CN102010037A - Design scheme of standardized electric flocculation equipment - Google Patents
Design scheme of standardized electric flocculation equipment Download PDFInfo
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- CN102010037A CN102010037A CN2009101872887A CN200910187288A CN102010037A CN 102010037 A CN102010037 A CN 102010037A CN 2009101872887 A CN2009101872887 A CN 2009101872887A CN 200910187288 A CN200910187288 A CN 200910187288A CN 102010037 A CN102010037 A CN 102010037A
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Abstract
The invention relates to a design scheme of standardized electric flocculation equipment by a core idea that the electrolysis process and the coagulation floatation process are separately realized in two unit processes and are designed according to respective principles. The standardized electric flocculation equipment consists of a flow regulation device, an electrolysis reactor, a separation device, a power supply and a control system, wherein a plate of the electrolysis reactor is placed horizontally, connected in bipolar type, and combined with an electrode fixing frame to form a flow guide system; the separation device selects a vertical flow type floatation tank with water fed in the center and water discharged at periphery, and is equipped with a central flow guide cylinder, a slag and mud scraping device, and a slag and mud discharging device and the like; and the power supply adopts a direct-current stabilized power supply of a silicon-controlled integrated circuit, which has automatic timed electrode reversing function. The design scheme has the advantages of reasonable structure, high process efficiency, good effluent quality and high safety and the like, and can ensure that the energy consumption is 75-90% lower than that of the traditional equipment, strengthen the coagulation floatation process, reduce the blockage, and prevent the passivation of the electrode.
Description
Technical field
The present invention relates to a kind of wastewater treatment equipment, be meant a kind of design of stdn electricity flocculation apparatus especially.
Background technology
Electrocoagulation is to utilize metal hydroxides flocculation that the soluble metal anode produces in electrolytic process to remove the water technology of pollutant in water.In the reality, anode material adopts aluminium, iron etc. to be easy to get and inexpensive metal usually, is example with iron, and its elementary process is as follows:
Anodic reaction: Fe+2e → Fe
2+
Cathodic reaction: 2H
2O+2e → H
2↑+2OH
-
Hydrolysis reaction: Fe
2++ 2OH
-→ Fe (OH)
2↓
The ferrous hydroxide precipitation that electrolysis generates has good flocculation, absorption property, can remove pollution substance effectively from waste water.The hydrogen that negative electrode is separated out during electrolysis simultaneously can form a large amount of small bubbles, have good dissolved air flotation effect, so electrocoagulation is also referred to as electrocoagulation-air-float technology usually.In addition, electro-oxidation reaction can take place in anode surface in the electrolytic process, and the hydrogen in statu nascendi that ferrous ion that electrolysis produces and negative electrode are separated out has than strong reducing property, so electrocoagulation technology also has the redox function.
Electrocoagulation technology can effectively be removed water-borne glue body and suspension pollutant matter, and the coloured class material of oil in water emulsion, larger molecular organics, microorganism, heavy metal ion, fluorion, turbidity and part had good removal effect, therefore can be widely used in all kinds of waste water treatments and give engineering of water treatment.Compare with the traditional chemical coagulation, electrocoagulation technology has good separating effect, the body refuse water ratio is low, floor space is little, be easy to realize advantage such as automatically control, has broad application prospects.
At the beginning of last century, just there is report to adopt patent electrocoagulation technical finesse oily(waste)water abroad.Through the development in over one hundred year, electrocoagulation technology was widely used in various wastewater treatments and water supply purification engineering already.In research and application process, electrocoagulation technology has obtained significant improvement, and has obtained a large amount of patents of invention.These patented technologies have been made improvement to the raising of electrocoagulation art breading effect and energy efficiency, the expansion of range of application, have promoted the development of electrocoagulation technology.Up to the present, existing in the world part company professional production electrocoagulation equipment is though these equipment have high processing efficient, but equipment manufacturing cost costliness, and lack unified standard and structure formation, do not have comparability, cause the difficulty of installation, running maintenance and management.
Domestic as far back as the seventies electric flocculation process that just begins one's study in last century six.Since the recent two decades, domestic R﹠D institution and industrial enterprise have carried out big quantity research to electric flocculation process.Most of unmanageable industry waste water such as plating, oil-containing, printing and dyeing, chemical industry, papermaking have been contained in these researchs, but these researchs also only limit to laboratory scale, be applied to engineering reality also seldom.Even portioned product has been applied in the actual engineering and has gone, also exist the shortcoming that structure design is unreasonable, operation energy consumption is high, the maintenance management difficulty is big.
At present, its subject matter that is faced of electric flocculation technique is that electric flocculation reactor design is immature, is difficult to realize Standardization instrument, and this has caused following problem:
(1) electrolytic process energy consumption height causes processing costs too high;
(2) lack the unified structure form, increased processing and manufacturing, installation, routine maintenance and operational management, particularly the difficulty of electrode connection and replacing;
(3) passivation easily takes place in electrode, causes processing efficiency to descend;
(4) the power supply installed power is subjected to kind of waste water and treatment scale restriction, is of limited application.
Summary of the invention
The present invention is directed to that the equipment design scheme that electric flocculation technique faces is immature, equipment is difficult to standardized problem and improves, invented stdn electricity flocculation apparatus design, particular content is as follows:
(1), adopts the equipment design scheme that is easy to realize Standardization instrument according to electric flocculation process ultimate principle and operating process.The electrolysis and the flocculation-air floating process of electric flocculation process are realized respectively in two equipment respectively,, improved unit process efficient with simplified apparatus structure design difficulty.The equipment of realizing electrolytic functional is called electrolysis reactor, realizes the tripping device that is called of flocculation-air floating sepn process.
(2) electrolysis reactor design considerations electrochemical reaction ultimate principle and process are abandoned false concepts such as the residence time, are that core parameter carries out technological design with electric current usefulness; Follow simultaneously and rationally reduce interelectrode distance, with cut down the consumption of energy, the principle of reinforcing mass transfer, carry out structure design; In addition, structure design also will be considered comprehensively, connects electricity, installation and operation maintenance difficulties with simplification.
(3) the tripping device design should design according to reaction process, the residence time characteristic distributions of flocculation-air floating process, rationally choose processing parameters such as flocculation reaction time, the air supporting residence time, overflow weir load, and pond body configuration and structure analyzed, choose the tripping device type of separation efficiency height, good separating effect.
(4) in order to realize that the ideal between electrolysis reactor and the tripping device cooperates, also reply connection between the two designs.According to electric flocculation process analysis as can be known, both direct connecting tubes should meet coagulation air-float reaction basic demand.
The stdn electricity flocculation apparatus that designs according to such scheme is made of flow regulation device, electrolysis reactor, tripping device, power supply and Controlling System usually.Wherein flow regulation device enters the wastewater flow of electric flocculation plant in order to metering and adjusting; Electrolysis reactor is made up of one group of metal electrode board, and electrolysis generates metal hydroxides flco and hydrogen under the situation of energising, thereby produces the flocculation-air floating effect; Tripping device then provides the place for pollutent in the waste water separates by the flocculation-air floating effect, and its essence is an air supporting settling tank, contains skimming and Scraping device, to realize slag (mud) water sepn; Power supply is the electric supply installation of electrolytic reaction, for electric flocculation process provides galvanic current, to finish electrolytic reaction; The major function of control device is to realize that a whole set of electric flocculation plant is coordinated, stable, operation automatically.
The major scheme of stdn electricity flocculation apparatus is as follows:
(1) electrolysis reactor is made up of electrode, power connection equipment, electrode anchor and housing.
Electrode is the iron plate of one group of parallel placement, connects electric mode and adopts multipole type to connect (tandem), promptly adopts the two end electrodes plate to connect electricity (negative or positive electrode), and middle plate adopts the influence electricity mode.Ferroelectric have higher current density and be difficult for advantage such as passivation, the bath voltage that the multipole type mode of connection then not only has can effectively reduce interelectrode distance, reduce electrolysis reactor, thereby cut down the consumption of energy, and have that power connection equipment is simple, distribution of current evenly, advantages such as pole plate easy accessibility, can also promote electrode surface to upgrade by continuous reverse, prevent electrode passivation.
Different with the box electrolysis reactor of tradition, the battery lead plate of stdn electricity flocculation plant adopts horizontally disposed, combines with the electrode anchor, realizes diversion function, make waste water from electrolysis reactor bottom with the electrolysis reactor of flowing through of the form of baffling repeatedly, flow out from the electrolysis reactor top.This decoration form not only can effectively improve the flow velocity in the electrolysis reactor, strengthens sluicing, reduces electrode passivation, and can greatly improve current turbulence and waterpower stirring, and enhanced coagulation reaction and bubble and flco bonding increase the coagulation air-float effect.Simultaneously, current enter the top by the bottom and flow out, and can not cause bubble alluvial and obstruction.
Because adopt multipole type to connect, electrode connection device is comparatively simple, adopt up and down the similar iron gasket (piece) of two forms and electrode anchor shape to engage with two pole plates up and down in the electrolysis reactor enclosure interior.At the outside closed power connecting column that adopts of electrolysis reactor, power connecting column passes reactor shell, and the bottom is connected with pad (piece) by cable.
The electrode anchor is PVC, PPR or the rubber sheet gasket (piece) of special processing, and its function has two: one, support electrode, and keeping suitable interelectrode distance, the 2nd, the sealing water conservancy diversion is to reach the hydromechanics feature of reactor.
The electrolysis reactor housing is the casing that PVC or PPR are welded, and the bottom is furnished with water inlet pipe, and the top is the removable seal lid, covers and is furnished with titting water outlet.Casing thickness should carry out the physical strength design, guarantees bearing capacity, and sealing cover adopts the sealing of flexible rubber bar, guarantees resistance to air loss, by bolt and casing riveted joint.
(2) tripping device by air flotation pool, water distribution system, scrape slag Scraping device, slag discharging device and mud discharging device and form.
Advantages such as this separation device adopts circular vertical-flow air flotation pond, and the center intakes, and peripheral effluent has fluid stable, even, and the effluent weir load is low, water outlet is effective.Water distribution system adopts central draft tube perforated pipe water distribution, and the head drag losses is less, and water distribution is even.
Scrape the slag Scraping device and adopt peripheral transmission, integral type to scrape the slag mud scraper synchronously, be about to slag scraper and mud scraper and be integrated in a set of equipment, utilize same driven by motor to realize scraping slag and scrape mud and carry out synchronously, that this equipment has is simple in structure, be easy to advantage such as maintenance management.
Slag discharging device adopts shaftless stainless steel worm conveyor, can realize smooth deslagging fully.
Mud discharging device adopts residual sea water pump, in the air flotation pool bottom sludge hopper and shore pipe is set, by the regular spoil disposal of sludge pump.
(3) power supply adopts extensive silicon controlled rectifier unicircuit D.C. regulated power supply, for electrolysis reactor provides the dc electrolysis electric current.This power supply has long service life, output accuracy height, advantage such as stable, easy and simple to handle.In order to prevent electrode passivation, power supply adopts self-timing to switch positive and negative electrode output setting, and two kinds of ports manually and are automatically controlled in outfit simultaneously, so that the different control of adaptation requirements.
Civilian electricity of traditional two-phase or three-phase power current are adopted in the power supply input, are output as direct current of voltage regulation, and outward current is not high, can adopt insulated cable to be connected with electrolysis reactor, and security is higher.
According to above-mentioned introduction as can be known, stdn electricity flocculation apparatus has following characteristic and advantage:
The first, adopt split-type design, place two independent device to carry out respectively electrolysis and sepn process, device structure is rationalized, thereby improved treating processes efficient.
The second, pole plate adopts multipole type to connect in the electrolysis reactor, can effectively reduce polar plate spacing, reduces bath voltage and energy consumption, and the ton water consumption reduces by 75%～90% than traditional electrical flocculation plant, has simplified power connection equipment and pole plate simultaneously and has changed operation.
Three, pole plate is horizontally disposed in the electrolysis reactor, combine with the electrode anchor, form the guide flow type electrolysis reactor, significantly improve flow velocity and current turbulence degree, strengthen sluicing and stirring, prevent that polarization of electrode and passivation from taking place, and increased flco and bubble touch opportunity, thereby strengthened the flocculation-air floating effect.
Four, the current general direction is bottom-up, and the minimizing bubble blocks up and stops up.
Five, tripping device adopts circular vertical-flow air flotation pond, the center water inlet, and peripheral effluent, fluid stable, even, the effluent weir load is low, effluent quality good.
Six, adopt peripheral transmission, integral type to scrape the slag mud scraper synchronously, scrape slag and scrape mud and carry out synchronously, that equipment has is simple in structure, be easy to maintenance management.
Seven, adopt shaftless stainless steel worm conveyor, can adapt to characteristics such as the high viscosity of oily waste residue, easy bonding fully, realize smooth deslagging.
Eight, adopt extensive silicon controlled rectifier unicircuit D.C. regulated power supply, long service life, output accuracy height, stable, easy and simple to handle adopt self-timing to switch positive and negative electrode output and are provided with, and prevent electrode passivation.
Nine, electric current is not high, can adopt insulated cable to be connected with electrolysis reactor, and electrolysis reactor adopts the sealing power connecting column to connect, and does not have exposed electric component, and security is higher.
Description of drawings
The pie graph of Fig. 1 stdn electricity flocculation apparatus
Among the figure: the 1-flow regulation device; The 2-electrolysis reactor; The 3-tripping device; The 4-power supply; The 5-Controlling System
Fig. 2 electrolysis reactor structural representation
Among the figure: the 6-water inlet pipe; The 7-pole plate; 8-connects electric pad; 9-electrode anchor and flow deflector; 10-housing and sealing cover; The 11-rising pipe
Fig. 3 tripping device structural representation
Among the figure: the 12-water inlet pipe; The 13-water (flow) direction; The 14-guide shell; The 15-baffle plate; The 16-motor; The 17-slag scraper; The 18-transmission shaft; The 19-mud scraper; The 20-worm conveyor; The 21-overflow weir; The 22-scum pipe; 23-stores up bucket; The 24-shore pipe; The 25-water shoot
Embodiment
Now in conjunction with the accompanying drawings structure of the present utility model and principle are described further.
Fig. 1 is the pie graph of stdn electricity flocculation apparatus.As seen from the figure, stdn electricity flocculation apparatus is made of flow regulation device (1), electrolysis reactor (2), tripping device (3), power supply (4) and Controlling System (5) usually.Wherein flow regulation device enters the wastewater flow of electric flocculation plant in order to metering and adjusting; Electrolysis reactor is made up of one group of metal electrode board, and electrolysis generates metal hydroxides flco and hydrogen under the situation of energising, thereby produces the flocculation-air floating effect; Tripping device then provides the place for pollutent in the waste water separates by the flocculation-air floating effect, and its essence is an air supporting settling tank, contains skimming and Scraping device, to realize slag (mud) water sepn; Power supply is the electric supply installation of electrolytic reaction, for electric flocculation process provides galvanic current, to finish electrolytic reaction; The major function of control device is to realize that a whole set of electric flocculation plant is coordinated, stable, operation automatically.
Fig. 2 is the electrolysis reactor structural representation.As seen from the figure, electrolysis reactor by pole plate (7), connect electric pad (8), electrode anchor (9) and housing (10) and form.Electrode is the iron plate of one group of parallel placement, connects electric mode and adopts multipole type to connect (tandem), promptly adopts the two end electrodes plate to connect electricity (negative or positive electrode), and middle plate adopts the influence electricity mode.Ferroelectric have higher current density and be difficult for advantage such as passivation, the bath voltage that the multipole type mode of connection then not only has can effectively reduce interelectrode distance, reduce electrolysis reactor, thereby cut down the consumption of energy, and have that power connection equipment is simple, distribution of current evenly, advantages such as pole plate easy accessibility, can also promote electrode surface to upgrade by continuous reverse, prevent electrode passivation.
Different with the box electrolysis reactor of tradition, the battery lead plate (7) of stdn electricity flocculation plant adopts horizontally disposed, combine with electrode anchor (9), realize diversion function, make waste water from electrolysis reactor bottom (6) with the electrolysis reactor of flowing through of the form of baffling (12) repeatedly, flow out from electrolysis reactor top (11).This decoration form not only can effectively improve the flow velocity in the electrolysis reactor, strengthens sluicing, reduces electrode passivation, and can greatly improve current turbulence and waterpower stirring, and enhanced coagulation reaction and bubble and flco bonding increase the coagulation air-float effect.Simultaneously, current enter the top by the bottom and flow out, and can not cause bubble alluvial and obstruction.
Because adopt multipole type to connect, electrode connection device is comparatively simple, adopt up and down the similar iron gasket (piece) of two forms and electrode anchor shape to engage with two pole plates up and down in the electrolysis reactor enclosure interior.At the outside closed power connecting column that adopts of electrolysis reactor, power connecting column passes reactor shell, and the bottom is connected with pad (piece) by cable.The electrode anchor is PVC, PPR or the rubber sheet gasket (piece) of special processing, and its function has two: one, support electrode, and keeping suitable interelectrode distance, the 2nd, the sealing water conservancy diversion is to reach the hydromechanics feature of reactor.
Electrolysis reactor housing (10) is the casing that PVC or PPR are welded, and the bottom is furnished with water inlet pipe, and the top is a removable seal lid (10), covers and is furnished with titting water outlet.Casing thickness should carry out the physical strength design, guarantees bearing capacity, and sealing cover adopts the sealing of flexible rubber bar, guarantees resistance to air loss, by bolt and casing riveted joint.
Fig. 3 is the tripping device structural representation.This separation device adopts circular vertical-flow air flotation pond, center water inlet (12), peripheral effluent (25), current (13) are the spoke stream mode, have fluid stable, advantage such as even, because overflow weir (21) length equals pond body girth, unit length weir load is lower, has the good advantage of effluent quality; Baffle plate (15) is set, to guarantee effluent quality before the weir.
Water distribution system adopts central draft tube perforated pipe water distribution (14), and guide shell has the effect that keeps fluidised form, realizes flocculation reaction, is evenly distributed with water distributing pore on the guide shell, guarantees that water distribution is even.
Scraping the slag Scraping device adopts peripheral transmission, integral type to scrape the slag mud scraper synchronously.Slag scraper (17) and mud scraper (19) are integrated in a set of equipment, utilize same motor (16) to drive a transmission shaft (18) and realize scraping slag and scrape mud and carry out synchronously, that this equipment has is simple in structure, be easy to advantage such as maintenance management.
Slag discharging device adopts shaftless stainless steel worm conveyor (20), realizes smooth deslagging (22).Mud discharging device adopts residual sea water pump, in the air flotation pool bottom sludge hopper (23) and shore pipe (24) is set, by the regular spoil disposal of sludge pump.
Stdn electricity flocculation apparatus design set forth in the present invention can instruct the electric flocculation apparatus processing and manufacturing of all size, to be used for various industries, all kinds engineering of water treatment, is not limited to specific examples.
Claims (15)
1. a stdn electricity flocculation apparatus design is characterized in that: the electrolysis and the flocculation-air floating process of electric flocculation process are realized respectively in two equipment respectively, with simplified apparatus structure design difficulty, improve unit process efficient.The equipment of realizing electrolytic functional is called electrolysis reactor, realizes the tripping device that is called of flocculation-air floating sepn process.
2. the electrolysis reactor of narrating according to claim 1, it is characterized in that: with electric current usefulness is that core parameter carries out technological design; Follow simultaneously and rationally reduce interelectrode distance, with cut down the consumption of energy, the principle of reinforcing mass transfer, carry out structure design; In addition, structure design also will be considered comprehensively, connects electricity, installation and operation maintenance difficulties with simplification.
3. according to tripping device that claim 1 is narrated, it is characterized in that: design should design according to reaction process, the residence time characteristic distributions of flocculation-air floating process, rationally choose processing parameters such as flocculation reaction time, the air supporting residence time, overflow weir load, and pond body configuration and structure analyzed, choose the tripping device type of separation efficiency height, good separating effect.
4. the stdn electricity flocculation apparatus design of narrating according to claim 1, it is characterized in that: (1) is designed the connection between electrolysis reactor and the tripping device, to meet the basic demand of coagulation air-float reaction process; The stdn electricity flocculation apparatus that (2) one covers are complete should comprise flow regulation device, electrolysis reactor, tripping device, power supply and Controlling System.
5. the electrolysis reactor of narrating according to claim 2 is characterized in that: be made up of electrode, power connection equipment, electrode anchor and housing.
6. according to electrode that claim 5 is narrated, it is characterized in that: adopt horizontally disposedly, combine, realize diversion function with the electrode anchor, make waste water from the electrolysis reactor bottom with the electrolysis reactor of flowing through of the form of baffling repeatedly, flow out from the electrolysis reactor top.This decoration form can effectively improve the flow velocity in the electrolysis reactor, strengthen sluicing, reduce electrode passivation, and can greatly improve current turbulence and waterpower stirring, enhanced coagulation reaction and bubble and flco bonding, increase the coagulation air-float effect, prevent bubble alluvial and obstruction simultaneously.
7. the power connection equipment of narrating according to claim 5 is characterized in that: adopt multipole type to connect (tandem), promptly adopt the two end electrodes plate to be connected middle plate employing influence electricity mode with two iron gaskets (piece) up and down.This can effectively reduce interelectrode distance, reduce the bath voltage of electrolysis reactor, thereby cuts down the consumption of energy, and has advantages such as power connection equipment is simple, distribution of current even, pole plate easy accessibility.At the outside closed power connecting column that adopts of electrolysis reactor, power connecting column passes reactor shell, and inside is connected with pad (piece) by cable.
8. the electrode anchor of narrating according to claim 5, it is characterized in that: adopt PVC, PPR or the rubber sheet gasket (piece) of special processing, its function has two: one, and support electrode is to keep suitable interelectrode distance, the 2nd, the sealing water conservancy diversion is to reach the hydromechanics feature of reactor.
9. the housing of narrating according to claim 5 is characterized in that: the casing that adopts PVC or PPR to be welded, and the bottom is furnished with water inlet pipe, and the top is the removable seal lid, covers and is furnished with titting water outlet.Casing thickness should carry out the physical strength design, guarantees bearing capacity, and sealing cover adopts the sealing of flexible rubber bar, guarantees resistance to air loss, is connected with casing by bolt.
10. according to tripping device that claim 3 is narrated, it is characterized in that: by air flotation pool, water distribution system, scrape slag Scraping device, slag discharging device and mud discharging device and form.
Advantages such as 11. the air flotation pool according to claim 10 is narrated is characterized in that: adopt circular vertical-flow air flotation pond, the center intakes, and peripheral effluent has fluid stable, even, and the effluent weir load is low, water outlet is effective.
12. the water distribution system according to claim 10 is narrated is characterized in that: adopt central draft tube perforated pipe water distribution, have the effect that keeps fluidised form, realizes flocculation reaction, be evenly distributed with water distributing pore on the guide shell, guarantee that water distribution is even.
13. scrape the slag Scraping device according to what claim 10 was narrated, it is characterized in that: adopt peripheral transmission, integral type to scrape the slag mud scraper synchronously, being about to slag scraper and mud scraper is integrated in a set of equipment, utilize same driven by motor to realize scraping slag and scrape mud and carry out synchronously, that this equipment has is simple in structure, be easy to advantage such as maintenance management.
14. the slag discharging device according to claim 10 is narrated is characterized in that: adopt shaftless stainless steel worm conveyor, can realize smooth deslagging fully.
15. the power supply according to claim 4 is narrated is characterized in that: adopt extensive silicon controlled rectifier unicircuit D.C. regulated power supply; Adopt self-timing to switch positive and negative electrode output and be provided with, to prevent electrode passivation; Be equipped with simultaneously and manually and automatically control two kinds of ports, so that adapt to different control requirements.
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| CN102153201A (en) * | 2011-05-12 | 2011-08-17 | 武汉金伟利环保工程有限公司 | Electromagnetism sewage-treatment system and electromagnetism sewage-treatment method |
| CN102826634A (en) * | 2012-09-13 | 2012-12-19 | 天津首新科技有限公司 | Large-volume split type sterilization clean water generator |
| CN103304010A (en) * | 2013-06-19 | 2013-09-18 | 广东沃杰森环保科技有限公司 | High-efficiency electrocoagulation device for sewage treatment |
| CN104192954A (en) * | 2014-08-13 | 2014-12-10 | 东莞市东元新能源科技有限公司 | Electrocoagulation waste water treatment device |
| CN105540758A (en) * | 2016-03-02 | 2016-05-04 | 四川悦承环保节能科技有限公司 | Multipole type electric flocculation and electroflotation integrated device |
| CN104192954B (en) * | 2014-08-13 | 2016-11-30 | 东莞市东元新能源科技有限公司 | A kind of electricity flocculation wastewater treatment equipment |
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| CN102153201A (en) * | 2011-05-12 | 2011-08-17 | 武汉金伟利环保工程有限公司 | Electromagnetism sewage-treatment system and electromagnetism sewage-treatment method |
| CN102826634A (en) * | 2012-09-13 | 2012-12-19 | 天津首新科技有限公司 | Large-volume split type sterilization clean water generator |
| CN102826634B (en) * | 2012-09-13 | 2014-01-01 | 天津首新科技有限公司 | Large-volume split type sterilization clean water generator |
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| CN104192954A (en) * | 2014-08-13 | 2014-12-10 | 东莞市东元新能源科技有限公司 | Electrocoagulation waste water treatment device |
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| CN105540758A (en) * | 2016-03-02 | 2016-05-04 | 四川悦承环保节能科技有限公司 | Multipole type electric flocculation and electroflotation integrated device |
| CN108928893A (en) * | 2018-09-14 | 2018-12-04 | 上海济俭工业设备有限公司 | A kind of shaft-shell structure electrolysis electrocatalytic oxidation electric flocculation reaction unit |
| WO2020097694A1 (en) * | 2018-11-16 | 2020-05-22 | Hydrus Technology Pty. Ltd. | Method of treating a liquid including an organofluorine |
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Application publication date: 20110413 |