CN108689461A - The separation method and device of organic matter-inorganic salts in a kind of high-COD waste water with high salt - Google Patents
The separation method and device of organic matter-inorganic salts in a kind of high-COD waste water with high salt Download PDFInfo
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- CN108689461A CN108689461A CN201810618701.XA CN201810618701A CN108689461A CN 108689461 A CN108689461 A CN 108689461A CN 201810618701 A CN201810618701 A CN 201810618701A CN 108689461 A CN108689461 A CN 108689461A
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- 150000003839 salts Chemical class 0.000 title claims abstract description 98
- 239000002351 wastewater Substances 0.000 title claims abstract description 48
- 238000000926 separation method Methods 0.000 title claims abstract description 22
- 238000010612 desalination reaction Methods 0.000 claims abstract description 46
- 239000012141 concentrate Substances 0.000 claims abstract description 32
- 238000007865 diluting Methods 0.000 claims abstract description 27
- 239000012528 membrane Substances 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000002425 crystallisation Methods 0.000 claims abstract description 7
- 230000008025 crystallization Effects 0.000 claims abstract description 7
- 238000011282 treatment Methods 0.000 claims abstract description 7
- 239000013505 freshwater Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000011109 contamination Methods 0.000 claims 1
- 238000004132 cross linking Methods 0.000 claims 1
- 239000005416 organic matter Substances 0.000 abstract description 6
- 229910017053 inorganic salt Inorganic materials 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005685 electric field effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Chemical Kinetics & Catalysis (AREA)
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- Health & Medical Sciences (AREA)
- General Chemical & Material 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)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention provides the separation method and device of organic matter-inorganic salts in a kind of high-COD waste water with high salt, using multistage special type electric drive film device, the concentration difference that each section of extraordinary electric drive film device is reduced by the crossflow feed of diluting compartment and enriched chamber realizes efficiently separating for organic matter and inorganic salts;The desalination solution and concentrate of each section of extraordinary electric drive film device directly flow backs realization membrane stack self-loopa, reduce multi-way valve and water tank usage amount, and the diluting compartment that each section of extraordinary electric drive film device is controlled by valve is consistent with enriched chamber's flow of inlet water, significantly reduces system circulation water demand and membrane stack stability.In addition, the present invention also carries out crystallization treatment to the concentrate that first segment special type electric drive film device obtains, and obtains high purity inorganic salt, and successive depths processing is carried out to the obtained desalination solution of final stage special type electric drive film device, it realizes qualified discharge, there are preferable social and economic effects.
Description
Technical field
The invention belongs to Industrial Waste Water Treatments field, it is related to a kind of separation of organic matter-inorganic salts in high-COD waste water with high salt
Method and device.
Background technology
In the waste water of the industries such as medicine, food, plating, chemical industry discharge, quite a few all carries Organic Ingredients, intermediate
And byproduct of reaction, pollutant component is complicated and concentration is high.Since not only COD concentration is high for this kind of waste water, but also containing highly concentrated
Salinity is spent, traditional biological method is difficult to realize be effectively treated;And for industrial widely used evaporation desalination technology, waste water
Middle and high concentration organic matter can not only damage vapo(u)rization system, also result in high organic content in the crystal salt of gained, can not
Directly recycle.For this kind of high-COD waste water with high salt, generally require to carry out it organic matter-inorganic salts separation.
Extraordinary electric drive film device is a kind of emerging membrane separation technique based on ion-selective permeability exchange membrane, in direct current
Under electric field action, the zwitterion in solution is oriented migration by amberplex, to realize charged ion in solution
With the separation of organic matter.High-COD waste water with high salt is handled using extraordinary electric drive embrane method, it can be to a certain extent in Ageing solution
Organic matter and charged ion detached.Charged ion is migrated to dense room under DC electric field effect from light room, when dense room from
The accumulation of sub- concentration to a certain extent when, the ion concentration difference that generates between deep or light room causes light room water to generate bias current, in dense room from
Sub- concentration, which rises, slowly even to be begun to decline, and separative efficiency reduces.For the separative efficiency for improving to charged ion and organic matter, work
Cheng Zhongchang is realized by increasing electric drive film device hop count i.e. increase desalination operation length.However, increasing electric drive film device
Hop count on the one hand need correspondingly to increase multi-way valve and deep or light water tank, increase economic cost and equipment and take up an area, it is on the other hand more
Section electric drive film device is big to cycle water demand, is unsuitable for handling small flow waste water.Therefore, there is an urgent need for a kind of height of stability and high efficiency
Salt high-COD waste water organic matter-inorganic salts separator.
Invention content
First purpose of the present invention is, for the deficiencies in the prior art, provides a kind of high-COD waste water with high salt
The separation method of middle organic matter-inorganic salts.
For this purpose, the above-mentioned purpose of the present invention is achieved through the following technical solutions:
The separation method of organic matter-inorganic salts in a kind of high-COD waste water with high salt, organic matter-is inorganic in the high-COD waste water with high salt
The separation method of salt includes:
It is passed through high-COD waste water with high salt as material liquid to the diluting compartment of extraordinary electric drive film device, obtained desalination solution is passed through
To the diluting compartment of next section of extraordinary electric drive film device, adjacent two sections extraordinary electric drive film device formation are connected in series with;
Contrary is flowed to high-COD waste water with high salt, fresh water is passed through to the enriched chamber of final stage special type electric drive film device, is obtained
To concentrate be passed through to the enriched chamber of the preceding paragraph special type electric drive film device;
The desalination solution of the diluting compartment outlet of each section of extraordinary electric drive film device is back to the desalination of the special type electric drive film device
Chamber inlet is to realize membrane stack self-loopa;
The concentrate of the enriched chamber outlet of each section of extraordinary electric drive film device is back to the concentration of the special type electric drive film device
Chamber inlet is to realize membrane stack self-loopa;
The high-COD waste water with high salt is that salt content is more than 10%wt, and COD is more than the waste water of 10 g/L.
While using above-mentioned technical proposal, the present invention can also be used or be combined using technology further below
Scheme:
Preferably, adjust in diluting compartment of the valve on membrane stack self-loopa route to realize each section of extraordinary electric drive film device into
Water flow is consistent, and flow of inlet water is consistent in the enriched chamber of each section of extraordinary electric drive film device.
Preferably, the obtained concentrate of first segment special type electric drive film device is subjected to crystallization treatment, obtains purity height
In 98.5% inorganic salts;The obtained desalination solution of final stage special type electric drive film device is subjected to successive depths processing, with reality
Existing qualified discharge.
Preferably, the obtained concentrate of first segment special type electric drive film device and final stage special type electric drive film device
Obtained desalination solution concentration difference is higher than 10%.
Preferably, the concentration difference between each section of extraordinary obtained concentrate of electric drive film device and desalination solution is less than the section
The half for the desalination solution concentration that extraordinary electric drive film device obtains.
Another object of the present invention is, for the deficiencies in the prior art, it is useless to provide a kind of high COD with high salt
The separator of Organic substance in water-inorganic salts.
For this purpose, the above-mentioned purpose of the present invention is achieved through the following technical solutions:
The separator of organic matter-inorganic salts in a kind of high-COD waste water with high salt, organic matter-is inorganic in the high-COD waste water with high salt
Point that the separator of salt is realized for the separation method of organic matter-inorganic salts in the foregoing high-COD waste water with high salt of application
From device, including:At least one section extraordinary electric drive film device, the desalination chamber inlet of the special type electric drive film device and enriched chamber
Entrance be arranged in the both sides of the special type electric drive film device with the flow direction for realizing high-COD waste water with high salt and the flow direction of fresh water
Contrary, adjacent two sections extraordinary electric drive film device formation are connected in series with.
While using above-mentioned technical proposal, the present invention can also be used or be combined using technology further below
Scheme:
Preferably, setting connection diluting compartment outlet between the diluting compartment outlet and desalination chamber inlet of every section of extraordinary electric drive film device
With the self-circulation pipeline of desalination chamber inlet.
Preferably, setting connection enriched chamber between the enriched chamber outlet and concentration chamber inlet of every section of extraordinary electric drive film device
The self-circulation pipeline of outlet and concentration chamber inlet.
The present invention provides the separation method and device of organic matter-inorganic salts in a kind of high-COD waste water with high salt, using multistage spy
Kind electric drive film device reduces the concentration of each section of extraordinary electric drive film device by the crossflow feed of diluting compartment and enriched chamber
Difference, realization organic matter and inorganic salts efficiently separate;The desalination solution and concentrate of each section of extraordinary electric drive film device are directly returned
Stream realizes membrane stack self-loopa, reduces multi-way valve and water tank usage amount, and controls each section of extraordinary electric drive film device by valve
Diluting compartment is consistent with enriched chamber's flow of inlet water, significantly reduces system circulation water demand and membrane stack stability.In addition, this hair
It is bright that crystallization treatment also is carried out to the concentrate that first segment special type electric drive film device obtains, high purity inorganic salt is obtained, to last
One section of extraordinary obtained desalination solution of electric drive film device carries out successive depths processing, realizes qualified discharge, has preferable society
Meeting and economic benefit.
Description of the drawings
Fig. 1 is the signal of the separator of organic matter-inorganic salts in a kind of high-COD waste water with high salt provided by the present invention
Figure.
Fig. 2 is the process schematic representation of the separation method of carboxylic acid waste water.
Fig. 3 is the process schematic representation of the separation method of amine waste water.
Specific implementation mode
The present invention is further described in detail with reference to specific embodiment.
Embodiment 1
Referring to Fig.1, in a kind of high-COD waste water with high salt organic matter-inorganic salts separator, including:At least one section extraordinary electricity drives
Dynamic film device, the desalination chamber inlet of extraordinary electric drive film device and the entrance of enriched chamber are arranged in special type electric drive film dress
The both sides set flow to contrary with the flow direction and fresh water of realizing high-COD waste water with high salt, adjacent two sections extraordinary electric drive film device shapes
At being connected in series with.
Between the diluting compartment outlet of every section of extraordinary electric drive film device and desalination chamber inlet setting connection diluting compartment outlet with
Desalinate the self-circulation pipeline of chamber inlet.
Between the enriched chamber outlet of every section of extraordinary electric drive film device and concentration chamber inlet the outlet of setting connection enriched chamber with
Concentrate the self-circulation pipeline of chamber inlet.
In the present embodiment, three sections of extraordinary electric drive film devices are arranged can also be arranged certainly in other examples
The extraordinary electric drive film device of two sections or more multistage.
And in the present embodiment, it is passed through high-COD waste water with high salt as material liquid to first segment special type electric drive film device
Diluting compartment, obtained desalination solution is followed by second segment, the diluting compartment of third section special type electric drive film device, salt in diluting compartment
Concentration reduces paragraph by paragraph from first segment to third section special type electric drive film device, and fresh water is passed through to third section special type electric drive film and is filled
The enriched chamber set, obtained concentrate followed by second segment, first segment special type electric drive film device enriched chamber, in enriched chamber
Salinity rises paragraph by paragraph from third section to first segment special type electric drive film device;The desalination solution of each section of extraordinary electric drive film device
It is back to diluting compartment and carries out membrane stack self-loopa, control valve controls the diluting compartment flow of inlet water one of each extraordinary electric drive film device
It causes, the concentrate of each section of extraordinary electric drive film device is back to enriched chamber and carries out membrane stack self-loopa, and control valve controls each section
Extraordinary electric drive film device enriched chamber flow of inlet water is consistent;The obtained concentrate of first segment special type electric drive film device is carried out
Evaporative crystallization processing, obtains Chun Du >98.5% inorganic salts, by the third section obtained desalination solution of special type electric drive film device into
The processing of row successive depths, realizes qualified discharge.
With daily 20 m3Treating capacity to the design of each processing unit of entire technique and installation and debugging, and continuous service;
Raw material is the carboxylic acid waste water that salt content is 18% wt, and pH 3.3, COD are 14 g/L, are passed through first segment special type electric drive film
Device, as shown in Fig. 2, current density is 300 A/m2, 24 Kw of power is run, it is 10% that 10 min of circular flow, which obtains salt content,
Wt, COD are the desalination solution of 12.6 g/L, this desalination solution is passed through second segment special type electric drive film device, current density 200
A/ m2, 18 Kw of power is run, it is the desalination solution that 5.2%wt, COD are 11.6 g/L that 10 min of circular flow, which obtains salt content, will
This desalination solution is passed through third section special type electric drive film device, and current density is 100 A/ m2, run 12 Kw of power, circular flow
It is the desalination solution that 1.8%wt, COD are 10.8 g/L that 10 min, which obtain salt content, and fresh water is passed through third section special type electric drive film dress
The enriched chamber set, current density are 100 A/ m2, 12 Kw of power is run, it is 3.4% that 10 min of circular flow, which obtains salt content,
Wt, COD are the concentrate of 0.8 g/L, this concentrate are passed through second segment special type electric drive film device, current density is 200 A/
m2, 18 Kw of power is run, it is the concentrate that 8.2%wt, COD are 1.8 g/L that 10 min of circular flow, which obtains salt content, this is dense
Contracting liquid is passed through the enriched chamber of first segment special type electric drive film device, and current density is 300 A/m2, run 24 Kw of power, cycle
It is the concentrate that 16.2%wt, COD are 3.2 g/L to run 10 min and obtain salt content;Each section of extraordinary electric drive film device it is light
Change liquid and be back to diluting compartment progress membrane stack self-loopa, control valve controls the diluting compartment flow of inlet water of each extraordinary electric drive film device
It is unanimously 2 LPM, the concentrate of each section of extraordinary electric drive film device is back to enriched chamber and carries out membrane stack self-loopa, control valve
It is unanimously 2 LPM to control each section of extraordinary electric drive film device enriched chamber flow of inlet water;By first segment special type electric drive film device institute
It is that the concentrate that 16.2% wt, COD is 3.2 g/L is evaporated crystallization treatment to obtain salt content, obtains Chun Du >98.5% nothing
Salt content obtained by third section special type electric drive film device is after desalination solution that 1.8%wt, COD are 10.8 g/L carries out by machine salt
Continuous biochemical treatment, realizes qualified discharge.
Embodiment 2
Raw material is the amine waste water that salt content is 24%wt, and pH 13.4, COD are 15.2 g/L, are passed through first segment special type electric drive
Film device, as shown in figure 3, current density is 280 A/m2, 21 Kw of power is run, 10 min of circular flow obtains salt content and is
16%wt, COD are the desalination solution of 13.4 g/L, this desalination solution are passed through second segment special type electric drive film device, current density is
200 A/ m2, 12 Kw of power is run, it is the desalination that 10% wt, COD is 12.2 g/L that 10 min of circular flow, which obtains salt content,
This desalination solution is passed through third section special type electric drive film device by liquid, and current density is 120 A/ m2, 10 Kw of power is run, is followed
It is the desalination solution that 5%wt, COD are 11.2 g/L that 10 min of inscription of loop, which obtains salt content, this desalination solution is passed through the 4th section of extraordinary electricity
It is 100 A/ m to drive film device, current density2, run 8 Kw of power, 10 min of circular flow obtain salt content be 2.2%wt,
COD is the desalination solution of 10.4 g/L, and fresh water is passed through to the enriched chamber of the 4th section of extraordinary electric drive film device, current density 100
A/ m2, 8 Kw of power is run, it is the concentrate that 2.8%wt, COD are 0.8 g/L that 10 min of circular flow, which obtains salt content, by this
Concentrate is passed through third section special type electric drive film device, and current density is 120 A/ m2, run 10 Kw of power, circular flow 10
It is the concentrate that 7.8%wt, COD are 1.8 g/L that min, which obtains salt content, this concentrate is passed through second segment special type electric drive film dress
The enriched chamber set, current density are 200 A/m2, 12 Kw of power is run, it is 13.8% that 10 min of circular flow, which obtains salt content,
Wt, COD are the concentrate of 3 g/L, this concentrate are passed through to the enriched chamber of first segment special type electric drive film device, current density is
280 A/m2, 21 Kw of power is run, it is the concentration that 21.8% wt, COD is 4.8 g/L that 10 min of circular flow, which obtains salt content,
Liquid;The desalination solution of each section of extraordinary electric drive film device is back to diluting compartment and carries out membrane stack self-loopa, and control valve controls each spy
The diluting compartment flow of inlet water of kind electric drive film device is unanimously 2 LPM, the concentrate reflux of each section of extraordinary electric drive film device
Membrane stack self-loopa is carried out to enriched chamber, it is unanimously 2 that control valve, which controls each section of extraordinary electric drive film device enriched chamber flow of inlet water,
LPM;It is that the concentrate that 21.8%wt, COD are 4.8 g/L steams by salt content obtained by first segment special type electric drive film device
Crystallization treatment is sent out, Chun Du > is obtained;Salt content obtained by 4th section of extraordinary electric drive film device is 2.2% by 98.5% inorganic salts
The desalination solution that wt, COD are 10.4 g/L carries out follow-up advanced oxidation processing, realizes qualified discharge;Other techniques in embodiment 2
It operates in the same manner as in Example 1.
In the present embodiment, four sections of extraordinary electric drive film devices are arranged can also be arranged certainly in other examples
The extraordinary electric drive film device of two sections, three sections or more multistage.
Above-mentioned specific implementation mode is used for illustrating the present invention, is merely a preferred embodiment of the present invention, rather than to this
Invention is limited, and in the protection domain of spirit and claims of the present invention, to any modification of the invention made, is equal
Replace, improve etc., both fall within protection scope of the present invention.
Claims (9)
1. the separation method of organic matter-inorganic salts in a kind of high-COD waste water with high salt, which is characterized in that the high-COD waste water with high salt
The separation method of middle organic matter-inorganic salts includes:
It is passed through high-COD waste water with high salt as material liquid to the diluting compartment of extraordinary electric drive film device, obtained desalination solution is passed through
To the diluting compartment of next section of extraordinary electric drive film device, adjacent two sections extraordinary electric drive film device formation are connected in series with;
Contrary is flowed to high-COD waste water with high salt, fresh water is passed through to the enriched chamber of final stage special type electric drive film device, is obtained
To concentrate be passed through to the enriched chamber of the preceding paragraph special type electric drive film device;
The desalination solution of the diluting compartment outlet of each section of extraordinary electric drive film device is back to the desalination of the special type electric drive film device
Chamber inlet is to realize membrane stack self-loopa;
The concentrate of the enriched chamber outlet of each section of extraordinary electric drive film device is back to the concentration of the special type electric drive film device
Chamber inlet is to realize membrane stack self-loopa;
The high-COD waste water with high salt is that salt content is more than 10% wt, and COD is more than the waste water of 10 g/L.
2. the separation method of organic matter-inorganic salts in high-COD waste water with high salt according to claim 1, which is characterized in that adjust
Flow of inlet water is consistent in diluting compartment of the valve to realize each section of extraordinary electric drive film device on section membrane stack self-loopa route, often
Flow of inlet water is consistent in the enriched chamber of one section of extraordinary electric drive film device.
3. the separation method of organic matter-inorganic salts in high-COD waste water with high salt according to claim 1, which is characterized in that will
The obtained concentrate of first segment special type electric drive film device carries out crystallization treatment, obtains the inorganic salts that purity is higher than 98.5%;It will
The obtained desalination solution of final stage special type electric drive film device carries out successive depths processing, to realize qualified discharge.
4. the separation method of organic matter-inorganic salts in high-COD waste water with high salt according to claim 1, which is characterized in that the
The obtained concentrate of one section of special type electric drive film device and the obtained desalination solution of final stage special type electric drive film device are dense
Degree difference is higher than 10%.
5. the separation method of organic matter-inorganic salts in high-COD waste water with high salt according to claim 1, which is characterized in that every
Concentration difference between one section of extraordinary obtained concentrate of electric drive film device and desalination solution is less than the extraordinary electric drive film device of this section
The half of obtained desalination solution concentration.
6. the separation method of organic matter-inorganic salts in high-COD waste water with high salt according to claim 1, which is characterized in that institute
State extraordinary electric drive film device at work, current efficiency is more than 70%, and current density is 100 ~ 300 A/m2, the extraordinary electricity
Driving film device includes the homogeneous cavity block of resistance to organic contamination and homogeneous anode membrane, and the film resistance of the homogeneous cavity block and homogeneous anode membrane is equal
For 0.1 ~ 1.5 Ω/cm2, the degree of cross linking is 80 ~ 86%.
7. the separator of organic matter-inorganic salts in a kind of high-COD waste water with high salt, which is characterized in that the high-COD waste water with high salt
The separator of middle organic matter-inorganic salts is using organic matter-inorganic salts in high-COD waste water with high salt described in claim 1
The separator that separation method is realized, including:At least one section extraordinary electric drive film device, the special type electric drive film device
Desalination chamber inlet and the entrance of enriched chamber are arranged in the both sides of the special type electric drive film device to realize high-COD waste water with high salt
Flow direction and fresh water flow to contrary, adjacent two sections extraordinary electric drive film devices formation are connected in series with.
8. the separator of organic matter-inorganic salts in high-COD waste water with high salt according to claim 8, which is characterized in that every
Setting connection diluting compartment outlet and desalination chamber inlet between the diluting compartment outlet and desalination chamber inlet of the extraordinary electric drive film device of section
Self-circulation pipeline.
9. the separator of organic matter-inorganic salts in high-COD waste water with high salt according to claim 8, which is characterized in that every
The outlet of setting connection enriched chamber and concentration chamber inlet between the enriched chamber outlet and concentration chamber inlet of the extraordinary electric drive film device of section
Self-circulation pipeline.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110510712A (en) * | 2019-08-09 | 2019-11-29 | 南开大学 | A kind of electrodialysis system and method for bitter desalination |
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