CN109231608A - A kind of wastewater electrochemical treatment strengthening and processing device and method - Google Patents
A kind of wastewater electrochemical treatment strengthening and processing device and method Download PDFInfo
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- CN109231608A CN109231608A CN201811464812.6A CN201811464812A CN109231608A CN 109231608 A CN109231608 A CN 109231608A CN 201811464812 A CN201811464812 A CN 201811464812A CN 109231608 A CN109231608 A CN 109231608A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/45—Phosphates containing plural metal, or metal and ammonium
- C01B25/451—Phosphates containing plural metal, or metal and ammonium containing metal and ammonium
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
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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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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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- Environmental & Geological Engineering (AREA)
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- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to a kind of wastewater electrochemical treatment strengthening and processing device and methods, device includes sedimentation basin, the first electrolytic cell, the second electrolytic cell and DC power supply, sedimentation basin is equipped with water inlet, sedimentation basin, the first electrolytic cell and the second electrolytic cell pass sequentially through water pipe connection, and the second electrolytic cell is equipped with water outlet to be opened/closed；At least a pair of electrodes is equipped in first electrolytic cell, the anode in the first electrolytic cell in all paired electrodes uses magnesium or magnesium alloy materials；At least a pair of electrodes is equipped in second electrolytic cell；The anode and cathode of all paired electrodes is electrically connected the anode and cathode of DC power supply.The device of the invention is easy to operate, has good removal effect to nitrogen phosphorus and organic matter；It to the well adapting to property of processing of all kinds of sewage, is not fluctuated by water quality and quantity, the influence of bioactivity；The magnesium ammonium phosphate sediment that treatment process generates can be recycled for doing agriculture slow-release fertilizer, solve the pollution problem of nitrogen phosphorus in sewage, while being conducive to waste resource recovery utilization.
Description
Technical field
The invention belongs to technical field of waste water processing, and in particular to a kind of wastewater electrochemical treatment strengthening and processing device and method.
Background technique
The treatment effect of traditional wastewater biological treatment by influent quality water and Sludge Activity influenced compared with
Greatly, and biological treatment needs that time and resource is spent to go domestication culture activated sludge so that bioreactor successfully opens early period
It is dynamic.For the sewage of the nutrient imbalances such as the big, low-carbon-source of water quality and quantity fluctuation, conventional biological treatment it is ineffective.Currently, normal
Rule biological treatment fail it is up to standard in the case where, usually also to strengthen the removal effect of nitrogen phosphorus in conjunction with chemical method, generally
Using the method for adding carbon source enhanced bio-treatment, adding dephosphorization agent (flocculant) reinforced phosphor-removing, but corresponding higher cost
And the sludge generated after chemical strengthening dephosphorization increases additional manpower and material resources there is still a need for being further processed, and improves processing cost.This
Outside, waste disposal and a kind of wasting of resources are carried out to the rich phosphorus chemistry sludge that chemical strengthening dephosphorization process generates, being unfavorable for can
Sustainable development.
Summary of the invention
For the above-mentioned deficiency of the prior art, the technical problem to be solved in the present invention is to provide a kind of reinforcings of wastewater electrochemical treatment
Processing unit and method, avoid deficiency in sewage treatment of traditional biological method processing sewage and chemical strengthening dephosphorization, at acquirement
Reason process is simple to operate, and controllability is strong, and treatment effeciency is high and the effect that utilizes convenient for recovery of nitrogen and phosphorus.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of wastewater electrochemical treatment strengthening and processing device, including sedimentation basin, the first electrolytic cell, the second electrolytic cell and DC power supply, institute
Sedimentation basin is stated equipped with water inlet, the sedimentation basin, the first electrolytic cell and the second electrolytic cell pass sequentially through water pipe connection, institute
The second electrolytic cell is stated equipped with water outlet to be opened/closed；At least a pair of electrodes is equipped in first electrolytic cell, in the first electrolytic cell
Anode in all paired electrodes uses magnesium or magnesium alloy materials；At least a pair of electrodes is equipped in second electrolytic cell；It is all
The anode and cathode of paired electrode is electrically connected the anode and cathode of the DC power supply.
Wastewater electrochemical treatment strengthening and processing device of the invention carries out precipitation process to sewage by sedimentation basin, in the first electricity
Xie Chizhong makees anode with magnesium or magnesium alloy, and graphite, platinum, titanium or titanium-based metal oxide etc. make cathode, using anode material in electricity
The magnesium ion generated when solution reacts generation magnesium ammonium phosphate sediment with ammonium root, phosphate radical in sewage and goes dephosphorization, and can recycle benefit
With；In the second electrolytic cell, anode uses ti-supported lead dioxide electric or graphite, and cathode uses graphite, stainless steel or titanium, utilizes generation
Electric flocculation, the suction-operated of electrode surface, electric floating stripping effect removal part organic nitrogen and inorganic nitrogen, utilize electrochemistry
Ammonia nitrogen in oxidation removal water body utilizes the direct electricity of insoluble anode using the inorganic nitrogen in electrochemical reduction removal sewage
Solution oxidation utilizes reaction product of anode (such as Cl2、ClO-、O2Deng) indirect oxidation effect degradation go water removal in organic matter,
The water body that obtains that treated.
The electrochemical treatments that the device of the invention combines generate a large amount of free radical under the action of extra electric field, utilize
The strong oxidizing property of free radical degrades to the pollutant in sewage, compared with other water treatment technologies, has multi-functional, high
The advantages that flexibility of degree, pollution-free or of low pollution, easily controllable property, economy；And nutrient imbalance saprobia can be overcome
The problems such as treatment effeciency is low can save the cost for adding chemical dephosphorization agent, post-processing.It is carried out by force compared to dephosphorization agent is added
Phosphorus is eliminated, the cost using electrochemically strengthening processing unit is more economical；It is heavy using the electrochemistry of ammonium magnesium phosphate (guanite) principle
Shallow lake dephosphorization, generated chemical precipitation (guanite) can be achieved recycling use, be excellent nitrogenous-phosphatic manure, in water, soil it is wet
Water is only slightly soluble in environment, nutrient release rate is slower than other solvable fertilizer, can make slow-release fertilizer；The guanite of recycling also can be supplied to
Basin periphery flowers or vegetables planting base uses, and realizes: the benign cycle that phosphorus processing-phosphorus recycling-phosphorus recycles, from source reduction
Nitrogen phosphorus fertilizer input quantity, meets sustainable development idea.
The treatment process of wastewater electrochemical treatment strengthening and processing device of the invention is simple to operate, controllability is strong, can pass through
Change energy supply intensity and water body residence time to realize lower phosphorus aqueous concentration (or water quality mentions mark), and is different from biological treatment
Technique, there is no acclimation sludge and the debugging spent times, can be used with the opening with quick start, labour cost, operational management
Expense is lower.
Above-mentioned technical proposal is further improved, the water pipe of first electrolytic cell to the second electrolytic cell is equipped with filtering
Device.
In this way, the ammoniomagnesium phosphate crystal of partial suspended enters the second electricity with water body in water body after avoiding the first electrolytic cell from handling
Xie Chi dissolves in the treatment process of the second electrolytic cell, and TP concentration is caused to handle decline later and weight through the first electrolytic cell originally
New microlitre of the problem of.
Further, the bottom of the sedimentation basin, the first electrolytic cell and the second electrolytic cell is connected separately with is connected to inside
Spoil disposal pipeline, the bottom of pond face of the sedimentation basin, the first electrolytic cell and the second electrolytic cell be towards and respective spoil disposal pipeline
The inclined surface that link position gradually decreases, the spoil disposal pipeline are equipped with shut-off valve.
In this way, convenient for the physical layering of water body after sediment in each pond body and processing, convenient for the discharge of sediment.
Further, the water pipe is equipped with shut-off valve and water pump.
In this way, convenient for the standing of water body in each pond body；The use of water pump can make two of water pipe between each pond body
End is more arbitrarily arranged, and is not limited by space height, be can be high or low between pond body, convenient for setting with environment, place, adapts to
Property is stronger.
Further, the electrode is fixed by pole plate fixed frame and controls spacing.
In this way, the fixation of the pole plate convenient for electrode, convenient for control spacing posture.
The invention further relates to a kind of wastewater electrochemical treatment enhanced processing methods, including first carry out precipitation process to sewage, obtain
Water body after precipitating, then first time electrolysis processing is carried out to water body after precipitating, electrolysis processing for the first time makees anode with magnesium or magnesium alloy,
The magnesium ion generated using anode in electrolysis is removed the phosphorus after precipitating in water body and obtains water body after dephosphorization；Then to dephosphorization
Water body carries out second of electrolysis processing afterwards, water body after removing the nitrogen and organic matter after dephosphorization in water body and being handled.
When this method is carried out based on above-mentioned wastewater electrochemical treatment strengthening and processing device, include the following steps:
1) sewage no more than pond body cubical content 80% is passed through into sedimentation basin from water inlet, is obtained after staticly settling 30-60min
Water body after precipitating is passed through the first electrolytic cell by water body after precipitating, and the sediment of sedimentation basin bottom of pond is discharged；
2) the first electrolytic cell is passed through after precipitating after water body, opens DC power supply, and current strength 1-5A, reaction time 3-6h are utilized
The phosphorus reaction in magnesium ion and water body that anode is generated in electrolysis generates ammonium magnesium phosphate sediment, closes direct current after the reaction was completed
Source, obtains water body after dephosphorization after staticly settling 30-60min, and water body after dephosphorization is passed through the second electrolytic cell, by the first electrolytic cell pond
The ammonium magnesium phosphate sediment at bottom is discharged and Collection utilization；
3) the second electrolytic cell is passed through after dephosphorization after water body, opens DC power supply, current strength 1-5A, reaction time 3-6h, reaction
DC power supply is closed after the completion, staticly settle water body after being handled after 30-60min and is discharged from water outlet, by the second electrolysis
The sediment of pond bottom of pond is discharged.
Preferably, the ratio between molar concentration of ammonium ion and phosphate anion that the sewage contains is 1:0.2-1.Herein
To preferable pollutant removal can be obtained in range.
Preferably, current strength is 5A in step 2 and step 3).Going for pollutant can be effectively improved by increasing electric current
Except efficiency.
Compared with prior art, the invention has the following beneficial effects:
1, the present invention handles sewage using electrochemical techniques, and easy to operate, up-front investment is at low cost, has to nitrogen phosphorus and organic matter
Good removal effect.
2, the present invention is not fluctuated, the shadow of bioactivity the well adapting to property of processing of all kinds of sewage by water quality and quantity
It rings.
3, the controllability of apparatus of the present invention is strong, for the sewage of different quality, by adjusting electrochemical process parameter, such as pole
Pollutant process efficiency can be improved in plate spacing, current strength, plate material etc..
4, the operating cost of apparatus of the present invention is low, and process can realize automatic control, saves human resources, has compared biography
System bioprocess technology and chemical dephosphorization technology, cost is relatively low.
5, the magnesium ammonium phosphate sediment that treatment process of the present invention generates can be recycled for doing agriculture slow-release fertilizer, not only solve dirt
The pollution problem of nitrogen phosphorus in water, while being conducive to waste resource recovery utilization, the economic benefit that can get both and environmental benefit.
Detailed description of the invention
The structural schematic diagram of Fig. 1-specific embodiment wastewater electrochemical treatment strengthening and processing device；
The removal effect schematic diagram of the first electrolytic cell in Fig. 2-embodiment one to TP；
The removal effect schematic diagram of the first electrolytic cell in Fig. 3-embodiment one to COD；
The removal effect schematic diagram of the first electrolytic cell in Fig. 4-embodiment one to TN；
The removal effect schematic diagram of the second electrolytic cell in Fig. 5-embodiment one to COD；
The removal effect schematic diagram of the first electrolytic cell in Fig. 6-embodiment two to TP；
Wherein, sedimentation basin 1, the first electrolytic cell 2, the second electrolytic cell 3, DC power supply 4, pole plate fixed frame 5, cathode II 6, anode II
7, anode I 8, cathode I 9, water pump II 10, water pump I 11, shut-off valve I 12, shut-off valve II 13, shut-off valve III 14, shut-off valve IV 15,
Sludge pipe 16, water inlet pipe 17, drainpipe I 18, drainpipe II 19, filter device 20.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Participate in Fig. 1, a kind of wastewater electrochemical treatment strengthening and processing device of specific embodiment, including sedimentation basin 1, the first electrolytic cell
2, the second electrolytic cell 3 and DC power supply 4.
The sedimentation basin 1 and water inlet pipe 17, sludge pipe 16, drainpipe I 18 are connected, bottom of pond be set as inclined-plane and to spoil disposal
The position inclination that pipe 16 connects, in order to assemble and be discharged sediment, the spoil disposal pipeline section of corresponding 1 bottom of sedimentation basin is equipped with cut-off
Valve I 12 is controlled the tapping process of sedimentation basin 1 by opening and closing cut-off valve I 12, water pump I 11 is arranged on drainpipe I 18.
First electrolytic cell 2 is connected with drainpipe I 18, sludge pipe 16, drainpipe II 19, bottom of pond be set as inclined-plane and to
The position inclination being connect with sludge pipe 16, in order to assemble and be discharged sediment, the spoil disposal pipeline section of corresponding first electrolytic cell, 2 bottom
It is equipped with shut-off valve II 13, the deslagging of the first electrolytic cell 2 is controlled by opening and closing cut-off valve II 13, water pump is set on drainpipe II 19
Ⅱ10；A pair of electrodes, i.e. anode I 8 and cathode I 9 are at least set in first electrolytic cell 2, and anode I 8 connects direct current by electric wire
The anode in source 4, the cathode of the connection DC power supply 4 of cathode I 9, anode I 8 use magnesium or magnesium alloy materials, the use of cathode I 9 graphite,
Platinum, titanium or titanium-based metal oxide are provided with three pairs of pole plates in the present embodiment in the first electrolytic cell 2, pole plate spacing is 7-14cm,
Pole plate layout uses the arranged crosswise mode of anode, cathode, anode, cathode, anode, cathode, and fixed by pole plate fixed frame 5
Pole plate spacing.
Second electrolytic cell 3 is connected with drainpipe II 19, sludge pipe 16 and outlet pipe, bottom of pond be set as inclined-plane and to
The position inclination that sludge pipe 16 connects, in order to assemble and be discharged sediment, on the spoil disposal pipeline section of corresponding second electrolytic cell, 3 bottom
Equipped with shut-off valve III 14, the deslagging of the second electrolytic cell 3 is controlled by opening and closing cut-off valve III 14, outlet pipe is equipped with shut-off valve IV
15；It is controlled and is drained by opening and closing cut-off valve IV 15, a pair of electrodes, i.e. anode II 7 and cathode II are at least set in the second electrolytic cell 3
6, anode II 7 connects the anode of DC power supply 4 by electric wire, and cathode II 6 connects the cathode of DC power supply 4, and anode II 7 uses titanium
Base lead dioxide or graphite, cathode II 6 use graphite, stainless steel or titanium, are provided with three pairs in the present embodiment in the second electrolytic cell 3
Pole plate, pole plate spacing are 7-14cm, and pole plate layout uses the arranged crosswise side of anode, cathode, anode, cathode, anode, cathode
Formula, and pass through 5 fixed polar plate spacing of pole plate fixed frame.
Shut-off valve is also equipped on drainpipe I 18 and drainpipe II 19；Filter device 20 is additionally provided on drainpipe II 19.
When implementation, the spoil disposal pipeline section of each pool bottom can also be not attached on a pipeline, and use respective one row
Mud pipeline adds the mode of shut-off valve.
When implementation, each pole plate should be protruded into the water body in corresponding electrolytic cell, first electrolytic cell 2 in the energized state,
The electrolytically generated magnesium ion of anode I 8, reacted with ammonium root, phosphate radical in sewage generate magnesium ammonium phosphate sediment, by the phosphorus in sewage with
Ammonium magnesium phosphate form is precipitated and can be recycled by sludge pipe 16.
Second electrolytic cell 3 in the energized state, generates the reactions such as electric flocculation, electric floating and electrochemical redox and goes
Except Water and organic matter.
The present invention separately provides a kind of method of wastewater electrochemical treatment intensive treatment simultaneously, including first carries out place of settling to sewage
Reason, water body after being precipitated, then first time electrolysis processing is carried out to water body after precipitating, electrolysis processing for the first time is with magnesium or magnesium alloy
Make anode, the magnesium ion generated using anode in electrolysis is removed the phosphorus after precipitating in water body and obtains water body after dephosphorization；Then
Second of electrolysis processing is carried out to water body after dephosphorization, water body after removing the nitrogen and organic matter after dephosphorization in water body and being handled.
When this method is carried out based on above-mentioned wastewater electrochemical treatment strengthening and processing device, include the following steps:
1) other shut-off valves in device are closed, are passed through the dirt no more than pond body cubical content 80% into sedimentation basin 1 from water inlet pipe 17
Water staticly settles water body after being precipitated after 30-60min, shut-off valve and water pump I 11 on drainpipe I 18 is opened, after precipitating
Water body is pumped into the first electrolytic cell 2, after drawing water, closes the shut-off valve and water pump I 11 on drainpipe I 18, opening stop valve I
12, the sediment of 1 bottom of pond of sedimentation basin is discharged；
2) the first electrolytic cell 2 is passed through after precipitating after water body, opens DC power supply 4, current strength 1-5A, reaction time 3-6h, benefit
The phosphorus reaction in magnesium ion and water body generated with anode in electrolysis generates ammonium magnesium phosphate sediment, closes direct current after the reaction was completed
Power supply 4 obtains water body after dephosphorization after staticly settling 30-60min, opens shut-off valve and water pump II 10 on drainpipe II 19, will
Water body is pumped into the second electrolytic cell 3 after dephosphorization, after drawing water, closes the shut-off valve and water pump II 10 on drainpipe II 19, opens
Shut-off valve II 13, the discharge of ammonium magnesium phosphate sediment and Collection utilization by 2 bottom of pond of the first electrolytic cell；
3) the second electrolytic cell 3 is passed through after dephosphorization after water body, opens DC power supply 4, current strength 1-5A, reaction time 3-6h, instead
Should after the completion of close DC power supply 4, staticly settle after handle after 30-60min water body simultaneously opening stop valve IV 15 from water outlet
Pipe discharge, is then turned on shut-off valve III 14, and the sediment of 3 bottom of pond of the second electrolytic cell is discharged.
The ratio between molar concentration of ammonium ion and phosphate anion that the sewage contains is 1:0.2-1, within this range
To preferable pollutant removal can be obtained.
In step 2 and step 3), the removal efficiency of pollutant, preferably current strength can be effectively improved by increasing electric current
For 5A.
Embodiment one
It is handled using water inlet raw water of the present invention to a certain purification of water quality factory, influent quality situation is as follows:
Water quality situation: 26.7 ~ 69.5mg/L of CODcr；NH3-N 17.7~26.3mg/L；TN 18.8~29.5mg/L；TP 1.1~
1.9mg/L。
Treatment effect is as follows:
As shown in Fig. 2, the first electrolytic cell 2 is significant to the removal effect of TP, in current strength I=5A, when the processing time is 3h, TP
Concentration can be reduced to 0.5mg/L hereinafter, TP removal rate about 75%；When the processing time reaches 6h, TP concentration can be reduced to 0.2mg/L, TP
Removal rate about 90%.
As shown in figure 3, the first electrolytic cell 2 is preferable to the removal effect of COD, in current strength I=5A, the processing time is 6h
When, COD concentration can be reduced to 25 ~ 30 mg/L, COD removal rate about 35 ~ 50%.
As shown in figure 4, the first electrolytic cell 2 is unobvious to the removal effect of TN.
As shown in figure 5, the second electrolytic cell 3 continues to remove COD, in current strength I=5A, when the processing time is 6h, COD bis-
Secondary removal rate is up to 50% or so.
Second electrolytic cell 3 is preferable to the removal effect of TN, and in current strength I=5A, when the processing time is 6h, TN concentration can
It is reduced to 8 ~ 12 mg/L, TN removal rate about 55 ~ 70%.
Embodiment two
It is discharged using membrane bioreactor (MBR) of the present invention to a certain purification of water quality factory and carries out intensive treatment, in the water outlet only
Have phosphorus below standard, water quality situation is as follows:
Water quality situation: 5.2 ~ 11.7 mg/L of CODcr；NH3-N 0.13~0.34 mg/L；TN 8.5~12.7 mg/L；TP 1.3
~1.6mg/L
Treatment effect is as follows:
As shown in fig. 6, the first electrolytic cell 2, in current strength I=1A, when the processing time is 2h, water outlet TP can be realized reaches level-one
A mark discharge, when the processing time reaches 3h, water outlet TP can be lower than 0.3mg/L, and that realizes phosphorus proposes mark discharge.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (9)
1. a kind of wastewater electrochemical treatment strengthening and processing device, including sedimentation basin, the first electrolytic cell, the second electrolytic cell and DC power supply,
It is characterized by: the sedimentation basin is equipped with water inlet, the sedimentation basin, the first electrolytic cell and the second electrolytic cell pass sequentially through water
The connection of flow tube road, second electrolytic cell are equipped with water outlet to be opened/closed；At least a pair of electrodes is equipped in first electrolytic cell,
Anode in first electrolytic cell in all paired electrodes uses magnesium or magnesium alloy materials；At least one is equipped in second electrolytic cell
To electrode；The anode and cathode of all paired electrodes is electrically connected the anode and cathode of the DC power supply.
2. a kind of wastewater electrochemical treatment strengthening and processing device according to claim 1, it is characterised in that: first electrolytic cell is extremely
The water pipe of second electrolytic cell is equipped with filter device.
3. a kind of wastewater electrochemical treatment strengthening and processing device according to claim 1, it is characterised in that: the sedimentation basin, first
The bottom of electrolytic cell and the second electrolytic cell, which is connected separately with, is connected with inside spoil disposal pipeline, the sedimentation basin, the first electrolytic cell
Bottom of pond face with the second electrolytic cell is the inclined surface gradually decreased towards the link position with respective spoil disposal pipeline, the spoil disposal
Pipeline is equipped with shut-off valve.
4. a kind of wastewater electrochemical treatment strengthening and processing device according to claim 1, it is characterised in that: set on the water pipe
There are shut-off valve and water pump.
5. a kind of wastewater electrochemical treatment strengthening and processing device according to claim 1, it is characterised in that: the electrode passes through pole plate
Fixed frame is fixed and controls spacing.
6. a kind of wastewater electrochemical treatment enhanced processing method, it is characterised in that: including first carrying out precipitation process to sewage, precipitated
Water body afterwards, then first time electrolysis processing is carried out to water body after precipitating, electrolysis processing for the first time makees anode with magnesium or magnesium alloy, utilizes
The magnesium ion that anode is generated in electrolysis removes the phosphorus after precipitating in water body and obtains water body after dephosphorization；Then to water after dephosphorization
Body carries out second of electrolysis processing, water body after removing the nitrogen and organic matter after dephosphorization in water body and being handled.
7. a kind of wastewater electrochemical treatment enhanced processing method according to claim 6, it is characterised in that: this method is wanted based on right
It seeks a kind of wastewater electrochemical treatment strengthening and processing device described in any one of 1-5 and carries out, include the following steps:
1) sewage no more than pond body cubical content 80% is passed through into sedimentation basin from water inlet, is obtained after staticly settling 30-60min
Water body after precipitating is passed through the first electrolytic cell by water body after precipitating, and the sediment of sedimentation basin bottom of pond is discharged；
2) the first electrolytic cell is passed through after precipitating after water body, opens DC power supply, and current strength 1-5A, reaction time 3-6h are utilized
The phosphorus reaction in magnesium ion and water body that anode is generated in electrolysis generates ammonium magnesium phosphate sediment, closes direct current after the reaction was completed
Source, obtains water body after dephosphorization after staticly settling 30-60min, and water body after dephosphorization is passed through the second electrolytic cell, by the first electrolytic cell pond
The ammonium magnesium phosphate sediment at bottom is discharged and Collection utilization；
3) the second electrolytic cell is passed through after dephosphorization after water body, opens DC power supply, current strength 1-5A, reaction time 3-6h, reaction
DC power supply is closed after the completion, staticly settle water body after being handled after 30-60min and is discharged from water outlet, by the second electrolysis
The sediment of pond bottom of pond is discharged.
8. a kind of wastewater electrochemical treatment enhanced processing method according to claim 7, it is characterised in that: the ammonium that the sewage contains
The ratio between molar concentration of radical ion and phosphate anion is 1:0.2-1.
9. a kind of wastewater electrochemical treatment enhanced processing method according to claim 7, it is characterised in that: in step 2 and step 3)
Current strength is 5A.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824125A (en) * | 2019-03-15 | 2019-05-31 | 济南大学 | Electrochemically strengthening sacrificial anode water purifying process and device |
| CN110655241A (en) * | 2019-11-15 | 2020-01-07 | 国网天津市电力公司 | Electrochemical treatment system for domestic sewage of transformer substation |
| CN112723619A (en) * | 2020-12-22 | 2021-04-30 | 贵州鑫立方环保科技有限公司 | High-efficiency industrial sewage treatment method based on electrochemistry and membrane filtration technology |
| CN113402108A (en) * | 2021-05-26 | 2021-09-17 | 中化学朗正环保科技有限公司 | Treatment system and method for high-grease phosphorus-rich sewage |
| CN113401977A (en) * | 2021-07-01 | 2021-09-17 | 上海交通大学重庆研究院 | Device and method for recovering nitrogen and phosphorus of town landfill leachate |
| CN113840647A (en) * | 2019-05-13 | 2021-12-24 | 安克信水技术公司 | Method and system for efficient and sustainable electrochemical treatment of wastewater |
| CN116002896A (en) * | 2022-12-22 | 2023-04-25 | 重庆大学 | Sewage water quality purification system and method |
| CN116924596A (en) * | 2023-05-30 | 2023-10-24 | 深圳市新西林园林景观有限公司 | Electrochemical device for sponge urban sewage treatment and treatment method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10225690A (en) * | 1996-12-10 | 1998-08-25 | Sanyo Electric Co Ltd | Treatment of phosphoric acid ions-containing waste water and treatment device therefor |
| CN200958062Y (en) * | 2006-05-27 | 2007-10-10 | 王志力 | Electrocatalytic waste-water processor of automatic efficient energy-saving |
| CN106045141A (en) * | 2016-06-30 | 2016-10-26 | 浙江大学苏州工业技术研究院 | Method and device for electrochemical treatment of medical and chemical wastewater |
| CN107235537A (en) * | 2017-06-13 | 2017-10-10 | 重庆大学 | A kind of wastewater electrochemical treatment denitrification and dephosphorization method |
| CN107487814A (en) * | 2017-08-21 | 2017-12-19 | 吉林大学 | A kind of electrochemical method of high ammonia nitrogen and high phosphorized waste water recycling |
| CA2783519C (en) * | 2012-07-23 | 2018-06-19 | E2Metrix Inc. | Method for simultaneous elimination of orthophosphate and ammonium using electrolytic process |
| CN207645868U (en) * | 2017-11-30 | 2018-07-24 | 江苏云瑞环境科技股份有限公司 | A kind of electro-chemical water processing equipment with gradient electrolysis strength |
-
2018
- 2018-12-03 CN CN201811464812.6A patent/CN109231608A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10225690A (en) * | 1996-12-10 | 1998-08-25 | Sanyo Electric Co Ltd | Treatment of phosphoric acid ions-containing waste water and treatment device therefor |
| CN200958062Y (en) * | 2006-05-27 | 2007-10-10 | 王志力 | Electrocatalytic waste-water processor of automatic efficient energy-saving |
| CA2783519C (en) * | 2012-07-23 | 2018-06-19 | E2Metrix Inc. | Method for simultaneous elimination of orthophosphate and ammonium using electrolytic process |
| CN106045141A (en) * | 2016-06-30 | 2016-10-26 | 浙江大学苏州工业技术研究院 | Method and device for electrochemical treatment of medical and chemical wastewater |
| CN107235537A (en) * | 2017-06-13 | 2017-10-10 | 重庆大学 | A kind of wastewater electrochemical treatment denitrification and dephosphorization method |
| CN107487814A (en) * | 2017-08-21 | 2017-12-19 | 吉林大学 | A kind of electrochemical method of high ammonia nitrogen and high phosphorized waste water recycling |
| CN207645868U (en) * | 2017-11-30 | 2018-07-24 | 江苏云瑞环境科技股份有限公司 | A kind of electro-chemical water processing equipment with gradient electrolysis strength |
Non-Patent Citations (1)
| Title |
|---|
| 陈龙等: "电化学沉淀法从废水中回收鸟粪石", 《环境工程学报》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109824125A (en) * | 2019-03-15 | 2019-05-31 | 济南大学 | Electrochemically strengthening sacrificial anode water purifying process and device |
| CN113840647A (en) * | 2019-05-13 | 2021-12-24 | 安克信水技术公司 | Method and system for efficient and sustainable electrochemical treatment of wastewater |
| CN113840647B (en) * | 2019-05-13 | 2024-03-01 | 安克信水技术公司 | Method and system for efficient and sustainable electrochemical treatment of wastewater |
| CN110655241A (en) * | 2019-11-15 | 2020-01-07 | 国网天津市电力公司 | Electrochemical treatment system for domestic sewage of transformer substation |
| CN112723619A (en) * | 2020-12-22 | 2021-04-30 | 贵州鑫立方环保科技有限公司 | High-efficiency industrial sewage treatment method based on electrochemistry and membrane filtration technology |
| CN113402108A (en) * | 2021-05-26 | 2021-09-17 | 中化学朗正环保科技有限公司 | Treatment system and method for high-grease phosphorus-rich sewage |
| CN113401977A (en) * | 2021-07-01 | 2021-09-17 | 上海交通大学重庆研究院 | Device and method for recovering nitrogen and phosphorus of town landfill leachate |
| CN116002896A (en) * | 2022-12-22 | 2023-04-25 | 重庆大学 | Sewage water quality purification system and method |
| CN116002896B (en) * | 2022-12-22 | 2024-04-19 | 重庆大学 | Sewage water quality purification system and method |
| CN116924596A (en) * | 2023-05-30 | 2023-10-24 | 深圳市新西林园林景观有限公司 | Electrochemical device for sponge urban sewage treatment and treatment method thereof |
| CN116924596B (en) * | 2023-05-30 | 2024-06-07 | 深圳市新西林园林景观有限公司 | Electrochemical device for sponge urban sewage treatment and treatment method thereof |
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