CN109775853B - A/O integrated bioreactor - Google Patents
A/O integrated bioreactor Download PDFInfo
- Publication number
- CN109775853B CN109775853B CN201810510855.7A CN201810510855A CN109775853B CN 109775853 B CN109775853 B CN 109775853B CN 201810510855 A CN201810510855 A CN 201810510855A CN 109775853 B CN109775853 B CN 109775853B
- Authority
- CN
- China
- Prior art keywords
- reaction chamber
- denitrification
- integrated bioreactor
- reaction
- nitrification
- 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.)
- Active
Links
Images
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention provides an A/O integrated bioreactor, which comprises a reaction tank body and an isolating device positioned in the reaction tank body, wherein the isolating device laterally isolates the reaction tank body into a denitrification reaction chamber and a nitrification reaction chamber, the bottoms of the denitrification reaction chamber and the nitrification reaction chamber are communicated; wherein the size of the relative volume between the denitrification reaction chamber and the nitrification reaction chamber can be changed by the isolation device. According to the A/O integrated bioreactor, the nitrification reaction chamber and the denitrification reaction chamber are arranged in the same reaction tank body, the relative volume of the nitrification reaction chamber and the denitrification reaction chamber is changed through the isolation device in the reaction tank body, and the occurrence degree of nitrification reaction and denitrification reaction is controlled, so that the fluctuation of ammonia nitrogen in a reaction system is effectively responded, and the effluent quality is optimized.
Description
Technical Field
The invention relates to the field of garbage treatment, in particular to an A/O integrated bioreactor.
Background
With the continuous expansion of the number and scale of cities, the requirement for municipal waste treatment is higher and higher. The sanitary landfill is a domestic garbage treatment technology widely adopted at home and abroad at present and is an indispensable domestic garbage final disposal technology. In the process of stacking and burying the domestic garbage, high-concentration organic sewage-garbage leachate is generated due to the processes of fermentation and decomposition of organic substances, rainwater leaching, underground water soaking and the like, wherein the high-concentration organic sewage-garbage leachate contains a large amount of pathogenic microorganisms and other complex toxic and harmful substances, the content and the generation amount of the high-concentration organic sewage-garbage leachate greatly change along with the lapse of seasons and burying years, and considerable difficulty is brought to the treatment of the leachate.
The biodegradation of nitrogenous substances such as protein in the landfill can generate ammonia Nitrogen (NH)3N), which has the characteristics of high concentration (up to thousands of mg/L), wide concentration variation range (from less than 100mg/L to thousands of mg/L in the whole landfill period), and the like. Too high NH3The N concentration not only increases the load of a percolate biochemical treatment system, but also leads the COD concentration in the percolate to be in a descending trend along with the extension of the landfill time, leads the C/N to be in a descending trend, and leads the C/N to appear after a certain landfill time<3, which causes serious imbalance of the nutrition ratio and affects the stable and effective operation of the biochemical treatment system.
Therefore, there is a need for a new A/O integrated bioreactor to solve the problems of the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The invention provides an A/O integrated bioreactor, which comprises:
the reaction tank comprises a reaction tank body and an isolating device positioned in the reaction tank body, wherein the isolating device laterally isolates the reaction tank body into a denitrification reaction chamber and a nitrification reaction chamber, the bottoms of which are communicated;
wherein the size of the relative volume between the denitrification reaction chamber and the nitrification reaction chamber can be changed by the isolation device.
Illustratively, the reaction vessel body is configured as a cylindrical vessel, and the isolation device is configured as a cylindrical device coaxially arranged with the reaction vessel body.
Illustratively, the denitrification reaction chamber is arranged as a cylindrical region with the isolation device as a side wall, and the nitrification reaction chamber is arranged as a region between the isolation device and the reaction tank body.
For example, the isolation device can expand and contract in the radial direction of the reaction tank body to change the relative volume between the denitrification reaction chamber and the nitrification reaction chamber.
The reactor comprises a reaction tank body, a separation device and a rail, wherein the separation device is arranged on the reaction tank body and connected with the rail, and the separation device can move on the rail so as to expand and contract in the radius direction of the reaction tank body.
Illustratively, the isolation device includes: the head end rod, the tail end rod, the fixing device and the isolating membrane;
the starting end and the terminating end of the isolating membrane are respectively connected with the head end rod and the tail end rod, the fixing device is fixedly connected with the tail end rod and used for extruding and fixing the isolating membrane on the head end rod and the tail end rod, and the isolating membrane is wound and unfolded through the movement of the head end rod and the tail end rod on the track, so that the denitrification reaction chambers with different volumes are formed.
Exemplarily, the system also comprises a water distribution system arranged at the top of the denitrification reaction chamber and used for providing leachate for the reaction tank body.
Exemplarily, the device also comprises a stirring device arranged at the top of the denitrification reaction chamber.
Illustratively, the agitation device comprises a submersible agitator.
The liquid in the nitrification reaction chamber is divided into a first part and a second part by the flow dividing device, the first part overflows out of the reaction tank body, and the second part flows back into the denitrification reaction chamber.
Illustratively, the flow diversion device includes a controller that controls flow of the first portion and the second portion.
Illustratively, the flow diversion device comprises a chevron-shaped diversion baffle, and the flow of the first portion and the second portion is controlled by adjusting the diversion baffle.
Illustratively, the device also comprises an aeration device arranged at the bottom of the reaction tank body, wherein the aeration device can be selectively opened according to the distribution of the isolation device, so that the aeration device positioned in the lower area of the nitrification reaction chamber is opened, and the aeration device positioned in the area except the lower area of the nitrification reaction chamber is closed.
Exemplarily, the reactor also comprises a sludge discharge device arranged at the bottom of the side wall of the reaction tank body.
According to the A/O integrated bioreactor, the nitrification reaction chamber and the denitrification reaction chamber are arranged in the same reaction tank body, and the relative volume of the nitrification reaction chamber and the denitrification reaction chamber is changed through the isolation device arranged in the reaction tank body, so that the occurrence degree of nitrification reaction and denitrification reaction is controlled by changing the relative volume of the nitrification reaction chamber and the denitrification reaction chamber according to the fluctuation of the ammonia nitrogen concentration in percolate, the adverse effect on the stable operation of a system caused by the imbalance of the ammonia nitrogen concentration is avoided, and the quality of outlet water is further optimized. Meanwhile, the A/O integrated bioreactor has the advantages of small occupied area, simple operation and low investment and operation cost.
Drawings
The following drawings of the invention are included to provide a further understanding of the invention. The drawings illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.
In the drawings:
FIG. 1 is a schematic diagram of an A/O integrated bioreactor according to an embodiment of the present invention;
FIG. 2 is a top view of an A/O integrated bioreactor according to FIG. 1.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In order to provide a thorough understanding of the present invention, a detailed description will be provided in the following description to illustrate the A/O integrated bioreactor of the present invention. It will be apparent that the practice of the invention is not limited to the specific details known to those skilled in the art of waste incineration disposal. The following detailed description of the preferred embodiments of the invention, however, the invention is capable of other embodiments in addition to those detailed.
It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Exemplary embodiments according to the present invention will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art. In the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same elements are denoted by the same reference numerals, and thus the description thereof will be omitted.
The biodegradation of nitrogenous substances such as protein in the landfill can generate ammonia Nitrogen (NH)3N), which has the characteristics of high concentration (up to thousands of mg/L), wide concentration variation range (from less than 100mg/L to thousands of mg/L in the whole landfill period), and the like. Too high NH3The N concentration not only increases the load of a percolate biochemical treatment system, but also leads the COD concentration in the percolate to be in a descending trend along with the extension of the landfill time, leads the C/N to be in a descending trend, and leads the C/N to appear after a certain landfill time<3, which causes serious imbalance of the nutrition ratio and affects the stable and effective operation of the biochemical treatment system.
In order to solve the problems in the prior art, the present invention provides an a/O integrated bioreactor comprising:
the reaction tank comprises a reaction tank body and an isolating device positioned in the reaction tank body, wherein the isolating device laterally isolates the reaction tank body into a denitrification reaction chamber and a nitrification reaction chamber, the bottoms of which are communicated;
wherein the size of the relative volume between the denitrification reaction chamber and the nitrification reaction chamber can be changed by the isolation device.
The A/O-integrated bioreactor of the present invention is schematically described with reference to FIGS. 1 and 2, in which FIG. 1 is a schematic structural view of an A/O-integrated bioreactor according to an embodiment of the present invention; FIG. 2 is a top view of an A/O integrated bioreactor according to FIG. 1.
Referring to fig. 1, an a/O integrated bioreactor according to the present invention comprises a reaction tank 1 and an isolation device 2 located in the reaction tank 1, wherein the isolation device laterally isolates the reaction tank 1 into a denitrification reaction chamber 101 and a nitrification reaction chamber 102 which are communicated at the bottom; and the size of the relative volume between the denitrification reaction chamber 101 and the nitrification reaction chamber 102 can be varied by means of the separation device 2. The nitrification reaction chamber and the denitrification reaction chamber are arranged to be reaction chambers communicated with each other at the bottoms in the same reaction tank body, and in the reaction process, leachate is subjected to denitrification reaction in the denitrification reaction chamber and then directly flows into the nitrification reaction chamber from the bottom of the reaction tank for nitrification reaction, so that the integration level of a reactor system is effectively increased, and the occupied area, the investment and the operation cost of the reactor are reduced. Meanwhile, the relative volume of the nitrification reaction chamber and the denitrification reaction chamber is changed by adopting the isolation device, so that the proceeding degree of the nitrification reaction and the denitrification reaction can be controlled by controlling the reaction volume, and the fluctuation of the ammonia nitrogen concentration in the percolate can be coped with. When the ammonia nitrogen concentration in the leachate fluctuates, the occurrence degree of the nitrification reaction and the denitrification reaction is controlled by changing the relative volume of the nitrification reaction chamber and the denitrification reaction chamber, so that the adverse effect on the stable operation of the system caused by the imbalance of the ammonia nitrogen concentration is avoided, and the quality of the effluent is further optimized.
Illustratively, as shown in fig. 1, the reaction tank 1 is provided as a cylindrical vessel, and the isolation device 2 is provided as a cylindrical isolation wall coaxially provided with the reaction tank. Referring to FIG. 2, there is shown a top view of an A/O integrated bioreactor of FIG. 1, wherein a cylindrical reaction tank 1 is coaxially arranged with a cylindrical spacer 2. Referring to fig. 1 and 2, the isolation device 2 isolates the reaction tank body 1 into a cylindrical area with the isolation device 2 as a side wall and an area between the isolation device 2 and the reaction tank body 1, wherein the cylindrical area with the isolation device 2 as a side wall is a denitrification reaction chamber 101, and the area between the isolation device 2 and the reaction tank body 1 is a nitrification reaction chamber 102. It should be understood that the embodiment that the cylindrical region with the partition device as the side wall is provided as the denitrification reaction chamber, and the region between the partition device and the reaction tank body is provided as the nitrification reaction chamber is only an example, and the person skilled in the art can arrange the denitrification reaction chamber and the nitrification reaction chamber in the reaction tank body according to the actual needs.
It is to be understood that the present embodiment in which the reaction tank is provided as a cylinder and the partition means is provided as a cylindrical partition wall provided coaxially with the reaction tank is merely exemplary, and any shape of the reaction tank and the partition means, which can change the relative volume of the denitrification reaction chamber and the nitrification reaction chamber by the partition means, is suitable for the present invention.
Illustratively, as shown in fig. 2, the isolation device 2 can expand and contract in the radial direction of the reaction tank body 1, thereby changing the relative volume between the denitrification reaction chamber 101 and the nitrification reaction chamber 102.
Illustratively, with continuing reference to fig. 1 and 2, the a/O integrated bioreactor further comprises a rail 3 disposed on the reaction tank 1 and connected to the isolation device 2, wherein the isolation device 2 is movable on the rail 3 so as to be expandable and contractible in a radial direction of the reaction tank 1. Illustratively, the tracks 3 are provided as tracks having different radii, and the isolating device changes the isolating radius of the isolating device by moving on the tracks having different radii.
In one embodiment of the present invention, the isolation device includes a head end rod, a tail end rod, a fixing device and an isolation film, the start end and the stop end of the isolation film are respectively connected with the head end rod and the tail end rod, the fixing device is fixedly connected with the tail end rod for pressing and fixing the isolation film on the head end rod and the tail end rod, and the isolation film can be wound and unfolded by the movement of the head end rod and the tail end rod on the track, so as to change the volume of the denitrification reaction chamber. Further, the barrier film is an HDPE film. The starting end and the terminating end of the HDPE film are respectively connected with the head end rod and the tail end rod, the tail end rod is fixed at the fixing device and connected with the power device, the HDPE film can be wound and collected and released by rotating the tail end rod, the head end rod and the tail end rod can move along tracks with different radiuses in a track system, the HDPE film can be gradually unfolded by the movement of the head end rod along the tracks, the HDPE film is completely unfolded when the head end rod moves to the fixing device, and finally the head end rod and the tail end rod are extruded and fixed through the fixing device so as to close the isolation film.
After the HDPE membrane is wound and collected, the fixing device can move along the radius direction of the reaction tank body, the isolating device can be placed on tracks with different radii in the track system by moving the fixing device, and then the HDPE membrane is unfolded, so that the relative volume between the denitrification reaction chamber and the nitrification reaction chamber of the reaction tank body is adjusted.
Illustratively, referring to FIG. 1, the A/O integrated bioreactor further comprises a water distribution system 4 disposed at the top of the denitrification reaction chamber 101. The leachate enters the denitrification reaction chamber 101 through the water distribution system 4, then undergoes denitrification reaction, the reacted leachate flows to the lower part of the denitrification reaction chamber 101 (as shown by an arrow a in fig. 1) along with the progress of denitrification reaction, flows into the nitrification reaction chamber 102 communicated with the bottom of the denitrification reaction chamber 101 through the bottom, undergoes nitrification reaction in the nitrification reaction chamber 102, and flows upwards from the bottom of the nitrification reaction chamber 102 (as shown by an arrow B in fig. 2) along with the progress of nitrification reaction, so that a circulating reaction system in the reactor is formed, so that the leachate undergoes denitrification reaction and nitrification reaction, and finally forms effluent.
Illustratively, as shown in fig. 1, a stirring device 5 is further arranged at the top of the denitrification reaction chamber 101. The stirring device uniformly mixes the percolate entering from the water distribution system 4 with the muddy water mixed liquid in the denitrification reaction chamber 101, so that the reaction efficiency of denitrification reaction is improved; meanwhile, the stirring device 5 also provides a downward flowing driving force for the reacted percolate, and further promotes the circulation process in the reactor. The stirring device 5 is configured as a submerged stirrer, for example.
Illustratively, as shown in fig. 1, the a/O integrated bioreactor further comprises a flow dividing device 6 disposed at the top of the nitrification reaction chamber 102, wherein the flow dividing device 6 divides the liquid in the nitrification reaction chamber 102 into a first part and a second part, the first part overflows out of the reaction tank body 1, and the second part flows back into the denitrification reaction chamber 101. The liquid in the nitration reaction chamber 102 is divided into two parts, one part overflows out of the reaction tank body 1 as effluent, the other part enters the denitrification reaction chamber 101 as nitration reflux, and the nitration reflux and the leachate are mixed and then complete denitrification reaction in the denitrification reaction chamber 101, so that the leachate inflow water can be diluted, the denitrification reaction rate is increased, and the denitrification capability of the reactor is improved.
Illustratively, the flow dividing device 6 further comprises a controller for controlling the flow of the first portion and the second portion. The amount of the nitrification reflux liquid entering the denitrification reaction chamber is further accurately controlled by controlling the flow of the first part and the second part, the efficiency of denitrification reaction is further improved, and the denitrification capacity of the reactor is improved.
Illustratively, the flow dividing device comprises a flow dividing partition plate, and the flow dividing partition plate is arranged in a herringbone shape. The flow rates of the first and second portions are controlled by adjusting a dividing baffle.
Illustratively, referring to fig. 1, the a/O integrated bioreactor further comprises an aeration device 8 disposed at the bottom of the reaction tank, wherein the aeration device 8 can be selectively opened according to the distribution of the isolation device 2, so that the aeration device located in the lower region of the nitrification reaction chamber 102 is opened, and the aeration device located in the region except the lower region of the nitrification reaction chamber 102 is closed.
In an embodiment of the present invention, the reaction tank 1 is arranged cylindrically, the isolation device 2 is arranged coaxially with the reaction tank 1, the aeration devices 8 are arranged at the bottom of the reaction tank 1, and when the distribution of the isolation device 2 is changed to change the relative volumes of the denitrification reaction chamber 101 and the nitrification reaction chamber 102, the aeration devices 8 can be selectively opened by correspondingly opening the aeration devices below the nitrification reaction chamber 102 and outside the radius range of the isolation device 2, and closing the aeration devices 8 below the denitrification reaction chamber 101 and within the radius range of the isolation device 2. The aeration devices 8 are only distributed in the lower area of the nitrification reaction chamber 102, and the microorganisms can complete organic matter degradation and nitrification reaction in the nitrification reaction chamber by carrying out aeration, oxygenation and sufficient mixing on the mud-water mixture in the nitrification reaction chamber 102.
According to the A/O integrated bioreactor of the embodiment, under the condition of no external power equipment, the sludge-water mixed liquor in the reaction tank body continuously circulates between the denitrification reaction chamber and the nitrification reaction chamber through the stirring system, the aeration system and the flow dividing system, and continuously experiences the aerobic environment and the anaerobic environment, so that the nitrification and denitrification reactions are fully completed, a self-circulation system is formed, and the effluent quality is improved. It should be understood that the configuration of the diversion system, the stirring device and the aeration system in the present embodiment is only exemplary, and those skilled in the art can select the configuration according to the needs, which does not limit the scope of the present invention, and any A/O integrated bioreactor having the isolation device and the reaction tank according to the present invention is suitable for the present invention.
Illustratively, as shown in fig. 1, the a/O integrated bioreactor further comprises a sludge discharge device 9 disposed at the bottom of the sidewall of the reaction tank 1 for discharging excess sludge in the form of sludge-water mixture for convenient operation.
The present invention has been illustrated by the above embodiments, but it should be understood that the above embodiments are for illustrative and descriptive purposes only and are not intended to limit the invention to the scope of the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, which variations and modifications are within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (12)
1. An A/O integrated bioreactor, comprising:
the retort body with be located internal isolating device of retort, isolating device will the retort body is kept apart into the denitrification reaction chamber and the nitration reaction chamber of bottom intercommunication on horizontal, isolating device includes: the denitrification reactor comprises a head end rod, a tail end rod, a fixing device and an isolating membrane, wherein the starting end and the terminating end of the isolating membrane are respectively connected with the head end rod and the tail end rod, the fixing device is fixedly connected with the tail end rod and is used for extruding and fixing the isolating membrane on the head end rod and the tail end rod, and the isolating membrane is wound and unfolded through the movement of the head end rod and the tail end rod on a track, so that the denitrification reaction chambers with different volumes are formed;
wherein the size of the relative volume between the denitrification reaction chamber and the nitrification reaction chamber can be changed by the isolation device;
still including setting up the diverging device at nitration room top, diverging device will the liquid in the nitration room is divided into first portion and second portion, first portion overflow goes out the retort body, the second portion flows back into the denitrification room.
2. The a/O integrated bioreactor of claim 1, wherein the reaction vessel is configured as a cylindrical vessel and the isolation device is configured as a cylindrical device disposed coaxially with the reaction vessel.
3. The A/O integrated bioreactor according to claim 2, wherein the denitrification reaction chamber is provided as a cylindrical region with the isolation device as a side wall, and the nitrification reaction chamber is provided as a region between the isolation device and the reaction tank body.
4. The A/O integrated bioreactor according to claim 2, wherein the isolation device is capable of expanding and contracting in a radial direction of the reaction tank body to change the size of the relative volume between the denitrification reaction chamber and the nitrification reaction chamber.
5. The A/O integrated bioreactor according to claim 4, further comprising a rail provided on the reaction tank body and connected to the separation means, wherein the separation means is movable on the rail so as to be expandable and contractible in a radial direction of the reaction tank body.
6. The a/O integrated bioreactor of claim 1, further comprising a water distribution system disposed at the top of the denitrification chamber for providing leachate to the reaction tank.
7. The a/O-integrated bioreactor according to claim 1, further comprising a stirring device disposed at the top of the denitrification reaction chamber.
8. The a/O integrated bioreactor of claim 7, wherein said agitation means comprises a submerged agitator.
9. The a/O-integrated bioreactor of claim 1, wherein the flow diversion device comprises a controller that controls the flow of the first portion and the second portion.
10. The a/O integrated bioreactor of claim 1, wherein said flow dividing means comprises a chevron-shaped flow dividing baffle, and wherein the flow of said first portion and said second portion is controlled by adjusting said flow dividing baffle.
11. The A/O integrated bioreactor according to claim 1, further comprising an aeration device provided at the bottom of the reaction tank body, wherein the aeration device is selectively opened according to the distribution of the isolation device, so that the aeration device located in the lower region of the nitrification reaction chamber is opened and the aeration device located in the region other than the lower region of the nitrification reaction chamber is closed.
12. The a/O integrated bioreactor of claim 1, further comprising a sludge discharge device disposed at the bottom of the sidewall of the reactor tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810510855.7A CN109775853B (en) | 2018-05-24 | 2018-05-24 | A/O integrated bioreactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810510855.7A CN109775853B (en) | 2018-05-24 | 2018-05-24 | A/O integrated bioreactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109775853A CN109775853A (en) | 2019-05-21 |
| CN109775853B true CN109775853B (en) | 2022-02-11 |
Family
ID=66495980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810510855.7A Active CN109775853B (en) | 2018-05-24 | 2018-05-24 | A/O integrated bioreactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109775853B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116571189B (en) * | 2023-07-07 | 2024-04-02 | 江苏长青农化南通有限公司 | Preparation process of 5- (2-chloro-4- (trifluoromethyl) phenoxy) -2-nitrobenzoic acid |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100980029B1 (en) * | 2009-05-04 | 2010-09-07 | (주)씨스이엔지 | The advanced wastewater treatment apparatus with movable dividers |
| WO2011094768A1 (en) * | 2010-02-01 | 2011-08-04 | Van Cach Nguyen | Adjustable tank incorporated five functions for biological treatment of waste water |
| CN202658009U (en) * | 2012-05-31 | 2013-01-09 | 中国石油化工股份有限公司 | Integrated device for treating wastewater through contacting oxidation |
| CN102897917B (en) * | 2012-10-31 | 2014-08-13 | 华北水利水电学院 | Domestic sewage non-backflow denitrification treatment device and method |
| CN105540842A (en) * | 2015-12-16 | 2016-05-04 | 南昌大学 | AO reaction MBR integrated device |
-
2018
- 2018-05-24 CN CN201810510855.7A patent/CN109775853B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109775853A (en) | 2019-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2002307836B2 (en) | Methods and apparatus for biological treatment of waste waters | |
| CN203866098U (en) | High-efficiency anaerobic and aerobic integrated reactor | |
| CN106115915A (en) | Low C/N is than the apparatus and method of city domestic sewage short-cut denitrification/short distance nitration Anammox biomembrane process | |
| CN205258127U (en) | Circulatory flow loop type multistage sludge -biofilm intergrowth combined type bioreactor | |
| CN104944689A (en) | Device for treating high ammonia-nitrogen wastewater and method thereof | |
| CN104045154B (en) | Sewage biological treatment system based on Biological Contact Oxidation Process | |
| CN106145506A (en) | The apparatus and method of coal chemical industrial waste water Anammox coupling heterotrophic denitrification denitrogenation | |
| CN106315853A (en) | Oxidation ditch membrane bioreactor, wastewater treatment process and application thereof | |
| CN104724827A (en) | Integrated sewage nitrogen removal and phosphorous removal reactor and process method thereof | |
| CN107445295A (en) | Improve oxidation ditch circulation dynode system | |
| CN103172176A (en) | Technology for treating chemical wastewater by immobilized microorganism and zigzag packed bed and equipment thereof | |
| CN109775853B (en) | A/O integrated bioreactor | |
| CN109987699A (en) | A method of strengthening air lift pulling flow type oxidation ditch effect with suspending carrier | |
| CN106396105A (en) | Multi-mode reaction tank for sewage treatment | |
| CN104445617B (en) | A kind of complex biological strengthened denitrification oxidation ditch system | |
| CN215288157U (en) | Rural sewage treatment plant of integration | |
| CN104496021A (en) | Biologically enhanced denitrification structure suitable for composite oxidation ditch | |
| CN209890336U (en) | Device for enhancing gas stripping plug flow type oxidation ditch effect by using suspension carrier | |
| CN206298425U (en) | A kind of multi-mode reaction tank for sewage disposal | |
| CN206142913U (en) | Oxidation ditch membrane bioreactor | |
| CN110950425A (en) | Continuous flow SBR domestic sewage treatment method and device | |
| CN207175582U (en) | Improve oxidation ditch circulation dynode system | |
| CN219507753U (en) | Integrated LBBR micro-reactor | |
| CN213475518U (en) | Integrated telescopic MBR (membrane bioreactor) integrated equipment | |
| WO2020029264A1 (en) | Integrated sewage treatment method of vertically partitioned anaerobic-aerobic-sludge-water separation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |