CN105060624A - Sewage treatment biochemical reaction tank - Google Patents
Sewage treatment biochemical reaction tank Download PDFInfo
- Publication number
- CN105060624A CN105060624A CN201510459412.6A CN201510459412A CN105060624A CN 105060624 A CN105060624 A CN 105060624A CN 201510459412 A CN201510459412 A CN 201510459412A CN 105060624 A CN105060624 A CN 105060624A
- Authority
- CN
- China
- Prior art keywords
- reaction tank
- water
- water outlet
- permanently connected
- mutually permanently
- 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.)
- Pending
Links
Landscapes
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a sewage treatment biochemical reaction tank, which includes: a reaction tank body, a water inlet pipe, a water distribution pipe, a first filling layer, a first reaction tank, a first partition board, a first water outlet, a second reaction tank, a diving mixer, a second filling layer, a second partition board, a second water outlet, a lifting pump, a third water outlet pipe, a biological fluidized tank, a communicating pipeline, a biological filter material, an anaerobic biofilter, a clean water tank, a third water outlet, a drainage tank, a drainage pipe, a water outlet pump, an aeration main pipe, aeration branch pipes, a blower and a third reaction tank. The sewage treatment biochemical reaction tank is characterized in that: one side of the reaction tank body is provided with the water inlet pipe, the water inlet pipe and the reaction tank body are in mutual fixed connection, one side of the water inlet pipe is provided with the water distribution pipe, the water distribution pipe and the water inlet pipe are in mutual fixed connection, and the reaction tank body is internally provided with the first reaction tank. The sewage treatment biochemical reaction tank provided by the invention has the advantages of stable operation, high reaction efficiency and low cost.
Description
Technical field
The present invention relates to sewage treatment area, particularly relate to a kind of sewage disposal biochemical reaction tank.
Background technology
At present, sewage disposal is one program that current field of industrial production often needs, and especially for industries such as various weaving, papermaking, printing and dyeing, chemical industry, because wastewater flow rate is large, if do not carried out reliable sewage disposal, then causes extremely serious pollution by environment.Existing sewage disposal technology basic forming, but the eutrophication of the water body that nitrogen phosphorus excessive emissions causes, it is still the significant problem that water pollutions exists, sewage disposal is no longer only for the purpose of organics removal, but should organics removal denitrogenation dephosphorizing again, reduce body eutrophication, traditional Biological Nitrogen Removal Processe, comprise A/0, improvement A/0, the techniques such as oxidation ditch, though generally there is Nitrogen/Phosphorus Removal, but reactor is many, complex process, energy consumption is high, in order to obtain good Nitrogen/Phosphorus Removal simultaneously, need to increase sludge reflux or additional carbon, not only add process operation expense, and create a large amount of excess sludges.Denitrification nitrogen and phosphorus removal technology is existing certain development in recent years, it replaces oxygen as electron acceptor(EA) during dephosphorization using nitrate radical, by Denitrifying Phosphate Accumulating Organisms, denitrogenation and dephosphorization process are united two into one, traditional technology can be overcome and remove contradiction between phosphorus, reduce aeration rate, reducing mud discharge capacity, is denitrification dephosphorization technique that is energy-efficient and Sustainable development, and this is focus and the inexorable trend of the research of current municipal effluent denitrification dephosphorization technique.About denitrification nitrogen and phosphorus removal Technology, also have a lot of research now, although method can both obtain good treatment effect greatly at present, in technique, the multiple settling tank of ubiquity carries out precipitate and separate to Denitrifying Phosphate Accumulating Organisms.More existing sewage disposal devices, not only complex process, long processing period, inconvenient operation, needs second pond, and facility floor space is large, and construction and running cost remain high, and are unfavorable for popularizing, be not suitable for small-scale sewage treatment facility, and energy consumption are high.In recent years, also develop some integrated processing techniques, this integrated apparatus is generally embedded in underground, be difficult to keep in repair, once Controlling System is out of joint, whole sewage treatment facility will be paralysed, microorganism growth is unstable, and anti-shock loading is not strong, thus causes water quality not up to standard.Current sewage disposal technology basic forming, many weak points such as there is reactor many, step is many, and reactor useful volume is little, and efficiency is low, be awkward.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, provide a kind of sewage disposal biochemical reaction tank, the present invention is provided with diving mixer, mud can not deposit, for biological bacterium colony creates stable growth environment, active mud content in increase system while reducing dead mud at the bottom of pond.The present invention have stable, reaction efficiency is high and lower-cost advantage.
Technical scheme of the present invention is: a kind of sewage disposal biochemical reaction tank, comprise: reaction tank body, water inlet pipe, water distributor, first packing layer, first reaction tank, first dividing plate, first water outlet, second reaction tank, diving mixer, second packing layer, second partition, second water outlet, lift pump, 3rd rising pipe, organism fluidization pond, connecting pipeline, biofilter material, anaerobic biofilter, clean water basin, 3rd water outlet, blowoff basin, water shoot, go out water pump, aeration is responsible for, aeration branch pipe, gas blower and the 3rd reaction tank, it is characterized in that: described reaction tank body side is provided with water inlet pipe, described water inlet pipe and reaction tank body are mutually permanently connected, described water inlet pipe side is provided with water distributor, described water distributor and water inlet pipe are mutually permanently connected, the first reaction tank is provided with in described reaction tank body, described water distributor is arranged in the first reaction tank, described water distributor upper end is provided with the first packing layer, described first reaction tank side is provided with the second reaction tank, the first dividing plate is provided with between described first reaction tank and the second reaction tank, be mutually permanently connected with reaction tank body bottom described first dividing plate, described first dividing plate is provided with the first water outlet, described first dividing plate side is provided with diving mixer, described diving mixer and the first dividing plate are mutually permanently connected, the second packing layer is provided with in described second reaction tank, described second reaction tank side is provided with the 3rd reaction tank, second partition is provided with between described second reaction tank and the 3rd reaction tank, described second partition is provided with the second water outlet, be mutually permanently connected with reaction tank body bottom described second partition, lift pump is provided with in described 3rd reaction tank, described lift pump upper end is provided with the 3rd rising pipe, described 3rd rising pipe one end and lift pump are mutually permanently connected, the described 3rd rising pipe the other end is provided with organism fluidization pond, upper end, described organism fluidization pond is provided with connecting pipeline, described connecting pipeline and organism fluidization pond are interconnected, side, described organism fluidization pond is provided with anaerobic biofilter, described anaerobic biofilter upper end and connecting pipeline are mutually permanently connected, described anaerobic biofilter side is provided with clean water basin, described clean water basin upper end and connecting pipeline are mutually permanently connected, described clean water basin side is provided with the 3rd water outlet, described 3rd water outlet side is provided with blowoff basin, described 3rd water outlet and blowoff basin are interconnected, described blowoff basin side is provided with water shoot, described water shoot and blowoff basin are mutually permanently connected, described blowoff basin lower end is provided with aeration supervisor, described aeration supervisor is provided with aeration branch pipe, described aeration branch pipe and aeration are responsible for and are interconnected.
Further, biofilter material is provided with in described anaerobic biofilter.
Further, described water shoot is provided with out water pump.
Further, described aeration supervisor side is provided with gas blower.
Beneficial effect of the present invention is: a kind of sewage disposal biochemical reaction tank, comprise: reaction tank body, water inlet pipe, water distributor, first packing layer, first reaction tank, first dividing plate, first water outlet, second reaction tank, diving mixer, second packing layer, second partition, second water outlet, lift pump, 3rd rising pipe, organism fluidization pond, connecting pipeline, biofilter material, anaerobic biofilter, clean water basin, 3rd water outlet, blowoff basin, water shoot, go out water pump, aeration is responsible for, aeration branch pipe, gas blower and the 3rd reaction tank, it is characterized in that: described reaction tank body side is provided with water inlet pipe, described water inlet pipe and reaction tank body are mutually permanently connected, described water inlet pipe side is provided with water distributor, described water distributor and water inlet pipe are mutually permanently connected, the first reaction tank is provided with in described reaction tank body, described water distributor is arranged in the first reaction tank, described water distributor upper end is provided with the first packing layer, described first reaction tank side is provided with the second reaction tank, the first dividing plate is provided with between described first reaction tank and the second reaction tank, be mutually permanently connected with reaction tank body bottom described first dividing plate, described first dividing plate is provided with the first water outlet, described first dividing plate side is provided with diving mixer, described diving mixer and the first dividing plate are mutually permanently connected, the second packing layer is provided with in described second reaction tank, described second reaction tank side is provided with the 3rd reaction tank, second partition is provided with between described second reaction tank and the 3rd reaction tank, described second partition is provided with the second water outlet, be mutually permanently connected with reaction tank body bottom described second partition, lift pump is provided with in described 3rd reaction tank, described lift pump upper end is provided with the 3rd rising pipe, described 3rd rising pipe one end and lift pump are mutually permanently connected, the described 3rd rising pipe the other end is provided with organism fluidization pond, upper end, described organism fluidization pond is provided with connecting pipeline, described connecting pipeline and organism fluidization pond are interconnected, side, described organism fluidization pond is provided with anaerobic biofilter, described anaerobic biofilter upper end and connecting pipeline are mutually permanently connected, described anaerobic biofilter side is provided with clean water basin, described clean water basin upper end and connecting pipeline are mutually permanently connected, described clean water basin side is provided with the 3rd water outlet, described 3rd water outlet side is provided with blowoff basin, described 3rd water outlet and blowoff basin are interconnected, described blowoff basin side is provided with water shoot, described water shoot and blowoff basin are mutually permanently connected, described blowoff basin lower end is provided with aeration supervisor, described aeration supervisor is provided with aeration branch pipe, described aeration branch pipe and aeration are responsible for and are interconnected.The present invention is provided with diving mixer, and mud can not deposit, for biological bacterium colony creates stable growth environment, and active mud content in increase system while reducing dead mud at the bottom of pond.The present invention have stable, reaction efficiency is high and lower-cost advantage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein: 1, reaction tank body 2, water inlet pipe 3, water distributor
4, the first packing layer 5, first reaction tank 6, first dividing plate
7, the first water outlet 8, second reaction tank 9, diving mixer
10, the second packing layer 11, second partition 12, second water outlet
13, lift pump 14, the 3rd rising pipe 15, organism fluidization pond
16, connecting pipeline 17, biofilter material 18, anaerobic biofilter
19, clean water basin 20, the 3rd water outlet 21, blowoff basin
22, water shoot 23, go out water pump 24, aeration supervisor
25, aeration branch pipe 26, gas blower 27, the 3rd reaction tank
Embodiment
Below in conjunction with accompanying drawing, brief description is made to the specific embodiment of the present invention.
As shown in Figure 1, a kind of sewage disposal biochemical reaction tank, comprise: reaction tank body 1, water inlet pipe 2, water distributor 3, first packing layer 4, first reaction tank 5, first dividing plate 6, first water outlet 7, second reaction tank 8, diving mixer 9, first packing layer 10, second partition 11, second water outlet 12, lift pump 13, 3rd rising pipe 14, organism fluidization pond 15, connecting pipeline 16, biofilter material 17, anaerobic biofilter 18, clean water basin 19, 3rd water outlet 20, blowoff basin 21, water shoot 22, go out water pump 23, aeration supervisor 24, aeration branch pipe 25, gas blower 26 and the 3rd reaction tank 27, it is characterized in that: described reaction tank body 1 side is provided with water inlet pipe 2, described water inlet pipe 2 is mutually permanently connected with reaction tank body 1, described water inlet pipe 2 side is provided with water distributor 3, described water distributor 3 is mutually permanently connected with water inlet pipe 2, the first reaction tank 5 is provided with in described reaction tank body 1, described water distributor 3 is arranged in the first reaction tank 5, described water distributor 3 upper end is provided with the first packing layer 10, described first reaction tank 5 side is provided with the second reaction tank 8, the first dividing plate 6 is provided with between described first reaction tank 5 and the second reaction tank 8, be mutually permanently connected with reaction tank body 1 bottom described first dividing plate 6, described first dividing plate 6 is provided with the first water outlet 7, described first dividing plate 6 side is provided with diving mixer 9, described diving mixer 9 and the first dividing plate 6 are mutually permanently connected, the second packing layer 10 is provided with in described second reaction tank 8, described second reaction tank 8 side is provided with the 3rd reaction tank 27, second partition 11 is provided with between described second reaction tank 8 and the 3rd reaction tank 27, described second partition 11 is provided with the second water outlet 12, be mutually permanently connected with reaction tank body 1 bottom described second partition 11, lift pump 13 is provided with in described 3rd reaction tank 27, described lift pump 13 upper end is provided with the 3rd rising pipe 14, described 3rd rising pipe 14 one end and lift pump 13 are mutually permanently connected, described 3rd rising pipe 14 the other end is provided with organism fluidization pond 15, upper end, described organism fluidization pond 15 is provided with connecting pipeline 16, described connecting pipeline 16 is interconnected with organism fluidization pond 15, side, described organism fluidization pond 15 is provided with anaerobic biofilter 18, described anaerobic biofilter 18 upper end and connecting pipeline 16 are mutually permanently connected, described anaerobic biofilter 18 side is provided with clean water basin 19, described clean water basin 19 upper end and connecting pipeline 16 are mutually permanently connected, described clean water basin 19 side is provided with the 3rd water outlet 20, described 3rd water outlet 20 side is provided with blowoff basin 21, described 3rd water outlet 20 is interconnected with blowoff basin 21, described blowoff basin 21 side is provided with water shoot 22, described water shoot 22 is mutually permanently connected with blowoff basin 21, described blowoff basin 21 lower end is provided with aeration supervisor 24, described aeration supervisor 24 is provided with aeration branch pipe 25, described aeration branch pipe 25 is responsible for 24 with aeration and is interconnected.Mode of operation: first sewage enter in water distributor by water inlet pipe, water distributor connects in the form of a ring, by water distributor uniformly distributing in the first reaction tank, sewage enters into the first reaction tank by water distributor, elasticity condiment is provided with in first reaction tank, sewage contacts with the elastic filler in the first reaction tank and stops, remove larger suspended substance, after in equalizing tank, homogeneous is collected, through lift pump, sewage is pumped in organism fluidization pond from the 3rd reaction tank, then anaerobic biofilter is entered into by the connecting pipeline of upper end, organism fluidization pond, macromole organic pollutant is decomposed into small molecules organic pollutant by microorganism, be conducive to latter stage process.Then, sewage enters in clean water basin, and the water after the process of clean water basin biochemistry pool enters into water shoot through blowoff basin, is emitted by water by going out water pump.Pressurized air enters in the 3rd reaction tank by aeration supervisor from aeration branch pipe by gas blower, and small bubble passes in the 3rd reaction tank by aeration branch pipe, aerobe reaction occurs by pollutant removal, completes the purifying treatment to sewage.
Above embodiment, only in order to technical scheme of the present invention to be described, can not limit scope of the present invention with this; To the amendment that the technical scheme described in foregoing embodiments is carried out, or to the equivalent replacement that wherein portion of techniques feature is carried out, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme, all should still remain within the scope of the patent.
Claims (4)
1. a sewage disposal biochemical reaction tank, comprise: reaction tank body, water inlet pipe, water distributor, first packing layer, first reaction tank, first dividing plate, first water outlet, second reaction tank, diving mixer, second packing layer, second partition, second water outlet, lift pump, 3rd rising pipe, organism fluidization pond, connecting pipeline, biofilter material, anaerobic biofilter, clean water basin, 3rd water outlet, blowoff basin, water shoot, go out water pump, aeration is responsible for, aeration branch pipe, gas blower and the 3rd reaction tank, it is characterized in that: described reaction tank body side is provided with water inlet pipe, described water inlet pipe and reaction tank body are mutually permanently connected, described water inlet pipe side is provided with water distributor, described water distributor and water inlet pipe are mutually permanently connected, the first reaction tank is provided with in described reaction tank body, described water distributor is arranged in the first reaction tank, described water distributor upper end is provided with the first packing layer, described first reaction tank side is provided with the second reaction tank, the first dividing plate is provided with between described first reaction tank and the second reaction tank, be mutually permanently connected with reaction tank body bottom described first dividing plate, described first dividing plate is provided with the first water outlet, described first dividing plate side is provided with diving mixer, described diving mixer and the first dividing plate are mutually permanently connected, the second packing layer is provided with in described second reaction tank, described second reaction tank side is provided with the 3rd reaction tank, second partition is provided with between described second reaction tank and the 3rd reaction tank, described second partition is provided with the second water outlet, be mutually permanently connected with reaction tank body bottom described second partition, lift pump is provided with in described 3rd reaction tank, described lift pump upper end is provided with the 3rd rising pipe, described 3rd rising pipe one end and lift pump are mutually permanently connected, the described 3rd rising pipe the other end is provided with organism fluidization pond, upper end, described organism fluidization pond is provided with connecting pipeline, described connecting pipeline and organism fluidization pond are interconnected, side, described organism fluidization pond is provided with anaerobic biofilter, described anaerobic biofilter upper end and connecting pipeline are mutually permanently connected, described anaerobic biofilter side is provided with clean water basin, described clean water basin upper end and connecting pipeline are mutually permanently connected, described clean water basin side is provided with the 3rd water outlet, described 3rd water outlet side is provided with blowoff basin, described 3rd water outlet and blowoff basin are interconnected, described blowoff basin side is provided with water shoot, described water shoot and blowoff basin are mutually permanently connected, described blowoff basin lower end is provided with aeration supervisor, described aeration supervisor is provided with aeration branch pipe, described aeration branch pipe and aeration are responsible for and are interconnected.
2., according to a kind of sewage disposal biochemical reaction tank described in claim 1, it is characterized in that: in described anaerobic biofilter, be provided with biofilter material.
3., according to a kind of sewage disposal biochemical reaction tank described in claim 1, it is characterized in that: described water shoot is provided with out water pump.
4. according to a kind of sewage disposal biochemical reaction tank described in claim 1, it is characterized in that: described aeration supervisor side is provided with gas blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459412.6A CN105060624A (en) | 2015-07-30 | 2015-07-30 | Sewage treatment biochemical reaction tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510459412.6A CN105060624A (en) | 2015-07-30 | 2015-07-30 | Sewage treatment biochemical reaction tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105060624A true CN105060624A (en) | 2015-11-18 |
Family
ID=54490214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510459412.6A Pending CN105060624A (en) | 2015-07-30 | 2015-07-30 | Sewage treatment biochemical reaction tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105060624A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105481209A (en) * | 2016-02-17 | 2016-04-13 | 王纬 | Municipal sewage treatment system |
| CN105565608A (en) * | 2016-02-03 | 2016-05-11 | 中北大学 | Data mining based sewage treatment system |
| CN105948387A (en) * | 2016-05-27 | 2016-09-21 | 彭展忠 | Sewage recycling device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865167A (en) * | 2006-04-24 | 2006-11-22 | 顾宇航 | Bioreactor for disposing polluted water |
| CN1935697A (en) * | 2006-10-13 | 2007-03-28 | 东南大学 | Integrated membrane biological fluidized bed sewage treating method and apparatus |
| CN201338967Y (en) * | 2009-01-04 | 2009-11-04 | 上海大学 | Novel biological membrane integrated device for disposing paper-making waste water |
| CN201495154U (en) * | 2009-07-31 | 2010-06-02 | 顾宇航 | Biological wastewater treatment system combining biological fluidized bed with biological filter bed |
| CN201648177U (en) * | 2010-01-13 | 2010-11-24 | 上海方合正环境工程科技发展有限公司 | Biological reaction equipment |
| CN204939189U (en) * | 2015-07-30 | 2016-01-06 | 天津霍普环保科技有限公司 | A kind of sewage disposal biochemical reaction tank |
-
2015
- 2015-07-30 CN CN201510459412.6A patent/CN105060624A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1865167A (en) * | 2006-04-24 | 2006-11-22 | 顾宇航 | Bioreactor for disposing polluted water |
| CN1935697A (en) * | 2006-10-13 | 2007-03-28 | 东南大学 | Integrated membrane biological fluidized bed sewage treating method and apparatus |
| CN201338967Y (en) * | 2009-01-04 | 2009-11-04 | 上海大学 | Novel biological membrane integrated device for disposing paper-making waste water |
| CN201495154U (en) * | 2009-07-31 | 2010-06-02 | 顾宇航 | Biological wastewater treatment system combining biological fluidized bed with biological filter bed |
| CN201648177U (en) * | 2010-01-13 | 2010-11-24 | 上海方合正环境工程科技发展有限公司 | Biological reaction equipment |
| CN204939189U (en) * | 2015-07-30 | 2016-01-06 | 天津霍普环保科技有限公司 | A kind of sewage disposal biochemical reaction tank |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105565608A (en) * | 2016-02-03 | 2016-05-11 | 中北大学 | Data mining based sewage treatment system |
| CN105565608B (en) * | 2016-02-03 | 2017-11-10 | 中北大学 | A kind of sewage disposal system based on data mining |
| CN105481209A (en) * | 2016-02-17 | 2016-04-13 | 王纬 | Municipal sewage treatment system |
| CN105948387A (en) * | 2016-05-27 | 2016-09-21 | 彭展忠 | Sewage recycling device |
| CN105948387B (en) * | 2016-05-27 | 2018-11-20 | 彭展忠 | Device for recycling sewage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103979750B (en) | Reactor for sewage treatment and phosphorus recovery and method for recovering phosphorus by using same | |
| CN108191060B (en) | Assembled sewage biological treatment experimental device and process configuration method thereof | |
| CN204958663U (en) | Wastewater treatment process's mud adsorption separation degree of depth nitrogen and phosphorus removal system | |
| CN102531290B (en) | Method and device for sludge digestive fluid two-level biological denitrification | |
| CN103030253A (en) | Folded plate anaerobic moving biofilm online sewage treatment system | |
| CN103979681B (en) | Nitrification/denitrification integrated rural domestic sewage treatment system | |
| CN204509049U (en) | Integration Combined sewage treatment system | |
| CN104071949B (en) | Integrated hybrid biomembrane-activated sludge reaction system and application method thereof | |
| CN105060624A (en) | Sewage treatment biochemical reaction tank | |
| CN104803480A (en) | Multistage bioreactor and method for treating sewage with reactor | |
| CN201614333U (en) | Decentralized sewage treatment device | |
| CN108298760A (en) | Townm refuse transfer station leachate in-situ removal of carbon and nitrogen integrated apparatus and its technique | |
| CN102936082B (en) | Short-range aeration sewage purifier | |
| CN203238141U (en) | Sewage biological treatment membrane filtration system | |
| CN203781915U (en) | Nitrification and denitrification integrated rural domestic sewage treatment system | |
| CN107381811A (en) | Microorganism double source electrochemistry sewage reactor and to low C/N method for the treatment of city waste water | |
| CN204939189U (en) | A kind of sewage disposal biochemical reaction tank | |
| CN109775936A (en) | A kind of low energy consumption domestic sewage processing system | |
| CN104829045A (en) | Method for treating high-concentration chemical wastewater | |
| CN212269816U (en) | Aged landfill leachate non-concentrated solution treatment system | |
| CN104591409A (en) | Micro-aerobic biological treatment device for low-C/N-ratio manure dry-collection pig farm wastewater and method for treating pig farm wastewater | |
| CN213771494U (en) | Upflow type sewage enhanced biological phosphorus removal coupled anaerobic ammonia oxidation denitrification integrated system | |
| CN204569547U (en) | Multi-stage biological reactor | |
| CN1313391C (en) | Multifunctional sewage treatment reaction tank | |
| CN203392982U (en) | High-concentration organic wastewater treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151118 |