CN107381791A - The devices and methods therefor of aerobic sludge quick particle - Google Patents

The devices and methods therefor of aerobic sludge quick particle Download PDF

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Publication number
CN107381791A
CN107381791A CN201710571068.9A CN201710571068A CN107381791A CN 107381791 A CN107381791 A CN 107381791A CN 201710571068 A CN201710571068 A CN 201710571068A CN 107381791 A CN107381791 A CN 107381791A
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China
Prior art keywords
reactor
water
matrix
bucket
aerobic sludge
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CN201710571068.9A
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张智明
马柯
朱亮
徐向阳
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Zhejiang University ZJU
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Zhejiang University ZJU
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Priority to CN201710571068.9A priority Critical patent/CN107381791A/en
Publication of CN107381791A publication Critical patent/CN107381791A/en
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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
    • C02F3/02—Aerobic processes
    • C02F3/12—Activated sludge processes
    • C02F3/1236—Particular type of activated sludge installations
    • C02F3/1263—Sequencing batch reactors [SBR]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • 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
    • 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
    • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

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  • 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)
  • Biological Treatment Of Waste Water (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

The invention discloses a kind of devices and methods therefor of aerobic sludge quick particle, belong to technical field of biological treatment of wastewater.The device includes inlet unit, reactor body, aeration unit, water unit and control unit, inlet unit is to include that matrix enters bucket, clear water enters bucket, matrix regulating reservoir, reactor organic loading is controlled by the liquid level sensor regulation water inlet matrix volume positioned at matrix regulating reservoir bottom, and the water quality sensor that organic loading change passes through in out of the bucket determines.The achievable Automated condtrol reactor organic loading of the present invention; ensure that reactor organic loading gradient is successively decreased; the aerobic particle mud that particle diameter is larger, settling velocity is very fast, Stability Analysis of Structures, flora are abundant is formed, solves the problems such as granulating cycle length of prior art generally existing, easy sludge bulking of running, system longtime running is unstable.

Description

The devices and methods therefor of aerobic sludge quick particle
Technical field
The present invention relates to a kind of devices and methods therefor of aerobic sludge quick particle, belongs to biological wastewater treatment technology neck Domain.
Background technology
Pollutional load is high, sludge settling property is good, to strong shock resistance, processing with running for Aerobic Granular Sludge Technology Equipment takes up an area the features such as few, has obvious application advantage in industrial wastewater, field of urban domestic sewage treatment.At present, it is domestic Outer scholar carries out in aerobic particle mud physicochemical structure characteristic, microbial ecological, Mass Transfer Model and formation mechenism etc. Numerous studies, and more pilot plant tests and demonstration project are at home and abroad established, utilized wherein Dutch Delft Polytechnics is learnedTechnique establishes more than 30 seat sewage aerobic granule sludge sewage disposal works on Holland, Spain, Brazil, South Africa and other places Journey, for the industrial wastewaters such as efficient process dairy products, livestock and poultry cultivation and town domestic sewage, the technique can effectively reduce treatment plant Floor space (being contracted to traditional 1/4) simultaneously significantly reduces energy consumption (reducing 20%-30%), is the promising sewage life of a tool Thing treatment technology.
However, being granulated at present under aerobic particle mud technique generally existing underload flow condition, the cycle is long, transports for a long time The problem of row particle easy unstability, this restrict change the extensive use of technique in the world.Therefore, it is fast in exploitation aerobic sludge Fast granulation device, aerobic particle mud structural stability and contaminant removal efficiency are maintained, have very important reality should Use meaning.
The content of the invention
It is an object of the invention to provide a kind of device of aerobic sludge quick particle, automatically adjusted by Automated condtrol Influent load, while sludge quick particle is realized, ensure that aerobic granular sludge reactor is run steadily in the long term.
The device of aerobic sludge quick particle, including inlet unit, reactor body, aeration unit, water unit；Institute The inlet unit stated, including matrix enters bucket and the first immersible pump for extracting matrix, immersible pump connect matrix by pipeline Regulating reservoir water inlet, the delivery port of matrix regulating reservoir are connected to the water inlet above reactor body by the pipeline of provided with electromagnetic valve Mouthful；Level sensor is provided with matrix regulating reservoir；Second be also placed in above reactor body by pipeline connection in scuttlebutt Immersible pump, for the injected clear water into reactor；Described water unit includes second solenoid valve and out of the bucket, reactor body Side wall is provided with delivery port, and delivery port is connected in out of the bucket by the pipeline with second solenoid valve, and water is additionally provided with out of the bucket Matter sensor；Described aeration unit includes air pump, spinner flowmeter and the porous aeration head being sequentially connected, porous aeration head It is arranged at reactor body inner bottom part.
Preferably, COD, NH are included in described water quality sensor4 +- N and turbidimetry module.
Preferably, control unit is additionally provided with, for carrying out central control.Further, the delivery port front end of reactor Provided with microwell plate, water outlet is by entering out of the bucket in reactor after microwell plate.
Preferably, the liquid level meter probes for induction level height are additionally provided with reactor.
Preferably, described delivery port has multiple, it is arranged at intervals at from top to bottom in reactor body side wall.
Another object of the present invention is to provide a kind of aerobic sludge quick particle using any of the above-described described device The method of change, it is specially：Reactor uses SBR process operations, advance seed sludge before operation, and inoculation MLSS is 4-6g/L；Enter Water-based is town sewage, inlet COD concentration 300-800mg/L, covers the COD concentration ranges of general town sewage, instead Device is answered using 4-8 ratio of height to diameter (being advantageous to granular sledge screening effect) and 30%-70% draining ratio；The cycle of operation is 4- 6 hours, it is divided into water, standing, aeration, precipitation, five stages of water outlet, the wherein sedimentation time is 5-15 minutes, and aeration time is 3-5 hours；The water inlet OLR at reactor start-up initial stage is controlled in 4-6kg CODm3d-1, after plant running is stable every 1-2 days with 0.05-0.2kg CODm3d-1Amplitude gradients gradually reduce into water OLR, final system OLR and be down to 2.5-3.5kg CODm3d-1。
Preferably, described seed sludge is derived from municipal sewage plant aeration tank.
Therefore, the present invention has the advantages that：
(1) present invention can realize that feedback control water inlet is organic by optimizing design to the structure for passing in and out water unit Load；
(2) device can be realized aerobic sludge quick particle, greatly speed up culturing sludge by changing influent load With enrichment process.
Due to the method for operation that the present invention is reduced using water inlet OLR gradients, sludge under the conditions of Low loading start up is overcome Time length is granulated, high load capacity starts sludge and the problem of stickiness expansion ultimately results in reactor unstability easily occurs, and can assign reactor Higher contaminant removal efficiency (NH4 +- N, COD and TN clearances are respectively maintained at 90%, 95%, more than 80%) and it is long when Between stable operation.
The process control mode reduced as a result of water inlet OLR gradients, compares the conventional SBR method granular sludge time Shorten 15-20 days, the problem of traditional Starting mode granular sludge time is long, reactor easy unstability is overcome, in actual dirt There is very important realistic meaning in water process.
The aerobic particle mud that the present invention cultivates is faint yellow spheric granules, and average grain diameter 0.2mm, particle diameter is in be distributed just State, grain structure consolidation, surface have gully to ensure dissolved oxygen (DO) and nutriment mass transfer；Compared to ordinary activated sludge, Microorganism in grain sludge is reunited closely, the zoogloea containing higher proportion, and is enriched with solar month of 30 days Pseudomonas, pottery Salmonella in distress and nitrification The functional floras such as Spirillum.
Brief description of the drawings
Fig. 1 is the structural representation of the device of the aerobic sludge quick particle of the present invention；
Fig. 2 is the structural representation of microwell plate in the present invention；
Fig. 3 is the change curve of OLR under the reactor different process in embodiment 1；Wherein R1：OLR gradient rise techniques； R2：OLR gradients reduce technique；R3：OLR Constant process；
Fig. 4 is grain diameter growth pattern under different process in embodiment 1；Wherein R1：OLR gradient rise techniques；R2： OLR gradients reduce technique；R3：OLR Constant process；
Fig. 5 is the variation diagram that gradient reduces contaminant-removal properties after aeration in embodiment 1；
Fig. 6 be embodiment 1 granule sludge 4X microphoto comparison diagrams, wherein a.R1 sludge SEM photograph；B.R2 dirt Mud SEM photograph；C.R3 sludge SEM photograph.
In figure：Air pump 1, spinner flowmeter 2, control unit 3, the first immersible pump 4, matrix bucket 5, matrix regulating reservoir 6, liquid Level sensor 7, the first magnetic valve 8, water inlet 9, the second immersible pump 10, scuttlebutt 11, second solenoid valve 12, water quality sensor 13rd, out of the bucket 14, microwell plate 15.
Embodiment
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings
As shown in figure 1, the device of the aerobic sludge quick particle of the present invention, its overall structure includes air pump 1, rotor Flowmeter 2, control unit 3, the first immersible pump 4, matrix bucket 5, matrix regulating reservoir 6, liquid level sensor 7, the first magnetic valve 8, enter The mouth of a river 9, the second immersible pump 10, scuttlebutt 11, second solenoid valve 12, water quality sensor 13, out of the bucket 14, microwell plate 15.
Wherein inlet unit, including matrix enter bucket 5 and are positioned over the first immersible pump 4 that matrix is entered in bucket 5, for from Matrix, which is entered in bucket 5, extracts matrix.Immersible pump 4 connects the water inlet of matrix regulating reservoir 6, the water outlet of matrix regulating reservoir 6 by pipeline Mouth is connected to the water inlet 9 above reactor body by the pipeline of provided with electromagnetic valve 8.Level sensor is provided with matrix regulating reservoir 6 Device 7, for monitoring pool inner water position height, the matrix volume in pond can be calculated according to pond body cross section size, reaches control Adjust the function of matrix load.The liquid level meter probes for induction level height are additionally provided with reactor body, when clear water injects When volume reaches predetermined value, stop water filling.
Clear water entrance is additionally provided with above reactor body, clear water entrance connects be placed in scuttlebutt 11 second by pipeline Immersible pump 10, for the injected clear water into reactor, matrix is free of in clear water.Water unit includes second solenoid valve 12 and water outlet Bucket 14, reactor body side wall is provided with multiple delivery ports from top to bottom, and one of delivery port passes through with second solenoid valve 12 Pipeline be connected in out of the bucket 14, pipeline can be connected to the water outlets of respective heights when needing and adjusting water outlet height Mouthful, and block other delivery ports.Water quality sensor 13 is additionally provided with out of the bucket 14, includes COD, NH4 +- N and turbidity etc. measure mould Block, can be according to being actually needed carry out additions and deletions.Aeration unit includes air pump 1, the spinner flowmeter 2.1 and porous being sequentially connected Aeration head 2.2, porous aeration head 2.2 are arranged at reactor body inner bottom part.
Whole device carries out central control by control unit 3, and control unit 3 can be adopted as the side such as PLC, single-chip microcomputer Formula realizes, itself and air pump 1, spinner flowmeter 2, the first immersible pump 4, liquid level sensor 7, the first magnetic valve 8, the second immersible pump 10th, second solenoid valve 12, water quality sensor 13 connect respectively.According to each induction installation, automatically control other valves, pump etc. and set It is standby, realize closed-loop control.
In addition, as shown in Fig. 2 due to needing the water quality automatic feedback control influent load in out of the bucket 14 therefore must It must ensure that water outlet water sample is representative.Therefore microwell plate 15 can be provided with delivery port front end, in reactor water outlet pass through micropore Enter out of the bucket 14 after plate 15, the well mixed of water outlet is realized by turbulent flow.
The course of work of the present apparatus is as follows：In advance by the target organic loading input PLC of reactor, calculate The respective mixed volume of matrix and clear water.Then control the first immersible pump 4 to open, matrix is injected into matrix regulating reservoir 6, works as liquid level When sensor 7 senses that matrix volume reaches corresponding height, the first immersible pump 4 is closed, is then turned on the first magnetic valve 8 by base In matter injection reactor.It is then turned on the second immersible pump 10 and clear water is injected into reactor, when liquid level meter probes sense reactor When interior total liquid volume reaches predetermined value, the second immersible pump 10 is closed.And reactor water outlet passes through microwell plate from water outlet bottom of the barrel 15 enter out of the bucket 14, and water outlet COD, NH are determined by water quality sensor 134 +The indexs such as-N, turbidity, when water quality index reaches related Change influent load during condition.Such as when water quality index is less than default index, thus it is possible to vary influent load, specific rules Depending on actual use situation.
The demand of influent load of constantly being adjusted according to effluent quality during aerobic sludge granulation be present, and the system energy Enough meet the use demand.Only need to be by water inlet OLR (organic loading rate, the organic load of different time during use Rate) pre-enter PLC, you can realize adjust automatically.
For example, it is 5.0kg CODm to set reactor initial operating stage water inlet OLR in one embodiment-3·d-1, final dimension It is 3.0kg CODm to hold into water OLR-3·d-1, the OLR ranges of decrease are 0.2-0.5kg CODm-3·d-1, according to effluent quality index Change is automatically adjusted into water OLR.Reactor water outlet enters out of the bucket to ensure that water outlet is insoluble from water outlet bottom of the barrel by microwell plate Thing is fully mixed, and water outlet COD, NH are determined by water quality sensor4 +The indexs such as-N, turbidity, when water quality index is below default During index, then change influent load.
Embodiment 1
In the present embodiment, the aerobic particle mud technique for handling town sewage uses cylinder of the dischargeable capacity for 3.5L Shape sequencing batch reactor (SBR).The main body of reactor for cylinder lucite cylinder, cylinder high 55cm, internal diameter 9cm.Its structure As Fig. 1 and 2 and it is described above shown in, repeat no more.
In the present embodiment, seed sludge is derived from municipal sewage plant aeration tank, shannon index 4.79, it is meant that particle In have higher flora abundance, the horizontal Bacterial community analysis of door finds that Proteobacteria and Bacteroidetes have accounted for more than 65%, These bacteriums are all the critical bacterial populations in aerobic particle mud, and energy aid-device realizes the quick particle of aerobic particle mud. It is town domestic sewage to enter water-based.
Operating process using above-mentioned reactor for treatment town sewage culture aerobic particle mud is as follows：In PLC Control under, reactor according to water inlet-standing-aeration-precipitation-water outlet order run.The initial operation bar of reactor Part is：In 3 hours cycles, wherein intaking 10 minutes, 25 minutes are stood, is aerated 137 minutes, is settled 5 minutes, draining 3 minutes.Reaction The surface gas velocity that the porous aeration head 2.2 of device bottom installation provides is 2.0cms-1, volume-exchange ratio is 50%.Reactor opens At dynamic initial stage, the active floc sludge that sludge concentration is 4.0 ± 0.5g/L is inoculated into above-mentioned reactor, reactor OLR It is pumped into for 5kg COD town sewages by immersible pump 4, after running a period of time in the manner described above, water quality sensor 13 detects Reactor indices it is stable, sludge quantity has risen, and pollutant removal is constant in stable region, then after 2 days according to 0.5kg CODm-3d-1Speed reduce water inlet OLR, afterwards according to above-mentioned pattern by reactor OLR by 5kg CODm3d-1Gradually It is reduced to 3.5kg CODm3d-1, gradually operation is stable to aerobic particle mud indices in reactor.For the follow-up side of narration Just, the technique is designated as R2.
Synchronous to set contrast test R1 and R3 in order to contrast the effect of the present invention, wherein R1 and R2 difference are into water OLR maintains 3.5kg CODm all the time3d-1, R3 and R2 difference is that the initial OLR of reactor is 1.5kg COD.Reactor After indices are stable, then according to 0.5kg CODm after 2 days-3d-1Speed rise water inlet OLR, afterwards according to above-mentioned pattern will Reactor OLR is by 1.5kg CODm3d-1It is gradually decrease to 3.5kg CODm3d-1。
As shown in Figure 4,5, gradient reduces OLR process sludges granulating significant effect, and 200 μm of particles of particle diameter account for more than 30% Granulate significant effect, the good NH of effluent quality4 +- N, COD and TN clearances are respectively maintained at 90%, 95%, more than 80%, dirt It is stable to contaminate thing removal efficiency height, long-term operation performance.
OLR training method (as shown in Figure 3) is reduced as a result of gradient, solves sludge under the conditions of Low loading start up Time length is granulated, high load capacity startup sludge easily occurs stickiness expansion and ultimately results in reactor unstability, overcomes traditional startup side The problem of formula granulating time is long, reactor easily collapses, on the premise of pollutant removal is ensured the granulating time shorten 15- 20 days, there is very important realistic meaning in actual sewage processing.
And as shown in fig. 6, the aerobic particle mud cultivated in the present embodiment is that larger (average grain diameter is average grain diameter 0.2mm), the faint yellow spheric granules of particle diameter distribution normal state, grain structure consolidation, surface have ensures dissolved oxygen (DO) compared with rill gully And nutriment mass transfer；Compared to ordinary activated sludge, the microorganism in granule sludge is reunited closely, the bacterium containing higher proportion Micelle, and it is enriched with the functional floras such as solar month of 30 days Pseudomonas, pottery Salmonella in distress and Nitraspira.
The achievable Automated condtrol reactor organic loading of the present invention, ensures that reactor organic loading gradient is successively decreased, is formed The aerobic particle mud that particle diameter is larger, settling velocity is very fast, Stability Analysis of Structures, flora are abundant, solve of prior art generally existing It is granulated cycle length, the easy sludge bulking of running, the problems such as system longtime running is unstable.

Claims (9)

  1. A kind of 1. device of aerobic sludge quick particle, it is characterised in that：It is single including inlet unit, reactor body, aeration Member, water unit；Described inlet unit, including matrix enter bucket (5) and the first immersible pump (4) for extracting matrix, dive Water pump (4) connects matrix regulating reservoir (6) water inlet by pipeline, and the delivery port of matrix regulating reservoir (6) passes through provided with electromagnetic valve (8) Pipeline is connected to the water inlet (9) above reactor body；Level sensor (7) is provided with matrix regulating reservoir (6)；Reactor master The second immersible pump (10) being also placed in above body by pipeline connection in scuttlebutt (11), for the injected clear water into reactor； Described water unit includes second solenoid valve (12) and out of the bucket (14), and reactor body side wall is provided with delivery port, delivery port It is connected to by the pipeline with second solenoid valve (12) in out of the bucket (14), out of the bucket is additionally provided with water quality sensor in (14) (13)；Described aeration unit includes air pump (1), spinner flowmeter (2.1) and the porous aeration head (2.2) being sequentially connected, Porous aeration head (2.2) is arranged at reactor body inner bottom part.
  2. 2. the device of aerobic sludge quick particle as claimed in claim 1, it is characterised in that described water quality sensor (13) COD, NH are included in4 +- N and turbidimetry module.
  3. 3. the device of aerobic sludge quick particle as claimed in claim 1, it is characterised in that control unit (3) is additionally provided with, For carrying out central control.
  4. 4. the device of aerobic sludge quick particle as claimed in claim 3, it is characterised in that described control unit (3) For PLC.
  5. 5. the device of aerobic sludge quick particle as claimed in claim 1, it is characterised in that the delivery port front end of reactor Provided with microwell plate (15), in reactor water outlet out of the bucket (14) is entered by microwell plate (15) afterwards.
  6. 6. the device of aerobic sludge quick particle as claimed in claim 1, it is characterised in that be additionally provided with and be used in reactor The liquid level meter probes of induction level height.
  7. 7. the device of aerobic sludge quick particle as claimed in claim 1, it is characterised in that described delivery port has more It is individual, it is arranged at intervals at from top to bottom in reactor body side wall.
  8. 8. a kind of method of aerobic sludge quick particle using any one of claim 1-7 described device, it is characterised in that Reactor uses SBR process operations, advance seed sludge before operation, and inoculation MLSS is 4-6g/L；It is town sewage to enter water-based, Inlet COD concentration is 300-800mg/L, and reactor is using 4-8 ratio of height to diameter and 30%-70% draining ratio；The cycle of operation is 4-6 hours, it is divided into water, standing, aeration, precipitation, five stages of water outlet, the wherein sedimentation time is 5-15 minutes, aeration time For 3-5 hours；The water inlet OLR at reactor start-up initial stage is controlled in 4-6kg CODm3d-1, every 1-2 days after plant running is stable With 0.05-0.2kg CODm3d-1Amplitude gradients gradually reduce into water OLR, final system OLR and be down to 2.5-3.5kg CODm3d-1。
  9. 9. the method for aerobic sludge quick particle according to claim 8, it is characterised in that：Described seed sludge takes From municipal sewage plant aeration tank.
CN201710571068.9A 2017-07-13 2017-07-13 The devices and methods therefor of aerobic sludge quick particle Pending CN107381791A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109019847A (en) * 2018-08-24 2018-12-18 东北大学 A kind of low-voltage electrocoagulation promotes the device and method of aerobic particle mud culture
ES2954790A1 (en) * 2023-10-25 2023-11-24 Gs Inima Env S A U PROCESS FOR WASTEWATER TREATMENT IN URBAN WASTEWATER TREATMENT STATIONS (Machine-translation by Google Translate, not legally binding)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100392201B1 (en) * 2001-05-18 2003-07-22 큐바이오텍 (주) Method and apparatus for pretreating high concentration organic waste water
CN105776524A (en) * 2016-05-24 2016-07-20 杭州普而环境科技有限公司 Intensified starting and stable operation method for aerobic granular sludge
CN207330500U (en) * 2017-07-13 2018-05-08 浙江大学 A kind of device of aerobic sludge quick particle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100392201B1 (en) * 2001-05-18 2003-07-22 큐바이오텍 (주) Method and apparatus for pretreating high concentration organic waste water
CN105776524A (en) * 2016-05-24 2016-07-20 杭州普而环境科技有限公司 Intensified starting and stable operation method for aerobic granular sludge
CN207330500U (en) * 2017-07-13 2018-05-08 浙江大学 A kind of device of aerobic sludge quick particle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109019847A (en) * 2018-08-24 2018-12-18 东北大学 A kind of low-voltage electrocoagulation promotes the device and method of aerobic particle mud culture
ES2954790A1 (en) * 2023-10-25 2023-11-24 Gs Inima Env S A U PROCESS FOR WASTEWATER TREATMENT IN URBAN WASTEWATER TREATMENT STATIONS (Machine-translation by Google Translate, not legally binding)

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