CN109704458A - A method of the culture processing thermophilic salt particle sludge of high-salt wastewater - Google Patents
A method of the culture processing thermophilic salt particle sludge of high-salt wastewater Download PDFInfo
- Publication number
- CN109704458A CN109704458A CN201910130004.4A CN201910130004A CN109704458A CN 109704458 A CN109704458 A CN 109704458A CN 201910130004 A CN201910130004 A CN 201910130004A CN 109704458 A CN109704458 A CN 109704458A
- Authority
- CN
- China
- Prior art keywords
- sludge
- salt
- thermophilic
- gas
- sedimentation time
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Activated Sludge Processes (AREA)
- Treatment Of Sludge (AREA)
Abstract
A method of thermophilic salt particle sludge is cultivated, belongs to field of biological sewage treatment, the principle of the invention: (1) improving influent load rapidly, the EPS of halophilic microorganism is stimulated to secrete.Microorganism acts on apposition growth by the binding of EPS, and mature thermophilic salt active particle sludge is formed under the action of hydraulic shear；(2) collective effect of long sedimentation time and short sedimentation time.The early period long sedimentation time reaches growth of the halophilic microorganism in reactor；The short sedimentation time in later period provides selection pressure to granulating.The thermophilic salt active particle sludge that culture of the present invention is formed, sludge source multiplicity, technically simple, since the microorganism of enrichment is from the Halophiles group of estuary silting, salinity tolerance range can retain closely knit morphosis between 1%-10%.The sedimentation time is substantially reduced, effectively shortens and process cycle and guarantees treatment effect, realize the quick processing of high-salt wastewater, realizes short distance nitration, reduces by 30% energy consumption.
Description
Technical field
The present invention proposes a kind of method for cultivating thermophilic salt particle sludge, realizes high-salt wastewater biological treatment.The invention belongs to
Field of biological sewage treatment, especially high-salt wastewater biological treatment field.
Background technique
Due to containing a large amount of inorganic salts in high-salt wastewater, fresh water microorganism can not survive under hypersaline environment, cannot achieve
The function of contaminant degradation.High-salt wastewater biological treatment is realized for how to improve microorganism salt resistance ability, and researcher proposes very
More solutions.There is researcher to propose the salt resistance ability for improving fresh water activated sludge in a manner of salinity domestication.For example, patent Shen
Please number CN200910191713.X propose a kind of common fresh water activated sludge building high-salt wastewater biological treatment system of taming
Apparatus and method.The principle of this method is to provide the flora of certain salt resistance ability using different salinity gradient domestications to realize
The processing of brine waste；Also researcher proposes the salt tolerant energy for improving fresh water microorganism by way of adding osmotic pressure regulator
Power.For example, number of patent application CN201110346190.9 proposes to improve fresh water activity dirt by adding certain density potassium ion
The technical method of mud salt resistance ability；Also there is researcher using screening Halophiles and be added in fresh water activated sludge, promote sludge
Salt resistance ability, solve high-salt wastewater biological treatment problem.Halophiles is the quasi-microorganism for being different from fresh water microorganism, it has
There is unique osmoregulatory mechanism, can survive under hypersaline environment.For example, number of patent application CN201711090718.4
Technical principle is to filter out efficient Halophiles from butcher's meat using bacterial screening method, will be added after the amplification culture of these Halophiles
High-salt wastewater processing is carried out into activated sludge.The common feature of above technical method is to realize high-salt wastewater biological treatment
Main body microorganism is all fresh water activated sludge.Also there is researcher directly to develop thermophilic salt activated sludge to realize as biological treatment main body
High-salt wastewater biological treatment.For example, number of patent application CN201110028711.6 is directly sent out in a manner of being inoculated with estuary bed mud
Opening up thermophilic salt activated sludge realizes the removal of organic matter and nutrition pollutant under hypersaline environment.More thermophilic salt sludge and fresh water sludge
Processing high-salt wastewater can find that the biological treatment under higher salinity may be implemented in thermophilic salt sludge technology, and have anti impulsion load energy
Power is strong, the advantage of pollutant process effect stability.But thermophilic salt activated sludge and fresh water activated sludge are when handling high-salt wastewater
The problems such as sludge settlement rate is slow, and sludge wadding body is small, and water outlet suspended sediment concentration is high, sludge loss can generally be encountered.The present invention
It is to propose a kind of technical method by thermophilic salt granular sludge for thermophilic salt activated sludge, solves what high-salt wastewater processing encountered
Sludge loss and settlement issues realize the reservation of high-biomass in reactor.Although the technology of fresh water active sludge granulation
Has more research, but thermophilic salt granular sludge technology has not been reported.This is primarily due to the biological physiology of thermophilic salt sludge
Characteristic is substantially distinguished from fresh water activated sludge, and fresh water granular sludge method not can be used directly in thermophilic salt sludge.In addition, at this
Realize that granulating needs to overcome the physical condition of osmotic pressure environment and polymolecularity under the special hypersaline environment of kind, which increase thermophilic salt
The difficulty of granular sludge.
Summary of the invention
The purpose of the present invention is thermophilic salt active sludge granulations, solve sludge loss and sedimentation in high-salt wastewater biological treatment
Problem.
The device proposed by the present invention for realizing thermophilic salt active sludge granulation is well known sbr reactor device.It include: sewage original
Water tank (1) is connect by water inlet peristaltic pump (2) with gas-lifting type active particle sludge sbr reactor device (3).Gas-lifting type active particle is dirty
Mud sbr reactor device (3) is equipped with feeder aeration pump (3.1), gas flowmeter (3.2), aeration plate (3.3)；And further match
Have online DO, pH detection device (3.4) and temperature control device (3.5).
Process flow is that high-salt wastewater is lifted by sequentially connected sewage raw water box (1) by water inlet peristaltic pump (2)
In gas-lifting type active particle sludge sbr reactor device (3).Electrochemical parameter information is obtained by pH, DO, ORP monitor (3.4).
Temperature is controlled by temperature controller (2.5).Pass through aeration pump (3.1), gas flowmeter (3.2) and aeration plate by aerobic aeration
(3.3) gas-lifting type active particle sludge sbr reactor device (3) is aerated.
Above-mentioned apparatus according to process flow realize thermophilic salt active sludge granulation the step of include:
Step 1: the thermophilic salt sludge after inoculation enrichment guarantees SBR in gas-lifting type active particle sludge sbr reactor device (3)
Sludge concentration is in 3000mg/L or more in reactor (3).
Step 2: injecting sanitary sewage in the sewage raw water water tank (1), and add crude salt or sodium chloride is adjusted to 2.5%-
The sanitary wastewater with high salt of 4.0% salinity, the former water inlet as granulating culture.
Step 3: fill phase is injected the sanitary wastewater with high salt configured in raw water water tank (1) using water inlet peristaltic pump (2)
In gas-lifting type active particle sludge sbr reactor device (3).
Step 4: aeration pump (3.1) are opened in aeration phase, deliver air to aeration plate (3.3) by linking pipeline,
Air enters in sbr reactor device (3) from aeration plate.Adjusting gas flow meter (3.2) controls gas feed flow rate, and control gas flow rate exists
Between 1-2L/min, dissolved oxygen is between 3-4mg/L.Aeration phase continues 4-8h.
Step 5: entering precipitate phase, close aeration pump (3.1) at this time, set the sedimentation time as 10-15min, it is heavy to reach
The drain valve in the middle part of sbr reactor device is opened after the time of shallow lake, it is 50% that the draining of setting, which is compared,.
Thermophilic salt activated sludge source in the above method is estuary silting, and environment salinity is in 0.2%-3%.It chooses
It position should be within urban sewage mouth 500m.Meanwhile the surface layer mud of silting surface 2-5cm depth down should be chosen.
In above-mentioned steps 4,20-35 DEG C is maintained at the temperature in temperature controller regulation sbr reactor device (3).
In above-mentioned steps 4, sanitary wastewater influent load with high salt is not adjusted, maintains original COD in 200-400mg/
L。
In the above method, repeating step 2- step 5 is a cycle, 3-5 cycle period is arranged daily, when period distances
Between be set as 0.5-1h, sedimentation time 10-15min is continuously run 40-60 days.Change operating procedure parameter later:
The organic carbon sources such as glucose, sucrose, fructose or starch are added in step 2 into sanitary sewage, adjust COD concentration
In 800-1200mg/L, salinity is remained unchanged.The sedimentation time it will be set as 2-5min in step 5.
Other step invariant parameters are constant, and repeating step 2- step 5 is a cycle, and 3-5 cycle period is arranged daily,
Period interval time is set as 0.5-1h.It continuously runs 20-40 days, completes the culture of thermophilic salt particle sludge.
The device of the invention principle:
Thermophilic salt active sludge granulation technology, it is characterised in that: (1) improve influent load rapidly, stimulate halophilic microorganism
EPS secretion.Microorganism acts on apposition growth by the binding of EPS, and mature thermophilic salt is formed under the action of hydraulic shear
Active particle sludge；(2) collective effect of long sedimentation time and short sedimentation time.The early period long sedimentation time realizes halophilic microorganism
Growth in reactor；The short sedimentation time in later period provides selection pressure for granulating.
Instantaneously improved under aerobic condition proposed by the present invention influent load realize the device of thermophilic salt active sludge granulation with
Technical method has the advantage that
(1) thermophilic salt particle sludge has been cultivated, high-salt wastewater biological treatment is realized；
(2) thermophilic salt granule sludge living solves that the biomass occurred in high-salt wastewater antimicrobial treatment process is few, sludge stream
Lose the problems such as serious, population structure is single；
(3) processing for solving conventional physical chemical method to the efficient process of high-salt wastewater of thermophilic salt active particle sludge
The problems such as at high cost；
Beneficial effects of the present invention embody are as follows:
(1) the thermophilic salt active particle sludge that present invention culture is formed, since the microorganism of enrichment is become silted up from estuary deposition
The Halophiles group of mud, salinity tolerance range can retain closely knit morphosis between 1%-10%.
(2) sedimentation time is substantially reduced, effectively shortens process cycle, realizes the quick processing of high-salt wastewater.
(3) thermophilic salt active particle sludge realizes short distance nitration, 30% energy consumption is reduced, to reduce the processing of high-salt wastewater
Cost.
(4) present invention develops the thermophilic salt active particle sludge to be formed with estuary silting, and sludge source multiplicity is realized
It is technically simple, convenient for operating and realizing engineering.
Detailed description of the invention
Fig. 1 be it is aerobic under the conditions of improve influent load and realize the apparatus structure schematic diagram of thermophilic salt active sludge granulation.(1)
Sewage raw water box, (2) water inlet peristaltic pump, the connection of (3) gas-lifting type active particle sludge sbr reactor device, (3.1) feeder,
(3.2) gas flowmeter, (3.3) aeration plate, (3.4) DO, pH detection device, (3.5) temperature control device.
Fig. 2 is that the aerobic thermophilic salt active sludge granulation technical method of the embodiment of the present invention granulates change of size figure, and Fig. 3 is
Handle sanitary sewage efficiency chart with high salt.Wherein CODinRepresent influent COD, CODefRepresent water outlet COD, NH4 +-NinRepresent water inlet ammonia
Nitrogen, NH4 +-NinRepresent water outlet ammonia nitrogen.NO3 --NinRepresent influent ammonia nitrogen, NO3 --NefNitrate nitrogen concentration when representing end cycle,
NO2 --NinRepresent water inlet nitrite nitrogen concentration, NO2 --NefRepresent water outlet nitrite nitrogen concentration.
Specific embodiment
Further illustrate that technology of the invention realizes that the present invention is not limited to following implementations in conjunction with attached drawing and following case
Example.
Embodiment 1
Step 1: it is dirty to be seeded to gas-lifting type active particle after enrichment culture early period for the bed mud of the city Qu Mou estuary 400m
In mud sbr reactor device (3), volatile solid concentration 3000mg/L is kept.
Step 2: injecting sanitary sewage in the sewage raw water water tank (1), and add 30g/L crude salt or sodium chloride is adjusted to
The sanitary wastewater with high salt of 3% salinity, the former water inlet as granulating culture.The COD concentration 200-400mg/L of the sanitary sewage,
Ammonia nitrogen concentration 45-55mg/L.
Step 3: fill phase is injected the sanitary wastewater with high salt configured in raw water water tank (1) using water inlet peristaltic pump (2)
In gas-lifting type active particle sludge sbr reactor device (3).
Step 4: opening aeration pump (3.1) in aeration phase, deliver air to aeration plate (3.3) by linking pipeline.
Adjusting gas flow meter (3.2) controls gas feed flow rate, controls gas flow rate in 2L/min, dissolved oxygen is between 3-4mg/L.Aeration
Stage continues 4h.
Step 5: entering precipitate phase, close aeration pump (3.1) at this time, after the sedimentation time reaches 10min, it is anti-to open SBR
The drain valve in the middle part of device is answered, excludes supernatant control draining than being 50%.
In above-mentioned steps 4,25 DEG C are maintained at the temperature in temperature controller regulation sbr reactor device (3).
Continuous operation the 60th day, Glucose Carbon is added by sanitary wastewater with high salt into sewage raw water water tank (1) in step 2
Source adjusts COD concentration in 800mg/L.Sedimentation time near 2min in steps of 5.
In the above method, 4 cycle periods of setting, period interval time are set as 0.5h to step 3- step 5 daily.It examines weekly
Reactor (3) interior activated sludge partial size is surveyed, continuous operation forms stable thermophilic salt particle sludge after 30 days.
Form mature granular sludge of the average grain diameter between 1155 ± 102 μm.The partial size of thermophilic salt active particle sludge
Variation and micro- sem observation surface characteristics are shown in Fig. 2.In sbr reactor device (3), the treatment effeciency of high-salt wastewater with granulating into
Journey has obtained efficient process.Final COD removal rate reaches 90% or more, and ammonia nitrogen removal effect is 70%, and ammoxidation product is
Nitrite (Fig. 3).
Claims (2)
1. a kind of method of the culture processing thermophilic salt particle sludge of high-salt wastewater, which is characterized in that specific steps include:
Step 1: the thermophilic salt sludge after inoculation enrichment guarantees that gas-lifting type is living in gas-lifting type active particle sludge sbr reactor device (3)
Sludge concentration is in 3000mg/L or more in property granule sludge sbr reactor device (3)；
Step 2: injecting sanitary sewage in the sewage raw water water tank (1), and add crude salt or sodium chloride is adjusted to 2.5%-4.0%
The sanitary wastewater with high salt of salinity, the former water inlet as granulating culture；
Step 3: the sanitary wastewater with high salt configured in raw water water tank (1) is injected gas lift using water inlet peristaltic pump (2) by fill phase
In formula active particle sludge sbr reactor device (3)；
Step 4: opening aeration pump (3.1) in aeration phase, deliver air to aeration plate (3.3), air by linking pipeline
Enter in gas-lifting type active particle sludge sbr reactor device (3) from aeration plate；Adjusting gas flow meter (3.2) controls gas feed flow rate,
Gas flow rate is controlled between 1-2L/min, dissolved oxygen is between 3-4mg/L；Aeration phase continues 4-8h；
Step 5: entering precipitate phase, close aeration pump (3.1) at this time, set the sedimentation time as 10-15min, when reaching precipitating
Between after open gas-lifting type active particle sludge sbr reactor device (3) drain valve, it is 50% that the draining of setting, which is compared,；
Repeating step 2- step 5 is a cycle, and 3-5 cycle period is arranged daily, and period interval time is set as 0.5-1h, is sunk
Form sediment time 10-15min, continuously runs 40-60 days；
Later, change operating parameter；Organic carbon source is added in step 2 into sanitary sewage, adjusts COD concentration in 800-
1200mg/L, salinity remain unchanged；The sedimentation time it will be set as 2-5min in step 5；Repeating step 2- step 5 is a week
Phase, 3-5 cycle period is set daily, period interval time is set as 0.5-1h；It continuously runs 20-40 days, completes thermophilic salt particle
The culture of sludge.
2. according to the method described in claim 1, it is characterized by: thermophilic salt activated sludge source is estuary silting, ring
Border salinity is in 0.2%-3%；Chosen position should be within urban sewage mouth 500m；Meanwhile silting surface should be chosen
The surface layer mud of 2-5cm depth down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130004.4A CN109704458B (en) | 2019-02-21 | 2019-02-21 | Method for culturing and treating halophilic granular sludge in high-salinity wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130004.4A CN109704458B (en) | 2019-02-21 | 2019-02-21 | Method for culturing and treating halophilic granular sludge in high-salinity wastewater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109704458A true CN109704458A (en) | 2019-05-03 |
| CN109704458B CN109704458B (en) | 2021-10-01 |
Family
ID=66263705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910130004.4A Active CN109704458B (en) | 2019-02-21 | 2019-02-21 | Method for culturing and treating halophilic granular sludge in high-salinity wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109704458B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111621460A (en) * | 2020-05-23 | 2020-09-04 | 北京工业大学 | Method for promoting halophilic activated sludge flora to secrete extracellular polymers |
| CN111748588A (en) * | 2020-07-20 | 2020-10-09 | 北京工业大学 | Method for increasing yield of Halofax mediterranei fermentation polyhydroxyalkanoate |
| CN112110539A (en) * | 2020-09-07 | 2020-12-22 | 大连海洋大学 | Harmless treatment method of mariculture substrate sludge with enhanced nitrogen and phosphorus removal efficiency |
| CN113104964A (en) * | 2021-04-06 | 2021-07-13 | 青岛理工大学 | Starting method and device for high-salinity wastewater aerobic granular sludge by taking intertidal zone sediment as inoculation system |
| CN114684911A (en) * | 2022-03-01 | 2022-07-01 | 华东理工大学 | Salt-tolerant aerobic granular sludge forming method based on moderate halophilic flora and application thereof |
| CN114804338A (en) * | 2022-04-06 | 2022-07-29 | 北京师范大学 | Short-cut nitrification granular sludge applied to high-salt high-ammonia nitrogen wastewater treatment and culture method |
| CN115057523A (en) * | 2022-05-06 | 2022-09-16 | 湖南英韦尔特环保科技有限公司 | SBR wastewater treatment device and treatment method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008017713A (en) * | 2006-07-10 | 2008-01-31 | Japan Science & Technology Agency | Method for enrichment culture of ammonia-oxidizing bacterium community and denitrifying bacterium community |
| CN102153199A (en) * | 2011-01-26 | 2011-08-17 | 北京工业大学 | Device and method for short-range denitrification biological treatment of high-salt wastewater |
| CN102849857A (en) * | 2012-04-10 | 2013-01-02 | 南京大学 | Method for treating high-salinity high-concentration ammonia-nitrogen wastewater |
-
2019
- 2019-02-21 CN CN201910130004.4A patent/CN109704458B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008017713A (en) * | 2006-07-10 | 2008-01-31 | Japan Science & Technology Agency | Method for enrichment culture of ammonia-oxidizing bacterium community and denitrifying bacterium community |
| CN102153199A (en) * | 2011-01-26 | 2011-08-17 | 北京工业大学 | Device and method for short-range denitrification biological treatment of high-salt wastewater |
| CN102849857A (en) * | 2012-04-10 | 2013-01-02 | 南京大学 | Method for treating high-salinity high-concentration ammonia-nitrogen wastewater |
Non-Patent Citations (2)
| Title |
|---|
| YU JIANG等: "Investigation of rapid granulation in SBRs treating aniline-rich wastewater with different aniline loading rates", 《SCIENCE OF THE TOTAL ENVIRONMENT》 * |
| 许志茹等: "《活性污泥微生物学与分子生物学》", 31 July 2017, 哈尔滨工业大学出版社 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111621460A (en) * | 2020-05-23 | 2020-09-04 | 北京工业大学 | Method for promoting halophilic activated sludge flora to secrete extracellular polymers |
| CN111621460B (en) * | 2020-05-23 | 2022-06-21 | 北京工业大学 | Method for promoting halophilic activated sludge flora to secrete extracellular polymers |
| CN111748588A (en) * | 2020-07-20 | 2020-10-09 | 北京工业大学 | Method for increasing yield of Halofax mediterranei fermentation polyhydroxyalkanoate |
| CN111748588B (en) * | 2020-07-20 | 2022-06-07 | 北京工业大学 | Method for increasing yield of Halofax mediterranei fermentation polyhydroxyalkanoate |
| CN112110539A (en) * | 2020-09-07 | 2020-12-22 | 大连海洋大学 | Harmless treatment method of mariculture substrate sludge with enhanced nitrogen and phosphorus removal efficiency |
| CN113104964A (en) * | 2021-04-06 | 2021-07-13 | 青岛理工大学 | Starting method and device for high-salinity wastewater aerobic granular sludge by taking intertidal zone sediment as inoculation system |
| CN113104964B (en) * | 2021-04-06 | 2022-10-28 | 青岛理工大学 | Starting method and device for high-salinity wastewater aerobic granular sludge by taking intertidal zone sediment as inoculation system |
| CN114684911A (en) * | 2022-03-01 | 2022-07-01 | 华东理工大学 | Salt-tolerant aerobic granular sludge forming method based on moderate halophilic flora and application thereof |
| CN114804338A (en) * | 2022-04-06 | 2022-07-29 | 北京师范大学 | Short-cut nitrification granular sludge applied to high-salt high-ammonia nitrogen wastewater treatment and culture method |
| CN115057523A (en) * | 2022-05-06 | 2022-09-16 | 湖南英韦尔特环保科技有限公司 | SBR wastewater treatment device and treatment method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109704458B (en) | 2021-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109704458A (en) | A method of the culture processing thermophilic salt particle sludge of high-salt wastewater | |
| CN102010058B (en) | Aerobic granular sludge culture method suitable to low-concentration domestic sewage | |
| CN104671615A (en) | Process for treating livestock and poultry breeding sewage entering Lake Taihu | |
| CN102092846B (en) | Continuous culture method of aerobic granular sludge with synchronous denitrification and decarbonization | |
| CN101898829A (en) | Method for starting salt tolerant anammox reactor | |
| CN102701442A (en) | Quick starting method of water source biological denitrification system | |
| CN104961229A (en) | Nitrifying bacterium microbial film and preparing method of nitrifying bacterium microbial film | |
| CN104355404B (en) | A kind of method and apparatus quickly realizing biofilter Anammox | |
| CN103601287A (en) | Culture method of aerobic nitrosification granule sludge | |
| CN104528933A (en) | Method for realizing continuous-flow city sewage autotrophic nitrogen removal based on FNA treatment of sludge | |
| CN103787511A (en) | Method for achieving partial nitrification and denitrification by shortening sedimentation time | |
| CN107364954B (en) | Reactor with sludge discharge device for strengthening stable operation of aerobic granular sludge and method | |
| CN103708616A (en) | Method for culturing nitrosation granular sludge by matching with anaerobic ammonia oxidation | |
| CN114057284B (en) | Device and method for improving salt impact resistance of anaerobic ammonia oxidation particle system based on quorum sensing | |
| CN103723829B (en) | Culture apparatus and method for complete autotrophic nitrogen removal granule sludge | |
| CN109315339B (en) | Batch-type industrial recirculating aquaculture method | |
| CN102153199B (en) | Method for short-range denitrification biological treatment of high-salt wastewater | |
| CN105060648A (en) | Industrial circulating water fish-culture denitrification zero-emission system | |
| CN104876330A (en) | Aerobic granular sludge system construction and operation method for treating culture biogas slurry | |
| CN110240283B (en) | Device and method for treating salt-containing organic wastewater by adopting deep-sea microorganisms | |
| CN103373761B (en) | Method for treating industrial circulating water | |
| CN112358041B (en) | Granular sludge culture method for synchronous denitrification and methane production and COD removal | |
| CN213085576U (en) | Device for continuously culturing aerobic granular sludge by coupling electric flocculation and cyclone separator | |
| CN114590888A (en) | Efficient biological nitrification method for source separation of urine sewage | |
| CN109851154B (en) | A2Nitrogen and phosphorus recovery real-time control device for O-BCO process and control method thereof |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |