CN106219755A - A kind of device utilizing three grades of biofilter synchronous denitrification dephosphorizings and processing method thereof - Google Patents
A kind of device utilizing three grades of biofilter synchronous denitrification dephosphorizings and processing method thereof Download PDFInfo
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- CN106219755A CN106219755A CN201610873537.8A CN201610873537A CN106219755A CN 106219755 A CN106219755 A CN 106219755A CN 201610873537 A CN201610873537 A CN 201610873537A CN 106219755 A CN106219755 A CN 106219755A
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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
- C02F3/308—Biological phosphorus removal
Abstract
The invention belongs to technical field of sewage, relate to a kind of device utilizing three grades of biofilter synchronous denitrification dephosphorizings and processing method thereof.This device is formed by the UNICOM that intersects, completely identical in structure three biofilter tandem compounds.Device cycling service, each cycle of operation is completed by operating mode one and 2 two kinds of operating mode alternate combinations of operating mode, and during operating mode one, the running status in three filter tanks is respectively anaerobism, aerobic, anoxia；During operating mode two, the running status in three filter tanks is respectively anoxia, aerobic, anaerobism.In device, three filter tanks are separate, and Denitrifying Phosphate Accumulating Organisms is in biofilter 1 and biofilter 3, and nitrifier is in biofilter 2, it is achieved that nitrifier separates with Denitrifying Phosphate Accumulating Organisms.Present configuration is compact, and modular construction is easy to later stage reorganization and expansion, saves carbon source, aeration rate, reduces sludge yield, saves sludge settling, and nitrification liquid refluxes, the step of sludge reflux, reduces cost, effectively realizes synchronous denitrification dephosphorizing.
Description
Technical field
The invention belongs to technical field of sewage, particularly relate to one and utilize three grades of biofilter synchronous denitrification dephosphorizings
Device and processing method.
Background technology
Along with the increase of wastewater emission amount, being widely used of chemical fertilizer, synthetic detergent and pesticide, the nutrient in water body
Matter concentration constantly raises, and nitrogen, phosphorus are the one of the main reasons causing body eutrophication.Conventional biochemical processing process is permissible
Effectively reduce the BOD of sewage5And SS, but the highest to nutrient removal rates such as simultaneous in sewage N, P, cause containing in a large number
Phosphorus sewage is directly discharged into water body.And wastewater treatment in China discharge standard improves day by day, sewage disposal is had higher requirement,
But due to municipal sewage, to there is carbon-nitrogen ratio low, and conventional denitrification dephosphorization technique is difficult to be removed efficiently, therefore seeks a kind of new
Technique device come more stable, economical, realize synchronous denitrification dephosphorizing efficiently water environment had important practical significance.
Tradition enhanced biological phosphorus removal (EBPR) technique is prone to rich based on polyP bacteria (PAOs) under the conditions of alternately aerobic/anaerobic
The feature of collection, plays Removal by anaerobic phosphorus release, aerobic phosphorus absorption mode, but there is the big and denitrification flora mud that consumes energy
Age is different, fight for the problems such as carbon source.Existing process for removing nitrogen and phosphor from sewage is to avoid polyP bacteria and the mutual of denitrifying bacteria to do
Disturb, the most as far as possible denitrogenation and dephosphorization are separated, even if some technique overcomes nitrate (or nitrite) to PAOs not
Good impact, but often add structures and operating cost so that process complexity becomes big.Therefore, sewage treatment process is explored
In the new theory of denitrogenation dephosphorizing and technology, and then improve treatment effect, reduce energy consumption, to realize maximum environmental benefit and warp
Ji benefit is very urgent.
Denitrifying Phosphate Accumulating Organisms can carry out denitrification for electron acceptor with nitrate nitrogen or nitrite nitrogen while inhaling phosphorus, should
Bacterium can not only complete denitrification and the dual purpose of effective poly-phosphorus by metabolism, with traditional denitrifying bacteria-polyP bacteria
Combined denitrification dephosphorization process is compared, and this quasi-microorganism can also be saved the carbon source of 50%, the aeration rate of 30% and reduce the mud product of 50%
Amount.It is a kind of efficient, low energy consumption and continuable stabilization technique that the Denitrifying Phosphate Accumulating Organisms screened is used for sewage disposal, to water
The improvement of body eutrophication has great potential and significance.
Biofilter, as a kind of ancient and energetic sewage treatment process, has contained by unit volume biological
Amount is high, be not likely to produce sludge bulking, capital expenditure is few, floor space is little, operating cost is low and the advantage such as convenient management, to it
Research increasingly by the attention of insider and day by day enrich, but what existing biofilter synchronous denitrification dephosphorizing realized
Less.
The present invention is denitrification dephosphorization theory to be applied in biofilter, and utilize three grades of biofilters alternately tames training
Raise Denitrifying Phosphate Accumulating Organisms, be equipped with rational operation process, it is achieved the synchronous denitrification dephosphorizing of biofilter.This device is by biological filter
Pond is not likely to produce sludge bulking, capital expenditure is few, floor space is little, operating cost is low and the advantage of convenient management is gathered with denitrification
Carbon source, aeration rate are saved in phosphorus bacterium dephosphorization, and the advantage reducing sludge yield combines, and can save nitrification liquid internal reflux simultaneously
And the process of sludge reflux, reduce cost, effectively realize synchronous denitrification dephosphorizing.
Summary of the invention
It is an object of the invention to remove the Organic substance in sewage and nitrogen, phosphorus nutrition thing, improve sewage purification rate, it is provided that
A kind of device utilizing three grades of biofilter synchronous denitrification dephosphorizings and processing method thereof.
For solving the problems referred to above, this device is by the UNICOM that intersects, completely identical in structure three biofilter series connection groups
Conjunction forms.Three biofilters are by water inlet pipe, outlet pipe, granular biological filter material layer, supporting layer, support filter plate, aeration tube group
Become.
Device cycling service, each cycle of operation is completed by operating mode one and 2 two kinds of operating mode alternate combinations of operating mode.Operating mode
When one, the running status in three filter tanks is respectively anaerobism, aerobic, anoxia；During operating mode two, the running status in three filter tanks is respectively and lacks
Oxygen, aerobic, anaerobism.
The technical scheme of a kind of device utilizing three grades of biofilter synchronous denitrification dephosphorizings of the present invention and processing method thereof is:
For the moment, sewage initially enters bottom biofilter 1 operating mode, and the bottom-up stream of sewage, when flowing through granular biological filter material layer 55, on it
The Denitrifying Phosphate Accumulating Organisms of apposition growth is a large amount of Organic substances absorbed in sewage under anaerobic state, are converted into internal energy storage
Thing PHB, the Organic substance in water concentration now discharged from biofilter 1 greatly reduces and phosphorus concentration increased；Biofilter 1 goes out
Water enters back into bottom biofilter 2, provides oxygen to biofilter 2 aeration simultaneously, when water the most bottom-up gentle flowing,
Under oxygen medium, on granular biological filter material layer 56, ammonium oxidation is become nitrate nitrogen by the nitrifier of attachment, and aerobic microbiological enters simultaneously
One step removes the Organic substance in sewage, now mainly contains nitrate nitrogen and phosphorus from the water that biofilter 2 is discharged；Biofilter 2
Water outlet enters bottom biofilter 3 and flows up, when flowing through granular biological filter material layer 57, at a upper cycle anaerobic condition on it
Under Denitrifying Phosphate Accumulating Organisms utilize nitrate nitrogen originally to absorb as electron acceptor oxidation Decomposition in this operating mode to be stored in internal having
Machine thing also produces energy, and from sewage excessively, absorb at biofilter 1 anaerobic environment beyond its physiological growth demand
Under state release and the orthophosphate that brings in sewage so that Organic substance and nitrogen and phosphorus thing in final outflow water reach discharge
Standard.
During operating mode two, sewage initially enters bottom biofilter 3, when sewage flows upwardly through granular biological filter material layer 57, its
The Denitrifying Phosphate Accumulating Organisms of upper apposition growth is a large amount of Organic substances absorbed in sewage under anaerobic state, are converted into internal energy storage
Depositing thing PHB, the Organic substance in water concentration now discharged from biofilter 3 greatly reduces and phosphorus concentration increased；Biofilter 3
Water outlet enters bottom biofilter 2, provides oxygen to biofilter 2 aeration simultaneously, when water the most bottom-up gentle flowing,
Under oxygen medium, on granular biological filter material layer 56, ammonium oxidation is become nitrate nitrogen by the nitrifier of attachment, and aerobic microbiological enters simultaneously
One step removes the Organic substance in sewage, now mainly contains nitrate nitrogen and phosphorus from the water that biofilter 2 is discharged；Biofilter 2
Water outlet enters bottom biofilter 1 and flows up, and flows through granular biological filter material layer 55, on it under operating mode one anaerobic condition
Denitrifying Phosphate Accumulating Organisms utilizes nitrate nitrogen originally to absorb as electron acceptor oxidation Decomposition in this operating mode and is stored in internal Organic substance
And produce energy, and from sewage excessively, absorb under the anaerobic environment state of biofilter 3 beyond its physiological growth demand
Release and the orthophosphate that brings in sewage so that Organic substance and nitrogen and phosphorus thing in final outflow water reach discharge standard.
Above-mentioned operating condition can form anaerobism, the environment of anoxia alternate run in biofilter 1 and biofilter 3, for
Denitrifying Phosphate Accumulating Organisms creates good growing environment；In biofilter 2, keep aerobic environment, provide good for nitrobacteria
Growing environment, provides sufficient nitrification liquid for next biofilter.
In device, three filter tanks are separate, it is achieved that nitrifier separates with Denitrifying Phosphate Accumulating Organisms, operating mode one and operating mode two
Between conversion by the Valve controlling on tandem tube and tandem tube, convenient operation.
Three biofilters of described device are column type, fill filter height 1200mm, and internal filling filtrate is pottery
Grain, zeolite, the one of volcanic rock, porous is suitable for growth of microorganism.
What the anaerobic stages in operating mode one and operating mode two utilized is into the Organic substance in water sewage, it is not necessary to add extra
Carbon source, economizes on resources, and is possible not only to removal organic polluter, and can go to denitrogenate and phosphorus nutrition thing simultaneously.
Present configuration is compact, and modular construction is easy to later stage reorganization and expansion, saves carbon source, aeration rate, reduce sludge yield,
Saving sludge settling, nitrification liquid refluxes, the step of sludge reflux, reduces cost, effectively realizes synchronous denitrification dephosphorizing.
Accompanying drawing explanation
Fig. 1 is a kind of device utilizing three grades of biofilter synchronous denitrification dephosphorizings of the present invention and processing method schematic diagram thereof.
In Fig. 1: (1) biofilter 1;(2) biofilter 2;(3) biofilter 3;(4) foul water tank;(5) sewage enters
Water pipe;(6) sewage water inlet pipe；(7) tandem tube；(8) tandem tube；(9) tandem tube；(10) tandem tube；(11) sewage water inlet pipe；
(12) outlet pipe；(13) tandem tube；(14) tandem tube；(15) tandem tube；(16) tandem tube；(17) outlet pipe；(18) backwash
Water inlet pipe；(19) backwash water inlet pipe；(20) backwash water inlet pipe；(21) tandem tube；(22) tandem tube；(23) backwash water outlet
Pipe；(24) backwash outlet pipe；(25) backwash outlet pipe；(26) valve；(27) valve；(28) valve；(29) valve；(30)
Valve；(31) valve；(32) valve；(33) valve；(34) valve；(35) valve；(36) valve；(37) valve；(38) valve；
(39) valve；(40) valve；(41) valve；(42) valve；(43) valve；(44) valve；(45) valve；(46) valve；(47)
Valve；(48) backwash air inlet pipe；(49) aeration tube；(50) backwash air inlet pipe；(51) air compressor；(52) air compression
Machine；(53) air compressor；(54) intake pump；(55) granular biological filter material layer；(56) granular biological filter material layer；(57) granule is raw
Thing filter material layer；(58) support filter plate；(59) support filter plate；(60) support filter plate；(61) supporting layer；(62) supporting layer；(63) hold
Torr layer.
Detailed description of the invention
Below in conjunction with Fig. 1, case study on implementation is described further, detailed description of the invention: device cycling service, each
Cycle of operation is completed by operating mode one and 2 two kinds of operating mode alternate combinations of operating mode.Under two kinds of operating conditions, biofilter 1 and biology
Filter tank 3 is in the state of not aeration, and in filter tank, Dissolved Oxygen concentration Control is in aeration in below 0.5mg/L, biofilter 2
Good oxygen condition, in filter tank, Dissolved Oxygen concentration Control is at 3.5 ~ 4.0mg/L.
During operating mode one, the state in three filter tanks is respectively anaerobism, aerobic, anoxia；During operating mode two, the state in three filter tanks is respectively
For anoxia, aerobic, anaerobism.
Operating mode for the moment, enter by the valve 32 on closedown sewage water inlet pipe 11, the valve 36 on backwash water inlet pipe 18, backwash
On water pipe 19 37, on backwash water inlet pipe 20 38, valve 33 in backwash air inlet pipe 48, in backwash air inlet pipe 50
Valve on valve 45 on valve 35, backwash outlet pipe 23, the valve 46 on backwash outlet pipe 24, backwash outlet pipe 25
Valve on door 47, valve 41 on tandem tube 14, the valve 28 on tandem tube 7, the valve 43 on tandem tube 16, tandem tube 9
30, the valve 39 on outlet pipe 12；Open the valve 26 on sewage water inlet pipe 5, the valve 27 on sewage water inlet pipe 6, tandem tube
On valve 42 on valve 40 on 13, the valve 29 on tandem tube 8, tandem tube 15, the valve 31 on tandem tube 10, outlet pipe
Valve 44, valve 34 on aeration tube 49.
For the moment, first sewage successively entered biofilter by sewage water inlet pipe 5, sewage water inlet pipe 6 by foul water tank 4 to operating mode
Bottom 1, the bottom-up stream of sewage, when flowing through granular biological filter material layer 55, on it, the Denitrifying Phosphate Accumulating Organisms of apposition growth is in anaerobism
A large amount of Organic substances absorbed in sewage under state, are converted into internal energy storage thing PHB, now discharge from biofilter 1
Organic substance in water concentration greatly reduces and phosphorus concentration increased；Biofilter 1 water outlet is by tandem tube 13, tandem tube 21, string
Union 8 enters bottom biofilter 2, is provided oxygen by air compressor 52 to biofilter 2 aeration, water is gentle while simultaneously
During bottom-up flowing, under oxygen medium, on granular biological filter material layer 56, ammonium oxidation is become nitrate nitrogen by the nitrifier of attachment,
Aerobic microbiological removes the Organic substance in sewage further simultaneously, now mainly contains nitre state from the water that biofilter 2 is discharged
Nitrogen and phosphorus；Biofilter 2 water outlet is entered bottom biofilter 3 and to upstream by tandem tube 15, tandem tube 22, tandem tube 10
Dynamic, when flowing through granular biological filter material layer 57, Denitrifying Phosphate Accumulating Organisms thereon utilizes nitrate nitrogen as electron acceptor oxygen in this operating mode
It was to absorb under anaerobic condition be stored in internal Organic substance and produce energy in a upper cycle to change decomposition, and excess from sewage
Ground, absorb positive phosphorus that is that biofilter 1 discharges under anaerobic environment state and that bring in sewage beyond its physiological growth demand
Hydrochlorate so that Organic substance and nitrogen and phosphorus thing in final outflow water reach discharge standard.
During operating mode two, the valve 27 on closedown sewage water inlet pipe 6, the valve 36 on backwash water inlet pipe 18, backwash are entered
On water pipe 19 37, on backwash water inlet pipe 20 38, valve 33 in backwash air inlet pipe 48, in backwash air inlet pipe 50
Valve on valve 45 on valve 35, backwash outlet pipe 23, the valve 46 on backwash outlet pipe 24, backwash outlet pipe 25
Valve on door 47, valve 42 on tandem tube 15, the valve 31 on tandem tube 10, the valve 40 on tandem tube 13, tandem tube 8
29, the valve 44 on outlet pipe 17；Open on 32 on the valve 26 on sewage water inlet pipe 5, sewage water inlet pipe 11, tandem tube 16
Valve 43, valve 30 on tandem tube 9, the valve 41 on tandem tube 14, the valve 28 on tandem tube 7, on outlet pipe 12
Valve 34 on valve 39, aeration tube 49.
During operating mode two, first sewage entered the end, biofilter 3 by foul water tank 4 by sewage water inlet pipe 5, sewage water inlet pipe 11
Portion, when sewage flows upwardly through granular biological filter material layer 57, on it, the Denitrifying Phosphate Accumulating Organisms of apposition growth is a large amount of under anaerobic state
Absorb the Organic substance in sewage, be converted into internal energy storage thing PHB, the Organic substance in water now discharged from biofilter 3
Concentration greatly reduces and phosphorus concentration increased；Biofilter 3 water outlet enters raw by tandem tube 16, tandem tube 22, tandem tube 9
Bottom thing filter tank 2, provided oxygen by air compressor 52 to biofilter 2 aeration, at water the most bottom-up gentle stream simultaneously
Time dynamic, under oxygen medium, on granular biological filter material layer 56, ammonium oxidation is become nitrate nitrogen by the nitrifier of attachment, the most aerobic micro-
Organic substance in the biological sewage of removal further, now mainly contains nitrate nitrogen and phosphorus from the water that biofilter 2 is discharged；Biological
Filter tank 2 water outlet is entered bottom biofilter 1 by tandem tube 14, tandem tube 21, tandem tube 7 and is flowed up, and flows through granule raw
Thing filter material layer 55, Denitrifying Phosphate Accumulating Organisms thereon this operating mode utilize nitrate nitrogen as electron acceptor oxidation Decomposition its in operating mode one
For under anaerobic condition absorb be stored in internal Organic substance and produce energy, and from sewage excessively, beyond its physiological growth
Demand and absorb orthophosphate that is that biofilter 3 discharges under anaerobic environment state and that bring in sewage so that final outflow water
In Organic substance and nitrogen and phosphorus thing reach discharge standard.
When biofilter 1 reaches the predetermined loss of flood peak, it is carried out backwash, biofilter 1 is carried out backwash
Time, close valve 39, valve 40, valve 27, valve 28；Open valve 33, valve 36, valve 45.First by air compressor
51 carry out air purge through backwash trachea 48 to biofilter 1, then through backwash water inlet pipe 18, device are carried out air water and combine punching
Wash, close air compressor 51, valve 33 afterwards, then through backwash water inlet pipe 18, device is washed, the water warp of backwash
Backwash outlet pipe 23 goes out.
When biofilter 2 reaches the predetermined loss of flood peak, it is carried out backwash, biofilter 2 is carried out backwash
Time, close valve 41, valve 42, valve 29, valve 30；Open valve 34, valve 37, valve 46.First by air compressor
52 carry out air purge through aeration tube 49 to biofilter 2, then through backwash water inlet pipe 19, device are carried out air water and combine flushing, it
Rear closedown air compressor 52, valve 34, then through backwash water inlet pipe 19, device is washed, the water of backwash is through backwash
Outlet pipe 24 goes out.
When biofilter 3 reaches the predetermined loss of flood peak, it is carried out backwash, biofilter 3 is carried out backwash
Time, close valve 43, valve 44, valve 31；Open valve 35, valve 38, valve 47.First by air compressor 53 through recoil
Scrubber tube 50 carries out air purge to biofilter 3, then through backwash water inlet pipe 20, device is carried out air water and combines flushing, closes afterwards
Closing air compressor 53, valve 35, then wash device through backwash water inlet pipe 20, the water of backwash is through backwash water outlet
Pipe 25 goes out.
Claims (4)
1. utilizing device and the processing method thereof of three grades of biofilter synchronous denitrification dephosphorizings, device characteristic is: by mutually handing over
Fork UNICOM, completely identical in structure three biofilter tandem compounds form, three biofilters by water inlet pipe, outlet pipe,
Granular biological filter material layer, supporting layer, support filter plate, aeration tube form；Its processing method comprises the following steps:
A. for the moment, sewage initially enters bottom biofilter 1 operating mode, and the bottom-up stream of sewage flows through granular biological filter material layer 55
Time, on it, the Denitrifying Phosphate Accumulating Organisms of apposition growth a large amount of Organic substances absorbed in sewage under anaerobic state, are converted into internal
Energy storage thing PHB, the Organic substance in water concentration now discharged from biofilter 1 greatly reduces and phosphorus concentration increased；Raw
Thing filter tank 1 water outlet enters back into bottom biofilter 2, simultaneously provides oxygen to biofilter 2 aeration, water is gentle while from lower to
During upper flowing, under oxygen medium, on granular biological filter material layer 56, ammonium oxidation is become nitrate nitrogen, same fashion by the nitrifier of attachment
Oxygen animalcule removes the Organic substance in sewage further, now mainly contains nitrate nitrogen and phosphorus from the water that biofilter 2 is discharged；
Biofilter 2 water outlet enters bottom biofilter 3 and flows up, when flowing through granular biological filter material layer 57, and denitrification thereon
PolyP bacteria this operating mode utilize nitrate nitrogen as electron acceptor oxidation Decomposition its a upper cycle for anaerobic condition under absorb store
Organic substance in vivo also produces energy, and from sewage excessively, absorb biofilter 3 exist beyond its physiological growth demand
Under anaerobic environment state release and the orthophosphate that brings in sewage so that the Organic substance in final outflow water and nitrogen and phosphorus thing
Reach discharge standard；
B., during operating mode two, sewage initially enters bottom biofilter 3, when sewage flows upwardly through granular biological filter material layer 57, on it
The Denitrifying Phosphate Accumulating Organisms of apposition growth is a large amount of Organic substances absorbed in sewage under anaerobic state, are converted into internal energy storage
Thing PHB, the Organic substance in water concentration now discharged from biofilter 3 greatly reduces and phosphorus concentration increased；Biofilter 3 goes out
Water enters bottom biofilter 2, simultaneously to biofilter 2 aeration, when water the most bottom-up gentle flowing, in oxygen medium
On lower granular biological filter material layer 56, ammonium oxidation is become nitrate nitrogen by the nitrifier of attachment, and aerobic microbiological goes scrubbing further simultaneously
Organic substance in water, now mainly contains nitrate nitrogen and phosphorus from the water that biofilter 2 is discharged；Biofilter 2 water outlet enters raw
Bottom thing filter tank 1 and flow up, flowing through granular biological filter material layer 55, Denitrifying Phosphate Accumulating Organisms thereon utilizes nitre state in this operating mode
Nitrogen as electron acceptor oxidation Decomposition its operating mode one be under anaerobic condition absorb be stored in internal Organic substance and produce energy,
And from sewage excessively, absorb that biofilter 3 discharges under anaerobic environment state and dirty beyond its physiological growth demand
The orthophosphate brought in water so that Organic substance and nitrogen and phosphorus thing in final outflow water reach discharge standard；Above-mentioned operation work
Condition can form anaerobism, the environment of anoxia alternate run in biofilter 1 and biofilter 3, creates good for Denitrifying Phosphate Accumulating Organisms
Good growing environment；In biofilter 2, keep aerobic environment, provide good growing environment for nitrobacteria, for lower all one's life
Thing filter tank provides sufficient nitrification liquid.
2. the device utilizing three grades of biofilter synchronous denitrification dephosphorizings as claimed in claim 1, it is characterised in that each
Cycle of operation is completed by operating mode one and 2 two kinds of operating mode alternate combinations of operating mode, and during operating mode one, the running status in three filter tanks is respectively
Anaerobism, aerobic, anoxia；During operating mode two, the running status in three filter tanks is respectively anoxia, aerobic, anaerobism.
3. the device utilizing three grades of biofilter synchronous denitrification dephosphorizings as claimed in claim 1, it is characterised in that: device
In three filter tanks separate, it is achieved that nitrifier separates with Denitrifying Phosphate Accumulating Organisms, the conversion between operating mode one and operating mode two lead to
Cross the Valve controlling on tandem tube and tandem tube, convenient operation.
4. the device utilizing three grades of biofilter synchronous denitrification dephosphorizings as claimed in claim 1, it is characterised in that: device
Three biofilters be column type, fill filter height 1200mm, internal filling filtrate is haydite, zeolite, volcanic rock
One, porous is suitable for growth of microorganism.
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| CN201610873537.8A CN106219755A (en) | 2016-10-08 | 2016-10-08 | A kind of device utilizing three grades of biofilter synchronous denitrification dephosphorizings and processing method thereof |
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| CN201610873537.8A CN106219755A (en) | 2016-10-08 | 2016-10-08 | A kind of device utilizing three grades of biofilter synchronous denitrification dephosphorizings and processing method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745754A (en) * | 2017-03-13 | 2017-05-31 | 济南大学 | A kind of biofilter of Anammox coupling denitrification dephosphorization and operation method |
| CN106976976A (en) * | 2017-05-17 | 2017-07-25 | 成都理工大学 | A kind of percolating device and its system |
| CN108793406A (en) * | 2018-05-25 | 2018-11-13 | 北京工业大学 | The device and method of the power integrated advanced nitrogen of villages and small towns sewage fine motion |
| CN110004047A (en) * | 2019-03-29 | 2019-07-12 | 浙江大学 | The series connection tubular type hollow fiber membrane device and its method of gathering denitrifying type anaerobic methane oxidation microorganism |
| CN110745943A (en) * | 2019-10-30 | 2020-02-04 | 苏州工业园区清源华衍水务有限公司 | Method for denitrification based on short-term hunger and denitrification biological filter system |
| CN111635063A (en) * | 2019-03-01 | 2020-09-08 | 四川中科翰林环保科技有限公司 | Breeding sewage treatment equipment and method based on artificial intelligence |
| CN111635078A (en) * | 2020-06-18 | 2020-09-08 | 湖南惟创环境科技有限公司 | Sewage treatment system of nitrogen phosphorus content differentiation |
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| CN101525207A (en) * | 2009-04-15 | 2009-09-09 | 郑俊 | Integrated pre-denitrification and denitrogenation biological filter sewerage treatment process |
| CN206069519U (en) * | 2016-10-08 | 2017-04-05 | 济南大学 | A kind of device of utilization three-level biofilter synchronous denitrification dephosphorizing |
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| CN101182075A (en) * | 2007-12-14 | 2008-05-21 | 郑俊 | Biological filter dephosphorizing technique employing alternative aeration |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106745754A (en) * | 2017-03-13 | 2017-05-31 | 济南大学 | A kind of biofilter of Anammox coupling denitrification dephosphorization and operation method |
| CN106976976A (en) * | 2017-05-17 | 2017-07-25 | 成都理工大学 | A kind of percolating device and its system |
| CN108793406A (en) * | 2018-05-25 | 2018-11-13 | 北京工业大学 | The device and method of the power integrated advanced nitrogen of villages and small towns sewage fine motion |
| CN111635063A (en) * | 2019-03-01 | 2020-09-08 | 四川中科翰林环保科技有限公司 | Breeding sewage treatment equipment and method based on artificial intelligence |
| CN110004047A (en) * | 2019-03-29 | 2019-07-12 | 浙江大学 | The series connection tubular type hollow fiber membrane device and its method of gathering denitrifying type anaerobic methane oxidation microorganism |
| CN110004047B (en) * | 2019-03-29 | 2024-04-02 | 浙江大学 | Tandem tube type hollow fiber membrane device for enriching denitrification type anaerobic methane oxidation microorganisms and method thereof |
| CN110745943A (en) * | 2019-10-30 | 2020-02-04 | 苏州工业园区清源华衍水务有限公司 | Method for denitrification based on short-term hunger and denitrification biological filter system |
| CN110745943B (en) * | 2019-10-30 | 2021-11-02 | 苏州工业园区清源华衍水务有限公司 | Method for denitrification based on short-term hunger and denitrification biological filter system |
| CN111635078A (en) * | 2020-06-18 | 2020-09-08 | 湖南惟创环境科技有限公司 | Sewage treatment system of nitrogen phosphorus content differentiation |
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Application publication date: 20161214 |