CN203699994U - High-salt wastewater electrodialysis device - Google Patents
High-salt wastewater electrodialysis device Download PDFInfo
- Publication number
- CN203699994U CN203699994U CN201320889858.9U CN201320889858U CN203699994U CN 203699994 U CN203699994 U CN 203699994U CN 201320889858 U CN201320889858 U CN 201320889858U CN 203699994 U CN203699994 U CN 203699994U
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- China
- Prior art keywords
- compartment
- dividing plate
- fixed
- containing wastewater
- exchange membrane
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- Expired - Lifetime
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- 239000002351 wastewater Substances 0.000 title claims abstract description 27
- 238000000909 electrodialysis Methods 0.000 title claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 16
- 239000003011 anion exchange membrane Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 125000002091 cationic group Chemical group 0.000 claims description 10
- 238000007865 diluting Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000011796 hollow space material Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 abstract description 4
- 238000005192 partition Methods 0.000 abstract 4
- 238000005341 cation exchange Methods 0.000 abstract 2
- 238000011033 desalting Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 238000010612 desalination reaction Methods 0.000 description 5
- 239000000839 emulsion Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000003014 ion exchange membrane Substances 0.000 description 3
- 230000002572 peristaltic effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 108091003079 Bovine Serum Albumin Proteins 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229940098773 bovine serum albumin Drugs 0.000 description 2
- 238000001311 chemical methods and process Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- YADSGOSSYOOKMP-UHFFFAOYSA-N dioxolead Chemical compound O=[Pb]=O YADSGOSSYOOKMP-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000003905 agrochemical Substances 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 235000019600 saltiness Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The utility model relates to a high-salt wastewater electrodialysis device which comprises four compartments, namely an anode compartment, a concentration compartment, a desalting compartment and a cathode compartment which are respectively separated through partition plates, wherein the partition plates are sequentially pairwise clamped and fixed, the pairwise clamped partition plates are in hollow frame type structures, a cation exchange membrane, an anion exchange membrane and a cation exchange membrane are respectively fixed among three groups of the clamped partition plates; an anode electrode plate is fixed in the anode compartment, and a cathode electrode plate is fixed in the cathode compartment. The high-salt wastewater electrodialysis device disclosed by the utility model has the advantages of simple and effective structure, low treatment and operation cost and high removal rate of salt contained in salt-containing wastewater.
Description
Technical field
The utility model relates to a kind of electrodialysis unit, particularly a kind of high slat-containing wastewater electrodialysis unit.
Background technology
Along with the quickening of China's process of industrialization, many production fields can produce high slat-containing wastewater, as diesel oil, agricultural chemicals, printing and dyeing, papermaking, marine products processing, chemical industry etc., high slat-containing wastewater seepage flow enters in soil system, can cause disintegrating of soil ecosystem, and soil organisms, plant are because of dehydration death, and in haline water other organism or nutrient concentrations common also very high, when unprocessed discharge, by bring very large pressure to water body environment, make rivers and lakes eutrophication.At present, in short supply along with China's industrial expansion and water resources, the high salt factory effluent pollution concentration that some industrial trades produce is more and more higher, and composition becomes increasingly complex, and quantity discharged is increasing, and the environmental stress bringing is also increasing.High salt industrial method of wastewater treatment has physico-chemical processes and biochemical process, and wherein conventional physico-chemical process has burning method, deep oxidation method, ion exchange method, electrochemical process and membrane separation process etc.
Membrane sepn process is a novel high score from, concentrated, purification and purification techniques, and electrodialytic technique, as one of membrane separation technique, has less energy-consumption, high-level efficiency, and the remarkable advantages such as operation continuously, environmental friendliness have use widely in multiple industries.
Electrodialysis (eletrodialysis, being called for short ED) technology is the one of membrane separation technique, it by yin, yang ion-exchange membrane alternative arrangement between positive and negative electrode, and separated with special dividing plate, composition desalination (desalination) and concentrate two systems, under DC electric field effect, taking potential difference as power, utilize the selection perviousness of ion-exchange membrane, ionogen is separated from solution, thereby realize concentrating, desalinate, refine and purifying of solution.
Traditional electrodialysis unit ubiquity complex structure, the problem such as bulky, use cost is too high, and use range is narrower.
Utility model content
The purpose of this utility model is the deficiency that solves above-mentioned prior art electrodialysis unit, and a kind of high slat-containing wastewater electrodialysis unit is provided.
The technical scheme that realizes the utility model object is: a kind of high slat-containing wastewater electrodialysis unit, comprise four compartments, respectively that anolyte compartment, concentration compartments, diluting compartment and cathode compartment are divided into by dividing plate, the dividing plate of described four compartments is fixedly clamped successively between two, the described dividing plate clamping is between two hollow frame type structure, is fixed with respectively cationic exchange membrane, anion-exchange membrane, cationic exchange membrane in the middle of the dividing plate that three groups clamp; In described anolyte compartment, be fixed with anode electrode plate, in cathode compartment, be fixed with cathode electrode plate.
Above-mentioned high slat-containing wastewater electrodialysis unit, the hollow space of the hollow frame of the described dividing plate clamping between two accounts for dividing plate 1/3 area.
Above-mentioned high slat-containing wastewater electrodialysis unit, a water outlet is respectively arranged at described each compartment bottom and top, side, connects emulsion tube, and emulsion tube, through peristaltic pump, by the flow of peristaltic pump control liquid, ensures that in treating processes, the solution water quality in compartment is even.
Above-mentioned high slat-containing wastewater electrodialysis unit, a fixed groove is all arranged at described anolyte compartment and cathode compartment bottom, and battery lead plate is fixed in groove.
Above-mentioned high slat-containing wastewater electrodialysis unit, the dividing plate of described four compartments adopts screws clamp to fix.
Above-mentioned high slat-containing wastewater electrodialysis unit, the dividing plate of described compartment is high molecule plastic material, insulate, corrosion-resistant, wear-resistant.
The utlity model has positive effect:
(1) electrodialysis process is without phase transformation, and its energy consumption is lower than there being phase transition process.Its energy consumption is mainly used in making the electrolyte ion in solution to move, thereby is proportional to strength of solution.From desalination angle, electrodialytic can loss-rate low many of ion-exchange.
(2) device uses flexibly, easy to maintenance.
(3) device long service life, most of parts are made with macromolecular material, insulate, corrosion-resistant, can not wear and tear.
(4) whole process non-pollutant discharge, belongs to cleaner production process.
(5) during for water demineralizing, the rate of recovery of former water is high, can save water source, reduces power consumption, saves pre-treatment expense.
(6) in compartment, solution is realized internal recycle, and water quality is evenly beneficial to production process, and use cost is low, and result of use is good.
(7) anolyte compartment and cathode compartment bottom are provided with groove, are convenient to fixed plate electrode.
Brief description of the drawings
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the utility model structural representation.
Wherein 1 anolyte compartment, 2 concentration compartmentss, 3 diluting compartments, 4 cathode compartments, 5 cationic exchange membranes, 6 anion-exchange membranes, 7 cationic exchange membranes, 8 anode electrode plates, 9 cathode electrode plates.
Embodiment
(embodiment 1)
See Fig. 1
The utility model high slat-containing wastewater electrodialysis unit, comprise four compartments, being divided into by dividing plate is respectively anolyte compartment 1, concentration compartments 2, diluting compartment 3 and cathode compartment 4, the dividing plate of four compartments is fixedly clamped between two by screw successively, the dividing plate clamping is between two hollow frame type structure, is fixed with respectively cationic exchange membrane 5, anion-exchange membrane 6, cationic exchange membrane 7 in the middle of the dividing plate that three groups clamp; In described anolyte compartment 1, bottom has a fixed groove to be fixed with anode electrode plate 8, and in cathode compartment, bottom has a fixed groove to be fixed with cathode electrode plate 9.The hollow space of the hollow frame of the described dividing plate clamping between two accounts for dividing plate 1/3 area.One water outlet is respectively arranged at each compartment bottom and top, side, connects emulsion tube, forms the independent water cycle of each compartment, and dividing plate is PET material.
Adopt the Zhejiang eternal lasting homogeneous ion-exchange membrane produced of company limited, according to the sequential combination device of cationic exchange membrane, anion-exchange membrane, cationic exchange membrane from left to right, four jiaos, the dividing plate of being connected is by nut screwing clamping.Each cell bottom is connected by emulsion tube with the outlet of top, side, and emulsion tube is through peristaltic pump coutroi velocity.Positive plate adopts ti-supported lead dioxide electric modified electrode, and negative plate is stainless steel.
Prepare each compartment solution: anolyte: 0.1molL-1H2SO4 solution, get the 5mL vitriol oil and be diluted with water to 1L; Concentration compartments: 0.035molL-1H2SO4 solution, get the 1.5mL vitriol oil and be diluted with water to 1L; Waste water chamber: 5gNaCl+5gNa2SO4+0.15g bovine serum albumin (BSA), adds water and be mixed with the simulated wastewater solution of 1L; Catholyte: 0.1molL-1NaOH solution, get 4gNaOH solid and be dissolved in water, be settled to 1L.
Apply constant voltage 20V, observe waste water desalination situation.
Characterize solution saltiness by electrical conductivity of solution, the initial electricity of waste water is led as 14.62ms/cm, and final electricity is led as 0.530ms/cm, and it is 96.37% that electricity is led rate of descent, and waste water desalination degree is high.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a high slat-containing wastewater electrodialysis unit, comprise four compartments, respectively that anolyte compartment (1), concentration compartments (2), diluting compartment (3) and cathode compartment (4) are divided into by dividing plate, the dividing plate of described four compartments is fixedly clamped successively between two, the described dividing plate clamping is between two hollow frame type structure, is fixed with respectively cationic exchange membrane (5), anion-exchange membrane (6), cationic exchange membrane (7) in the middle of the dividing plate that three groups clamp; In described anolyte compartment (1), be fixed with anode electrode plate (8), in cathode compartment, be fixed with cathode electrode plate (9).
2. high slat-containing wastewater electrodialysis unit according to claim 1, is characterized in that: the hollow space of the hollow frame of the described dividing plate clamping between two accounts for dividing plate 1/3 area.
3. high slat-containing wastewater electrodialysis unit according to claim 1, is characterized in that: a water outlet is respectively arranged at described each compartment bottom and top, side.
4. high slat-containing wastewater electrodialysis unit according to claim 1, is characterized in that: described anolyte compartment (1) all has a fixed groove with cathode compartment (4) bottom.
5. high slat-containing wastewater electrodialysis unit according to claim 1, is characterized in that: the dividing plate of described four compartments adopts screws clamp to fix.
6. according to the arbitrary described high slat-containing wastewater electrodialysis unit of claim 1～5, it is characterized in that: the dividing plate of described compartment is high molecule plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889858.9U CN203699994U (en) | 2013-12-31 | 2013-12-31 | High-salt wastewater electrodialysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889858.9U CN203699994U (en) | 2013-12-31 | 2013-12-31 | High-salt wastewater electrodialysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203699994U true CN203699994U (en) | 2014-07-09 |
Family
ID=51050461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889858.9U Expired - Lifetime CN203699994U (en) | 2013-12-31 | 2013-12-31 | High-salt wastewater electrodialysis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203699994U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524975A (en) * | 2014-09-06 | 2015-04-22 | 浙江华友钴业股份有限公司 | Novel electrodialysis apparatus for enriching high-salt solution |
| CN105236631A (en) * | 2015-11-27 | 2016-01-13 | 福建创源环保有限公司 | Method for treating high-salt industrial wastewater based on multi-electrode multi-diaphragm electrolytic cell |
| CN105617867A (en) * | 2016-01-11 | 2016-06-01 | 合肥科佳高分子材料科技有限公司 | Method for removing heavy metal ions from asparagus saponin extraction liquid |
| CN107899422A (en) * | 2017-11-09 | 2018-04-13 | 常州大学 | A kind of methods for making and using same of blend ion exchange membrane |
-
2013
- 2013-12-31 CN CN201320889858.9U patent/CN203699994U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104524975A (en) * | 2014-09-06 | 2015-04-22 | 浙江华友钴业股份有限公司 | Novel electrodialysis apparatus for enriching high-salt solution |
| CN105236631A (en) * | 2015-11-27 | 2016-01-13 | 福建创源环保有限公司 | Method for treating high-salt industrial wastewater based on multi-electrode multi-diaphragm electrolytic cell |
| CN105617867A (en) * | 2016-01-11 | 2016-06-01 | 合肥科佳高分子材料科技有限公司 | Method for removing heavy metal ions from asparagus saponin extraction liquid |
| CN105617867B (en) * | 2016-01-11 | 2018-04-20 | 合肥科佳高分子材料科技有限公司 | A kind of method for removing heavy metal ion in asparagus saponin extract solution |
| CN107899422A (en) * | 2017-11-09 | 2018-04-13 | 常州大学 | A kind of methods for making and using same of blend ion exchange membrane |
| CN107899422B (en) * | 2017-11-09 | 2021-01-29 | 常州大学 | Preparation and application method of blended ion exchange membrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
|
| CX01 | Expiry of patent term |