CN104310585A - Device and method for treating municipal sewage with low carbon nitrogen ratio by half nitrification-denitrification anaerobic ammonia oxidation - Google Patents
Device and method for treating municipal sewage with low carbon nitrogen ratio by half nitrification-denitrification anaerobic ammonia oxidation Download PDFInfo
- Publication number
- CN104310585A CN104310585A CN201410535840.8A CN201410535840A CN104310585A CN 104310585 A CN104310585 A CN 104310585A CN 201410535840 A CN201410535840 A CN 201410535840A CN 104310585 A CN104310585 A CN 104310585A
- Authority
- CN
- China
- Prior art keywords
- denitrification
- anaerobic ammonia
- ammonia oxidation
- reactor
- nitrator
- 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
- C02F3/302—Nitrification and denitrification treatment
-
- 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
- C02F3/305—Nitrification and denitrification treatment characterised by the denitrification
-
- 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
-
- 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
-
- 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
- C02F2101/163—Nitrates
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (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 invention relates to a device and a method for treating the municipal sewage with low carbon nitrogen ratio by half nitrification-denitrification anaerobic ammonia oxidation, belonging to the technical field of biological sewage treatment. The device comprises a raw water tank, a half nitrification reactor, an intermediate water tank, a denitrification anaerobic ammonia oxidation reactor and an external carbon source device. The method comprises the following steps: firstly, enabling the municipal sewage to enter the half nitrification reactor to enable part of ammonia nitrogen to be converted into nitrate; and enabling the water discharged by the half nitrification reactor to enter the denitrification anaerobic ammonia oxidation reactor, reducing the nitrate into nitrite with denitrifying bacteria through organic matters, and synchronously removing the ammonia nitrogen in the raw material by anaerobic ammonia oxidation. The nitrite is accumulated by denitrification, so that the problem that in the partial nitrification process of the municipal sewage with low carbon nitrogen ratio, the nitrite can not be easily and stably accumulated can be solved, the nitrogen removal efficiency of the anaerobic ammonia oxidation technology is increased, the operation cost is lowered, and the control operation is simplified; and therefore, an effective and feasible way is provided for denitrification of the municipal sewage with low carbon nitrogen ratio.
Description
Technical field
The present invention relates to a kind of apparatus and method of less energy-consumption process low ratio of carbon to ammonium municipal effluent, belong to the technical field of biological sewage treatment, specifically city domestic sewage is entered half nitrator, part mineralized nitrogen in former water is made to be nitrate by aerobic aeration, water outlet enters in denitrification anaerobic ammonia oxidation reactor, denitrifying bacteria utilizes additional organic carbon source to be nitrite by nitrate reduction, for anaerobic ammonia oxidizing bacteria provides electron acceptor(EA), the nitrite of accumulation generates nitrogen with not oxidized ammonia nitrogen in former water by Anammox effect again, thus removed, it is stable that to realize city domestic sewage efficient, less energy-consumption denitrogenation.
Background technology
Along with the development in city and the raising of living standards of the people, urban wastewater discharge increases day by day, and the serious shadow water body environment of problem, harm animals and plants and the HUMAN HEALTH such as sewage composition is increasingly sophisticated, the eutrophication caused by water body nitrogen and phosphorus pollution.Therefore; sewage drainage standard be more strictly the general development trend of various countries; to control nitrogen for the purpose of eutrophication, phosphorus removes the important objective of the struggle becoming sewage disposal; in the urgent need to adapting to the sewage disposal technology of various places Economic development and Environmental Protection Target, research and develop the focus that efficient, economic dephosphorization and denitrification process has become current city sewage disposal technology research.
The ammonia nitrogen removal of conventional waste water process is generally by nitrification and denitrification process implementation, but a large amount of aeration of this process need, additionally adds organic carbon source and basicity, investment and working cost higher.Anaerobic ammonia oxidation process is the new and effective bio-denitrification technology of one proposed by Dutch Delft technology university the nineties in last century.This technique refers under anaerobism or anoxia condition, and ammonium oxidation, using nitrite as electron acceptor(EA), is directly the process of nitrogen by anaerobic ammonium oxidizing bacteria.Compared with traditional technology, anaerobic ammonia oxidation process is without the need to oxygen supply, and without the need to adding organic carbon source, without the need to additional acid-base neutralisation reagent, simultaneously because anaerobic ammonia oxidizing bacteria is long for generation time, can reduce sludge yield, be a kind of cost-effective biological denitrificaion approach.In Practical Project, often need short-cut nitrification technology as pre-treating technology for Anammox provides response matrix nitrite.Short distance nitration process controls at Nitrification Stage by ammonium oxidation, do not carry out the conversion of nitrite to nitrate, realizes short distance nitration nitrite accumulation in reality often through methods such as control high temperature, dissolved oxygen and high ammonia nitrogens.But it is actually rare up to the present, to realize the successful Application of biological denitrificaion through nitrite approach in Practical Project.Its major cause is the controlling factor more complicated affecting nitrite accumulation, and Nitrite transformation can be promptly nitrate by nitrifier (NOB), the short distance nitration denitrification process realized can be caused to revert to again complete nitrification process, cause containing excess nitrate in water outlet, affect denitrification effect.
On the other hand, the factor such as denitrification process carbon-nitrogen ratio and reaction times of control can realize nitrite accumulation, thus provides matrix for Anammox reacts.The accumulation of denitrification process nitrite is combined with anaerobic ammonia oxidation process, the problem of nitrite accumulation instability can be solved, the nitrate that anaerobic ammonium oxidation process of simultaneously can reducing further produces, therefore, can greatly improve bio-denitrifying sewage efficiency, improve effluent quality further.
Summary of the invention
The object of the invention is to solve the problems of the technologies described above, a kind of apparatus and method passing through half nitrification-denitrification Anammox process low ratio of carbon to ammonium city domestic sewage are proposed, specifically first city domestic sewage enters half nitrator, to a part of ammonia nitrogen be wherein nitrate at aerobic aeration stage oxidation, half nitrator water outlet enters denitrification anaerobic ammonia oxidation reactor again, nitrate reduction is nitrite by additional organic carbon source by the denitrifying bacteria utilizing a class of inoculation to have an incomplete Denitrification Characteristics, in the nitrite nitrogen of accumulation and raw waste water, not oxidized ammonia nitrogen is removed by Anammox effect simultaneously, realize the efficient of low ratio of carbon to ammonium municipal effluent, less energy-consumption denitrogenation.
The object of the invention is to be achieved through the following technical solutions:
The device of half nitrification-denitrification Anammox process low ratio of carbon to ammonium city domestic sewage, is characterized in that, comprise raw water box 1, half nitrator 2, intermediate water tank 3, denitrification anaerobic ammonia oxidation reactor 4, additional carbon reserve tank 5;
Raw water box 1 is connected with half nitrator 2 water-in by the first peristaltic pump 2.1; Half nitrator water outlet enters intermediate water tank 3; Intermediate water tank is connected with denitrification anaerobic ammonia oxidation reactor 4 water-in by the second peristaltic pump 4.1; Additional carbon reserve tank 5 adds peristaltic pump 5.1 by carbon source and adds mouth with denitrification anaerobic ammonia oxidation reactor carbon source and be connected;
Half described nitrator 2 is provided with the first whipping appts 2.2 and water outlet 2.3, and reactor bottom is provided with aeration head 2.4, and pneumatic pump 2.5 is connected with aeration head by gas meter 2.6;
Described denitrification anaerobic ammonia oxidation reactor is closed, is provided with the second whipping appts 4.2 and temperature-control device 4.3.
The method of half nitrification-denitrification Anammox process low ratio of carbon to ammonium city domestic sewage, is characterized in that, comprise following process:
Inoculation municipal effluent plant excess sludge is in half nitrator, and controlling sludge concentration in reactor is 2000 ~ 4000mg/L; By anaerobic ammonium oxidation sludge and there is incomplete Denitrification Characteristics denitrification mud by volume for the mixed sludge seeding of 2:1 ~ 4:1 is to denitrification anaerobic ammonia oxidation reactor, controlling the rear sludge concentration of inoculation is 1400 ~ 4000mg/L; Wherein, the nitrite accumulation rate with the denitrification mud of incomplete Denitrification Characteristics of inoculation reaches 70% ~ 100%, and the anaerobic ammonium oxidation sludge nitrogen removal rate of inoculation is greater than 70%;
Low ratio of carbon to ammonium city domestic sewage is collected in raw water box, and in this city domestic sewage, COD is less than 4.0 with the ratio of the mass concentration of ammonia nitrogen; In raw water box, sewage enters half nitrator by the first peristaltic pump, aeration 1 ~ 3h after water inlet end, and in aeration process, Dissolved Oxygen concentration Control is at 2.0 ~ 4.0mg/L; Aeration terminates postprecipitation 30 ~ 60min, then nitrification liquid is expelled to intermediate water tank, and draining ratio is 40% ~ 60%;
Waste water in intermediate water tank enters denitrification anaerobic ammonia oxidation reactor by the second peristaltic pump; Organic carbon source solution during water inlet end in additional carbon reserve tank adds peristaltic pump by carbon source and enters denitrification anaerobic ammonia oxidation reactor, and controlling initial COD in reactor is 2.0 ~ 3.5 with the ratio of the mass concentration of nitrate nitrogen; Add anoxia stirring 3 ~ 6h after organic carbon source; Staticly settle 30 ~ 60min after stirring terminates, discharge supernatant liquor, draining ratio is 30 ~ 70%.
Know-why:
Half nitrification-denitrification anaerobic ammonia oxidation process process low ratio of carbon to ammonium city domestic sewage refers to that first Jiang Yuanshui enters half nitrator, pass through aerobic aeration, control aeration time and dissolved oxygen concentration, nitrobacteria by wherein 40% ~ 60% ammonium oxidation be nitrate, simultaneously containing ammonia nitrogen and nitrate in water outlet; The seed sludge of denitrification anaerobic ammonia oxidation reactor is mud and the anaerobic ammonium oxidation sludge with incomplete Denitrification Characteristics, wherein comprise the incomplete denitrifying bacteria of a class in denitrification mud, nitrate reduction can only be nitrite by it, and do not carry out the reduction process that nitrate reductase is nitrogen, the nitrite accumulation of incomplete denitrification process can reach 80% ~ 100%, thus realize stable nitrite accumulation, for anaerobic ammonia oxidizing bacteria provides electron acceptor(EA).The water outlet of half nitrator enters into denitrification anaerobic ammonia oxidation reactor again, and add a certain amount of additional carbon, control mass concentration ratio and the hypoxia response time of the required suitable COD of incomplete denitrification process and nitrate nitrogen, incomplete denitrifying bacteria can utilize organism to be nitrite by nitrate reduction.Nitrogen can be generated by the effect of anaerobic ammonia oxidizing bacteria at the ammonia nitrogen that aerobic stage is not oxidized in this part nitrite and raw waste water, thus realize the denitrogenation of city domestic sewage.A small amount of nitrate reduction that anaerobic ammonium oxidation process can also produce by denitrification process, improves the nitric efficiency of system.
The technological process control of the half nitrification-denitrification Anammox process low ratio of carbon to ammonium municipal effluent that the present invention relates to has the following advantages:
1) part ammonium oxidation is nitrate by the aerobic nitrification stage, saves aeration rate and aeration time, reduces working cost;
2) incomplete denitrification process is utilized to realize nitrate reduction for nitrite, nitrite accumulation rate is high, can stable maintenance, for anaerobic ammonium oxidation process provides the water inlet of proper ratio, compared with short distance nitration process, denitrification process nitrite accumulation controls comparatively simple, and operation easily realizes, and nitrite accumulation rate is stablized;
3) denitrification combines with anaerobic ammonium oxidation process, and the nitrate reduction that nitrate in water inlet and anaerobic ammonium oxidation process can be generated is nitrogen, improves system nitric efficiency, improves effluent quality.
Accompanying drawing explanation
Fig. 1 is the schema of half nitrification-denitrification Anammox process low ratio of carbon to ammonium municipal effluent method.
Embodiment
Below in conjunction with accompanying drawing and specific examples, the invention will be further described:
As shown in Figure 1, the technique of half nitrification-denitrification Anammox process low ratio of carbon to ammonium city domestic sewage, comprise and it is characterized in that, comprise raw water box 1, half nitrator 2, intermediate water tank 3, denitrification anaerobic ammonia oxidation reactor 4, additional carbon reserve tank 5.
Raw water box 1 is connected with half nitrator 2 by the first peristaltic pump 2.1; Half nitrator is provided with the first whipping appts 2.2 and water outlet 2.3, and reactor bottom is provided with aeration head 2.4, and pneumatic pump 2.5 is connected with aeration head by gas meter 2.6; Half nitrator is connected with intermediate water tank 3; Intermediate water tank is connected with denitrification anaerobic ammonia oxidation reactor 4 by the second peristaltic pump 4.1; Denitrification anaerobic ammonia oxidation reactor is provided with the second whipping appts 4.2 and temperature-control device 4.3; Additional carbon reserve tank 5 is connected with denitrification anaerobic ammonia oxidation reactor by the 3rd peristaltic pump 5.1.
Specifically comprise following process:
Inoculation municipal effluent plant excess sludge is in half nitrator, and in inoculation post-reactor, sludge concentration is 3000mg/L; Inoculation anaerobic ammonium oxidation sludge and there is incomplete Denitrification Characteristics denitrification sludge volume than the mixing sludge for 2.5:1 in denitrification anaerobic ammonia oxidation reactor, in inoculation post-reactor, sludge concentration is 2500mg/L; Wherein, the denitrification mud of inoculation carrys out the self-operating denitrification reactor of more than 1 year, and this mud has incomplete Denitrification Characteristics, and in the lower situation of organic carbon source concentration, can only be nitrite by nitrate reduction, its nitrite accumulation rate reaches 80%; The anaerobic ammonium oxidation sludge of inoculation carrys out the anaerobic ammonia oxidation reactor of self-operating more than 6 months, and its nitrogen removal rate reaches 75%.
Test Families Home of former hydromining Beijing University of Technology used sanitary sewage, significant parameter is: COD=200 ~ 300mg/L, NH
4 +-N=60 ~ 85mg/L, TN=60 ~ 90mg/L; The ratio of the mass concentration of its COD and ammonia nitrogen, between 2.2 ~ 3.5, belongs to typical low C/N and compares municipal effluent; Raw water collection is in raw water box;
Half nitrator adopts sbr reactor device, and this reactor useful volume is 12L, and the total sewage quantity of each cycle process is 6L.In raw water box, low ratio of carbon to ammonium city domestic sewage enters half nitrated sbr reactor device by the first peristaltic pump, water inlet volume 6L, aeration agitation 2h after water inlet, and in aeration process, Dissolved Oxygen concentration Control is at 2.5mg/L; Aeration terminates postprecipitation 40min, then supernatant liquor is expelled to intermediate water tank, and draining ratio is 50%, and in water outlet, ammonia nitrogen mean concns is 30mg/L, and nitrate nitrogen mean concns is 40mg/L.
Waste water in intermediate water tank enters denitrification anaerobic ammonia oxidation reactor by the second peristaltic pump, and this reactor adopts SBR, useful volume 12L, the total sewage quantity 6L of each cycle process; Water inlet volume is 6L, organic carbon source during water inlet end in additional carbon reserve tank enters denitrification anaerobic ammonia oxidation reactor by the 3rd peristaltic pump, be additional carbon with sodium acetate in test, controlling initial COD in reactor is 2.8 with the ratio of the mass concentration of nitrate nitrogen; Anoxia stirring 5h after water inlet, it is 28 DEG C that temperature controls; Staticly settle 1h after stirring terminates, discharge supernatant liquor, draining ratio is 50%.
Long run test result shows:
Take actual domestic wastewater as water inlet, half nitrated sbr reactor device sludge concentration controls as 3000mg/L, aeration agitation 2h, and draining ratio is 50%; Denitrifying ammoxidation reactor sludge concentration controls as 2500mg/L simultaneously, and draining ratio is 50%; Whole system each cycle dispose of sewage 6L time, water outlet NH
4 +-N < 3mg/L, TN < 5mg/L, TN clearance reaches 92% ~ 97%, can realize that low ratio of carbon to ammonium city domestic sewage is stable, efficient denitrification.
Claims (2)
1. the device of half nitrification-denitrification Anammox process low ratio of carbon to ammonium city domestic sewage, it is characterized in that, comprise raw water box (1), half nitrator (2), intermediate water tank (3), denitrification anaerobic ammonia oxidation reactor (4), additional carbon reserve tank (5);
Raw water box (1) is connected with half nitrator (2) water-in by the first peristaltic pump (2.1); Half nitrator water outlet enters intermediate water tank (3); Intermediate water tank is connected with denitrification anaerobic ammonia oxidation reactor (4) water-in by the second peristaltic pump (4.1); Additional carbon reserve tank (5) adds peristaltic pump (5.1) by carbon source and adds mouth with denitrification anaerobic ammonia oxidation reactor carbon source and be connected;
Described half nitrator (2) is provided with the first whipping appts (2.2) and water outlet (2.3), reactor bottom is provided with aeration head (2.4), and pneumatic pump (2.5) is connected with aeration head by gas meter (2.6);
Described denitrification anaerobic ammonia oxidation reactor is closed, is provided with the second whipping appts (4.2) and temperature-control device (4.3).
2. application rights requires that described in 1, device carries out the method for half nitrification-denitrification Anammox process low ratio of carbon to ammonium city domestic sewage, is characterized in that, comprises following process:
Inoculation municipal effluent plant excess sludge is in half nitrator, and controlling sludge concentration in half nitrator is 2000 ~ 4000mg/L; By anaerobic ammonium oxidation sludge and there is incomplete Denitrification Characteristics denitrification mud by volume for the mixed sludge seeding of 2:1 ~ 4:1 is to denitrification anaerobic ammonia oxidation reactor, controlling the rear sludge concentration of inoculation is 1400 ~ 4000mg/L; Wherein, the nitrite accumulation rate with the denitrification mud of incomplete Denitrification Characteristics of inoculation reaches 70% ~ 100%, and the anaerobic ammonium oxidation sludge nitrogen removal rate of inoculation is greater than 70%;
Low ratio of carbon to ammonium city domestic sewage is collected in raw water box, and in this city domestic sewage, COD is less than 4.0 with the ratio of the mass concentration of ammonia nitrogen; In raw water box, sewage enters half nitrator by the first peristaltic pump, aeration 1 ~ 3h after water inlet end, and in aeration process, Dissolved Oxygen concentration Control is at 2.0 ~ 4.0mg/L; Aeration terminates postprecipitation 30 ~ 60min, then nitrification liquid is expelled to intermediate water tank, and draining ratio is 40% ~ 60%;
Waste water in intermediate water tank enters denitrification anaerobic ammonia oxidation reactor by the second peristaltic pump; Organic carbon source solution during water inlet end in additional carbon reserve tank adds peristaltic pump by carbon source and enters denitrification anaerobic ammonia oxidation reactor, and controlling initial COD in reactor is 2.0 ~ 3.5 with the ratio of the mass concentration of nitrate nitrogen; Add anoxia stirring 3 ~ 6h after organic carbon source; Staticly settle 30 ~ 60min after stirring terminates, discharge supernatant liquor, draining ratio is 30 ~ 70%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535840.8A CN104310585B (en) | 2014-10-12 | 2014-10-12 | The apparatus and method of half nitrification-denitrification Anammox process low ratio of carbon to ammonium municipal effluent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535840.8A CN104310585B (en) | 2014-10-12 | 2014-10-12 | The apparatus and method of half nitrification-denitrification Anammox process low ratio of carbon to ammonium municipal effluent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104310585A true CN104310585A (en) | 2015-01-28 |
| CN104310585B CN104310585B (en) | 2016-01-13 |
Family
ID=52365939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410535840.8A Active CN104310585B (en) | 2014-10-12 | 2014-10-12 | The apparatus and method of half nitrification-denitrification Anammox process low ratio of carbon to ammonium municipal effluent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104310585B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110472A (en) * | 2015-10-13 | 2015-12-02 | 沈阳建筑大学 | Denitrification process for whole anammox and denitrification coupling process |
| CN106082429A (en) * | 2016-07-06 | 2016-11-09 | 浙江艾摩柯斯环境科技有限公司 | Efficiently half amount nitrosation reactor and method thereof |
| CN107512774A (en) * | 2017-09-06 | 2017-12-26 | 北京工业大学 | Preposition short-cut denitrification Anammox handles the apparatus and method of low C/N municipal sewages |
| CN109205790A (en) * | 2018-11-23 | 2019-01-15 | 北京工业大学 | A kind of device and method of municipal wastewater treatment plant secondary effluent advanced nitrogen |
| CN112939338A (en) * | 2021-01-27 | 2021-06-11 | 辽宁工业大学 | Low carbon nitrogen ratio sewage denitrification device |
| CN113321303A (en) * | 2021-06-16 | 2021-08-31 | 浙江一谦生态农业科技有限责任公司 | Method for efficiently removing ammonia nitrogen and total nitrogen in wastewater by using denitrifying bacteria |
| CN114014439A (en) * | 2021-09-03 | 2022-02-08 | 江西理工大学 | Real-time control method for short-cut denitrification quick start and stable operation |
| CN114180715A (en) * | 2021-11-19 | 2022-03-15 | 北京工业大学 | Continuous flow short-cut denitrification coupling anaerobic ammonia oxidation enhanced flora enrichment device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020072360A (en) * | 2001-03-09 | 2002-09-14 | 주식회사 제일엔지니어링 | Biological Nitrogen Removal from Nitrogen-Rich Wastewaters by Partial Nitrification and Anaerobic Ammonium Oxidation |
| CN103288211A (en) * | 2013-05-12 | 2013-09-11 | 北京工业大学 | Device and method for treating low-C/N (carbon/nitrogen) ratio urban sewage by an anoxic/aerobic SBR-DEAMOX (denitrifying ammonium oxidation) denitrification process |
| CN103739066A (en) * | 2013-12-24 | 2014-04-23 | 清华大学 | Autotrophic denitrification synchronous sludge fermentation coupled denitrification device and method for sewage with low nitrogen ratio |
| CN103864206A (en) * | 2014-03-21 | 2014-06-18 | 北京工业大学 | Device and method for sludge digestive juice semi-partial nitrification anaerobic ammonia oxidation denitrification and denitrifying phosphorus removal coupling system |
| CN103936150A (en) * | 2014-04-11 | 2014-07-23 | 北京工业大学 | Continuous flow low C/N (carbon/nitrogen ratio) municipal wastewater partial nitrification/ anaerobic ammonia oxidation and denitrification nitrogen removal method |
-
2014
- 2014-10-12 CN CN201410535840.8A patent/CN104310585B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020072360A (en) * | 2001-03-09 | 2002-09-14 | 주식회사 제일엔지니어링 | Biological Nitrogen Removal from Nitrogen-Rich Wastewaters by Partial Nitrification and Anaerobic Ammonium Oxidation |
| CN103288211A (en) * | 2013-05-12 | 2013-09-11 | 北京工业大学 | Device and method for treating low-C/N (carbon/nitrogen) ratio urban sewage by an anoxic/aerobic SBR-DEAMOX (denitrifying ammonium oxidation) denitrification process |
| CN103739066A (en) * | 2013-12-24 | 2014-04-23 | 清华大学 | Autotrophic denitrification synchronous sludge fermentation coupled denitrification device and method for sewage with low nitrogen ratio |
| CN103864206A (en) * | 2014-03-21 | 2014-06-18 | 北京工业大学 | Device and method for sludge digestive juice semi-partial nitrification anaerobic ammonia oxidation denitrification and denitrifying phosphorus removal coupling system |
| CN103936150A (en) * | 2014-04-11 | 2014-07-23 | 北京工业大学 | Continuous flow low C/N (carbon/nitrogen ratio) municipal wastewater partial nitrification/ anaerobic ammonia oxidation and denitrification nitrogen removal method |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110472A (en) * | 2015-10-13 | 2015-12-02 | 沈阳建筑大学 | Denitrification process for whole anammox and denitrification coupling process |
| CN106082429A (en) * | 2016-07-06 | 2016-11-09 | 浙江艾摩柯斯环境科技有限公司 | Efficiently half amount nitrosation reactor and method thereof |
| CN106082429B (en) * | 2016-07-06 | 2022-08-23 | 浙江艾摩柯斯环境科技有限公司 | Efficient semi-quantitative nitrosation reactor and method thereof |
| CN107512774A (en) * | 2017-09-06 | 2017-12-26 | 北京工业大学 | Preposition short-cut denitrification Anammox handles the apparatus and method of low C/N municipal sewages |
| CN107512774B (en) * | 2017-09-06 | 2020-10-16 | 北京工业大学 | Device and method for treating low C/N municipal sewage by preposed short-cut denitrification-anaerobic ammonia oxidation |
| CN109205790A (en) * | 2018-11-23 | 2019-01-15 | 北京工业大学 | A kind of device and method of municipal wastewater treatment plant secondary effluent advanced nitrogen |
| CN109205790B (en) * | 2018-11-23 | 2021-07-30 | 北京工业大学 | Device and method for deep denitrification of secondary effluent of urban sewage plant |
| CN112939338A (en) * | 2021-01-27 | 2021-06-11 | 辽宁工业大学 | Low carbon nitrogen ratio sewage denitrification device |
| CN113321303A (en) * | 2021-06-16 | 2021-08-31 | 浙江一谦生态农业科技有限责任公司 | Method for efficiently removing ammonia nitrogen and total nitrogen in wastewater by using denitrifying bacteria |
| CN114014439A (en) * | 2021-09-03 | 2022-02-08 | 江西理工大学 | Real-time control method for short-cut denitrification quick start and stable operation |
| CN114014439B (en) * | 2021-09-03 | 2024-03-22 | 江西理工大学 | Real-time control method for short-range denitrification quick start and stable operation |
| CN114180715A (en) * | 2021-11-19 | 2022-03-15 | 北京工业大学 | Continuous flow short-cut denitrification coupling anaerobic ammonia oxidation enhanced flora enrichment device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104310585B (en) | 2016-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104310585B (en) | The apparatus and method of half nitrification-denitrification Anammox process low ratio of carbon to ammonium municipal effluent | |
| CN103288211B (en) | Device and method for treating low-C/N (carbon/nitrogen) ratio urban sewage by an anoxic/aerobic SBR-DEAMOX (denitrifying ammonium oxidation) denitrification process | |
| CN103058461B (en) | Municipal sewage partial nitrification and anaerobic ammonia oxidation denitrification method capable of enhancing energy recuperation | |
| CN109721156B (en) | Device and method for treating late landfill leachate through integration of intermittent aeration/short-range denitrification-anaerobic ammonia oxidation | |
| CN102583885B (en) | Technology and method for treating urban sewage by three-section short-cut nitrification/ anaerobic ammonia oxidation | |
| CN102557356B (en) | Process and method for denitrification and phosphorus removal of municipal sewage by half shortcut nitrification and anaerobic ammonium oxidation | |
| CN103663863B (en) | Device and method for low CN ratio sewage denitrifying phosphorus removal and sectional partial nitrification joined anaerobic ammonia oxidation denitrification | |
| CN104291443B (en) | The apparatus and method of half nitrated/part denitrification/Anammox process low ratio of carbon to ammonium municipal effluent | |
| CN103011507B (en) | Control method and device for deep denitrification treatment of garbage leachate by combination of short-range nitrification and anaerobic ammoxidation | |
| CN104310580B (en) | Part denitrification series connection autotrophic denitrification realizes the apparatus and method of nitrate wastewater and city sewage deep denitrogenation | |
| CN103723821B (en) | Method for rapid mutagenesis of autotrophic nitrosation sludge from complete nitrifying sludge | |
| CN102515350A (en) | Apparatus and method for nitrogen removal by combining garbage leachate SBR and anaerobic ammoxidation | |
| CN105384247A (en) | Method for oxidizing and denitrifying part of denitrification coupled anaerobic ammonia through A/O biological membrane process | |
| CN104961305A (en) | Treatment method of anaerobic fermentation liquid of livestock and poultry breeding wastewater | |
| CN104108834B (en) | A kind of method of municipal effluent being carried out to denitrogenation dephosphorizing | |
| CN107512774A (en) | Preposition short-cut denitrification Anammox handles the apparatus and method of low C/N municipal sewages | |
| CN104370422A (en) | Device and method for coupling short-cut denitrification phosphorus removal with anaerobic ammonia oxidation | |
| CN105110572A (en) | Device and method for treating municipal wastewater with low C/N ratio through silicon source adsorption/nitrification/partial denitrification/anaerobic ammonia oxidation coupling process | |
| CN104512964A (en) | Sludge side treatment-based urban sewage short-cut nitrogen removal method | |
| CN101805096B (en) | Method for treating rubbish percolates of different times for deep denitrification by using bipolar USAB+A/O+SBR process | |
| CN107324497B (en) | Starting method for treating biogas slurry in pig farm by coupling denitrification Canon process | |
| CN112479361A (en) | Device and method for deeply treating salt-containing wastewater | |
| CN202492432U (en) | Device for denitrification by SBR combined with anaerobic ammoxidation of landfill leachate | |
| CN103663697A (en) | Device and method for quickly realizing shortcut biological denitrification through combination of free ammonia (FA) restraining and pH value | |
| CN103435227B (en) | Device and method for biological denitrification of landfill leachate through SBR (Sequencing Batch Reactor) short-cut nitrification-SBBR anaerobic ammonia oxidation combined process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201218 Address after: Room B405, standard workshop auxiliary building, Jinyang science and Technology Industrial Park, high tech Zone, Guiyang City, Guizhou Province Patentee after: GUIZHOU ZHUXIN WATER AFFAIRS ENVIRONMENT INDUSTRY Co.,Ltd. Address before: 100124 No. 100 Chaoyang District Ping Tian Park, Beijing Patentee before: Beijing University of Technology |
|
| TR01 | Transfer of patent right |