CN107200401A - The aerobic membrane module processing method of anaerobic/anoxic - Google Patents
The aerobic membrane module processing method of anaerobic/anoxic Download PDFInfo
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- CN107200401A CN107200401A CN201710489950.9A CN201710489950A CN107200401A CN 107200401 A CN107200401 A CN 107200401A CN 201710489950 A CN201710489950 A CN 201710489950A CN 107200401 A CN107200401 A CN 107200401A
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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
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Abstract
A20+MBR processing methods, belong to field of Environment Protection, more particularly to sewage water filtration biological treatment recycles field；A20+MBR handles sewage and enters anaerobic pond, the biology fluidised form bed filtering that sewage passes through in anaerobic pond 2 by water inlet；The sewage of prefiltration enters anoxic pond 3, the biology fluidised form bed filtering that sewage passes through in anoxic pond 3 in anaerobic pond 2；The sewage filtered in anoxic pond 3 enters Aerobic Pond 4, the biology fluidised form bed filtering that sewage passes through in Aerobic Pond 4；The sewage that Aerobic Pond 4 is filtered enters membrane cisterna 5, and the MBR membrane modules 6 that sewage passes through in membrane cisterna 5 are filtered；The sewage filtered by the MBR membrane modules 6 in membrane cisterna 5 is excluded in the presence of negative pressure by delivery port 9.Realize efficient separation of solid and liquid, effluent quality high-quality stable；Surplus sludge volume is few, and floor space is small, and without second pond, process equipment is concentrated；Can be extensively using town and country sewage treatment area.
Description
Technical field
The invention belongs to field of Environment Protection, more particularly to sewage disposal, water resource filtering biological processing recycling field.
Background technology
Field of Environment Protection, especially sewage disposal are the important step of current town and country water supply and sewage work, existing municipal sewage treatment
The renewal upgrading of factory, particularly effluent quality are difficult to up to standard or processing flow and increased severely and water factory that floor space can not expand；Nothing
The cell of sewerage pipeline network, such as residential area, travel resort, scenic spot；There are the area or place of reusing sewage demand, such as
Hotel, car wash trade, passenger plane, Portaloo etc. are required to sewage disposal device.Existing sewage disposal device technique has：A2O（I.e.
Anaerobic- anoxic- oxic activated sludge process）Biological denitrification phosphorous removal technique is conventional activated sludge process, biological nitration and denitrification
The synthesis of technique and Biological Phosphorus Removal Processes.Anaerobic pond, carries out using anaerobic bacteria degraded and the phosphorus of organic matter under anaerobic
Release；Anoxic pond, nitrification liquid is back to anoxic pond, and degradation of organic substances carries out the anti-of nitrate to oxygen bacterium simultaneously under anoxic conditions
Nitrification, so as to remove total nitrogen；Aerobic Pond, aerobic bacteria thorough degradation of organic substances, ammonia nitrogen, absorption phosphorus under aerobic condition；The technique
It is substantially and removes polluter using the effect of microorganism, therefore, second pond is connect after biochemistry, carry out mud-water separation, two
Heavy pond is the effect using gravity, allows microorganism to carry out natural subsidence in second pond；One side second pond is that continuum micromeehanics connect
Continuous water outlet, due to the flowing of water, certain agitation can be brought, the natural subsidence of sludge, and two are so not only influenced whether
Sludge that heavy bottom of pond portion has been settled as the agitation of current and rise, cause aqueous suspension increase；On the other hand, sink
Form sediment in the sludge of second pond bottom, under long-time anoxia condition, sludge can carry out denitrification, and bubble is produced in water,
And drive base sludge to float, so may result in system and go out aqueous suspension increase, water quality is not up to standard.Need invention efficient
Separation of solid and liquid, effluent quality high-quality stable sewage disposal device and process.
The content of the invention
To overcome the deficiencies in the prior art part, a kind of A20+MBR processing methods are invented.
A20+MBR processing methods are included using A20+MBR processing units：Water inlet, anaerobic pond, anoxic pond, Aerobic Pond, film
Pond, MBR membrane modules, Ball-type packing, MBBR fillers, delivery port, aeration head, aeration branch pipe, aeration supervisor, gas control valve, exposure
Gas equipment, mud return line, nitrification liquid return duct, biology fluidised form bed；MBR membrane modules are installed in membrane cisterna；In Aerobic Pond and
Nitrification liquid return duct is installed between anoxic pond top；Mud return line is installed between membrane cisterna and anaerobic pond bottom；Good
The inner bottom part of oxygen pond and membrane cisterna is mounted on aeration head, aeration branch pipe；Exposure is installed at the top of the ectosome of A20+MBR processing units
Gas is responsible for and aerator, and gas regulation is mounted between the centre of aeration branch pipe and aeration branch pipe and aeration supervisor
Valve；The annexation of A20+MBR processing units is：Water inlet is installed in the left upper part of A20+MBR processing units, sewage leads to
Cross water inlet and enter anaerobic pond；Anaerobic pond handles water with being connected at the top of anoxic pond, in anaerobic pond and flows into anoxic pond from top；Lack
Oxygen pond is connected with the bottom of Aerobic Pond, and water is handled in anoxic pond and flows into Aerobic Pond from bottom；Aerobic Pond is good with being connected at the top of membrane cisterna
Water is handled in oxygen pond and flows into membrane cisterna from top；MBR membrane modules are installed in membrane cisterna；A20+MBR process method steps are as follows：
A) sewage enters anaerobic pond, the biology fluidised form bed filtering that sewage passes through in anaerobic pond by water inlet；
B) sewage of prefiltration enters anoxic pond, the biology fluidised form bed filtering that sewage passes through in anoxic pond in anaerobic pond；
C) sewage filtered in anoxic pond enters Aerobic Pond, the biology fluidised form bed filtering that sewage passes through in Aerobic Pond；
D) sewage of Aerobic Pond filtering enters membrane cisterna, the MBR membrane modules filtering that sewage passes through in membrane cisterna；
E) sewage by the MBR membrane modules filtering in membrane cisterna is excluded in the presence of negative pressure by delivery port；
F) sludge in membrane cisterna bottom by mud return line is back to anaerobic pond bottom；
G) nitrification liquid on anoxic pond top is back to Aerobic Pond by return duct.
Described biology fluidised form bed is arranged in anaerobic pond, anoxic pond, and Ball-type packing is placed with biology fluidised form bed.
Described biology fluidised form bed is arranged in Aerobic Pond, and MBBR fillers are placed with biology fluidised form bed.
Biology fluidised form bed is grid casing, and the top of casing is apart from delivery port low side 80-150mm, the bottom distance of casing
Pond inner bottom part 380-450mm.The top of casing is preferably 120mm apart from delivery port low side, and the bottom of casing is apart from pond inner bottom part
Preferably 420mm.
The annexation of A20+MBR processing units is：Water inlet is installed in the left upper part of A20+MBR processing units,
Sewage enters anaerobic pond by water inlet；Anaerobic pond handles water and flowed into from top with being connected at the top of anoxic pond, in anaerobic pond to be lacked
Oxygen pond；Anoxic pond is connected with the bottom of Aerobic Pond, and water is handled in anoxic pond and flows into Aerobic Pond from bottom；Aerobic Pond and membrane cisterna top
Processing water flows into membrane cisterna from top in connection, Aerobic Pond；MBR membrane modules are installed, the processing water of membrane cisterna passes through negative pressure in membrane cisterna
Aspirate water outlet.
The sewage water treatment method principle of A20+MBR processing units is：A2O+MBR techniques, using MBR films come instead of tradition
Second pond.This is to be retained the activated sludge and larger molecular organicses in biochemical reaction tank using the filtration of film.MBR
Film retains efficiency high, therefore can reduce floor space, enhances the function of bioreactor significantly by the isolation technics of film, makes
Sludge concentration is greatly improved, its hydraulic detention time（HRT）And sludge retention time（SRT）It can control respectively；In Aerobic Pond
The nitrification liquid on top is back to anoxic pond by nitrification liquid return duct；The sludge of membrane cisterna bottom is back to by mud return line to be detested
Oxygen pond；The aeration produced in Aerobic Pond and the inner bottom part of anoxic pond passes through the aeration head installed, aeration branch pipe, aeration supervisor, gas
Body regulating valve, aerator are handled.
Nominal definition：On：It is upward with earth horizontal plane；
Under：It is upward with earth horizontal plane；
It is left：A left side is defined as in face of the positive left side of equipment；
It is right：The right side is defined as in face of the positive the right of equipment；
Ball-type packing:Spherical suspending filling material, also known as porous rotary spherical floating stuffing, suspension Ball-type packing is by with corrosion resistant, resistance to
The porous spherical that warm, ageing-resistant, high intensity high molecular polymer is molded, point inside and outside bilayer sphere, outside is fishnet shape
Spheroid, inside is rotary-type spheroid, and in use, microorganism colonization is fast, biomembrane is easy to fall off, antiacid alkali, ageing-resistant, no
By water currents, the resistance to biodegradation of service life long products, excess sludge is few, easy for installation；
A20：Also known as AAO methods handling process, is the abbreviation of English Anaerobic-Anoxic-Oxic first letters（Anaerobism-lack
Oxygen-aerobic method）；
MBR:(Membrane Bio-Reactor) membrane bioreactor；
MBBR:(Moving Bed Biofilm Reactor) MBBR.
The technological progress of this A20+MBR processing methods is：Technology path is present not for traditional A20 techniques
Foot, according to engineering experience, proposes A2O+MBR techniques, is installed in anaerobic pond, anoxic pond in biology fluidised form bed, biology fluidised form bed
It is placed with Ball-type packing；Installed in Aerobic Pond in biology fluidised form bed, biology fluidised form bed and be placed with MBBR fillers；Utilize MBR films
To replace traditional second pond；What is obtained has the technical effect that the filtration using biology fluidised form bed and film by biochemical reaction tank
Activated sludge and larger molecular organicses retain；MBR films retain efficiency high, and the technical purpose reached is：Occupation of land face can be reduced
Product, enhances the function of bioreactor by the isolation technics of film, greatly improves sludge concentration, during its hydraulic retention significantly
Between（HRT）And sludge retention time（SRT）It can control respectively.The purpose of nitrification liquid backflow is the carbon in order to be intake using front end
Source（COD）Denitrification is carried out, nitrate is removed, reaches the purpose of denitrogenation, can so save and add external carbon source, reduction operation
Cost.
The technical purpose specifically reached of this A20+MBR processing methods also has：Efficient separation of solid and liquid, effluent quality high-quality
It is stable.Surplus sludge volume is few.Floor space is small, and without second pond, process equipment is concentrated.It can remove hardly degraded organic substance.Overcome
The drawbacks of easily sludge bulking occurs for traditional active sludge.Convenient operation and management, it is easy to accomplish automatically control.
Brief description of the drawings
Fig. 1 processing unit sewage water treatment method flow charts；
Fig. 2 processing device structure diagrams；
In figure：1- water inlets, 2- anaerobic ponds, 3- anoxic ponds, 4- Aerobic Ponds, 5- membrane cisternas, 6-MBR membrane modules, 7- Ball-type packings, 8-
MBBR fillers, 9- delivery ports, 10- inspection sockets, 11- aeration heads, 12- aeration branch pipes, 13- aerations supervisor, 14- gas regulations
Valve, 15- aerators, 16- mud return lines, 17- nitrification liquid return ducts.
Embodiment
Embodiment one
Need to install the place without processing equipment in the water supply and sewage work of town and country and implement this patent A20+MBR processing methods.
A20+MBR processing methods are included using A20+MBR processing units：Water inlet 1, anaerobic pond 2, anoxic pond 3, Aerobic Pond
4, membrane cisterna 5, MBR membrane modules 6, Ball-type packing 7, MBBR fillers 8, delivery port 9, aeration head 11, aeration branch pipe 12, aeration supervisor
13rd, gas control valve 14, aerator 15, mud return line 16, nitrification liquid return duct 17, biology fluidised form bed；Pacify in membrane cisterna 5
Equipped with MBR membrane modules 6；Nitrification liquid return duct 17 is installed between Aerobic Pond 4 and the top of anoxic pond 3；In membrane cisterna 5 and anaerobic pond
Mud return line 16 is installed between 2 bottoms；Aeration head 11, aeration branch pipe are mounted in the inner bottom part of Aerobic Pond 4 and membrane cisterna 5
12；Aeration supervisor 13 and aerator 15 are installed at the top of the ectosome of A20+MBR processing units, in the centre of aeration branch pipe 12
And it is mounted on gas control valve 14 between aeration branch pipe 12 and aeration supervisor 13；The annexation of A20+MBR processing units
It is：Water inlet 1 is installed in the left upper part of A20+MBR processing units, sewage enters anaerobic pond 2 by water inlet 1；Anaerobism
Pond 2 is connected with the top of anoxic pond 3, and water is handled in anaerobic pond 2 and flows into anoxic pond 3 from top；Anoxic pond 3 and the bottom of Aerobic Pond 4
Processing water flows into Aerobic Pond 4 from bottom in connection, anoxic pond 3；Aerobic Pond 4 is connected with the top of membrane cisterna 5, and water is handled in Aerobic Pond 4
Membrane cisterna 5 is flowed into from top；MBR membrane modules 6 are installed in membrane cisterna 5；A20+MBR process method steps are as follows：
1st, sewage enters anaerobic pond 2, the biology fluidised form bed filtering that sewage passes through in anaerobic pond 2 by water inlet 1；
2nd, the sewage of prefiltration enters anoxic pond 3, the biology fluidised form bed filtering that sewage passes through in anoxic pond 3 in anaerobic pond 2；
3rd, the sewage filtered in anoxic pond 3 enters Aerobic Pond 4, the biology fluidised form bed filtering that sewage passes through in Aerobic Pond 4；
4th, the sewage that Aerobic Pond 4 is filtered enters membrane cisterna 5, and the MBR membrane modules 6 that sewage passes through in membrane cisterna 5 are filtered；
5th, the sewage filtered by the MBR membrane modules 6 in membrane cisterna 5 is excluded in the presence of negative pressure by delivery port 9；
6th, the sludge in the bottom of membrane cisterna 5 by mud return line 17 is back to the bottom of anaerobic pond 2；
7th, the nitrification liquid on the top of anoxic pond 3 is back to Aerobic Pond 4 by nitrification liquid return duct 17.
Described biology fluidised form bed is arranged in anaerobic pond 2, anoxic pond 3, and Ball-type packing 7 is placed with biology fluidised form bed.
Described biology fluidised form bed is arranged in Aerobic Pond 4, and MBBR fillers 8 are placed with biology fluidised form bed.
Aeration head 11, aeration branch pipe 12 are mounted in the inner bottom part of Aerobic Pond 4 and membrane cisterna 5；In A20+MBR processing units
Ectosome at the top of aeration supervisor 13 and aerator 15 is installed, in the centre of aeration branch pipe 12 and aeration branch pipe 12 and aeration
Gas control valve 14 is mounted between supervisor 13.Biology fluidised form bed is the top of grid casing casing apart from the low side of delivery port 1
It is 120mm, the bottom of casing is 420mm apart from pond inner bottom part.
The annexation of A20+MBR processing units is：Water inlet 1 is installed in the left upper part of A20+MBR processing units,
Sewage enters anaerobic pond 2 by water inlet；Anaerobic pond 2 is connected with the top of anoxic pond 3, and water is handled in anaerobic pond 2 and is flowed from top
Enter anoxic pond 3；Anoxic pond 3 is connected with the bottom of Aerobic Pond 4, and water is handled in anoxic pond 3 and flows into Aerobic Pond 4 from bottom；Aerobic Pond 4
Connected with the top of membrane cisterna 5, water is handled in Aerobic Pond 4 and flows into membrane cisterna 5 from top；MBR membrane modules 6, membrane cisterna 6 are installed in membrane cisterna 5
Processing water pass through negative-pressure ward water outlet.
The sewage water treatment method principle of A20+MBR processing units is：A2O+MBR techniques, using MBR films come instead of tradition
Second pond.This is to be retained the activated sludge and larger molecular organicses in biochemical reaction tank using the filtration of film.MBR
Film retains efficiency high, therefore can reduce floor space, enhances the function of bioreactor significantly by the isolation technics of film, makes
Sludge concentration is greatly improved, its hydraulic detention time（HRT）And sludge retention time（SRT）It can control respectively.
With 2t（）/d（My god）Treating capacity exemplified by, inflow is 83L during continuous operation in theory（Rise）/h（Hour）, it is real
Border can also be according to actual amount of water intermittent water inflow when running.
The water inlet 1 of the water outlet slave unit of septic tank enters anaerobic pond 2, and the residence time is 3 h in anaerobic pond 2（It is small
When）, dischargeable capacity 250L（Rise）, afterwards into anoxic pond 3, the h of 3 residence time of anoxic pond 3（Hour）, dischargeable capacity 250L
（Rise）, afterwards into Aerobic Pond 4, the h of residence time 5 in Aerobic Pond 4（Hour）, dischargeable capacity 415L（Rise）, membrane cisterna 5 is interior to stop
The h of time 5（Hour）, dischargeable capacity 415L（Rise）, the water of membrane cisterna 5 taken out with self priming pump at the delivery port 9 above MBR membrane modules 6
Arrange out.
Ball-type packing 7 is used in anaerobic pond 2 and anoxic pond 3, without aeration, control dissolved oxygen is less than 0.5mg (milligram)/L
（Rise）, Aerobic Pond 4 is interior to use MBBR fillers 7, it is necessary to be aerated, and control dissolved oxygen is in 2mg (milligram)/L（Rise）In left and right, membrane cisterna 5
Without filler, it is necessary to enough aerations, it is ensured that sludge is in suspended state, while recoiling to MBR membrane modules 6, prevents from blocking up
Plug, every film of theoretical amount needs aeration quantity 12L（Rise）/Min（Minute）, and 2 t（）/d（My god）The MBR membrane modules for the treatment of capacity
6 need 5 films, therefore the aeration quantity about 60L of film（Rise）/Min（Minute）.The sludge reflux of membrane cisterna 5 enters in anaerobic pond 2
The release of row phosphorus, the nitrification liquid of Aerobic Pond 4 is back in anoxic pond 3, and denitrification, release are carried out to nitrate using denitrifying bacterium
Nitrogen, removes total nitrogen.By as shown in the table in the effluent quality after processing before the device processing method：
| COD | BOD5 | SS | NH3 | TN | TP | |
| Water inlet mg/L | 《350 | 《200 | 《150 | 《25 | 《35 | 《4 |
| Water outlet mg/L | 《50 | 《10 | 《10 | 《5 | 《15 | 《0.5 |
Embodiment two
Biology fluidised form bed is grid casing, and the top of casing is apart from delivery port low side 80mm, and the bottom of casing is apart from pond inner bottom part
380mm。
Remaining is ibid repeated no more.
Embodiment three
Biology fluidised form bed is grid casing, and the top of casing is apart from delivery port low side 150mm, and the bottom of casing is apart from pond inner bottom part
450mm。
Remaining is ibid repeated no more.
Claims (6)
1.A20+MBR processing method, it is characterised in that：Described A20+MBR processing methods use A20+MBR processing unit bags
Include：Water inlet, anaerobic pond, anoxic pond, Aerobic Pond, membrane cisterna, MBR membrane modules, Ball-type packing, MBBR fillers, delivery port, aeration
Head, aeration branch pipe, aeration supervisor, gas control valve, aerator, mud return line, nitrification liquid return duct, biology fluidised form bed；
MBR membrane modules are installed in membrane cisterna；Nitrification liquid return duct is installed between Aerobic Pond and anoxic pond top；Membrane cisterna and detesting
Oxygen bottom of pond is provided with mud return line between portion；Aeration head, aeration branch pipe are mounted in the inner bottom part of Aerobic Pond and membrane cisterna；
Aeration supervisor and aerator are installed, in the centre of aeration branch pipe and aeration branch at the top of the ectosome of A20+MBR processing units
Gas control valve is mounted between pipe and aeration supervisor；The annexation of A20+MBR processing units is：In A20+MBR processing
The left upper part of device is provided with water inlet, and sewage enters anaerobic pond by water inlet；Anaerobic pond is connected with anoxic pond top,
Water is handled in anaerobic pond and flows into anoxic pond from top；Anoxic pond is connected with the bottom of Aerobic Pond, and water is handled in anoxic pond from bottom
Flow into Aerobic Pond；Aerobic Pond handles water with being connected at the top of membrane cisterna, in Aerobic Pond and flows into membrane cisterna from top；MBR is installed in membrane cisterna
Membrane module；A20+MBR process method steps are as follows：
Sewage enters anaerobic pond, the biology fluidised form bed filtering that sewage passes through in anaerobic pond by water inlet；
The sewage of prefiltration enters anoxic pond, the biology fluidised form bed filtering that sewage passes through in anoxic pond in anaerobic pond；
The sewage filtered in anoxic pond enters Aerobic Pond, the biology fluidised form bed filtering that sewage passes through in Aerobic Pond；
The sewage of Aerobic Pond filtering enters membrane cisterna, the MBR membrane modules filtering that sewage passes through in membrane cisterna；
Sewage by the MBR membrane modules filtering in membrane cisterna is excluded in the presence of negative pressure by delivery port；
Sludge in membrane cisterna bottom by mud return line is back to anaerobic pond bottom；
The nitrification liquid on anoxic pond top is back to Aerobic Pond by return duct.
2. A20+MBR processing methods as claimed in claim 1, it is characterised in that：Described biology fluidised form bed is grid casing, casing
Top apart from delivery port low side 80-150mm, the bottom of casing is apart from pond inner bottom part 380-450mm.
3. A20+MBR processing methods as claimed in claim 1, it is characterised in that：Described biology fluidised form bed is grid casing, casing
Top be preferably 120mm apart from delivery port low side, the bottom of casing is preferably 420mm apart from pond inner bottom part.
4. A20+MBR processing methods as claimed in claim 1, it is characterised in that：Described biology fluidised form bed is arranged on anaerobic pond, lacked
In oxygen pond, Ball-type packing is placed with biology fluidised form bed.
5. A20+MBR processing methods as claimed in claim 1, it is characterised in that：Described biology fluidised form bed is arranged in Aerobic Pond,
MBBR fillers are placed with biology fluidised form bed.
6. A20+MBR processing methods as claimed in claim 1, it is characterised in that：Described membrane cisterna is negative pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710489950.9A CN107200401A (en) | 2017-06-25 | 2017-06-25 | The aerobic membrane module processing method of anaerobic/anoxic |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710489950.9A CN107200401A (en) | 2017-06-25 | 2017-06-25 | The aerobic membrane module processing method of anaerobic/anoxic |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935179A (en) * | 2017-12-05 | 2018-04-20 | 上海碧禹水务工程有限公司 | A kind of integrated domestic sewage treatment device using MBR techniques |
| CN109970194A (en) * | 2019-04-16 | 2019-07-05 | 凌志环保股份有限公司 | It is a kind of integrate Ao Baoer, biological multiplication, MBBR, MBR diversification technique sewage treatment pot |
| CN109970196A (en) * | 2019-04-16 | 2019-07-05 | 凌志环保股份有限公司 | A kind of integrated form integrated waste water treating tank of application biology multiplication and fluidized-bed process |
| CN110028156A (en) * | 2019-04-16 | 2019-07-19 | 凌志环保股份有限公司 | A kind of MBBR+MBR integrated sewage treating apparatus |
| CN110054282A (en) * | 2019-04-12 | 2019-07-26 | 南方泵业智水（杭州）科技有限公司 | Integrated sewage treating apparatus |
| CN110950489A (en) * | 2019-04-18 | 2020-04-03 | 湖南湘牛环保实业有限公司 | Intelligent integrated treatment equipment and process for domestic sewage in expressway service area |
| CN110981114A (en) * | 2019-12-27 | 2020-04-10 | 天津膜天膜科技股份有限公司 | Bury formula sewage treatment device |
-
2017
- 2017-06-25 CN CN201710489950.9A patent/CN107200401A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107935179A (en) * | 2017-12-05 | 2018-04-20 | 上海碧禹水务工程有限公司 | A kind of integrated domestic sewage treatment device using MBR techniques |
| CN110054282A (en) * | 2019-04-12 | 2019-07-26 | 南方泵业智水（杭州）科技有限公司 | Integrated sewage treating apparatus |
| CN109970194A (en) * | 2019-04-16 | 2019-07-05 | 凌志环保股份有限公司 | It is a kind of integrate Ao Baoer, biological multiplication, MBBR, MBR diversification technique sewage treatment pot |
| CN109970196A (en) * | 2019-04-16 | 2019-07-05 | 凌志环保股份有限公司 | A kind of integrated form integrated waste water treating tank of application biology multiplication and fluidized-bed process |
| CN110028156A (en) * | 2019-04-16 | 2019-07-19 | 凌志环保股份有限公司 | A kind of MBBR+MBR integrated sewage treating apparatus |
| CN110950489A (en) * | 2019-04-18 | 2020-04-03 | 湖南湘牛环保实业有限公司 | Intelligent integrated treatment equipment and process for domestic sewage in expressway service area |
| CN110981114A (en) * | 2019-12-27 | 2020-04-10 | 天津膜天膜科技股份有限公司 | Bury formula sewage treatment device |
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