CN109095606A - A kind of sewage is from stirring nitrogen rejection facility and method - Google Patents
A kind of sewage is from stirring nitrogen rejection facility and method Download PDFInfo
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- CN109095606A CN109095606A CN201810996534.2A CN201810996534A CN109095606A CN 109095606 A CN109095606 A CN 109095606A CN 201810996534 A CN201810996534 A CN 201810996534A CN 109095606 A CN109095606 A CN 109095606A
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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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- C02F2101/30—Organic compounds
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- 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)
- Biological Treatment Of Waste Water (AREA)
Abstract
Sewage of the invention is characterized in that from nitrogen rejection facility, including shell, water inlet pipe, outlet pipe, aeration pump, air pump and chemical feed pipe is stirred: being provided with aerator and composite filling in aerobic zone；Aerobic zone is communicated with anaerobic zone through connecting tube；It is provided with outer cover in anaerobic zone, forms separate cavities in outer cover, U-tube is provided on outer cover, the outlet of chemical feed pipe is located in separate cavities, and air pump is communicated with separate cavities, and anaerobic zone is communicated with aerobic zone through return pipe.Sewage water treatment method of the invention, comprising: a) sewage flows into；B) Air Exposure；C) aerobic zone biochemical reaction；D) sewage flow；E) anaerobic zone biochemical reaction；F) sewage backflow and discharge.Sewage of the invention stirs nitrogen rejection facility and method certainly, the device and method for providing the waste water of a set of multiple-microorganism processing ammonia nitrogen and COD and reducing energy consumption, utilize collocation multiple-microorganism, suitable living environment is provided for it, and the automatic stirring of sewage is realized using gas as power, completely remove ammonia nitrogen and COD.
Description
Technical field
The present invention relates to a kind of sewage from stirring nitrogen rejection facility and method, more specifically, more particularly to a kind of using more
The biofilm removal ammonia nitrogen in sewage of kind antimicrobial composition and the sewage of COD stir nitrogen rejection facility and method certainly.
Background technique
The processing mode of domestic sewage in rural areas is a big problem of influence life in the countryside environment at present, although China rural area
Living standard is improving year by year, but basic environment construction does not correspondingly increase but.Most sanitary sewages are all unprocessed
And arbitrarily discharge, lead to irrigation canals and ditches and the fouling of pond water quality nigrescence, mosquito growth have seriously affected resident living environment and body is strong
Health, while will cause drinking water source pollution and lake river eutrophication.China's country sewage is compared to urban sewage discharge
Small, imperfect sewage collection system is measured, since the sewage quality difference of different regions rural area discharge is larger.Based on these
Part decentralized type sewage processing equipment is more applicable for the processing of the sewage in rural area.COD and ammonia nitrogen are removed more using biological method
Economical and efficient not will cause secondary pollution.Most potential method in rural sewage treatment will be become.
Sewage of the present invention is formed from the sink that stirring nitrogen rejection facility is separated from each other by two, dirty for different activity
Mud builds respectively suitable living environment.Using multiple-microorganism, (heterotroph, nitrite bacteria, nitrobacteria and denitrification are thin
Bacterium) by cooperateing with dirty Organic substance in water and ammonia nitrogen removal.It is intended to the one kind of multiple microorganism synergistic effect processing COD of invention
And ammonia nitrogen and the device and method for reducing energy consumption.
Summary of the invention
The present invention in order to overcome the shortcomings of the above technical problems, provides a kind of biomembrane combined using multiple-microorganism
Method removes ammonia nitrogen in sewage and the sewage of COD stirs nitrogen rejection facility and method certainly.
Sewage of the invention stirs nitrogen rejection facility, including shell, water inlet pipe, outlet pipe, aeration pump, air pump and dosing certainly
Pipe, the internal cavities of shell are divided into aerobic zone and anaerobic zone through vertical first partition, water inlet pipe, outlet pipe respectively with it is aerobic
The upper end of area and anaerobic zone communicates；It is characterized by: the bottom of aerobic zone is provided with aeration stone, aeration stone is through aeration tube and aeration
The gas outlet of pump communicates, and the composite filling for increasing microorganism and sludge contact area is provided in aerobic zone；Aerobic zone and anaerobism
Area is communicated through connecting tube, and the water inlet of connecting tube is located at the top of aerobic zone, and water outlet is located at the bottom end of anaerobic zone；In anaerobic zone
It is provided with outer cover, forms the separate cavities of only lower ending opening in outer cover, the U-tube of two openings upward, U-tube are provided on outer cover
It is open at one end be located at separate cavities in, another end opening is located in anaerobic zone；The outlet of chemical feed pipe is located in separate cavities, air pump warp
Tracheae is communicated with the upper end of separate cavities, for being passed through the inert gas of such as nitrogen into separate cavities, with realize anaerobic zone from
Stirring；Return pipe is provided in anaerobic zone, the upper end of return pipe is communicated with outlet pipe, and lower end is communicated with the lower end of aerobic zone.
Sewage of the invention from stirring nitrogen rejection facility, be inoculated in the aerobic zone containing heterotroph, nitrite bacteria and
The activated sludge of nitrobacteria is inoculated with the activated sludge containing anaerobic ammonium oxidizing bacteria and denitrifying bacteria in anaerobic zone.
For sewage of the invention from nitrogen rejection facility is stirred, the middle and upper part of the anaerobic zone, which is provided with, is divided into two regions
Second partition, height of the lower end of second partition apart from bottom be anaerobic zone height 1/5；Outer cover is set to second partition
On, height of the low side of U-tube apart from bottom is the 1/4 of anaerobic zone height.
Sewage of the invention is provided with two parallel filler supports, combination is filled out from nitrogen rejection facility is stirred in the aerobic zone
Material is fixed on filler support, and the distance between two filler supports are the 3/5 of aerobic zone height.
The sewage water treatment method of sewage of the invention from stirring nitrogen rejection facility, which is characterized in that by following steps come real
It is existing:
A) sewage flows into, and the sewage containing COD and ammonia nitrogen flows into aerobic zone through water inlet pipe, sewage in aerobic zone from top to bottom
Flowing；B) Air Exposure, aeration pump blast air to the bottom of aerobic zone through aeration tube and aeration pump, make in sewage and air
Oxygen come into full contact with, the amount of oxygen dissolved in sewage meets the needs of aerobic reaction；C) aerobic zone biochemical reaction, aerobic zone
Biochemical reaction include the degradation of organic matter and the oxidation of ammonia nitrogen, the degradation of organic matter includes following three phases: c-1) absorption
Stage, the pollutant in sewage are inhaled with the floccule body in the microorganism contact process in activated sludge, formed by microorganism
Attached and adhesion；C-2) oxidation stage, under aerobic conditions, microorganism is nutrition using the intracorporal organic matter that is partially ingested, and is closed
At cellular material, another part organic matter, which is decomposed, to be metabolized and releases energy；C-3) formation of floccule body and coagulative precipitation rank
Section, the thallus flocculation of oxidation stage synthesis is at floccule body, and floccule body is separated from the water out by gravity precipitating, so that being discharged
To purification；The oxidation process of ammonia nitrogen are as follows: c-4) oxidation of ammonia nitrogen completed by nitrite bacteria and nitrobacteria, nitrite bacteria
With nitrobacteria using oxygen by part ammonium oxidation be nitrite nitrogen and nitrate nitrogen；D) sewage flow, sewage are located in aerobic zone
The bottom of anaerobic zone is flowed into after reason through connecting tube；E) anaerobic zone biochemical reaction, anaerobic zone biochemical reaction include that Anammox is anti-
Should and anti-nitration reaction, anaerobic ammonia oxidizing bacteria is using ammonia nitrogen as electron donor under anaerobic, using nitrite nitrogen as electronics by
Body, reaction generate nitrogen and nitrate nitrogen；Denitrifying bacteria is under anaerobic using additional carbon as electron donor, and nitrate nitrogen is as electricity
Sub- receptor response completes denitrification process at nitrogen；Carbon source is added by chemical feed pipe；F) sewage backflow and discharge, anaerobic zone top stream
Sewage out flows into the bottom of aerobic zone through return pipe, re-starts purified treatment；After sewage treatment, it is discharged by opening
Purified water body is discharged pipe.
The beneficial effects of the present invention are: sewage of the invention is from stirring nitrogen rejection facility and sewage water treatment method, shell it is interior
Portion's cavity is divided into aerobic zone and anaerobic zone through partition, is provided with aerator and composite filling in aerobic zone, aerobic to realize
The aeration in area and guarantee coming into full contact with for bacterium and sludge to be clean in sludge, guarantees the degradation of organic matter and the oxidation of ammonia nitrogen
It goes on smoothly；Separate cavities and U-tube are provided in anaerobic zone, air pump is passed through the process of inert gas (such as nitrogen) into separate cavities
In, it can enter in anaerobic zone moment when the gas in separate cavities reaches a certain amount of, realize stirring certainly for anaerobic zone, while through adding
The carbon source that pencil is added also is sufficiently mixed with sewage, is conducive to the anaerobic biochemical reaction of anaerobic zone, to realize to COD in sewage and
The removal of ammonia nitrogen.
Sewage of the invention provides a set of multiple-microorganism processing ammonia nitrogen and COD from stirring nitrogen rejection facility and method
Waste water and the device and method for reducing energy consumption provide the aerobic and anaerobism suitably survived for it using collocation multiple-microorganism
Environment, and using gas as the automatic stirring of power realization sewage, completely remove ammonia nitrogen and COD.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sewage of the invention from stirring nitrogen rejection facility；
In figure: 1 shell, 2 filler supports, 3 composite fillings, 4 water inlet pipes, 5 aeration stones, 6 aeration tubes, 7 aeration pumps, 8 aerobic zones, 9
Connecting tube, 10 second partitions, 11 air pumps, 12 chemical feed pipes, 13 outer covers, 14 U-tubes, 15 first partitions, 16 return pipes, 17 anaerobism
Area, 18 outlet pipes, 19 separate cavities.
Specific embodiment
The invention will be further described with embodiment with reference to the accompanying drawing.
As shown in Figure 1, giving sewage of the invention from the structural schematic diagram for stirring nitrogen rejection facility, by shell 1, combination
Filler 3, water inlet pipe 4, aeration pump 7, connecting tube 9, air pump 11, chemical feed pipe 12, U-tube 14, outer cover 13, return pipe 16 form, shell
Body 1, which serves, to be fixed and supported, and the inside of shell 1 is cavity, is provided with vertical first partition in the internal cavities of shell 1
15, the internal cavities of shell 1 are divided into aerobic zone 8 and anaerobic zone 17 by first partition 15.Water inlet pipe 4 is provided with aerobic zone 8
Upper end, for being passed through sewage to be processed into aerobic zone, sewage flows from top to bottom after entering；The bottom of aerobic zone 8 is arranged
There is aeration stone 5, aeration stone 5 is communicated through aeration tube 6 with the gas outlet of aeration pump 7, so that aeration pump 7 is passed through foot into aerobic zone 8
The air of amount.Composite filling 3 is provided in aerobic zone 8, composite filling 3 has the characteristics that large specific surface area, biofilm are fireballing, has
Conducive in sludge microorganism (bacterium) in sewage organic matter and ammonia nitrogen come into full contact with, improve aerobic in aerobic zone 8
Biochemical reaction.The activated sludge containing heterotroph, nitrite bacteria and nitrobacteria is inoculated in aerobic zone 8, in anaerobic zone 17
It is inoculated with the activated sludge containing anaerobic ammonium oxidizing bacteria and denitrifying bacteria.
Shown in aerobic zone 8 be connected to through connecting tube 9 with anaerobic zone 17, the water inlet of connecting tube 9 is located at the upper of aerobic zone 8
End, water outlet is located at the lower end of anaerobic zone 17, in this way, sewage flows into anaerobism after carrying out intact oxygen biochemical reaction in aerobic zone 8
The bottom in area 17.The second partition 10 for being divided into two regions is provided in anaerobic zone 17, two regions separated are only
It is communicated by the bottom of second partition 10.Outer cover 13 is provided on second partition 10, outer cover 13 is collectively formed with second partition 10
Only the separate cavities 19 of lower ending opening, U-tube 14 are set on the outer wall of separate cavities 19.Two openings of U-tube 14 are upward, U-shaped
One opening of pipe 14 is located at the top of separate cavities 19, another opening is located in the anaerobic zone 17 of 19 periphery of separate cavities.Air pump
11 transtracheals are communicated with the top of separate cavities 19, and the outlet of chemical feed pipe 12 is located in separate cavities 19, and chemical feed pipe 12 is used for anaerobism
Carbon source needed for anaerobic biochemical reaction is added in area 17.
Air pump 11 is for being passed through inert gas (such as nitrogen) into separate cavities 19, to realize stirring certainly for anaerobic zone.Air pump
During 11 are passed through gas into separate cavities 19, with the increase for being passed through gas, separate cavities 19 and be located at separate cavities 19 in it is U-shaped
The side liquid level of pipe 14 declines, and when liquid level drops to 14 least significant end of U-tube, the gas in separate cavities 19 can be through U-tube 14
Moment enters in anaerobic zone 17, and the liquid in anaerobic zone 17 can enter in separate cavities 19, thereby realizes anaerobic zone 17
Middle liquid stirs certainly.Meanwhile being sufficiently mixed for carbon source and sewage in separate cavities 19 is also achieved from whipping process.
Outlet pipe 18 is located at the top of anaerobic zone 17, for purified water body to be discharged；Anaerobic zone 17 is through return pipe 16
It is communicated with aerobic zone 8, the upper end of return pipe 16 is communicated with outlet pipe 18, and lower end is communicated with the bottom of aerobic zone 8, in this way, through well
The reaction of 8 aerobic biochemical of oxygen area and 17 anaerobic biochemical reaction of anaerobic zone treated sewage, flow into aerobic zone through return pipe 16 again
In, double purification is carried out, completely removing for COD and ammonia nitrogen in sewage is conducive to.After sewage purification, opening outlet pipe 18 will
Water body discharge.
Equal volume arrangement can be used in aerobic zone 8 and anaerobic zone 17.In order to realize in the microorganism and sewage in aerobic zone 8
Organic matter and ammonia nitrogen come into full contact with, and the composite filling 3 in aerobic zone 8 occupies the larger space of aerobic zone 8；It is set in aerobic zone 8
The two parallel filler supports 2 that composite filling 3 is fixed are equipped with, two filler supports 2 are fixed at the both ends of composite filling 3
On.The surface of composite filling 3 forms biomembrane, carrys out purifying organic by the microorganism for being bonded to filler surface, has processing
The advantages that high-efficient, impact resistance meets, stable, and sludge output is small, the filler of the present apparatus are composite filling, large specific surface area,
Biofilm speed is fast.In order to make anaerobic zone 17 form two regions and form effective separate cavities 19, the lower end of second partition 10 away from
Height from bottom is the 1/5 of 17 height of anaerobic zone, and height of the low side of U-tube apart from bottom is the 1/4 of anaerobic zone height.
Sewage of the invention is realized from the sewage water treatment method for stirring nitrogen rejection facility by following steps:
A) sewage flows into, and the sewage containing COD and ammonia nitrogen flows into aerobic zone through water inlet pipe, sewage in aerobic zone from top to bottom
Flowing；
Sewage flows from top to bottom in aerobic zone 8, increases the contact with air, and aeration pump 7 constantly blasts air into water,
It can keep the gas-water ratio in sewage that 10:1 is kept to meet the oxidation reaction of organic matter so as to dissolve in the oxygen of sufficient amount in sewage
Oxygen demand.
B) Air Exposure, aeration pump blast air to the bottom of aerobic zone through aeration tube and aeration pump, make sewage and air
In oxygen come into full contact with, the amount of oxygen dissolved in sewage meets the needs of aerobic reaction；
C) aerobic zone biochemical reaction, the biochemical reaction of aerobic zone include the degradation of organic matter and the oxidation of ammonia nitrogen, the drop of organic matter
Solution includes following three phases:
C-1) absorption phase, pollutant in sewage in the microorganism contact process in activated sludge, by by microorganism shape
At floccule body absorption and adhesion；
C-2) oxidation stage, under aerobic conditions, microorganism is nutrition using the intracorporal organic matter that is partially ingested, and synthesis is thin
Born of the same parents' substance, another part organic matter, which is decomposed, to be metabolized and releases energy；
The thallus in c-3) formation of floccule body and coagulative precipitation stage, oxidation stage synthesis flocculates into floccule body, and floccule body passes through
Gravity precipitating is separated from the water out, so that water outlet is purified；
The oxidation process of ammonia nitrogen are as follows:
C-4) oxidation of ammonia nitrogen is completed by nitrite bacteria and nitrobacteria, and nitrite bacteria and nitrobacteria will using oxygen
Part ammonium oxidation is nitrite nitrogen and nitrate nitrogen；
D) sewage flow flows into the bottom of anaerobic zone through connecting tube after sewage is processed in aerobic zone；
E) anaerobic zone biochemical reaction, anaerobic zone biochemical reaction includes Anammox reaction and anti-nitration reaction, in anaerobic condition
Lower anaerobic ammonia oxidizing bacteria is using ammonia nitrogen as electron donor, and using nitrite nitrogen as electron acceptor, reaction generates nitrogen and nitrate nitrogen；Anti- nitre
Change bacterium under anaerobic using additional carbon as electron donor, nitrate nitrogen is reacted as electron acceptor into nitrogen, and denitrogenation is completed
Process；Carbon source is added by chemical feed pipe；
F) sewage backflow and discharge, the sewage that anaerobic zone top is flowed out flow into the bottom of aerobic zone through return pipe, re-start net
Change processing；After sewage treatment, purified water body is discharged by opening outlet pipe.
Sewage of the invention contains heterotroph and nitre from stirring nitrogen rejection facility and sewage water treatment method, using in aerobic slot
Change the active sludge aerobic decomposing organic matter of bacterium and nitrite bacteria, sewage is flowed into anaerobism groove again through denitrifying bacteria
Nitrate nitrogen is reduced to nitrogen by effect, to achieve the purpose that denitrogenate.And it is arranged in anaerobism groove from stirring system, to make additional
Carbon source is sufficiently mixed with sewage, removes nitrogen more complete.
Claims (5)
1. a kind of sewage stirs nitrogen rejection facility, including shell (1), water inlet pipe (4), outlet pipe (18), aeration pump (7), air pump certainly
(11) and chemical feed pipe (12), the internal cavities of shell are divided into aerobic zone (8) and anaerobic zone through vertical first partition (15)
(17), water inlet pipe, outlet pipe are communicated with the upper end of aerobic zone and anaerobic zone respectively；It is characterized by: the bottom of aerobic zone is arranged
Have aeration stone (5), aeration stone is communicated through aeration tube (6) with the gas outlet of aeration pump, be provided in aerobic zone increase microorganism with
The composite filling of sludge contact area；Aerobic zone is communicated with anaerobic zone through connecting tube (9), and the water inlet of connecting tube is located at aerobic zone
Top, water outlet is located at the bottom end of anaerobic zone；Be provided in anaerobic zone outer cover (13), formed in outer cover only lower ending opening every
From chamber (19), the U-tube (14) of two openings upward is provided on outer cover, the open at one end of U-tube is located in separate cavities, another
End opening is located in anaerobic zone；The outlet of chemical feed pipe is located in separate cavities, and air pump transtracheal is communicated with the upper end of separate cavities, is used for
It is passed through the inert gas of such as nitrogen, into separate cavities to realize stirring certainly for anaerobic zone；Return pipe is provided in anaerobic zone
(16), the upper end of return pipe is communicated with outlet pipe, and lower end is communicated with the lower end of aerobic zone.
2. sewage according to claim 1 stirs nitrogen rejection facility certainly, it is characterised in that: be inoculated in the aerobic zone (8)
Activated sludge containing heterotroph, nitrite bacteria and nitrobacteria is inoculated with thin containing Anammox in anaerobic zone (17)
The activated sludge of bacterium and denitrifying bacteria.
3. sewage according to claim 1 or 2 stirs nitrogen rejection facility certainly, it is characterised in that: in the anaerobic zone (17)
Top is provided with the second partition (10) for being divided into two regions, and height of the lower end of second partition apart from bottom is anaerobism
The 1/5 of area's height；Outer cover (13) is set on second partition, and height of the low side of U-tube apart from bottom is anaerobic zone height
1/4。
4. sewage according to claim 1 or 2 stirs nitrogen rejection facility certainly, it is characterised in that: setting in the aerobic zone (8)
There are two parallel filler supports (2), composite filling is fixed on filler support, and the distance between two filler supports are that aerobic zone is high
The 3/5 of degree.
5. a kind of sewage water treatment method for stirring nitrogen rejection facility certainly based on sewage described in claim 1, which is characterized in that pass through
Following steps are realized:
A) sewage flows into, and the sewage containing COD and ammonia nitrogen flows into aerobic zone through water inlet pipe, sewage in aerobic zone from top to bottom
Flowing；
B) Air Exposure, aeration pump blast air to the bottom of aerobic zone through aeration tube and aeration pump, make in sewage and air
Oxygen comes into full contact with, and the amount of oxygen dissolved in sewage meets the needs of aerobic reaction；
C) aerobic zone biochemical reaction, the biochemical reaction of aerobic zone include the degradation of organic matter and the oxidation of ammonia nitrogen, the drop of organic matter
Solution includes following three phases:
C-1) absorption phase, pollutant in sewage in the microorganism contact process in activated sludge, by by microorganism shape
At floccule body absorption and adhesion；
C-2) oxidation stage, under aerobic conditions, microorganism is nutrition using the intracorporal organic matter that is partially ingested, and synthesis is thin
Born of the same parents' substance, another part organic matter, which is decomposed, to be metabolized and releases energy；
The thallus in c-3) formation of floccule body and coagulative precipitation stage, oxidation stage synthesis flocculates into floccule body, and floccule body passes through
Gravity precipitating is separated from the water out, so that water outlet is purified；
The oxidation process of ammonia nitrogen are as follows:
C-4) oxidation of ammonia nitrogen is completed by nitrite bacteria and nitrobacteria, and nitrite bacteria and nitrobacteria will using oxygen
Part ammonium oxidation is nitrite nitrogen and nitrate nitrogen；
D) sewage flow flows into the bottom of anaerobic zone through connecting tube after sewage is processed in aerobic zone；
E) anaerobic zone biochemical reaction, anaerobic zone biochemical reaction includes Anammox reaction and anti-nitration reaction, in anaerobic condition
Lower anaerobic ammonia oxidizing bacteria is using ammonia nitrogen as electron donor, and using nitrite nitrogen as electron acceptor, reaction generates nitrogen and nitrate nitrogen；Anti- nitre
Change bacterium under anaerobic using additional carbon as electron donor, nitrate nitrogen is reacted as electron acceptor into nitrogen, and denitrogenation is completed
Process；Carbon source is added by chemical feed pipe；
F) sewage backflow and discharge, the sewage that anaerobic zone top is flowed out flow into the bottom of aerobic zone through return pipe, re-start net
Change processing；After sewage treatment, purified water body is discharged by opening outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996534.2A CN109095606A (en) | 2018-08-29 | 2018-08-29 | A kind of sewage is from stirring nitrogen rejection facility and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996534.2A CN109095606A (en) | 2018-08-29 | 2018-08-29 | A kind of sewage is from stirring nitrogen rejection facility and method |
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| Publication Number | Publication Date |
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| CN109095606A true CN109095606A (en) | 2018-12-28 |
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ID=64864073
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| CN107055948A (en) * | 2017-03-10 | 2017-08-18 | 北京化工大学 | A kind of certainly stirring purification tank of easy assembly and disassembly |
| CN206955746U (en) * | 2016-11-25 | 2018-02-02 | 中山大学 | Circulation baffled reactor in a kind of |
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2018
- 2018-08-29 CN CN201810996534.2A patent/CN109095606A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104031828A (en) * | 2014-06-16 | 2014-09-10 | 戚伟康 | Novel cylinder unpowered automatic mixing anaerobic fermentation reactor |
| CN105906039A (en) * | 2016-06-06 | 2016-08-31 | 中国石油天然气集团公司 | Oil refining catalyst sulfide-containing wastewater denitrification technology and application thereof |
| CN106430587A (en) * | 2016-11-07 | 2017-02-22 | 北京化工大学 | Two-stage automatic stirring sewage purifying tank with denitrification function |
| CN206955746U (en) * | 2016-11-25 | 2018-02-02 | 中山大学 | Circulation baffled reactor in a kind of |
| CN106745737A (en) * | 2016-12-17 | 2017-05-31 | 杭州师范大学 | A kind of short distance nitration Anammox manifold type denitrification reactor |
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