 1100 to form lithium ions in lithium manganese oxide by reaction of lithium manganese oxide and an aqueous acid solution.
- the first step of desorption to form manganese oxide and the reaction of manganese oxide and seawater inserted in seawater and the reaction of lithium ions contained in the seawater to the manganese oxide adsorb the lithium manganese oxide.
- the second process is to be inserted into the inside of the housing 1100, the lithium ions are desorbed from the lithium manganese oxide by the reaction of the acid solution and the lithium manganese oxide produced in the second process to form a manganese oxide Three steps are performed.
- the lithium reactant 1200, the outer wall is made of a porous polymer film, it is possible to enter and exit the acid aqueous solution and seawater without the pressure received from the outside.
- the lithium reactant 1200 is preferably manufactured by using a polymer material having excellent chemical resistance to the seawater and acid aqueous solution and excellent mechanical strength to keep the size of the pores constant.
- the lithium manganese oxide stored in the lithium reactant 1200 is preferably a spinel type lithium manganese oxide, particularly, a spinel type lithium manganese oxide having a three-dimensional tunnel structure, and may be made of the following Chemical Formula 1 or the following Chemical Formula 2. have.
- the aeration means 1300 is configured to increase the reaction rate of the lithium manganese oxide and the acid solution located inside the housing 1100, the air supply means 1310, the first air pipe 1320, the second It is configured to include an air pipe 1330, and an aeration box 1340.
- the air supply means 1310 is installed on the outside of the housing 1100 and is a technique known as an air compressor in which compressed air is generated, so a detailed description thereof will be omitted.
- the first air pipe 1320 is a connection pipe connected to the air supply means 1310 and may be formed in a structure extending from the upper surface of the housing 1100 to the lower surface.
- the second air pipe 1330 is connected to the first air pipe 1320 and is installed on the inner bottom surface of the housing 1100 and is provided with a hole 1331 in which air is injected onto the upper surface.
- the air supplied from the air supply means 1310 is injected into the perforations 1331.
- the aeration box 1340 is installed in the housing 1100 to face the perforation 1331, and a plurality of pores 1341 are formed to uniformly divide the air supplied from the air supply means 1310. do.
- the aeration box 1340 is the housing 1100 to allow the air to stay in the interior of the housing 1100 to the maximum in consideration that the air injected from the pores (1341) rise by natural convection It is preferable to be installed in the lower side of the inside.
- the lithium desorption apparatus 2000 using aeration in a process in which lithium ions are desorbed from lithium manganese oxide by the reaction of an acid aqueous solution with lithium manganese oxide injected into an acid resistant tank, Even when the weight of the lithium manganese oxide is very heavy by using the aeration means 1300, it is possible to easily increase the reaction rate of the acid aqueous solution and the lithium manganese oxide by injecting air into the acid aqueous solution and the lithium manganese oxide.
- the aeration box 1340 may be provided in a plurality of arranged in the inner lower side of the housing 1100.
- FIG. 11 is a sectional view of an embodiment of the aeration means according to the invention.
- an embodiment of the aeration means 1300 according to the present invention may further include a first air deck 1350 and a second air deck 1360.
- the first air deck 1350 is installed in the perforations 1331, and the air supplied from the air supply means 1310 to the perforations 1331 is divided into a uniform size to be injected into the pores 1341.
- a plurality of first split holes 1351 are formed.
- the first dividing holes 1351 are formed in a predetermined area of the first air deck 1350, respectively, and may be formed in a circular or elliptical shape.
- the second air deck 1360 is installed in the perforations 1331, the first air deck 1350 and the perforations are installed at a predetermined interval spaced in the air injection direction of the perforations 1331, the first split hole ( A plurality of second dividing holes 1361 are formed to divide the air passing through the lines 1351 into a uniform size again.
- the air divided into a uniform size while passing through the first dividing holes (1351) is again divided into a uniform size while passing through the second dividing holes (1361) and uniform again through the pores (1341).
- it is injected into the housing 1100 to have a flow force of a uniform size for each predetermined region inside the housing 1100.
- the air injected into the interior of the housing 1100 has a flow force of a uniform size for each predetermined region within the housing 1100, acid solution
- the reaction rate of the lithium manganese oxide has a uniform effect for each predetermined region in the housing 1100.
- FIG. 12 is a perspective view of an embodiment of a lithium desorption apparatus using aeration according to the present invention.
- an embodiment of a lithium desorption apparatus 2000 using aeration according to the present invention includes a tent 1410, a blower 1420, a support 1430, and a wheel 1440. .
- the tent 1410 covers the opened upper surface of the housing 1100 to block lithium ions generated by the reaction of lithium manganese oxide and an acid aqueous solution from being discharged to the outside of the housing 1100. Play a role.
- the blower 1420 penetrates through an upper surface of the tent 1410 to suck lithium ions generated in the housing 1100.
- the support 1430 is configured to be coupled to the lower end of the circumferential surface of the tent 1410 and surrounds the circumferential surface of the housing 1100 and serves to support the housing 1100.
- the wheel 1440 is coupled to the lower end of the support 1430, and serves to allow the housing 1100 and the air duct 1400 to move freely.
- Lithium desorption method using a lithium desorption apparatus using aeration is the lithium ion in the lithium manganese oxide by the reaction of the lithium manganese oxide and acid solution stored in the lithium reactant is inserted into the housing of the lithium reactant
- the first step of the desorption to produce manganese oxide, the reaction rate of the lithium manganese oxide and the acid aqueous solution is increased by the air injected from the pores of the aeration box;
- reaction rate of the lithium manganese oxide and the acid aqueous solution stored in the lithium reactant is increased by the air injected from the pores of the aeration box.
- the lithium manganese produced in the second step is reinserted into the interior of the housing, and lithium ions are removed from the lithium manganese oxide by reaction of an acid aqueous solution with lithium manganese oxide stored in the lithium reactant.
- the third step of increasing the reaction rate of the lithium manganese oxide and the acid aqueous solution by the air injected in the operation of the aeration box may be configured to further include.
- reaction rate of the lithium manganese oxide and the acid aqueous solution stored in the lithium reactant is increased again by the air injected from the pores of the aeration box.
- the reaction rate of the lithium manganese oxide and the acid aqueous solution stored in the lithium reactant is increased by the air injected from the pores of the aeration box, so that the weight of the lithium reactant is changed to ton face. Even in the case of very heavy, there is an advantage that can easily increase the reaction rate of the lithium manganese oxide and acid solution stored in the lithium reactant.
- Factors that determine the efficiency of the lithium desorption process may be the concentration of the acid aqueous solution accommodated in the housing 1100 and the concentration of lithium concentrated in the acid aqueous solution.
- the concentration of the acid solution can be as low as possible while the concentration of a large amount of lithium can be concentrated through repeated use of the acid solution at a level that does not lower the desorption reaction efficiency can increase the efficiency of lithium desorption.
- the lithium desorption apparatus 2000 using aeration In the lithium desorption apparatus 2000 using aeration according to the present invention, 800L (or 1600L) of 0.3 mol hydrochloric acid aqueous solution is injected into the housing 1100, and 8 kg of lithium manganese oxide is used as the lithium reactant 1200. Or 16 kg) and injects air into the housing 1100 using the aeration means 1300, and then reacts lithium by reaction of an acid solution with lithium manganese oxide injected into the housing 1100. Extractability of lithium and manganese ions dissolved in manganese oxide was measured.
- FIG. 13 is a graph showing a dissolution degree in which lithium and manganese ions are dissolved in lithium manganese oxide by reaction of lithium manganese oxide and an acid aqueous solution according to an experimental example of a lithium desorption apparatus using aeration according to the present invention.
- the dissolution degree of lithium ions was about 80%, and the dissolution degree of manganese ions was 10%, and after 2 days, the dissolution degree of lithium ions was about 95%.
- the solubility of manganese ions was 20%.
- lithium reactant 1200 is a manganese oxide in which lithium ions are adsorbed instead of lithium manganese oxide
- more than 95% of lithium may be desorbed in a short reaction time of about 2 to 3 hours.
- the dissolution degree of lithium ions of the lithium desorption apparatus 2000 using aeration according to the present invention is very efficient.
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Abstract
Description
Claims (18)
- 해수에 포함된 리튬을 회수하는 장치에 있어서.근해에 위치되어 해수에 포함된 리튬이 흡착되도록 하는 리튬흡착수단(70);연안이나 연안에 인접한 육상에 위치되어 상기 리튬흡착수단(70)에 흡착된 리튬을 분리하여 리튬을 얻는 리튬분리수단(80);상기 리튬흡착수단(70) 중 리튬이 흡착된 부분을 리튬분리수단(80)으로 이동시켜 공급하는 흡착리튬이동수단(90);을 포함하여 구성된, 근해의 리튬 흡착설비와 연안의 리튬 분리설비를 사용한 해수의 리튬 회수장치.
- 제 1항에 있어서,상기 흡착리튬이동수단(90)은 리튬이 흡착된 리튬흡착체를 선로를 따라 이동시켜 리튬분리수단(80)으로 공급하는, 근해의 리튬 흡착설비와 연안의 리튬 분리설비를 사용한 해수의 리튬 회수장치.
- 해수에 포함된 리튬을 회수하는 장치에 있어서,근해에 위치되어 해수에 포함된 리튬이 흡착되도록 하는 리튬흡착수단(70);근해에 위치되어 상기 리튬흡착수단(70)에 흡착된 리튬을 분리하여 고농도의 리튬 함유용액이 되도록 하는 고농도리튬용액제조수단(85);연안이나 연안에 인접한 육상에 위치되어 상기 고농도리튬용액제조수단(85)에 의해 얻어진 고농도리튬용액을 공급받아 리튬을 추출하는 리튬추출수단(86);상기 고농도리튬용액제조수단(85)에 의해 얻어진 고농도리튬용액을 리튬추출수단(86)으로 공급하는 리튬용액공급수단(95);을 포함하여 구성된, 근해의 리튬 흡착설비와 연안의 리튬 분리설비를 사용한 해수의 리튬 회수장치.
- 제 3항에 있어서,상기 리튬용액공급수단(95)은 고농도리튬용액제조수단(85)과 리튬추출수단(86)을 연결하는 공급배관(95a) 및 상기 공급배관(95a)으로 고농도리튬용액을 공급하는 펌프(95b)를 갖는, 근해의 리튬 흡착설비와 연안의 리튬 분리설비를 사용한 해수의 리튬 회수장치.
- 제 1항 내지 제 4항 중 어느 한 항에 있어서,상기 리튬흡착수단(70)은, 담체(11) 표면에 망간산화물을 포함하는 흡착제(12)가 코팅되어 있는 제1전극(10);리튬을 함유하고 있는 해수에 침지되는 것으로서 상기 제1전극(10)과 간격을 두고 마주보는 형태로 위치되며 전기가 인가되는 제2전극(20); 및상기 제1전극(10)과 제2전극(20)에 전기를 인가하도록 되어 있되 제1전극(10)과 제2전극(20)에 음극(-극)과 양극(+극)을 각각 인가할 수 있는 전원공급장치;를 포함하여 구성된, 근해의 리튬 흡착설비와 연안의 리튬 분리설비를 사용한 해수의 리튬 회수장치.
- 해상에 부유되는 부유체(100);상기 부유체(100)에 설치되며, 리튬 흡착제(10)를 이동시키기 위한 이동수단(200);상기 부유체(100)에 설치되며, 하면이 개구되어 해수와 연통되고, 리튬 흡착제(10)가 부유체 하면의 해수에 잠긴 상태에서 리튬 이온을 흡착하기 위한 흡착조(300);상기 흡착조(300)의 하면에 결합되며, 상기 리튬 흡착제(10)를 해수에 잠긴 상태로 적층하기 위한 케이지(310);상기 부유체(100)에 설치되며, 상기 이동수단(200)을 통해 상기 흡착조(300)에서 이동된 리튬 이온이 흡착된 리튬 흡착제(10)를 세척하기 위한 세척조(400); 및상기 부유체(100)에 설치되며, 상기 이동수단(200)을 통해 상기 세척조(400)에서 이동된 리튬 이온이 흡착된 리튬 흡착제(10)의 리튬 이온을 탈착하기 위한 탈착조(500);를 포함하는 것을 특징으로 하는 리튬 회수 스테이션(1000).
- 제6항에 있어서, 상기 부유체(100)는상기 세척조(400)에 공급되는 세척액을 저장하기 위한 세척액 저장 탱크와 상기 탈착조(500)에서 탈착된 리튬 탈착액을 저장하기 위한 리튬 탈착액 저장 탱크를 더 포함하는 것을 특징으로 하는 리튬 회수 스테이션(1000).
- 제6항에 있어서, 상기 부유체(100)는상기 탈착조(500)에서 탈착된 리튬 탈착액을 연안 또는 연안에 인접한 육상으로 공급하기 위한 리튬 탈착액 이송수단을 더 포함하는 것을 특징으로 하는 리튬 회수 스테이션(1000).
- 제8항에 있어서, 상기 부유체(100)는연안 또는 연안에 인접한 육상으로부터 상기 세척조(400)에 필요한 세척액을 공급받기 위한 세척액 이송수단을 더 포함하는 것을 특징으로 하는 리튬 회수 스테이션(1000).
- 제6항에 있어서, 상기 이동수단(200)은상기 부유체(100)에 설치되는 크레인(210),상기 크레인(210)과 연결되는 체인(220), 및상기 체인(220)과 연결되며 내부에 리튬 흡착제(10)가 수납되는 프레임(230)을 포함하는 것을 특징으로 하는 리튬 회수 스테이션(1000).
- 제6항에 있어서, 상기 리튬 회수 스테이션(1000)은상기 부유체(100)에 설치되며, 디젤발전 및 태양열을 이용해 전력을 생산하여 상기 크레인(210)에 공급하는 발전수단(600)을 더 포함하는 것을 특징으로 하는 리튬 회수 스테이션(1000).
- 제6항에 있어서, 상기 리튬 회수 스테이션(1000)은상기 부유체(100)의 주변에 위치하는 해상 지반에 고정되는 다수의 지주(810), 상기 지주(810)들과 상기 부유체(100)를 연결하는 다수의 연결줄(820)을 포함하는 지지수단(800);을 더 포함하는 것을 특징으로 하는 리튬 회수 스테이션(1000).
- 상면이 개구되며, 내부에 산 수용액이 저장되는 하우징(1100);외벽이 다공성고분자막으로 이루어지며 내부에 리튬 망간 산화물이 저장되며, 상기 하우징(1100)의 내부에 삽입되어 리튬 망간 산화물과 산 수용액의 반응에 의해 리튬 망간 산화물에서 리튬 이온이 탈착되어 망간 산화물이 생성되는 리튬 반응체(1200); 및상기 하우징(1100)의 외측에 설치되는 에어공급수단(1310)과, 상기 에어공급수단(1310)과 연결되며 상기 하우징(1100)의 내부에 설치되는 제1에어관(1320)과, 상기 제1에어관(1320)과 연결되며 상기 하우징(1100)의 내부 바닥면에 설치되어 표면에 에어가 분사되는 타공(1331)이 형성되는 제2에어관(1330)과, 상기 하우징(1100)의 내부에 설치되어 상기 타공(1331)에서 이송된 에어가 분사되는 다수의 기공(1341)이 형성되는 폭기박스(1340)를 포함하는 폭기수단(1300);을 포함하는 것을 특징으로 하는 에어레이션을 이용한 리튬 탈착 장치(2000).
- 제13항에 있어서, 상기 리튬 탈착 장치(2000)는상기 폭기박스(1340)가 상기 하우징(1100)의 내부에 다수개 설치되는 것을 특징으로 하는 에어레이션을 이용한 리튬 탈착 장치(2000).
- 제13항에 있어서, 상기 폭기수단(1300)은상기 제2에어관(1330)에 형성된 타공(1331)이 상기 폭기박스(1340)에 형성된 기공(1341)보다 넓게 형성되는 것을 특징으로 하는 에어레이션을 이용한 리튬 탈착 장치(2000).
- 제13항에 있어서, 상기 에어레이션을 이용한 리튬 탈착 장치(2000)는상기 하우징(1100)의 개구된 상면에 설치되는 천막(1410)과, 상기 천막(1410)의 상면에 관통 결합되어 상기 하우징(1100)의 내부에 생성되는 리튬 이온을 흡입하는 블로워(1420)와, 상기 천막(1410)의 둘레면 하단에 결합되는 지지대(1430), 및 상기 지지대(1430)의 하단에 결합되는 바퀴(1440)를 포함하는 에어덕트(1400);를 더 포함하는 것을 특징으로 하는 에어레이션을 이용한 리튬 탈착 장치(2000).
- 제13항의 에어레이션을 이용한 리튬 탈착 장치를 이용한 리튬 탈착 방법에 있어서,상기 리튬 반응체가 상기 하우징의 내부에 삽입되어 상기 리튬 반응체에 저장된 리튬 망간 산화물과 산 수용액의 반응에 의해 상기 리튬 망간 산화물에서 리튬 이온이 탈착되어 망간 산화물이 생성되되, 상기 폭기박스의 기공들에서 분사된 에어에 의해 리튬 망간 산화물과 산 수용액의 반응속도가 증가되는 제1공정; 및해수에 삽입되어 상기 제1공정에서 생성된 망간 산화물과 해수의 반응에 의해 망간 산화물에 해수에 함유된 리튬 이온이 흡착되어 다시 리튬 망간 산화물이 생성되는 제2공정;을 포함하는 것을 특징으로 하는 리튬 탈착 방법.
- 제17항에 있어서, 상기 리튬 탈착 방법은상기 제2공정에서 생성된 리튬 망간물이 상기 하우징의 내부에 다시 삽입되어 상기 리튬 반응체에 저장된 리튬 망간 산화물과 산 수용액의 반응에 의해 상기 리튬 망간 산화물에서 리튬 이온이 탈착되어 망간 산화물이 생성되되, 상기 폭기박스의 기동들에서 분사된 에어에 의해 리튬 망간 산화물과 산 수용액의 반응속도가 증가되는 제3공정;을 더 포함하는 것을 특징으로 하는 리튬 탈착 방법.
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US15/021,668 US10385423B2 (en) | 2013-09-12 | 2014-08-28 | 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 |
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KR1020130116206A KR101383299B1 (ko) | 2013-09-30 | 2013-09-30 | 리튬 회수 스테이션 |
KR10-2013-0116206 | 2013-09-30 | ||
KR20130123073A KR101347081B1 (ko) | 2013-10-16 | 2013-10-16 | 에어레이션을 이용한 리튬 탈착 장치 |
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CN109264835B (zh) * | 2018-10-09 | 2021-08-06 | 天津科技大学 | 一种连续式电化学元素提取*** |
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