CN107055889A - A kind of marine culture wastewater efficient electrolysis denitrification dephosphorization apparatus and method - Google Patents
A kind of marine culture wastewater efficient electrolysis denitrification dephosphorization apparatus and method Download PDFInfo
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- CN107055889A CN107055889A CN201710534093.XA CN201710534093A CN107055889A CN 107055889 A CN107055889 A CN 107055889A CN 201710534093 A CN201710534093 A CN 201710534093A CN 107055889 A CN107055889 A CN 107055889A
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- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 80
- 239000002351 wastewater Substances 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 238000012384 transportation and delivery Methods 0.000 claims abstract description 18
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 15
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 14
- 239000011574 phosphorus Substances 0.000 claims abstract description 14
- 239000013049 sediment Substances 0.000 claims abstract description 10
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000000354 decomposition reaction Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 239000006228 supernatant Substances 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000009313 farming Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 238000009364 mariculture Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- YUWBVKYVJWNVLE-UHFFFAOYSA-N [N].[P] Chemical compound [N].[P] YUWBVKYVJWNVLE-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000003863 metallic catalyst Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 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
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000013439 planning Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
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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
-
- 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
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
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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
- C02F1/465—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electroflotation
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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
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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
- C02F1/469—Treatment of water, waste water, or sewage by electrochemical methods by electrochemical separation, e.g. by electro-osmosis, electrodialysis, electrophoresis
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/20—Nature of the water, waste water, sewage or sludge to be treated from animal husbandry
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4618—Supplying or removing reactants or electrolyte
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
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Abstract
The present invention relates to technical field of waste water processing, in particular a kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus, including apparatus body, water inlet, delivery port, electrolysis unit anode, electrolysis unit negative electrode, electrolysis unit anode is arranged in apparatus body with electrolysis unit negative electrode, water inlet on apparatus body is connected with waste water lifting pump, dosing pipe is provided between electrolysis unit anode and electrolysis unit negative electrode, the outlet of dosing pipe delivery outlet and dosing pump, it is provided with below apparatus body below tube settler, tube settler and is provided with settling zone.After the device discharges nitrogen and the phosphorus electrolysis of waste water by electrolysis unit anode, electrolysis unit negative electrode, dosing pipe, then pass through dosing hybrid reaction generation sediment.Operating cost of the present invention is low, and stable, can effectively remove COD, phosphorus and the nitrogen during sea-farming, and high treating effect is conducive to environmental protection, reaches the standard of country's discharge.
Description
Technical field
The present invention relates to technical field of waste water processing, specially a kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus
And method.
Background technology
Over nearly 20 years, due to the fast development of Chinese Industrialization mariculture industry, coastal nursery and animal farm wastewater row
It is high-volume growing day by day, nearly water marine environment severe exacerbation, so as to result in unbalance safeguard of coast and marine ecological system, frequent occurrence, disease
Evil is grown.In order to protect the marine environment, transmission is reduced, it is ensured that the sustainable development of industrialization mariculture industry, national section
National marine hi-tech development planning item-" research of sea farming wastewater processing technology " has been assigned by committee.Physical handles skill
Art be study at present it is more, using wider industrialization marine culture wastewater treatment technology, this method is using precipitation, filtering and steeps
The technologies such as foam separation, mainly remove the suspension and part chemical oxygen consumption (COC) (COD), BOD in marine culture wastewater, but pair can
The removal effect of soluble organism, inorganic matter and N, P etc. is not good.
The content of the invention
It is an object of the invention to provide a kind of marine culture wastewater efficient electrolysis denitrification dephosphorization apparatus and method, to solve
The problem of being proposed in above-mentioned background technology.The marine culture wastewater efficient electrolysis denitrification dephosphorization apparatus have operating cost it is low,
Maintenance management is convenient, stable, it combines the characteristics of electrolysis nitrogen and phosphorus removal method can effectively remove COD in waste water, phosphorus nitrogen.
To achieve the above object, the present invention provides following technical scheme：
A kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus, including apparatus body, water inlet, delivery port, electrolysis
Device anode, electrolysis unit negative electrode, electrolysis unit anode are arranged in apparatus body with electrolysis unit negative electrode, the apparatus body
On water inlet be connected with waste water lifting pump, dosing pipe is provided between electrolysis unit anode and electrolysis unit negative electrode, it is described
The outlet of deflector, dosing pipe delivery outlet and dosing pump is provided between delivery port and electrolysis unit negative electrode, it is described to add
Pencil roadside side is provided with below the mixer being fixedly connected on apparatus body, the apparatus body and is provided with tube settling
Settling zone is provided with below pond, tube settler.
It is preferred that, the top of the apparatus body is additionally provided with electrolysis coagulation reaction zone.
It is preferred that, the region between deflector and delivery port is exhalant region, and the delivery port is arranged on exhalant region.
It is preferred that, the electrolysis unit anode uses iron aluminium mixed electrode, and the electrolysis unit negative electrode uses graphite electrode.
A kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization method, it comprises the following steps：
S1, the water inlet that waste water lifting pump is connected to apparatus body is first passed through, pass through electrolysis unit anode, electrolysis unit cloudy
Pole, dosing pipe generate sediment after nitrogen and phosphorus the electrolysis release of waste water by dosing hybrid reaction；
S2 then by tube settler dosing hybrid reaction generate sediment after separation of solid and liquid, supernatant lead to
Cross deflector and enter exhalant region；
S3, by tube settler, the solids of generation enters settling zone, is then discharged to solids by gravity deslagging
Drying bed；
S4, the solids removed are discharged to collectively as fixed-end forces after drying bed desiccation, and drying bed plays stabilisation and subtracted
The effect of quantization.
It is preferred that, decomposition voltage is provided for device by D.C. regulated power supply, applies voltage between 0.3V-1.2V, control
Reaction temperature is between 15 DEG C -45 DEG C.
It is preferred that, the sedimentation time of waste water is 3~5 hours in the tube settler.
Compared with prior art, the beneficial effects of the invention are as follows：Into marine culture wastewater efficient electrolysis denitrogenation dephosphorizing dress
On the one hand the waste water put play a part of the COD that degrades by cell reaction, on the other hand plays and discharges phosphorus completely with ionic state
Out, the ionic state product of phosphorus and nitrogen is carried out by reaction by dosing and forms sediment.Described precipitation reaction increase stirring dress
Put and play a part of being sufficiently mixed reaction, sediment enters tube settler and carries out separation of solid and liquid, concentrated after sediment is concentrated
Disposal.Operating cost of the present invention is low, and stable, can remove COD, phosphorus and the nitrogen during sea-farming, make it
Beneficial to environmental protection, the standard of country's discharge is reached.
Brief description of the drawings
Fig. 1 is the main view for the marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus that the specific embodiment of the invention is provided
Figure；
Fig. 2 is the vertical view for the marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus that the specific embodiment of the invention is provided
Figure.
In figure：Water inlet 1, apparatus body 2, electrolysis unit anode 3, electrolysis unit negative electrode 4, exhalant region 5, delivery port 6, stir
Mix machine 7, dosing pipe 8, deflector 9, tube settler 10, settling zone 11.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
Refer in Fig. 1-2, the present embodiment, a kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus, including equipment
Body 2, water inlet 1, delivery port 6, electrolysis unit anode 3, electrolysis unit negative electrode 4, electrolysis unit anode 3 and electrolysis unit negative electrode
4 are arranged in apparatus body 2, and the water inlet 1 on apparatus body 2 is connected with waste water lifting pump, and electrolysis unit anode 3 and electrolysis are filled
Put and be provided with dosing pipe 8 between negative electrode 4, deflector 9, dosing pipe 8 are provided between delivery port 6 and electrolysis unit negative electrode 4
The outlet of delivery outlet and dosing pump, the side of dosing pipe 8 is provided with the mixer 7 being fixedly connected on apparatus body 2, if
The lower section of standby body 2 is provided with tube settler 10, and the lower section of tube settler 10 is provided with settling zone 11；The top of apparatus body 2
It is additionally provided with electrolysis coagulation reaction zone；Region between deflector 9 and delivery port 6 is exhalant region 5, and delivery port 6 is arranged at exhalant region 5
On；Electrolysis unit anode 3 uses iron aluminium mixed electrode, and electrolysis unit negative electrode 4 uses graphite electrode.
A kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization method, it comprises the following steps：
S1, the water inlet 1 that waste water lifting pump is connected to apparatus body 2 is first passed through, pass through electrolysis unit anode 3, electrolysis dress
Negative electrode 4, dosing pipe 8 are put after nitrogen and phosphorus the electrolysis release of waste water, sediment is generated by dosing hybrid reaction；
S2 then by tube settler 10 dosing hybrid reaction generate sediment after separation of solid and liquid, supernatant
Exhalant region 5 is entered by deflector 9；
S3, by tube settler 10, the solids of generation enters settling zone 11, then by gravity deslagging by solids
It is discharged to drying bed；
S4, the solids removed are discharged to collectively as fixed-end forces after drying bed desiccation, and drying bed plays stabilisation and subtracted
The effect of quantization.
Decomposition voltage is provided for device by D.C. regulated power supply, applies voltage between 0.3V-1.2V, controlling reaction temperature
Between 15 DEG C -45 DEG C.
The sedimentation time of waste water is 3~5 hours in tube settler 10.
Waste water is pumped into apparatus body 1 by lifting and carries out electrolysis nitrogen and phosphorus removal, is entered by mixer 7 during this
Row stirring, sodium chloride solution is added by dosing pipe 8, keeps electrical conductivity of solution to be more than 20ms/cm so that effects of ion is anti-
Speed is answered to accelerate, required electric current energy consumption reduction maintains Chlorine in Solution ion concentration and is in certain level.When injecting waste water, electricity
Stream will rise rapidly, with the progress of reaction, persistently produce nitrogen near the marking, reach denitrogenation purpose.D.C. regulated power supply is
Device provides decomposition voltage, applies voltage between 0.3-1.2V, controlling reaction temperature is between 15 DEG C -45 DEG C, it is ensured that dress
The voltage and reaction temperature of stabilization when putting operation.The electrode of electrolysis unit anode 3 uses iron aluminium mixing material, electrolysis unit negative electrode
4 electrode uses graphite material, without metallic catalyst and amberplex, saves construction cost.
During electrolysis wastewater, under DC Electric Field, electric charge is in electrolysis unit anode 3, electrolysis unit negative electrode 4 and electricity
Solve in liquid and occur migration transfer, occur reduction reaction in electrolysis unit anode 3, occur oxidation reaction, electricity in electrolysis unit negative electrode 4
Solve with generation precipitation reaction, redox reaction, hydrolysis etc. in liquid, and occur absorption, flocculation, air supporting in solution simultaneously
Etc. a variety of physics chemical actions.Electrode method has the advantages that clearance is high, selectivity is strong, the water conservancy residence time is short, electric field action
Particulate matter flocculation efficiency in sewage is enhanced with air supporting effect, water outlet TDS (total dissolved solid) is less.
Tube settler 10 is that a large amount of swash plates are added in sedimentation basin, adds per surface area, and swash plate setting angle is
60 degree, the cross conformation for turning into the oblique arrangement of opposite direction mutually with adjacent two plate and combining, the shape of one group of swash plate turns into length
Square standard, the distance between two adjacent two plates are that Reynolds number is small between 50-60mm, swash plate, and reverse flow interference is small, belong to laminar flow shape
State, is conducive to suspension settlement.Per surface area hydraulic load is big, up to 4-5m3/m2H, and flat flow and good fortune flow settling pond
Hydraulic load is only 0.6m3/m2·h.Therefore the deposition efficiency of tube settler 10 is high, the solids that precipitation is produced enters settling zone 11,
The material of tube settler 10 uses Plastic awning cloth sub-assembly, sub-assembly acid-proof, alkali prevention, oil resistant, the high temperature resistant.Tube settler 10
Laminar condition is good, and particle sedimentation is not drained off by wadding disturbs, and deposition efficiency is high, and its disposal ability is 3-5 times of rectangular sedimentation tank.
Using certain city seawater waste water as research object, electrolysis nitrogen and phosphorus removal, specific number are carried out using the embodiment of the present invention
According to such as following table：
| Control group | Embodiment | |
| Nitrogen | 23.86mg/L | 1.79mg/L |
| Phosphorus | 1.76mg/L | 0.10mg/L |
| COD | 23.00mg/L | 2.23mg/L |
| Water class standard | It is worse than V classes | II class |
Water class standard according to《Water environment quality standard》(GB3838-2002) provide, be divided into according to protection target in
Five major classes, table specific as follows：
Control group is untreated effluent, and embodiment is the waste water after the inventive method is handled.By the side of embodiment
Method processing after, Determination of Total Nitrogen in Waste Water, total phosphorus, COD contents significantly decline, water quality be improved significantly, water quality by be worse than V classes lifted
II class standard, reaches the standard of country's discharge, is conducive to environmental protection.It is 8 days or so using the inventive method process cycle, gives up
The clearance of ammonia nitrogen and phosphorus is up to 99% in water.
Above example is the general principle and characteristic for elaborating the present invention, and the present invention is not limited by above-mentioned example,
Without departing from the spirit and scope, the present invention also has various change and change, and these changes and modifications are both fallen within
In scope of the claimed invention.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (7)
1. a kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus, it is characterised in that including apparatus body (2), water inlet
(1), delivery port (6), electrolysis unit anode (3), electrolysis unit negative electrode (4), electrolysis unit anode (3) and electrolysis unit negative electrode
(4) it is arranged in apparatus body (2), the water inlet (1) on the apparatus body (2) is connected with waste water lifting pump, electrolysis unit
Dosing pipe (8), the delivery port (6) and electrolysis unit negative electrode (4) are provided between anode (3) and electrolysis unit negative electrode (4)
Between be provided with beside the outlet of deflector (9), dosing pipe (8) delivery outlet and dosing pump, the dosing pipe (8) and set
It is equipped with below the mixer (7) being fixedly connected on apparatus body (2), the apparatus body (2) and tube settler is installed
(10) settling zone (11), are provided with below tube settler (10).
2. a kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus according to claim 1, it is characterised in that described
The top of apparatus body (2) is additionally provided with electrolysis coagulation reaction zone.
3. a kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus according to claim 1, it is characterised in that water conservancy diversion
Region between plate (9) and delivery port (6) is exhalant region (5), and the delivery port (6) is arranged on exhalant region (5).
4. a kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization apparatus according to claim 1, it is characterised in that described
Electrolysis unit anode (3) uses iron aluminium mixed electrode, and the electrolysis unit negative electrode (4) uses graphite electrode.
5. a kind of marine culture wastewater efficient electrolysis denitrogenation dephosphorization method as claimed in claim 1, it is characterised in that：It includes
Following steps：
S1, the water inlet (1) that waste water lifting pump is connected to apparatus body (2) is first passed through, pass through electrolysis unit anode (3), electrolysis
Device negative electrode (4), dosing pipe (8) generate sediment after nitrogen and phosphorus the electrolysis release of waste water by dosing hybrid reaction；
S2 then by tube settler (10) dosing hybrid reaction generate sediment after separation of solid and liquid, supernatant lead to
Cross deflector (9) and enter exhalant region (5)；
S3, by tube settler (10), the solids of generation enters settling zone (11), then by gravity deslagging by solids
It is discharged to drying bed；
S4, the solids removed are discharged to collectively as fixed-end forces after drying bed desiccation, and drying bed plays stabilisation and minimizing
Effect.
6. marine culture wastewater efficient electrolysis denitrogenation dephosphorization method according to claim 5, it is characterised in that steady by direct current
Voltage source provides decomposition voltage for device, applies voltage between 0.3V-1.2V, controlling reaction temperature is between 15 DEG C -45 DEG C.
7. marine culture wastewater efficient electrolysis denitrogenation dephosphorization method according to claim 5, it is characterised in that the inclined tube
The sedimentation time of sedimentation basin (10) interior waste water is 3~5 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710534093.XA CN107055889A (en) | 2017-07-03 | 2017-07-03 | A kind of marine culture wastewater efficient electrolysis denitrification dephosphorization apparatus and method |
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| CN201710534093.XA CN107055889A (en) | 2017-07-03 | 2017-07-03 | A kind of marine culture wastewater efficient electrolysis denitrification dephosphorization apparatus and method |
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| CN114873696A (en) * | 2022-03-25 | 2022-08-09 | 武汉大学 | Water treatment system for synchronously removing N-P-COD (nitrogen-phosphorus-oxygen demand) in cathode electrocoagulation and electrooxidation process coupling |
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Application publication date: 20170818 |