CN110183028A - A kind of novel photoelectric coupling waste water treatment system - Google Patents
A kind of novel photoelectric coupling waste water treatment system Download PDFInfo
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- CN110183028A CN110183028A CN201910554636.3A CN201910554636A CN110183028A CN 110183028 A CN110183028 A CN 110183028A CN 201910554636 A CN201910554636 A CN 201910554636A CN 110183028 A CN110183028 A CN 110183028A
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- waste water
- diemsnional electrode
- catalytic oxidizing
- oxidizing equipment
- treatment system
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 18
- 230000008878 coupling Effects 0.000 title description 8
- 238000010168 coupling process Methods 0.000 title description 8
- 238000005859 coupling reaction Methods 0.000 title description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 229910001868 water Inorganic materials 0.000 claims abstract description 66
- 230000003197 catalytic effect Effects 0.000 claims abstract description 59
- 230000001590 oxidative effect Effects 0.000 claims abstract description 55
- 238000005554 pickling Methods 0.000 claims abstract description 19
- 239000008187 granular material Substances 0.000 claims abstract description 18
- 238000007146 photocatalysis Methods 0.000 claims abstract description 18
- 230000001699 photocatalysis Effects 0.000 claims abstract description 18
- 230000001112 coagulating effect Effects 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 238000001556 precipitation Methods 0.000 claims abstract description 11
- 230000003647 oxidation Effects 0.000 claims description 20
- 238000007254 oxidation reaction Methods 0.000 claims description 20
- 238000006555 catalytic reaction Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000005189 flocculation Methods 0.000 claims description 4
- 230000016615 flocculation Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000000701 coagulant Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 239000011941 photocatalyst Substances 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 abstract description 28
- 230000000694 effects Effects 0.000 abstract description 8
- 239000002245 particle Substances 0.000 abstract description 5
- 239000007772 electrode material Substances 0.000 abstract description 2
- 238000009510 drug design Methods 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000011282 treatment Methods 0.000 description 7
- 238000004043 dyeing Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 4
- 229920002401 polyacrylamide Polymers 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 239000002114 nanocomposite Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229940023032 activated charcoal Drugs 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
-
- 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
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2305/10—Photocatalysts
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a kind of novel photoelectrics to couple waste water treatment system, including pretreatment unit, three-diemsnional electrode catalytic oxidizing equipment, strengthen photocatalysis apparatus and pickling tube, the pretreatment unit is connected to three-diemsnional electrode catalytic oxidizing equipment, and the three-diemsnional electrode catalytic oxidizing equipment is connected with reinforcing photocatalysis apparatus, pickling tube respectively；The pretreatment system includes chemicals dosing plant, coagulative precipitation device and agitating device, and the chemicals dosing plant and agitating device are set to above coagulative precipitation device；It is provided with valve and water pump between the three-diemsnional electrode catalytic oxidizing equipment and pretreatment unit, is filled with granule electrode in the three-diemsnional electrode catalytic oxidizing equipment.The present invention has rational design, and clean-up effect is stable, efficient, and energy continuous operation handles waste water, and can carry out clean and reuse utilization to the conductive particle electrode material of failure.
Description
Technical field
The present invention relates to technical field of waste water processing, and in particular to a kind of novel photoelectric coupling waste water treatment system and side
Method.
Background technique
Dyeing waste water has the characteristics that coloration is high, organic concentration is high, belongs to difficult industrial wastewater, annual big in the world
About produce 1,000,000 tons of dyestuffs, with the development of industrialization, this number also in continuous rise furthermore.Dyeing waste water is to water body
It is very harmful, it will lead to the death of microorganism in water body, animals and plants, so as to cause water body deterioration.Traditional wastewater processing technology,
If the methods of absorption and film filtering cannot completely remove pollutant, secondary pollution can be generated, higher and higher environmental protection is unable to satisfy
It is required that.Advanced oxidation technology can thoroughly destroy the structure of pollutant, by catalytic decomposition, final reacting product H20 He
CO2, secondary pollution will not be generated.Three-diemsnional electrode catalytic oxidation technologies are as a kind of advanced electrochemical oxidation technology, in water
Organic matter have good removal effect compared with traditional two-dimensional electrode electro-catalysis technology, have electrode effective surface area
Greatly, treatment effeciency height, low power consumption and other advantages.
Electrode material is an important factor for determining waste water treatment process efficiency and cost.Patent publication No. CN106396030A
Disclose it is a kind of using three-diemsnional electrode-electricity Fenton coupling processing dyeing waste water method, using activated-charcoal column and Nanoscale Iron binary
Stuff and other stuff improves reaction rate and treatment effect, but this method does not consider water inlet suspended matter to electricity as granule electrode
The influence of pole reaction contains a large amount of suspended matters in water, so will lead to the reaction of waste water not since waste water does not pass through pre-treatment
Uniformly, to influence treatment effect.License publication No. CN207748895U discloses a kind of three-diemsnional electrode sewage treatment dress
It sets, is arranged using up-flow, conductive particle is filled between porous positive conductive plate and porous negative conductive plate, improve waste water and conduction
The contacting efficiency of particle.But difficult clean and reuse utilizes after patent conductive particle failure.License publication No.
CN207998477U discloses a kind of three-dimensional electro-catalysis sewage-treatment plant, is integrated with three-dimensional electrode electrolysis, flocculation sedimentation effect,
Mass transfer effect and current efficiency are improved, but the patent does not consider device pollution problem, in addition, higher for organic concentration
Dyeing waste water, often single processing method can not make its up to standard, need the coupling combination of a variety of processing methods that could stablize and reach
Mark discharge.
Summary of the invention
The object of the present invention is to provide a kind of novel photoelectrics to couple waste water treatment system, and the realization for capableing of efficient stable is continuous
Operation processing waste water.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of novel photoelectric coupling waste water treatment system, which is characterized in that filled including pretreatment unit, three-diemsnional electrode catalysis oxidation
It sets, strengthen photocatalysis apparatus and pickling tube, the pretreatment unit is connected to three-diemsnional electrode catalytic oxidizing equipment, the three-dimensional electricity
Pole catalytic oxidizing equipment is connected with reinforcing photocatalysis apparatus, pickling tube respectively；
The pretreatment system includes chemicals dosing plant, coagulative precipitation device and agitating device, the chemicals dosing plant and agitating device
It is set to above coagulative precipitation device；
Valve and water pump, the three-diemsnional electrode catalysis are provided between the three-diemsnional electrode catalytic oxidizing equipment and pretreatment unit
Granule electrode is filled in oxidation unit.
It preferably, include PH regulator, coagulant and flocculation aid in the chemicals dosing plant.
Preferably, it is additionally provided between the three-diemsnional electrode catalytic oxidizing equipment and reinforcing photocatalysis apparatus for recycling
Magnetic absorption device and filter device.
Preferably, there is 0.45 μm of filter membrane in the filter device.
Preferably, the reinforcing photocatalysis apparatus is filled out using spray water inlet, the glass of built-in coating visible-light photocatalyst
Material.
Preferably, three-diemsnional electrode catalytic oxidizing equipment inside inflow and outflow by the way of upper entering and lower leaving.
Preferably, the three-diemsnional electrode catalytic oxidizing equipment is cylindrical shape, in the three-diemsnional electrode catalytic oxidizing equipment
Wall is glued with titanium net, and middle position is provided with graphite carbon rod, remaining position is filled with granule electrode.
Preferably, three-diemsnional electrode catalytic oxidizing equipment bottom is additionally provided with oxygen enhancing aeration device.
In conclusion the invention has the benefit that granule electrode of the present invention passes through magnetism and inhales with magnetism
Adsorption device and filter device, which are realized, to be recycled, and cost is reduced.Pickling system is set, electrode fouling is avoided.Waste water of the present invention
Processing System Design is reasonable, easy to operate, and clean-up effect is stable, efficient, guarantees qualified discharge, and it is useless to be able to achieve continuous operation processing
Water.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is three-diemsnional electrode catalytic oxidizing equipment structural schematic diagram of the invention；
Fig. 3 is reinforcing photocatalysis apparatus structural schematic diagram of the invention；
In figure, 100- former pond, the first valve of 101-, the first water pump of 102-, 200- coagulative precipitation device, 210- chemicals dosing plant,
220- agitating device, 31- anode, 32- cathode, 33- granule electrode, 34- oxygen enhancing aeration device, the catalysis of the first three-diemsnional electrode of 310-
Oxidation unit, the second valve of 311-, the second water pump of 312-, 320- the second three-diemsnional electrode catalytic oxidizing equipment, 321- third valve,
322- third water pump, 330- third three-diemsnional electrode catalytic oxidizing equipment, the 4th valve of 331-, the 4th water pump of 332-, 313- the 5th
Valve, the 6th valve of 323-, the 7th valve of 333-, the first filter screen of 314-, the second filter screen of 324-, 334- third filter screen,
400- pickling tube, the 8th valve of 401-, the 5th water pump of 402-, the 9th valve of 403-, the 6th water pump of 404-, the tenth valve of 405-,
The 7th water pump of 406-, 500- magnetic absorption device, the 8th water pump of 502-, 600- filter device, 700- water quality automatic monitoring device,
The 11st valve of 701-, the 9th water pump of 702-, the 12nd valve of 703-, 800- strengthen photocatalysis apparatus, 81- water inlet, and 82- goes out
The mouth of a river, 83- glass filler.
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing, and the present embodiment is not constituted to the present invention
Limitation.
As shown in Figure 1, a kind of novel photoelectric couples waste water treatment system, including pretreatment unit, three-diemsnional electrode are catalyzed oxygen
Makeup sets, strengthens photocatalysis apparatus and pickling tube, and the pretreatment unit is connected to three-diemsnional electrode catalytic oxidizing equipment, and described three
Dimension electrode catalyst oxidation unit is connected with reinforcing photocatalysis apparatus 800, pickling tube 400 respectively.
The waste water storage is in former pond 100, and the former pond 100 is connected with pretreatment unit, the former pond
The first valve 101 and the first water pump 102 are provided between 100 and pretreatment unit, the pretreatment system includes chemicals dosing plant
210, coagulative precipitation device 200 and agitating device 220, the chemicals dosing plant 210 are set to coagulating sedimentation dress with agitating device 220
200 tops are set, the chemicals dosing plant 210 is provided with pH adjusting agent, sulfuric acid and sodium hydroxide, concentration 0.1mol/L.PAC(is poly-
Close iron chloride) it is used as coagulant, dosage 0.1-0.5%.PAM (polyacrylamide) is used as flocculation aid, dosage
For 2-5ppm, inside accelerates the solution rate of PAC and PAM and water by stirring, after PAC and PAM dissolution, introduces coagulating sedimentation
Device 200.Coagulative precipitation device 200 is having a size of 1.5m × 1.2m × 1m, 220 revolving speed 400-1000r/min of agitating device.Dosing
Device 210 is having a size of 0.5m × 0.4m × 0.8m, built-in mixing speed 500-800 r/min.
Three-diemsnional electrode catalytic oxidizing equipment inside inflow and outflow by the way of upper entering and lower leaving, as shown in Fig. 2, three
Dimension electrode catalyst oxidation unit is cylindrical shape, is made of organic glass, base diameter 0.8-1.2m, height 1-1.5m.Sun
Pole 31 is placed among three-diemsnional electrode catalytic oxidizing equipment, is graphite carbon rod, cathode 32 is by titanium net structure composition, using Ti/
IrO2-Ta2O5Or Ti/ IrO2-SnO2- PdO material is tightly attached to inside sidewalls, and conductive particle, which is filled between cathode and anode, to be made
For granule electrode 33.Oxygen enhancing aeration device 34 is arranged in three-diemsnional electrode catalytic oxidizing equipment bottom, which increases dissolves in waste water
Oxygen content improves treatment effect, 34 aperture 2-3mm of oxygen enhancing aeration device so that the processing of waste water is more uniform.
The granule electrode 33 is doping Fe3O4Porous carbon nano-composite material, wherein porous carbon can be multi wall carbon and receive
The materials such as mitron, graphene, active carbon, the preparation method is as follows: being in advance dissolved in 0.425g frerrous chloride and 0.6275g iron chloride
In the deionized water of 100ml.Then porous carbon materials are impregnated in the mixed solution of frerrous chloride and iron chloride, at 60 DEG C
Under constant temperature, 12-15h is stirred, a certain amount of concentrated nitric acid is slowly added in whipping process.It is done under conditions of 60-90 DEG C
Dry 9-15h grinds after dry, is put into tube furnace, and under constant condition of nitrogen gas and 600-800 DEG C of under the conditions of keeps 40-
80min takes out after cooling, obtains doping Fe3O4Porous nano composite material, the loading of the granule electrode is 100-
600mg/L.DC power supply, three-diemsnional electrode catalytic oxidizing equipment current density are connected on the three-diemsnional electrode catalytic oxidizing equipment
5-25mA/cm2。
There are three the three-diemsnional electrode catalytic oxidizing equipment settings, respectively the first three-diemsnional electrode catalytic oxidizing equipment 310,
Second three-diemsnional electrode catalytic oxidizing equipment 320, third three-diemsnional electrode catalytic oxidizing equipment 330, the first three-diemsnional electrode catalysis
The second valve 311 and the second water pump 312, the second three-diemsnional electrode catalysis are provided between oxidation unit 310 and pretreatment unit
Third valve 321 and third water pump 322, the third three-diemsnional electrode catalysis are provided between oxidation unit 320 and pretreatment unit
The 4th valve 331 and the 4th water pump 332, the first three-diemsnional electrode catalysis are provided between oxidation unit 330 and pretreatment unit
310 water outlet of oxidation unit is provided with the first filter screen 314,320 water outlet of the second three-diemsnional electrode catalytic oxidizing equipment
Place is provided with the second filter screen 324, and 330 water outlet of third three-diemsnional electrode catalytic oxidizing equipment is provided with third filter screen
334。
Magnetic absorption device is additionally provided between the three-diemsnional electrode catalytic oxidizing equipment and reinforcing photocatalysis apparatus 800
500 with filter device 600, have 0.45 μm of filter membrane, the first three-diemsnional electrode catalytic oxidizing equipment in the filter device 600
The 5th valve 313, the second three-diemsnional electrode catalytic oxidizing equipment 320 and magnetic are provided between 310 and magnetic absorption device 500
The 6th valve 323, the third three-diemsnional electrode catalytic oxidizing equipment 330 and magnetic absorption are provided between property adsorbent equipment 500
The 7th valve 333 is provided between device 500,500 front end of magnetic absorption device is additionally provided with the 8th water pump 502.
The pickling tube 400 is connected to three-diemsnional electrode catalytic oxidizing equipment by pipeline, and the pickling solution in pickling tube 400 is
The hydrochloric acid solution or sulfuric acid solution of 1mol/L.310 connecting pipe of the pickling tube 400 and the first three-diemsnional electrode catalytic oxidizing equipment
On be provided with the 8th valve 401 and the 5th water pump 402, the pickling tube 400 and the second three-diemsnional electrode catalytic oxidizing equipment 320 connect
The 9th valve 403 and the 6th water pump 404 are provided on adapter tube road, the pickling tube 400 is filled with third three-diemsnional electrode catalysis oxidation
It sets and is provided with the tenth valve 405 and the 7th water pump 406 in 330 connecting pipes, the three-diemsnional electrode catalytic oxidizing equipment is respectively provided with
There is pipeline to be connected with former pond 100, for the waste water after pickling to be carried out recycling circulation.
One water quality automatic detection device 700 is installed, the filter device 600 goes out in 600 outlet pipe of filter device
Water pipe is divided into two drainage pipelines after water quality automatic detection device 700, and a drainage pipeline is equipped with the 11st valve 701,
The 12nd valve 703, the 9th water pump 702 are separately installed with along water (flow) direction on another drainage pipeline and strengthen photocatalysis apparatus
800。
As shown in figure 3, being equipped with spray equipment, the water inlet 81 at 800 water inlet 81 of reinforcing photocatalysis apparatus
It is set at the top of device vertically downward by the way of spray water inlet, crust of the device is made of silica glass material, base diameter
0.6-0.8m, height 1.2-1.8m.Inside there is the glass filler 83 of coating visible-light photocatalyst, it is seen that light photochemical catalyst changes for Bi
Property TiO2Material or C3N4And TiO2Composite material.Lower part filler diameter 3-5mm, top filler diameter 1-1.5mm, it is described
Strengthen 800 water outlet 82 of photocatalysis apparatus and is set to bottom of device.
It is controlled in order to more convenient, all valves of the present invention, the unlatching of water pump, closing are carried out certainly by PLC control cabinet
Dynamic control.
Working principle: opening the first valve 101, and waste water flows into coagulating sedimentation dress by the first water pump 102 from former pond 100
200 are set, chemicals dosing plant 210 and agitating device 220 are arranged above coagulative precipitation device 200, stir by dosing, and give up water-borne glue
Body and fine suspension object are condensed into floccule body, are then separated off, to reduce suspended particulate to three-diemsnional electrode catalysis oxidation
The influence of device.Waste water, which controls after coming out from coagulative precipitation device 200 by valve and water pump, enters three-diemsnional electrode catalysis oxidation
Device carries out electrochemical treatments.
The waste water flowed out from pretreatment system is flowed into the first three-dimensional electricity by the second valve 311 and the second water pump 312
Pole catalytic oxidizing equipment 310 flooding time 35-45 minutes, stops water inlet when water level reaches device height 80%-90%,
The second valve 311 and the second water pump 312 are closed, starts to carry out electrochemical catalytic oxidation, voltage 5-10V, reaction time 30-40 point
Clock opens the 5th valve 313 later, closes the draining of the first filter screen 314 and prevent granule electrode 33 from losing, the first three-diemsnional electrode
Waste water discharge in 5-10 minutes empties in catalytic oxidizing equipment 310.Closing the same of the second valve 311 and the second water pump 312
When, it opens third valve 321 and third water pump 322 intakes to the second three-diemsnional electrode catalytic oxidizing equipment 320, flooding time 35-
45 minutes, stop water inlet when water level reaches device height 80%-90%, close third valve 321 and third water pump 322,
Start to carry out electrochemical catalytic oxidation, voltage 5-10V, reaction time 30-40 minute opens the 6th valve 323, closing the later
Two filter screens 324 drain and prevent granule electrode 33 from losing, and waste water is at 5-10 points in the second three-diemsnional electrode catalytic oxidizing equipment 320
Discharge empties in clock.When closing third valve 321 and third water pump 322, third three-diemsnional electrode catalytic oxidizing equipment is enabled
330, the operation before repeating.First three-diemsnional electrode catalytic oxidizing equipment 310 is opened after carrying out 5 electrochemical catalytic oxidation processing
Granule electrode 33 in first three-diemsnional electrode catalytic oxidizing equipment 310 is discharged with waste water, opens later by the first filter screen 314
8th valve 401 and the 5th water pump 402, be pumped into pickling tube 400 in pickling solution cleaning device, after cleaning pickle liquor into
Enter former pond 100.This operation is repeated when to the cleaning of remaining three-diemsnional electrode catalytic oxidizing equipment.In any 1 three-diemsnional electrode
When catalytic oxidizing equipment is cleaned, in addition 2 three-diemsnional electrode catalytic oxidizing equipments run well.
Magnetic absorption device is flowed through by the 8th water pump 502 by three-diemsnional electrode catalytic oxidizing equipment treated waste water
500 and filter device 600, for adsorbing, retaining magnetic granule electrode 33.The granule electrode 33 of retention is through over cleaning and work
It is refilled in three-diemsnional electrode catalytic oxidizing equipment after change processing, realizes and recycle.
Water quality automatic monitoring device 700 is used to monitor water quality, if water quality reaches standard, opens the 11st valve 701, gives up
The direct outlet of water.If water quality is unable to reach standard, the 12nd valve 703 and the 9th water pump 702 are opened, closes the 11st valve
701, waste water is pumped into and strengthens photocatalysis apparatus 800, is further processed rear outlet.
Embodiment 1
Periphery organic wastewater is handled using a kind of novel photoelectric coupling waste water treatment system as shown in Figure 1, waste water
Water quality indicator: CODcr 868mg/L, SS 115mg/L, coloration are 800 times, PH 8.6.The dosage of granule electrode is
100mg/L, current density 10mA/cm2, aeration intensity 1L/min.COD removal rate reaches 89%, and chroma removal rate 96% reaches
Textile dyeing and finishing industrial water pollution object discharge standard.
Embodiment 2
Periphery organic wastewater is handled using a kind of novel photoelectric coupling waste water treatment system as shown in Figure 1, waste water
Water quality indicator: CODcr 1100mg/L, SS 200mg/L, coloration are 680 times.Current density 20mA/cm2, aeration intensity 2L/
Min, granule electrode dosage 300mg/L.The removal rate of COD reaches 91%, and chroma removal rate 95% reaches textile dyeing and finishing industry
Pollution discharge standard.
The above described is only a preferred embodiment of the present invention, being not used in the limitation present invention, those skilled in the art can
It is this to modify or equally replace within the spirit and scope of the present invention, to make various modifications or equivalent replacements to the present invention
Changing, which also should be regarded as, falls in the protection scope of technical solution of the present invention.
Claims (8)
1. a kind of novel photoelectric couples waste water treatment system, which is characterized in that including pretreatment unit, three-diemsnional electrode catalysis oxidation
Device, reinforcing photocatalysis apparatus and pickling tube, the pretreatment unit are connected to three-diemsnional electrode catalytic oxidizing equipment, the three-dimensional
Electrode catalyst oxidation unit is connected with reinforcing photocatalysis apparatus, pickling tube respectively；
The pretreatment system includes chemicals dosing plant, coagulative precipitation device and agitating device, the chemicals dosing plant and agitating device
It is set to above coagulative precipitation device；
Valve and water pump, the three-diemsnional electrode catalysis are provided between the three-diemsnional electrode catalytic oxidizing equipment and pretreatment unit
Granule electrode is filled in oxidation unit.
2. a kind of novel photoelectric according to claim 1 couples waste water treatment system, it is characterised in that: the chemicals dosing plant
Interior includes PH regulator, coagulant and flocculation aid.
3. a kind of novel photoelectric according to claim 1 couples waste water treatment system, it is characterised in that: the three-diemsnional electrode
The magnetic absorption device and filter device for recycling are additionally provided between catalytic oxidizing equipment and reinforcing photocatalysis apparatus.
4. a kind of novel photoelectric according to claim 3 couples waste water treatment system, it is characterised in that: the filter device
Inside there is 0.45 μm of filter membrane.
5. a kind of novel photoelectric according to claim 1 couples waste water treatment system, it is characterised in that: the reinforcing light is urged
Makeup is set using spray water inlet, the glass filler of built-in coating visible-light photocatalyst.
6. a kind of novel photoelectric according to claim 1 couples waste water treatment system, it is characterised in that: the three-diemsnional electrode
Catalytic oxidizing equipment inside inflow and outflow by the way of upper entering and lower leaving.
7. a kind of novel photoelectric according to claim 1 couples waste water treatment system, it is characterised in that: the three-diemsnional electrode
Catalytic oxidizing equipment is cylindrical shape, and the three-diemsnional electrode catalytic oxidizing equipment inner wall is glued with titanium net, and middle position is provided with
Graphite carbon rod, remaining position are filled with granule electrode.
8. a kind of novel photoelectric according to claim 1 couples waste water treatment system, it is characterised in that: the three-diemsnional electrode
Catalytic oxidizing equipment bottom is additionally provided with oxygen enhancing aeration device.
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