CN206457319U - A kind of and oxygen MBR film domestic sewage treatment devices - Google Patents
A kind of and oxygen MBR film domestic sewage treatment devices Download PDFInfo
- Publication number
- CN206457319U CN206457319U CN201720165852.5U CN201720165852U CN206457319U CN 206457319 U CN206457319 U CN 206457319U CN 201720165852 U CN201720165852 U CN 201720165852U CN 206457319 U CN206457319 U CN 206457319U
- Authority
- CN
- China
- Prior art keywords
- mbr film
- oxygen
- pond
- oxygen mbr
- pretreatment pool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 59
- 239000001301 oxygen Substances 0.000 title claims abstract description 59
- 239000010865 sewage Substances 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 244000005700 microbiome Species 0.000 claims abstract description 25
- 238000005273 aeration Methods 0.000 claims abstract description 21
- 239000012528 membrane Substances 0.000 claims abstract description 18
- 238000011534 incubation Methods 0.000 claims abstract description 17
- 241000894006 Bacteria Species 0.000 claims description 19
- 239000010802 sludge Substances 0.000 abstract description 19
- 239000000126 substance Substances 0.000 abstract description 8
- 229920002521 macromolecule Polymers 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 5
- 150000003384 small molecules Chemical class 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000006731 degradation reaction Methods 0.000 description 5
- 230000004060 metabolic process Effects 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 230000007062 hydrolysis Effects 0.000 description 4
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- FRXSZNDVFUDTIR-UHFFFAOYSA-N 6-methoxy-1,2,3,4-tetrahydroquinoline Chemical compound N1CCCC2=CC(OC)=CC=C21 FRXSZNDVFUDTIR-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000002255 enzymatic effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 2
- 238000001471 micro-filtration Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000003403 water pollutant Substances 0.000 description 2
- 239000012190 activator Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 239000002068 microbial inoculum Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
Disclosed in the utility model a kind of and oxygen MBR film domestic sewage treatment devices, including equipment body, equipment body includes equipment compartment, pretreatment pool, and oxygen MBR film reactions pond and clear water reserviors, microorganism incubation division is provided with pretreatment pool, microorganism incubation division respectively with pretreatment pool and and oxygen MBR film reactions pond insertion, blower fan and suction pump are provided with equipment compartment, blower fan output connection blast pipe, the aeration branch road for extending into simultaneous oxygen MBR film reaction bottom of pond portion is connected with blast pipe, more than one aeration plate is interval with aeration branch road, MBR membrane modules are provided with simultaneous oxygen MBR film reactions pond, MBR membrane modules are connected by suction pump by aspirating water pipe with clear water reserviors.The utility model becomes to hold labile small-molecule substance after can macromolecular substances be degraded, so as to preferable anti-Organic loading shock ability, while reducing equipment sludge output, reduce the time of periodic cleaning, make whole equipment energy consumption low.
Description
Technical field
The utility model is related to a kind of domestic sewage treatment device, and particularly a kind of and oxygen MBR film sanitary sewage disposals are set
It is standby.
Background technology
With the enhancing of public's environmental consciousness, at residential quarters, hospital, universities and colleges, restaurant, the sanitary sewage in rural area
Reason requires more and more higher.Current sanitary sewage disposal also has in addition to being focused on by large-scale wastewater treatment plant
The buried sewage treatment equipment that is handled in bio-contact oxidation method and with aerobic activated sludge process+MBR films（MBR
Also known as membrane bioreactor）The integrated sewage treating apparatus that component is handled.The latter is general by bioreactor, film group
Part, water production system, aerating system and spoil disposal and sludge recirculation system composition.This equipment has many advantages, such as, but still suffer from
Lower problems demand is solved：1st, some macromolecular substances are difficult to degrade；2nd, equipment sludge output is big, it is necessary to periodic cleaning；3rd, high energy consumption；
4th, special messenger is needed to operate.
Utility model content
The purpose of this utility model be provide one kind to solve above-mentioned the deficiencies in the prior art can be by macromolecular complex
Matter becomes to hold labile small-molecule substance after being degraded, so that with preferable anti-Organic loading shock ability, while energy
Equipment sludge output is enough reduced, the time of periodic cleaning is reduced, makes whole equipment energy consumption low, a kind of and oxygen operated without special messenger
MBR film domestic sewage treatment devices.
To achieve these goals, a kind of and oxygen MBR film domestic sewage treatment devices designed by the utility model, including
Equipment body, the equipment body includes equipment compartment and the pretreatment pool being sequentially connected and oxygen MBR film reactions pond and clear water
Pond, is provided with water inlet pipe on pretreatment pool, is incubated in pretreatment pool provided with the microorganism that can periodically put into the obligate bacterium NHD of simultaneous oxygen
Change area, crossing water pipe by first between the microorganism incubation division and pretreatment pool connects, and the microorganism incubation division passes through the
Two cross water pipe is connected with simultaneous oxygen MBR film reactions pond, and blower fan and suction pump are provided with equipment compartment, and the blower fan output is connected with drum
Airduct, is connected with the aeration branch road for extending into simultaneous oxygen MBR film reaction bottom of pond portion on blast pipe, is interval with aeration branch road
More than one aeration plate, is provided with MBR membrane modules, the suction pump is by aspirating water pipe by MBR in simultaneous oxygen MBR film reactions pond
Membrane module is connected with clear water reserviors, and outlet pipe is provided with clear water reserviors.
By the design of said structure, sewage is flowed into band by crossing water pipe by first after water inlet pipe inflow pretreatment pool
In the microorganism incubation division for having the obligate bacterium NHD of simultaneous oxygen, now the fluid into microorganism incubation division will be metabolic in incubation division
The microorganism that propagation is produced is brought into and oxygen MBR film reactions pond, is supplemented microorganism, and by system control in anaerobic state
Under the hydrolysis acidification stage, wherein hydrolysis bacterium, the enzymatic of acid-producing bacteria release make to be difficult in water biodegradable macromolecular substances hair
Raw catalytic reaction, makes it be decomposed into degradable small-molecule substance；It is then fed into and oxygen MBR film reactions pond, while by subtracting
Aeration quantity in few and oxygen MBR film reactions pond, DO values maintain 0.5~1.0mg/L intervals in control and oxygen MBR film reactions pond,
Turn out the peculiar microorganism system based on facultative composite oxygen bacterium.Pollutant in water is degraded by the facultative compound bacteria of high concentration
For inorganic substances such as carbon dioxide and water, while the thalline of decline is decomposed metabolism as the nutrient source of other bacteriums again, up to
All be metabolized as inorganic matter, system reaches dynamic equilibrium, clear water reserviors be pumped into finally by suction pump suction, it is up to standard after pass through water outlet
Pipe is discharged, while above-mentioned MBR membrane modules can be microfiltration membranes or milipore filter, can be effective due to the efficient crown_interception of film
Activated sludge is retained, it is completely trapped in simultaneous oxygen MBR film reactions pond so that biological respinse is smoothed out, effectively removes
COD, BOD5, ammonia nitrogen, SS etc., it is to avoid sludge loss, therefore said structure has advantages below：
1）With and oxygen MBR membrane process replace aerobic MBR membrane process, pollutant that can not only be in efficient degradation water, water outlet
Water stabilization, can reduce oxygen supply, save aeration consumption, more conventional traditional aerobic process while efficient degradation water pollutant
Energy-conservation 70%, is blocked while reducing film；
2）By adding pretreatment pool, with preferable anti-Organic loading shock ability, dirty Organic substance in water is changed
Form and property, add the biodegradability of sewage, be conducive to the stable operation of whole system；
3）Increased microorganism incubation division, can supplement the total amount of the microorganism in simultaneous oxygen MBR film reactions pond, also may be used simultaneously
To change the characteristic of activated sludge, the irregular growth of activated sludge is prevented, makes system organic residual sludge under simultaneous oxygen environment
Be decomposed metabolism, and sludge yield and extinction amount reach balance, realize the near-zero release of organic residual sludge；
4）It is high to organic removal rate due to using MBR membrane modules in pond body, can efficiently it be entered using film crown_interception
Row separation of solid and liquid, effluent quality is good, without secondary heavy pond, reduces the occupancy volume of whole equipment.
In order that structure installs simple, the equipment compartment is located at simultaneous between oxygen MBR film reactions pond and clear water reserviors.
A kind of and oxygen MBR film domestic sewage treatment devices that the utility model is obtained, can be dropped macromolecular substances
Become to hold labile small-molecule substance after solution, so that with preferable anti-Organic loading shock ability, equipment production can be reduced
Mud amount, reduces the time of periodic cleaning, while whole equipment energy consumption is low, without special messenger's operation.
Brief description of the drawings
Fig. 1 is a kind of provided in the present embodiment and oxygen MBR film domestic sewage treatment devices structural representation.
In figure：Equipment body 1, pretreatment pool 2, microorganism incubation division 3 and oxygen MBR film reactions pond 4, equipment compartment 5, clear water
Pond 6, blower fan 7, suction pump 8, aeration plate 9, MBR membrane modules 10, blast pipe 11, suction water pipe 12, water inlet pipe 13, first cross water pipe
14th, second water pipe 15, outlet pipe 16, aeration branch road 17 are crossed.
Embodiment
The utility model is further illustrated with reference to the accompanying drawings and examples.
Embodiment：
As shown in figure 1, a kind of and oxygen MBR film domestic sewage treatment devices provided in the present embodiment, including equipment master
Body 1, the equipment body 1 includes equipment compartment 5 and the pretreatment pool 2 being sequentially connected and oxygen MBR film reactions pond 4 and clear water reserviors
6, water inlet pipe 13 is provided with pretreatment pool 2, the obligate bacterium NHD of simultaneous oxygen micro- life can periodically be put into by being provided with pretreatment pool 2
Thing incubation division 3, crosses water pipe 14 by first between the microorganism incubation division 3 and pretreatment pool 2 and connects, the microorganism hatching
Area 3 crosses water pipe 15 by second and is connected with simultaneous oxygen MBR film reactions pond 4, and blower fan 7 and suction pump 8 are provided with equipment compartment 5, described
The output of blower fan 7 is connected with blast pipe 11, and the aeration branch for extending into the simultaneous bottom of oxygen MBR film reactions pond 4 is connected with blast pipe 11
Road 17, more than one aeration plate 9 is interval with aeration branch road 17, and MBR film groups are provided with simultaneous oxygen MBR film reactions pond 4
MBR membrane modules 10 are connected by part 10, the suction pump 8 by aspirating water pipe 12 with clear water reserviors 6, and water outlet is provided with clear water reserviors 6
Pipe 16, while in order that structure installs simple, the equipment compartment 5 is located at simultaneous between oxygen MBR film reactions pond 4 and clear water reserviors 6；At this
Aeration plate 9 described in embodiment has 4, and the number of aeration plate 9 is intended only as preferred scheme consideration here, and specific number can root
It can be 5,8,12 or more depending on the requirement of specific embodiment.
The described in the present embodiment and obligate bacterium NHD of oxygen（That is ammonia nitrogen microbial inoculum）It includes nitrifier, denitrifying bacterium etc., and specially
Property activator mixed aeration after by nitrification and denitrification by mineralized nitrogen be N2.Nitrosomas first during work
By mineralized nitrogen into nitrite, Nitromonas is again by Nitrite transformation into nitrate, finally, and denitrifying bacterium is by nitrate transformation
Discharged for nitrogen, so that the purpose of degradation of ammonia nitrogen is reached, and also this and the obligate bacterium NHD of oxygen are by directly buying.
During work, sewage is flowed into simultaneous oxygen by crossing water pipe 14 by first after the inflow pretreatment pool 2 of water inlet pipe 13
In obligate bacterium NHD microorganism incubation division 3, the fluid for now entering microorganism incubation division 3 breeds metabolism in incubation division
The microorganism of generation is brought into and oxygen MBR film reactions pond 4, is supplemented microorganism, and by system control under anaerobic state
The hydrolysis acidification stage, wherein hydrolysis bacterium, the enzymatic of acid-producing bacteria release make to be difficult in water biodegradable macromolecular substances and occurred
Catalytic reaction, makes it be decomposed into degradable small-molecule substance；It is then fed into and oxygen MBR film reactions pond 4, while by reducing
And the aeration quantity in oxygen MBR film reactions pond 4, DO values maintain 0.5~1.0mg/L intervals in control and oxygen MBR film reactions pond 4,
Turn out the peculiar microorganism system based on facultative composite oxygen bacterium.Pollutant in water is degraded by the facultative compound bacteria of high concentration
For inorganic substances such as carbon dioxide and water, while the thalline of decline is decomposed metabolism as the nutrient source of other bacteriums again, up to
All be metabolized as inorganic matter, system reaches dynamic equilibrium, clear water reserviors be pumped into finally by suction pump suction, it is up to standard after pass through water outlet
Pipe 16 is discharged, while above-mentioned MBR membrane modules 10 can be microfiltration membranes or milipore filter., can be with due to the efficient crown_interception of film
Effectively catching activated sludge, makes it be completely trapped in simultaneous oxygen MBR film reactions pond 4 so that biological respinse is smoothed out, and is effectively gone
Except COD, BOD5, ammonia nitrogen, SS etc., it is to avoid sludge loss, therefore said structure has advantages below：
5）With and oxygen MBR membrane process replace aerobic MBR membrane process, pollutant that can not only be in efficient degradation water, water outlet
Water stabilization, can reduce oxygen supply, save aeration consumption, more conventional traditional aerobic process while efficient degradation water pollutant
Energy-conservation 70%, is blocked while reducing film；
6）By adding pretreatment pool 2, with preferable anti-Organic loading shock ability, change organic in sewage
The form and property of thing, add the biodegradability of sewage, are conducive to the stable operation of whole system；
7）Increased microorganism incubation division 3, can supplement the total amount of the microorganism in simultaneous oxygen MBR film reactions pond 4, also may be used simultaneously
To change the characteristic of activated sludge, the irregular growth of activated sludge is prevented, makes system organic residual sludge under simultaneous oxygen environment
Be decomposed metabolism, and sludge yield and extinction amount reach balance, realize the near-zero release of organic residual sludge；
8）Due to, using MBR membrane modules 10, to organic removal rate height, utilizing film to retain work in simultaneous oxygen MBR film reactions pond 4
With can efficiently carry out separation of solid and liquid, effluent quality is good, without secondary heavy pond, reduces the occupancy volume of whole equipment.
Claims (2)
1. a kind of and oxygen MBR film domestic sewage treatment devices, including equipment body（1）, it is characterized in that：The equipment body（1）
Including equipment compartment（5）And the pretreatment pool being sequentially connected（2）And oxygen MBR film reactions pond（4）And clear water reserviors（6）, in pretreatment
Pond（2）It is provided with water inlet pipe（13）, in pretreatment pool（2）It is interior to be incubated provided with the microorganism that periodically put into the obligate bacterium NHD of simultaneous oxygen
Change area（3）, the microorganism incubation division（3）With pretreatment pool（2）Between pass through first cross water pipe（14）Connection, the microorganism
Incubation division（3）Water pipe is crossed by second（15）With simultaneous oxygen MBR film reactions pond（4）Connection, in equipment compartment（5）It is interior to be provided with blower fan（7）
And suction pump（8）, the blower fan（7）Output is connected with blast pipe（11）, in blast pipe（11）On be connected with and extend into and oxygen MBR
Film reaction pond（4）The aeration branch road of bottom（17）, in aeration branch road（17）On be interval with more than one aeration plate（9）,
And oxygen MBR film reactions pond（4）It is interior to be provided with MBR membrane modules（10）, the suction pump（8）By aspirating water pipe（12）By MBR film groups
Part（10）With clear water reserviors（6）Connection, in clear water reserviors（6）It is provided with outlet pipe（16）.
2. according to claim 1 a kind of and oxygen MBR film domestic sewage treatment devices, it is characterized in that：Including equipment compartment（5）
Located at simultaneous oxygen MBR film reactions pond（4）And clear water reserviors（6）Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165852.5U CN206457319U (en) | 2017-02-23 | 2017-02-23 | A kind of and oxygen MBR film domestic sewage treatment devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720165852.5U CN206457319U (en) | 2017-02-23 | 2017-02-23 | A kind of and oxygen MBR film domestic sewage treatment devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206457319U true CN206457319U (en) | 2017-09-01 |
Family
ID=59690643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720165852.5U Expired - Fee Related CN206457319U (en) | 2017-02-23 | 2017-02-23 | A kind of and oxygen MBR film domestic sewage treatment devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206457319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498567A (en) * | 2019-08-28 | 2019-11-26 | 武汉森泰环保股份有限公司 | Facultative type MBR treatment tank and equipment and processing method |
| CN111747615A (en) * | 2020-07-07 | 2020-10-09 | 潘秀秀 | Environment-friendly multifunctional treatment device for sewage treatment |
-
2017
- 2017-02-23 CN CN201720165852.5U patent/CN206457319U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110498567A (en) * | 2019-08-28 | 2019-11-26 | 武汉森泰环保股份有限公司 | Facultative type MBR treatment tank and equipment and processing method |
| CN111747615A (en) * | 2020-07-07 | 2020-10-09 | 潘秀秀 | Environment-friendly multifunctional treatment device for sewage treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105384247B (en) | It is a kind of that the method that part denitrification couples Anammox denitrogenation is realized by A/O biomembrane process | |
| CN103663725A (en) | Continuous flow biological denitrification method based on granular sludge, and apparatus | |
| CN101525207A (en) | Integrated pre-denitrification and denitrogenation biological filter sewerage treatment process | |
| CN101565258B (en) | Compound technology of biomembrane and granular sludge for treating sulfur-bearing organic wastewater | |
| CN104150716A (en) | Biology processing apparatus capable of processing sewage at low-temperature with low carbon-nitrogen-ratio in cold region and method for processing sewage at low-temperature with low carbon-nitrogen-ratio in cold region | |
| CN110395851B (en) | High-altitude town sewage treatment method based on nitrogen and phosphorus capture and completely autotrophic nitrogen removal | |
| CN108383320B (en) | Integrated treatment method for livestock and poultry breeding wastewater | |
| CN103183447A (en) | Treatment method of piggery wastewater | |
| CN103435155A (en) | Low-energy and intelligent three-dimensional ecological self-refluxing circulation nitrification method and apparatus | |
| CN108383239B (en) | Integrated biological treatment process for shortcut nitrification anaerobic ammonia oxidation and phosphorus removal under intermittent aeration mode | |
| CN112110615A (en) | Upgrading and reforming treatment process and system for urban sewage plant | |
| CN110980947B (en) | Denitrifying phosphorus removal sewage treatment device based on multistage anaerobism-MABR | |
| CN103435157B (en) | Low-energy and intelligent three-dimensional ecological internal circulation nitrification method and apparatus | |
| CN206457319U (en) | A kind of and oxygen MBR film domestic sewage treatment devices | |
| CN104386825A (en) | Method for remediating pond water in situ | |
| CN213895523U (en) | Processing system is reformed transform to mark of carrying of town sewage factory | |
| CN106277312B (en) | A kind of municipal sewage nitrogen rejection facility and its application | |
| CN217947785U (en) | Low C/N ratio waste water enhanced denitrification treatment system | |
| CN203700028U (en) | Combined type membrane bioreactor | |
| CN101200331A (en) | Method for producing reclaimed water by membrane bioreactor-ozone combination technique | |
| CN203373199U (en) | Intelligent three-dimensional ecological self-backflow circulating nitrating device with low energy consumption | |
| CN203373198U (en) | Intelligent low-energy-consumption type three-dimensional ecological inner circulation nitrification device | |
| CN110054296A (en) | It is a kind of for handling A/O/A SBR technique of the low C/N than municipal wastewater | |
| CN205528304U (en) | Polyvinyl butyral waste water biochemical treatment system | |
| CN211546257U (en) | Highly integrated improved A/A/O-MBR integrated sewage treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |