CN108640266A - The reactor of denitrogenation dephosphorizing coupling treatment of sewage water and its method of treated sewage - Google Patents
The reactor of denitrogenation dephosphorizing coupling treatment of sewage water and its method of treated sewage Download PDFInfo
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- CN108640266A CN108640266A CN201810527048.6A CN201810527048A CN108640266A CN 108640266 A CN108640266 A CN 108640266A CN 201810527048 A CN201810527048 A CN 201810527048A CN 108640266 A CN108640266 A CN 108640266A
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/307—Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a kind of denitrogenation dephosphorizing coupling processors and its method of treated sewage, the method for treated sewage of the invention to include the following steps：(1) ammonia-nitrogen content in sewage is measured；(2) a certain proportion of nitrite nitrogen is added by the ammonia-nitrogen content in sewage；(3) pH value in buffer solution adjusting sewage is added；(4) sewage regulated enters progress Anammox processing in reactor；(5) chemical agent is put into the reactor, removes phosphorus and fine suspension in waste water and emulsifies oily substance；(6) reactor is discharged after reaching discharge standard after stirring and standing in sewage.The configuration of the present invention is simple, stability and high efficiency, sewage treating efficiency is high, is conducive to the enrichment of anaerobic ammonia oxidizing bacteria, and biological denitrificaion and chemical dephosphorization combine, and effectively inhibit fouling membrane.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of reactor of denitrogenation dephosphorizing coupling treatment of sewage water and
The method of its treated sewage.
Background technology
Sewage denitrification and dephosphorization is always the hot spot of water treatment field research, can be caused seriously since nitrogen and phosphorus content is excessively high in water
Body eutrophication problem, China puts into effect a variety of policies, improves the discharge standard of sewage in succession.Also more to the removal of nitrogen phosphorus
Strictly.
Traditional biological denitrification phosphorous removal technique generally requires additionally to add organic carbon source and aeration operates, and accordingly increases
Capital cost and operation cost, and effluent quality is gradually difficult to meet increasing discharge standard.Anammox
(Anammox) discovery breaches the electron transfer process that traditional nitration denitrification reacts relatively complicated.It is one kind with NO2 --N
For electron acceptor, NH4 +- N is electron donor, is originated from and supports by inorganic carbon, finally generates N2Biochemical reaction.This discovery makes
Anammox rapidly becomes the main technique of biological denitrificaion, and nitrogen removal rate can theoretically reach 80% or more, is close several
A kind of novel biological dinitrification reaction being concerned over year.But anaerobic ammonia oxidizing bacteria is slow-growing (generation cycle about 11d),
It is sensitive to environmental condition, it causes anaerobic ammonia oxidation reactor and starts overlong time, to seriously constrain Anammox skill
The engineer application of art.Therefore by membrane bioreactor (MBR) technique and Anammox (Anammox) technology coupling in this invention
Technical barrier existing for current Anammox can be overcome by closing (Anammox-MBR), and can also strengthened denitrification effect, to
Achieve the purpose that improve effluent quality.Its principle is that the membrane bioreactor in Anammox-MBR coupling techniques can be by microorganism
It is trapped in reactor, realizes being kept completely separate for hydraulic detention time and sludge retention time.Using the interception capacity of film, favorably
It is efficient to play Anammox to greatest extent in the increment for the anaerobic ammonia oxidizing bacteria that the slow-growing, doubling time is grown
Denitrification ability.Therefore Anammox-MBR techniques can obtain preferable denitrification effect in terms of sewage water denitrification.
But itself do not have phosphor-removing effect since Anammox reacts, and the removal of nitrogen, phosphorus is in carbon source, sludge age etc.
There is contradictions：Sludge sludge age needed for biological denitrificaion is longer, and biological phosphate-eliminating then require system sludge age shorter so as to be discharged compared with
Multiresidue sludge.It can be seen that the bioprocess that nitrogen, phosphorus remove simultaneously is complex, it is merely difficult to realize by bioanalysis
The Nitrogen/Phosphorus Removal of efficient stable.Therefore, chemical dephosphorization medicament is added into traditional biological treatment reactor to strengthen removal
Pollutant becomes the hot spot of synchronous denitrification dephosphorizing research.However, coupling chemistry dephosphorization is still in Anammox denitrification process
Belong to blank.The chemical agent molysite used in the invention of this secondary design and aluminium salt etc. can not only be used as good Dephosphorization reagent, but also can
Using as efficient coagulated agent.By adding the medicaments such as molysite, aluminium salt into reactor, can both effectively remove in sewage
Phosphorus, and electrical neutralization and the adsorption bridging effect of coagulant can be given full play to, what is generated in removal microbial metabolism has
Machine object and colloidal substance mitigate the fouling membrane in MBR reactors, to realize Anammox-MBR reactors economy, lasting, steady
Fixed operation.
Invention content
The technological merit of defect and the design invention in view of the prior art, the present invention provides a kind of sewage treating efficiencies
The method of the reactor and its treated sewage of high denitrogenation dephosphorizing coupling treatment of sewage water.
To realize the above-mentioned technical purpose, the present invention provides following technical solutions：A kind of denitrogenation dephosphorizing coupling of the present invention
The reactor of treated sewage, the reactor be Anammox-MBR reactors, the Anammox-MBR reactors by
Anammox bioreactors and membrane module form, and a concentration of 1-3g is provided in the Anammox bioreactors
The activated sludge of MLVSS/L.
Further, the temperature in the Anammox bioreactors maintains 20-40 DEG C, and pH maintains 6-9, molten
Solution oxygen maintains 0-0.5mg/L, and hydraulic detention time maintains 4-10 hours；The membrane module is hollow fiber film assembly,
The combination of Anammox bioreactors and membrane module is integral type.
Further, the material of film is polychloroethylene film in the membrane module, and membrane aperture is 0.2 μm, single branch membrane module
Area is 20m2, pH ranging from 6-9, work water temperature is 20-40 DEG C, and maximum aspiration pressure is 1.0bar, permeant flux 20L/
m2；It is 0.2-0.5 hours that the stirring, which uses hydraulic mixing mode, mixing time, and time of repose is 0.5-2 hours.Through stirring
After mixing and stirring standing, membrane module realizes the water outlet of reactor by pumping.
A kind of method of denitrogenation dephosphorizing coupling processor treated sewage of the present invention, includes the following steps：
(1) ammonia-nitrogen content in sewage is tested；
(2) by the ammonia-nitrogen content in sewage than adding enough nitrite nitrogens；
(3) pH value in buffer solution adjusting sewage is added；
(4) sewage regulated, which enters in reactor, to be handled；
(5) chemical agent is put into the reactor, removes phosphorus and fine suspension in waste water and emulsifies oily substance；
(6) reactor is discharged after reaching discharge standard after stirring and standing in sewage.
Further, in step (1), the sewage ammonia nitrogen content is in 15-50mg/L, total phosphorus content 1-5mg/L.
Further, the ammonia nitrogen and nitrite nitrogen content ratio are 1：1.32.
Further, in step (3), the buffer solution is sodium carbonate liquor, and adjusting pH value is 7-8.
Further, in step (5), the chemical agent be iron system dephosphorization agent or one kind in aluminium system dephosphorization agent or
Two kinds of combination, the iron system dephosphorization agent are ferric trichloride, and the aluminium system dephosphorization agent is aluminum sulfate or aluminium polychloride.
Further, in step (4), the reactor is Anammox-MBR reactors, the Anammox-
MBR reactors are made of Anammox bioreactors and membrane module, and concentration is provided in the Anammox bioreactors
For the activated sludge of 1-3g MLVSS/L.
Further, in step (4), the temperature in the Anammox bioreactors maintains 20-40 DEG C,
PH maintains 6-9, and dissolved oxygen maintains 0-0.5mg/L, and hydraulic detention time maintains 4-10 hours.
Further, the membrane module is hollow fiber film assembly.
Further, in step (4), the material of film is polychloroethylene film in the membrane module, and membrane aperture is 0.2 μ
M, single branch membrane module area are 20m2, pH ranging from 6-9, work water temperature is 20-40 DEG C, and maximum aspiration pressure is 1.0bar, production
Water flux is 20L/m2。
Further, it is 0.2-0.5 hours that the stirring, which uses hydraulic mixing mode, mixing time, time of repose
It is 0.5-2 hours.
The reactor of denitrogenation dephosphorizing coupling treatment of sewage water of the present invention, the reactor are Anammox-MBR reactors, institute
The Anammox-MBR reactors stated are made of Anammox bioreactors and membrane module, the Anammox bioreactors
Inside it is provided with the activated sludge of a concentration of 1-3g MLVSS/L.
Further, the temperature in the Anammox bioreactors maintains 20-40 DEG C, and pH maintains 6-9, molten
Solution oxygen maintains 0-0.5mg/L, and hydraulic detention time maintains 4-10 hours；The membrane module is hollow fiber film assembly,
The combination of Anammox bioreactors and membrane module is integral type.
Further, the material of film is polychloroethylene film in the membrane module, and membrane aperture is 0.2 μm, single branch membrane module
Area is 20m2, pH ranging from 6-9, work water temperature is 20-40 DEG C, and maximum aspiration pressure is 1.0bar, permeant flux 20L/
m2；It is 0.2-0.5 hours that the stirring, which uses hydraulic mixing mode, mixing time, and time of repose is 0.5-2 hours.
Beneficial effects of the present invention：
The configuration of the present invention is simple, stability and high efficiency, sewage treating efficiency is high, is conducive to the enrichment of anaerobic ammonia oxidizing bacteria, biology
Denitrogenation and chemical dephosphorization combine, and effectively inhibit fouling membrane.It can reach《Integrated wastewater discharge standard》The level-one of GB8978-1996
Standard.
Compared with prior art, the invention has the advantages that：
(1) present invention utilizes iron system dephosphorization agent and aluminium by adding iron system dephosphorization agent and aluminium system dephosphorization agent into reactor
The electrical neutralization for being dephosphorization agent as coagulant and adsorption bridging effect can be effectively removed and be generated in microbial metabolism
Dissolved organic matter and colloidal substance, decelerating membrane pollution situation realize the fortune that Anammox-MBR reactors are lasting, economic, stable
Row.
(2) iron system can not only be used as good Dephosphorization reagent with aluminium system dephosphorization agent, but also can be used as efficient coagulated agent.
(3) it combines to be formed in Anammox-MBR reactors in Anammox techniques and MBR technology and adds existing phosphor-removing effect
There are the iron system dephosphorization agent or aluminium system dephosphorization agent of coagulation effect again (following letter is at coagulant).Utilize the biological denitrificaion of Anammox bacterium
Effect coupling is acted on except the chemical dephosphorization of coagulant, is realized the dephosphorization of sanitary sewage fast denitrogenation and is removed the mesh of partial organic substances
, and under the effect of the flocculation sediment of coagulant, reduce the sludge quantity of the deposition of film surface, keep sludge structure loose, effectively
Reduce the degree of fouling membrane.
(4) be conducive to the enrichment of anaerobic ammonia oxidizing bacteria.The anaerobic ammonia oxidizing bacteria doubling time is long, slow-growing, cell yield
It is extremely low, it is environmentally sensitive, so enrichment anaerobic ammonia oxidizing bacteria is more difficult.MBR reactors utilize the interception capacity of film, are conducive to give birth to
The increment of the microorganism of long slow doubling time length.So Anammox techniques and MBR technology are combined, be conducive to anaerobism ammonia oxygen
Change the enrichment of bacterium.
(5) biological denitrificaion and chemical dephosphorization combine.Traditional biological denitrification phosphorous removal technique is de- using denitrifier and dephosphorization bacterial
Nitrogen dephosphorization, but the denitrifier contradiction different from dephosphorization bacterial sludge age can not avoid.This technique is by biological denitrificaion and chemical dephosphorization
In conjunction with, it can be with the different contradiction of effective solution sludge age, and improve the ability of reactor denitrogenation dephosphorizing.
(6) effectively inhibit fouling membrane.The dosing coagulant into reactor passes through the electrical neutralization of coagulant and adsorption bridging
Effect can effectively remove the colloid and dissolved organic matter matter of microbial metabolism generation, increase the grain size of Anammox sludge,
Decelerating membrane pollution.
Description of the drawings
Fig. 1 is the schematic diagram of the reactor of the present invention, wherein 1Anammox reactors, 2 membrane modules, 3 activated sludge.
Specific implementation mode
The technique effect of the design of the present invention, concrete structure and generation is described further below with reference to attached drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
Embodiment 1
A kind of reactor of denitrogenation dephosphorizing coupling treatment of sewage water of the present invention, the reactor are that Anammox-MBR is anti-
Device, the Anammox-MBR reactors is answered to be made of Anammox bioreactors and membrane module, Anammox biologies
The activated sludge of a concentration of 2g MLVSS/L is provided in reactor.
Temperature in the Anammox bioreactors maintains 30 DEG C, and pH maintains 8.0, and dissolved oxygen maintains
0mg/L, hydraulic detention time maintain 6 hours.The membrane module is hollow fiber film assembly.Film in the membrane module
Material is polychloroethylene film, and membrane aperture is 0.2 μm, and single branch membrane module area is 20m2, pH ranging from 8.0, work water temperature is 30
℃.The membrane module realizes the water outlet of reactor by pumping.
A kind of method of denitrogenation dephosphorizing coupling processor treated sewage of the present invention, includes the following steps：
(1) ammonia nitrogen and phosphorus content in sewage are measured；The sewage ammonia nitrogen content is in 30mg/L, total phosphorus content 5mg/L.
(2) enough nitrite nitrogens are added by the ammonia-nitrogen content in sewage；The ammonia-nitrogen content and nitrite nitrogen content
The ratio between be 1：1.32.
(3) pH value in buffer solution adjusting sewage is added；The buffer solution is sodium carbonate liquor, adjusts pH value and is
8.0。
(4) sewage regulated, which enters in reactor, to be handled；The reactor is Anammox-MBR reactors,
The Anammox-MBR reactors are made of Anammox bioreactors and membrane module, the Anammox biological respinses
The activated sludge of a concentration of 2g MLVSS/L is provided in device.Temperature in the Anammox bioreactors maintains 30
DEG C, pH maintains 8.0, and dissolved oxygen maintains 0mg/L, and hydraulic detention time maintains 6 hours.The membrane module is hollow fibre
Tie up membrane module.The material of film is polychloroethylene film in the membrane module, and membrane aperture is 0.2 μm, and single branch membrane module area is
20m2, pH ranging from 8.0, work water temperature is 30 DEG C, and maximum aspiration pressure is 1.0bar, permeant flux 20L/m2.Wherein
The operational mode of Anammox reactions uses complete mix flow pattern, can be thoroughly mixed Anammox bacterium and matrix simultaneously
Anaerobic environment is provided.The combination of Anammox bioreactors and membrane module is integral type.
(5) chemical agent is put into the reactor, removes phosphorus and fine suspension in waste water and emulsifies oily substance；Institute
The chemical agent stated is aluminium system dephosphorization agent, and the aluminium system dephosphorization agent is aluminum sulfate.
(6) reactor is discharged after reaching discharge standard after stirring and standing in sewage.The stirring is stirred using waterpower
Mode is mixed, mixing time is 0.5 hour, and time of repose is 0.5 hour.
Embodiment 2
Embodiment 2 and embodiment 1 difference lies in：
A kind of reactor of denitrogenation dephosphorizing coupling treatment of sewage water of the present invention, the reactor are that Anammox-MBR is anti-
Device, the Anammox-MBR reactors is answered to be made of Anammox bioreactors and membrane module, Anammox biologies
The activated sludge of a concentration of 2g MLVSS/L is provided in reactor.
Temperature in the Anammox bioreactors maintains 30 DEG C, and pH maintains 8.0, and dissolved oxygen maintains
0mg/L, hydraulic detention time maintain 6 hours.The membrane module is hollow fiber film assembly.Film in the membrane module
Material is polychloroethylene film, and membrane aperture is 0.2 μm, and single branch membrane module area is 20m2, pH ranging from 8.0, work water temperature is 30
℃。
A kind of method of denitrogenation dephosphorizing coupling processor treated sewage of the present invention, includes the following steps：
(1) ammonia nitrogen and phosphorus content in sewage are measured；The sewage ammonia nitrogen content is in 30mg/L, total phosphorus content 5mg/L.
(2) enough nitrite nitrogens are added by the ammonia-nitrogen content in sewage；The ammonia-nitrogen content and nitrite nitrogen content
The ratio between be 1：1.32.
(3) pH value in buffer solution adjusting sewage is added；The buffer solution is sodium carbonate liquor, adjusts pH value and is
8.0。
In step (4), the sewage that regulates, which enters in reactor, to be handled；The reactor is Anammox-
MBR reactors, the Anammox-MBR reactors are made of Anammox bioreactors and membrane module, described
The activated sludge of a concentration of 2g MLVSS/L is provided in Anammox bioreactors.In the Anammox bioreactors
Temperature maintain 30 DEG C, pH maintains 8.0, and dissolved oxygen maintains 0mg/L, and hydraulic detention time maintains 6 hours.Described
Membrane module is hollow fiber film assembly.The material of film is polychloroethylene film in the membrane module, and membrane aperture is 0.2 μm, single to prop up
Membrane module area is 20m2, pH ranging from 8.0, work water temperature is 30 DEG C, and maximum aspiration pressure is 1.0bar, and permeant flux is
20L/m2。
In step (5), chemical agent is put into the reactor, the phosphorus and fine suspension in removal waste water and oil emulsion
Substance；The chemical agent is aluminium system dephosphorization agent, and the aluminium system dephosphorization agent is aluminium polychloride.
In step (6), reactor is discharged after reaching discharge standard after stirring and standing in sewage.The stirring
Using hydraulic mixing mode, mixing time is 0.5 hour, and time of repose is 0.5 hour.
Embodiment 3
Embodiment 3 and embodiment 1 difference lies in：A kind of reactor of denitrogenation dephosphorizing coupling treatment of sewage water of the present invention,
The reactor is Anammox-MBR reactors, the Anammox-MBR reactors by Anammox bioreactors and
Membrane module forms, and the activated sludge of a concentration of 2g MLVSS/L is provided in the Anammox bioreactors.Described
Temperature in Anammox bioreactors maintains 30 DEG C, and pH maintains 8.0, and dissolved oxygen maintains 0mg/L, when hydraulic retention
Between maintain 6 hours.The membrane module is hollow fiber film assembly.The material of film is polyvinyl chloride in the membrane module
Film, membrane aperture are 0.2 μm, and single branch membrane module area is 20m2, pH ranging from 8.0, work water temperature is 30 DEG C, maximum aspiration pressure
For 1.0bar, permeant flux 20L/m2。
A kind of method of denitrogenation dephosphorizing coupling processor treated sewage of the present invention, includes the following steps：
(1) ammonia nitrogen and phosphorus content in sewage are measured；The sewage ammonia nitrogen content is in 30mg/L, total phosphorus content 5mg/L.
(2) enough nitrite nitrogens are added by the ammonia-nitrogen content in sewage；The ammonia-nitrogen content and nitrite nitrogen content
The ratio between be 1：1.32.
(3) pH value in buffer solution adjusting sewage is added；The buffer solution is sodium carbonate liquor, adjusts pH value and is
8.0。
In step (4), the sewage that regulates, which enters in reactor, to be handled；The reactor is Anammox-
MBR reactors, the Anammox-MBR reactors are made of Anammox bioreactors and membrane module, described
The activated sludge of a concentration of 2g MLVSS/L is provided in Anammox bioreactors.In the Anammox bioreactors
Temperature maintain 30 DEG C, pH maintains 8.0, and dissolved oxygen maintains 0mg/L, and hydraulic detention time maintains 6 hours.Described
Membrane module is hollow fiber film assembly.The material of film is polychloroethylene film in the membrane module, and membrane aperture is 0.2 μm, single to prop up
Membrane module area is 20m2, pH ranging from 8.0, work water temperature is 30 DEG C.
In step (5), chemical agent is put into the reactor, the phosphorus and fine suspension in removal waste water and oil emulsion
Substance；The chemical agent is iron system dephosphorization agent, and the iron system dephosphorization agent is ferric trichloride.
In step (6), reactor is discharged after reaching discharge standard after stirring and standing in sewage.The stirring
Using hydraulic mixing mode, mixing time is 0.5 hour, and time of repose is 0.5 hour.
Embodiment 4
Embodiment 4 and embodiment 1 difference lies in：The aluminium system dephosphorization agent is the group of aluminum sulfate and aluminium polychloride
It closes.
Experiment 1
The present embodiment 1 carries out in dischargeable capacity is 1.5L reactors, and mating setting magnetic stirring apparatus and aperture are 0.2 μm
Polyvinyl chloride film wire, add anaerobic ammonium oxidation sludge 2gVSS/L in reactor.Shading and thermal insulating material are covered with outside reactor
Material, to ensure environment that constant temperature is protected from light.Example device figure is as shown in Figure 1.
Certain university campus life sewage (ammonia-nitrogen content is about 30mg/L, phosphorus is about 3mg/L) is used in example implementation process,
By NH4+:NO2-It is 1:1.32 ratio match adds nitrite, nitrogen stripping is carried out after adjusting pH to 8, as reactor
Water inlet.
In example implementation process, the aluminium polychloride (polyaluminium in reactor of 75mg is added in 0.75L of intaking every time
Aluminum concentration is 50mg/L), it heats and temperature is maintained to stablize at 33 ± 2 DEG C, magnetic agitation 6h, stand 0.5h, use polychloroethylene film
Silk excludes supernatant hydrocone type.
The results show that the concentration of ammonia nitrogen is down to 1.33mg/L by 27.24mg/L in reactor, total nitrogen concentration is by 62.96mg/
L drops to 6.73mg/L, and the concentration of total phosphorus is down to 0.06mg/L by 2.20mg/L.
The implementation of example proves, denitrification effect of the dosing coagulant dephosphorization to Anammox in anaerobic ammonium oxidation process
There is no inhibiting effect with sludge activity, reactor can reach preferable denitrification effect, and adding for coagulant can reach preferable
Phosphor-removing effect.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be in the protection domain being defined in the patent claims.
Claims (10)
1. a kind of reactor of denitrogenation dephosphorizing coupling treatment of sewage water, it is characterised in that：The reactor reacts for Anammox-MBR
Device, the Anammox-MBR reactors are made of Anammox bioreactors and membrane module, and Anammox biologies are anti-
Answer the activated sludge that a concentration of 1-3g MLVSS/L are provided in device.
2. the reactor of denitrogenation dephosphorizing coupling treatment of sewage water according to claim 1, it is characterised in that：The Anammox
Temperature in bioreactor maintains 20-40 DEG C, and pH maintains 6-9, and dissolved oxygen maintains 0-0.5mg/L, when hydraulic retention
Between maintain 4-10 hours；The membrane module is hollow fiber film assembly, the combination side of Anammox bioreactor and membrane module
Formula is integral type.
3. the reactor of denitrogenation dephosphorizing coupling treatment of sewage water according to claim 1, it is characterised in that：In the membrane module
The material of film is polychloroethylene film, and membrane aperture is 0.2 μm, and single branch membrane module area is 20m2, pH ranging from 6-9, work water temperature
It it is 20-40 DEG C, maximum aspiration pressure is 1.0bar, permeant flux 20L/m2；The stirring uses hydraulic mixing mode, stirs
It is 0.2-0.5 hours to mix the time, and time of repose is 0.5-2 hours.
4. using the method for the reactor for treatment sewage of denitrogenation dephosphorizing coupling treatment of sewage water as described in claims 1 to 3 is any, packet
Include following steps：
(1) ammonia-nitrogen content in sewage is measured；
(2) by the ammonia-nitrogen content in sewage than adding enough nitrite nitrogens；
(3) pH value in buffer solution adjusting sewage is added；
(4) sewage regulated enters progress Anammox processing in reactor；
(5) chemical agent is put into the reactor, removes phosphorus and fine suspension in waste water and emulsifies oily substance；
(6) reactor is discharged after reaching discharge standard after stirring and standing in sewage.
5. the method for treated sewage as claimed in claim 4, it is characterised in that：In step (1), the sewage ammonia nitrogen content
In 15-50mg/L, total phosphorus content 1-5mg/L；The ammonia-nitrogen content ratio is 1：1.32.
6. the method for treated sewage as claimed in claim 4, it is characterised in that：In step (3), the buffer solution is carbonic acid
Sodium solution, adjusting pH value are 7-8.
7. the method for treated sewage as claimed in claim 4, it is characterised in that：In step (5), the coagulant is iron system
The combination of one or both of dephosphorization agent or aluminium system dephosphorization agent, the iron system dephosphorization agent are ferric trichloride, the aluminium system
Dephosphorization agent is aluminum sulfate or aluminium polychloride.
8. the method for treated sewage as claimed in claim 4, it is characterised in that：In step (4), the reactor is
Anammox-MBR reactors, the Anammox-MBR reactors are made of Anammox bioreactors and membrane module, described
Anammox bioreactors in be provided with the activated sludge of a concentration of 1-3gMLVSS/L.
9. the method for treated sewage as claimed in claim 8, it is characterised in that：In step (4), Anammox biologies
Temperature in reactor maintains 20-40 DEG C, and pH maintains 6-9, and dissolved oxygen maintains 0-0.5mg/L, hydraulic detention time dimension
It holds at 4-10 hours；The membrane module is hollow fiber film assembly.
10. the method for treated sewage as claimed in claim 9, it is characterised in that：In step (4), film in the membrane module
Material be polychloroethylene film, membrane aperture be 0.2 μm, single branch membrane module area be 20m2, pH ranging from 6-9, work water temperature be
20-40 DEG C, maximum aspiration pressure is 1.0bar, permeant flux 20L/m2；The stirring uses hydraulic mixing mode, stirring
Time is 0.2-0.5 hours, and time of repose is 0.5-2 hours.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110482792A (en) * | 2019-08-24 | 2019-11-22 | 杭州山屿源环保科技有限公司 | A kind of sewage water denitrification treatment process |
| CN111286467A (en) * | 2018-12-07 | 2020-06-16 | 姚仁达 | Anaerobic ammonia oxidizing bacteria enrichment method for adjusting feeding rate based on reaction rate |
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|---|---|---|---|---|
| CN2900509Y (en) * | 2006-06-08 | 2007-05-16 | 浙江大学 | Film anaerobic ammonia oxidizing biological reactor |
| CN103435158A (en) * | 2013-07-20 | 2013-12-11 | 北京工业大学 | Method for reinforcing phosphorus removal and membrane pollution delaying of MBR |
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2018
- 2018-05-29 CN CN201810527048.6A patent/CN108640266A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2900509Y (en) * | 2006-06-08 | 2007-05-16 | 浙江大学 | Film anaerobic ammonia oxidizing biological reactor |
| CN103435158A (en) * | 2013-07-20 | 2013-12-11 | 北京工业大学 | Method for reinforcing phosphorus removal and membrane pollution delaying of MBR |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111286467A (en) * | 2018-12-07 | 2020-06-16 | 姚仁达 | Anaerobic ammonia oxidizing bacteria enrichment method for adjusting feeding rate based on reaction rate |
| CN110482792A (en) * | 2019-08-24 | 2019-11-22 | 杭州山屿源环保科技有限公司 | A kind of sewage water denitrification treatment process |
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Application publication date: 20181012 |