CN106745746A - The leading integral anaerobic ammoxidation denitrification reactor of granule sludge and method - Google Patents
The leading integral anaerobic ammoxidation denitrification reactor of granule sludge and method 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
- 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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Abstract
The leading integral anaerobic ammoxidation denitrification reactor of granule sludge and method, it is related to a kind of short distance nitration Anammox integration denitrification reactor based on granule sludge and startup method, belongs to technical field of biological sewage treatment.The present invention is to produce nitrogen to be combined with floc sludge to solve the nitrite nitrogen in precipitate phase mixed liquor and ammonia nitrogen reaction, floc sludge may be caused to float, so as to deteriorate the technical problem of effluent quality.The reactor includes aeration pump, flowmeter, aeration plate, blow-down pipe, water inlet pipe, sample tap, water bath sleeve, reaction tube, on-line monitoring device, three phase separator, annular effluent trough, serrated end face, outlet pipe, escaping pipe, water seal aiutage, enters bucket and intake pump, method：First, system starts；2nd, operation program；3rd, the stable operation of reactor.It is higher than 85% using reactor nitrogen removal rate of the present invention stabilization.
Description
Technical field
The present invention relates to a kind of short distance nitration-anaerobic ammoxidation integration denitrification reactor based on granule sludge and startup
Method, belongs to technical field of biological sewage treatment.
Background technology
Short distance nitration-anaerobic ammoxidation autotrophic denitrification technology is a kind of new bio-denitrifying sewage technique.The technique has
Have save energy, without additional carbon, sludge yield it is small, reduce many advantages such as greenhouse gases.At present, short distance nitration-anaerobic
Ammoxidation autotrophic denitrification technique has been widely used for ammonia nitrogen high, the treatment of low ratio of carbon to ammonium waste water, and achieves good environment
Benefit and economic benefit.The operation principle of short distance nitration-anaerobic ammoxidation technique is, ammonia oxidation bacteria and anaerobic ammonia oxidizing bacteria is rich
Combine in same reactor, oxygen supply and mixing are carried out by aerator, the ammonia oxidizing bacteria in reactor is by sewage
Ammonium oxidation is nitrite nitrogen, and remaining ammonium oxidation is then nitrogen as electron acceptor with the nitrite nitrogen for producing by anaerobic ammonia oxidizing bacteria
Gas, so as to realize the purpose of biological denitrificaion.The microorganism of integral anaerobic ammoxidation autotrophic denitrification technique, often with floc sludge and
The form of granule sludge mixing is present.The oxygen mass transfer resistance of floc sludge is low, is conducive to ammonia oxidation bacteria to grow；And granule sludge
Sludge age it is long and oxygen mass transfer resistance is high, be conducive to the growth of anaerobic ammonia oxidizing bacteria.Practical Project operation in floc sludge and
The system that granule sludge coexists possesses certain advantage, but there is also some problem.First, floc sludge rate of rise compared with
Grain sludge faster, easily causes the mismatch of ammonia oxidizing bacteria and anaerobic ammonia oxidizing bacteria activity, so as to produce nitrous to accumulate go forward side by side
One step causes the suppression of anaerobic ammonia oxidizing bacteria.Secondly, the dissolved oxygen of the presence requirement system of floc sludge is kept low,
On the one hand cause nitrous to accumulate if improving dissolved oxygen, on the other hand can also cause the suppression of anaerobic ammonia oxidizing bacteria, this causes wadding
Total nitrogen elimination capacity in body and granule sludge symbiotic system is difficult to improve.Finally, the nitrous state in precipitate phase mixed liquor
Nitrogen and ammonia nitrogen reaction produce nitrogen to be combined with floc sludge, floc sludge may be caused to float, so as to deteriorate effluent quality.
The content of the invention
The invention aims to solve the nitrite nitrogen in precipitate phase mixed liquor and ammonia nitrogen reaction produce nitrogen with
Floc sludge is combined, and floc sludge may be caused to float, so as to deteriorate the technical problem of effluent quality, there is provided a kind of particle is dirty
The leading integral anaerobic ammoxidation denitrification reactor of mud and method.
The leading integral anaerobic ammoxidation denitrification reactor of granule sludge, the reactor includes aeration pump, flowmeter, exposure
Gas disk, blow-down pipe, water inlet pipe, sample tap, water bath sleeve, reaction tube, on-line monitoring device, three phase separator, annular effluent trough, sawtooth
Shape end face, outlet pipe, escaping pipe, water seal aiutage, enter bucket and intake pump, it is characterised in that reaction tube is from top to bottom provided with point
From section A, changeover portion B and conversion zone C, the internal diameter of the internal diameter less than segregation section A of conversion zone C, segregation section A upper surfaces peripherally set
There is serrated end face, segregation section A upper end edge outer walls are provided with annular effluent trough, and annular effluent trough upper end is provided with upper end cover, water seal row
Inflator is arranged on upper end cover, and escaping pipe is also disposed on upper end cover, and escaping pipe upper end is located on upper end cover, escaping pipe lower end position
In segregation section A, three phase separator is arranged in changeover portion B, and three phase separator upper end connects with escaping pipe, and on-line monitoring device sets
On the outer wall of conversion zone C, water bath sleeve is sleeved on conversion zone C, and water bath sleeve is provided with and several is taken with what reaction tube cavity was communicated
Sample mouthful and water inlet pipe, the lower end of conversion zone C are provided with bottom end cover, and blow-down pipe is arranged on bottom end cover and is located at water bath sleeve lower end, follows
Ring water inlet is arranged on bottom end cover and is located at reaction tube lower end, and aeration plate is arranged on reaction tube lower end and is located under water inlet pipe
Face, circulation pipe one end is connected with escaping pipe, and the other end is connected with circulation water inlet, and aeration pump and flowmeter pass through aeration tube and follow
Ring water inlet is connected, and enters bucket and is connected with water inlet pipe.
The leading integral anaerobic ammoxidation denitrogenation method of granule sludge is as follows：
First, system starts：
The mixing sludge of flco and particle is sieved by 500 μm of aperture sieves, retains particle of the particle diameter more than 500 μm dirty
Mud is simultaneously added in reactor, and floc sludge of the 1-2L particle diameters less than 200 μm is added in addition, reaches reactor sludge concentration
2000-3500mg/L, flco concentration is 100-175mg/L；
2nd, operation program：
Raw water by enter bucket through intake pump by water inlet pipe enter reactor in, to segregation section A in water level be located at zigzag
Intake during 5-10cm below end face and stopped, opening aeration pump and circulating pump aeration 23h, 3min is then precipitated, finally by sample tap
Draining 15min, observes the dissolved oxygen value of on-line monitoring device in course of reaction, adjust flowmeter, and dissolved oxygen is dense in control reactor
It is 0.05-0.35mg/L to spend, and pH value is 6.8-8.0 in reactor, and reactor temperature is 30-32 DEG C, reactor operation 15-
25d, as water outlet NH4 +- N concentration is 20-40mg/L, NO2 -- N concentration is 4-10mg/L, and reactor total nitrogen elimination capacity reaches
0.3-0.5kgN/(m3When d), the leading integral anaerobic ammoxidation denitrification system of granule sludge starts successfully；
3rd, the stable operation of reactor：
Control the hydraulic detention time of reactor for 6-12h, aeration pump and circulating pump continuously run, in control reactor
Dissolved oxygen is 0.3-1.0mg/L, and nitrite nitrogen concentration is 4-10mg/L in reactor, after sewage fully reacts in reaction tube,
Promoting the circulation of qi, solid, liquid three phase separation are entered by three phase separator, granule sludge flows into reaction tube, and water outlet is by going out serrated end face stream
Enter annular effluent trough, then flowed out by outlet pipe, residual air is then discharged by water seal aiutage in reactor, the upper up-flow in reactor
Speed can promote the small floc sludge of particle diameter with water outlet discharge system, that is, complete the leading integral anaerobic ammoxidation of granule sludge
Denitrogenation.
The regulation operation of stable operation stage：As the raising of reactor total nitrogen elimination capacity is, it is necessary to increase influent load
Given full play to the removal ability for ensureing reactor, the method for increasing influent load has：1. influent concentration is constant increases water inlet
Amount, hydraulic detention time accordingly shortens but is not less than 6h, that is, react load and often double, and inflow is doubled, accordingly
Hydraulic detention time shortens one times.2. the constant raising influent concentration of inflow, corresponding hydraulic detention time is constant, that is, react negative
Lotus is often doubled, and influent concentration is then doubled, but not higher than 700mg/L.Should basis while influent load is increased
Water outlet nitrite nitrogen and ammonia nitrogen concentration accordingly improve aeration rate so that water outlet nitrite nitrogen concentration maintains 4-10mg/L, ammonia nitrogen
Concentration maintains 20-40mg/L.When it is higher than 30mg/L to react water outlet nitrite nitrogen concentration, it should which regulation flowmeter 2 subtracts in time
Small aeration rate, while reduce flow of inlet water, until water outlet nitrite nitrogen concentration is less than below 10mg/L.
The present invention promotes in integral anaerobic ammoxidation system sludge form from flco by regulating and controlling the reactor method of operation
The mixed system that sludge and granule sludge coexist is converted to the unitary system that granule sludge is dominated, and can optimize microbial profile knot
Structure, solves the problems, such as mixed system, promotes the synergy between ammonia oxidation bacteria and anaerobic ammonia oxidizing bacteria, realizes integration
The optimization and stable operation of Anaerobic ammonium oxidation system.
The inventive method is divided into two stages.First stage is startup stage：It is mixed with floc sludge and granule sludge first
The integral anaerobic ammoxidation activity sludge of conjunction is seed sludge, by screening, eluriates floc sludge, carries out seed sludge and locates in advance
Reactor is added after reason.Then, the appropriate waterpower selection pressure of maintenance reaction device, gradually realizes ammonia oxidizing bacteria in granule sludge table
The enrichment and growth in face.Finally, granule sludge ultimately forms rational microbial profile structure：Outer layer is aerobic thin with ammonia oxidation bacteria etc.
Based on bacterium, inside particle based on anaerobic ammonia oxidizing bacteria, this also indicate the ripe of integral anaerobic ammonium oxidation granular sludge and
Stabilization.Second stage is stable operation stage, is continuously run using complete mix flow after Granular sludge formation, by water
The upflow velocity of stream provides hydraulic shear and selection is pressed, and for the lasting screening and elutriation of floc sludge, realizes being based on particle
The integral anaerobic ammoxidation autotrophic denitrification process stabilizing of sludge efficiently runs.
It is of the invention that there is following advantage compared with existing integral anaerobic ammoxidation denitrification process：
1) by screening, eluriate floc sludge and realize sludge system that flco+particle coexists to based on granule sludge
The transformation of integral system；
2) the integral anaerobic ammonia oxidation process sinking speed based on granule sludge is fast, reaction load is high, anti impulsion load
Ability is strong, reduce suppression of the dissolved oxygen to anaerobic ammonia oxidizing bacteria；
3) reactor uses sequencing batch operation mode in start-up course, is easy to regulation and control；Used after reactor start-up
Complete hybrid-type continuous stream mode operation, there is provided preferable hydraulics and upflow velocity, promotes formation and the flco of particle
Elutriation, be conducive to the stabilization of system；
Using built-in sedimentation basin, floor space is reduced, without sludge reflux, reduce energy consumption；Using gas circulation, it is ensured that
Good admixture and easily controllable LDO.
It is higher than 85% using reactor nitrogen removal rate of the present invention stabilization.
Brief description of the drawings
Fig. 1 is the structural representation of the leading integral anaerobic ammoxidation denitrification reactor of granule sludge of the present invention.
Specific embodiment
Technical solution of the present invention is not limited to act specific embodiment set forth below, also including between each specific embodiment
Any combination.
Specific embodiment one：The leading integral anaerobic ammoxidation denitrification reactor of present embodiment granule sludge, should
Reactor include aeration pump 1, flowmeter 2, aeration plate 4, blow-down pipe 5, water inlet pipe 6, sample tap 7, water bath sleeve 8, reaction tube 9,
Line monitor 10, three phase separator 11, annular effluent trough 12, serrated end face 13, outlet pipe 14, the exhaust of escaping pipe 15, water seal
Cylinder 16, enter bucket 17 and intake pump 18, it is characterised in that reaction tube 9 is from top to bottom provided with segregation section A, changeover portion B and conversion zone
Internal diameter of the internal diameter of C, conversion zone C less than segregation section A, segregation section A upper surfaces are peripherally provided with serrated end face 13, segregation section
A upper end edge outer walls are provided with annular effluent trough 12, and the upper end of annular effluent trough 12 is provided with upper end cover 19, and water seal aiutage 16 is arranged on
On end cap 19, escaping pipe 15 is also disposed on upper end cover 19, and the upper end of escaping pipe 15 is located on upper end cover 19, the lower end of escaping pipe 15 position
In segregation section A, three phase separator 11 is arranged in changeover portion B, and the upper end of three phase separator 11 connects with escaping pipe 15, online prison
Survey device 10 to be located on the outer wall of conversion zone C, water bath sleeve 8 is sleeved on conversion zone C, and water bath sleeve 8 is provided with and the inner chamber phase of reaction tube 9
Logical several sample taps 7 and water inlet pipe 6, the lower end of conversion zone C is provided with bottom end cover 21, and blow-down pipe 5 is arranged on bottom end cover 21 simultaneously
Positioned at the lower end of water bath sleeve 8, circulation water inlet 22 is arranged on bottom end cover 21 and is located at the lower end of reaction tube 9, and aeration plate 4 is arranged on instead
Should the lower end of pipe 9 and be located at water inlet pipe 6 below, the one end of circulation pipe 20 is connected with escaping pipe 15, the other end and circulate water inlet 22
It is connected, aeration pump 1 and flowmeter 2 are connected by aeration tube 24 with circulation water inlet 22, are entered bucket 17 and are connected with water inlet pipe 6.
Specific embodiment two：Present embodiment is provided with from the circulation pipe 20 unlike specific embodiment one and follows
Ring pump 3.Other are identical with specific embodiment one.
Specific embodiment three：Unlike one of present embodiment and specific embodiment one or two it is described enter bucket 17
Intake pump 18 is provided with between water inlet pipe 6.Other are identical with one of specific embodiment one or two.
Specific embodiment four：The integral anaerobic ammoxidation dominated using granule sludge described in specific embodiment one is taken off
The leading integral anaerobic ammoxidation denitrogenation method of Analysis granule sludge, the method is as follows：
First, system starts：
The mixing sludge of flco and particle is sieved by 500 μm of aperture sieves, retains particle of the particle diameter more than 500 μm dirty
Mud is simultaneously added in reactor, and floc sludge of the 1-2L particle diameters less than 200 μm is added in addition, reaches reactor sludge concentration
2000-3500mg/L, flco concentration is 100-175mg/L；
2nd, operation program：
Raw water by enter bucket 17 through intake pump 18 by water inlet pipe 6 enter reactor in, to segregation section A in water level be located at saw
Teethed end faces are intake during 5-10cm below 13 and are stopped, and open aeration pump 1 and the aeration 23h of circulating pump 3, then precipitate 3min, finally
By the draining 15min of sample tap 7, the dissolved oxygen value of on-line monitoring device 10 is observed in course of reaction, adjust flowmeter 2, control reaction
Dissolved oxygen concentration is 0.05-0.35mg/L in device, and pH value is 6.8-8.0 in reactor, and reactor temperature is 30-32 DEG C, instead
Device is answered to run 15-25d, as water outlet NH4 +- N concentration is 20-40mg/L, NO2 -- N concentration is 4-10mg/L, the removal of reactor total nitrogen
Load reaches 0.3-0.5kgN/ (m3When d), the leading integral anaerobic ammoxidation denitrification system of granule sludge starts successfully；
3rd, the stable operation of reactor：
Control the hydraulic detention time of reactor for 6-12h, aeration pump 1 and circulating pump 3 continuously run, in control reactor
Dissolved oxygen be 0.3-1.0mg/L, nitrite nitrogen concentration is 4-10mg/L in reactor, and sewage fully reacts in reaction tube 9
Afterwards, promoting the circulation of qi, solid, liquid three phase separation are entered by three phase separator 11, granule sludge flows into reaction tube 9, and water outlet is by going out zigzag
End face 13 flows into annular effluent trough 12, then is flowed out by outlet pipe 14, and residual air is then discharged by water seal aiutage 16 in reactor, instead
Answering the upflow velocity in device can promote the small floc sludge of particle diameter with water outlet discharge system, that is, complete granule sludge is dominated one
Body Anammox denitrogenation.
Specific embodiment five：Present embodiment from step 2 unlike specific embodiment four use NaHCO3Adjust
Section pH value.Other are identical with specific embodiment four.
Specific embodiment six：Present embodiment from device sludge is answered in step one unlike specific embodiment four or five
Concentration reaches 3000mg/L, and flco concentration is 150mg/L.Other are identical with specific embodiment four or five.
Specific embodiment seven：Controlled in step 2 unlike one of present embodiment and specific embodiment four to six
Dissolved oxygen concentration is 0.25mg/L in reactor.Other are identical with one of specific embodiment four to six.
Specific embodiment eight：Reacted in step 2 unlike one of present embodiment and specific embodiment four to seven
PH value is 7.0 in device.Other are identical with one of specific embodiment four to seven.
Specific embodiment nine：Waterpower in step 3 unlike one of present embodiment and specific embodiment four to eight
Residence time is 10h.Other are identical with one of specific embodiment four to eight.
Specific embodiment ten：Controlled in step 3 unlike one of present embodiment and specific embodiment four to nine
Dissolved oxygen in reactor is 0.5mg/L, and nitrite nitrogen concentration is 8mg/L in reactor.Other with specific embodiment four to
One of nine is identical.
Using following experimental verifications effect of the present invention：
Experiment one：
The leading integral anaerobic ammoxidation denitrogenation method method of granule sludge is as follows：
First, system starts：
The mixing sludge of flco and particle is sieved by 500 μm of aperture sieves, retains particle of the particle diameter more than 500 μm dirty
Mud is simultaneously added in reactor, and floc sludge of the 1-2L particle diameters less than 200 μm is added in addition, reaches reactor sludge concentration
2500-3100mg/L, flco concentration is 110-150mg/L；
2nd, operation program：
Raw water by enter bucket 17 through intake pump 18 by water inlet pipe 6 enter reactor in, to segregation section A in water level be located at saw
Teethed end faces are intake during 8cm below 13 and are stopped, and open aeration pump 1 and the aeration 23h of circulating pump 3,3min are then precipitated, finally by taking
7 draining 15min of sample mouthful, observe the dissolved oxygen value of on-line monitoring device 10 in course of reaction, flowmeter 2 is adjusted, in control reactor
Dissolved oxygen concentration is 0.1-0.3mg/L, and pH value is 7.0 (if inlet flow-patterm can be by adding NaHCO less than 7.0 in reactor3Adjust
Section), reactor temperature is 30-32 DEG C (by the temperature control for adjusting peripheral water-bath), and reactor operation 15-25d works as water outlet
NH4 +- N concentration is 30mg/L, NO2 -- N concentration (works as NO for 5mg/L in course of reaction2 -When-N concentration is higher than 30mg/L, should be timely
Aeration pump 1 is closed down, only open the circulation pump 3 is stirred.When nitrite nitrogen concentration is higher than 20mg/L, it is necessary to adjust flowmeter 2
To reduce aeration rate.), reactor total nitrogen elimination capacity reaches 0.3-0.5kgN/ (m3When d), the leading one of granule sludge
Change anaerobic ammoxidation denitrification system to start successfully；
3rd, the stable operation of reactor：
Control the hydraulic detention time of reactor for 6-12h, aeration pump 1 and circulating pump 3 continuously run, in control reactor
Dissolved oxygen be 0.3-1.0mg/L, nitrite nitrogen concentration is 4-10mg/L in reactor, and sewage fully reacts in reaction tube 9
Afterwards, promoting the circulation of qi, solid, liquid three phase separation are entered by three phase separator 11, granule sludge flows into reaction tube 9, and water outlet is by going out zigzag
End face 13 flows into annular effluent trough 12, then is flowed out by outlet pipe 14, and residual air is then discharged by water seal aiutage 16 in reactor, instead
Answering the upflow velocity in device can promote the small floc sludge of particle diameter with water outlet discharge system, that is, complete granule sludge is dominated one
Body Anammox denitrogenation.
The regulation operation of stable operation stage：As the raising of reactor total nitrogen elimination capacity is, it is necessary to increase influent load
Given full play to the removal ability for ensureing reactor, the method for increasing influent load has：1. influent concentration is constant increases water inlet
Amount, hydraulic detention time accordingly shortens but is not less than 6h, that is, react load and often double, and inflow is doubled, accordingly
Hydraulic detention time shortens one times.2. the constant raising influent concentration of inflow, corresponding hydraulic detention time is constant, that is, react negative
Lotus is often doubled, and influent concentration is then doubled, but not higher than 700mg/L.Should basis while influent load is increased
Water outlet nitrite nitrogen and ammonia nitrogen concentration accordingly improve aeration rate so that water outlet nitrite nitrogen concentration maintains 4-10mg/L, ammonia nitrogen
Concentration maintains 20-40mg/L.When it is higher than 30mg/L to react water outlet nitrite nitrogen concentration, it should which regulation flowmeter 2 subtracts in time
Small aeration rate, while reduce flow of inlet water, until water outlet nitrite nitrogen concentration is less than below 10mg/L.
Result of the test shows：The present invention21 days total nitrogen elimination capacities of reactor start-up can reach 0.36kgN/ (m3·d)
More than, floc sludge concentration accounts for the 7% of reactor mixed liquid concentration, 0.06- of the reactor dissolved oxygen concentration from initial start stage
0.15mg/L brings up to 0.20-0.35mg/L, and water outlet ammonia nitrogen concentration is less than 45mg/L, and nitrite nitrogen concentration maintains 0-18mg/
L, nitrogen removal rate reaches more than 80%, and nitrate nitrogen produces ratio continuously less than 8%, less than theoretical value 11%.Show reactor
Start successfully.
Reactor was run since the 22nd day using continuous stream, and 380-450mg/ is maintained using influent ammonium concentration is constant
L, flow of inlet water gradually increased operation reserve.Run by 35 days, reactor total nitrogen elimination capacity is from 0.36kgN/ (m3·d)
Bring up to 1.2kgN/ (m3D), and can stablize maintain.Nitrogen removal rate stabilization is higher than 85%.
Claims (10)
1. the integral anaerobic ammoxidation denitrification reactor that granule sludge is dominated, it is characterised in that the reactor includes aeration pump
(1), flowmeter (2), aeration plate (4), blow-down pipe (5), water inlet pipe (6), sample tap (7), water bath sleeve (8), reaction tube (9),
Line monitor (10), three phase separator (11), annular effluent trough (12), serrated end face (13), outlet pipe (14), escaping pipe
(15), water seal aiutage (16), enter bucket (17) and intake pump (18), it is characterised in that reaction tube (9) is from top to bottom provided with point
From section A, changeover portion B and conversion zone C, the internal diameter of the internal diameter less than segregation section A of conversion zone C, segregation section A upper surfaces peripherally set
There is serrated end face (13), segregation section A upper end edge outer walls are provided with annular effluent trough (12), and annular effluent trough (12) upper end is provided with
End cap (19), water seal aiutage (16) is arranged on upper end cover (19), and escaping pipe (15) is also disposed on upper end cover (19), outlet
Pipe (15) upper end is located on upper end cover (19), and escaping pipe (15) lower end is located in segregation section A, and three phase separator (11) was arranged on
Cross in section B, three phase separator (11) upper end connects with escaping pipe (15), on-line monitoring device (10) is located on the outer wall of conversion zone C,
Water bath sleeve (8) is sleeved on conversion zone C, water bath sleeve (8) be provided with several sample taps (7) for being communicated with reaction tube (9) inner chamber and
Water inlet pipe (6), the lower end of conversion zone C is provided with bottom end cover (21), and blow-down pipe (5) is arranged on bottom end cover (21) and positioned at water bath sleeve
(8) lower end, circulation water inlet (22) is arranged on bottom end cover (21) and positioned at reaction tube (9) lower end, and aeration plate (4) is arranged on instead
Should manage (9) lower end and be located at water inlet pipe (6) below, circulation pipe (20) one end is connected with escaping pipe (15), the other end and circulate
Water inlet (22) is connected, and aeration pump (1) and flowmeter (2) are connected by aeration tube (24) with circulation water inlet (22), enter bucket
(17) it is connected with water inlet pipe (6).
2. the integral anaerobic ammoxidation denitrification reactor that granule sludge is dominated according to claim 1, it is characterised in that institute
State circulation pipe (20) and be provided with circulating pump (3).
3. the integral anaerobic ammoxidation denitrification reactor that granule sludge is dominated according to claim 1, it is characterised in that institute
State into being provided with intake pump (18) between bucket (17) and water inlet pipe (6).
4. the integral anaerobic ammoxidation denitrogenation method that granule sludge is dominated, it is characterised in that the method is as follows：
First, system starts：
The mixing sludge of flco and particle is sieved by 500 μm of aperture sieves, retains granule sludge of the particle diameter more than 500 μm simultaneously
It is added in reactor, floc sludge of the 1-2L particle diameters less than 200 μm is added in addition, reactor sludge concentration is reached 2000-
3500mg/L, flco concentration is 100-175mg/L；
2nd, operation program：
Raw water by enter bucket (17) through intake pump (18) by water inlet pipe (6) enter reactor in, to segregation section A in water level be located at
Intake during serrated end face (13) following 5-10cm and stopped, opening aeration pump (1) and circulating pump (3) aeration 23h, then precipitated
3min, finally by sample tap (7) draining 15min, observes the dissolved oxygen value of on-line monitoring device (10) in course of reaction, adjust flow
Meter (2), dissolved oxygen concentration is 0.05-0.35mg/L in controlling reactor, and pH value is 6.8-8.0 in reactor, temperature in reactor
It is 30-32 DEG C to spend, reactor operation 15-25d, as water outlet NH4 +- N concentration is 20-40mg/L, NO2 -- N concentration is 4-10mg/L,
Reactor total nitrogen elimination capacity reaches 0.3-0.5kgN/ (m3When d), the leading integral anaerobic ammoxidation denitrogenation of granule sludge
System starts successfully；
3rd, the stable operation of reactor：
Control the hydraulic detention time of reactor for 6-12h, aeration pump (1) and circulating pump (3) continuously run, in control reactor
Dissolved oxygen be 0.3-1.0mg/L, nitrite nitrogen concentration is 4-10mg/L in reactor, and sewage is fully anti-in reaction tube (9)
Ying Hou, promoting the circulation of qi, solid, liquid three phase separation are entered by three phase separator (11), and granule sludge flows into reaction tube (9), and water outlet passes through
Serrated end face (13) flows into annular effluent trough (12), then is flowed out by outlet pipe (14), and residual air is then arranged by water seal in reactor
Inflator (16) is discharged, and the upflow velocity in reactor can promote the small floc sludge of particle diameter with water outlet discharge system, that is, complete
The leading integral anaerobic ammoxidation denitrogenation of granule sludge.
5. the integral anaerobic ammoxidation denitrogenation method that granule sludge is dominated according to claim 4, it is characterised in that step
NaHCO is used in two3Regulation pH value.
6. the integral anaerobic ammoxidation denitrogenation method that granule sludge is dominated according to claim 4, it is characterised in that step
Device sludge concentration is answered to reach 3000mg/L in one, flco concentration is 150mg/L.
7. the integral anaerobic ammoxidation denitrogenation method that granule sludge is dominated according to claim 4, it is characterised in that step
Dissolved oxygen concentration is 0.25mg/L during reactor is controlled in two.
8. the integral anaerobic ammoxidation denitrogenation method that granule sludge is dominated according to claim 4, it is characterised in that step
PH value is 7.0 in reactor in two.
9. the integral anaerobic ammoxidation denitrogenation method that granule sludge is dominated according to claim 4, it is characterised in that step
Hydraulic detention time is 10h in three.
10. the integral anaerobic ammoxidation denitrogenation method that granule sludge is dominated according to claim 4, it is characterised in that step
The dissolved oxygen in reactor is controlled in three for 0.5mg/L, nitrite nitrogen concentration is 8mg/L in reactor.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162186A (en) * | 2017-06-20 | 2017-09-15 | 北京工业大学 | A kind of apparatus and method of the municipal sewage Anammox autotrophic denitrification based on granule sludge |
| CN108793581A (en) * | 2018-02-08 | 2018-11-13 | 厦门润垣环保科技有限公司 | A kind of high-concentration ammonia nitrogenous wastewater bioremediation |
| CN108793404A (en) * | 2018-02-08 | 2018-11-13 | 厦门润垣环保科技有限公司 | A kind of half digestion ammoxidation reaction device |
| CN109319929A (en) * | 2018-12-14 | 2019-02-12 | 湖南军信环保股份有限公司 | A kind of novel integrated Anammox reaction system |
| CN109502744A (en) * | 2018-12-04 | 2019-03-22 | 东华理工大学 | A kind of multi-functional sewage processing mechanics experimental apparatus and method |
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| CN111547853A (en) * | 2020-05-22 | 2020-08-18 | 广西春晖环保工程有限责任公司 | Denitrification process of double shortcut nitrification-anaerobic ammonia oxidation |
| CN111847641A (en) * | 2020-08-24 | 2020-10-30 | 安平县弘嘉环保技术有限公司 | Short-cut nitrification anaerobic ammonia oxidation reaction device and method for realizing sequential batch/continuous flow |
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| CN114212886A (en) * | 2021-12-10 | 2022-03-22 | 北京城市排水集团有限责任公司 | Anaerobic ammonia oxidation granular sludge screening device and method |
| CN114275894A (en) * | 2021-12-09 | 2022-04-05 | 江南大学 | Efficient denitrification reactor system and quick starting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107162186A (en) * | 2017-06-20 | 2017-09-15 | 北京工业大学 | A kind of apparatus and method of the municipal sewage Anammox autotrophic denitrification based on granule sludge |
| CN108793581A (en) * | 2018-02-08 | 2018-11-13 | 厦门润垣环保科技有限公司 | A kind of high-concentration ammonia nitrogenous wastewater bioremediation |
| CN108793404A (en) * | 2018-02-08 | 2018-11-13 | 厦门润垣环保科技有限公司 | A kind of half digestion ammoxidation reaction device |
| CN109502744A (en) * | 2018-12-04 | 2019-03-22 | 东华理工大学 | A kind of multi-functional sewage processing mechanics experimental apparatus and method |
| CN109319929A (en) * | 2018-12-14 | 2019-02-12 | 湖南军信环保股份有限公司 | A kind of novel integrated Anammox reaction system |
| CN109678244B (en) * | 2019-01-14 | 2021-10-01 | 北京工业大学 | Device and method for enrichment culture of anaerobic ammonium oxidation bacteria under low inoculation amount |
| CN109678244A (en) * | 2019-01-14 | 2019-04-26 | 北京工业大学 | The device and method of enrichment culture anaerobic ammonia oxidizing bacteria under a kind of low inoculum concentration |
| CN111547853A (en) * | 2020-05-22 | 2020-08-18 | 广西春晖环保工程有限责任公司 | Denitrification process of double shortcut nitrification-anaerobic ammonia oxidation |
| CN111847641A (en) * | 2020-08-24 | 2020-10-30 | 安平县弘嘉环保技术有限公司 | Short-cut nitrification anaerobic ammonia oxidation reaction device and method for realizing sequential batch/continuous flow |
| CN112645450A (en) * | 2020-12-24 | 2021-04-13 | 北京化工大学 | Device and process for treating municipal sewage by using micro-aerobic upflow biological filter |
| CN112645450B (en) * | 2020-12-24 | 2022-07-26 | 北京化工大学 | Device and process for treating municipal sewage by using micro-aerobic upflow biological filter |
| CN114275894A (en) * | 2021-12-09 | 2022-04-05 | 江南大学 | Efficient denitrification reactor system and quick starting method thereof |
| CN114212886A (en) * | 2021-12-10 | 2022-03-22 | 北京城市排水集团有限责任公司 | Anaerobic ammonia oxidation granular sludge screening device and method |
| CN114212886B (en) * | 2021-12-10 | 2023-11-03 | 北京城市排水集团有限责任公司 | Anaerobic ammonia oxidation granular sludge screening device and method |
| CN115180720A (en) * | 2022-08-18 | 2022-10-14 | 北京工业大学 | Integrated anaerobic ammonia oxidation granular sludge self-gas release device and method |
| CN115180720B (en) * | 2022-08-18 | 2024-04-05 | 北京工业大学 | Integrated anaerobic ammonia oxidation granular sludge self-gas release device and method |
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