CN106904732A - A kind of method that membrane bioreactor quickly starts short distance nitration - Google Patents
A kind of method that membrane bioreactor quickly starts short distance nitration Download PDFInfo
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- CN106904732A CN106904732A CN201710167963.4A CN201710167963A CN106904732A CN 106904732 A CN106904732 A CN 106904732A CN 201710167963 A CN201710167963 A CN 201710167963A CN 106904732 A CN106904732 A CN 106904732A
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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
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/14—Activated sludge processes using surface aeration
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/303—Nitrification and denitrification treatment characterised by the nitrification
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
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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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention discloses a kind of quick start method of membrane bioreactor short-cut nitrification technology, its step is：The returned sludge of sewage treatment plant is inoculated with first, and sludge activity is recovered under conditions of abundance is supported；Secondly, under the conditions of aerobic/anoxic alternate run, keep flow of inlet water constant, regulation hydraulic detention time successfully starts up short distance nitration so as to increase influent ammonia nitrogen loading.The invention provides a kind of strategy for starting short distance nitration quick in membrane bioreactor, for the long-term efficient stable operation that membrane bioreactor is applied to short distance nitration provides method.
Description
Technical field
The present invention relates to a kind of method that membrane bioreactor quickly starts short distance nitration.
Background technology
As the aggravation of growth and the mankind's activity of economic level, water pollution are increasingly severe, wherein nitrate pollution is
One main harm, the health effect to natural environment and the mankind is very big.Autotrophic denitrification technique is the biology of discovered in recent years
Denitrogenation new technology, is based primarily upon the realization of short distance nitration and Anammox, and short distance nitration refers to by suppressing nitrite oxygen
Nitration reaction is rested on Nitrification Stage by the activity for changing bacterium (NOB), realizes sub- nitrogen accumulation, and short distance nitration has the characteristics that：
1. without being nitrate by nitrite-oxidizing, aeration rate about 25% is saved；2. adding for organic carbon source can be reduced, about
40%, reduces cost；3. nitrification and denitrification is carried out in same reactor, nitrifies the H for producing+The OH produced with denitrification-Phase
Mutually neutralize, reduce throwing alkali number；4. denitrification is carried out in Nitrification Stage, it is fast that rate of nitrification carries out denitrification rate than nitrate
1.5~2.0 times, shorten the reaction time；5. hydraulic detention time is shorter, it is possible to reduce reactor volume 30%~40%；⑥
Sludge quantum of output is greatly reduced, nitrifying process can reduce product mud 25%~34%, and denitrification process can reduce product mud
50%.
Although short distance nitration have the advantages that it is so many, because ammonia oxidation bacteria (AOB) growth rate is slow, self-retaining energy
Power it is weak and to external world environment sensitive the features such as so that it can not rapidly put into engineer applied.At present, cylindricality SBR (live by batch-type
Property sludge) reactor is to generally acknowledge the quick ideal reactor for starting short distance nitration, its unique operational mode creates lean/rich
Nutrition alternate selection mechanism, stronger physics selection is pressed with and helps granular sludge and formed.However, operation cylindricality SBR higher
Capital cost, complicated operational control and strict ratio of height to diameter requirement become the difficulty on propulsion short distance nitration industrialization road
Topic.Airlift reactor, plug flow reactor and upflow anaerobic sludge blanket reactor etc. can successfully start up short distance nitration, but
It is in such systems, the loss of a part of microorganism inevitably to be caused with water outlet, especially when system is in
Unstable stage, such as load be too low to cause the sludge bulking, water outlet to carry more activated sludge, causes effluent quality rapidly to be disliked
Change.Membrane bioreactor (MBR) is used as a kind of novel bioreactor, and application prospect is very wide.Due to efficiently cutting for film
Give over to use so that microorganism is dammed in bioreactor completely, microorganism concn higher is able to maintain that in system, very
Beneficial to the enrichment and culture, a kind of ideal reactor of quick startup short distance nitration of can yet be regarded as of AOB.
Current short distance nitration has the startup time long, and the slow problem of sludge growth rate largely limits short distance nitre
The practical application of change.Preferably to promote short distance nitration technology to be more broadly applied in real process, effectively shorten short distance
The startup cycle of nitrification is particularly important.
The content of the invention
The invention provides a kind of method that membrane bioreactor quickly starts short distance nitration, it is used to solve current short distance nitre
The change startup time is long, the slow problem of sludge growth rate.
In order to solve the above-mentioned technical problem, the technical scheme is that：
A kind of method that membrane bioreactor quickly starts short distance nitration, it is water inlet with artificial distribution at normal temperatures to be, with
Membrane bioreactor is experimental rig, is inoculated with the second pond returned sludge of sewage treatment plant, by gradually increase water inlet in experiment
The method of operation of ammonia nitrogen loading realizes the quick startup of MBR short distance nitrations.Comprise the following steps that：
Step is (1)：Seed sludge is in membrane bioreactor first：Seed sludge is sewage treatment plant A2The sedimentation basins of/O bis-
Returned sludge, seed sludge concentration is 3500mgL-1；
Step is (2)：Recover sludge activity by the way of continuous aeration：It it is 30 ± 1 DEG C in temperature, pH is 7.5~8.0, is changed
Oxygen demand (COD) concentration is 130~160mgL-1, influent ammonium concentration is 140~160mgL-1Under conditions of, to institute
The mud mixture continuous aeration in membrane bioreactor is stated, setting aeration rate is 0.5~0.8Lmin-1, dissolved oxygen (DO) is dense
It is 0.6~1.0mgL to spend-1, it is 5h to set hydraulic detention time (HRT), and ammonia nitrogen loading is 0.67~0.77kgm-3·d-1,
When ammonia nitrogen removal frank reaches more than 90%, it is believed that sludge activity is restored.
Step is (3)：Start short distance nitration by way of gradually increasing influent ammonia nitrogen loading, method is：Temperature be 30 ±
1 DEG C, pH is that 7.5~8.0, COD concentration is 130~160mgL-1, influent ammonium concentration is 140~160mgL-1Condition
Under, hydraulic detention time is gradually decreased, gradually increase influent ammonia nitrogen loading.It is 5h to keep hydraulic detention time first, and ammonia nitrogen is born
Lotus is 0.67~0.77kgm-3·d-1, when continuous 5 days of nitrous cumulative percentage (d) stabilization is more than 65%, when hydraulic retention is set
Between be 4h；When hydraulic detention time is 4h, influent ammonia nitrogen loading increases to 0.84~0.96kgm-3·d-1, when nitrous is tired
More than 90%, setting hydraulic detention time is 3h to the continuous 5d stabilizations of product rate；When hydraulic detention time is 3h, influent ammonia nitrogen is born
Lotus increases to 1.12~1.28kgm-3·d-1, when the continuous 7d stabilizations of nitrous cumulative percentage are more than 85%, it is believed that successfully start up
Short distance nitration.
Preferably, step (3) in while gradually increase influent ammonia nitrogen loading to the muddy water in the membrane bioreactor
Mixture intermittent aerating, the aeration period for setting intermittent aerating is 1h, and exposure stops than being 1:1~3, set aeration rate be 0.5~
0.8L·min-1, dissolved oxygen concentration is 0.6~1.0mgL during aeration-1, and stop aeration 10min after dissolved oxygen concentration it is complete
It is reduced to 0mgL-1.Using intermittent aerating, by realizing the alternate run of anoxic/aerobic in time series, on the one hand can subtract
Few power consumption, saves operating cost；On the other hand, this technique hypoxia response and aerobic reaction are completed in same reactor, phase
Than in traditional handicraft (A2/ O, A/O etc.) anoxic pond and Aerobic Pond setting, be substantially reduced reactor volume, reducing the construction costs.
Preferably, the exposure stops than being 1:3,45min is aerated, precipitate 15min.
Preferably, the membrane bioreactor also needs timing to determine nitrogen transformation in quickly starting the method for short distance nitration
Situation, specific method is：The membrane bioreactor is stood and suctions out supernatant, changed to effective into water to the membrane reactor
Volume, the membrane reactor is positioned in cleansing bath tub, 30 ± 1 DEG C of the temperature that cleansing bath tub is set, and is entered under conditions of water inlet is stopped
Row intermittent aerating, the aeration period for setting intermittent aerating is 1h, and exposure stops than being 1:1~3, setting aeration rate is 0.5~0.8L
min-1, dissolved oxygen concentration is 0.6~1.0mgL during aeration-1, and stop aeration 10min after dissolved oxygen concentration be reduced to completely
0mg·L-1, ammonia nitrogen (NH in determination sample respectively is sampled in the membrane bioreactor per 15min4 +- N), nitrite nitrogen (NH2 --
) and nitrate nitrogen (NH N3 -- N) concentration, when the influent ammonium concentration changed in the membrane bioreactor is degraded to 0Lmin-1Make
It is terminal.
Preferably, the exposure stops than being 1:3,45min is aerated, precipitate 15min.
Preferably, when stable effluent quality in the membrane bioreactor, determining nitrogen transformation situation, the water outlet
Water stabilization refers to that one week ammonia nitrogen removal frank of water outlet fluctuates within the specific limits, maintains stabilization.
Preferably, the effective volume of the membrane bioreactor is 13L, the built-in polyvinylidene fluoride of membrane bioreactor
Alkene hollow fiber film assembly, the membrane bioreactor bottom is installed by aerator.
Preferably, the aerator uses aeration pump compressed air, air is discharged using micro porous aeration head, using sky
Air-flow gauge control aeration rate realizes continuous aeration and intermittent aerating.
Preferably, the water inlet uses running water, and add 500~800mgL-1(NH4)2SO4, 1000~
1700mg·L-1NaHCO3With 50~80mgL-1KH2PO4, and without organic carbon source.
Compared with prior art, the present invention has advantages below：The side that the present invention passes through gradually increase influent ammonia nitrogen loading
Method, with reference to intermittent aerating mode, successfully starts up short distance nitration.The method is easy to implement, starts compared under high temperature or high ph-values
Short distance nitration can more maintain stable motion.Additionally, the present invention is for AOB growth rates are slow, self-retaining ability is weak and external
The features such as boundary's environment sensitive, MBR is combined together with short distance nitration, is efficiently retained using MBR and be conducive to enrichment and growth slow
AOB, reduce short distance nitration the startup time, be membrane bioreactor be applied to short distance nitration long-term efficient stable operation carry
Method is supplied.
Brief description of the drawings
Fig. 1 is the structural representation of the membrane bioreactor of a specific embodiment of the invention；
Fig. 2 is the MBR startup stage Inlet and outlet water Parameters variation figures of a specific embodiment of the invention.
Shown in figure：1- membrane bioreactors, 11- aerators, 12- Pvdf Microporous Hollow Fiber Membrane components.
Specific embodiment
To enable the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.It should be noted that, accompanying drawing of the present invention is in the form of simplification and using non-essence
Accurate ratio, is only used to conveniently, lucidly aid in illustrating the purpose of the embodiment of the present invention.
Fig. 1 is referred to, the reactor employed in the present invention is membrane bioreactor 1, and the membrane bioreactor 1 is effective
Volume is 13L, the built-in Pvdf Microporous Hollow Fiber Membrane component 12 of the membrane bioreactor 1, the bottom of the membrane bioreactor 1
Aerator 11 is installed in portion, and the aerator 11 uses aeration pump compressed air, and air is discharged using micro porous aeration head, uses
Mass air flow sensor control aeration rate is realized continuous aeration and intermittent aerating and is mixed come muddy water in controlling the membrane bioreactor 1
The DO concentration of thing.The built-in agitator of the membrane bioreactor 1, it is ensured that muddy water is well mixed, intake pump connection fluid level controller,
Constant liquid level is kept, water outlet aspirates water outlet by peristaltic pump.
Experiment using running water, and is added to 500~800mgL with artificial synthesized waste water as test water-1's
(NH4)2SO4, 1000~1700mgL-1NaHCO3With 50~80mgL-1KH2PO4, and without organic carbon source.
The quick method for starting short distance nitration in the present invention, its thinking is：In MBR reactors, it is inoculated with A2/ O techniques
The second pond returned sludge of the municipal sewage plant of operation.Contain a large amount of nitrobacterias in returned sludge, be inoculated into the film
After bioreactor 1, first with artificial distribution as matrix, ammonia nitrogen concentration and water factory's concentration comparable in water distribution, continuous aeration make
Sludge activity recovery；After sludge activity recovery, water inlet ammonia is gradually increased by way of gradually increasing influent ammonium concentration
Nitrogen load, so that suppress the activity of NOB, because under ammonia nitrogen loading higher, the activity of NOB is suppressed, and the activity of AOB
It is barely affected.By increasing influent ammonia nitrogen loading, it is possible to achieve to the activity suppression of NOB, sub- nitrogen accumulation is realized, started short
Journey is nitrified.
Specific treatment is as follows：
Inoculation is with A2In in MBR, seed sludge concentration is the second pond returned sludge of the sewage treatment plant of/O process operations
3500mg·L-1.It it is 30 ± 1 DEG C in temperature, pH is that 7.5~8.0, DO concentration is 0.6~1.0mgL-1, COD concentration is 130
~160mgL-1, influent ammonium concentration is 140~160mgL-1Under conditions of, setting hydraulic detention time is 5h, and ammonia nitrogen is born
Lotus is 0.67~0.77kgm-3·d-1, it is same in sludge because seed sludge is municipal sewage plant's second pond returned sludge
When there is AOB and NOB, at the sludge seeding initial stage, AOB can quickly shake down than NOB, show as the initial product of sub- nitrogen
Tired, accumulation rate reaches 10% or so.With the shortage of effective inhibitor in the recovery of NOB activity and the membrane bioreactor 1,
Sub- nitrogen accumulation disappears, and mineralized nitrogen is nitrate nitrogen, continuous operation, when ammonia nitrogen removal frank reaches 90%, indicates that the active of sludge is obtained
To recovery, the laundering period terminates.
After sludge activity is restored, short distance nitration is started by way of gradually increasing influent ammonia nitrogen loading.Due to
In seed sludge simultaneously there is AOB and NOB, therefore, to realize short distance nitration, it is necessary to suppress the activity of NOB, by increase into
Water ammonia nitrogen loading, can suppress NOB, so as to realize the elutriation of NOB.This is the activity of NOB due under ammonia nitrogen loading higher
It is suppressed, deactivated NOB will discharge reactor with spoil disposal, and then realize the accumulation of sub- nitrogen.
It it is 30 ± 1 DEG C in temperature using manual simulation's water distribution, pH is that 7.5~8.0, COD concentration is 130~160mgL-1, influent ammonium concentration is 140~160mgL-1Under conditions of, hydraulic detention time is gradually decreased, gradually increase influent ammonia nitrogen
Load；It is 5h to keep hydraulic detention time first, and ammonia nitrogen loading is 0.67~0.77kgm-3·d-1, when nitrous cumulative percentage connects
More than 65%, setting hydraulic detention time is 4h to continuous 5d stabilizations；When hydraulic detention time is 4h, influent ammonia nitrogen loading increases
To 0.84~0.96kgm-3·d-1, when the continuous 5d stabilizations of nitrous cumulative percentage are more than 90%, setting hydraulic detention time is
3h；When hydraulic detention time is 3h, influent ammonia nitrogen loading increases to 1.12~1.28kgm-3·d-1, when nitrous cumulative percentage
Continuous 7d stabilizations are more than 85%, it is believed that successfully started up short distance nitration.
Gradually to the mud mixture intermittent aerating in the membrane bioreactor 1 while increase influent ammonia nitrogen loading,
The aeration period for setting intermittent aerating is 1h, and exposure stops than being 1:1~3, setting aeration rate is 0.5~0.8Lmin-1, during aeration
Dissolved oxygen concentration is 0.6~1.0mgL-1, and stop aeration 10min after dissolved oxygen concentration be reduced to 0mgL completely-1.It is good
The mode of oxygen/anaerobism alternate run, can further suppress the activity of NOB, realize the elutriation of NOB.In the present embodiment, the exposure
Stop than being 1：3,45min is aerated, precipitate 15min.
The membrane bioreactor also needs to determine nitrogen transformation situation, specific method in quickly starting the method for short distance nitration
For：When the ammonia nitrogen removal frank of week water outlet of stable effluent quality, i.e., in the membrane bioreactor 1 fluctuates within the specific limits,
Stabilization is maintained, the membrane bioreactor 1 is stood and from the membrane bioreactor 1 supernatant is suctioned out, changed into water extremely
The dischargeable capacity of the membrane bioreactor 1, the membrane bioreactor 1 is positioned in cleansing bath tub, and cleansing bath tub sets water temperature 30
± 1 DEG C, intermittent aerating is carried out under conditions of water inlet is stopped, the aeration period for setting intermittent aerating is 1h, exposure stops than being 1:1~
3, setting aeration rate is 0.5~0.8Lmin-1, dissolved oxygen concentration is 0.6~1.0mgL during aeration-1, and stop aeration
Dissolved oxygen concentration is reduced to 0mgL completely after 10min-1, sampled in the membrane bioreactor 1 per 15min and determine sample respectively
NH in product4 +-N、NH2 -- N and NH3 -The concentration of-N.When the influent ammonium concentration changed in the membrane bioreactor 1 is degraded to
0mg·L-1As terminal.In the present embodiment, NH is determined using Berthelot spectrophotometry4 +The concentration of-N；Using N- (1- naphthalenes
Base)-ethylenediamine spectrophotometry NO2 -The concentration of-N；Using determined by ultraviolet spectrophotometry NO3 -The concentration of-N.The exposure
Stop than being 1:3,45min is aerated, precipitate 15min.Measurement result is referring to Fig. 2 and Biao 1.Fig. 2 is visible, in the membrane bioreactor
The 11st~14 day of continuous operation, determines ammonia nitrogen removal frank and reaches more than 90%, it is believed that AOB activity is in preferable water in reactor
Flat, can carry out next step gradually increases influent ammonia nitrogen loading startup short distance nitration；Continuously transported in the membrane bioreactor
23 capable~28d, more than 90%, nitrous cumulative percentage stabilization is more than 65%, but ammonia nitrogen for continuous 5d ammonia nitrogen removal franks stabilization
Concentration is still maintained at 10mgL-1Left and right, therefore, HRT is foreshortened into 4h from 5h from 29d；It is continuous in the membrane bioreactor
38~42d of operation, more than 90%, nitrous cumulative percentage stabilization is more than 85%, but ammonia for continuous 5d ammonia nitrogen removal franks stabilization
Nitrogen concentration is still maintained at 17mgL-1Left and right, therefore, shortening HRT to 3h from 44d, nitrous cumulative percentage progressively increases and stabilization exists
93% or so, NO3 -- N concentration is down to 10mgL-1Hereinafter, the stabilization maintenance of short distance nitration is conducive to.Therefore operation is sub- to 44d
The continuous 7d stabilizations of nitre cumulative percentage show to successfully start up short distance nitration more than 85%.Meanwhile, with reference to table 1, operation to the IVth rank
Section, the average elimination capacity of MBR reactor ammonia nitrogens is up to 1.057kg (m3·d)-1, and nitrate nitrogen generating rate is down to 1.0mg
NO3 -- N/ (g MLVSSh), illustrates in reactor that AOB has the advantage status compared with NOB strains, successfully realizes short distance nitration.
Wherein,
(MLVSS represents the concentration of Organic solid matter part in mixed liquor activated sludge).
Table 1
The present invention provides a kind of method that membrane bioreactor quickly starts short distance nitration, it is intended to solve traditional biological technique
The medium or short range nitrification startup time is long, and sludge growth rate is slow, and AOB is enriched with slow problem.The present invention is by gradually increasing water inlet ammonia
The method of nitrogen load, with reference to intermittent aerating mode, successfully starts up short distance nitration.The method is easy to implement, compared to high temperature or height
The short distance nitration started under pH value can more maintain stable motion.Additionally, the present invention is for AOB growth rates are slow, self-retaining energy
Power it is weak and to external world environment sensitive the features such as, MBR is combined together with short distance nitration, efficiently retained using MBR and be conducive to richness
The slow-growing AOB of collection, reduces the startup time of short distance nitration, is that membrane bioreactor is applied to the long-term efficient of short distance nitration
Stable operation provides method.
Those skilled in the art can carry out various changes and modification without deviating from spirit of the invention and model to invention
Enclose.So, if these modifications of the invention and modification belong within the scope of the claims in the present invention and its equivalent technologies, then
The present invention is also intended to including including these changes and modification.
Claims (9)
1. a kind of method that membrane bioreactor quickly starts short distance nitration, it is characterised in that comprise the following steps that：
Step is (1)：Seed sludge is in membrane bioreactor first：Seed sludge is sewage treatment plant A2The backflow of the sedimentation basins of/O bis- is dirty
Mud, seed sludge concentration is 3500mgL-1；
Step is (2)：Recover sludge activity by the way of continuous aeration：It it is 30 ± 1 DEG C in temperature, pH is 7.5~8.0, and chemistry is needed
Oxygen amount concentration is 130~160mgL-1, influent ammonium concentration is 140~160mgL-1Under conditions of, to the membrane bioreaction
The mud mixture continuous aeration in device is answered, setting aeration rate is 0.5~0.8Lmin-1, dissolved oxygen concentration be 0.6~
1.0mg·L-1, setting hydraulic detention time is 5h, and ammonia nitrogen loading is 0.67~0.77kgm-3·d-1, when ammonia nitrogen removal frank reaches
To more than 90%, it is believed that sludge activity is restored；
Step is (3)：Start short distance nitration by way of gradually increasing influent ammonia nitrogen loading, method is：It is 30 ± 1 DEG C in temperature,
PH is 7.5~8.0, and COD concentration is 130~160mgL-1, influent ammonium concentration is 140~160mgL-1Bar
Under part, hydraulic detention time is gradually decreased, gradually increase influent ammonia nitrogen loading；It is 5h, ammonia nitrogen to keep hydraulic detention time first
Load is 0.67~0.77kgm-3·d-1, when the continuous 5d stabilizations of nitrous cumulative percentage are more than 65%, hydraulic detention time is set
It is 4h；When hydraulic detention time is 4h, influent ammonia nitrogen loading increases to 0.84~0.96kgm-3·d-1, when nitrous accumulation
More than 90%, setting hydraulic detention time is 3h to the continuous 5d stabilizations of rate；When hydraulic detention time is 3h, influent ammonia nitrogen loading
Increase to 1.12~1.28kgm-3·d-1, when the continuous 7d stabilizations of nitrous cumulative percentage are more than 85%, it is believed that successfully started up short
Journey is nitrified.
2. the method that membrane bioreactor according to claim 1 quickly starts short distance nitration, it is characterised in that step is (3)
In while gradually increase influent ammonia nitrogen loading to the mud mixture intermittent aerating in the membrane bioreactor, interval is set
The aeration period of aeration is 1h, and exposure stops than being 1:1~3, setting aeration rate is 0.5~0.8Lmin-1, dissolved oxygen is dense during aeration
It is 0.6~1.0mgL to spend-1, and stop aeration 10min after dissolved oxygen concentration be reduced to 0mgL completely-1。
3. the method that membrane bioreactor according to claim 2 quickly starts short distance nitration, it is characterised in that the exposure
Stop than being 1:3,45min is aerated, precipitate 15min.
4. the method that membrane bioreactor according to claim 1 quickly starts short distance nitration, it is characterised in that the film
The method that bioreactor quickly starts short distance nitration also needs to determine nitrogen transformation situation, and specific method is：The film is biological
Reactor stands and suctions out the supernatant in the membrane bioreactor, changes to the effective appearance into water to the membrane bioreactor
Product, the membrane bioreactor is positioned in cleansing bath tub, and cleansing bath tub sets 30 ± 1 DEG C of water temperature, is entered under conditions of water inlet is stopped
Row intermittent aerating, the aeration period for setting intermittent aerating is 1h, and exposure stops than being 1:1~3, setting aeration rate is 0.5~0.8L
min-1, dissolved oxygen concentration is 0.6~1.0mgL during aeration-1, and stop aeration 10min after dissolved oxygen concentration be reduced to completely
0mg·L-1, NH in determination sample respectively is sampled in the membrane bioreactor per 15min4 +-N、NO2 -- N and NO3 -- N's is dense
Degree, 0mgL is degraded to the influent ammonium concentration changed in the membrane bioreactor-1As terminal.
5. the method that membrane bioreactor according to claim 4 quickly starts short distance nitration, it is characterised in that when described
In membrane bioreactor during stable effluent quality, nitrogen transformation situation is determined.
6. the method that membrane bioreactor according to claim 4 quickly starts short distance nitration, it is characterised in that the exposure
Stop than being 1:3,45min is aerated, precipitate 15min.
7. the method that membrane bioreactor according to claim 1 quickly starts short distance nitration, it is characterised in that the film
The effective volume of bioreactor is 13L, the built-in Pvdf Microporous Hollow Fiber Membrane component of membrane bioreactor, the film
Bioreactor bottom is installed by aerator.
8. the method that membrane bioreactor according to claim 7 quickly starts short distance nitration, it is characterised in that the exposure
Device of air uses aeration pump compressed air, and air is discharged using micro porous aeration head, is realized using mass air flow sensor control aeration rate
Continuous aeration and intermittent aerating.
9. the method that membrane bioreactor according to claim 1 quickly starts short distance nitration, it is characterised in that it is described enter
Water uses running water, and adds 500~800mgL-1(NH4)2SO4, 1000~1700mgL-1NaHCO3With 50~
80mg·L-1KH2PO4, and without organic carbon source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710167963.4A CN106904732A (en) | 2017-03-21 | 2017-03-21 | A kind of method that membrane bioreactor quickly starts short distance nitration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710167963.4A CN106904732A (en) | 2017-03-21 | 2017-03-21 | A kind of method that membrane bioreactor quickly starts short distance nitration |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253761A (en) * | 2017-07-31 | 2017-10-17 | 山东大学 | A kind of Anammox based on inactivated sludge quickly strengthens startup method |
| CN110054284A (en) * | 2019-05-31 | 2019-07-26 | 苏州科技大学 | The semi-hitrosation technique of municipal sewage treatment starts and control method |
| CN110127955A (en) * | 2019-06-12 | 2019-08-16 | 成都工业学院 | A kind of double pond manual controlled infusions and method for low C/N than wastewater efficient denitrogenation |
| CN113830887A (en) * | 2021-10-13 | 2021-12-24 | 北京工业大学 | Method for promoting short-cut nitrification to quickly start and improve sludge settling performance by exogenous N-butyryl-L-homoserine lactone |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103224285A (en) * | 2013-03-17 | 2013-07-31 | 北京工业大学 | Rapid starting method of membrane bioreactor shortcut nitration technology |
| CN103224284A (en) * | 2013-03-17 | 2013-07-31 | 北京工业大学 | Rapid starting method of membrane bioreactor completely-autotrophic nitrogen removal technology |
| CN103435161A (en) * | 2013-09-03 | 2013-12-11 | 北京工业大学 | Sequencing batch bio-membrane reactor device and method capable of achieving partial nitrification |
| CN103693735A (en) * | 2013-12-26 | 2014-04-02 | 青岛思普润水处理有限公司 | Starting and running method for shortcut nitration technology based on MBBR |
| CN105384242A (en) * | 2015-12-28 | 2016-03-09 | 郑州轻工业学院 | Starting method of process for synchronously removing carbon, nitrogen and suspended matter in low carbon source wastewater through membrane bioreactor |
| US20160311713A1 (en) * | 2012-10-01 | 2016-10-27 | D.C. Water & Sewer Authority | Method and apparatus for maximizing nitrogen removal in wastewater |
-
2017
- 2017-03-21 CN CN201710167963.4A patent/CN106904732A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160311713A1 (en) * | 2012-10-01 | 2016-10-27 | D.C. Water & Sewer Authority | Method and apparatus for maximizing nitrogen removal in wastewater |
| CN103224285A (en) * | 2013-03-17 | 2013-07-31 | 北京工业大学 | Rapid starting method of membrane bioreactor shortcut nitration technology |
| CN103224284A (en) * | 2013-03-17 | 2013-07-31 | 北京工业大学 | Rapid starting method of membrane bioreactor completely-autotrophic nitrogen removal technology |
| CN103435161A (en) * | 2013-09-03 | 2013-12-11 | 北京工业大学 | Sequencing batch bio-membrane reactor device and method capable of achieving partial nitrification |
| CN103693735A (en) * | 2013-12-26 | 2014-04-02 | 青岛思普润水处理有限公司 | Starting and running method for shortcut nitration technology based on MBBR |
| CN105384242A (en) * | 2015-12-28 | 2016-03-09 | 郑州轻工业学院 | Starting method of process for synchronously removing carbon, nitrogen and suspended matter in low carbon source wastewater through membrane bioreactor |
Non-Patent Citations (2)
| Title |
|---|
| 苏东霞等: "曝停时间比对间歇曝气SBR短程硝化的影响", 《中国环境科学》 * |
| 马放等: "快速实现亚硝酸型硝化的试验研究", 《哈尔滨工业大学学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107253761A (en) * | 2017-07-31 | 2017-10-17 | 山东大学 | A kind of Anammox based on inactivated sludge quickly strengthens startup method |
| CN107253761B (en) * | 2017-07-31 | 2020-06-05 | 山东大学 | Anaerobic ammonia oxidation rapid enhanced starting method based on inactivated sludge |
| CN110054284A (en) * | 2019-05-31 | 2019-07-26 | 苏州科技大学 | The semi-hitrosation technique of municipal sewage treatment starts and control method |
| CN110127955A (en) * | 2019-06-12 | 2019-08-16 | 成都工业学院 | A kind of double pond manual controlled infusions and method for low C/N than wastewater efficient denitrogenation |
| CN110127955B (en) * | 2019-06-12 | 2024-04-30 | 成都工业学院 | Double-pond artificial rapid infiltration system and method for high-efficiency denitrification of low-C/N ratio sewage |
| CN113830887A (en) * | 2021-10-13 | 2021-12-24 | 北京工业大学 | Method for promoting short-cut nitrification to quickly start and improve sludge settling performance by exogenous N-butyryl-L-homoserine lactone |
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Application publication date: 20170630 |