CN108456893B - A kind of automatically controlled ion exchange coupling electrolytic water device and technique - Google Patents
A kind of automatically controlled ion exchange coupling electrolytic water device and technique Download PDFInfo
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- CN108456893B CN108456893B CN201810232265.2A CN201810232265A CN108456893B CN 108456893 B CN108456893 B CN 108456893B CN 201810232265 A CN201810232265 A CN 201810232265A CN 108456893 B CN108456893 B CN 108456893B
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
- C25B9/73—Assemblies comprising two or more cells of the filter-press type
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
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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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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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
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/14—Alkali metal compounds
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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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
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
- C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
Abstract
The invention discloses a kind of automatically controlled ion exchange coupling electrolytic water device and techniques, belong to wastewater treatment and new energy field, can solve metal ion treatment and the big hot issue of electrolytic hydrogen production two in water body simultaneously, to realize that high efficiency of energy utilizes.The present invention uses two cell structure of a chamber, a Room is by imposing oxidation or recovery voltage to automatically controlled ion exchanging function electrode wherein, while realizing the reversible absorption of target metal ions and desorption, in addition the efficient utilization of hydrogen, oxygen or chlorine high added value product is realized in a Room.This technique has the advantages that energy loss is low, ion selectivity is high, process is reversible, environmental-friendly, easy to operate, is a kind of novel, efficient water treatment technology.
Description
Technical field
The present invention relates to a kind of automatically controlled ion exchange coupling electrolytic water device and techniques, and in particular to a kind of synchronous output hydrogen
Gas generates acid, the energy-efficient method for handling metal ion in waste water, belongs to wastewater treatment and new energy field.
Background technique
In recent years, the processing problem of metal ion receives extensive attention in water body.It such as removes and poisons heavy metal ion, returns
Receive high value metals lithium ion etc..Its reason mainly includes the following aspects: 1) due to mining, sewage irrigation and using heavy
Heavy metal caused by the factors such as the exceeded product of metal deteriorates environmental quality, is directly detrimental to health；2) in many
In industrial processes, micro impurity metal ion seriously affects product quality and production efficiency；3) electronic product is increasingly
Development is so that the problem of lithium resource scarcity is serious.Therefore, how efficiently to remove harmful metal ion and recycling is valuable
Metal ion becomes the focal issue of water treatment field.
In addition, as petroleum resources are increasingly short, reserves increasingly decline and fossil fuel utilizes a series of rings of bring
Border problem is got worse, and exploitation new cleaning fuel is extremely urgent.Wherein, hydrogen energy source as a kind of high heating value, it is environmental-friendly,
Preparation process is simple, the convenient new cleaning fuel of storage and transportation is by favor, has extensive researching value and application prospect.And water
Hydrogen manufacturing is solved because of advantages such as its product purity height, abundant raw materials, becomes the hot spot studied instantly.
However, the single consideration cathode adsorption desorption of the electrochemical treatments technology for metal ion reported at present, as in
State's patent publication No. are as follows: a kind of " the automatically controlled ion-exchange process for recycling metal ion in weak solution " of CN102583664A, it is right
Charge on electrode is not utilized rationally.That is reported at present prepares novel hydrogen energy source, only concentrates research electro-catalysis mostly
The performance of material, such as China Patent Publication No. are as follows: CN105483744A " a kind of porous liberation of hydrogen catalyst and preparation method thereof and
Electrode containing the liberation of hydrogen catalyst " is only focused in surface liberation of hydrogen overpotential and catalytic activity, about to electrode electric energy loss
There is no any discussion.Existing patented technology is never by the energy consumption problem at yin-yang the two poles of the earth, product cost problem and energy environment
Problem combines well.
Although automatically controlled ion exchange technique and the current existing research of electrolysis water technology, automatically controlled ion exchange coupling electrolysis
Hydraulic art handles metal ion, precipitation hydrogen, the theoretical of generation acid simultaneously and has not been reported with technique.
Summary of the invention
The present invention is intended to provide a kind of automatically controlled ion exchange coupling electrolytic water device and technique, in automatically controlled ion exchange technique
On the basis of, realize the coupling application of automatically controlled ion exchange and electro-catalysis, the synchronous adsorption desorption for realizing ion and hydrogen, oxygen,
The secondary pollution in existing ion-exchange is eliminated in the generation of acid solution, improves the utilization of power of original automatically controlled ion exchange technique
Rate, and make product multipolarity.
Automatically controlled ion exchange coupling electrolysis hydraulic art proposed by the invention can solve above-mentioned water body metal ion simultaneously
Recovery processing and the big hot issue of novel Hydrogen Energy output two.Wherein, automatically controlled ion exchange technique (Electrochemically
Switched ion exchange, ESIX) it is that electrode is made in electroactive ion exchanging function material and conducting base, pass through
Regulate and control electrode potential, switch the redox state of electrode, the object ion in solution is made reversibly to be placed in and discharge, thus real
Enrichment, the recycling of existing effects of ion.Automatically controlled ion exchange technique is with easy to operate, selectivity is high, process is reversible, without secondary
The advantages of pollution is a kind of environmental-friendly new and effective isolation technics, and chief motivation is electrode potential.Automatically controlled ion is handed over
Changing coupling electrolysis hydraulic art is to be handed on the basis of traditional automatically controlled ion-exchange process by installation anion between in the reactor
It changes film and forms " class chloralkali process " reactor of one " two Room of a chamber " to carry out.Wherein a Room is ion-exchange chamber, in addition one
Room is tank house.Electroactive ion exchanging function electrode and electro-catalysis functional electrode are installed respectively in two interiors, to a wherein Room
Electrode impose oxidation voltage, the electrode of another room imposes recovery voltage to realize.In adsorption process, cathode merging metal from
While sub-, anode realizes the precipitation of oxygen (or chlorine etc.) and the formation of acid solution.In desorption process, Concentration of Gold is discharged in anode
While belonging to ion, cathode realizes the precipitation of hydrogen.Two reactions of cathode anode are catalyzed by means respectively of different functions lives
Property material mutually promote, collaboration carry out.
The present invention provides a kind of automatically controlled ion exchanges to couple electrolytic water device, which is two cell structure of a chamber, that is, exists
Two chambers are separated by electrolytic bath, electrolytic bath middle part is divided into left chamber and right chamber by anion-exchange membrane；Left chamber
Side is equipped with the first inlet, and top is equipped with gas outlet, and bottom is equipped with the first liquid outlet；Right chamber side is equipped with the second feed liquor
Mouthful, bottom is equipped with the second liquid outlet；Electro-catalysis functional electrode, the automatically controlled ion exchanging function of right chamber indoor location are equipped in left chamber
Electrode, electrolytic bath outside are equipped with DC power supply, and electro-catalysis functional electrode and automatically controlled ion exchanging function electrode are separately connected directly
Galvanic electricity source；Gas outlet connects gas collection bag.
The present invention provides a kind of automatically controlled ion exchange coupling electrolysis hydraulic arts to be had using two cell structure of a chamber in installation
There is a Room of the electrode of automatically controlled ion exchanging function by imposing oxidation or recovery voltage to electrode, realizes that target metal ions can
While inverse absorption and desorption, in addition the efficient utilization of hydrogen, oxygen or chlorine high added value product is realized in a Room.
Above-mentioned technique is divided into absorption and desorption process, concrete operations are as follows:
In adsorption process, with the automatically controlled ion exchanging function electrode of the connected chamber indoor location of cathode；With company, anode institute
Chamber indoor location electro-catalysis functional electrode, anion-exchange membrane is installed among two Room；With the connected chamber of cathode in inject
Metallic wastewater solution or salt lake bittern solution, with the connected chamber of anode in inject dilute acid soln, the gas of generation is from going out
Port is discharged and collects, and collects the acid solution of generation, discharges corresponding treatment fluid in reactor, washing reactor；
In desorption process, with the connected chamber of anode in install above-mentioned adsorption saturation automatically controlled ion exchanging function electricity
Pole；Anion is installed among the electro-catalysis functional electrode for facilitating hydrogen generation with installation in the connected chamber of cathode, two Room
Exchange membrane, with the connected chamber of anode in inject dilute salting liquid, with the connected chamber of cathode in inject dilute acid soln, collect
The gas of generation collects the metal ion solution of enrichment method, discharges corresponding treatment fluid in reactor, washing reactor；
It is carried out by the intermittent circulation of above-mentioned steps, realizes the enriching and recovering to metal ion in solution, and collect target
Gas and acid solution.
Above-mentioned technique specifically includes the following steps:
(1) when adsorbing, dilute acid soln is added into left chamber, metallic wastewater solution or salt lake bittern is added to right chamber
Solution adsorbs metal ion by adjusting voltage；
(2) gas and acid solution generated is collected；Discharge corresponding treatment fluid in reactor；
(3) when being desorbed, the electrode of left chamber is replaced, dilute acid soln is added to left chamber, is added to right chamber corresponding dilute
Salting liquid adjusts voltage, metal ion is desorbed；
(4) the target concentrate collected the gas generated and be rich in metal ion；Discharge corresponding treatment fluid in reactor；
(5) it is carried out by above-mentioned steps circulation, realizes the enriching and recovering to metal ion in solution, realized to a variety of by-products
Efficient application.
In above-mentioned technique, the automatically controlled ion exchanging function electrode is sunk on carbon-based conductive matrix or metallic conduction matrix
Product or coating, which are directed to object ion, has highly selective, high-throughput electroactive ion exchanging function material.
In above-mentioned technique, the anion-exchange membrane is quaternary amine type anion-exchange membrane, the friendship of aromatic amine groups type anion
Change one of film or quaternary amine type anion-exchange membrane.
The technique can solve the problems, such as the problem of recycling enrichment of metal ion and novel hydrogen energy source generate simultaneously.
The present invention is a kind of automatically controlled ion exchange coupling electrolysis hydraulic art, and compared with prior art, innovation is:
(1) the recyclable recycling of automatically controlled ion exchanging function electrode；
(2) waste water treatment efficiency and energy utilization effect can be improved in coupling electro-catalysis technology and automatically controlled ion exchange technique
Rate, and a variety of high added value products of recycling, to effectively improve economic benefit；The different automatically controlled ion exchange electrodes of functionality
The optionally different target metal ions of adsorption desorption；While handling metal ion, hydrogen, oxygen, chlorine, acid are generated
Equal products；Electro-catalysis functional material is promoting the reaction rate for also accelerating ion adsorption desorption while hydrolysis；
(3) present invention is a kind of New Hydrogen for recycling metal ion in waste water, being enriched with lithium resource in salt lake, generating high heating value
The multifunctional combined technique of the energy, realizes the multifunctionality of product multipolarity, device, reduces operating cost；
(4) coupling technique device can be automatically controled, easy to operate, easy to use；
(5) simulated waste both can one way flow through, be also recycled multiple adsorption desorption；
(6) ion isolation rate can be controlled by control disengaging flow velocity；
(7) it is combined system with two electrodes, is conducive to industrialized production.
Detailed description of the invention
Fig. 1 is the schematic diagram of synchronous absorption lithium ion in this process example one, precipitated oxygen process.
Fig. 2 is synchronous desorption lithium ion in this process example one, the schematic diagram that hydrogen process is precipitated.
Fig. 3 is the schematic diagram of synchronous absorption copper ion in this process example two, precipitated oxygen process.
Fig. 4 is synchronous desorption copper ion in this process example two, the schematic diagram that hydrogen process is precipitated.
Fig. 5 is synchronous absorption lithium ion in this process example three, the schematic diagram that chlorine process is precipitated.
Fig. 6 is synchronous desorption lithium ion in this process example three, the schematic diagram that hydrogen process is precipitated.
In figure: A- electro-catalysis functional electrode；The automatically controlled ion exchanging function electrode of B-；C- anion-exchange membrane；D- liberation of hydrogen electricity
Catalysis electrode；1- electrolytic bath；2- DC power supply；The gas outlet 3-；The first inlet of 4-；The second inlet of 5-；6- first
Liquid outlet；The second liquid outlet of 7-.
Specific embodiment
The present invention is further illustrated below by embodiment, but is not limited to following embodiment.
The present invention uses device shown in FIG. 1.The device is two cell structure of a chamber, i.e., is separated by two in electrolytic bath 1
A chamber, 1 middle part of electrolytic bath are divided into left chamber and right chamber by anion-exchange membrane C；Left chamber side is equipped with the first feed liquor
Mouth 4, top are equipped with gas outlet 3, and bottom is equipped with the first liquid outlet 6；Right chamber side is equipped with the second inlet 5, and bottom is equipped with the
Two liquid outlets 7；It is equipped with electro-catalysis functional electrode A in left chamber, automatically controlled ion exchanging function electrode B, electrolysis are equipped in right chamber
DC power supply 2 is equipped with outside liquid bath, electro-catalysis functional electrode and automatically controlled ion exchanging function electrode are separately connected DC power supply 2；
Gas outlet 3 connects gas collection bag.
Embodiment one:
Lithium ion in processing recycling waste water:
Lithium ion absorption and precipitated oxygen process are as shown in Figure 1, installation different functionalities electrode: electro-catalysis functional electrode A,
Dilution heat of sulfuric acid injects in automatically controlled ion exchanging function electrode B, anion-exchange membrane C, the first inlet 4, left chamber, opens first
Inlet 5, right chamber inject lithium sulfate waste liquid to be processed.Gas outlet 3 is opened again, connects gas collection bag.Apply voltage to carry out
Lithium ion absorption, oxygen discharge.After saturation to be adsorbed, opens the first liquid outlet 6 and collect the sulfuric acid solution (discharge liquor that concentration improves
Adsorption system recycling can be re-injected by the first inlet 4).Open the sulphur that the second liquid outlet 7 discharge concentration reduces
Sour lithium solution.After injecting cleaning solution cleaning, cleaning solution is discharged.
Lithium ion desorption and precipitation hydrogen process are as shown in Fig. 2, switch 2 current direction of DC power supply, by electro-catalysis function
Electrode A is taken out, and Electrocatalytic Activity for Hydrogen Evolution Reaction functional electrode D is changed to, and opens the first inlet 4, and dilution heat of sulfuric acid injects in left chamber, opens
First inlet 5, right chamber inject regenerated liquid: dilute sulfuric acid lithium waste liquid.Gas outlet 3 is opened again, connects gas collection bag.Apply electricity
Pressure carries out lithium ion desorption, hydrogen discharge.After emptying is desorbed, opens the first liquid outlet 6 and waste acid liquor is discharged.Second is opened to go out
Liquid mouth 7 collects the target product of enrichment: the lithium sulfate solution of high concentration.After injecting cleaning solution cleaning, cleaning solution is discharged.
Above-mentioned process cycles carry out, and by constantly switching adsorption/desorption process, realize that the processing to metal-lithium ion is returned
It receives.The reasonable utilization of hydrogen, oxygen, sulfuric acid is also realized simultaneously.Accelerate to reduce energy loss while reaction.
When concrete application, described to lithium, selectively functional automatically controlled ionic material is λ-MnO2/Pt、
H1.33Mn1.67O4、H1.6Mn1.6O4Or λ-MnO2One of/PPy/PSS.
When concrete application, the material of the automatically controlled ion exchanging function electrode B and Electrocatalytic Activity for Hydrogen Evolution Reaction functional electrode D are gold
Belong to one of oxide, metal phosphide, metal-organic framework material (MOF), carbonitride and its compound.
When concrete application, the anion-exchange membrane C is quaternary amine type anion-exchange membrane, aromatic amine groups type anion
One of exchange membrane and quaternary amine type anion-exchange membrane.
Embodiment two:
Copper ion in processing recycling waste water:
Copper absorption and precipitated oxygen process are as shown in figure 3, installation different functionalities electrode: electro-catalysis functional electrode A,
Automatically controlled ion exchanging function electrode B, anion-exchange membrane C open the first inlet 4, and dilution heat of sulfuric acid injects in left chamber, open
First inlet 5, right chamber inject bluestone waste to be processed.Gas outlet 3 is opened again, connects gas collection bag.Apply voltage
Carry out copper absorption, oxygen discharge.After saturation to be adsorbed, opens the first liquid outlet 6 and collect the sulfuric acid solution (row that concentration improves
Liquid can re-inject adsorption system recycling by the first inlet 4 out).Opening the second liquid outlet 7 discharge concentration reduces
Copper-bath.After injecting cleaning solution cleaning, cleaning solution is discharged.
Copper ion desorption and precipitation hydrogen process are as shown in figure 4, switch 2 current direction of DC power supply, by electro-catalysis function
Electrode A is taken out, and Electrocatalytic Activity for Hydrogen Evolution Reaction functional electrode D is changed to, and opens the first inlet 4, and dilution heat of sulfuric acid injects in left chamber, opens
First inlet 5, right chamber inject regenerated liquid depleted copper sulfate waste liquid.Gas outlet 3 is opened again, connects gas collection bag.Apply electricity
Pressure carries out copper ion desorption, hydrogen discharge.After emptying is desorbed, opens the first liquid outlet 6 and waste acid liquor is discharged.Second is opened to go out
Liquid mouth 7 collects the copper-bath of the target product high concentration of enrichment.After injecting cleaning solution cleaning, cleaning solution is discharged.
The recycling to metal copper ion is realized by constantly switching adsorption/desorption process with the progress of above-mentioned process cycles
Processing.The reasonable utilization of hydrogen, oxygen, sulfuric acid is also realized simultaneously.Accelerate to reduce energy loss while reaction.
When concrete application, described to copper, selectively functional automatically controlled ionic material is chitosan magnetic Nano material
Material, the functionalized modification material of mesoporous SBA-15, in amino modified carbon nano-quantum point or calcium alginate/porous silicon composite material
One kind.
When concrete application, the material of the automatically controlled ion exchanging function electrode B and Electrocatalytic Activity for Hydrogen Evolution Reaction functional electrode D are gold
Belong to one of oxide, metal phosphide, MOF, carbonitride and its compound.
When concrete application, the anion-exchange membrane C is quaternary amine type anion-exchange membrane, aromatic amine groups type anion
One of exchange membrane and quaternary amine type anion-exchange membrane.
Embodiment three:
Extraction and enrichment lithium ion in salt lake bittern:
Lithium ion absorption and precipitation chlorine process are as shown in figure 5, installation different functionalities electrode: electro-catalysis functional electrode A,
Automatically controlled ion exchanging function electrode B, anion-exchange membrane C open the first inlet 4, and dilute hydrochloric acid solution injects in left chamber, open
First inlet 5, right chamber injection are rich in the salt lake aqueous solution of lithium chloride.Gas outlet 3 is opened again, connects gas collection bag.It applies
Making alive carries out lithium ion absorption, chlorine discharge.After saturation to be adsorbed, opens the first liquid outlet 6 and collect the sour molten of concentration raising
Liquid (discharge liquor can re-inject adsorption system recycling by the first inlet 4).Open the second liquid outlet 7 discharge concentration
Reduced lithium chloride solution.After injecting cleaning solution cleaning, cleaning solution is discharged.
Lithium ion desorption and precipitation hydrogen process are as shown in fig. 6, switch 2 current direction of DC power supply, by electro-catalysis function
Electrode A is taken out, and Electrocatalytic Activity for Hydrogen Evolution Reaction functional electrode D is changed to, and opens the first inlet 4, and dilute hydrochloric acid solution injects in left chamber, opens
First inlet 5, right chamber inject the dilute lithium chloride waste liquid of regenerated liquid.Gas outlet 3 is opened again, connects gas collection bag.Apply electricity
Pressure carries out lithium ion desorption, hydrogen discharge.After emptying is desorbed, opens the first liquid outlet 6 and waste acid liquor is discharged.Second is opened to go out
Liquid mouth 7 collects the lithium chloride solution of the target product high concentration of enrichment.After injecting cleaning solution cleaning, cleaning solution is discharged.
The enrichment to metal-lithium ion is realized by constantly switching adsorption/desorption process with the progress of above-mentioned process cycles.
The reasonable utilization of hydrogen, chlorine is also realized simultaneously.Accelerate to reduce energy loss while reaction.
When concrete application, described to lithium, selectively functional automatically controlled ionic material is λ-MnO2/Pt、
H1.33Mn1.67O4、H1.6Mn1.6O4、λ-MnO2One of/PPy/PSS.
When concrete application, the material of the automatically controlled ion exchanging function electrode B is TiO2Nano-tube array (TNTs) is negative
Carry one of Sn, Sb codope oxide containing ruthenium coating.
When concrete application, the material of the Electrocatalytic Activity for Hydrogen Evolution Reaction functional electrode D be metal oxide, metal phosphide,
One of MOF, carbonitride and its compound.
When concrete application, the anion-exchange membrane C is quaternary amine type anion-exchange membrane, aromatic amine groups type anion
One of exchange membrane and quaternary amine type anion-exchange membrane.
Claims (9)
1. a kind of automatically controlled ion exchange couples electrolytic water device, it is characterised in that: the device is two cell structure of a chamber, that is, is being electrolysed
Two chambers are separated by liquid bath, electrolytic bath middle part is divided into left chamber and right chamber by anion-exchange membrane；Left chamber side
Equipped with the first inlet, top is equipped with gas outlet, and bottom is equipped with the first liquid outlet；Right chamber side is equipped with the second inlet, bottom
Portion is equipped with the second liquid outlet；It is equipped with electro-catalysis functional electrode in left chamber, is equipped with automatically controlled ion exchanging function electrode in right chamber,
DC power supply is equipped with outside electrolytic bath, electro-catalysis functional electrode and automatically controlled ion exchanging function electrode are separately connected direct current
Source；Gas outlet connects gas collection bag.
2. a kind of automatically controlled ion exchange coupling electrolysis hydraulic art, using automatically controlled ion exchange coupling electrolysis described in claim 1
Water installations, it is characterised in that: two cell structure of a chamber is used, in right chamber by imposing oxidation to automatically controlled ion exchanging function electrode
Or recovery voltage, while realizing the reversible absorption of target metal ions and desorption, in addition hydrogen, oxygen or chlorine are realized in a Room
The efficient utilization of high added value product.
3. automatically controlled ion exchange coupling electrolysis hydraulic art according to claim 2, it is characterised in that:
In adsorption process, with the automatically controlled ion exchanging function electrode of the connected chamber indoor location of cathode；With the connected chamber of anode
Anion-exchange membrane is installed in indoor location electro-catalysis functional electrode, two Room centre；With the connected chamber of cathode in inject metal
Waste water solution or salt lake bittern solution, with the connected chamber of anode in inject dilute acid soln, the gas of generation is from gas outlet
It is discharged and collects, collect the acid solution of generation, discharge corresponding treatment fluid in reactor, washing reactor；
In desorption process, with the connected chamber of anode in the automatically controlled ion exchange function of adsorption saturation in above-mentioned adsorption process is installed
It can electrode；The installation yin among the electro-catalysis functional electrode for facilitating hydrogen generation with installation in the connected chamber of cathode, two Room
Amberplex, with the connected chamber of anode in inject dilute salting liquid, with the connected chamber of cathode in inject dilute acid soln,
The gas generated is collected, the metal ion solution of enrichment method is collected, discharges corresponding treatment fluid in reactor, washing reaction
Device；
It is carried out by the intermittent circulation of above-mentioned steps, realizes the enriching and recovering to metal ion in solution, and collect object gas
With acid solution.
4. automatically controlled ion exchange coupling electrolysis hydraulic art according to claim 2 or 3, it is characterised in that: including following step
It is rapid:
(1) when adsorbing, dilute acid soln is added into left chamber, metallic wastewater solution is added to right chamber or salt lake bittern is molten
Liquid adsorbs metal ion by adjusting voltage；
(2) gas and acid solution generated is collected；Discharge corresponding treatment fluid in reactor；
(3) when being desorbed, the electrode of left chamber is replaced, dilute acid soln is added to left chamber, it is molten that corresponding dilute salt is added to right chamber
Liquid adjusts voltage, metal ion is desorbed；
(4) the target concentrate collected the gas generated and be rich in metal ion；Discharge corresponding treatment fluid in reactor；
(5) it is carried out by above-mentioned steps circulation, realizes the enriching and recovering to metal ion in solution, realize the height to a variety of by-products
Effect is used.
5. automatically controlled ion exchange coupling electrolysis hydraulic art according to claim 3, it is characterised in that: the automatically controlled ion is handed over
Changing functional electrode is to deposit or coat on carbon-based conductive matrix or metallic conduction matrix to have high selection for object ion
Property, high-throughput automatically controlled ion exchanging function material.
6. automatically controlled ion exchange coupling electrolysis hydraulic art according to claim 5, it is characterised in that: the automatically controlled ion is handed over
The material for changing functional electrode is in metal oxide, metal phosphide, metal-organic framework material, carbonitride and its compound
One kind.
7. automatically controlled ion exchange coupling electrolysis hydraulic art according to claim 3, it is characterised in that: the anion exchange
Film is one of aromatic amine groups type anion-exchange membrane or quaternary amine type anion-exchange membrane.
8. automatically controlled ion exchange coupling electrolysis hydraulic art according to claim 3, it is characterised in that: selective to lithium
Automatically controlled ion exchanging function material is λ-MnO2/Pt、H1.33Mn1.67O4、H1.6Mn1.6O4Or λ-MnO2One of/PPy/PSS.
9. automatically controlled ion exchange coupling electrolysis hydraulic art according to claim 3, it is characterised in that: selective to copper
Automatically controlled ion exchanging function material is the functionalized modification material, amino modified of chitosan magnetic Nano material, mesoporous SBA-15
One of carbon nano-quantum point or calcium alginate/porous silicon composite material.
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| CN109351363A (en) * | 2018-10-16 | 2019-02-19 | 安徽理工大学 | A kind of evolving hydrogen reaction catalyst of layered mesoporous structure and preparation method thereof |
| CN109778218B (en) * | 2019-02-01 | 2021-04-06 | 南京大学 | Device and method for co-production of hydrogen production and lithium extraction by electrochemistry |
| CN110357220B (en) * | 2019-07-01 | 2021-12-03 | 太原理工大学 | Method and device for removing chloride ions in desulfurization wastewater through electrochemical coupling |
| CN110747488A (en) * | 2019-11-12 | 2020-02-04 | 上海莒纳新材料科技有限公司 | Water electrolysis oxygen production equipment |
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