CN109264831A - Asymmetric capacitor desalter and the method that desalination is carried out using the device - Google Patents
Asymmetric capacitor desalter and the method that desalination is carried out using the device Download PDFInfo
- Publication number
- CN109264831A CN109264831A CN201811389437.3A CN201811389437A CN109264831A CN 109264831 A CN109264831 A CN 109264831A CN 201811389437 A CN201811389437 A CN 201811389437A CN 109264831 A CN109264831 A CN 109264831A
- Authority
- CN
- China
- Prior art keywords
- desalination
- electrolytic cell
- catch box
- classification
- desalting system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 34
- 239000003990 capacitor Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000011033 desalting Methods 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 239000002699 waste material Substances 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 7
- IKULXUCKGDPJMZ-UHFFFAOYSA-N sodium manganese(2+) oxygen(2-) Chemical compound [O-2].[Mn+2].[Na+] IKULXUCKGDPJMZ-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 2
- 239000013535 sea water Substances 0.000 abstract description 10
- 230000001172 regenerating effect Effects 0.000 abstract description 2
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003011 anion exchange membrane Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000013505 freshwater Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000002242 deionisation method Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of asymmetric capacitor desalter and the methods for carrying out desalination using the device, the device includes several sequentially connected classification desalting system units, which includes catch box, water plug, electrolytic cell, Potentiometric devices and detection device；The solution in catch box is extracted to electrolytic cell by water plug when desalination, and it is provided after voltage and current carries out desalination or regenerative operation by Potentiometric devices, it flows through and carries out conductivity detection in detection device, and selection flow to the catch box desalination acquisition target water in adjacent next classification desalting system unit according to testing result, or flow in waste collecting device and be collected.The present invention takes stage unit desalination, the seawater of various concentration can be directed to, take that the desalination of different series operates and the different number of electrodes of every grade of desalting system carry out free assembling, it is easy to operate, and at different levels mutual independently avoid the cutout of pipeline caused by electrode regeneration.
Description
Technical field
It is carried out the invention belongs to electrolytic cell field more particularly to a kind of asymmetric capacitor desalter and using the device
The method of desalination.
Background technique
There are many tellurian water, however fresh water reserves only account for the 2.53% of global total water, and the mankind can directly utilize
Water only account for 0.26% or so of total Water on the earth.With world economy and industrial expansion, the continuous growth of population and ring
Border pollution is got worse, and the demand of freshwater resources is growing day by day.How seawater to be desalinated worldwide increasingly
It attracts attention.The method for being traditionally used for sea water desalination at present has the methods of the way of distillation, hyperfiltration and electroosmose process, however by
In energy consumption height, the disadvantages of secondary pollution is generated, these methods are difficult to be promoted, until the appearance of capacitive deionization technology, makes
It is seen that realization low power consuming, the hope of pollution-free sea water desalination.
However existing desalting system is complicated for operation, covering seawater solubility is low, the absorption of electrode and it is regenerated during
It is easy to appear short flow problems.Therefore, a kind of at low cost, sea that is easy to operate and can be effectively solved short flow problem is now needed
Water desalination device.
Summary of the invention
Goal of the invention: the object of the present invention is to provide it is a kind of it is at low cost and easy to operate, can effectively carry out seawater desalination,
And it can effectively solve the problem that the electrolytic cell of the short flow problem of desalination system simultaneously.
Technical solution: present invention asymmetry capacitor desalter, including several sequentially connected classification desalting systems
Unit, the classification desalting system unit include catch box, and the solution in catch box is extracted drawing water to electrolytic cell by electrolytic cell
Device, provide the Potentiometric devices of voltage for electrolytic cell and be connected with electrolytic cell, for detect electrolysis after electrical conductivity of solution
Detection device, the detection device is separately connected waste collecting device and next adjacent classification desalting system list by isocon
Catch box in member.
Furtherly, inlet and outlet being respectively equipped on electrolytic cell, wherein water inlet is set to the lower end of electrolytic cell,
Water outlet is set to the upper end of electrolytic cell.Electrode assembly is equipped in electrolytic cell, which includes two fixed plates and consolidate set on two
Sodium manganese oxide electrode and active carbon electrode between fixed board, are equipped with spacer block between two electrodes, two sides of the spacer block, from inside to outside successively
It is symmetrically arranged with gasket and copper sheet.
It further says, the voltage applied between sodium manganese oxide electrode and active carbon electrode is 0.6-1.2V, and electric current is close
Degree is 0.001-1.6mA/cm2。
Furtherly, valve is respectively equipped on isocon.
The method that the present invention carries out solution desalination using above-mentioned asymmetric capacitor desalter, includes the following steps: to lead to
It crosses water plug to extract the solution in catch box to electrolytic cell, and provides voltage and current by Potentiometric devices and carry out desalination
It after operation, flows into and carries out conductivity detection in detection device, and selection flow to adjacent next classification desalination system according to testing result
Desalination or flow in waste collecting device and is collected until obtain target water the catch box united in unit again.
The utility model has the advantages that compared with prior art, remarkable advantage of the invention are as follows: the device takes classification desalination technology, and
Several classification desalting system units are interconnected, and also independently of each other, and then the seawater of various concentration can be carried out different
The desalination of series；Meanwhile the device includes two parts of adsorption desalination and electrode regeneration, such hierarchical structure can make difference
The problem of absorption of unit and regenerative process are distinguished, and are made whole system be constantly in the state of desalination, are prevented short stream appearance；
The method for carrying out desalination using the device simultaneously is simple, strong operability.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of desalter of the present invention；
Fig. 2 is the structural schematic diagram of electrode assembly of the present invention.
Specific embodiment
Technical solution of the present invention is described in further detail below with reference to embodiment.
Asymmetric capacitor desalter of the invention includes several sequentially connected classification desalting system units 1, should
The number of desalting system unit can specifically be set according to the concentration of seawater, herein without limitation.Desalting system unit 1 is classified to wrap
Include catch box 2 (catch box in the desalting system unit of the first order is stoste case), electrolytic cell 3, by the solution in catch box 2
It extracts to the water plug 4 (can be suction pump) of progress desalination in electrolytic cell 3, provides the current potential of voltage and current for electrolytic cell 3
Device 5 (can be potentiostat) and be connected with electrolytic cell 3, for detect electrolysis after electrical conductivity of solution detection device 6
(can be conductivity meter), detection device 6 be separately connected waste collecting device 7 and next adjacent classification desalting system by isocon
Catch box 2 in unit 1, and then several classification desalting system units 1 are connected, valve 14 is respectively equipped on isocon,
To control the flow direction of the solution after desalination, as shown in Figure 1.
Wherein, existing electrolytic cell can be used in electrolytic cell 3, and lower end is equipped with water inlet 15, and upper end is equipped with water outlet 16, into
The mouth of a river 15 and water outlet 16 are connected with water plug and detection device respectively.Electrode assembly, the electrode are equipped in the electrolytic cell 3
Device includes thickness than two fixed plates 8 for 1:2~2.5 and sodium manganese oxide electrode 9 and activity between two fixed plate 8
Carbon electrode 10,10 surface of activated carbon electrodes are equipped with anion-exchange membrane, and water system diaphragm is equipped between two electrodes, prevents short circuit.Two
Electrode surface is equipped with anion-exchange membrane and water system diaphragm, and the voltage applied between two electrodes is 0.6-1.2V, and current density is
0.001-1.6mA/cm2；Spacer block 11, two sides of the spacer block 11, along sodium are equipped between sodium manganese oxide electrode 9 and active carbon electrode 10
Manganese oxide electrode 9 or active carbon electrode 10 are successively symmetrically arranged with copper sheet 13 and gasket 12 to 11 direction of spacer block, and electrode assembly is logical
It crosses insulating materials screw all parts are connected, as shown in Figure 2.
Included the following steps: using the method that above-mentioned desalter carries out solution desalination
(1) quantity of classification desalting system unit 1 is determined according to the concentration for the seawater for wanting desalination, and is pacified in electrolytic cell 3
Loading electrode device；
(2) solution in catch box 2 is extracted to electrolytic cell 3 by water plug 4, and is provided by Potentiometric devices 5
After voltage and current carries out desalination operation, flows through and carry out conductivity detection in detection device 6；
(3) when the conductivity of detection complies with standard, target solution or the solution stream after desalination can be directly obtained
To it is adjacent it is next classification desalting system unit 1 in catch box 2 again desalination until obtain target solution；And when the conductance of detection
When rate is constant always, i.e., the electrode adsorption in electrolytic cell 3 reaches saturation, then will be collected in solution waste collecting device 7, and
Institute's making alive between two electrodes is exchanged, the regenerative operation of electrode is carried out.
Apart from the above, the classification desalting system unit in the device of the invention can be three-level, primary demineralixation system unit
It may include 150-200 set electrode, second level desalting system unit includes that 100-150 covers electrode, and three-level desalting system unit may include
50-100 covers electrode；Or can be for the seawater of various concentration, desalting system sum of series number of electrodes carries out free collocation, to reach
To the target water parameter of requirement.
Claims (6)
1. a kind of asymmetry capacitor desalter, it is characterised in that: the device includes several sequentially connected classification desalinations
System unit (1), the classification desalting system unit (1) include catch box (2), electrolytic cell (3), by the solution in catch box (2)
Extracting to the water plug (4) in electrolytic cell (3), for electrolytic cell (3) provide voltage and current Potentiometric devices (5) and with electricity
Detection device (6) that Xie Chi (3) is connected, for detecting electrical conductivity of solution after electrolysis, the detection device (6) passes through shunting
Pipe is separately connected the catch box (2) in waste collecting device (7) and next adjacent classification desalting system unit (1).
2. asymmetry capacitor desalter according to claim 1, it is characterised in that: be equipped in the electrolytic cell (3)
Electrode assembly, the electrode assembly include two fixed plates (8) and the sodium manganese oxide electrode (9) being set between two fixed plates (8) and live
Property carbon electrode (10), be equipped with spacer block (11) between two electrodes, the two sides of the spacer block (11) are successively symmetrically arranged with gasket from inside to outside
(12) and copper sheet (13).
3. asymmetry capacitor desalter according to claim 2, it is characterised in that: the sodium manganese oxide electrode
(9) voltage applied between active carbon electrode (10) is 0.6-1.2V, current density 0.001-1.6mA/cm2。
4. asymmetry capacitor desalter according to claim 1, it is characterised in that: be respectively equipped on the isocon
Valve (14).
5. asymmetry capacitor desalter according to claim 1, it is characterised in that: on the electrolytic cell (3) respectively
Equipped with water inlet (15) and water outlet (16), wherein water inlet (15) is set to the lower end of electrolytic cell (3), and water outlet (16) is set to
The upper end of electrolytic cell (3).
6. the method for carrying out desalination using asymmetric capacitor desalter described in claim 1, includes the following steps: to pass through
Water plug (4) extracts the solution in catch box (2) to electrolytic cell (3), and provides voltage and electricity by Potentiometric devices (5)
Stream carry out desalination operation after, flow into detection device (6) in carry out conductivity detection, and according to testing result selection flow to it is adjacent under
Desalination or flow to waste collecting device until obtain target water again for catch box (2) in one classification desalting system unit (1)
(7) it is collected in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811389437.3A CN109264831A (en) | 2018-11-21 | 2018-11-21 | Asymmetric capacitor desalter and the method that desalination is carried out using the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811389437.3A CN109264831A (en) | 2018-11-21 | 2018-11-21 | Asymmetric capacitor desalter and the method that desalination is carried out using the device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109264831A true CN109264831A (en) | 2019-01-25 |
Family
ID=65190283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811389437.3A Pending CN109264831A (en) | 2018-11-21 | 2018-11-21 | Asymmetric capacitor desalter and the method that desalination is carried out using the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109264831A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824127A (en) * | 2019-02-22 | 2019-05-31 | 中国石油大学(华东) | System for electrosorption desalination using photovoltaic energy and method of using the same |
| CN109970247A (en) * | 2019-04-16 | 2019-07-05 | 江苏科技大学 | An energy-recoverable intelligent hybrid capacitor desalination system |
| CN113493240A (en) * | 2020-04-01 | 2021-10-12 | 佛山市云米电器科技有限公司 | Regeneration control method, household water purifying device and computer readable storage medium |
| CN113968603A (en) * | 2020-07-22 | 2022-01-25 | 财团法人工业技术研究院 | Water treatment device and water treatment method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60236723D1 (en) * | 2001-04-13 | 2010-07-29 | Organo Corp | Electrodeionization device for water purification |
| CN106830227A (en) * | 2017-03-01 | 2017-06-13 | 河海大学 | The membrane capacitance deionizer and processing method of a kind of circular treatment |
| CN106865701A (en) * | 2017-02-20 | 2017-06-20 | 江苏科技大学 | An electrolytic cell for seawater desalination hybrid capacitor |
-
2018
- 2018-11-21 CN CN201811389437.3A patent/CN109264831A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60236723D1 (en) * | 2001-04-13 | 2010-07-29 | Organo Corp | Electrodeionization device for water purification |
| CN106865701A (en) * | 2017-02-20 | 2017-06-20 | 江苏科技大学 | An electrolytic cell for seawater desalination hybrid capacitor |
| CN106830227A (en) * | 2017-03-01 | 2017-06-13 | 河海大学 | The membrane capacitance deionizer and processing method of a kind of circular treatment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824127A (en) * | 2019-02-22 | 2019-05-31 | 中国石油大学(华东) | System for electrosorption desalination using photovoltaic energy and method of using the same |
| CN109970247A (en) * | 2019-04-16 | 2019-07-05 | 江苏科技大学 | An energy-recoverable intelligent hybrid capacitor desalination system |
| CN113493240A (en) * | 2020-04-01 | 2021-10-12 | 佛山市云米电器科技有限公司 | Regeneration control method, household water purifying device and computer readable storage medium |
| CN113493240B (en) * | 2020-04-01 | 2023-02-28 | 佛山市云米电器科技有限公司 | Regeneration control method, household water purifying device and computer readable storage medium |
| CN113968603A (en) * | 2020-07-22 | 2022-01-25 | 财团法人工业技术研究院 | Water treatment device and water treatment method |
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