WO2017052021A1 - Appareil pour collecter des ions métalliques utiles à partir d'une solution aqueuse et procédé pour collecter des ions métalliques utiles l'utilisant - Google Patents

Appareil pour collecter des ions métalliques utiles à partir d'une solution aqueuse et procédé pour collecter des ions métalliques utiles l'utilisant Download PDF

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Publication number
WO2017052021A1
WO2017052021A1 PCT/KR2016/004655 KR2016004655W WO2017052021A1 WO 2017052021 A1 WO2017052021 A1 WO 2017052021A1 KR 2016004655 W KR2016004655 W KR 2016004655W WO 2017052021 A1 WO2017052021 A1 WO 2017052021A1
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Prior art keywords
ion recovery
recovery column
metal ions
washing water
column
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PCT/KR2016/004655
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English (en)
Korean (ko)
Inventor
류태공
김병규
정강섭
류정호
홍혜진
박인수
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한국지질자원연구원
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Publication of WO2017052021A1 publication Critical patent/WO2017052021A1/fr

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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
    • C22B3/02—Apparatus therefor
    • 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
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
    • 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
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B3/22—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition
    • C22B3/24—Treatment or purification of solutions, e.g. obtained by leaching by physical processes, e.g. by filtration, by magnetic means, or by thermal decomposition by adsorption on solid substances, e.g. by extraction with solid resins
    • 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
    • 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
    • C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Definitions

  • the present invention relates to an apparatus for recovering a useful metal ion from an aqueous solution and a method for recovering a useful metal ion using the same. More specifically, the present invention relates to a useful metal ion recovery apparatus for recovering metal ions from an aqueous solution in which metal ions are dissolved, in particular, a low salt lake having a low concentration of ions, an etchant generated in an industry, and a method for recovering useful metal ions using the same. will be.
  • the waste liquid generated during the chemical process contains a catalyst. Most of these catalysts are valuable metals. In order to recover these useful metals in the form of metals and recycle them in the waste liquid, recovery processes through wet or dry processes are used.
  • the present invention can be reused by circulating without washing the discharged water, and useful metal ion recovery apparatus for adsorbing and recovering metal ions dissolved in an aqueous solution through an integrated process, and the same.
  • An object of the present invention is to provide a useful metal ion recovery method.
  • the present invention to achieve the above object is an adsorption-desorption reaction tank having at least one ion recovery column for adsorbing metal ions in the supplied aqueous solution;
  • a washing water storage tank in which washing water supplied to the ion recovery column to which metal ions are adsorbed is stored;
  • it provides a useful metal ion recovery apparatus comprising a leaching liquid storage tank is stored in the leaching liquid to elute the adsorbed metal ions to the ion recovery column.
  • the useful metal ion recovery device may further include a first circulation passage for supplying the aqueous solution discharged through the ion recovery column back to the ion recovery column.
  • the CDI module for deionizing the solution discharged from the aqueous solution or the washing water passing through the ion recovery column; And a second circulation passage for communicating the ion recovery column with the CDI module to introduce the solution into the CDI module, wherein the solution passing through the CDI module is supplied to the wash water storage tank or the ion recovery column. It is done.
  • the apparatus may further include a third circulation passage through which the leachate discharged through the ion recovery column is introduced into the leachate storage tank.
  • the ion recovery column may further include: a column housing having an inlet through which the aqueous solution is introduced and an outlet disposed on an opposite side of the inlet; And an adsorbent disposed inside the column housing in a state surrounded by a filter or a porous mesh to adsorb metal ions in the aqueous solution, wherein the column housing includes a plurality of branch passages that branch the flow path of the introduced aqueous solution. By passing through the adsorbent in the aqueous solution is a branched state.
  • the washing water is supplied to the ion recovery column to wash the ion recovery column, or the leachate is supplied to the ion recovery column to elute ions adsorbed on the ion recovery column, and then remains in the ion recovery column. It may further include a flushing unit for supplying the washing water or air for removing the leaching liquid to the ion recovery column.
  • the CDI module electrically adsorbs ions in the solution introduced into the inside or desorbs the adsorbed ions into the solution, and removes the ions desorbed from the CDI module to the wash water stored in the wash water reservoir to the CDI And a washing water discharge passage for discharging the washing water supply channel to be supplied to the module, and the washing water discharged to the ion recovery column after being supplied to the CDI module and discharged to the ion recovery column.
  • the present invention (a) adsorbing the metal ion in the aqueous solution by permeating the aqueous solution to the ion recovery column for adsorbing the metal ions in the aqueous solution; (b) supplying deionized wash water to the ion recovery column to remove ions not adsorbed to the ion recovery column from the ion recovery column; And (c) supplying the leachate to the washed ion recovery column to elute the adsorbed metal ions, and then introducing the leachate containing the eluted metal ions into the leachate storage tank.
  • a recovery method Provide a recovery method.
  • the useful metal ion recovery method is a deionized by supplying the solution discharged through the ion recovery column to the CDI module between the step (a) and the step (b) after deionization, And storing the wash water generated by ionization in a wash water reservoir.
  • step (b) the washing water is deionized by supplying the discharged solution through the ion recovery column to the CDI module, and then the washing water generated by deionization of the solution is washed. It further comprises the step of storing in the reservoir.
  • the washed water containing the leachate discharged from the ion recovery column is introduced into the CDI module to be deionized, and the deionized wash water is supplied to the ion recovery column or the wash water storage tank.
  • the present invention can be continuously supplied by reusing the washing water often used in the process of adsorption, desorption and recovery of the metal ions in the aqueous solution without being discharged to the outside environment-friendly, it is possible to recover the useful metal ions through an integrated process to recover the ion There is an effect that can significantly reduce the energy required for.
  • FIG. 1 is a schematic diagram of a useful metal ion recovery apparatus according to a preferred embodiment of the present invention.
  • Figure 2 is a cross-sectional view of the ion recovery column provided in the adsorption-desorption reaction tank of the useful metal ion recovery apparatus according to a preferred embodiment of the present invention.
  • FIG. 3 is a graph comparing seawater flow rate through the ion recovery column of FIG. 2 with a conventional ion recovery reaction column.
  • FIG. 4 is a view showing a circulation path of the washing water in the useful metal ion recovery apparatus according to a preferred embodiment of the present invention.
  • Figure 5 is a schematic diagram of a CDI module provided in the useful metal ion recovery apparatus according to a preferred embodiment of the present invention.
  • FIG. 6 is an enlarged view of a portion 'A' of FIG. 5.
  • Figure 7 is a flow chart for explaining the useful metal ion recovery method using the useful metal ion recovery apparatus according to a preferred embodiment of the present invention.
  • FIG. 1 is a schematic diagram of a useful metal ion recovery apparatus according to a preferred embodiment of the present invention.
  • the useful metal ion recovery apparatus 100 is for recovering metal ions from an aqueous solution in which the useful metal ions are dissolved, such as low salt lake or an industrial by-product etching solution.
  • the useful metal ion recovery apparatus 100 has an adsorption and desorption reaction tank having at least one ion recovery column 140 (see FIG. 4) for adsorbing metal ions dissolved in the supplied aqueous solution. 130, the wash water storage tank 210 in which the wash water supplied to the ion recovery column 140 in which the metal ions are adsorbed is stored, and the leachate storage tank 320 in which the leachate is supplied to the ion recovery column 140 to elute the adsorbed metal ions. ).
  • the apparatus further includes flow paths constituting a flow path of a solution such as an aqueous solution containing ions, washing water, and a leachate, and a valve and a pump installed on the flow path.
  • the aqueous solution in which the metal ions are dissolved is stored in the aqueous solution storage tank 110 and then introduced into the ion recovery column 140 through an inflow passage 120 communicating with the ion recovery column 140 of the adsorption-desorption reaction tank 130. .
  • an inflow valve 122 may be installed between the aqueous solution storage tank 110 and the inflow passage 120 to allow or block the inflow of the aqueous solution into the inflow passage 120.
  • the inflow valve 122 serves to switch the flow path in which the solution is introduced into the inflow passage 120 from the wash water storage tank 210 and the leachate storage tank 320.
  • the inlet valve 122 is installed at the contact point of the passages through which the solution is discharged from the aqueous solution reservoir 110, the washing water storage tank 210, and the leachate storage tank 320, and any one of the flow paths is transferred to the inflow passage 120. Perform the function of communicating.
  • the opening and closing valve 127 is disposed at the front end of the) to open and close the flow path communicated from the inflow passage 120 to the ion recovery column 140.
  • the solution discharged from the adsorption-desorption reaction tank 130 is introduced into any one of the first to third circulation passages (170, 180, 190) and the discharge passage (200).
  • a common flow path 162 through which the first to third circulation flow paths 170, 180, and 190 are communicated is disposed at the rear end of the adsorption-desorption reaction tank 130, and the common flow path 162 between the common flow path 162 and the discharge flow path 200.
  • open / close valves 172, 182, and 192 are installed in the first to third circulation passages 170, 180, and 190, respectively, so that any one of the common passage 162 and the first to third circulation passages 170, 180, and 190 may be selectively communicated with each other.
  • the first circulation passage 170 passes through the ion recovery column 140 and finishes the adsorption process of the metal ions, so that the discharged aqueous solution may be supplied to the ion recovery column 140 again in common with the inflow passage 120. 162).
  • the target metal ions remaining in the aqueous solution can be resorbed, thereby improving the efficiency in the adsorption process. Will be.
  • the second circulation passage 180 is an ion recovery column 140 in which an aqueous solution discharged after the adsorption process is completed in the ion recovery column 140 and a process of eluting the adsorbed metal ions by inputting the adsorption process or leachate are completed.
  • the washing water discharged after being supplied to the ion recovery column 140 for washing is introduced into the CDI module 230.
  • the second circulation passage 180 is connected to the common passage 162 and the CDI module 230 to form a flow passage such that the ion recovery column 140 and the CDI module 230 communicate with each other.
  • the CDI module 230 deionizes the solution discharged in the state containing ions after the aqueous solution or washing water introduced for the adsorption process or the washing process in the ion recovery column 140 passes through the ion recovery column 140. .
  • the deionized solution in the CDI module 230 is stored in the washing water storage tank 210 or discharged to the inflow passage 120 through the washing water discharge passage 224 and then supplied to the ion recovery column 140 to be used again as the washing water. do.
  • the third circulation passage 190 concentrates the metal ions to be recovered by introducing the leachate discharged through the ion recovery column 140 into the leachate storage tank 320 to elute the metal ions adsorbed to the ion recovery column 140.
  • the leachate is circulated without release to the outside until
  • the third circulation passage 190 is installed between the common passage 162 and the leachate reservoir 320.
  • the discharge passage 200 communicates between the discharge valve 160 and the ion recovery tank 340 to discharge the leachate containing the metal ions eluted from the ion recovery column 140 to the ion recovery tank 340.
  • the discharge valve 160 is connected to communicate with the ion recovery column 140 and the discharge passage 200.
  • the leachate containing the recovery target metal ions is stored in the ion recovery tank 340.
  • the washing water is supplied to the ion recovery column 140 to wash the ion recovery column 140, or the leachate is supplied to the ion recovery column 140 to elute the ions adsorbed to the ion recovery column 140
  • the air is supplied to the ion recovery column 140, for this purpose, a flushing unit 330 for supplying air to the front end of the adsorption and desorption reaction tank 130 is Can be installed.
  • flow paths connecting the washing water storage tank 210 and the leachate storage tank 320 to the inflow valve 122 and the washing water discharge passage 224 may be provided with opening / closing valves 212, 226, 322 to control the opening and closing states of the flow passages.
  • Figure 2 is a cross-sectional view of the ion recovery column provided in the adsorption and desorption reaction tank of the useful metal ion recovery apparatus according to a preferred embodiment of the present invention
  • Figure 3 is a conventional ion recovery to change the seawater flow rate through the ion recovery column of FIG. This is a graph compared to the aqueous reaction column.
  • the ion recovery column 140 has an adsorbent 150 for adsorbing metal ions therein, and the metal ion is supplied to the adsorbent 150 in the process of passing through the adsorbent 150 by supplying an aqueous solution containing the metal ions to be recovered. To be adsorbed. At this time, according to the type and size of the adsorbent 150 in the ion recovery column 140 using a pump at normal pressure and pressure to supply an aqueous solution.
  • the ion recovery column 140 is a column housing 142 having a water inlet 144 through which the aqueous solution containing the metal ions to be recovered flows and an outlet 146 disposed on the opposite side of the water inlet 144, and a water permeability.
  • the adsorbent 150 is disposed inside the column housing 142 in a state surrounded by the filter 152 or the porous mesh to adsorb metal ions in the aqueous solution.
  • the column housing 142 is provided with a plurality of branch passages 148 for branching the flow path of the introduced aqueous solution to pass through the adsorbent 150 in a branched state of the aqueous solution.
  • the branch flow path 148 in the ion recovery column 140 as described above to prevent the pressure inside the column housing 142 is concentrated or excessively raised in a portion, the introduced aqueous solution is adsorbent 150 By adhering uniformly to, the adsorption efficiency of metal ions was improved.
  • Each reaction column was supplied with seawater at a pressure of 5kgf / cm2 using a diaphragm pump, and the internal pressure of the reaction columns was 1 ⁇ 1.5kgf / cm2, and the change in the flow rate of the seawater with the reaction time was observed. It was.
  • the adsorption and desorption reactor 130 further includes a discharge pump 156 equipped with a pressure gauge on the outlet 146 side of the ion recovery column 140 in order to facilitate the flow of the solution passing through the ion recovery column 140. It may be provided (see Fig. 4), through which pressure can be easily discharged to the outlet 146 by observing the pressure change inside the ion recovery column 140 and controlling the pump.
  • the column housing 142 may be formed as a prefabricated to have an adsorbent 150 therein, it is preferable to maintain the interior tightly through the sealing member 154 such as a gasket or packing in the assembly portion. Do.
  • the adsorbent 150 for adsorbing metal ions and the leachate for eluting the metal ions adsorbed to the adsorbent 150 may be provided in various kinds according to the metal ions to be recovered.
  • the adsorbed strontium ions may be desorbed using sodium chloride (NaCl) solution or ammonia water (NH 4 OH).
  • NaCl sodium chloride
  • NH 4 OH ammonia water
  • the adsorbed boron ions may be desorbed using a weak hydrochloric acid (HCl) solution as a leaching solution.
  • HCl weak hydrochloric acid
  • FIG. 4 is a view showing a circulation path of the washing water in the useful metal ion recovery apparatus according to a preferred embodiment of the present invention.
  • FIG. 4 illustrates that two ion recovery columns 140 are provided in the adsorption-and-desorption reaction tank 130, and the solution discharged from the ion recovery column 140 is transferred to the CDI module through the second circulation channel 180. Only the flow path flowing into the 230 is shown separately.
  • the CDI module 230 serves to adsorb ions in a solution electrically introduced into or desorb the adsorbed ions into the solution.
  • the CDI module 230 adsorbs ions in a solution such as washing water or an aqueous solution introduced into the second circulation passage 180 to deionize the solution so that the deionized solution can be used again as the washing water. .
  • the deionized washing water is stored in the washing water storage tank 210, or is discharged to the inflow passage 120 through the washing water discharge passage 224.
  • the electricity applied to the CDI module 230 is reversed to desorb the adsorbed ions, and the washing water stored in the washing water storage tank 210 is supplied as the washing water supply flow path.
  • ions are discharged into the introduced wash water to remove ions that have been adsorbed in the CDI module 230.
  • the solution containing the ions desorbed from the CDI module 230 is discharged to the inflow passage 120 through the washing water discharge passage 224.
  • the recovery target metal ions present in the desorbed ions can be adsorbed in the ion recovery column 140, thereby improving the recovery efficiency of the metal ions.
  • a plurality of ion recovery column 140, the flow path and the valve communicating with the front and rear ends of each ion recovery column (140a, 140b), that is, the opening and closing valve 127a 127b), discharge valves 160a and 160b, and common flow paths 162a and 162b may be installed.
  • the adsorbent 150 provided in each ion recovery column 140 may be made of a material capable of adsorbing different kinds of ions so as to adsorb and recover a plurality of ions.
  • FIG. 5 is a schematic view of a CDI module provided in the useful metal ion recovery apparatus according to a preferred embodiment of the present invention
  • Figure 6 is an enlarged view 'A' part of FIG.
  • CDI module 230 will be described in more detail with reference to FIGS. 5 and 6.
  • the CDI module 230 includes a plurality of channels 240 including a first electrode part 250 for electrically adsorbing negative ions and a second electrode part 260 for electrically adsorbing positive ions, respectively, arranged in parallel.
  • the channel 240 of the electricity is configured to be applied separately.
  • a non-conductor 280 that electrically insulates each of the channels 240 is interposed between the plurality of channels 240 arranged in parallel.
  • the channels 240 that are insulated by the non-conductor 280 to form an independent flow path have a channel housing 290 provided with inlets 292 and outlets 294 at the inlet and outlet sides of the flow path, respectively. Is connected as an enemy.
  • each channel 240 may be separately supplied with electricity to perform a process independent of the process proceeding in the other channel 240.
  • the CDI module 230 includes a power supply unit 300. do.
  • the power supply unit 300 is preferably implemented as a multi-channel power supply (multi-channel power supply) that can apply electricity to each channel 240 individually.
  • the adsorption and desorption process of ions may be simultaneously performed in one CDI module 230, and thus, the washing water may be smoothly supplied. Will be.
  • each channel 240 forms a flow path through which the liquid is permeated, and electrically adsorbs or desorbs (separates) ions contained in the permeate solution.
  • the first electrode part 250 of the channel 240 includes a current collector plate 252 to which electricity is applied, an active carbon layer 254 coated on the current collector plate 252, and an anion attached to the active carbon layer 254.
  • An exchange membrane 256 is provided.
  • the second electrode unit 260 may include a current collector plate 262 to which electricity is applied, an active carbon layer 264 coated on the current collector plate 262, and a cation exchange membrane 266 attached to the active carbon layer 264. Equipped.
  • the anion exchange membrane 256 and the cation exchange membrane 266 of the first electrode portion 250 and the second electrode portion 260 are disposed to face each other, and the first electrode portion 250 and the second electrode portion 260 are disposed to face each other.
  • the permeable layer 270 may be formed of any material as long as it is a material capable of moving a fluid by forming a gap between the two electrode parts 250 and 260.
  • a nylon material having a gap having a size of 30 to 300 mesh (mesh) may be used. It can be formed from a nonwoven fabric.
  • Figure 7 is a flow chart for explaining the useful metal ion recovery method using the useful metal ion recovery apparatus according to a preferred embodiment of the present invention.
  • the aqueous solution in which the metal ions are dissolved from the aqueous solution storage tank 110 is permeated into the ion recovery column 140 so that the adsorption process of the metal ions to be recovered may proceed in the ion recovery column 140 of the adsorption and desorption reaction tank 130. (S10).
  • the metal ions in the aqueous solution passing through the ion recovery column 140 is adsorbed by reacting with the adsorbent 150.
  • the aqueous solution discharged from the ion recovery column 140 is deionized by flowing into the CDI module 230 through the second circulation passage 180 and stores the washing water generated after deionization in the washing water storage tank 210 (S20). ).
  • the aqueous solution having completed the adsorption process while passing through the ion recovery column 140 is introduced into the common flow path 162 through the discharge valve 160, and then sent to the first circulation flow path 170 so as to return to the ion recovery column.
  • the adsorption process may be repeatedly performed by introducing into the 140.
  • washing water stored in the washing water 210 or the deionized washing water in the CDI module 230 is supplied to the ion recovery column 140 to remove other ions and impurities other than the recovery target ions that are not adsorbed to the ion recovery column 140.
  • a washing process for removing from the ion recovery column 140 is performed (S30).
  • the solution discharged after washing the ion recovery column 140 that is, the solution discharged through the ion recovery column 140, is supplied to the CDI module 230, deionized, and then washed with the deionized water. Stored in the reservoir 210 (S40).
  • air may be supplied to the ion recovery column 140 through the flushing unit 330 to remove the washing water remaining in the ion recovery column 140.
  • the leachate is supplied from the leach solution tank 320 to the ion recovery column 140 to elute the adsorbed metal ions (S50), and the eluted metal ions.
  • the leaching liquid containing the same is introduced again into the leaching liquid storage tank through the third circulation passage 190 (S60).
  • the leachate remaining in the ion recovery column 140 may be removed by supplying air to the ion recovery column 140 through the flushing unit 330.
  • the washing water is supplied to the ion recovery column 140 to perform a washing process to remove the leachate remaining in the ion recovery column 140 (S70), and is discharged from the ion recovery column 140 containing the leachate
  • the washing water is deionized by flowing into the CDI module 230 (S80).
  • the metal ions to be recovered in the leachate are concentrated (S90), and when the metal ions are concentrated to an appropriate level, the leachate containing the concentrated metal ions is discharged through the discharge passage 200.
  • the useful metal ions are recovered by discharging to the recovery tank 340 (S100).
  • the useful metal ion recovery method using the useful metal ion recovery device 100 of the present invention is very efficient because the metal ion can be recovered through an integrated process, and the aqueous solution and pre-stored washing water supplied to the device are highly efficient. As it can be continuously used without being discharged to the outside, there is an advantage of being eco-friendly and economical.

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Abstract

La présente invention concerne un appareil pour collecter des ions métalliques utiles à partir d'une solution aqueuse et un procédé pour collecter des ions métalliques utiles l'utilisant. L'invention concerne donc un appareil pour collecter des ions métalliques utiles et un procédé pour collecter des ions métalliques utiles l'utilisant, l'appareil comprenant : un réservoir de réaction d'adsorption/désorption présentant au moins une colonne de collecte d'ions pour adsorber des ions métalliques dans une solution aqueuse fournie ; un réservoir de stockage d'eau de lavage dans lequel est stockée de l'eau de lavage qui est fournie à la colonne de collecte d'ions sur laquelle les ions métalliques sont adsorbés ; et un réservoir de stockage de solution extraite dans lequel est stockée une solution extraite qui est fournie à la colonne de collecte d'ions pour éluer les ions métalliques adsorbés. La présente invention est écologique, étant donné que la présente invention réutilise l'eau de lavage fréquemment utilisée dans un procédé d'adsorption, de désorption et de collecte d'ions métalliques dans une solution aqueuse sans rejeter l'eau de lavage à l'extérieur, ce qui permet d'obtenir un approvisionnement continuel en eau de lavage. En outre, la présente invention peut collecter des ions métalliques utiles par l'intermédiaire d'un procédé intégré, réduisant ainsi remarquablement l'énergie requise pour la collecte d'ions.
PCT/KR2016/004655 2015-09-21 2016-05-03 Appareil pour collecter des ions métalliques utiles à partir d'une solution aqueuse et procédé pour collecter des ions métalliques utiles l'utilisant WO2017052021A1 (fr)

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KR1020150132805A KR101602459B1 (ko) 2015-09-21 2015-09-21 수용액으로부터의 유용금속이온 회수 장치 및 이를 이용한 유용금속이온 회수 방법
KR10-2015-0132805 2015-09-21

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EP3382043A1 (fr) * 2017-03-31 2018-10-03 Korea Institute Of Geoscience And Mineral Resources Appareil de récupération de lithium onshore pour procédé d'adsorption et de désorption d'ions lithium et procédé de récupération de lithium l'utilisant

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KR102129493B1 (ko) * 2018-10-17 2020-07-09 고려대학교 산학협력단 귀금속 회수를 위한 분리막 축전식 탈염-정삼투 공정 하이브리드 시스템
KR102285849B1 (ko) * 2019-11-18 2021-08-04 한국지질자원연구원 Cdi를 이용한 고효율 리튬 회수 시스템 및 방법
CN115105858B (zh) * 2022-06-22 2023-05-26 重庆大学 Ito刻蚀液结晶抑制装置

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