CN108928920A - It is a kind of take into account pollution reduction, quenched and denitrification function comprehensive pool of regulating and storing - Google Patents
It is a kind of take into account pollution reduction, quenched and denitrification function comprehensive pool of regulating and storing Download PDFInfo
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- CN108928920A CN108928920A CN201810580492.4A CN201810580492A CN108928920A CN 108928920 A CN108928920 A CN 108928920A CN 201810580492 A CN201810580492 A CN 201810580492A CN 108928920 A CN108928920 A CN 108928920A
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- metaplasia
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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
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
- C02F3/305—Nitrification and denitrification treatment characterised by the denitrification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/02—Shut-off devices
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses it is a kind of take into account pollution reduction, quenched and denitrification function comprehensive pool of regulating and storing, belong to municipal drainage or field of environment engineering technology.The comprehensive pool includes muddy water regulatory region, is connect with the anti-pond output end of integrated metaplasia, the muddy water generated for receiving the anti-pond of integrated metaplasia, and carries out water quality adjustment；Settling zone is connect with muddy water regulatory region, and the muddy water for exporting to muddy water regulatory region carries out precipitation process, and precipitating water outlet imports the water outlet box culvert of integral biological reaction tank；Overflow is regulated and stored area, the overflow sewage beyond sewage plant treatment scale of regulating and storing, or as the Prepositive denitrification pond in the anti-pond of sewage plant one metaplasia, plays denitrification functions.Using comprehensive pool of the invention, the discharge amount of sewage plant pollutant can be substantially reduced, quality of water environment is made to obtain biggish improvement.
Description
Technical field
The invention discloses it is a kind of in sewage treatment plant take into account pollution reduction, quenched and denitrification function synthesis of regulating and storing
Pond and the method for improving water environment, belong to municipal drainage or field of environment engineering technology.The present invention is suitable for status and does not consider
The sewage treatment plant that overflow water is regulated and stored or the sewage treatment plant using integrative activated sludge process.
Background technique
Sewage treatment is the important means of urban water system pollution reduction, urban wastewater treatment firm and mating pipe network system
As the important component of urban environment infrastructure construction, Urban Water Pollution Control and water environment improvement are played very
Crucial effect.
Currently, the drainage pipeline in city the more is built the more more, it is also higher and higher to cut dirty rate, but urban water environmental quality is still
It is not fully up to expectations, main reason is that China pays little attention to the contamination control of overflow sewage.There are many containing in overflow sewage
The nutrients such as pathogen, nitrogen phosphorus and high concentrated, solid particulate pollutant, can pollute receiving water body, be China's surface water pollution
One of principal element.
Currently, different according to the environmental requirement of site condition and receiving water body, the common processing method of overflow sewage has two
Kind：
A. treatment in situ mainly includes grid processing, eddy current type separating treatment, precipitation process, air-flotation process, high-rate fitration method
Processing and primary reinforcement processing etc.；
B. combined sewerage overflow collection is delivered at municipal sewage plant by sewage plant processing by setting intercepting sewer
Reason.
Wherein, treatment in situ needs newly-built treatment facility, increases management and service requirement, while being subject to processing the limitation of degree
It still has a certain impact to receiving water body；Overflow sewage is directly entered sewage plant processing, can cause water and water quality to sewage plant
The impact load of aspect, influences the normal operation of sewage plant, or even causes sewage plant overflow.Some researches show that at town sewage
The flooding problems for managing factory are the one of the major reasons for causing cities and towns Sewage Water Emissions to fail to be controlled at all.
In addition to this, using the water factory of integrative activated sludge process, there are muddy water treatment problems.Integrated activated sludge
Method and SBR principle are close, it be in one reaction pool by the switching of disengaging water spot, stirring, aeration complete anaerobism, anoxic,
Aerobic and precipitation process, in normal course of operation can interval generate muddy water.Since muddy water pollutant concentration is higher, it will usually flow back
To inlet pumping station, whole process processing is re-started.Muddy water recycles between reaction tank and pretreatment facility, also to a certain extent
Reduce the effective rate of utilization of these treatment facilities.
Therefore, it is necessary to sewage plant be arranged it is a kind of take into account pollution reduction, overflow is regulated and stored the comprehensive of quenched and muddy water processing
Pond is closed, the anti-water quality and quantity impact load of sewage plant on the one hand can be improved, guarantee the normal operation of sewage plant, on the other hand,
Existing pretreatment and the subsequent processing facility of sewage plant can be made full use of, handles overflow sewage and muddy water to greatest extent, is reduced
Its pollution to receiving water body improves water environment.
Summary of the invention
It is a kind of in sewage treatment plant disclosed by the invention take into account pollution reduction, quenched and denitrification function synthesis of regulating and storing
Pond can effectively solve sewage plant flooding problems and muddy water treatment problems.
To achieve the goals above, technical scheme is as follows：One kind take into account pollution reduction, regulate and store it is quenched and anti-
The comprehensive pool of nitrification function, sewage plant are equipped with sequentially connected pretreatment unit, measuring instrument and the anti-pond of integrated metaplasia, feature
It is, the comprehensive pool includes
Overflow is regulated and stored area, and the regulate and store first input end in area of the overflow connects the output end of pretreatment unit by the first switching valve
Or the output end of measuring instrument, the overflow regulate and store area output end by the second switching valve connect measuring instrument input terminal or
The input terminal in the integrated anti-pond of metaplasia, regulate and store second input terminal in area of the overflow are integrally connected the anti-pond of metaplasia by third valve
Output end；
Muddy water regulatory region is connect with the anti-pond output end of integrated metaplasia, the muddy water generated for receiving the anti-pond of integrated metaplasia, and is carried out
Water quality adjustment；
Settling zone is connect with muddy water regulatory region, and the muddy water for exporting to muddy water regulatory region carries out precipitation process, and precipitating water outlet converges
Enter the water outlet box culvert of integral biological reaction tank, settling zone sludge is connected to the anti-pond of integrated metaplasia or overflow by the 4th switching valve
Regulate and store area.
According to one embodiment of present invention, the overflow is regulated and stored the first input end in area and the output end of pretreatment unit
Connection, the overflow output end in area of regulating and storing be connected tos with the input terminal of measuring instrument, settling zone sludge and the anti-pond company of integrated metaplasia
Logical, the overflow area that regulates and stores receives the overflow sewage for exceeding sewage plant treatment scale, to sewage carry out it is quenched after send to integration
Subsequent whole process processing is completed in raw anti-pond.
According to another embodiment of the present invention, the overflow regulate and store area first input end and measuring instrument output end connect
Logical, regulate and store second input terminal in area of the overflow is connected to the output end in the anti-pond of one metaplasia, and the overflow is regulated and stored the output in area
End be connected to the input terminal in integrated metaplasia anti-pond, and settling zone sludge and the overflow area that regulates and stores are connected to, and the overflow is regulated and stored area's conduct dirt
The Prepositive denitrification pond in the anti-pond of water factory's one metaplasia plays denitrification functions.
Further, submersible agitator, muddy water regulatory region primary recipient integrated activated sludge work are set in muddy water regulatory region
The untreated complete muddy water of intermittent discharge in the anti-pond operational process of the life of skill.
Further, settling zone uses rectangular sedimentation tank.
Further, settling zone is set there are two water outlet, and one of water outlet is connected to the anti-pond water tank of integrated metaplasia
Contain, another outlet is connected to overflow and regulates and stores area；Two water outlets are controlled by gate, when effluent quality of sedimentation tank is better than setting value
When, settling zone water outlet gravity flow enters the anti-pond water outlet box culvert of integrated metaplasia and is connected；When effluent quality of sedimentation tank is poor, sedimentation basin goes out
Water can be discharged into overflow and regulate and store area.
Further, multiple submersible agitators are arranged in the overflow area that regulates and stores, and the sewage retention period passes through stirring for submersible agitator
It mixes, keeps water body flow, carry out quenched.
It is a kind of in sewage treatment plant disclosed by the invention take into account pollution reduction, quenched and denitrification function synthesis of regulating and storing
Pond can effectively solve sewage plant flooding problems and muddy water treatment problems in the application method of sewage plant.
To achieve the goals above, technical scheme is as follows：One kind take into account pollution reduction, regulate and store it is quenched and anti-
Application method of the comprehensive pool of nitrification function in sewage plant, which is characterized in that the muddy water that integrated activated sludge processing generates is successively
The muddy water regulatory region and settling zone of comprehensive pool are flowed into, the water outlet of settling zone imports the anti-pond water outlet of integrated metaplasia, when settling zone is discharged
When water quality is poor, it may also flow into overflow and regulate and store area, the overflow area that regulates and stores can be used as the storage pond of overflow sewage, also can be used as integration
The Prepositive denitrification pond in raw anti-pond；When sewage plant amount of inlet water exceed Design of Sewage Treatment scale when, regulate and store area for regulate and store by
Pretreated excess load overflow sewage, sewage are regulated and stored area's retention period in overflow, by the stirring of submersible agitator, into sewage into
Row is quenched；When water inlet needs strengthened denitrification effect, the overflow area that regulates and stores also can be used as the Prepositive denitrification pond in raw anti-pond, at this time overflow
Area's reception sewage plant of regulating and storing receives the mixed liquor in the anti-pond of integrated metaplasia and the row of sedimentation basin by pretreated whole sewage
Mud carries out anti-nitration reaction, finally, overflow is regulated and stored, the Chinese effluent in area completes subsequent whole process processing to the anti-pond of integrated metaplasia
Discharge after up to standard.
Comprehensive pool of the invention mainly includes three aspect functions：（1）Tune is provided to the rain dirt overflow of rainy season combined flow system
Store it is quenched, to dry season sewage plant maintenance and accident condition generate overflow offer regulate and store it is quenched, reduce pollution load of overflow object discharge, protect
Hinder sewage plant even running；（2）The case where needing strengthened denitrification effect for sewage plant, comprehensive pool is alternatively arranged as Prepositive denitrification
Pond plays denitrification；（3）It is regulated and stored to the muddy water that integral biological reaction tank generates and precipitation process, avoidable status is muddy
The negative effect that water reflux generates sewage treatment.Using comprehensive pool of the invention, the row of sewage plant pollutant can be substantially reduced
High-volume, quality of water environment is made to obtain biggish improvement.
Detailed description of the invention
Fig. 1 be regulate and store for overflow and muddy water processing comprehensive pool operation schematic diagram；
Fig. 2 is the comprehensive pool operation schematic diagram handled for Prepositive denitrification and muddy water.
Specific embodiment
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
It is a kind of take into account pollution reduction, quenched and denitrification function comprehensive pool of regulating and storing, sewage plant be equipped with it is sequentially connected
Pretreatment unit, measuring instrument and the integrated anti-pond of metaplasia, which is characterized in that the comprehensive pool includes
Overflow is regulated and stored area C, and the regulate and store first input end in area of the overflow connects the output of pretreatment unit by the first switching valve
End or measuring instrument output end, the overflow regulate and store area output end by the second switching valve connect measuring instrument input terminal
Or the input terminal in the integrated anti-pond of metaplasia, regulate and store second input terminal in area of the overflow are integrally connected the anti-pond of metaplasia by third valve
Output end；
Muddy water regulatory region A is connect with the anti-pond output end of integrated metaplasia, and the muddy water generated for receiving the anti-pond of integrated metaplasia is gone forward side by side
Row water quality adjustment；
Settling zone B is connect with muddy water regulatory region, and the muddy water for exporting to muddy water regulatory region carries out precipitation process, precipitating water outlet
The water outlet box culvert of integral biological reaction tank is imported, settling zone sludge is connected to the anti-pond of integrated metaplasia by the 4th switching valve or overflows
Stream is regulated and stored area.
By the switching of valve, comprehensive pool of the invention can realize the operating condition of two ways.
As shown in Figure 1, whole sewage are located in advance first when sewage plant inflow exceeds the treatment scale of sewage plant
Reason, pretreatment include coarse rack, fine fack and setting pot；After pretreatment, the sewage within sewage plant treatment scale continues
Whole process processing is carried out into the anti-pond of integrated metaplasia, the part of contaminated water beyond sewage plant treatment scale enters the overflow tune of comprehensive pool
Area C is stored to regulate and store；It regulates and stores and sets multiple submersible agitators in area, the sewage retention period is stirred, and keeps water body flow, rises
Regulating water quality effect；Then, regulate and store area C sewage again orderly pumped to the anti-pond of integrated metaplasia, complete subsequent whole process processing.
The muddy water generated in the integrated anti-pond normal course of operation of metaplasia is discharged into muddy water and regulates and stores area A, and the muddy water area that regulates and stores sets multiple submersible agitatings
Device plays regulating water quality；Muddy water sewage of regulating and storing in area A through pump is promoted to settling zone B, and after precipitating, water outlet is from flowing into one
The outlet pipe in the anti-pond of body metaplasia carries out follow-up process processing, the sludge reflux of settling zone B to the anti-pond of one metaplasia.
As shown in Fig. 2, when sewage plant inflow is without departing from treatment scale, but when needing strengthened denitrification effect, whole sewage
It is pre-processed first, pretreatment includes coarse rack, fine fack and setting pot；After pretreatment, whole sewage enter comprehensive pool
Overflow regulate and store area C；The muddy water in the integrated anti-pond of metaplasia sequentially enters muddy water and regulates and stores area A and settling zone B, the water outlet of settling zone B from
The outlet pipe for flowing into the integrated anti-pond of metaplasia continues follow-up process processing, and the sludge of settling zone B is discharged into overflow and regulates and stores area C；Overflow tune
Store the mixed liquor in the also anti-pond of acceptable integrated metaplasia area C.Sewage is regulated and stored the area C retention period in overflow, is carried out by submersible agitator
Stirring, sewage carry out denitrification denitrogenation under the action of activated sludge.Overflow regulate and store area C water outlet through pump be lifted into integration
The water inlet pipe in raw anti-pond continues follow-up process processing.
Claims (9)
1. it is a kind of take into account pollution reduction, quenched and denitrification function comprehensive pool of regulating and storing, sewage plant be equipped with it is sequentially connected pre-
Processing unit, measuring instrument and the integrated anti-pond of metaplasia, which is characterized in that the comprehensive pool includes
Overflow is regulated and stored area, and the regulate and store first input end in area of the overflow connects the output end of pretreatment unit by the first switching valve
Or the output end of measuring instrument, the overflow regulate and store area output end by the second switching valve connect measuring instrument input terminal or
The input terminal in the integrated anti-pond of metaplasia, regulate and store second input terminal in area of the overflow are integrally connected the anti-pond of metaplasia by third valve
Output end；
Muddy water regulatory region is connect with the anti-pond output end of integrated metaplasia, the muddy water generated for receiving the anti-pond of integrated metaplasia, and is carried out
Water quality adjustment；
Settling zone is connect with muddy water regulatory region, and the muddy water for exporting to muddy water regulatory region carries out precipitation process, and precipitating water outlet converges
Enter the water outlet box culvert of integral biological reaction tank, settling zone sludge is connected to the anti-pond of integrated metaplasia or overflow by the 4th switching valve
Regulate and store area.
2. in sewage treatment plant according to claim 1 one kind take into account pollution reduction, quenched and denitrification function of regulating and storing
Comprehensive pool, which is characterized in that the overflow first input end in area of regulating and storing is connected to the output end of pretreatment unit, described to overflow
The stream output end in area of regulating and storing is connected to the input terminal of measuring instrument, and settling zone sludge is connected to the anti-pond of integrated metaplasia, the overflow
Area's reception of regulating and storing exceeds the overflow sewage of sewage plant treatment scale, send after quenched to sewage progress to the anti-pond of integrated metaplasia, completes
Subsequent whole process processing.
3. in sewage treatment plant according to claim 1 one kind take into account pollution reduction, quenched and denitrification function of regulating and storing
Comprehensive pool, which is characterized in that the overflow first input end in area of regulating and storing is connected to the output end of measuring instrument, the overflow
Second input terminal in area of regulating and storing be connected to the output end in integrated metaplasia anti-pond, and the overflow is regulated and stored the output end and one metaplasia in area
The input terminal in anti-pond is connected to, and settling zone sludge and the overflow area that regulates and stores are connected to, and the overflow regulates and stores area as sewage plant one metaplasia
The Prepositive denitrification pond in anti-pond plays denitrification functions.
4. in sewage treatment plant according to claim 1 one kind take into account pollution reduction, quenched and denitrification function of regulating and storing
Comprehensive pool, which is characterized in that among the anti-pond operational process of life of muddy water regulatory region primary recipient integrative activated sludge process
It has a rest the untreated complete muddy water of discharge, sets submersible agitator in muddy water regulatory region.
5. in sewage treatment plant according to claim 1 one kind take into account pollution reduction, quenched and denitrification function of regulating and storing
Comprehensive pool, which is characterized in that settling zone carries out precipitation process to the muddy water in the area that regulates and stores, and settling zone uses rectangular sedimentation tank.
6. in sewage treatment plant according to claim 1 one kind take into account pollution reduction, quenched and denitrification function of regulating and storing
Comprehensive pool, which is characterized in that settling zone is set there are two water outlet, and one of water outlet is connected to the anti-pond water outlet of integrated metaplasia
Box culvert, another outlet are connected to overflow and regulate and store area；Two water outlets are controlled by gate, when effluent quality of sedimentation tank is better than setting
When value, settling zone water outlet gravity flow enters the anti-pond water outlet box culvert of integrated metaplasia and is connected；When effluent quality of sedimentation tank is poor, sedimentation basin
Water outlet can be discharged into overflow and regulate and store area.
7. in sewage treatment plant according to claim 1 one kind take into account pollution reduction, quenched and denitrification function of regulating and storing
Comprehensive pool, which is characterized in that pretreatment unit includes coarse rack, fine fack and setting pot.
8. in sewage treatment plant according to claim 1 one kind take into account pollution reduction, quenched and denitrification function of regulating and storing
Comprehensive pool, which is characterized in that multiple submersible agitators are arranged in the overflow area that regulates and stores, and the sewage retention period, pass through submersible agitator
Stirring, keep water body flow, carry out it is quenched.
9. it is a kind of take into account pollution reduction, regulate and store quenched and denitrification function comprehensive pool sewage plant application method, it is special
Sign is that the muddy water that integrated activated sludge processing generates successively flows into the muddy water regulatory region and settling zone of comprehensive pool, settling zone
Water outlet imports the anti-pond water outlet of integrated metaplasia, when settling zone effluent quality is poor, may also flow into overflow and regulates and stores area, and overflow is regulated and stored area
It can be used as the storage pond of overflow sewage, also can be used as the Prepositive denitrification pond in the anti-pond of integrated metaplasia；When sewage plant amount of inlet water is super
Out when Design of Sewage Treatment scale, for regulating and storing by pretreated excess load overflow sewage, sewage is regulated and stored area in overflow in the area that regulates and stores
Retention period is carried out quenched by the stirring of submersible agitator into sewage；When water inlet needs strengthened denitrification effect, overflow is regulated and stored
Area also can be used as the Prepositive denitrification pond in raw anti-pond, and the area that regulates and stores of overflow at this time receives sewage plant by pretreated whole sewage,
The mixed liquor in the anti-pond of integrated metaplasia and the spoil disposal of sedimentation basin are received simultaneously, carries out anti-nitration reaction, finally, overflow is regulated and stored, area goes out
Water is emitted into the anti-pond of integrated metaplasia, completes to discharge after subsequent whole process processing is up to standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580492.4A CN108928920B (en) | 2018-06-07 | 2018-06-07 | Comprehensive pool with pollutant emission reduction, regulation and tempering and denitrification functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580492.4A CN108928920B (en) | 2018-06-07 | 2018-06-07 | Comprehensive pool with pollutant emission reduction, regulation and tempering and denitrification functions |
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| CN108928920A true CN108928920A (en) | 2018-12-04 |
| CN108928920B CN108928920B (en) | 2021-10-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112062386A (en) * | 2020-07-15 | 2020-12-11 | 中国电建集团中南勘测设计研究院有限公司 | Sewage treatment system and sewage treatment method |
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| CN112062386A (en) * | 2020-07-15 | 2020-12-11 | 中国电建集团中南勘测设计研究院有限公司 | Sewage treatment system and sewage treatment method |
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| Publication number | Publication date |
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| CN108928920B (en) | 2021-10-01 |
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