CN107381808A - The integrated high-efficiency nitrogen rejection facility and method of a kind of sewage automatic cycle - Google Patents
The integrated high-efficiency nitrogen rejection facility and method of a kind of sewage automatic cycle Download PDFInfo
- Publication number
- CN107381808A CN107381808A CN201710566667.1A CN201710566667A CN107381808A CN 107381808 A CN107381808 A CN 107381808A CN 201710566667 A CN201710566667 A CN 201710566667A CN 107381808 A CN107381808 A CN 107381808A
- Authority
- CN
- China
- Prior art keywords
- sewage
- nitrogen
- aeration
- packing area
- stillpot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The integrated high-efficiency nitrogen rejection facility of the sewage automatic cycle of the present invention, including tank body, stillpot and return duct, packing area and aeration zone is provided with tank body, is characterised by：The sludge for being inoculated with nitrococcus and anaerobic ammonia oxidizing bacteria is set in packing area；The upper end of return duct communicates with aeration zone, and the lower end of return duct communicates with the low side of stillpot and tank body.The denitrogenation method of the present invention, including：A) sewage flows into；B) Air Exposures；C) sewage backflows；D) aerobic ammonia oxidations act on；E) Anammoxs act on；F) circular treatments.The efficient denitrification device and method of the present invention, automatic cycle of the sewage in aeration zone, stillpot and packing area can be achieved and flow, without setting up recycle unit, reduce cost；Using the collective effect of anaerobic ammonia oxidizing bacteria inside filler and the nitrococcus of Sludge Surface, and filler and sludge, the efficient removing of ammonia nitrogen in sewage is realized, there is the advantages of low energy consumption, ammonia nitrogen removal efficiency high.
Description
Technical field
The present invention relates to a kind of nitrogen rejection facility and method, in particular, more particularly to a kind of aeration aerating and nitrosation-
Anammox denitrification process combines, and realizes that the integration for the sewage automatic cycle that effluent cycle flows is high by aerodynamic force
Imitate nitrogen rejection facility and method.
Background technology
Nitrogen is an important factor for causing body eutrophication and water environment pollution, and nitrogen is in sewage with molecular nitrogen, organic
The diversified forms such as nitrogen, ammoniacal nitrogen, nitrate nitrogen and nitrite nitrogen are present, and wherein ammonia nitrogen is one of most important existence form, and
The removal object of environmental workers' primary study at present.Traditional physical-chemical process denitrogenation, operating cost is high, recovery is difficult,
Secondary pollution is easily caused, therefore bioanalysis denitrogenation becomes current hotspot research application direction.Among these, anaerobic ammonia oxidation pair
The treatment effect of high-concentration ammonia nitrogenous wastewater is excellent, shows one's talent from numerous denitrification organisms methods, but this method is still suffered from and can not incited somebody to action
The problems such as nitrogen removes completely, and anaerobic ammonia oxidizing bacteria growth cycle is long.
It is directed to the processing of high-concentration ammonia nitrogenous wastewater such as sludge-digestion liquid, chemical fertilizer plant drainage, physico-chemical process and anaerobism ammonia oxygen
The treatment effect of change method can also be affected, and can have situations such as nitrogen removal efficiency is low.It is the present invention is intended to provide a kind of
Nitrogen removal efficiency can be improved, reducing energy consumption makes the simple apparatus and method of equipment.
The content of the invention
The shortcomings that present invention is in order to overcome above-mentioned technical problem, there is provided a kind of integrated high-efficiency of sewage automatic cycle takes off
Nitrogen device and method.
The integrated high-efficiency nitrogen rejection facility of the sewage automatic cycle of the present invention, including internal tank body, stillpot for cavity
And return duct, the lower end and upper end of tank body are respectively arranged with the water inlet and delivery port that are communicated with its internal cavities, tank interior
The bottom of cavity is provided with supporting layer, and middle part is provided with separate layer, and supporting layer on separate layer with being evenly distributed with through hole；Support
The packing area filled with filler is formed between layer and separate layer, the top of separate layer is aeration zone, is evenly distributed with aeration zone
More aeration tubes, aeration tube are connected through air inlet with aerator；It is characterized in that：Set in packing area and be inoculated with nitrosation
Bacterium and the sludge of anaerobic ammonia oxidizing bacteria；The upper end of return duct communicates with aeration zone, the lower end of return duct and stillpot and tank body
Bottom is communicated, and mud discharging mouth is provided with stillpot.
The connectivity part of the integrated high-efficiency nitrogen rejection facility of the sewage automatic cycle of the present invention, the aeration zone and return duct
Highly it is less than the height of delivery port, is flowed back after being aerated so as to treatment sewage through return duct.
The integrated high-efficiency nitrogen rejection facility of the sewage automatic cycle of the present invention, the treatment sewage entered by water inlet is through filling out
Material area enters aeration zone, is fully contacted with oxygen in the presence of aeration tube；Sewage after aeration precipitates through being flowed into through return duct
Groove, the light weight sludge in sewage are deposited in the bottom of stillpot；Sewage enters packing area by stillpot again, the nitrous in packing area
It is nitrite nitrogen to change bacterium by the part mineralized nitrogen in sewage after oxygenation, and anaerobic ammonia oxidizing bacteria is by nitrite nitrogen and remaining mineralized nitrogen
For nitrogen and nitrate nitrogen.
The present invention sewage automatic cycle integrated high-efficiency nitrogen rejection facility denitrogenation method, it is characterised in that by with
Lower method is realized：
A) sewage flows into, and pending sewage is injected from water inlet, sewage first flows through packing area, then carries in packing area
Light weight sludge enters aeration zone；B) Air Exposures, aerator blast air into aeration zone by aeration tube, make sewage with
Oxygen in air fully contacts, so as to dissolve a certain amount of oxygen in sewage；C) sewage backflows, the sewage after aeration pass through back
Flow tube flows into stillpot first, and the light weight sludge carried in sewage is deposited in the bottom of stillpot；Then sewage is entered by stillpot
Enter the bottom of packing area, realize that water distribution uniformity of the sewage in packing area acts in the presence of supporting layer；D) aerobic ammonia oxidations are made
With after sewage enters packing area by stillpot, the nitrococcus of filler surface and free Sludge Surface utilizes molten in packing area
It is nitrite nitrogen that oxygen, which is solved, by part mineralized nitrogen；E) Anammoxs act on, inside filler and free after sewage enters packing area
Sludge inside anaerobic ammonia oxidizing bacteria by nitrite nitrogen and remaining mineralized nitrogen be nitrogen and part nitrate nitrogen；F) circular treatments,
After sewage is aerated again by packing area into aeration zone, then flow back through return duct, realize the circular treatment of sewage, reach
The Efficient Conversion of ammonia nitrogen.
The denitrogenation method of the integrated high-efficiency nitrogen rejection facility of the sewage automatic cycle of the present invention, the aeration described in step b)
In processing procedure, the aeration quantity that aerator is passed through through aeration tube is insufficient to allow the ammonia nitrogen in sewage to be completely converted into nitrite nitrogen,
But meet that in the presence of nitrococcus be nitrite nitrogen by part mineralized nitrogen, work of the remaining ammonia nitrogen in anaerobic ammonia oxidizing bacteria
With lower nitrogen and part nitrate nitrogen are converted into nitrite nitrogen.
The beneficial effects of the invention are as follows：The efficient denitrification device of the present invention, separate layer and supporting layer in tank body are by tank body
Internal cavities be divided into packing area and aeration zone, filler and sludge are provided with packing area, aeration tube is provided with aeration zone；
The sewage flowed into by water inlet initially enters packing area, and carries the light weight sludge without processing effect and enter aeration by packing area
Area, the air entered by aeration tube realize that to the aeration of sewage in aeration zone the sewage after aeration flows into stillpot by return duct,
The light weight sludge carried in sewage is deposited in the bottom of stillpot；Enter the sewage of packing area by stillpot, in filler and dissociate
Sludge surface nitrococcus in the presence of, the part mineralized nitrogen in sewage is nitrite nitrogen, in filler and free sludge
Inside anaerobic ammonia oxidizing bacteria in the presence of, remaining ammonia nitrogen and nitrite nitrogen are converted into nitrogen and part nitrate nitrogen in sewage, realize
The removal of ammonia nitrogen in sewage.With the continuous entrance of sewage, and with return duct in external connection, the sewage of aeration zone is due to drum
Enter micro-bubble and density reduces and pours in return duct, then enter from packing area bottom, realize the automatic cycle flowing of sewage, so
Circulation, has reached the Efficient Conversion of ammonia nitrogen.
The present invention efficient denitrification device, in the presence of sewage is passed through and be aerated, you can realize sewage aeration zone, sink
Shallow lake groove and the flowing of the automatic cycle of packing area, without setting up recycle unit, simplify the structure of nitrogen rejection facility, reduce at sewage
Manage cost；Utilize anaerobic ammonia oxidizing bacteria inside filler in packing area and the nitrococcus of Sludge Surface, and filler and sludge
Collective effect, the efficient removing of ammonia nitrogen in sewage is realized, there is the advantages of low energy consumption, ammonia nitrogen removal efficiency high.
Brief description of the drawings
Fig. 1 is the structural representation of the integrated high-efficiency nitrogen rejection facility of the sewage automatic cycle of the present invention.
In figure：1 delivery port, 2 separate layers, 3 packing areas, 4 water inlets, 5 supporting layers, 6 air inlets, 7 aeration tubes, 8 aeration zones,
9 return ducts, 10 mud discharging mouths, 11 stillpots, 12 tank bodies.
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, the structural representation of the integrated high-efficiency nitrogen rejection facility of the sewage automatic cycle of the present invention is given,
It is made up of tank body 12, water inlet 4, delivery port 1, aeration tube 7, return duct 9, stillpot 11, and the inside of shown tank body 12 is sky
Chamber, water inlet 4 and delivery port 1 are set respectively and the lower end and upper end of tank body, and is communicated in the internal cavities of tank body 12.Shown tank
The bottom of the internal cavities of body 12 is provided with supporting layer 5, and middle part is provided with separate layer 2, uniformly opened on supporting layer 5 and separate layer 2
Provided with through hole.Packing area 3 is formed between supporting layer 5 and separate layer 2, the top of separate layer 2 is aeration zone 8, is set in aeration zone 8
There are more aeration tubes 7.Aeration zone 8 communicates through return duct 9 with the bottom of stillpot 11 and packing area 3.Aeration zone 8 and return duct 9
The height of connectivity part is less than the height of delivery port 1, to ensure circulating for sewage.
Filler and sludge are provided with packing area 3, filler can use silk ribbon or the ball float with holes being tied, be connect in sludge
Kind has nitrococcus and anaerobic ammonia oxidizing bacteria.Filler surface and the internal attachment for being advantageous to nitrococcus and anaerobic ammonia oxidizing bacteria and
Growth, add the processing area of sewage.Shown aeration tube 7 is connected through air inlet 6 with aerator, and aerator is through aeration
Pipe 7 is passed through air into sewage, so that sewage fully contacts with oxygen；The sewage of aeration zone 8 is close due to blasting micro-bubble
Degree reduction pours in return duct 9, and the sewage to be flowed back through return duct 9 first flows through stillpot 11, then flows into packing area 3 by stillpot 11
In, during packing area 3 is flowed into, supporting layer 5 can realize that water distribution uniformity acts on.
Due to the bottom of the top of the connection of return duct 9 aeration zone 8, stillpot 11 and packing area 3, sewage is entered by packing area 3
Enter aeration zone 8, through return duct 9, flow into stillpot 11 and enter again from the bottom of aeration zone 8, realize sewage following in two regions
Ring.Nitric wastewater enters packing area 3 through water inlet 4, then is fully contacted with oxygen into aeration zone 8 by packing area 3, sewage by
Return duct 9 flows into from the bottom of packing area 3 again by stillpot 11, and the sewage for again flowing into packing area 3 passes through supporting layer, uniformly divides
Cloth is on the cross-section of river.
Gas blasts aeration zone by aeration tube 7, and sewage is oxygenated, and more aeration tubes 7 make the bubble that blasts small,
Make the density of aeration zone reduce, promote sewage to flow into return duct 9, during by stillpot 11, the light weight sludge that is carried in sewage with
Precipitation, the mode of retention stay in bottom land, and subsequent sewage flows into from the bottom of packing area 3 again, form the self-loopa flowing of sewage.More
Aeration tube 7 makes gap in aeration zone narrow and small, prevents larger sludge to flow out packing area jointly with separate layer 2, prevents sludge loss.
Part mineralized nitrogen be nitrite nitrogen using oxygen by the nitrococcus of filler surface and free Sludge Surface, inside filler and is dissociated
Sludge inside anaerobic ammonia oxidizing bacteria by nitrite nitrogen and remaining mineralized nitrogen be nitrogen and part nitrate nitrogen.
Wherein sewage is oxygenated in aeration zone 8, and the nitrite bacteria for packing area 3 provides electron donor（Oxygen）, then for
Anaerobic ammonia oxidizing bacteria provides nitrite nitrogen, promotes the progress of Anammox effect；Accurate control to aeration quantity, and to dissolving
The accurate control of oxygen, the optimum state of biochemical reaction is grasped, be allowed to that nitrogen is carried out efficiently to convert and remove.
The present invention sewage automatic cycle integrated high-efficiency nitrogen rejection facility denitrogenation method, it is characterised in that by with
Lower method is realized：
A) sewage flows into, and pending sewage is injected from water inlet, sewage first flows through packing area, then carries in packing area
Light weight sludge enters aeration zone；
B) Air Exposures, aerator blast air into aeration zone by aeration tube, make sewage and the oxygen in air abundant
Contact, so as to dissolve a certain amount of oxygen in sewage；
In the step, during described Air Exposure, aerator is through aeration tube（7）The aeration quantity being passed through is insufficient to allow sewage
In ammonia nitrogen be completely converted into nitrite nitrogen, but meet that in the presence of nitrococcus be nitrite nitrogen by part mineralized nitrogen, it is surplus
Remaining ammonia nitrogen is converted into nitrogen and part nitrate nitrogen in the presence of anaerobic ammonia oxidizing bacteria with nitrite nitrogen.
C) sewage backflows, the sewage after aeration flow into stillpot first through return duct, and the light weight sludge carried in sewage sinks
Form sediment in the bottom of stillpot；Then sewage is entered the bottom of packing area by stillpot, realizes that sewage exists in the presence of supporting layer
The water distribution uniformity effect of packing area；
D) aerobic ammonia oxidations act on, after sewage enters packing area by stillpot, filler surface and free sludge table in packing area
Part mineralized nitrogen is nitrite nitrogen using dissolved oxygen by the nitrococcus in face；
E) Anammoxs act on, after sewage enters packing area, the anaerobic ammonia oxidizing bacteria inside filler and inside free sludge
It is nitrogen and part nitrate nitrogen by nitrite nitrogen and remaining mineralized nitrogen；
F) circular treatments, after sewage is aerated again by packing area into aeration zone, then flow back through return duct, realize sewage
Circular treatment, reached the Efficient Conversion of ammonia nitrogen.
Claims (5)
1. a kind of integrated high-efficiency nitrogen rejection facility of sewage automatic cycle, including the internal tank body for cavity（12）, stillpot
（11）And return duct（9）, the lower end and upper end of tank body are respectively arranged with the water inlet communicated with its internal cavities（4）And delivery port
（1）, the bottom of tank interior cavity is provided with supporting layer（5）, middle part is provided with separate layer（2）, on supporting layer and separate layer
It is evenly distributed with through hole；The packing area filled with filler is formed between supporting layer and separate layer（3）, the top of separate layer is aeration
Area（8）, more aeration tubes are evenly distributed with aeration zone（7）, aeration tube is through air inlet（6）It is connected with aerator；It is special
Sign is：The sludge for being inoculated with nitrococcus and anaerobic ammonia oxidizing bacteria is set in packing area；The upper end of return duct and aeration zone phase
Logical, the lower end of return duct is communicated with the bottom of stillpot and tank body, and mud discharging mouth is provided with stillpot（10）.
2. the integrated high-efficiency nitrogen rejection facility of sewage automatic cycle according to claim 1, it is characterised in that：The aeration
Area（8）With return duct（9）The height of connectivity part be less than delivery port（1）Height, so as to treatment sewage be aerated after through backflow
Pipe（9）Backflow.
3. the integrated high-efficiency nitrogen rejection facility of sewage automatic cycle according to claim 1 or 2, it is characterised in that：By entering
The mouth of a river（4）The treatment sewage of entrance is through packing area（3）Into aeration zone（8）, in aeration tube（7）In the presence of it is abundant with oxygen
Contact；Sewage after aeration is through through return duct（9）Flow into stillpot（11）, the light weight sludge in sewage is deposited in the bottom of stillpot
Portion；Sewage enters packing area by stillpot again, and the part mineralized nitrogen in sewage after oxygenation is by the nitrococcus in packing area
Nitrite nitrogen and remaining mineralized nitrogen are nitrogen and nitrate nitrogen by nitrite nitrogen, anaerobic ammonia oxidizing bacteria.
4. a kind of denitrogenation method of the integrated high-efficiency nitrogen rejection facility of the sewage automatic cycle based on described in claim 1, it is special
Sign is, realizes by the following method：
A) sewage flows into, and pending sewage is injected from water inlet, sewage first flows through packing area, then carries in packing area
Light weight sludge enters aeration zone；
B) Air Exposures, aerator blast air into aeration zone by aeration tube, make sewage and the oxygen in air abundant
Contact, so as to dissolve a certain amount of oxygen in sewage；
C) sewage backflows, the sewage after aeration flow into stillpot first through return duct, and the light weight sludge carried in sewage is deposited in
The bottom of stillpot；Then sewage is entered the bottom of packing area by stillpot, realizes sewage in filler in the presence of supporting layer
The water distribution uniformity effect in area；
D) aerobic ammonia oxidations act on, after sewage enters packing area by stillpot, filler surface and free sludge table in packing area
Part mineralized nitrogen is nitrite nitrogen using dissolved oxygen by the nitrococcus in face；
E) Anammoxs act on, after sewage enters packing area, the anaerobic ammonia oxidizing bacteria inside filler and inside free sludge
It is nitrogen and part nitrate nitrogen by nitrite nitrogen and remaining mineralized nitrogen；
F) circular treatments, after sewage is aerated again by packing area into aeration zone, then flow back through return duct, realize sewage
Circular treatment, reached the Efficient Conversion of ammonia nitrogen.
5. a kind of denitrogenation method of the integrated high-efficiency nitrogen rejection facility of the sewage automatic cycle based on described in claim 1, it is special
Sign is that during the Air Exposure described in step b), aerator is through aeration tube（7）The aeration quantity being passed through is insufficient to allow dirt
Ammonia nitrogen in water is completely converted into nitrite nitrogen, but meets that in the presence of nitrococcus be nitrite nitrogen by part mineralized nitrogen,
Remaining ammonia nitrogen is converted into nitrogen and part nitrate nitrogen in the presence of anaerobic ammonia oxidizing bacteria with nitrite nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566667.1A CN107381808B (en) | 2017-07-12 | 2017-07-12 | Integrated efficient denitrification device and method for automatic sewage circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710566667.1A CN107381808B (en) | 2017-07-12 | 2017-07-12 | Integrated efficient denitrification device and method for automatic sewage circulation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107381808A true CN107381808A (en) | 2017-11-24 |
| CN107381808B CN107381808B (en) | 2020-09-22 |
Family
ID=60340446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710566667.1A Active CN107381808B (en) | 2017-07-12 | 2017-07-12 | Integrated efficient denitrification device and method for automatic sewage circulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107381808B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123989A1 (en) * | 2021-12-29 | 2023-07-06 | 苏州科技大学 | Municipal wastewater denitrification treatment device and method |
| CN116750934A (en) * | 2023-08-18 | 2023-09-15 | 四川发展环境科学技术研究院有限公司 | Automatic control device and system based on anaerobic ammonia oxidation reaction |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6268595A (en) * | 1985-09-20 | 1987-03-28 | Hitachi Plant Eng & Constr Co Ltd | Treatment of domestic animal waste water |
| JPH10165975A (en) * | 1996-12-09 | 1998-06-23 | Hitachi Plant Eng & Constr Co Ltd | Waste water treatment apparatus with carrier expansion phase |
| CN101054236A (en) * | 2007-05-28 | 2007-10-17 | 北京市环境保护科学研究院 | Denitrogenation method for nitrosation-anaerobic ammoxidation single stage organism |
| CN201024125Y (en) * | 2007-02-07 | 2008-02-20 | 北京市环境保护科学研究院 | Nitrosation-anaerobic ammonium oxidation coupled synergistic biological denitrification device |
| CN202849200U (en) * | 2012-08-15 | 2013-04-03 | 北京城市排水集团有限责任公司 | Integrated autotrophic nitrogen removing device of granular sludge |
| CN204508917U (en) * | 2015-01-07 | 2015-07-29 | 山东建筑大学 | A kind of aerobic, anaerobism combined type aeration type wastewater treatment equipment |
| CN105481210A (en) * | 2016-02-26 | 2016-04-13 | 北京化工大学 | Combined sewage denitrification process and device having automatic cyclic flowing function |
| CN205347126U (en) * | 2015-12-29 | 2016-06-29 | 帕克环保技术(上海)有限公司 | Integration biological denitrification reactor |
-
2017
- 2017-07-12 CN CN201710566667.1A patent/CN107381808B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6268595A (en) * | 1985-09-20 | 1987-03-28 | Hitachi Plant Eng & Constr Co Ltd | Treatment of domestic animal waste water |
| JPH10165975A (en) * | 1996-12-09 | 1998-06-23 | Hitachi Plant Eng & Constr Co Ltd | Waste water treatment apparatus with carrier expansion phase |
| CN201024125Y (en) * | 2007-02-07 | 2008-02-20 | 北京市环境保护科学研究院 | Nitrosation-anaerobic ammonium oxidation coupled synergistic biological denitrification device |
| CN101054236A (en) * | 2007-05-28 | 2007-10-17 | 北京市环境保护科学研究院 | Denitrogenation method for nitrosation-anaerobic ammoxidation single stage organism |
| CN202849200U (en) * | 2012-08-15 | 2013-04-03 | 北京城市排水集团有限责任公司 | Integrated autotrophic nitrogen removing device of granular sludge |
| CN204508917U (en) * | 2015-01-07 | 2015-07-29 | 山东建筑大学 | A kind of aerobic, anaerobism combined type aeration type wastewater treatment equipment |
| CN205347126U (en) * | 2015-12-29 | 2016-06-29 | 帕克环保技术(上海)有限公司 | Integration biological denitrification reactor |
| CN105481210A (en) * | 2016-02-26 | 2016-04-13 | 北京化工大学 | Combined sewage denitrification process and device having automatic cyclic flowing function |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123989A1 (en) * | 2021-12-29 | 2023-07-06 | 苏州科技大学 | Municipal wastewater denitrification treatment device and method |
| CN116750934A (en) * | 2023-08-18 | 2023-09-15 | 四川发展环境科学技术研究院有限公司 | Automatic control device and system based on anaerobic ammonia oxidation reaction |
| CN116750934B (en) * | 2023-08-18 | 2023-11-14 | 四川发展环境科学技术研究院有限公司 | Automatic control device and system based on anaerobic ammonia oxidation reaction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107381808B (en) | 2020-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105502657B (en) | A kind of device and method for being aerated the circulating processing high-concentration ammonia nitrogenous wastewater of anaerobism | |
| CN105481210B (en) | A kind of the sewage water denitrification group technology and device of automatic cycle flowing | |
| CN105347489B (en) | A kind of efficiently integrated integrated sewage treating apparatus | |
| CN105948238B (en) | A kind of tower self-loopa aerobic degradation reactor | |
| CN102180543B (en) | Highly-efficient stable bio-doubling sewage treatment device | |
| CN105330108B (en) | Utilize anaerobism-catalytic oxidation biofilm reactor processing sanitary sewage method and processing unit | |
| CN107311309B (en) | Up-flow internal circulation micro-oxygen bioreactor, aeration method for strengthening mass transfer and using method thereof | |
| CN105502851A (en) | Method and device for removing and recycling nitrogen and phosphorus in biogas slurry | |
| CN205258127U (en) | Circulatory flow loop type multistage sludge -biofilm intergrowth combined type bioreactor | |
| CN105198084B (en) | A kind of apparatus and method that advanced nitrogen is realized by preamble part denitrification coupling ammoxidation DEAMOX techniques | |
| CN203602405U (en) | High tower type membrane bio-treatment apparatus | |
| CN101811803A (en) | Rubbish leachate biological nitrogen removal process and device | |
| CN209226777U (en) | A kind of reinforcing advanced nitrogen dephosphorization process sewage-treatment plant | |
| CN107235559A (en) | The synchronization denitrification apparatus and method of a kind of sewage automatic cycle flowing | |
| CN207986809U (en) | The AAO biochemical treatment tanks of treated sewage | |
| CN107381808A (en) | The integrated high-efficiency nitrogen rejection facility and method of a kind of sewage automatic cycle | |
| CN206970300U (en) | Nitrification liquid reflux and biological reaction pool for biological reaction pool | |
| CN207468417U (en) | AAOAO+MBBR oligodynamic sewage treatment devices | |
| CN110171904A (en) | Based on continuous flow AAO dephosphorization and part denitrogenation series hybrid fixed biofilm activated sludge autotrophic denitrification device and method | |
| CN201325907Y (en) | Sewage treatment system for oxidation ditch | |
| CN205313188U (en) | Device of circulating processing high -concentration ammonia nitrogen waste water of aeration - anaerobism | |
| CN201952333U (en) | Internal-circulation AAO-MBR (Anaerobic-Anoxic-Oxic-Membrane Bio-Reactor) sewage-processing reaction-tank system | |
| CN106745737A (en) | A kind of short distance nitration Anammox manifold type denitrification reactor | |
| CN111348746A (en) | Miniature bionic type integrated sewage treatment equipment and sewage treatment method thereof | |
| CN207468276U (en) | Aerobic cell system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200805 Address after: 100124 Chaoyang District, Beijing Ping Park, No. 100 Applicant after: Beijing University of Technology Address before: 100029 Beijing, North Third Ring Road, No. 15 East Road, Chaoyang District Applicant before: BEIJING University OF CHEMICAL TECHNOLOGY |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |