CN107162196A - Short distance nitration Anammox coupling denitrification handles the method and apparatus of city domestic sewage - Google Patents
Short distance nitration Anammox coupling denitrification handles the method and apparatus of city domestic sewage Download PDFInfo
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- CN107162196A CN107162196A CN201710554968.2A CN201710554968A CN107162196A CN 107162196 A CN107162196 A CN 107162196A CN 201710554968 A CN201710554968 A CN 201710554968A CN 107162196 A CN107162196 A CN 107162196A
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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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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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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Abstract
Short distance nitration Anammox coupling denitrification handles the method and apparatus of city domestic sewage, belongs to field of biological sewage treatment.The device major part is a short distance nitration Anammox coupling denitrification sbr reactor device.First stage is high ammonia nitrogen strain, ammonia nitrogen is added by city domestic sewage and is made into high ammonia nitrogen low carbon-nitrogen ratio sewage into sbr reactor device, mainly realize that short distance nitration Anammox is acted on by low-oxygen aeration, and the dense reinforcing of high ammonia nitrogen main function bacterium --- ammoxidation and anaerobic ammonia oxidizing bacteria, it is final to realize higher total nitrogen elimination capacity.Second stage is transition stage, reduces influent ammonium concentration, low-oxygen aeration.Phase III is the processing city domestic sewage stage, and anaerobism stirring, low-oxygen aeration, anoxia stirring are carried out respectively, sewage total nitrogen and COD removal is realized.As shown by data, the Integral sludge strengthened through high ammonia nitrogen is more more stable than the Integral sludge denitrification effect of directly processing city domestic sewage, and aeration phase is low-oxygen aeration, energy-saving.
Description
Technical field
The present invention relates to the short distance nitration Anammox coupling denitrification processing city life after a kind of reinforcing through high ammonia nitrogen
The method and apparatus of sewage living, belongs to technical field of biological sewage treatment.
Background technology
China human mortality is numerous, and the demand to water purification is increasing.Industry is developed rapidly so that water eutrophication with science and technology
Change is increasingly serious, and the ammonia nitrogen beyond normal level included in city domestic sewage can speed up body eutrophication and show
As.Therefore the removal of nitrogen is each municipal sewage plant subject matter to be solved.Activated sludge process be current application compared with
Extensive treatment technology.Traditional denitrogenation method such as nitration denitrification often faces the problem of carbon source is not enough, and energy consumption is higher.Closely
The discovery of some novel active sludges brings new opportunities to the energy-saving of sewage disposal over year.
The integral process of short distance nitration Anammox coupling is at present in high ammonia-nitrogen wastewater such as percolate application
Comparative maturity, the rare application in terms of city domestic sewage processing, reason is major function bacterium ammonia oxidation bacteria (AOB) and anaerobism
Ammonia oxidation bacteria (AnAOB) growth is slower, causes system fragility unstable, and nitrite-oxidizing bacteria (NOB) may be competitive
Increase and cause system crash so almost not applying.It has been generally acknowledged that influence AOB and NOB principal element is dissolved oxygen concentration
With free ammonia (FA) concentration.Understand that AOB is eager to excel to the affinity of dissolved oxygen than NOB to the affinity of dissolved oxygen by Monod equation,
When i.e. dissolved oxygen is restricted, AOB tolerance is stronger than NOB, so can be realized by lasting low dissolved oxygen aeration in system
NOB elutriation.Although different documents are inconsistent to AOB and NOB inhibition concentration report on FA, what was certain was that NOB
It is more more sensitive to the FA of middle and high concentration than AOB, it is possible to by the long-term suppression system of FA concentration in high ammonia nitrogen raising system
NOB.In addition, Anammox reaction can generate a certain proportion of nitrate, cause water outlet total nitrogen not up to standard.If therefore can solve
Above-mentioned two problems, then can reach relatively good outlet effect energy-saving while.
The content of the invention
The present invention is directed to two above subject matter, it is proposed that scheme.Wherein the first stage passes through high ammonia nitrogen and low dissolving
Oxygen aeration reinforcing AOB and AnAOB, reduction NOB solve above-mentioned first problem, and the phase III passes through carbon in the section reinforcing of preposition anaerobism
The absorption in source, rearmounted anoxic section strengthened anaerobic ammoxidation and denitrification solve above-mentioned Second Problem.
The purpose of the present invention is solved by following scheme：A kind of short distance nitration anaerobism ammonia oxygen after the reinforcing through high ammonia nitrogen
Change the method and apparatus that coupling denitrification handles city domestic sewage, it is characterised in that：Including the sewage raw water box being sequentially connected
And short distance nitration Anammox coupling denitrification sbr reactor device (2) (1)；Wherein sewage raw water box (1) is provided with the first overflow pipe
And the first blow-down pipe (1.2) (1.1)；Sewage raw water box (1) passes through the first intake pump (1.3) and short distance nitration Anammox coupling
Denitrification sbr reactor device (2) is closed to be connected；Short distance nitration Anammox coupling denitrification coupling sbr reactor device (2) is provided with the
Two overflow pipes (2.1), draining pump (2.2), air compressor machine (2.3), gas flowmeter (2.4), aeration head (2.5), agitator (2.6)
With spoil disposal pipe valve (2.7), dissolving oxygen detecting probe (2.8) is equipped with, and it is outside provided with temperature control heating belting.
The handling process of device is：Sewage in water tank enters sbr reactor device by intake pump, according to stage difference respectively
It is aerated or anaerobism stirring, aeration, anoxia stirring, realizes the removal to nitrogen in sewage and COD.
Short distance nitration Anammox coupling denitrification handle city domestic sewage method and apparatus, its feature include with
Lower content：
1) stage one：High ammonia nitrogen strain, 125 days time.It is inoculated with the high ammonia nitrogen continuous stream short distance nitration of municipal wastewater treatment plant
Anammox integration pilot scale sludge is added to short distance nitration Anammox coupling denitrification sbr reactor device so that sludge
Concentration is in 4-6g/L.Intake and add ammonium hydrogen carbonate for Beijing university dependents' district septic tank sanitary sewage and be formulated, water quality is such as
Under：NH4 +- N concentration is 380-400mg/L, and COD is 156-290mg/L, NO2 -- N≤0.5mg/L, NO3-- N≤0.5mg/L, fortune
Line mode is water inlet 16min, low-oxygen aeration 180-300min, precipitation 25min, draining 5min, and aeration phase is by adjusting flow
Meter control dissolved oxygen 0.2-0.4mg/L, 28-30 DEG C of temperature.Control aeration time causes aeration to terminate rear NH4 +- N residues are not less than
20mg/L, if water outlet NH4 +- N concentration then shortens the reaction time less than 20mg/L, on the contrary then extend the reaction time, if while water outlet
NO2 —N is less than 1mg/L, then aeration quantity is improved, so as to improve NH4 +- N elimination capacities, but still need to control aeration phase dissolved oxygen
Concentration is between 0.2-0.4mg/L.
Floc sludge age 20d is kept, concrete mode uses 0.18 tm screen to take 100mL mixing sludges from sbr reactor device
Mesh screen point, granule sludge refunds reactor, floc sludge discharge.
2) stage two：Except NH4 +- N concentration is 380-400mg/L, time to be 55 days and aeration time is 180-240min
Outside, remaining condition is consistent with the stage one.
3) stage three：Handle the city domestic sewage stage.Intake as Beijing university dependents' district septic tank sanitary sewage, water
Matter is as follows：NH4 +- N concentration is 60-80mg/L, and COD is 156-290mg/L, NO2 -- N≤0.5mg/L, NO3-- N≤0.5mg/L,
The method of operation for water inlet 16min, anaerobism stirring 30min, low-oxygen aeration 180-240min, anoxia stirring 60min, precipitation 25min,
Draining 5min, aeration phase control dissolved oxygen 0.2-0.4mg/L, 28-30 DEG C of temperature.Aeration time is controlled before the appearance of ammonia valley point
Terminate so that aeration terminates rear NH4 +- N residues are not less than 5mg/L, if aeration terminates rear NH4 +- N concentration then shortens less than 5mg/L
Aeration time, it is on the contrary then extend aeration time.Floc sludge age 20d is kept, concrete mode is to take 100mL from sbr reactor device
Mixing sludge, with 0.18 micron of sieved through sieve, granule sludge refunds reactor, floc sludge discharge.
A kind of short distance nitration Anammox coupling denitrification of the present invention handles the method and apparatus of city domestic sewage, tool
There is following advantage：
1) the short distance nitration Anammox coupling denitrification sludge after strengthening through high ammonia nitrogen is solved directly to be handled with it
The systematic jitters problem of low ammonia nitrogen city domestic sewage, whole system is run after the processing city domestic sewage stage is entered
It is stable；
2) the preposition anaerobism stirring of processing city domestic sewage stage, makes full use of the carbon source in raw water it is changed into interior carbon
Source is stored in vivo, and reduction is subsequently aerated and the carbon source of invalid waste, save aeration consumption；Rearmounted anoxia stirring, is carried out remaining
The Anammox effect of ammonia nitrogen, and further denitrification is carried out, water outlet total nitrogen is further reduced；
3) all aerations are low-oxygen aeration, save energy consumption.Whole processing procedure is that city can be achieved without additional carbon
The denitrification of sanitary sewage.
Brief description of the drawings
Fig. 1 is the method and apparatus that short distance nitration Anammox coupling denitrification of the present invention handles city domestic sewage
Structural representation.
1 is sewage raw water box, and 2 be short distance nitration Anammox coupling denitrification sbr reactor device；Wherein sewage raw water box
(1) the first overflow pipe (1.1) and the first blow-down pipe (1.2) are provided with；Sewage raw water box (1) by the first intake pump (2.1) with it is short
Journey nitrifying anaerobic ammonia oxidation coupling denitrification sbr reactor device (2) is connected；Short distance nitration Anammox coupling denitrification SBR
Reactor (2) is provided with the second overflow pipe (2.1), drainpipe (2.2), aeration pump (2.3), gas flowmeter (2.4), aeration head
(2.5), agitator (2.6) and spoil disposal pipe valve (2.7), are equipped with dissolving oxygen detecting probe (2.8), and outside provided with temperature control heating band
Device.
Each phase principle figure of Fig. 2 present invention.
Embodiment
The present invention will be further described with implementation below in conjunction with the accompanying drawings：At short distance nitration Anammox coupling denitrification
Manage the method and apparatus of city domestic sewage, including the sewage raw water box (1) and short distance nitration Anammox coupling being sequentially connected
Close denitrification sbr reactor device (2)；Wherein sewage raw water box (1) is provided with the first overflow pipe (1.1) and the first blow-down pipe (1.2)；It is dirty
Water raw water box (1) couples sbr reactor device (2) by the first intake pump (2.1) with short distance nitration Anammox coupling denitrification
It is connected；Short distance nitration Anammox coupling denitrification coupling sbr reactor device (2) is provided with the second overflow pipe (2.1), drainpipe
(2.2), aeration pump (2.3), gas flowmeter (2.4), aeration head (2.5), agitator (2.6) and spoil disposal pipe valve (2.7), are equipped with
Oxygen detecting probe (2.8) is dissolved, and it is outside provided with temperature control heating belting.
First two-stage influent quality be Beijing university dependents' district septic tank sanitary sewage add ammonium hydrogen carbonate prepare and
Into NH4 +- N concentration is 380-400mg/L (180-200mg/L), and COD is 156-290mg/L, NO2 -- N≤0.5mg/L, NO3--N
≤ 0.5mg/L, phase III influent quality is Beijing university dependents' district septic tank sanitary sewage, NH4 +- N concentration is 60-
80mg/L, COD are 156-290mg/L, NO2 -- N≤0.5mg/L, NO3--N≤0.5mg/L。
Concrete operations are as follows：
1) stage one：High ammonia nitrogen strain, 125 days time.It is inoculated with the high ammonia nitrogen continuous stream short distance nitration of municipal wastewater treatment plant
Anammox integration pilot scale sludge is added to short distance nitration Anammox coupling denitrification sbr reactor device so that sludge
Concentration is in 4-6g/L.The method of operation is water inlet 16min, low-oxygen aeration 180-300min, precipitation 25min, draining 5min, is aerated rank
Section controls dissolved oxygen 0.2-0.4mg/L, 28-30 DEG C of temperature by adjusting flowmeter.After control aeration time make it that aeration terminates
NH4 +- N residues are not less than 20mg/L, if water outlet NH4 +- N concentration then shortens the reaction time less than 20mg/L, on the contrary then extension reaction
Time, if while water outlet NO2 —N is less than 1mg/L, then aeration quantity is improved, so as to improve NH4 +- N and TN elimination capacities, but still need
Aeration phase dissolved oxygen concentration is controlled between 0.2-0.4mg/L.
Floc sludge age 20d is kept, concrete mode is micro- with 0.18 to take 100mL mixing sludges from sbr reactor device daily
Rice sieved through sieve, granule sludge refunds reactor, floc sludge discharge.
2) stage two：Transition stage, 55 days time.The method of operation is water inlet 16min, low-oxygen aeration 180-240min, sunk
Shallow lake 25min, draining 5min, aeration phase control dissolved oxygen 0.2-0.4mg/L, 28-30 DEG C of temperature by adjusting flowmeter.Control
Aeration time causes aeration to terminate rear NH4 +- N residues are not less than 20mg/L, if water outlet NH4 +- N concentration then shortens less than 20mg/L
It is reaction time, on the contrary then extend the reaction time.Floc sludge age 20d is kept, concrete mode is to take 100mL from sbr reactor device
Mixing sludge, with 0.18 micron of sieved through sieve, granule sludge refunds reactor, floc sludge discharge.It had better not quote
3) stage three：Handle the city domestic sewage stage.The method of operation is water inlet 16min, anaerobism stirring 30min, hypoxemia
It is aerated 180-240min, anoxia stirring 60min, precipitation 25min, draining 5min, aeration phase control dissolved oxygen 0.2-0.4mg/
L, 28-30 DEG C of temperature.Aeration time is controlled to terminate before occurring in ammonia valley point so that aeration terminates rear NH4 +- N residues are not less than
5mg/L, if aeration terminates rear NH4 +- N concentration then shortens aeration time less than 5mg/L, on the contrary then extend aeration time.Keep wadding
Body sludge age 20d, concrete mode is takes 100mL mixing sludges from sbr reactor device, and with 0.18 micron of sieved through sieve, particle is dirty
Mud refunds reactor, floc sludge discharge.
The as shown by data after city domestic sewage stable operation is handled, water outlet total nitrogen is less than 15mg/L.Wherein NH4 +- N is less than
5mg/L, NO2 -- N is less than 5mg/L, NO3 -- N is less than 1.5mg/L, up to one-level A standards.COD clearances are up to more than 75%.
Claims (2)
1. short distance nitration Anammox coupling denitrification handles the device of city domestic sewage, it is characterised in that：Including successively
The sewage raw water box (1) and short distance nitration Anammox coupling denitrification sbr reactor device (2) of connection；Wherein sewage raw water box
(1) the first overflow pipe (1.1) and the first blow-down pipe (1.2) are provided with；Sewage raw water box (1) by the first intake pump (1.3) with it is short
Journey nitrifying anaerobic ammonia oxidation coupling denitrification sbr reactor device (2) is connected；Short distance nitration Anammox coupling denitrification SBR
Reactor (2) is provided with the second overflow pipe (2.1), draining pump (2.2), air compressor machine (2.3), gas flowmeter (2.4), aeration head
(2.5), agitator (2.6) and spoil disposal pipe valve (2.7), are equipped with dissolving oxygen detecting probe (2.8), and outside provided with temperature control heating band
Device.
2. the method for application device as claimed in claim 1, it is characterised in that comprise the following steps：
1) stage one：High ammonia nitrogen strain, 125 days time；
The integrated pilot scale sludge of the high ammonia nitrogen continuous stream short distance nitration Anammox of inoculation municipal wastewater treatment plant is added to short distance nitration
Anammox coupling denitrification sbr reactor device so that sludge concentration is in 4-6g/L；Intake and add carbonic acid for city domestic sewage
Hydrogen ammonium is formulated, and water quality is as follows：NH4 +- N concentration is 380-400mg/L, and COD is 156-290mg/L, NO2 --N≤0.5mg/
L, NO3 -- N≤0.5mg/L, the method for operation is water inlet 16min, low-oxygen aeration 180-300min, precipitation 25min, draining 5min, is exposed
Gas stage control dissolved oxygen 0.2-0.4mg/L, 29-30 DEG C of temperature；
2) stage two：Transition stage, 55 days time；
Intake and add ammonium hydrogen carbonate for city domestic sewage and be formulated, water quality is as follows：NH4 +- N concentration is 180-200mg/L,
COD is 156-290mg/L, NO2 -- N≤0.5mg/L, NO3 -- N≤0.5mg/L, the method for operation is water inlet 16min, low-oxygen aeration
180-240min, precipitation 25min, draining 5min, aeration phase control dissolved oxygen 0.2-0.4mg/L, 29-30 DEG C of temperature；
3) stage three：Handle the city domestic sewage stage；
Influent quality is as follows：NH4 +- N concentration is 60-80mg/L, and COD is 156-290mg/L, NO2 -- N≤0.5mg/L, NO3 --N
≤ 0.5mg/L, the method for operation for water inlet 16min, anaerobism stirring 30min, low-oxygen aeration 180-210min, anoxia stirring 60min,
25min, draining 5min, low-oxygen aeration stage control dissolved oxygen 0.2-0.4mg/L are precipitated, control aeration time occurs in ammonia valley point
It is preceding to terminate so that aeration terminates rear NH4 +- N residues are not less than 5mg/L；29-30 DEG C of temperature.
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Cited By (8)
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| CN108178302A (en) * | 2018-01-05 | 2018-06-19 | 北京工业大学 | Quickly started based on azanol and the integrated apparatus and method of stably maintaining shortcut nitrification/Anammox |
| CN108383239A (en) * | 2018-03-13 | 2018-08-10 | 北京工业大学 | The integral biological treatment process of short distance nitration Anammox dephosphorization simultaneously under intermittent aerating pattern |
| CN108439596A (en) * | 2018-04-08 | 2018-08-24 | 福建省环境科学研究院（福建省排污权储备和管理技术中心） | A kind of method of one-part form semi-hitrosation-Anammox-denitrification coupling technique processing town domestic sewage |
| CN108975499A (en) * | 2018-07-20 | 2018-12-11 | 浙江海洋大学 | A kind of integration denitrification device |
| CN109607773A (en) * | 2019-01-11 | 2019-04-12 | 长安大学 | A kind of deep denitrogenation process based on SBR |
| CN111547852A (en) * | 2020-05-22 | 2020-08-18 | 广西春晖环保工程有限责任公司 | Control method of integrated shortcut nitrification-anaerobic ammonia oxidation denitrification process |
| CN113461156A (en) * | 2021-05-08 | 2021-10-01 | 光大水务科技发展（南京）有限公司 | Sewage treatment method for promoting shortcut nitrification-denitrification coupling anaerobic ammonia oxidation |
| CN114477642A (en) * | 2022-02-13 | 2022-05-13 | 北京工业大学 | Device and method for synchronously treating high ammonia nitrogen wastewater and excess sludge |
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Cited By (11)
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| CN108178302A (en) * | 2018-01-05 | 2018-06-19 | 北京工业大学 | Quickly started based on azanol and the integrated apparatus and method of stably maintaining shortcut nitrification/Anammox |
| CN108178302B (en) * | 2018-01-05 | 2021-02-05 | 北京工业大学 | Device and method for integrating rapid start and stable maintenance of shortcut nitrification/anaerobic ammonia oxidation based on hydroxylamine |
| CN108383239A (en) * | 2018-03-13 | 2018-08-10 | 北京工业大学 | The integral biological treatment process of short distance nitration Anammox dephosphorization simultaneously under intermittent aerating pattern |
| CN108383239B (en) * | 2018-03-13 | 2021-03-16 | 北京工业大学 | Integrated biological treatment process for shortcut nitrification anaerobic ammonia oxidation and phosphorus removal under intermittent aeration mode |
| CN108439596A (en) * | 2018-04-08 | 2018-08-24 | 福建省环境科学研究院（福建省排污权储备和管理技术中心） | A kind of method of one-part form semi-hitrosation-Anammox-denitrification coupling technique processing town domestic sewage |
| CN108975499A (en) * | 2018-07-20 | 2018-12-11 | 浙江海洋大学 | A kind of integration denitrification device |
| CN109607773A (en) * | 2019-01-11 | 2019-04-12 | 长安大学 | A kind of deep denitrogenation process based on SBR |
| CN111547852A (en) * | 2020-05-22 | 2020-08-18 | 广西春晖环保工程有限责任公司 | Control method of integrated shortcut nitrification-anaerobic ammonia oxidation denitrification process |
| CN111547852B (en) * | 2020-05-22 | 2020-12-22 | 广西春晖环保工程有限责任公司 | Control method of integrated shortcut nitrification-anaerobic ammonia oxidation denitrification process |
| CN113461156A (en) * | 2021-05-08 | 2021-10-01 | 光大水务科技发展（南京）有限公司 | Sewage treatment method for promoting shortcut nitrification-denitrification coupling anaerobic ammonia oxidation |
| CN114477642A (en) * | 2022-02-13 | 2022-05-13 | 北京工业大学 | Device and method for synchronously treating high ammonia nitrogen wastewater and excess sludge |
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