CN105884028B - The apparatus and method of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization - Google Patents
The apparatus and method of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization Download PDFInfo
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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
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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)
Abstract
The apparatus and method of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization, belong to sewage treatment field.The device is mainly made of biological carbon and phosphorous removal AA/O reactor, the sedimentation basin that sewage raw water box, multistage scarce/aerobic lattice form.Sanitary sewage is entered the anaerobism section of biological carbon and phosphorous removal AA/O reactor by raw water box, enter anoxic section after the Denitrifying Phosphate Accumulating Organisms progress anaerobic phosphorus release reaction of anaerobism section and carries out denitrifying phosphorus uptake reaction again, the reaction of part short distance nitration occurs subsequently into aerobic section, anoxic section is entered back into, the anaerobic ammonia oxidizing bacteria anchored on filler utilizes NH4 +And NO2 ‑Anammox reaction occurs, then sequentially enters subsequent aerobic section and anoxic section, repeats the above process, Denitrifying Phosphate Accumulating Organisms continue to inhale phosphorus in good/anoxic section alternation procedure, final to realize the purpose for removing nitrogen, phosphorus in water removal.The invention carries out under conditions of being not required to additional carbon, low-oxygen aeration, has the characteristics that energy-saving, synchronous denitrification dephosphorizing.
Description
Technical field
The present invention relates to the method and apparatus of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization,
Belong to sewage treatment field.
Background technique
As the improvement of people's living standards, the phenomenon that water eutrophication gets worse, this is primarily due to a large amount of richnesses
The sanitary sewage and industrial wastewater discharge of the elements such as nitrogenous, phosphorus have exceeded self-purification of water energy into natural waters such as river, lakes
Power.Water quality deteriorates, and causes serious influence to the production and living of people and sustainable development.Therefore, water body richness is sought
Feedingization problem has caused extensive concern and has paid attention to.In recent years, China has put into substantial contribution and has administered the water such as Taihu Lake, Dian Chi
The eutrophication of body.However, still very difficult to be restored to the situation before pollution.Solve the problems, such as the root of water eutrophication
This method is to be discharged into natural water again after carrying out advanced nitrogen dephosphorization to sewage.Currently, how to be removed in realization efficient denitrification
Energy consumption, expense are reduced while phosphorus, are of great significance to Sewage Biological Treatment.
Short distance nitration is under aerobic condition, and for ammonia oxidation bacteria by ammonium oxidation at nitrite nitrogen, Anammox is with ammonia
Nitrogen is electron donor, and nitrite nitrogen is electron acceptor, converts two kinds of nitrogens to simultaneously the biological respinse mistake of nitrogen and nitrate nitrogen
Journey.The energy that the process generates is survived under anaerobic for anaerobic ammonia oxidizing bacteria.Anammox is the microorganism of autotrophy
Process does not need to add organic matter to maintain denitrification, and sludge yield is low.Short distance nitration and anaerobic ammonia oxidation process, are suitable for
The processing of high ammonia-nitrogen wastewater and low COD/N stain disease.But short distance nitration anaerobic ammonia oxidation process can also generate about water inlet total nitrogen
The nitrate nitrogen of concentration 10%, this not only increases water outlet total nitrogen concentration, also will cause the wasting of resources.
The principle of denitrification dephosphorization is then that Denitrifying Phosphate Accumulating Organisms are synthesized using the organic matter in raw water under anaerobic
Internal carbon source PHA, while intracorporal P elements are discharged, and under anoxic conditions, intracorporal PHA is decomposed by electron acceptor of nitrate
Excessive suction phosphorus reaction is completed, " carbon is dual-purpose " process is completed, to realize the purpose for removing nitrogen, phosphorus from water simultaneously.Anti- nitre
The it is proposed for changing dephosphorization process solves polyP bacteria and denitrifying bacterium in the existing competition contradiction due to carbon source in urban sewage deficiency.
Continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization process is by denitrification dephosphorization and short distance
Nitrifying anaerobic ammonia oxidation organically combines, and realizes the purpose of sewage synchronous denitrification dephosphorizing.Denitrifying Phosphate Accumulating Organisms utilize dirt
Organic matter in water reacts the product nitrate nitrogen generated with Anammox and carries out denitrification dephosphorization, completes " carbon is dual-purpose " mistake
Journey realizes the efficient utilization of carbon source, saves the expense for adding outer carbon source, it is therefore prevented that suppression of the organic matter to anaerobic ammonia oxidizing bacteria
System, while the product nitrate nitrogen that Anammox reaction generates being removed in anoxic section denitrifying phosphorus uptake, efficiently simultaneously using resource
Reduce effluent nitrate-nitrogen concentration.Therefore, continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization process is suitable
The low C/N in China is closed than city domestic sewage status, is advantageously implemented the synchronous advanced nitrogen dephosphorization of city domestic sewage.
Summary of the invention
The object of the invention is to remove sewage in nitrogen and phosphorus element while reduce municipal wastewater treatment plant energy consumption with
Expense, and propose the method and apparatus of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization.The dress
In setting, sanitary sewage is entered the anaerobism section of biological carbon and phosphorous removal AA/O reactor by raw water box first, and the denitrification of anaerobism section is poly-
Phosphorus bacterium carries out anaerobic phosphorus release using PHA in the organic synthesis body in sanitary sewage；Then mixed liquor enters anoxic section,
Denitrifying Phosphate Accumulating Organisms recycle the NO in nitrification liquid reflux3 -Denitrifying phosphorus uptake is carried out as electron acceptor, subsequently into aerobic section
Short distance nitration reaction in part i.e. short distance nitration bacterium occurs by part NH4 +It is converted into NO2 -, anoxic section is subsequently entered, filler is anchored at
On anaerobic ammonia oxidizing bacteria utilize NH in mixed liquor4 +And NO2 -Anammox reaction occurs and generates N2And NO3 -, then again successively
Into subsequent aerobic section and anoxic section, is replaced by short distance nitration with Anammox and realize autotrophic denitrification.It is anti-in good/anoxic
Denitrifying Phosphate Accumulating Organisms in area's alternation procedure are answered to continue to inhale phosphorus, it is final to realize the purpose for removing nitrogen, phosphorus in water removal.The method and device exist
Short distance nitration is realized under the conditions of low-oxygen aeration, good anoxic are alternate, while effectively withholding enrichment anaerobic ammonia oxidizing bacteria using filler,
Biological carbon and phosphorous removal effect is effectively increased in the case where not additional carbon.
The device of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization, it is characterised in that: including
Municipal sewage raw water box (1), biological carbon and phosphorous removal AA/O reactor (2), the sedimentation basin (3) of sequential connection；Municipal sewage raw water
Case (1) includes overflow pipe (1.1) and blow-down pipe (1.2)；Municipal sewage raw water box (1) passes through water inlet pipe (2.1) and intake pump
(2.2) it is connected with biological carbon and phosphorous removal AA/O reactor (2)；Biological carbon and phosphorous removal AA/O reactor (2) includes 9 cell compartments, is pressed
Water (flow) direction is divided into a lattice anaerobism section, two lattice anoxic sections, three lattice and replaces aerobic/anoxic section, and each cell compartment is by pressing water flow side
The generation of short flow phenomenon is prevented to staggered water flow hole connection up and down；Aerobic section (2.5) is using air compressor machine (2.10) and is aerated
Manage (2.9), aeration head (2.8) Constant hypoxia aeration；Anoxic section (2.6) is placed with the filler (2.11) of attachment anaerobic ammonia oxidizing bacteria；
Every lattice of biological carbon and phosphorous removal AA/O reactor (2) are respectively equipped with blender (2.7)；Biological carbon and phosphorous removal AA/O reactor (2)
It is connect by outlet pipe (3.1) with sedimentation basin (3)；Mud return line (3.2) and sludge reflux pump (3.3) and biological carbon and phosphorous removal
First lattice anaerobism section (2.3) of AA/O reactor (2) connects, and sedimentation basin is equipped with mud discharging pipe (3.6)；Nitrification liquid return pipe
(3.4) it is connect with nitrification liquid reflux pump (3.5) with the second lattice anoxic section (2.4) of AA/O reactor (2).
Process flow of the municipal sewage in this device are as follows: sanitary sewage enters biological carbon and phosphorous removal AA/O by raw water box first
The anaerobism section of reactor, the Denitrifying Phosphate Accumulating Organisms of anaerobism section carry out anaerobism using the organic synthesis PHA in sanitary sewage
Release phosphorus；Then mixed liquor enters anoxic section, and Denitrifying Phosphate Accumulating Organisms recycle the NO in nitrification liquid effluent recycling3 -As electron acceptor
Denitrifying phosphorus uptake is carried out to remove nitrate nitrogen in phosphorus and nitrification liquid reflux in sewage；It is short that part occurs subsequently into aerobic section
Journey nitration reaction, that is, short distance nitration bacterium is by part NH4 +It is converted into NO2 -, anoxic section is subsequently entered, the anaerobism ammonia on filler is anchored at
Oxidation bacteria utilizes the NH in mixed liquor4 +And NO2 -Anammox reaction occurs and generates N2And NO3 -, finally sequentially enter again subsequent
Aerobic section and anoxic section, biology autotrophic denitrification is alternately realized by short distance nitration and Anammox；It is anti-in good/anoxic
Denitrifying Phosphate Accumulating Organisms in area's alternation procedure are answered to continue to inhale phosphorus, it is final to realize the purpose for synchronizing nitrogen, phosphorus in water removal.
The present invention provides the methods and dress of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization
It sets, it is characterised in that including the following contents:
1) startup stage: inoculation municipal wastewater treatment plant denitrification dephosphorization sludge is in biological carbon and phosphorous removal AA/O reactor (2)
Anaerobism section (2.3) and anoxic section (2.4)；By the short distance nitration sludge seeding of municipal wastewater treatment plant it is good in AA/O reactor (2)/
The alternate aerobic section of anoxic (2.5) keeps the sludge concentration of anaerobism section (2.3), anoxic section (2.4) and aerobic section (2.5) to exist
2500-4000mg/L；It is good/scarce in biological carbon and phosphorous removal AA/O reactor (2) that the filler for being enriched with anaerobic ammonia oxidizing bacteria is invested in
The alternate anoxic section (2.6) of oxygen, filler packing ratio are 30%-35%.In this stage, municipal sewage presses water (flow) direction successively up and down
By the anaerobism section of biological carbon and phosphorous removal AA/O reactor, anoxic section and good/anoxic alternate area, anaerobic phosphorus release, good is carried out respectively
Oxygen is inhaled phosphorus and is reacted with short distance nitration Anammox, by organic matter, ammonia nitrogen and the phosphorus ligands in sewage.Work as biological carbon and phosphorous removal
Organic matter, total nitrogen and the total tp removal rate of AA/O reactor respectively reach 80%, 80%, 95% or more, i.e., it is believed that continuous flow
Municipal sewage short distance nitration Anammox coupling denitrification dephosphorization system starts successfully.
2) normal operating phase:
(1) by the sludge reflux of biological carbon and phosphorous removal AA/O reactor (2) to the first lattice anaerobism section (2.3), sludge reflux
Than for 100%-200%, to maintain the anaerobism section (2.3) of biological carbon and phosphorous removal AA/O reactor (2), anoxic section (2.4) to become reconciled
Oxygen section (2.5) sludge concentration is in 2500-3000mg/L.
(2) by the water outlet of biological carbon and phosphorous removal AA/O reactor nitrification liquid return pipe (3.4) and nitrification liquid reflux pump
(3.5) the second lattice anoxic section (2.4) of AA/O reactor (2) is flowed back into, mixed liquid recycle ratio 100%-300% works as water outlet
When middle nitrate is greater than 10mg/L, mixed liquid recycle ratio is set as 300%；Hydraulic detention time is 8-10h；Sludge age is
10-12d.Continuous operation biological carbon and phosphorous removal AA/O reactor assembly, as COD≤50mg/L, NH in secondary clarifier effluent water quality4 +-N
≤ 5mg/L, PO4 3-After-P≤0.5mg/L and stabilization maintain 15-20 days, that is, think that system has reached stable state.
(3) anaerobic phosphorus release area (2.3) volume: the area anoxic denitrification Xi Lin (2.4) volume: short distance nitration Anammox is good
Oxygen (2.5)/anoxic (2.6) alternate area volume is 1:2:6.
(4) aerobic section (2.5) Dissolved Oxygen concentration Control of aerobic/anoxic section alternate area is in 0.4-0.8mg/L, when in water outlet
NH4 +When-N concentration is greater than 5mg/L, increase aerobic section (2.4) dissolved oxygen concentration to 0.8-1.5mg/L.
The method and apparatus of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization of the present invention, and it is existing
There is technique to compare to have the advantage that
(1) organic matter in municipal sewage is sufficiently utilized by Denitrifying Phosphate Accumulating Organisms, reduces subsequent organic matter to anaerobism ammonia
The part nitrate nitrogen denitrification that Anammox reaction generates is removed while dephosphorization, completes " a carbon by the influence of oxidation bacteria
It is dual-purpose " process, realize the purpose of synchronous denitrification dephosphorizing.
(2) the aerobic short distance nitration area Dissolved Oxygen concentration Control of biological carbon and phosphorous removal AA/O reactor is in 0.4-0.8mg/L,
60% aeration quantity is saved relative to tradition nitrification, subsequent Anammox reaction does not need carbon source, and anaerobism ammonia oxygen
Change bacterium slow growth, sludge yield is low, so reducing costs in denitrification process.
(3) good/hypoxia response area alternating, is conducive to going on smoothly for short distance nitration and Anammox, effluent recycling is extremely
Anoxic section, makes in water outlet that ammonia nitrogen, nitrite nitrogen, nitrate are lower, ensure that the quality of water outlet.
(4) anaerobic ammonia oxidizing bacteria is fixed on filler, can control sludge age by spoil disposal to eluriate NOB, to be conducive to
Further maintain city domestic sewage short distance nitration.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization.
In Fig. 1: 1 is raw water water tank, and 2 be biological carbon and phosphorous removal AA/O reactor, and 3 be sedimentation basin, and 1.1 overflow for raw water water tank
Flow tube, 1.2 be raw water water tank blow-down pipe, and 2.1 be water inlet pipe, and 2.2 be intake pump, and 2.3 be anaerobism section, and 2.4 be anoxic section, 2.5
It is anoxic section for aerobic section, 2.6,2.7 be blender, and 2.8 be aeration head, and 2.9 be aeration tube, and 2.10 be air compressor machine, and 2.11 are
Filler, 3.1 be outlet pipe, and 3.2 be mud return line, and 3.3 be sludge reflux pump, and 3.4 be effluent recycling pipe, and 3.5 be to be discharged back
Stream pump, 3.6 be mud discharging pipe.
Specific embodiment:
The device of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization, it is characterised in that: including
Municipal sewage raw water box (1), biological carbon and phosphorous removal AA/O reactor (2), the sedimentation basin (3) of sequential connection；Municipal sewage raw water
Case (1) includes overflow pipe (1.1) and blow-down pipe (1.2)；Municipal sewage raw water box (1) passes through water inlet pipe (2.1) and intake pump
(2.2) it is connected with biological carbon and phosphorous removal AA/O reactor (2)；Biological carbon and phosphorous removal AA/O reactor (2) includes 9 cell compartments, is pressed
Water (flow) direction is divided into a lattice anaerobism section, two lattice anoxic sections, three lattice and replaces aerobic/anoxic section, and each cell compartment is by pressing water flow side
The generation of short flow phenomenon is prevented to staggered water flow hole connection up and down；Aerobic section (2.5) is using air compressor machine (2.10) and is aerated
Manage (2.9), aeration head (2.8) Constant hypoxia aeration；Anoxic section (2.6) is placed with the filler (2.11) of attachment anaerobic ammonia oxidizing bacteria；
Every lattice of biological carbon and phosphorous removal AA/O reactor (2) are respectively equipped with blender (2.7)；Biological carbon and phosphorous removal AA/O reactor (2)
It is connect by outlet pipe (3.1) with sedimentation basin (3)；Mud return line (3.2) and sludge reflux pump (3.3) and biological carbon and phosphorous removal
First lattice anaerobism section (2.3) of AA/O reactor (2) connects, and sedimentation basin is equipped with mud discharging pipe (3.6)；Nitrification liquid return pipe
(3.4) it is connect with nitrification liquid reflux pump (3.5) with the second lattice anoxic section (2.4) of AA/O reactor (2).
It is process object with Certain University in Beijing dependents' district septic tank wastewater, specific water quality is as follows: COD 150-300mg/L,
NH4 +For 40-85mg/L, NO3 -≤ 1.0mg/L, NO2 -≤ 0.5mg/L, phosphorus 5-10mg/L.Pilot system is as shown in Figure 1, biology
Denitrogenation dephosphorizing AA/O reactor dischargeable capacity 54L, is divided into 9 lattice, every lattice dischargeable capacity 6L, and reactor is all made of organic glass system
At.
Concrete operations are as follows:
1) startup stage: inoculation municipal wastewater treatment plant denitrification dephosphorization sludge is in biological carbon and phosphorous removal AA/O reactor (2)
Anaerobism section (2.3) and anoxic section (2.4)；By the short distance nitration sludge seeding of municipal wastewater treatment plant it is good in AA/O reactor (2)/
The alternate aerobic section of anoxic (2.5) keeps the sludge concentration of anaerobism section (2.3), anoxic section (2.4) and aerobic section (2.5) to exist
3000mg/L；The filler for being enriched with anaerobic ammonia oxidizing bacteria is invested in good/anoxic alternating in biological carbon and phosphorous removal AA/O reactor (2)
Anoxic section (2.6), filler packing ratio be 30%.In this stage, municipal sewage is successively de- down through biology by water (flow) direction
The anaerobism section of nitrogen dephosphorization AA/O reactor, anoxic section and good/anoxic alternate area, carry out respectively anaerobic phosphorus release, aerobic phosphorus absorption with it is short
Journey nitrifying anaerobic ammonia oxidation reaction, by organic matter, ammonia nitrogen and the phosphorus ligands in sewage.When biological carbon and phosphorous removal AA/O reactor
Organic matter, total nitrogen and total tp removal rate respectively reach 80%, 80%, 95% or more, i.e., it is believed that continuous flow municipal sewage short distance
Nitrifying anaerobic ammonia oxidation coupling denitrification dephosphorization system starts successfully.
2) normal operating phase:
(1) by the sludge reflux of biological carbon and phosphorous removal AA/O reactor (2) to the first lattice anaerobism section (2.3), sludge reflux
Than for 100%-200%, to maintain the anaerobism section (2.3) of biological carbon and phosphorous removal AA/O reactor (2), anoxic section (2.4) to become reconciled
Oxygen section (2.5) sludge concentration is in 2500-3000mg/L.
(2) by the water outlet of biological carbon and phosphorous removal AA/O reactor nitrification liquid return pipe (3.4) and nitrification liquid reflux pump
(3.5) the second lattice anoxic section (2.4) of AA/O reactor (2), mixed liquid recycle ratio 200%, when nitre state in water outlet are flowed back into
When nitrogen concentration is greater than 10mg/L, mixed liquid recycle ratio is set as 300%；Hydraulic detention time is 10h；Sludge age is 12d.Continuously
Biological carbon and phosphorous removal AA/O reactor assembly is run, as COD≤50mg/L, NH in secondary clarifier effluent water quality4 +- N≤5mg/L,
PO4 3-After-P≤0.5mg/L and stabilization maintain 15-20 days, that is, think that system has reached stable state.
(3) anaerobic phosphorus release area (2.3) volume: the area anoxic denitrification Xi Lin (2.4) volume: short distance nitration Anammox is good
Oxygen (2.5)/anoxic (2.6) alternate area volume is 1:2:6.
(4) aerobic section (2.5) Dissolved Oxygen concentration Control of aerobic/anoxic section alternate area is in 0.5mg/L, as NH in water outlet4 +-
When N concentration is greater than 5mg/L, increase aerobic section (2.4) dissolved oxygen concentration to 1.0mg/L.
Test result shows: after stable, municipal sewage passes through COD after biological carbon and phosphorous removal AA/O reactor anaerobism section
For 45-55mg/L, NH4 +For 24-45mg/L, NO3 -For 0.1-2.0mg/L, NO2 -For 0.1-0.5mg/L, phosphorus 10-17mg/L；
Phosphorus is 0.2-2mg/L after anoxic section；Finally COD is 40-50mg/L, NH after short distance nitration Anammox4 +For 0-
6mg/L, NO3 -For 1-5mg/L, NO2 -For 0-4mg/L, phosphorus 0-0.4mg/L；It is discharged COD, NH4 +The technical indicators such as-N, TN, TP
Stably reach country-level emission standard A.
Claims (1)
1. the method for continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization, using following device, the dress
Set municipal sewage raw water box (1), biological carbon and phosphorous removal AA/O reactor (2), sedimentation basin (3) including sequential connection；City is dirty
Water raw water box (1) includes overflow pipe (1.1) and blow-down pipe (1.2)；Municipal sewage raw water box (1) by water inlet pipe (2.1) and into
Water pump (2.2) is connected with biological carbon and phosphorous removal AA/O reactor (2)；Biological carbon and phosphorous removal AA/O reactor (2) includes 9 lattice
Room is divided into a lattice anaerobism section, two lattice anoxic sections, three lattice and replaces aerobic/anoxic section, each cell compartment is by pressing by water (flow) direction
Staggered water flow hole connects the generation to prevent short flow phenomenon above and below water (flow) direction；Aerobic section (2.5) uses air compressor machine (2.10)
It is aerated with aeration tube (2.9), aeration head (2.8) Constant hypoxia；Anoxic section (2.6) is placed with the filler of attachment anaerobic ammonia oxidizing bacteria
(2.11)；Every lattice of biological carbon and phosphorous removal AA/O reactor (2) are respectively equipped with blender (2.7)；Biological carbon and phosphorous removal AA/O is anti-
Device (2) are answered to connect by outlet pipe (3.1) with sedimentation basin (3)；Mud return line (3.2) and sludge reflux pump (3.3) and biology
First lattice anaerobism section (2.3) of denitrogenation dephosphorizing AA/O reactor (2) connects, and sedimentation basin is equipped with mud discharging pipe (3.6)；Nitrification liquid
Return pipe (3.4) and nitrification liquid reflux pump (3.5) are connect with the second lattice anoxic section (2.4) of AA/O reactor (2)；
Characterized by comprising the following steps:
1) startup stage: inoculation municipal wastewater treatment plant denitrification dephosphorization sludge detesting in biological carbon and phosphorous removal AA/O reactor (2)
Oxygen section (2.3) and anoxic section (2.4)；By the short distance nitration sludge seeding of municipal wastewater treatment plant in AA/O reactor (2) good/anoxic
Alternate aerobic section (2.5), keeps the sludge concentration of anaerobism section (2.3), anoxic section (2.4) and aerobic section (2.5) in 2500-
4000mg/L；The filler for being enriched with anaerobic ammonia oxidizing bacteria is invested in good/anoxic alternating in biological carbon and phosphorous removal AA/O reactor (2)
Anoxic section (2.6), filler packing ratio be 30%-35%；In this stage, municipal sewage is by water (flow) direction successively down through life
Anaerobism section, anoxic section and the good/anoxic alternate area of object denitrogenation dephosphorizing AA/O reactor, carry out anaerobic phosphorus release, aerobic phosphorus absorption respectively
It is reacted with short distance nitration Anammox, by organic matter, ammonia nitrogen and the phosphorus ligands in sewage；When biological carbon and phosphorous removal AA/O reacts
Organic matter, total nitrogen and the total tp removal rate of device respectively reach 80%, 80%, 95% or more, i.e., it is believed that continuous flow municipal sewage
Short distance nitration Anammox coupling denitrification dephosphorization system starts successfully；
2) normal operating phase:
By the sludge reflux of biological carbon and phosphorous removal AA/O reactor (2) to the first lattice anaerobism section (2.3), return sludge ratio is
100%-200%, to maintain the anaerobism section (2.3), anoxic section (2.4) and aerobic section of biological carbon and phosphorous removal AA/O reactor (2)
(2.5) sludge concentration is in 2500-3000mg/L；
The water outlet of biological carbon and phosphorous removal AA/O reactor nitrification liquid return pipe (3.4) and nitrification liquid reflux pump (3.5) are flowed back
To the second lattice anoxic section (2.4) of AA/O reactor (2), mixed liquid recycle ratio 100%-300%, when nitrate nitrogen is dense in water outlet
When degree is greater than 10mg/L, mixed liquid recycle ratio is set as 300%；Hydraulic detention time is 8-10h；Sludge age is 10-12d；Even
Reforwarding row biological carbon and phosphorous removal AA/O reactor, as COD≤50mg/L, NH in secondary clarifier effluent water quality4 +- N≤5mg/L, PO4 3--
After P≤0.5mg/L and stabilization maintain 15-20 days, that is, think that system has reached stable state；
Anaerobic phosphorus release area (2.3) volume: the area anoxic denitrification Xi Lin (2.4) volume: short distance nitration Anammox is aerobic
(2.5)/anoxic (2.6) alternate area volume is 1:2:6；
Aerobic section (2.5) Dissolved Oxygen concentration Control of aerobic/anoxic section alternate area is in 0.4-0.8mg/L, as NH in water outlet4 +- N is dense
When degree is greater than 5mg/L, increase aerobic section (2.4) dissolved oxygen concentration to 0.8-1.5mg/L.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440562.7A CN105884028B (en) | 2016-06-17 | 2016-06-17 | The apparatus and method of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440562.7A CN105884028B (en) | 2016-06-17 | 2016-06-17 | The apparatus and method of continuous flow municipal sewage short distance nitration Anammox coupling denitrification dephosphorization |
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| Publication Number | Publication Date |
|---|---|
| CN105884028A CN105884028A (en) | 2016-08-24 |
| CN105884028B true CN105884028B (en) | 2019-01-11 |
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| CN107032489A (en) * | 2017-04-24 | 2017-08-11 | 北京工业大学 | Realize the method that the short distance Anammoxs of continuous stream AOA half couple endogenous denitrification |
| CN106938863B (en) * | 2017-04-24 | 2020-06-16 | 北京工业大学 | Device and method for realizing deep nitrogen and phosphorus removal of municipal sewage by sludge double-reflux AOA (argon oxygen decarburization) |
| CN107253762B (en) * | 2017-07-05 | 2020-08-28 | 扬州大学 | Rapid starting method for coupling short-cut denitrification dephosphorization with anaerobic ammonia oxidation |
| CN108341489A (en) * | 2018-03-16 | 2018-07-31 | 杭州师范大学 | Integrated carbon and nitrogen removal dephosphorizing reactor |
| CN108483660A (en) * | 2018-06-15 | 2018-09-04 | 王宝贞 | Fixed biofilm ecological treatment system |
| CN108862588A (en) * | 2018-07-19 | 2018-11-23 | 北京工业大学 | Continuous flow short distance nitration parallel connection integral anaerobic ammoxidation denitrification dephosphorization SBBR technique |
| CN110002691A (en) * | 2019-05-10 | 2019-07-12 | 北京工业大学 | UCT, which is improved, by intermittent aerating couples the apparatus and method that autotrophic denitrification realizes the dephosphorization of low carbon source urban sewage advanced nitrogen |
| CN110734136A (en) * | 2019-08-28 | 2020-01-31 | 天津大学 | Denitrifying phosphorus removal-nitrosation-based completely autotrophic nitrogen removal style baffled reaction device |
| CN111592104A (en) * | 2020-05-26 | 2020-08-28 | 昆明冶金研究院有限公司 | Short-range efficient biological treatment device and treatment method for kitchen waste digestive juice |
| CN113023888B (en) * | 2021-03-12 | 2022-06-07 | 北京工业大学 | Device and method for synchronously treating domestic sewage and nitrate wastewater by using denitrification dephosphorization coupled with shortcut nitrification anaerobic ammonia oxidation |
| CN115028265A (en) * | 2022-06-23 | 2022-09-09 | 北京工业大学 | Device and method for treating urban sewage by continuous flow sectional water inlet coupling pretreatment and fermented sludge sectional backflow reinforcement PD/A |
| CN115403143A (en) * | 2022-08-08 | 2022-11-29 | 江苏裕隆环保有限公司 | Low-carbon treatment system and process for realizing deep denitrification of high-ammonia-nitrogen wastewater |
| CN115477392A (en) * | 2022-10-28 | 2022-12-16 | 中絮生物技术(武汉)有限公司 | Three-dimensional laminated biochemical treatment device and process method based on simultaneous nitrification and denitrification |
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