CN110078213A - The apparatus and method of SBR/ anaerobic baffled reactor strengthened anaerobic ammoxidation Treating Municipal Sewage stable operation - Google Patents
The apparatus and method of SBR/ anaerobic baffled reactor strengthened anaerobic ammoxidation Treating Municipal Sewage stable operation Download PDFInfo
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- CN110078213A CN110078213A CN201910382857.7A CN201910382857A CN110078213A CN 110078213 A CN110078213 A CN 110078213A CN 201910382857 A CN201910382857 A CN 201910382857A CN 110078213 A CN110078213 A CN 110078213A
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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
- 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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
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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
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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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
- C02F2209/14—NH3-N
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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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- 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
- C02F2209/22—O2
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
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Abstract
The apparatus and method of SBR/ anaerobic baffled reactor strengthened anaerobic ammoxidation Treating Municipal Sewage stable operation, belong to technical field of biological sewage treatment.Short distance nitration/Anammox technology because its is energy saving, save money the advantages that due to be concerned, how to play its maximum effect is also research hotspot, it is difficult to maintain the balance of the two in integral process, COD present in raw water and the dissolved oxygen of aeration process etc. are more than that certain limit can all have adverse effect on anaerobic ammonia oxidizing bacteria.The present invention passes through real-time control actuating section short-cut nitrification and denitrification reactor, anaerobic environment is provided by application anaerobic baffled reactor for anaerobic ammonia oxidizing bacteria, ferric trichloride is added into reactor at the same time, the characteristics of sewage is in up-flow in joint anaerobic baffled reactor, promote the quick formation of granule sludge, effectively withholding anaerobic ammonia oxidizing bacteria.The present invention has many advantages, such as that low energy consumption, operation is easy to operate, treatment effeciency is high.
Description
Technical field
The present invention relates to the dresses of SBR/ anaerobic baffled reactor strengthened anaerobic ammoxidation Treating Municipal Sewage stable operation
It sets and method, belongs to technical field of biological sewage treatment.
Background technique
Water environment is closely bound up with people's lives, and how to protect water environment can be described as eternal topic, and for
Sewage treatment, general biological treatment have preferable removal ability to COD, often nitrogen, phosphorus not up to standard in water outlet
Etc. the substance for easily causing water eutrophication, traditional denitrogenation mode is by ammonia nitrogen exhaustive oxidation be nitrate nitrogen after, then pass through
Denitrification removes nitrate nitrogen, and aeration quantity needed for nitrifying process is larger, and denitrification process is often limited because of carbon source deficiency, is thrown
Add additional carbon not only increased operation expense, sludge yield but will be increased, or even will cause secondary pollution.
Short distance nitration technology, which refers to, is controlled nitrifying process in the nitrite nitrogen stage without further by certain means
Oxidation, generated nitrite nitrogen both can be used as the substrate of Anammox reaction.Denitrification can also be directly carried out, this is not
Aeration quantity is only saved, also saves a big chunk carbon source accordingly.Anammox technology is to pass through anaerobic ammonia oxidizing bacteria
It is directly reacted using ammonia nitrogen with nitrite nitrogen and generates nitrogen, not only eliminated the oxidation process of ammonia nitrogen, also eliminate nitrite nitrogen
It is oxidized to the process of nitrate nitrogen, it is clear that Anammox reaction is a kind of energy-efficient denitrogenation mode.
Short distance nitration process can provide substrate for anaerobic ammonium oxidation process, therefore the coupling of the two is a research heat
Point, but be difficult to maintain the balance of the two in integral process, not only dissolved oxygen required for short distance nitration process is in certain item
Inhibiting effect can be generated under part to anaerobic ammonia oxidizing bacteria, the organic matter in water inlet is more than certain content also can be to anaerobic ammonia oxidizing bacteria
It has adverse effect on, and anaerobic ammonia oxidizing bacteria itself is autotrophic bacterium, the speed of growth is slower, it is easy to be affected and be in bad
Gesture status can not play the advantage of short distance nitration Anammox at all in this way.
Short distance nitration process and anaerobic ammonium oxidation process are separated in short distance nitration Anammox sectional type process, two
Ammonia oxidation bacteria and anaerobic ammonia oxidizing bacteria can be made to be in respectively most suitable growing environment in a reactor by adjustment parameter
Growth, both improves treatment effeciency in this way, also facilitates and be quickly found out source when something goes wrong in effluent quality and handled.
Summary of the invention
Aiming at the problem that anaerobic ammonia oxidizing bacteria, which is easy, to be influenced by factors such as dissolved oxygens and is difficult to be enriched with withholding, the present invention
Absolute anaerobic environment is provided for anaerobic ammonia oxidizing bacteria by application anaerobic baffled reactor, at the same time into reactor
Ferric trichloride is added, combines the characteristics of sewage is in up-flow in anaerobic baffled reactor, promotes the quick formation of granule sludge,
Effectively withhold anaerobic ammonia oxidizing bacteria.
The device of SBR/ anaerobic baffled reactor strengthened anaerobic ammoxidation Treating Municipal Sewage stable operation, feature exist
In the device is by inlet tank (1), part short-cut nitrification and denitrification reactor (3), intermediate water tank (4), anaerobic ammonia oxidation reactor
(16), water tank (18) forms；Inlet tank (1) is by water inlet peristaltic pump (2) into part short-cut nitrification and denitrification reactor (3)
Water inlet, part short-cut nitrification and denitrification reactor (3) are drained by electric draining valve (9) to intermediate water tank (4), intermediate water tank
(4) it is intake by intermediate peristaltic pump (13) to anaerobic ammonia oxidation reactor (16), anaerobic ammonia oxidation reactor (16) is to water tank
(18) it drains, water is separated in the middle part of water tank (18) by reflux peristaltic pump (19) and is back to part short-cut nitrification and denitrification reactor
(3)。
The part short-cut nitrification and denitrification reactor (3) is equipped with blender (6), pH sensor (7), DO sensor (8)
With pH/DO analyzer (5), aeration pump (10), flowmeter (11), aeration plate (12), wherein intake pump (2), blender (6) expose
Air pump (10), electric draining valve (9) control start and stop by time switch；The anaerobic ammonia oxidation reactor (16), if
There are gas collecting tube (14), baffle plate (17).
Using the method for described device, which comprises the following steps:
1) starting of part short-cut nitrification and denitrification reactor (3)
I) complete nitrification sludge is inoculated in part short-cut nitrification and denitrification reactor (3) first；
Ii) startup stage uses water distribution, it is desirable that ammonia nitrogen concentration is between 100-150mg/L, part short-cut nitrification and denitrification
Reactor (3) is run in a manner of A/O, firstly, anoxia stirring 60min after water inlet 10min, denitrification removed what a upper period generated
Nitrate nitrogen, nitrite nitrogen and by anaerobic ammonia oxidation reactor (16) be back to Lai nitrate nitrogen, open after anoxic phases
Aeration controls DO between 1-2mg/L, is aerated 240min, real-time monitoring pH value, and ammonia valley point occurs then stopping being aerated, not go out such as
Existing ammonia valley point, then extend aeration time and continue to monitor；
Iii after) determining aeration time according to ammonia valley point, in aeration phase every 30min sampling, measure ammonia nitrogen in sample,
Nitrite nitrogen content determines that concentration proportion of the two in terms of mg/L is the aeration time of 1:1.32, and this time is then stable operation
The aeration time of stage part short-cut nitrification and denitrification reactor (3) after aeration, closes blender, and quiet heavy 30min makes mud
Water separation opens electric draining valve (9) and drains 5min, and draining is than being 50%；
Iv) part short-cut nitrification and denitrification reactor (3) is discharged the NH in terms of mg/L4 +:NO2 -N concentration continues 10 days or more
1:1-1:1.32 is maintained, then proves that part short-cut nitrification and denitrification reactor (3) starts successfully；
2) starting of anaerobic ammonia oxidation reactor (16)
I) Anammox floc sludge is inoculated in anaerobic ammonia oxidation reactor (16) first；
Ii) startup stage anaerobic ammonia oxidation reactor (16) water inlet is water distribution, ammonia nitrogen concentration 100-150mg/L, nitrous state
Nitrogen concentration 132-198mg/L need to maintain concentration proportion of the two in terms of mg/L in 1:1-1:1.32；
Iii anaerobic state) is kept in anaerobic ammonia oxidation reactor (16), the gas for reacting generation is arranged by gas collecting tube (14)
Out, water (flow) direction is from bottom to top, to add flocculant trichlorine into anaerobic ammonia oxidation reactor (16) by manhole (15) daily
Change iron, maintenance anaerobic ammonia oxidation reactor (16) interior ferric trichloride concentration is 200-300 μ g/L；
Iv) the granule sludge accounting when anaerobic ammonia oxidation reactor (16) interior partial size greater than 500 μm is greater than 60%, and continues
When nitrogen removal rate is greater than 80% within 10 days or more, it was demonstrated that anaerobic ammonia oxidation reactor (16) starts successfully, into next operation
Stage；
3) part short-cut nitrification and denitrification reactor (3) and anaerobic ammonia oxidation reactor (16) are connected
I) this stage water inlet is municipal sewage, determines it according to part short-cut nitrification and denitrification reactor (13) startup stage
Total run time includes water inlet 10min, anoxia stirring 60min, aeration, and aeration time is part short-cut nitrification and denitrification reactor
(13) aeration time, precipitating 30min, row when the concentration proportion of startup stage ammonia nitrogen, nitrite nitrogen in terms of mg/L is 1:1.32
Water 5min, if for 24 hours in can run multiple complete cycles, do not set it is idle, will be more if there is over head time and less than a period
The remaining time divide equally after as the standby time after each period, determine therefrom that the periodicity run daily, according to draining than 50%, often
The periodicity and part short-cut nitrification and denitrification reactor (13) effective volume of its operation, determine daily displacement, according to row
Water and anaerobic ammonia oxidation reactor (16) effective volume design the pump speed of intermediate peristaltic pump (13), keep Anammox reaction
Device (16) is intake for 24 hours, while being drained to water tank (18), and the pump speed of adjustment reflux peristaltic pump (19) reacts Anammox
The water outlet containing nitrate nitrogen of device (16) starts preceding 5min in part short-cut nitrification and denitrification reactor (3) each cycle, every with it
The inflow of period half flows back into inlet tank (1)；
Ii) when water outlet nitrogen removal rate, which continues 15 days or more, is greater than 90%, it was demonstrated that SBR/ anaerobic baffled reactor is strong
The device for changing the stable operation of Anammox Treating Municipal Sewage starts successfully.
4) stable operation stage
I) water inlet is municipal sewage, and part short-cut nitrification and denitrification reactor (3) is run in a manner of A/O, firstly, water inlet
Anoxia stirring 60min after 10min, denitrification removed the nitrate nitrogen of upper period generation, nitrite nitrogen and by Anammoxs
Reactor (16) is back to the nitrate nitrogen come, and aeration is opened after anoxic phases, and aeration time is the anti-nitre of part short distance nitration
Aeration time when change reactor (13) startup stage ammonia nitrogen, concentration proportion of the nitrite nitrogen in terms of mg/L are 1:1.32, control
DO closes blender between 1-2mg/L after aeration, quiet heavy 30min makes mud-water separation, opens electric draining valve (9) row
Water 5min, draining is than being 50%；
Ii it) is adjusted according to part short-cut nitrification and denitrification reactor (3) and anaerobic ammonia oxidation reactor (16) serial phases
Pump speed intake from intermediate water tank (4) by intermediate peristaltic pump (13) to anaerobic ammonia oxidation reactor (16), while to water tank
(18) it drains, the water outlet containing nitrate nitrogen of anaerobic ammonia oxidation reactor (16) is in part short-cut nitrification and denitrification reactor (3)
Each cycle starts preceding 5min, is flowed back into inlet tank (1) with the inflow of its each cycle half.
Detailed description of the invention
Fig. 1 is the device of SBR/ anaerobic baffled reactor strengthened anaerobic ammoxidation Treating Municipal Sewage stable operation
In Fig. 1: 1-- inlet tank；2-- water inlet peristaltic pump；The part 3-- short-cut nitrification and denitrification reactor；Water among 4--
Case；5--pH/DO analyzer；6-- blender；7--pH sensor；8--DO sensor；9-- electric draining valve；10-- aeration pump；
11-- flowmeter；12-- aeration plate；Peristaltic pump among 13--；14-- gas collecting tube；15-- manhole；The reaction of 16-- Anammox
Device；17-- baffle plate；18-- water tank；19-- reflux peristaltic pump.
Specific embodiment
1) starting of part short-cut nitrification and denitrification reactor (3)
I) complete nitrification sludge is inoculated in part short-cut nitrification and denitrification reactor (3) first；
Ii) startup stage uses water distribution, it is desirable that ammonia nitrogen concentration is between 100-150mg/L, part short-cut nitrification and denitrification
Reactor (3) is run in a manner of A/O, firstly, anoxia stirring 60min after water inlet 10min, denitrification removed what a upper period generated
Nitrate nitrogen, nitrite nitrogen and by anaerobic ammonia oxidation reactor (16) be back to Lai nitrate nitrogen, open after anoxic phases
Aeration controls DO between 1-2mg/L, is aerated 240min, real-time monitoring pH value, and ammonia valley point occurs then stopping being aerated, not go out such as
Existing ammonia valley point, then extend aeration time and continue to monitor；
Iii after) determining aeration time according to ammonia valley point, in aeration phase every 30min sampling, measure ammonia nitrogen in sample,
Nitrite nitrogen content determines that concentration proportion of the two in terms of mg/L is the aeration time of 1:1.32, and this time is then stable operation
The aeration time of stage part short-cut nitrification and denitrification reactor (3) after aeration, closes blender, and quiet heavy 30min makes mud
Water separation opens electric draining valve (9) and drains 5min, and draining is than being 50%；
Iv) part short-cut nitrification and denitrification reactor (3) is discharged the NH in terms of mg/L4 +:NO2 -N concentration continues 10 days or more
1:1-1:1.32 is maintained, then proves that part short-cut nitrification and denitrification reactor (3) starts successfully；
2) starting of anaerobic ammonia oxidation reactor (16)
I) Anammox floc sludge is inoculated in anaerobic ammonia oxidation reactor (16) first；
Ii) startup stage anaerobic ammonia oxidation reactor (16) water inlet is water distribution, ammonia nitrogen concentration 100-150mg/L, nitrous state
Nitrogen concentration 132-198mg/L need to maintain concentration proportion of the two in terms of mg/L in 1:1-1:1.32；
Iii anaerobic state) is kept in anaerobic ammonia oxidation reactor (16), the gas for reacting generation is arranged by gas collecting tube (14)
Out, water (flow) direction is from bottom to top, to add flocculant trichlorine into anaerobic ammonia oxidation reactor (16) by manhole (15) daily
Change iron, maintenance anaerobic ammonia oxidation reactor (16) interior ferric trichloride concentration is 200-300 μ g/L；
Iv) the granule sludge accounting when anaerobic ammonia oxidation reactor (16) interior partial size greater than 500 μm is greater than 60%, and continues
When nitrogen removal rate is greater than 80% within 10 days or more, it was demonstrated that anaerobic ammonia oxidation reactor (16) starts successfully, into next operation
Stage；
3) part short-cut nitrification and denitrification reactor (3) and anaerobic ammonia oxidation reactor (16) are connected
I) this stage water inlet is municipal sewage, determines it according to part short-cut nitrification and denitrification reactor (13) startup stage
Total run time includes water inlet 10min, anoxia stirring 60min, aeration, and aeration time is part short-cut nitrification and denitrification reactor
(13) aeration time, precipitating 30min, row when the concentration proportion of startup stage ammonia nitrogen, nitrite nitrogen in terms of mg/L is 1:1.32
Water 5min, if for 24 hours in can run multiple complete cycles, do not set it is idle, will be more if there is over head time and less than a period
The remaining time divide equally after as the standby time after each period, determine therefrom that the periodicity run daily, according to draining than 50%, often
The periodicity and part short-cut nitrification and denitrification reactor (13) effective volume of its operation, determine daily displacement, according to row
Water and anaerobic ammonia oxidation reactor (16) effective volume design the pump speed of intermediate peristaltic pump (13), keep Anammox reaction
Device (16) is intake for 24 hours, while being drained to water tank (18), and the pump speed of adjustment reflux peristaltic pump (19) reacts Anammox
The water outlet containing nitrate nitrogen of device (16) starts preceding 5min in part short-cut nitrification and denitrification reactor (3) each cycle, every with it
The inflow of period half flows back into inlet tank (1)；
Ii) when water outlet nitrogen removal rate, which continues 15 days or more, is greater than 90%, it was demonstrated that SBR/ anaerobic baffled reactor is strong
The device for changing the stable operation of Anammox Treating Municipal Sewage starts successfully.
4) stable operation stage
I) water inlet is municipal sewage, and part short-cut nitrification and denitrification reactor (3) is run in a manner of A/O, firstly, water inlet
Anoxia stirring 60min after 10min, denitrification removed the nitrate nitrogen of upper period generation, nitrite nitrogen and by Anammoxs
Reactor (16) is back to the nitrate nitrogen come, and aeration is opened after anoxic phases, and aeration time is the anti-nitre of part short distance nitration
Aeration time when change reactor (13) startup stage ammonia nitrogen, concentration proportion of the nitrite nitrogen in terms of mg/L are 1:1.32, control
DO closes blender between 1-2mg/L after aeration, quiet heavy 30min makes mud-water separation, opens electric draining valve (9) row
Water 5min, draining is than being 50%；
Ii it) is adjusted according to part short-cut nitrification and denitrification reactor (3) and anaerobic ammonia oxidation reactor (16) serial phases
Pump speed intake from intermediate water tank (4) by intermediate peristaltic pump (13) to anaerobic ammonia oxidation reactor (16), while to water tank
(18) it drains, the water outlet containing nitrate nitrogen of anaerobic ammonia oxidation reactor (16) is in part short-cut nitrification and denitrification reactor (3)
Each cycle starts preceding 5min, is flowed back into inlet tank (1) with the inflow of its each cycle half.
Claims (2)
- The device of 1.SBR/ anaerobic baffled reactor strengthened anaerobic ammoxidation Treating Municipal Sewage stable operation, feature exist In the device includes inlet tank (1), part short-cut nitrification and denitrification reactor (3), intermediate water tank (4), Anammox reaction Device (16), water tank (18)；Inlet tank (1) by water inlet peristaltic pump (2) into part short-cut nitrification and denitrification reactor (3) into Water, part short-cut nitrification and denitrification reactor (3) are drained by electric draining valve (9) to intermediate water tank (4), intermediate water tank (4) It is intake by intermediate peristaltic pump (13) to anaerobic ammonia oxidation reactor (16), anaerobic ammonia oxidation reactor (16) is to water tank (18) Draining, water tank (18) middle part separate water and are back to part short-cut nitrification and denitrification reactor (3) by reflux peristaltic pump (19)；The part short-cut nitrification and denitrification reactor (3) is equipped with blender (6), pH sensor (7), DO sensor (8) and pH/ DO analyzer (5), aeration pump (10), flowmeter (11), aeration plate (12), wherein intake pump (2), blender (6), aeration pump (10), electric draining valve (9) controls start and stop by time switch；The anaerobic ammonia oxidation reactor (16) is equipped with collection Tracheae (14) and baffle plate (17).
- 2. the method for answering device as described in claim 1, which comprises the following steps:1) starting of part short-cut nitrification and denitrification reactor (3)I) complete nitrification sludge is inoculated in part short-cut nitrification and denitrification reactor (3) first；Ii) startup stage uses water distribution, it is desirable that ammonia nitrogen concentration is between 100-150mg/L, the reaction of part short-cut nitrification and denitrification Device (3) is run in a manner of A/O, firstly, anoxia stirring 60min after water inlet 10min, denitrification remove the nitre state generated in a upper period Nitrogen, nitrite nitrogen and by anaerobic ammonia oxidation reactor (16) be back to Lai nitrate nitrogen, aeration is opened after anoxic phases, DO is controlled between 1-2mg/L, is aerated 240min, real-time monitoring pH value, ammonia valley point occurs then stopping being aerated, and does not occur ammonia paddy such as Point then extends aeration time and continues to monitor；Iii after) determining aeration time according to ammonia valley point, in the every 30min sampling of aeration phase, ammonia nitrogen, the nitrous in sample are measured State nitrogen content determines that concentration proportion of the two in terms of mg/L is the aeration time of 1:1.32, and this time is then stable operation stage The aeration time of part short-cut nitrification and denitrification reactor (3) after aeration, closes blender, and quiet heavy 30min makes muddy water point From unlatching electric draining valve (9) drains 5min, and draining is than being 50%；Iv) part short-cut nitrification and denitrification reactor (3) is discharged the NH in terms of mg/L4 +:NO2 -N concentration continues 10 days or more to maintain In 1:1-1:1.32, then prove that part short-cut nitrification and denitrification reactor (3) starts successfully；2) starting of anaerobic ammonia oxidation reactor (16)I) Anammox floc sludge is inoculated in anaerobic ammonia oxidation reactor (16) first；Ii) startup stage anaerobic ammonia oxidation reactor (16) water inlet is water distribution, and ammonia nitrogen concentration 100-150mg/L, nitrite nitrogen is dense 132-198mg/L is spent, concentration proportion of the two in terms of mg/L need to be maintained in 1:1-1:1.32；Iii anaerobic state) is kept in anaerobic ammonia oxidation reactor (16), the gas for reacting generation is discharged by gas collecting tube (14), Water (flow) direction is from bottom to top, to add flocculant tri-chlorination into anaerobic ammonia oxidation reactor (16) by manhole (15) daily Iron, maintenance anaerobic ammonia oxidation reactor (16) interior ferric trichloride concentration are 200-300 μ g/L；Iv) the granule sludge accounting when anaerobic ammonia oxidation reactor (16) interior partial size greater than 500 μm is greater than 60%, and continues 10 days When the above nitrogen removal rate is greater than 80%, it was demonstrated that anaerobic ammonia oxidation reactor (16) starts successfully, into next operation phase；3) part short-cut nitrification and denitrification reactor (3) and anaerobic ammonia oxidation reactor (16) are connectedI) water inlet of this stage is municipal sewage, determines its total fortune according to part short-cut nitrification and denitrification reactor (13) startup stage The row time includes water inlet 10min, anoxia stirring 60min, aeration, precipitating 30min and draining 5min, and aeration time is part short distance Nitration denitrification reactor (13) startup stage ammonia nitrogen, concentration proportion of the nitrite nitrogen in terms of mg/L be 1:1.32 when aeration when Between；If multiple complete cycles can be run in for 24 hours, do not set it is idle, if there is over head time and less than a period, when will be extra Between divide equally after as the standby time after each period, determine therefrom that the periodicity run daily, transported according to draining than 50%, daily Capable periodicity and part short-cut nitrification and denitrification reactor (13) effective volume, determines daily displacement, according to displacement And anaerobic ammonia oxidation reactor (16) effective volume designs the pump speed of intermediate peristaltic pump (13), keeps anaerobic ammonia oxidation reactor (16) it intakes, while being drained to water tank (18) for 24 hours, the pump speed of adjustment reflux peristaltic pump (19) makes anaerobic ammonia oxidation reactor (16) the water outlet containing nitrate nitrogen starts preceding 5min in part short-cut nitrification and denitrification reactor (3) each cycle, weekly with it The inflow of phase half flows back into inlet tank (1)；Ii) when water outlet nitrogen removal rate, which continues 15 days or more, is greater than 90%, it was demonstrated that the reinforcing of SBR/ anaerobic baffled reactor is detested The device of anaerobic ammonium oxidation Treating Municipal Sewage stable operation starts successfully；4) stable operation stageI) water inlet is municipal sewage, and part short-cut nitrification and denitrification reactor (3) is run in a manner of A/O, firstly, water inlet 10min Anoxia stirring 60min afterwards, denitrification removed the nitrate nitrogen of upper period generation, nitrite nitrogen and by anaerobic ammonia oxidation reactors (16) it is back to the nitrate nitrogen come, aeration is opened after anoxic phases, aeration time is the reaction of part short-cut nitrification and denitrification Aeration time when device (13) startup stage ammonia nitrogen, concentration proportion of the nitrite nitrogen in terms of mg/L are 1:1.32 controls DO in 1- Between 2mg/L, blender is closed after aeration, quiet heavy 30min makes mud-water separation, and it opens electric draining valve (9) and drains 5min, Draining is than being 50%；Ii) according to the pump of part short-cut nitrification and denitrification reactor (3) and the adjustment of anaerobic ammonia oxidation reactor (16) serial phases Speed is intake by intermediate peristaltic pump (13) to anaerobic ammonia oxidation reactor (16) from intermediate water tank (4), while to water tank (18) Draining, the water outlet containing nitrate nitrogen of anaerobic ammonia oxidation reactor (16) part short-cut nitrification and denitrification reactor (3) weekly Phase starts preceding 5min, is flowed back into inlet tank (1) with the inflow of its each cycle half.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697892A (en) * | 2019-09-12 | 2020-01-17 | 广西博世科环保科技股份有限公司 | Wastewater treatment device and method for realizing shortcut denitrification and anaerobic ammonia oxidation by anaerobic baffle reactor |
| CN111320269A (en) * | 2020-03-20 | 2020-06-23 | 中国科学院生态环境研究中心 | Method for denitrifying ammonia-containing wastewater |
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| US11746029B2 (en) * | 2019-08-29 | 2023-09-05 | Nanjing University | Method for starting single-stage system for nitrogen removal coupling partial denitrification and anammox |
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