CN204162479U - A kind of model electrochemical treatment facility for wastewater treatment - Google Patents
A kind of model electrochemical treatment facility for wastewater treatment Download PDFInfo
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- CN204162479U CN204162479U CN201420419894.3U CN201420419894U CN204162479U CN 204162479 U CN204162479 U CN 204162479U CN 201420419894 U CN201420419894 U CN 201420419894U CN 204162479 U CN204162479 U CN 204162479U
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- oxidation reaction
- assisted oxidation
- electrochemical
- reaction unit
- appts
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Abstract
The utility model discloses a kind of model electrochemical treatment facility for wastewater treatment, comprises high frequency pulse power supply, electrochemical reaction appts, aerator, the first chemicals dosing plant, the second chemicals dosing plant and the first assisted oxidation reaction unit; Wherein, this electrochemical reaction appts comprises reactor shell and is arranged at the positive and negative electrode of reactor shell inside, and high frequency pulse power supply is connected to positive and negative electrode, and reactor shell inside is formed with the electrochemical reaction chamber for holding waste water; By this, under the galvanic action that high frequency pulse power supply provides, by synergies such as aerator, the first chemicals dosing plant, the second chemicals dosing plant and the first assisted oxidation reaction units, there is the effects such as electricity flocculation, catalytic oxidation, electro-flotation, electrolysis, ionization in waste water in electrochemical reaction appts, thus, pollution substance in effective removal waste water, the energy consumption of this equipment is lower, treatment effect good, level of automation is high, operating environment sanitary condition good and working cost is low.
Description
Technical field
The utility model relates to water treatment field technology, refers in particular to a kind of model electrochemical treatment facility for wastewater treatment.
Background technology
Environment protection is the problem that people are extremely concerned about, reusing sewage and metal recovery recycling are the trend of a certainty of enterprise development.Sewage treatment equipment before finds when reality uses, also there is more defect in it, such as, the blocking of film, the electricity charge etc. of highly energy-consuming, these exacerbate the processing cost of sewage undoubtedly, and often high cost also causes some enterprise using sewage treatment equipment as the one ornaments dealing with green audit.
At present, electrochemical techniques are as a kind of " cleaning technique ", have quick, sensitive, accurate, efficient, structure is simple, safe and reliable, be convenient to the advantages such as automatization, it just day by day demonstrates unique superiority in the work of environment purification, electrochemical processing apparatus becomes the tool solving environmental problem gradually, will play more and more important effect in field of environment protection; But current electrochemical processing apparatus also exists, and energy consumption is large, cost is high, have the deficiencies such as side reaction always.
Therefore, need to work out a kind of new technical scheme and solve the problems referred to above.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, its main purpose is to provide a kind of model electrochemical treatment facility for wastewater treatment, it effectively can remove the pollution substance in waste water, and the energy consumption of this equipment is lower, treatment effect is good, level of automation is high, operating environment sanitary condition is good, working cost is low, is conducive to applying.
For achieving the above object, the utility model adopts following technical scheme:
For a model electrochemical treatment facility for wastewater treatment, include high frequency pulse power supply, electrochemical reaction appts, aerator, the first chemicals dosing plant, the second chemicals dosing plant and the first assisted oxidation reaction unit;
Wherein, this electrochemical reaction appts includes reactor shell and is arranged at the positive and negative electrode of reactor shell inside, aforementioned high frequency pulse power supply is connected to this positive and negative electrode, this reactor shell inside is formed with the electrochemical reaction chamber for holding waste water, and, this reactor shell offering water-in, water outlet, adding pore and the medicine feeding hole for adding medicament for what add gas;
This aerator comprises source of the gas and is connected to source of the gas and the aforementioned gas-adding pipe added between pore, and this gas-adding pipe is provided with gas meter; This first chemicals dosing plant includes the first dosing tank and the first chemical feed pipe, and this first chemical feed pipe is connected between the first dosing tank and aforementioned medicine feeding hole; This second chemicals dosing plant includes the second dosing tank and the second chemical feed pipe, and this second chemical feed pipe is connected between the second dosing tank and aforementioned first assisted oxidation reaction unit; This first assisted oxidation reaction unit is provided with for the water-in of waste water access with for providing the water outlet at process water source to electrochemical reaction appts, the water outlet of this first assisted oxidation reaction unit is connected to the water-in on previous reaction device housing through pipeline;
And, water outlet in this reactor shell is connected with the second assisted oxidation reaction unit, this the second assisted oxidation reaction unit is provided with water-in and water outlet, water outlet on previous reaction device housing is connected to the water-in of this second assisted oxidation reaction unit through pipeline, and the water outlet of this second assisted oxidation reaction unit is connected with VF membrane filter appts.
As a kind of preferred version, first and second assisted oxidation reaction unit described adopts one or more in ultrasonic unit, UV-device, microwave device, squaring device, X-ray apparatus, gamma-rays device.
As a kind of preferred version, described gas-adding pipe is provided with scouring electromagnetic valve, this scouring electromagnetic valve and These gases under meter are arranged in parallel.
As a kind of preferred version, a pair positive and negative electrode or multipair positive and negative electrode or multiple positive electricity level, a negative potential are set in described reactor shell.
As a kind of preferred version, described positive and negative electrode is aluminium matter or irony or carbon fibre materials.
As a kind of preferred version, described reactor shell is insulation shell.
As a kind of preferred version, described reactor shell is some, and it is 1 to 100 row that this some side reaction device housing is arranged in parallel, often row series connection 1 ~ 100; Aforementioned electrochemical reaction appts is provided with pedestal, and aforementioned some side reaction device housings are arranged in this pedestal.
As a kind of preferred version, described pedestal is provided with center-control case, this center-control case is connected to aforementioned high frequency pulse power supply, electrochemical reaction appts, aerator, the first chemicals dosing plant, the second chemicals dosing plant, the first assisted oxidation reaction unit, the second assisted oxidation reaction unit and VF membrane filter appts.
The utility model compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution, under its galvanic action mainly provided at high frequency pulse power supply, pass through aerator, first chemicals dosing plant, second chemicals dosing plant, the synergies such as the first assisted oxidation reaction unit, electricity flocculation is there is in waste water in electrochemical reaction appts, catalytic oxidation, electro-flotation, electrolysis, the effects such as ionization, thus, colloid and suspension pollutant matter in effective removal waste water, and to oil in water emulsion, larger molecular organics, microorganism, heavy metal ion, fluorion, turbidity and part coloured class material have good removal effect, substantially increase biodegradability, and the second follow-up assisted oxidation reaction unit and VF membrane filter appts are removed further to pollutent, this equipment effectively can remove the pollution substance in waste water, and its energy consumption is lower, level of automation is high, treatment effect is good, body refuse water ratio is low, operating environment sanitary condition is good, working cost is low, is conducive to applying,
Next is, can arrange a pair positive and negative electrode or multipair positive and negative electrode or multiple positive electricity level, a negative potential, in the selectivity of electrode, the activation of electrode etc., had large increase in previous reaction device housing; And, the structure design of aforementioned electrochemical reaction appts is unique, ingenious, it is by being designed to a shape by reactor shell, and some side reaction device housings are arranged in pedestal with the arrangement mode of " being arranged in parallel is 1 to 100 row; often row series connection 1 ~ 100 ", its reasonable structural arrangement, compact, shared space is little, be conducive to equipment miniaturized design and making, be convenient to enterprise etc. to the use of this equipment and management.
For more clearly setting forth constitutional features of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the general configuration block diagram of the preferred embodiment of the utility model;
Fig. 2 is the perspective view of electrochemical reaction appts in the better enforcement of the utility model;
Fig. 3 is the front view of electrochemical reaction appts in the better enforcement of the utility model;
Fig. 4 is the vertical view of electrochemical reaction appts in the better enforcement of the utility model;
Fig. 5 is the left view of electrochemical reaction appts in the better enforcement of the utility model;
Fig. 6 is the anti-principle schematic of electrochemistry in the better enforcement of the utility model.
Accompanying drawing identifier declaration:
10, high frequency pulse power supply 20, electrochemical reaction appts
30, aerator 31, source of the gas
32, gas-adding pipe 33, gas meter
34, scouring electromagnetic valve 40, first chemicals dosing plant
41, the first dosing tank 42, first chemical feed pipe
50, the second chemicals dosing plant 51, second dosing tank
52, the second chemical feed pipe 60, first assisted oxidation reaction unit
70, the second assisted oxidation reaction unit 80, VF membrane filter appts
90, pedestal 91, center-control case
92, tensimeter 93, rate of flow meter
94, water-in 95, water outlet
100, waste water.
Embodiment
Please refer to shown in Fig. 1 to Fig. 6, that show general configuration and the principle of the preferred embodiment of the utility model, this kind is for the model electrochemical treatment facility of wastewater treatment, it can be widely used in all kinds of waste water treatment and Water purification engineering, such as the process etc. of various trade effluent (as electroplating wastewater, dyeing waste water, breadboard industrial waste water, semi-conductor industrial waste water etc.) and percolate.
This equipment includes high frequency pulse power supply 10, electrochemical reaction appts 20, aerator 30, first chemicals dosing plant 40, second chemicals dosing plant 50, first assisted oxidation reaction unit 60, second assisted oxidation reaction unit 70 and VF membrane filter appts 80, and its one-piece construction comparatively simply, safely, reliably.
Wherein, this high frequency pulse power supply 10 is for providing the power supply of high frequency (primary frequency 10 ~ 1000Hz, Second Level Frequency 10 ~ 100K Hz), tape pulse function, low voltage (1 ~ 48V), high electric current (1 ~ 400A) for electrochemical reaction appts.
This electrochemical reaction appts 20 includes reactor shell and is arranged at the positive and negative electrode of reactor shell inside, aforementioned high frequency pulse power supply 10 is connected to this positive and negative electrode, this reactor shell inside is formed with the electrochemical reaction chamber for holding waste water, and, this reactor shell offering water-in, water outlet, adding pore and the medicine feeding hole for adding medicament for what add gas; Herein, previous reaction device housing is insulation shell, UPVC, PP, glass fibre steel etc. can be adopted to have insulation characterisitic material and make; Isolated by insulating material between aforementioned positive and negative electrode, must not directly contact, the pattern of a pair positive and negative electrode or multipair positive and negative electrode or multiple positive electricity level, a negative potential can be set to; This positive and negative electrode can adopt aluminium matter or irony or carbon fibre materials etc., and its shape can be column, tabular, cylindrical shape etc.; Large increase has been had in the selectivity of electrode, the activation of electrode etc.
This aerator 30 comprises source of the gas 31 and is connected to source of the gas 31 and the aforementioned gas-adding pipe 32 added between pore, this gas-adding pipe 32 is provided with gas meter 33, and this gas-adding pipe 32 is provided with scouring electromagnetic valve 34, this scouring electromagnetic valve 34 is arranged in parallel with These gases under meter 33; Described source of the gas 34 is the sources of the gas containing pressurized air, oxygen, ozone, nitrogen, carbon dioxide, add nitrogen and carbon dioxide is to make to keep in reactor assembly certain pressure (1 ~ 5bar), add pressurized air, oxygen, ozone then can not only make to keep certain pressure in reactor assembly, and oxidation base O, O3, OH etc. can be produced under electrochemical action, improve the oxidative degradation ability to Wastewater Pollutant in reactor assembly; Gas can also align, negative electrode surface washes away, and avoids the impact of electrode surface passivation and settled sludge.
This first chemicals dosing plant 40 includes the first dosing tank 41 and the first chemical feed pipe 42, and this first chemical feed pipe 42 is connected between the first dosing tank 41 and aforementioned medicine feeding hole; This second chemicals dosing plant 50 includes the second dosing tank 51 and the second chemical feed pipe 52, and this second chemical feed pipe 52 is connected between the second dosing tank 51 and aforementioned first assisted oxidation reaction unit 60; Liquid medicine in described first dosing tank 41 and the second dosing tank 51 contains reductive agent (Sodium Pyrosulfite, sodium pyrosulfate, ferrous sulfate etc.), H
2o
2, HCl, H
2sO
4, wherein, H
2o
2the oxidation capacity in order to improve Pollutants in Wastewater, H
2o
2itself has oxidation capacity, simultaneously H
2o
2the effect of Fenton oxidation can be produced with ferrous ion, in the water body of energising, produce the effect of electric Fenton, HCl, H
2sO
4mainly in order to regulate the pH value of waste water, preventing pole plate passivation, increasing reaction efficiency.
This first assisted oxidation reaction unit 60 is provided with for the water-in of waste water access with for providing the water outlet at process water source to electrochemical reaction appts 20, the water outlet of this first assisted oxidation reaction unit 60 is connected to the water-in on previous reaction device housing through pipeline; And, this the second assisted oxidation reaction unit 70 is provided with water-in and water outlet, water outlet on previous reaction device housing is connected to the water-in of this second assisted oxidation reaction unit 70 through pipeline, and the water outlet of this second assisted oxidation reaction unit 70 is connected with VF membrane filter appts 80.
Described first and second assisted oxidation reaction unit (60,70) adopts one or more in ultrasonic unit, UV-device, microwave device, squaring device, X-ray apparatus, gamma-rays device; This first and second assisted oxidation device (60,70) can significantly improve the oxidation capacity of equipment to Wastewater Pollutant with the combination of electrochemical reaction appts 20.
As shown in Figures 2 to 5, the structure design of the electrochemical reaction appts 20 in the present embodiment is unique, ingenious, it is by being designed to a shape by reactor shell, such as cube-shaped rectangular-shaped or cylindric etc., and some side reaction device housings are arranged in pedestal 90 with the arrangement mode of " being arranged in parallel is 1 to 100 row; often row series connection 1 ~ 100 ", and be provided with common water-in 94 and water outlet 95, its reasonable structural arrangement, compact, shared space is little, be conducive to equipment miniaturized design and making, be convenient to enterprise etc. to the use of this equipment and management.
Aforementioned pedestal 90 is provided with center-control case 91, some tensimeters 92 and rate of flow meter 93, this center-control case 91 is connected to aforementioned high frequency pulse power supply 10, electrochemical reaction appts 20, aerator 30, first chemicals dosing plant 40, second chemicals dosing plant 50, first assisted oxidation reaction unit 60, second assisted oxidation reaction unit 70 and VF membrane filter appts 80, its level of automation is high, convenient operation and management.
In conjunction with the above-mentioned description to model electrochemical treatment facility, the step roughly introducing wastewater treatment is as follows:
(1) waste water 100 is input in the first assisted oxidation reaction unit 60, aforementioned second chemicals dosing plant 50 is towards the liquid medicine of filling containing reductive agent, H2O2, HCl, H2SO4 in the first assisted oxidation reaction unit 60, this liquid medicine carries out preliminary oxidation to waste water, and regulates the pH value of waste water;
(2) waste water after step (1) process inputs in the electrochemical reaction chamber of aforementioned electrochemical reaction appts 20, and herein, in electrochemical reaction appts 20, the flow velocity of waste water need remain on 0.1 ~ 1m/s; Source of the gas containing pressurized air, oxygen, ozone, nitrogen, carbon dioxide is annotated by aforementioned aerator 30 in electrochemical reaction chamber, adds that gas aligns, negative electrode surface carries out washing away and makes to keep certain pressure in electrochemical reaction chamber; Aforementioned first chemicals dosing plant 40 is annotated and is contained the liquid medicine of reductive agent, H2O2, HCl, H2SO4 in electrochemical reaction chamber, under the galvanic action that aforementioned high frequency pulse power supply 20 provides, there is electricity flocculation, catalytic oxidation, electro-flotation, electrolysis, ionizing event in waste water in electrochemical reaction chamber; Its general principles as shown in Figure 6, use clean, effective electronics as Strong oxdiative also original reagent herein, owing to there is high potential gradient in Interface electric field, electrode is equivalent to the catalyzer of out-phase reaction, thus the environmental pollution brought because adding catalyzer in conventional art is decreased, this electrochemical process has higher selectivity simultaneously, can prevent the generation of by product, decreasing pollution thing; This electrochemical reaction process can carry out at a lower temperature, and it is not by the restriction of carnot's working cycle, and capacity usage ratio is high, by controlling potential, appropriate design electrode and electrochemical reaction chamber, can reduce power loss preferably;
(3) waste water after step (2) process inputs in aforementioned second assisted oxidation reaction unit 70, does further oxidative degradation to Pollutants in Wastewater; In conjunction with abovementioned steps (1), (2) and this step (3), the effects such as whole electrochemical reaction process has direct or indirect oxidation and induction, is separated, concentrated and dilution, Biocidal, can process microlitre to the gas of 1 × 106L, liquid and solid pollutant;
(4) waste water after step (3) process is discharged after VF membrane filter appts 80 filters.
Above-mentioned high-frequency impulse ionization method, it breaks through traditional electrolytic process, utilize electrochemical principle, electrochemical reaction is produced by additional ionizing event, be chemical energy electric energy conversion, in specific ionization device flow process, organic or inorganic pollution substance in waste water is oxidized and reduction reaction, and then cohesion, floating except pollutent is separated from water body, to oil in water emulsion, larger molecular organics, microorganism, heavy metal ion, fluorion, turbidity and part coloured class material have good removal effect, comprise Cr6+, Zn2+, Ni2+, Cu2+, the heavy metals such as Cd2+, CN, oil, phosphoric acid salt and COD, the various noxious pollutant such as SS and colourity, wherein COD clearance reaches 30-70%.
Design focal point of the present utility model is, under its galvanic action mainly provided at high frequency pulse power supply, pass through aerator, first chemicals dosing plant, second chemicals dosing plant, the synergies such as the first assisted oxidation reaction unit, electricity flocculation is there is in waste water in electrochemical reaction appts, catalytic oxidation, electro-flotation, electrolysis, the effects such as ionization, thus, colloid and suspension pollutant matter in effective removal waste water, and to oil in water emulsion, larger molecular organics, microorganism, heavy metal ion, fluorion, turbidity and part coloured class material have good removal effect, substantially increase biodegradability, and the second follow-up assisted oxidation reaction unit and VF membrane filter appts are removed further to pollutent, this equipment effectively can remove the pollution substance in waste water, and energy consumption is lower, level of automation is high, treatment effect is good, body refuse water ratio is low, operating environment sanitary condition is good, working cost is low, is conducive to applying.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. for a model electrochemical treatment facility for wastewater treatment, it is characterized in that: include high frequency pulse power supply, electrochemical reaction appts, aerator, the first chemicals dosing plant, the second chemicals dosing plant and the first assisted oxidation reaction unit;
Wherein, this electrochemical reaction appts includes reactor shell and is arranged at the positive and negative electrode of reactor shell inside, aforementioned high frequency pulse power supply is connected to this positive and negative electrode, this reactor shell inside is formed with the electrochemical reaction chamber for holding waste water, and, this reactor shell offering water-in, water outlet, adding pore and the medicine feeding hole for adding medicament for what add gas;
This aerator comprises source of the gas and is connected to source of the gas and the aforementioned gas-adding pipe added between pore, and this gas-adding pipe is provided with gas meter; This first chemicals dosing plant includes the first dosing tank and the first chemical feed pipe, and this first chemical feed pipe is connected between the first dosing tank and aforementioned medicine feeding hole; This second chemicals dosing plant includes the second dosing tank and the second chemical feed pipe, and this second chemical feed pipe is connected between the second dosing tank and aforementioned first assisted oxidation reaction unit; This first assisted oxidation reaction unit is provided with for the water-in of waste water access with for providing the water outlet at process water source to electrochemical reaction appts, the water outlet of this first assisted oxidation reaction unit is connected to the water-in on previous reaction device housing through pipeline;
And, water outlet in this reactor shell is connected with the second assisted oxidation reaction unit, this the second assisted oxidation reaction unit is provided with water-in and water outlet, water outlet on previous reaction device housing is connected to the water-in of this second assisted oxidation reaction unit through pipeline, and the water outlet of this second assisted oxidation reaction unit is connected with VF membrane filter appts.
2. the model electrochemical treatment facility for wastewater treatment according to claim 1, is characterized in that: first and second assisted oxidation reaction unit described adopts one or more in ultrasonic unit, UV-device, microwave device, squaring device, X-ray apparatus, gamma-rays device.
3. the model electrochemical treatment facility for wastewater treatment according to claim 1, is characterized in that: described gas-adding pipe is provided with scouring electromagnetic valve, and this scouring electromagnetic valve and These gases under meter are arranged in parallel.
4. the model electrochemical treatment facility for wastewater treatment according to claim 1, is characterized in that: arrange a pair positive and negative electrode or multipair positive and negative electrode or multiple positive electricity level, a negative potential in described reactor shell.
5. the model electrochemical treatment facility for wastewater treatment according to claim 1 or 4, is characterized in that: described positive and negative electrode is aluminium matter or irony or carbon fibre materials.
6. a kind of model electrochemical treatment facility for wastewater treatment according to claim 1, is characterized in that: described reactor shell is insulation shell.
7. the model electrochemical treatment facility for wastewater treatment according to claim 1, is characterized in that: described reactor shell is some, and it is 1 to 100 row that this some side reaction device housing is arranged in parallel, often row series connection 1 ~ 100; Aforementioned electrochemical reaction appts is provided with pedestal, and aforementioned some side reaction device housings are arranged in this pedestal.
8. the model electrochemical treatment facility for wastewater treatment according to claim 7, it is characterized in that: described pedestal is provided with center-control case, this center-control case is connected to aforementioned high frequency pulse power supply, electrochemical reaction appts, aerator, the first chemicals dosing plant, the second chemicals dosing plant, the first assisted oxidation reaction unit, the second assisted oxidation reaction unit and VF membrane filter appts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419894.3U CN204162479U (en) | 2014-07-29 | 2014-07-29 | A kind of model electrochemical treatment facility for wastewater treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420419894.3U CN204162479U (en) | 2014-07-29 | 2014-07-29 | A kind of model electrochemical treatment facility for wastewater treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204162479U true CN204162479U (en) | 2015-02-18 |
Family
ID=52536188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420419894.3U Withdrawn - After Issue CN204162479U (en) | 2014-07-29 | 2014-07-29 | A kind of model electrochemical treatment facility for wastewater treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204162479U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163473A (en) * | 2014-07-29 | 2014-11-26 | 广东威迪科技股份有限公司 | Novel electrochemical treatment device for wastewater treatment and wastewater treatment method |
| RU172684U1 (en) * | 2016-07-26 | 2017-07-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) | DEVICE FOR ELECTROFLOTOMEMBRANE CLEANING OF SEWAGE FROM ORGANIC POLLUTION |
| RU172690U1 (en) * | 2016-07-26 | 2017-07-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) | DEVICE FOR ELECTROFLOTOMEMBRANE CLEANING OF WASTE WATER FROM ORGANIC POLLUTION WITH ACID CORRECTION |
-
2014
- 2014-07-29 CN CN201420419894.3U patent/CN204162479U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163473A (en) * | 2014-07-29 | 2014-11-26 | 广东威迪科技股份有限公司 | Novel electrochemical treatment device for wastewater treatment and wastewater treatment method |
| CN104163473B (en) * | 2014-07-29 | 2016-06-29 | 广东威迪科技股份有限公司 | A kind of model electrochemical for wastewater treatment processes equipment and method of wastewater treatment thereof |
| RU172684U1 (en) * | 2016-07-26 | 2017-07-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) | DEVICE FOR ELECTROFLOTOMEMBRANE CLEANING OF SEWAGE FROM ORGANIC POLLUTION |
| RU172690U1 (en) * | 2016-07-26 | 2017-07-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д.И. Менделеева" (РХТУ им. Д.И. Менделеева) | DEVICE FOR ELECTROFLOTOMEMBRANE CLEANING OF WASTE WATER FROM ORGANIC POLLUTION WITH ACID CORRECTION |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150218 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |