CN1746117A - Sewage treatment system - Google Patents
Sewage treatment system Download PDFInfo
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- CN1746117A CN1746117A CNA2005101027407A CN200510102740A CN1746117A CN 1746117 A CN1746117 A CN 1746117A CN A2005101027407 A CNA2005101027407 A CN A2005101027407A CN 200510102740 A CN200510102740 A CN 200510102740A CN 1746117 A CN1746117 A CN 1746117A
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- water quality
- mud
- oxygen supply
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- 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
Abstract
The invention obtains a sewage treatment system which can be automatically operated while properly setting the operation condition of reducing surplus sludge according to the condition change of water quality, water quantity, water temperature, and the like with improving water quality of treated water or without deteriorating the water quality, and optimizing the driving operation amount of an oxygen supply blower. The sewage treatment system comprises a water quality simulator 8 that calculates water quality by using an activated sludge model representing microorganism reactions in a biological reaction tank 2, a control device 9, and a data storage device 10. Easily biodegradable organic matter data of a sludge improvement device 7 are fetched into the water quality simulator 8, and the driving operation amount of the sludge improvement device 7 and the driving operation amount of the oxygen supply blower 3 for the biological reaction tank 2 are controlled from the results of water quality calculation by the water quality simulator 8.
Description
Technical field
The present invention relates to a kind of Sewage treatment systems, in the public sewage disposal of water and industry draining etc. down, it can improve treating water water quality, perhaps do not reduce under the situation for the treatment of water water quality and reduce surplus sludge volume, utilization that simultaneously can the optimization system, reduce the processing funds, also can help to reduce CO2 emissions.
Background technology
Wastewater Treated by Activated Sludge Process performance height in the facture of sewage is so be widely used in every field such as following water treatments.Its cleaning principle has utilized microorganism to decompose as food with the organism in the sewage and has eliminated organic effect, so microbial growth, the result of Chu Liing has produced excess sludge like this.The final processing capacity of this mud is big for the ratio of full industrial waste final processing capacity, and in Japan, the residual capacity of final sometimes processing field is few, thereby becomes very big cost burden.According to this situation, hope can reduce excess sludge as far as possible, therefore for introducing the method that reduces sludge quantity is in various manners studied always.
About reducing the method for sludge quantity in the sludge treating system in the past, improve Biodegradable by adopting the mud modifying apparatus that mud is carried out upgrading, come the organism in the mud is carried out bio-oxidation by making mud return biological reactor once more then, reduce surplus sludge volume, in the described mud modifying apparatus, utilize sending a part of returning mud to carry out (for example with reference to patent documentations 1) such as ozonize.
Fig. 3 is the explanatory view that Sewage treatment systems in the past is described.
Among Fig. 3, the 1st, sewage, the 2nd, biological reactor, the 3rd, oxygen supply gas blower, the 4th, final tank, the 5th, treating water, the 6th, mud, the 7th, mud modifying apparatus, the 8th, simulation of water quality device, the 9th, control device, the 10th, data accumulation device.S1 is the transmitter of the various water quality of detection of biological retort 2.
From 3 oxygen supplys of oxygen supply gas blower, contain organic sewage 1 after biological reactor 2 is by microbiological treatment, by solid-liquid separation, obtain treating water 5 at final tank 4.Settled mud 6 is drawn out of and is sent back to biological reactor 2 once more, and the operation that carry out this moment is as follows: will send a part of returning mud after the mud modifying apparatus 7 that utilizes ozone is handled, and send and return biological reactor 2.At this moment, the MLSS composition major part in the active sludge is the organism from biology, so constitute cell walls and the strong ozone layer destroying of the oxidized ability of cytolemma of organism, emits organic acid and sugar etc. from cell.By such effect, the mud easy biological decomposition that becomes if turn back to biological reactor 2, no longer includes mud thereby then be broken down into inorganics.
The ozone generation amount of this moment or handle in the mud modifying apparatus such as sludge quantity the running operation amount only rule of thumb data set.
As mentioned above, the method that reduces sludge quantity in the Sewage treatment systems in the past is to utilize the mud modifying apparatus of ozone to send a part of upgrading that returns mud to become easy Biodegradable by introducing, thereby reduces surplus sludge volume.
In addition,, obtain stable treated water, also designed and used the simulation of water quality device effectively as system in order to the instrument of the design load of setting best jar or the operating condition of setting the oxygen supply gas blower in order to improve the processing efficiency in the biological reactor.(for example referring to patent documentation 2).
No. the 2973761st, patent documentation 1 Japanese patent of invention
Patent documentation 2 spies open 2002-336889 number
Summary of the invention
But according to the change of the oxyty of water quality or the water yield, water temperature, biological reactor, perhaps according to the running operation amount of mud modifying apparatus etc., the behavior of microorganism changes in the biological reactor.
For the Sewage treatment systems that does not reduce sludge quantity, excessive owing to generally the oxygen amount of being supplied with by the oxygen supply gas blower in the biological reactor being set at, thus stablized water quality treatment preferably, but the often waste of generate energy consumption.
On the other hand, introduce the mud modifying apparatus, set when significantly reducing the operational condition of surplus sludge volume, because the increase of necessary zmount of oxygen consumption, have the rising of the COD of oxygen quantity not sufficient, treating water and phosphorus concentration sometimes or in nitration reaction, produce the situation that hinders and cause water quality treatment to descend.In this case, must carry out following operation,
Control the running operational ton of suitable mud modifying apparatus
Control suitable oxygen supplying operation operational ton
Improve the performance of oxygen supply gas blower etc.
Corresponding to such changed condition, be necessary suitably to control the running operation amount of mud modifying apparatus, the running operation amount of oxygen supply gas blower, but Sewage treatment systems is not in the past grasped variation or the running operation amount of corresponding mud modifying apparatus and the living behavior of running operation volume production of oxygen supply gas blower of the corresponding time of microorganism in the biological reactor.Therefore, when only controlling as main body, there is the problem of the above, has the manipulation that significantly reduces surplus sludge volume to cause deteriorating water quality, or cause the problem of the volume of traffic surplus of oxygen supply gas blower on the contrary with the running operation amount of one of them.
The present invention proposes in view of this problem, the invention provides a kind of Sewage treatment systems, improving treating water water quality, perhaps do not reduce under the situation for the treatment of water water quality, it can suitably set the operating condition that reduces surplus sludge volume according to the variation of situations such as water quality or the water yield, water temperature, the running operation amount of oxygen supply gas blower at this moment can also be set at the best and it is turned round automatically simultaneously.
Description of drawings
Fig. 1 is the explanatory view of explanation Sewage treatment systems of the present invention.
Fig. 2 is the explanatory view of details of the mud modifying apparatus of explanatory view 1.
Fig. 3 is the explanatory view that Sewage treatment systems in the past is described.
Nomenclature
1 sewage
2 biological reactors
3 oxygen supply gas blowers
4 final tanks
5 treating water
6 mud
7 mud modifying apparatus
71 mud upgrading jars
72 ozone generation unit
73 ultrasonic wave generator unit
8 simulation of water quality devices
9 control device
10 data accumulation devices
The various water quality sensors of S1
The easy biological decomposition organic matter of S2 detecting sensor
Embodiment
In order to address the above problem of the present invention being constructed as follows.
Scheme 1 described invention is following Sewage treatment systems, and it comprises primary treatment operation, secondary treatment operation, oxygen supply gas blower, mud modifying apparatus, control device, simulation of water quality device, data accumulation device; Described primary treatment operation is made of the initial settling tank that separates solid substance with the operation of simple physics such as sedimentation; Described secondary treatment operation is by by microorganism deliquescent dirty material being carried out the final tank of the biological reactor of fractionation by adsorption, settlement separate active sludge, the part of the mud after settlement separate is sent the mud that returns the secondary biological reactor to send to return line constitutes; Described oxygen supply gas blower is used for to described biological reactor oxygen supply; Described mud modifying apparatus will send the part mud that returns upgrading by physical-chemical method; Described control device is controlled the volume of traffic of described oxygen supply gas blower and the volume of traffic of described mud modifying apparatus; Described simulation of water quality device uses the activated sludge model that embodies the microbial reaction in the described biological reactor to calculate water quality; Described data accumulation device is at least from the necessary water quality data of controlled variable of sampling of described primary treatment operation and described secondary treatment operation and accumulation sewage disposal; In this Sewage treatment systems, the easy biological decomposition organic matter data of described mud modifying apparatus are imported described simulation of water quality device, control the running operation amount of described mud modifying apparatus based on the water quality calculation result of described simulation of water quality device.
In addition, scheme 2 described inventions are following Sewage treatment systemss, and it comprises primary treatment operation, secondary treatment operation, oxygen supply gas blower, mud modifying apparatus, control device, simulation of water quality device, data accumulation device; Described primary treatment operation is made of the initial settling tank that separates solid substance with the operation of simple physics such as sedimentation; Described secondary treatment operation is by by microorganism deliquescent dirty material being carried out the final tank of the biological reactor of fractionation by adsorption, settlement separate active sludge, the part of the mud after settlement separate is sent the mud that returns the secondary biological reactor to send to return line constitutes; Described oxygen supply gas blower is used for to described biological reactor oxygen supply; Described mud modifying apparatus will send the part mud that returns upgrading by physical-chemical method; Described control device is controlled the volume of traffic of described oxygen supply gas blower and the volume of traffic of described mud modifying apparatus; Described simulation of water quality device uses the activated sludge model that embodies the microbial reaction in the described biological reactor to calculate water quality; Described data accumulation device is at least from the necessary water quality data of controlled variable of sampling of described primary treatment operation and described secondary treatment operation and accumulation sewage disposal; In this Sewage treatment systems, the easy biological decomposition organic matter data of described mud modifying apparatus are imported described simulation of water quality device, water quality calculation result based on described simulation of water quality device, mutual running electric power or mud output according to described oxygen supply gas blower in keeping the good scope of water quality treatment and described mud modifying apparatus are calculated minimum cost of sewage disposal, based on the running operation amount of calculation result control oxygen supply gas blower and the running operation amount of mud modifying apparatus.
In addition, in the scheme 3 described inventions, described mud modifying apparatus is made of at least a unitary structure of having used ozone generating unit or ultrasonic wave generating unit.
According to scheme 1 and 2 described inventions, the simulation of water quality device is that calculate on the basis with the data that obtain of data accumulation device, thereby can grasp or predict the movement that microorganism in the biological reactor causes according to the change of the oxyty of the time dependent inflow water quality of sewage and the water yield, water temperature, biological reactor, the running operation amount of mud modifying apparatus etc.The behavior of microorganism is reflected in the operational ton of mud modifying apparatus or oxygen supply gas blower in the biological reactor by making, and improving treating water water quality, does not perhaps reduce under the situation for the treatment of water water quality, can realize the optimum operation for the minimizing of surplus sludge volume.And then can also derive and control the running operation condition of minimum operating cost.
In addition, according to scheme 3 described inventions, by from chemistry, physics or physicochemical method, select or combination to the method for mud upgrading full blast, can further use no water treatment system effectively.
Below, with reference to the accompanying drawings embodiments of the present invention are described.
Fig. 1 illustrates the explanatory view of Sewage treatment systems of the present invention.S2 is easy biological decomposition organic matter detecting sensor.Because identical in other symbol and the conventional art, so omitted explanation.Fig. 2 is the explanatory view that describes the mud modifying apparatus 7 of Fig. 1 in detail.Among Fig. 2, the 71st, mud upgrading jar, the 72nd, ozone generation unit, the 73rd, ultrasonic wave generator unit.
The present invention and patent documentation 1 distinct portions are, among the present invention, based on the water quality calculation result of data that obtained by the data accumulation device and simulation of water quality device 8, by the volume of traffic of control device 9 control mud modifying apparatus 7 and the volume of traffic of oxygen supply gas blower 3.
Simulation of water quality device 8 is to utilize activated sludge model to calculate the software of water quality, and activated sludge model is to use the model of the microbial reaction in the model performance biological reactor 2.Simulation of water quality device 8 in the present embodiment adopts the activated sludge model No.2d of international hydrotechnics meeting (IWA) prompting.This activated sludge model not only can show the behavior of the bioprocesses of qualitative sense quantitatively, even and multiple phenomenon when carrying out simultaneously, also can prediction based on whole behaviors of the bioprocesses of the principle of this phenomenon.
Its formula that is used for prediction calculating is by tens, if give one example, for example the calculating formula for nitric nitrogen concentration is as follows:
Formula 1
Wherein,
NO
3(i): the nitric nitrogen concentration (gN/m of the target jar during i
3)
NO
3(i)
R: the nitric nitrogen concentration (gN/m of the target jar when having considered the i of the variable quantity that chemical reaction causes
3)
NO
3(i)
In: the nitric nitrogen concentration (gN/m that flows into the target jar during i
3)
NO
3(i)
Out: during i from the effusive nitric nitrogen concentration of target jar (gN/m
3)
V: the volume (m of target jar
3)
Q
In: to the amount (m of target jar inflow
3/ h)
Q
Out: from the effusive amount (m of target jar
3/ h)
T: from target jar inflow-effusive pitch time (h)
I: dummy spacers time (h)
Wherein each variable is following calculates.This speed of response formula comprises following variable.
Formula 2
NO
3(i)
R＝NO
3(i-1)+ΔNO
3
Formula 3
NO
3(i)
out＝NO
3(i-1)
Formula 4
ΔNO
3＝(-0.21×S
DF-0.21×S
DA+4.17×Growth)·T
Formula 5
Formula 6
Formula 7
Wherein,
Δ NO
3(i): the nitric nitrogen (gN/m of increase-minimizing in the target jar during i
3)
S
DF: the denitride amount (gCOD/ (m that utilizes easy decomposed organic
3D))
S
DA: the denitride amount (gCOD/ (m that utilizes tunning
3D))
Growth: the proliferative amount (gCOD/m of nitrifier
3D)
S
F: easy decomposed organic concentration (gCOD/m
3)
S
A: tunning concentration (gCOD/m
3)
X
AUT: nitrifier concentration (gCOD/m
3)
μ
H: the maximum rate of propagation (l/d) of matrix
η NO
3: based on the minimizing coefficient (-) of the nitrate ammonia concentration of the hydrolysis under the no oxygen state
μ
AUT: the maximum rate of propagation (l/d) of nitrifier
KA: tunning concentration saturation factor (gO
2/ m
3)
K
O2: oxygen saturation coefficient (gO
2/ m
3)
K
F: easily decomposability matrix is bred saturation factor (gCOD/m
3)
K
NO3: nitrate ammonia saturation factor (gN/m
3) annotate) and in this simulator with nitrite nitrogen and nitrate ammonia as same mass treatment.
K
NH4: ammonia saturation factor (gN/m
3)
Kp: phosphoric acid phosphoric acid saturation factor (gP/m
3)
K
ALK: basicity saturation factor (Mole HCO
3/ m
3)
X
H: the heterotrophic microorganism (gCOD/m that removes with phosphorated method not
3)
Analytical data by the input of data accumulation device
S
O2: oxyty (gO
2/ m
3)
S
NH4: deliquescent ammonia concentration (gN/m
3)
S
NO3: deliquescent nitrate ammonia concentration (gN/m
3)
S
PO4: inorganic dissolved phosphorus acid phosphorus concentration (gP/m
3)
S
ALK: basicity (mole HCO
3/ m
3)
In addition, with the organism that enters biological reactor 2 be distinguished into by with the water-quality constituents of the complexity classification of the reaction of microorganism, this differentiation is called grouping, this speed of response formula is by 6 organic constituentses definition shown in the following table.
Table 1
| Mark | |
| S F | Fermentable easy Biodegradable organic substrate |
| S A | Tunning |
| S I | The inert dissolved organic matter |
| X I | Inert insoluble organism |
| X S | Difficult matrix of decomposing |
| X H | Heterotrophic organism |
In addition, this simulation of water quality device 8 has the function of the model parameter of the described speed of response formula of energy automatic setting, has COD
Mn, BOD, TOC observed value be converted into and the high CODcr of described organic constituents dependency, and carry out the function of simulation of water quality.
Use this simulation of water quality device 8, based on returning the COD that the data accumulation device 10 of line obtains by being arranged on sending of biological reactor 2 or mud
MnOr DO (oxyty) value etc. calculates, thus the elimination factor of prediction nitrogen and phosphorus composition etc. accurately.In addition, because can obtain necessary oxygen amount from the oxygen revenue and expenditure of biological reactor 2, so can obtain the optimum operation operational ton of mud modifying apparatus 7 and the optimum operation operational ton of oxygen supply gas blower 3 according to these calculated values, thereby can carry out feedback control by control device 9.
Below operation process is described.
To extract and send the part importing mud modifying apparatus 7 of the mud that returns biological reactor 2 from final tank out, make the easy Biodegradableization of mud by chemical process, physical method or physico-chemical process.The chemical process of this moment has the method for utilizing ozone, alkali, oxygenant etc.; Physical method has the method for utilizing thermophilic bacterium, ultrasonic wave, high speed rotating disk, galling broken, high pressure homogenisers etc.; Biological method has the method for utilizing enzyme etc.; Physico-chemical process has the method for carrying out overcriticalization etc.In addition, can seek the high efficiency of mud upgrading by the combination the whole bag of tricks.For example, by combination ozone and ultrasonic wave, ozoniferous strong oxidizing power and ultrasonic cavitation reach synergy to the miniaturization of ozone gas bubble to the pulverizing of mud, can make the raising of the reaction efficiency of ozone and mud.The running operation factor of mud modifying apparatus 7 of this moment is based on the output rating, the voltage of supply based on ozone generating capacity or ultrasonic wave work output, electric current, frequency of the pump of the processing sludge quantity that imports mud modifying apparatus 7 etc.Mud with easy Biodegradable returns mud and send again and return biological reactor 2 and undertaken inorganicization by biological decomposition with sending.
In biological reactor 2,, carry out aerobic treatment with this by oxygen supply gas blower 3 oxygen supply in water.The activity that oxygen amount in the water satisfies microorganism is during to the requiring of oxygen, and tending towards stability obtains good treating water water quality, but the volume of traffic of oxygen supply gas blower 3 becomes superfluous, the waste that consumes of generate energy usually.On the other hand, when the running operation amount of mud modifying apparatus 7 was excessive, along with the increase of easy Biodegradable sludge quantity, the oxygen amount in the water descended, and has hindered biological respinse, and treating water water quality aggravates.In addition since in biological reactor 2 variation of various situations produced complicated biological respinse, thereby be difficult to mud modifying apparatus 7 running operation amounts and oxygen supply gas blower 3 running operation amounts are suitably adjusted.
Therefore, from COD, the BOD of biological reactor 2, TOC, DO, MLSS, phosphorus, nitrogen, water temperature, the water yield, corresponding situation obtains necessary water quality data by data accumulation device 10, water quality data is imported simulation of water quality device 8, calculate the optimum operation value that under the situation that water quality does not descend, reduces sludge quantity to greatest extent.Result calculated is by control device 9 the running operation amount of necessity to be instructed to a side or both sides in the electric motor of the mud modifying apparatus 7 running operation factors and oxygen supply gas blower 3, thereby has constructed aforesaid feedback control system.
As mentioned above, utilize simulation of water quality device 8 to obtain data based on data accumulation device 10, calculating is based on the speed of response of microorganism behavior in the biological reactor 2, be reflected in mud modifying apparatus 7 running operation amounts or the oxygen supply gas blower 3 running operation amounts by control device 9 then, improve treating water water quality thus, perhaps do not reducing the utilization of the best that treating water water quality can not realize the minimizing of surplus sludge volume under the situation.Further can derive and control the running operation condition of minimum operating cost.
That is, owing to the energy-conservation CO that reduced
2Quantity discharged, and can help to reduce sludge discharge.
Utilizability on the industry
The present invention's sewage disposal system utilizes microorganism to remove in whole sewage disposals of organic substance in industry drainings such as public lower water, chemical factory, food factory etc., can improving processing water water quality, perhaps not reduce the minimizing that realizes residue mud in the situation of processing water water quality.
That is, undertaken by reduction the processing of aerobic property the oxygen supply air blast the electric power amount or reduce the mud final processing capacity that produces along with microbiological treatment, can be as low environment burden or applicable with the system of minimum cost running management.
Claims (3)
1, Sewage treatment systems, it comprises primary treatment operation, secondary treatment operation, oxygen supply gas blower, mud modifying apparatus, control device, simulation of water quality device, data accumulation device; Described primary treatment operation is made of the initial settling tank that separates solid substance with the operation of simple physics such as sedimentation; Described secondary treatment operation is by by microorganism deliquescent dirty material being carried out the final tank of the biological reactor of fractionation by adsorption, settlement separate active sludge, the part of the mud after settlement separate is sent the mud that returns the secondary biological reactor to send to return line constitutes; Described oxygen supply gas blower is used for to described biological reactor oxygen supply; Described mud modifying apparatus will send the part mud that returns upgrading by physics and/or chemical process; Described control device is controlled the volume of traffic of described oxygen supply gas blower and the volume of traffic of described mud modifying apparatus; Described simulation of water quality device uses the activated sludge model of the microbial reaction in the described biological reactor of performance to calculate water quality; Described data accumulation device is at least from the necessary water quality data of controlled variable of sampling of described primary treatment operation and described secondary treatment operation and accumulation sewage disposal; It is characterized in that, the easy biological decomposition organic matter data of described mud modifying apparatus are imported described simulation of water quality device, control the running operation amount of described mud modifying apparatus based on the water quality calculation result of described simulation of water quality device.
2, Sewage treatment systems, it comprises primary treatment operation, secondary treatment operation, oxygen supply gas blower, mud modifying apparatus, control device, simulation of water quality device, data accumulation device; Described primary treatment operation is made of the initial settling tank with simple physics such as sedimentation operation separate solid; Described secondary treatment operation is by by microorganism deliquescent dirty material being carried out the final tank of the biological reactor of fractionation by adsorption, settlement separate active sludge, the part of the mud after settlement separate is sent the mud that returns the secondary biological reactor to send to return line constitutes; Described oxygen supply gas blower is used for to described biological reactor oxygen supply; Described mud modifying apparatus will send the part mud that returns upgrading by physics and/or chemical process; Described control device is controlled the volume of traffic of described oxygen supply gas blower and described mud modifying apparatus; Described simulation of water quality device uses the activated sludge model of the microbial reaction in the described biological reactor of performance to calculate water quality; Described data accumulation device is at least from the necessary water quality data of controlled variable of sampling of described primary treatment operation and described secondary treatment operation and accumulation sewage disposal; It is characterized in that, the easy biological decomposition organic matter data of described mud modifying apparatus are imported described simulation of water quality device, water quality calculation result based on described simulation of water quality device, mutual running electric power or mud output according to described oxygen supply gas blower in the scope of keeping good water quality treatment and described mud modifying apparatus are calculated minimum cost of sewage disposal, based on the running operation amount of calculation result control oxygen supply gas blower and the running operation amount of mud modifying apparatus.
3, Sewage treatment systems as claimed in claim 1 or 2, wherein, described mud modifying apparatus is made of at least a unitary structure of having used ozone generating unit or ultrasonic wave generating unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004263437 | 2004-09-10 | ||
| JP2004263437A JP4617787B2 (en) | 2004-09-10 | 2004-09-10 | Sewage treatment system |
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| Publication Number | Publication Date |
|---|---|
| CN1746117A true CN1746117A (en) | 2006-03-15 |
| CN100475715C CN100475715C (en) | 2009-04-08 |
Family
ID=36155649
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|---|---|---|---|
| CNB2005101027407A Expired - Fee Related CN100475715C (en) | 2004-09-10 | 2005-09-09 | Sewage treatment system |
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| CN (1) | CN100475715C (en) |
Cited By (5)
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| CN101863560A (en) * | 2010-04-08 | 2010-10-20 | 章子三 | Method for digesting activated sludge of strains storage tank |
| CN102880794A (en) * | 2012-09-17 | 2013-01-16 | 广州中国科学院沈阳自动化研究所分所 | Method for correcting model parameters in sewage disposal process |
| CN104496028A (en) * | 2014-12-26 | 2015-04-08 | 广州市净水有限公司 | Lateral flow type sludge modification process |
| CN105621822A (en) * | 2014-10-27 | 2016-06-01 | 中国石油天然气股份有限公司 | Sludge reduction system and method for A2/O process system |
| CN113979541A (en) * | 2021-11-26 | 2022-01-28 | 昆明理工大学 | A2Intelligent control method for O biological pond process |
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| JP4630244B2 (en) * | 2006-03-31 | 2011-02-09 | 荏原エンジニアリングサービス株式会社 | Method and apparatus for treating organic waste by anaerobic microorganisms |
| US8043094B2 (en) * | 2006-07-10 | 2011-10-25 | Jt & A, Inc. | Model and method for simulating water treatment |
| KR100912032B1 (en) | 2008-05-19 | 2009-08-12 | 효성에바라엔지니어링 주식회사 | Apparatus and method for controlling activated sludge process |
| KR100912021B1 (en) | 2008-05-19 | 2009-08-12 | 효성에바라엔지니어링 주식회사 | Waterwaste treatment system and method thereof |
| JP7241608B2 (en) * | 2019-06-04 | 2023-03-17 | 三菱電機株式会社 | Wastewater treatment system and wastewater treatment method |
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| JP2001047080A (en) * | 1999-08-10 | 2001-02-20 | Yaskawa Electric Corp | Sewage treatment control device |
| JP4559593B2 (en) * | 2000-07-07 | 2010-10-06 | パナソニック環境エンジニアリング株式会社 | Organic wastewater treatment equipment |
| JP2002086183A (en) * | 2000-07-12 | 2002-03-26 | Nippon Sanso Corp | Waste water treating device and method |
-
2004
- 2004-09-10 JP JP2004263437A patent/JP4617787B2/en not_active Expired - Fee Related
-
2005
- 2005-09-09 CN CNB2005101027407A patent/CN100475715C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101863560A (en) * | 2010-04-08 | 2010-10-20 | 章子三 | Method for digesting activated sludge of strains storage tank |
| CN101863560B (en) * | 2010-04-08 | 2013-07-31 | 章子三 | Method for digesting activated sludge of strains storage tank |
| CN102880794A (en) * | 2012-09-17 | 2013-01-16 | 广州中国科学院沈阳自动化研究所分所 | Method for correcting model parameters in sewage disposal process |
| CN102880794B (en) * | 2012-09-17 | 2015-11-11 | 广州中国科学院沈阳自动化研究所分所 | A kind of sewage disposal process corrected model parameter method |
| CN105621822A (en) * | 2014-10-27 | 2016-06-01 | 中国石油天然气股份有限公司 | Sludge reduction system and method for A2/O process system |
| CN105621822B (en) * | 2014-10-27 | 2019-04-12 | 中国石油天然气股份有限公司 | One kind being directed to A2The mud decrement system and method of/O process system |
| CN104496028A (en) * | 2014-12-26 | 2015-04-08 | 广州市净水有限公司 | Lateral flow type sludge modification process |
| CN113979541A (en) * | 2021-11-26 | 2022-01-28 | 昆明理工大学 | A2Intelligent control method for O biological pond process |
| CN113979541B (en) * | 2021-11-26 | 2023-11-03 | 昆明理工大学 | A, A 2 Intelligent control method for O biological pool process |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006075749A (en) | 2006-03-23 |
| JP4617787B2 (en) | 2011-01-26 |
| CN100475715C (en) | 2009-04-08 |
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