CN107473338A - A kind of water treatment system and method for three-dimensional class electricity Fenton degraded Ketoprofen - Google Patents
A kind of water treatment system and method for three-dimensional class electricity Fenton degraded Ketoprofen Download PDFInfo
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- CN107473338A CN107473338A CN201710948397.0A CN201710948397A CN107473338A CN 107473338 A CN107473338 A CN 107473338A CN 201710948397 A CN201710948397 A CN 201710948397A CN 107473338 A CN107473338 A CN 107473338A
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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
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
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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
- C02F1/46109—Electrodes
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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
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
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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
- C02F2101/34—Organic compounds containing oxygen
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention provides a kind of water treatment system and method for three-dimensional class electricity Fenton degraded Ketoprofen, including reactor, water supply installation, aerator, chemicals dosing plant and power supply, the water supply installation, the aerator and the power supply connect the reactor respectively.The reactor includes three-dimensional class electro-Fenton reaction area, the three-dimensional class electro-Fenton reaction area filling blast-furnace cinder base Co/Fe0Granule electrode.The present invention can add persulfate by chemicals dosing plant into reactor, and water supply installation supplies water to reactor, after sewage and persulfate reach three-dimensional class electro-Fenton reaction area jointly, in the Fe of granule electrode load0The lower persulfate of effect is activated producing potentiometric titrations, and the transition metal electro-catalysis in blast-furnace cinder produces hydroxyl radical free radical, passes through the pollutant in potentiometric titrations and the effective degradation water of hydroxyl radical free radical.
Description
Technical field
The present invention relates to water-treatment technology field, more particularly to a kind of three-dimensional-class for being used to handle the sewage containing Ketoprofen
The water treatment system and method for electric Fenton degraded Ketoprofen.
Background technology
Ketoprofen is class I non-steroid anti-inflammation analgesia medicine, has analgesia, anti-inflammatory and refrigeration function, largely should clinically be had
With Ketoprofen is discharged into water body with medicine prototype and metabolite form, turns into trace persistent pollutant, traditional activated sludge process
Unobvious are acted on to such contaminant degradation, the sludge for handling waste water usually contains a large amount of pollutants not being mineralized and formed new
Pollution sources, drinking water safety is caused potentially to threaten.
Strong oxdiative active material has strong oxidation to larger molecular organicses caused by advanced oxidation processes, is advantageous to handle
Ketoprofen in sewage, and three-diemsnional electrode is a kind of new advanced oxidization method, its conversion zone is no longer limited to electrode
On simple geometry surface, but carried out on the three dimensions surface of whole bed, there is more research in recent years.Patent CN
102070230A discloses the method and device that a kind of three-diemsnional electrode electricity Fenton removes Organic substance in water, and described device includes anti-
Room and air chamber are answered, carbon material negative electrode, iron plate anode and fixed bed three dimensional particles electrode, carbon material negative electrode and iron are set in reative cell
Plate anode connects the two poles of the earth of power supply respectively, after energization, anodic oxidation generation iron ion, cathode surface generation hydrogen peroxide, iron from
Son and hydrogen peroxide form the organic matter in electric Fenton reagent oxidation removal waste water.After anodic oxidation generation iron ion, anode quilt
Consumption, on the one hand, make to need in processing procedure constantly to change positive plate, cost is higher, needs to stop work during replacing, influences upstream work
Skill is run, it is impossible to forms continuous processing；On the other hand, the iron ion generated after anode consumption can flow out together with sewage, nothing
Method is continuing with, it is necessary to which continuous consumable anode generation iron ion, is unfavorable for recycling, increases cost, and iron cement is with sewage stream
It is deposited in be formed in sewage after going out and can forms secondary pollution, increases processing cost.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of water treatment system of three-dimensional-class electricity Fenton degraded Ketoprofen
And method, effectively handle the Ketoprofen in sewage.
The present invention is achieved through the following technical solutions, there is provided at a kind of water of three-dimensional-class electricity Fenton degraded Ketoprofen
Reason system, including reactor, water supply installation, aerator, chemicals dosing plant and power supply, the water supply installation, the aerator
The reactor is respectively communicated with the chemicals dosing plant.
The reactor includes three-dimensional-fragrant reaction zone of class electricity, and stove slag-based is filled in the three-dimensional-fragrant reaction zone of class electricity
Co/Fe0Granule electrode, the three-dimensional-interior intersection of the fragrant reaction zone of class electricity are placed with main electrode anode and main electrode negative electrode, the electricity
The both positive and negative polarity in source is electrically connected the main electrode anode and main electrode negative electrode；
At least one double-layer porous supporting plate, the chemicals dosing plant connection are fixed with the three-dimensional-fragrant reaction zone of class electricity
Space between the two-ply of the double-layer porous supporting plate.
Logical chemicals dosing plant adds certain density persulfate into reactor, when the sewage in water supply installation enters reaction
After device, persulfate and sewage mixing, sewage and persulfate reach three-dimensional-class electro-Fenton reaction area jointly, and three-dimensional-class electricity is fragrant
Blast-furnace cinder base/Fe in reaction zone0Granule electrode in the presence of electric field by repolarization and both ends respectively band positive and negative charge,
Electric field small one by one is formed, increases the effective affecting acreage in reactor, blast-furnace cinder base/Fe0Granule electrode is born
The Fe of load0Energy effective activation persulfate, generates potentiometric titrations, i.e.,：
Fe0+2Fe3+→3Fe2+；
With Fe0During as activator, Fe caused by persulfate is activated2+Persulfate can be activated again, make activation efficiency
Greatly improve, and the Fe generated3+Fe is reduced into negative electrode2+, continue to activate persulfate, ensure blast-furnace cinder base/Fe0Grain
Sub-electrode persistent high efficiency is catalyzed Ketoprofen.In addition, under electric field action, Fe3+Fe must be electronically generated2+Continue to activate persulfate,
I.e.：
Fe3++e-→Fe2+；
Wherein, the Fe of generation is reacted3+Can also be in cathodic reduction into Fe2+, realize Fe2+Recycling.In addition, electric field
Strengthen activation persulfate：Electric field catalysis produces hydroxyl radical free radical, exists simultaneously in reaction zone
Hydroxyl radical free radical and potentiometric titrations, Ketoprofen efficient degradation under the collective effect of two kinds of free radicals.
The present invention is by Fe0It is carried on granule electrode, it is not necessary to which consumable anode produces Fe2+, reduce anode consumption into
This, and need not stop work and change anode, process upstream operation is not influenceed, is reduced shut-down and is changed cost caused by anode, bears
The Fe being loaded on granule electrode0A unified entirety is formed with granule electrode, will not flow out with sewage, persistently play a role
Simultaneously sewage will not be caused further to pollute.And the present invention sets at least one double-layer porous supporting plate, makes chemicals dosing plant
Stage agent addition, sewage disposal are more thorough.
Preferably, the blast-furnace cinder base Co/Fe0Granule electrode is made up of the component of following parts by weight：Aggregate 40
~50 parts, 8~12 parts of pore former, 10~35 parts of activator, 20~30 parts of adhesive；Wherein, the activator is Co, Fe0, institute
It is blast-furnace cinder to state aggregate.
Preferably, the blast-furnace cinder base Co/Fe0The preparation method of granule electrode is：
Blast-furnace cinder fully soak, cleaned, room temperature is cooled to after drying, is placed in ball crusher and pulverizes, make
With the sieved through sieve of 80 mesh, it is standby to obtain blast-furnace cinder aggregate；Raw material is sufficiently mixed rear rolling balling, is subsequently placed in 25~35
DEG C constant incubator in cultivate 8~15, obtain blast-furnace cinder base Co/Fe0Granule electrode.
Preferably, the main electrode anode is PANI/Ti main electrode anodes, the PANI/Ti main electrodes anode is negative
Carry the porous titanium net of polyaniline；The main electrode negative electrode is carbon fiber.Polyaniline is carried on porous as a kind of conducting polymer
Titanium net surface, the corrosion resistance of main electrode anode can be effectively improved.
The preparation method of the PANI/Ti main electrodes anode is carried out in accordance with the following steps：
S01：Porous titanium net after being polished with sand paper respectively with NaOH solution at 95 DEG C alkali cleaning 1h, existed with HCl solution
90 DEG C of pickling 1h, with deionized water rinsing, then in air dry oven 105 DEG C be dried for standby.
Be present the impurity of some oxides etc. in the surface of titanium net, polished using sand paper, alkaline solution and acid solution difference
Rinse, can effectively remove the impurity of titanium material surface, it is preferably played a role.In addition to NaOH solution and HCl solution,
It can also be rinsed using other alkaline solutions or acid solution, but not make titanium net surface passivation, it is miscellaneous not produce other
Matter, it is objective not influence titanium net performance, for example, the acid solution of unusable sulfuric acid, nitrose carrys out pickling.
S02：The mixed liquor of dodecyl sodium sulfate, n-butanol and butyl acrylate and ethanol is added to deionized water
In and magnetic agitation obtain microemulsion-like, by the pH value of Emulsions with hydrochloric acid adjust to 1, aniline is then added dropwise into microemulsion
Monomer obtains uniform solution；Wherein, in the mixed liquor of butyl acrylate and ethanol, the mass ratio of butyl acrylate and ethanol is 1:
1。
S03：Under nitrogen, ice-water bath reaction condition, ammonium persulfate solution is slowly added dropwise into the uniform solution, is added dropwise
Process continues 40min；Under conditions of keeping ice-water bath, stirring, nitrogen protection, sustained response 24h obtains Polyaniline Suspensions.
S04：The Polyaniline Suspensions are coated uniformly on to the POROUS TITANIUM net surface obtained in the step S01,105 DEG C
Dry 2h, so repeatedly 8~12 times；Last time is placed in 300 DEG C of roastings in Muffle furnace, obtains PANI/Ti anodes.
Preferably, the reactor also includes aeration zone, the aeration zone is located at the three-dimensional-class electricity Fenton pre-reaction
The lower section in area simultaneously connects the three-dimensional-class electro-Fenton reaction area, between the aeration zone and the three-dimensional-class electro-Fenton reaction area
Double-layer porous supporting plate is fixed with, the chemicals dosing plant connects the space between the two-ply of the double-layer porous supporting plate；Institute
State aerator and connect the aeration zone, the bottom of the aeration zone offers water inlet, the three-dimensional-class electro-Fenton reaction area
Top be provided with delivery port.
The present invention sets multiple double-layer porous supporting plates, respectively between aeration zone and three-dimensional-class electro-Fenton reaction area
And in three-dimensional-class electro-Fenton reaction area, each double-layer porous supporting plate connects chemicals dosing plant, and sewage first passes around aeration zone
With the double-layer porous supporting plate between three-dimensional-class electro-Fenton reaction area, carry persulfate and enter three-dimensional-class electro-Fenton reaction
Area, the pollutant in the presence of the granule electrode and electric field in three-dimensional-class electro-Fenton reaction area effectively in degradation water.The present invention
The multiple double-layer porous supporting plates set, make sewage to be supplemented with persulfate content when passing through three-dimensional-class electro-Fenton reaction area,
Strengthen wastewater treatment efficiency, improve sewage treating efficiency.
Preferably, the water supply installation includes water tank, peristaltic pump and the water inlet pipe being sequentially communicated, the water inlet pipe connection
The water inlet.The water tank connects reactor with water inlet pipe by peristaltic pump, and the sewage in water tank can continuously enter anti-
Device is answered to be handled, the sewage in water tank can also be supplemented, and realize the continuous processing of sewage, easy to use.
Preferably, the aerator includes air compressor machine, air inlet pipe and the molten gas plate being sequentially communicated, the molten gas plate position
In in the aeration zone, making, whole reactor aeration is uniform.
Preferably, the chemicals dosing plant includes the dosing tank and chemical feed pipe that are sequentially communicated, described in the chemical feed pipe connection
Space between two layers of double-layer porous supporting plate.
Chemicals dosing plant adds persulfate to the space between the two-ply of double-layer porous supporting plate, and sewage carried
Sulfate is reacted by the through hole of double-layer porous supporting plate into three-dimensional-class electro-Fenton reaction area, and persulfate is by adding
Medicine device adds the loss that can avoid persulfate, ensures the initial concentration of persulfate.
In the present invention, persulfate is continuously added into from chemicals dosing plant into reactor；Persulfate activator Fe0It is entrained in
In granule electrode, three-dimensional-class electro-Fenton reaction is formed.
The present invention also provides a kind of three-dimensional electric Fenton method for treating water, and methods described is：
Blast-furnace cinder base Co/Fe is prepared according to the method described above0Granule electrode and main electrode anode；
The reactor, water supply installation, aerator, chemicals dosing plant and power supply are assembled according to said structure；
Main electrode anode, main electrode negative electrode and blast-furnace cinder base Co/Fe0Granule electrode forms three dimensional particles electrode system,
Persulfate is added into the reactor by chemicals dosing plant, sewage is passed through into reactor by water supply installation, makes to carry
The sewage of persulfate enters three dimensional particles electrode reaction system and forms three-dimensional-class electro-Fenton reaction, strengthens and produces sulfate radical certainly
By base, the transition metal in granule electrode matrix is catalyzed in the presence of electric field produces hydroxyl radical free radical, both common effectively drops
Solve the Ketoprofen in sewage.
Technical scheme provided in an embodiment of the present invention can include following beneficial effect：
Water treatment system provided by the invention, certain density persulfuric acid can be added into reactor by chemicals dosing plant
Salt, after the sewage in water supply installation enters reactor, persulfate and sewage mixing, sewage and persulfate reach three jointly
Behind dimension-class electro-Fenton reaction area, the Fe of granule electrode load in three-dimensional-class electro-Fenton reaction area0Under effect, persulfate quilt
Activation produces potentiometric titrations, blast-furnace cinder base Co/Fe0Transition metal electro-catalysis in granule electrode matrix produces hydroxyl certainly
By base, pass through the pollutant in potentiometric titrations and the effective degradation water of hydroxyl radical free radical.Fe is loaded with granule electrode0, no
Consumable anode is needed to produce Fe2+, reduce the cost of anode consumption, and need not stop work and change anode, upstream work is not influenceed
Skill is run, and is reduced shut-down and is changed cost caused by anode, the Fe being carried on granule electrode0A system is formed with granule electrode
It one entirety, will not be flowed out with sewage, sewage will not be caused while persistently playing a role further to pollute.Another invention,
The present invention sets multiple double-layer porous supporting plates, sewage is supplemented with persulfate when passing through three-dimensional-class electro-Fenton reaction area
Content, strengthen wastewater treatment efficiency, improve sewage treating efficiency.
Brief description of the drawings
, below will be to embodiment or existing for the clearer explanation embodiment of the present invention or technical scheme of the prior art
There is the required accompanying drawing used in technology description to be briefly described, it is clear that, to those skilled in the art, not
On the premise of paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structure of the water treatment system of three-dimensional provided in an embodiment of the present invention-class electricity Fenton degraded Ketoprofen
Schematic diagram.
Fig. 2 is a kind of PANI/ of the water treatment system of three-dimensional provided in an embodiment of the present invention-class electricity Fenton degraded Ketoprofen
The Tafel curve maps of Ti electrodes and Ti electrodes.
Shown in figure：Water tank 1, water inlet pipe 2, peristaltic pump 3, reactor 4, power supply 5, wire 6, main electrode anode 7, main electrode
Negative electrode 8, air compressor machine 9, air inlet pipe 10, molten gas plate 11, blast-furnace cinder base Co/Fe0Granule electrode 12, dosing tank 13, chemical feed pipe 14,
Double-layer porous supporting plate 15, delivery port 16.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, the present invention will be implemented below
Technical scheme in example is clearly and completely described, it is clear that described embodiment is only that a present invention part is implemented
Example, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art are not making creative work
Under the premise of the every other embodiment that is obtained, should all belong to protection scope of the present invention.
Referring to accompanying drawing 1, a kind of water process of three-dimensional provided in an embodiment of the present invention-class electricity Fenton degraded Ketoprofen is shown
The structural representation of system.
As shown in Figure 1, the water treatment system of the three-dimensional-class electricity Fenton degraded Ketoprofen includes reactor 4, supply water dress
Put, aerator, chemicals dosing plant and power supply 5, the water supply installation, the aerator and the chemicals dosing plant are respectively communicated with institute
State reactor 4.
The reactor 4 includes three-dimensional-fragrant reaction zone of class electricity, and stove slag-based is filled in the three-dimensional-fragrant reaction zone of class electricity
Co/Fe0Granule electrode 12, the three-dimensional-interior intersection of the fragrant reaction zone of class electricity are placed with main electrode anode 7 and main electrode negative electrode 8, institute
The both positive and negative polarity for stating power supply 5 is electrically connected the main electrode anode 7 and main electrode negative electrode 8；In the three-dimensional-fragrant reaction zone of class electricity
At least one double-layer porous supporting plate is fixed with, the chemicals dosing plant is connected between the two-ply of the double-layer porous supporting plate
Space.Wherein, double-deck how empty supporting plate 15 is made up of upper and lower supporting plate empty more than two and spacing is 2cm, and the external diameter of chemical feed pipe 14 is
2cm, is connected to the centre of the how empty supporting plate 15 of bilayer, and during system operation, chemicals dosing plant is added persulfate by chemical feed pipe 14
Enter among the how empty supporting plate 15 of bilayer, uniformly mixed with water inlet.
The reactor also includes aeration zone, and the aeration zone is located at the lower section in the three-dimensional-class electro-Fenton reaction area simultaneously
The three-dimensional-class electro-Fenton reaction area is connected, the aeration zone and the three-dimensional-class electro-Fenton reaction are fixed with bilayer between area
Porous supporting plate 15, the chemicals dosing plant connect the space between the two-ply of the double-layer porous supporting plate 15；The aeration
Device connects the aeration zone, and the bottom of the aeration zone offers water inlet, and the water supply installation is connected by the water inlet
Lead to the reactor, the three-dimensional-class electro-Fenton reaction is provided with delivery port 16 above area.Sewage in water supply installation is under
The water inlet of side enters, and flows through the granule electrode in three-dimensional-class electro-Fenton reaction area 12, avoids granule electrode from being tied in fact by hydraulic pressure
Block, to ensure its using effect.
The main electrode anode 7 is PANI/Ti main electrode anodes, and the PANI/Ti main electrodes anode is load polyaniline
Porous titanium net；The main electrode negative electrode 8 is carbon fiber.The water supply installation includes the water tank 1 and peristaltic pump 3 being sequentially communicated,
The peristaltic pump 3 connects the water inlet by the water inlet pipe 2.Sewage in water tank 1 can be continuously entered at reactor 4
Reason, water tank 1 can connect source of sewage, realize the continuous processing of sewage, can set valve on the water inlet pipe 2, it is not necessary to handle
Valve can be closed during sewage.The aerator includes air compressor machine 9, air inlet pipe 10 and the molten gas plate 11 being sequentially communicated, described
Molten gas plate 11 is located in the aeration zone, and aerator makes aeration in reactor 4 uniform by molten gas plate 11.The chemicals dosing plant
Including the dosing tank 13 and chemical feed pipe 14 being sequentially communicated, the chemical feed pipe 14 connects the two-ply of the double-layer porous supporting plate 15
Between space.Valve is set on the chemical feed pipe 14, it is not necessary to valve can be closed when adding persulfate.
Reactor 4 is cylinder, diameter 15cm, high 110cm, it is more to be followed successively by water inlet, molten gas plate 11, multilayer from top to bottom
Empty supporting plate 15, PANI/Ti anodes 7, blast-furnace cinder base Co/Fe0Granule electrode 12, carbon-fiber cathode 8, the how empty supporting plate of multilayer
15th, blast-furnace cinder base Co/Fe0Granule electrode 12, PANI/Ti anodes 7, blast-furnace cinder base Co/Fe0Granule electrode 12, carbon fiber are cloudy
Pole 8, delivery port 16.For power supply 5 using dc source to adjust tank voltage, three-dimensional-class electricity Fenton pre-reaction zone and three-dimensional-class are electric
PANI/Ti anodes 7 in Fenton's reaction area are connected by wire 6, three-dimensional-class electricity Fenton pre-reaction zone and three-dimensional-class electricity Fenton
Carbon-fiber cathode 8 in reaction zone is connected by wire 6, what dc source both positive and negative polarity was connected with two PANI/Ti anodes 7 respectively
The wire that wire and two carbon-fiber cathodes 8 connect is connected.
The water treatment system running of three-dimensional provided in an embodiment of the present invention-class electricity Fenton degraded Ketoprofen is：
Blast-furnace cinder base Co/Fe is prepared first0Granule electrode 12 and PANI/Ti anodes 7, then reactor 4, water supply are filled
Put, aerator, chemicals dosing plant and power supply 5 finish according to above-mentioned structure assembling；Municipal sewage in water tank 1 is through peristaltic pump 3
Entered by water inlet pipe 2 through water inlet in reactor 4, first passed around double between aeration zone and three-dimensional-class electricity Fenton pre-reaction zone
The porous supporting plate 15 of layer, at the same time, persulfate is added in the how empty supporting plate 15 of bilayer by chemicals dosing plant, and sewage reaches
Uniformly be blended into sewage during double-deck how empty supporting plate 15 enter three-dimensional-class electro-Fenton reaction area and with blast-furnace cinder base Co/
Fe0Granule electrode is in contact, blast-furnace cinder base Co/Fe0Granule electrode in the presence of electric field by repolarization and band is being just respectively at both ends
Negative electrical charge, electric field small one by one is formed, increase the effective affecting acreage in reactor, persulfate is in three-dimensional-class electricity
Fenton's reaction is in contact in area with granule electrode, blast-furnace cinder base Co/Fe0The Fe that granule electrode is loaded0Can effective activation sewage
In persulfate, generate potentiometric titrations, it is as follows：
Fe0+2Fe3+→3Fe2+。
Activate Fe caused by persulfate2+Persulfate can be also activated again, greatly improves activation efficiency, and is generated
Fe3+Fe is reduced into negative electrode2+, ensure that blast-furnace cinder base Co/Fe0Granule electrode can persistent high efficiency catalysis sewage in
Pollutant, electric field catalysis produce hydroxyl radical free radical, hydroxyl radical free radical and sulfuric acid be present simultaneously in three-dimensional-class electro-Fenton reaction area
Root free radical, pollutant efficient degradation under the collective effect of two kinds of free radicals, then through the overflow water outlet of delivery port 16, completion pair
The processing of sewage.
Wherein, blast-furnace cinder base Co/Fe0The preparation method of granule electrode 12 is：
Blast-furnace cinder is subjected to fully immersion, ultrasonic 2h cleanings, and 4h is dried under the conditions of 120 DEG C, room temperature is cooled to, puts
Pulverized in ball crusher, use the sieved through sieve ground granulated blast furnace slag of 80 mesh；Then parts by weight are accurately weighed：Blast-furnace cinder
45 parts of powder aggregate, 10 parts of sodium chloride pore former, 20 parts of cement, Co, Fe025 parts of active component, is rolled after being sufficiently mixed
Balling-up, after be placed in 25 DEG C of constant incubators and cultivate 12, the blast-furnace cinder base Co/Fe stablized0Granule electrode 12.
Blast-furnace cinder is the industrial waste containing multicomponent alloy caused by color steel industry, in production, the gold such as iron, zinc and aluminium
Category generates some solid solutions, and fusing point is higher.For these blast-furnace cinders, currently without effective processing method.It is but high
Containing various metals such as Zn, Fe, Al in stove slag, these compositions not only have flocculation, and are in electrocatalytic reaction
Good catalyst, it can effectively be catalyzed generation hydroxyl radical free radical, Fe0, Co persulfuric acid can be preferably activated in the presence of electric field
Salt, potentiometric titrations are produced, had both improved the performance of granule electrode, realizing again turns waste into wealth, and reduces the pollution of environment
And appropriation of land.
The preparation method of PANI/Ti anodes is：
S01：Porous titanium net after being polished with sand paper respectively with NaOH solution at 95 DEG C alkali cleaning 1h, existed with HCl solution
90 DEG C of pickling 1h, with deionized water rinsing, then in air dry oven 105 DEG C be dried for standby.
S02：By 0.06 part of dodecyl sodium sulfate, 0.12 part of n-butanol and the mixed liquor 10 of butyl acrylate and ethanol
(weight of butyl acrylate and ethanol ratio is 1 to part:1, i.e. each 5 parts of butyl acrylate and ethanol), it is added to 30 parts of deionized waters
In and magnetic agitation to clear microemulsion liquid, pH value is adjusted to 1 with hydrochloric acid, 3 parts of aniline monomers are added dropwise and obtain uniform solution.
S03：Under the conditions of nitrogen, ice-water bath, 10 parts of over cures are slowly added dropwise in the uniform solution obtained to above-mentioned steps S02
Acid ammonium solution, process is added dropwise and continues 40min, with slow initiated polymerization, keep ice-water bath, stirring, the condition of nitrogen protection
Under, sustained response 24h obtains Polyaniline Suspensions.
S04：The Polyaniline Suspensions are coated uniformly on to the POROUS TITANIUM net surface obtained in the step S01,105 DEG C
Dry 2h, so repeatedly 8 times；Last time is placed in 300 DEG C of roastings in Muffle furnace, obtains PANI/Ti anodes.
Referring to accompanying drawing 2, for the Tafel curves of PANI/Ti anodes manufactured in the present embodiment and Ti electrodes.As shown in Figure 2, by
The Tafel curves that PANI/Ti electrodes and Ti electrodes are described using electrochemical workstation can be seen that PANI/Ti electrodes
Corrosion resistance greatly improves.
Embodiment 2
The present embodiment is with the difference of above-described embodiment 1, in the present embodiment, blast-furnace cinder base Co/Fe0Granule electrode
12 preparation method is：
Blast-furnace cinder is subjected to fully immersion, ultrasonic 2h cleanings, and 6h is dried under the conditions of 110 DEG C, room temperature is cooled to, puts
Pulverized in ball crusher, use the sieved through sieve ground granulated blast furnace slag of 80 mesh；Then parts by weight are accurately weighed：Blast-furnace cinder
60 parts of powder aggregate, 10 parts of sodium chloride pore former, 25 parts of cement, Co, Fe025 parts of active component, is rolled after being sufficiently mixed
Balling-up, after be placed in 25 DEG C of constant incubators and cultivate 12, the blast-furnace cinder base Co/Fe stablized0Granule electrode 12.
Embodiment 3
The present embodiment is with the difference of above-described embodiment 1, in the present embodiment, blast-furnace cinder base Co/Fe0Granule electrode
12 preparation method is：
Blast-furnace cinder is subjected to fully immersion, ultrasonic 2h cleanings, and 3h is dried under the conditions of 115 DEG C, room temperature is cooled to, puts
Pulverized in ball crusher, use the sieved through sieve ground granulated blast furnace slag of 80 mesh；Then parts by weight are accurately weighed：Blast-furnace cinder
40 parts of powder aggregate, 8 parts of sodium chloride pore former, 25 parts of cement, Co, Fe010 parts of active component, after being sufficiently mixed roll into
Ball, after be placed in 25 DEG C of constant incubators and cultivate 12, the blast-furnace cinder base Co/Fe stablized0Granule electrode 12.
In other embodiments of the invention, the device of the water treatment system can also be other structures, for example react
Device is arranged to rectangular parallelepiped structure, and accordingly, horizontal positioned main electrode anode and main electrode negative electrode can be according to reactor shapes
It is changed to vertical placement etc.；The granule electrode of different matrix can also be changed according to the difference of the sewage property of processing, such as, it is described
The matrix of granule electrode can be：Slag zeolite, manganese slag, color steel waste residue, gold tailings, flyash, red mud, gas mud, converter
Mud, blast furnace dedusting ash, iron scale and grain slag etc., dissimilarity can be handled by loading various forms of Fe on matrix
The sewage of matter.
Certainly, described above is also not limited to the example above, the technical characteristic of the invention without description can by or
Realized, will not be repeated here using prior art；It is not to this that above example, which is merely to illustrate technical scheme,
The limitation of invention, the present invention is described in detail with reference to preferred embodiment, one of ordinary skill in the art should
Understand, the variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the present invention
Without departure from spirit of the invention, it should also belong to claims of the invention.
Claims (9)
1. the water treatment system of a kind of three-dimensional-class electricity Fenton degraded Ketoprofen, it is characterised in that including reactor (4), supply water dress
Put, aerator, chemicals dosing plant and power supply (5), the water supply installation, the aerator and the chemicals dosing plant are respectively communicated with
The reactor (4)；
The reactor (4) includes three-dimensional-fragrant reaction zone of class electricity, and blast-furnace cinder base is filled in the three-dimensional-fragrant reaction zone of class electricity
Co/Fe0Granule electrode (12), the three-dimensional-interior intersection of the fragrant reaction zone of class electricity are placed with main electrode anode (7) and main electrode negative electrode
(8), the both positive and negative polarity of the power supply (5) is electrically connected the main electrode anode (7) and main electrode negative electrode (8)；
At least one double-layer porous supporting plate (15), the chemicals dosing plant connection are fixed with the three-dimensional-fragrant reaction zone of class electricity
Space between the two-ply of the double-layer porous supporting plate (15).
A kind of 2. water treatment system of three-dimensional according to claim 1-class electricity Fenton degraded Ketoprofen, it is characterised in that
The blast-furnace cinder base Co/Fe0Granule electrode (12) is made up of the component of following parts by weight：40~50 parts of aggregate, pore former 8
~12 parts, 10~35 parts of activator, 20~30 parts of adhesive；Wherein, the activator is Co, Fe0, the aggregate is Blast Furnace Ore
Slag.
A kind of 3. water treatment system of three-dimensional according to claim 2-class electricity Fenton degraded Ketoprofen, it is characterised in that
The blast-furnace cinder base Co/Fe0The preparation method of granule electrode (12) is：
Blast-furnace cinder fully soak, cleaned, room temperature is cooled to after drying, is placed in ball crusher and pulverizes, use 80
Purpose sieved through sieve, it is standby to obtain blast-furnace cinder aggregate；Raw material is sufficiently mixed rear rolling balling, is subsequently placed in 25~35 DEG C
Cultivated 8~15 in constant incubator, obtain blast-furnace cinder base Co/Fe0Granule electrode (12).
A kind of 4. water treatment system of three-dimensional according to claim 3-class electricity Fenton degraded Ketoprofen, it is characterised in that
The main electrode anode (7) is PANI/Ti main electrode anodes, and the PANI/Ti main electrodes anode is porous for load polyaniline
Titanium net；The main electrode negative electrode (8) is carbon fiber.
A kind of 5. water treatment system of three-dimensional according to claim 4-class electricity Fenton degraded Ketoprofen, it is characterised in that
The reactor also includes aeration zone, and the aeration zone is located at described in the lower section in the three-dimensional-class electro-Fenton reaction area and connection
Three-dimensional-class electro-Fenton reaction area, the aeration zone and the three-dimensional-class electro-Fenton reaction are fixed with double-layer porous support between area
Plate (15), the chemicals dosing plant connect the space between the two-ply of the double-layer porous supporting plate (15)；The aerator
The aeration zone is connected, the bottom of the aeration zone offers water inlet, and the top in the three-dimensional-class electro-Fenton reaction area is set
There is delivery port (16).
6. a kind of water treatment system of three-dimensional-class electricity Fenton degraded Ketoprofen according to claim any one of 1-5, it is special
Sign is that the water supply installation includes water tank (1), peristaltic pump (3) and the water inlet pipe (2) being sequentially communicated, and the water inlet pipe (2) is even
Lead to the water inlet.
A kind of 7. water treatment system of three-dimensional according to claim 6-class electricity Fenton degraded Ketoprofen, it is characterised in that
The aerator includes air compressor machine (9), air inlet pipe (10) and the molten gas plate (11) being sequentially communicated, and the molten gas plate (11) is located at
In the aeration zone.
A kind of 8. water treatment system of three-dimensional according to claim 6-class electricity Fenton degraded Ketoprofen, it is characterised in that
The chemicals dosing plant includes the dosing tank (13) and chemical feed pipe (14) being sequentially communicated, and it is more that the chemical feed pipe (14) connects the bilayer
Space between hole supporting plate (15).
9. a kind of method for treating water of the water treatment system of three-dimensional-class electricity Fenton degraded Ketoprofen for described in claim 1,
Characterized in that, methods described includes：
Prepare blast-furnace cinder base Co/Fe0Granule electrode (12) and main electrode anode (7)；
The reactor (4), water supply installation, aerator, chemicals dosing plant and power supply (5) are assembled according to said structure；
Main electrode anode (7), main electrode negative electrode (8) and blast-furnace cinder base Co/Fe0Granule electrode (12) forms three dimensional particles electrode
System, persulfate is added into the reactor (4) by chemicals dosing plant, dirt is passed through into reactor by water supply installation
Water, the sewage with persulfate is entered three dimensional particles electrode reaction system and form three-dimensional-class electro-Fenton reaction, strengthen and produce
Potentiometric titrations, the transition metal in granule electrode matrix is catalyzed in the presence of electric field produces hydroxyl radical free radical, and both are common
With the Ketoprofen in effectively degraded sewage.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179805A (en) * | 2018-09-28 | 2019-01-11 | 吉林大学 | A kind of sewage-treatment plant and its method |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179805A (en) * | 2018-09-28 | 2019-01-11 | 吉林大学 | A kind of sewage-treatment plant and its method |
| CN109179805B (en) * | 2018-09-28 | 2021-07-09 | 吉林大学 | Sewage treatment device and method thereof |
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