CN221117170U - MOBR micro-oxygen bioreactor system - Google Patents
MOBR micro-oxygen bioreactor system Download PDFInfo
- Publication number
- CN221117170U CN221117170U CN202322653960.5U CN202322653960U CN221117170U CN 221117170 U CN221117170 U CN 221117170U CN 202322653960 U CN202322653960 U CN 202322653960U CN 221117170 U CN221117170 U CN 221117170U
- Authority
- CN
- China
- Prior art keywords
- anaerobic
- reactor
- oxygen
- water inlet
- water
- 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
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 106
- 239000001301 oxygen Substances 0.000 title claims abstract description 106
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 84
- 239000002351 wastewater Substances 0.000 claims abstract description 25
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 28
- 230000000813 microbial effect Effects 0.000 claims 6
- 230000005764 inhibitory process Effects 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 244000005700 microbiome Species 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000696 methanogenic effect Effects 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 241000205011 Methanothrix Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The utility model relates to a MOBR micro-aerobic bioreactor system, which comprises an anaerobic main reactor, an oxygen supply assembly and a water inlet assembly, wherein the oxygen supply assembly comprises an anaerobic auxiliary reactor, a bubble generator and an oxygen inlet piece, the output end of the bubble generator is communicated with the anaerobic auxiliary reactor and is used for conveying bubble dissolved air water into the anaerobic auxiliary reactor, the oxygen inlet piece is communicated with the anaerobic auxiliary reactor and the anaerobic main reactor and is used for conveying micro-oxygen water in the anaerobic auxiliary reactor into the anaerobic main reactor, and the water inlet assembly is communicated with the anaerobic main reactor and the anaerobic auxiliary reactor and is used for introducing wastewater into the anaerobic main reactor and the anaerobic auxiliary reactor; the problems that the direct oxygen is difficult to uniformly diffuse to each position in the anaerobic reactor, the concentration of the oxygen is difficult to control and the phenomenon of overhigh local oxygen concentration exists are solved.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a MOBR micro-oxygen bioreactor system.
Background
Methane can be produced by introducing wastewater into a micro-oxygen reactor, and the micro-oxygen reactor is based on an anaerobic reactor. Specifically, in order to increase the methane generation rate, a trace amount of oxygen is generally introduced into the anaerobic reactor, and the trace amount of oxygen can be used as an electron acceptor to capture/split excessive electrons generated by perishable organic matters in the fermentation process, so that acid inhibition is relieved, and methane generation is promoted, namely, the micro-oxygen reactor formed on the basis of the anaerobic reactor.
At present, most of the oxygen is directly introduced into an anaerobic reactor, so that the dissolved oxygen in the anaerobic reactor is controlled at about 0.1mg/L, and the high-efficiency output of methane in a reaction system is ensured.
However, the direct oxygen is difficult to uniformly diffuse to each position in the anaerobic reactor, the concentration of the oxygen is difficult to control, and the phenomenon of overhigh local oxygen concentration exists.
Disclosure of utility model
In view of the foregoing, it is desirable to provide a MOBR micro-aerobic bioreactor system to solve the problems that the direct oxygen is difficult to uniformly diffuse to each position in the anaerobic reactor, the oxygen concentration is difficult to control, and the local oxygen concentration is too high.
The utility model provides a MOBR micro-aerobic biological reactor system, which comprises an anaerobic main reactor, an oxygen supply assembly and a water inlet assembly, wherein the oxygen supply assembly comprises an anaerobic auxiliary reactor, a bubble generator and an oxygen inlet piece, the output end of the bubble generator is communicated with the anaerobic auxiliary reactor and is used for conveying bubble dissolved air water into the anaerobic auxiliary reactor, the oxygen inlet piece is communicated with the anaerobic auxiliary reactor and the anaerobic main reactor and is used for conveying micro-oxygen water in the anaerobic auxiliary reactor into the anaerobic main reactor, and the water inlet assembly is communicated with the anaerobic main reactor and the anaerobic auxiliary reactor and is used for guiding wastewater into the anaerobic main reactor and the anaerobic auxiliary reactor.
Further, a main three-phase separator is arranged at the top of the anaerobic main reactor and used for guiding out methane and wastewater at the top of the anaerobic main reactor, and an auxiliary three-phase separator is arranged at the top of the anaerobic auxiliary reactor and used for guiding out methane and wastewater at the top of the anaerobic auxiliary reactor.
Further, the volume of the anaerobic secondary reactor is smaller than the volume of the anaerobic main reactor.
Further, the output end of the bubble generator is communicated with the bottom of the anaerobic side reactor.
Further, the oxygen inlet piece comprises an oxygen inlet pipe and an oxygen inlet pump, one end of the oxygen inlet pump is communicated with the anaerobic side reactor, and the other end of the oxygen inlet pump is communicated with the anaerobic main reactor through the oxygen inlet pipe.
Further, the oxygen inlet piece is communicated with the bottom of the anaerobic secondary reactor and the bottom of the anaerobic main reactor.
Further, the water inlet component is communicated with the bottom of the anaerobic main reactor and the bottom of the anaerobic auxiliary reactor.
Further, the bottom of the anaerobic main reactor is of an inverted cone structure, the water inlet component is provided with a first water inlet end and a second water inlet end, the first water inlet end of the water inlet component is communicated with the anaerobic main reactor, the first water inlet end is arranged along the tangential direction of the conical inner wall of the anaerobic main reactor, and the second water inlet end of the water inlet component is communicated with the anaerobic side reactor.
Further, the water inlet assembly comprises a collecting tank and a water inlet pump, wherein the collecting tank is internally filled with wastewater, one end of the water inlet pump is communicated with the collecting tank, and the other end of the water inlet pump is communicated with the anaerobic main reactor and the anaerobic auxiliary reactor.
Further, the water inlet assembly further comprises a water inlet pipe group, the water inlet pipe group comprises an annular pipe and a plurality of water distribution pipes, the annular pipe is sleeved at the bottom of the anaerobic main reactor, the water distribution pipes are uniformly distributed along the circumferential direction of the annular pipe, one end of each water distribution pipe is communicated with the annular pipe, the other end of each water distribution pipe is communicated with the anaerobic main reactor, and the water inlet pump is communicated with the anaerobic main reactor sequentially through the annular pipe and the water distribution pipes.
Compared with the prior art, the waste water is led into the anaerobic main reactor and the anaerobic side reactor through the water inlet component, the anaerobic main reactor is a main bioreactor, when the oxygen concentration in the waste water is too low, the perishable organic matters in the waste water can generate excessive electrons in the fermentation process, the oxygen content in the anaerobic main reactor needs to be increased, the bubble dissolved air water is conveyed into the anaerobic side reactor through the bubble generator, the oxygen in the bubble is fully mixed in the anaerobic side reactor and forms micro-oxygen water with the required oxygen concentration, the micro-oxygen water in the anaerobic side reactor is conveyed into the anaerobic main reactor through the oxygen conveying component, the micro-oxygen water is easier to diffuse than the oxygen in the anaerobic main reactor, the oxygen content in the anaerobic main reactor is convenient to accurately control, so that the excessive electrons in the anaerobic main reactor are effectively captured/split, the acid inhibition is relieved, and the methane output is promoted.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a MOBR micro-aerobic bioreactor system according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the flow of water in an anaerobic main reactor in a MOBR micro-aerobic bioreactor system according to an embodiment of the present utility model.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
The utility model provides a MOBR micro-aerobic bioreactor system, which comprises an anaerobic main reactor 100, an oxygen supply assembly 200 and a water inlet assembly 300, wherein the oxygen supply assembly 200 comprises an anaerobic auxiliary reactor 210, a bubble generator 220 and an oxygen inlet piece 230, the output end of the bubble generator 220 is communicated with the anaerobic auxiliary reactor 210 and is used for conveying bubble dissolved air water into the anaerobic auxiliary reactor 210, the oxygen inlet piece 230 is communicated with the anaerobic auxiliary reactor 210 and the anaerobic main reactor 100 and is used for conveying micro-oxygen water in the anaerobic auxiliary reactor 210 into the anaerobic main reactor 100, and the water inlet assembly 300 is communicated with the anaerobic main reactor 100 and the anaerobic auxiliary reactor 210 and is used for guiding waste water into the anaerobic main reactor 100 and the anaerobic auxiliary reactor 210.
In practice, the wastewater is introduced into the anaerobic main reactor 100 and the anaerobic auxiliary reactor 210 through the water inlet assembly 300, the anaerobic main reactor 100 is a main bioreactor, when the oxygen concentration in the wastewater is too low, the excessive electrons generated in the fermentation process of perishable organic matters in the wastewater are needed to be increased, the bubble dissolved air is conveyed to the anaerobic auxiliary reactor 210 through the bubble generator 220, the oxygen in the bubbles is fully mixed in the anaerobic auxiliary reactor 210 and forms micro-oxygen water with the required oxygen concentration, the micro-oxygen water in the anaerobic auxiliary reactor 210 is conveyed to the anaerobic main reactor 100 through the oxygen conveying member, the micro-oxygen water is easier to diffuse in the anaerobic main reactor 100 than the oxygen, so that the oxygen content in the anaerobic main reactor 100 is convenient to accurately control, the excessive electrons in the anaerobic main reactor 100 are effectively captured/split, the acid inhibition is relieved, and the methane output is promoted.
The anaerobic main reactor 100 and the anaerobic sub-reactor 210 in the present embodiment are structures that can be conceived by those skilled in the art to perform anaerobic biological reaction on wastewater.
In one embodiment, the top of the anaerobic main reactor 100 is provided with a main three-phase separator 110 for leading out methane and wastewater at the top of the anaerobic main reactor 100, and the top of the anaerobic secondary reactor 210 is provided with a secondary three-phase separator 211 for leading out methane and wastewater at the top of the anaerobic secondary reactor 210.
Since the anaerobic main reactor 100 is the main bioreactor of the system, the anaerobic sub-reactor 210 plays a transitional role in oxygen supply to the anaerobic main reactor 100, and thus the volume of the anaerobic sub-reactor 210 is smaller than that of the anaerobic main reactor 100. In one embodiment, the volume of the anaerobic secondary reactor 210 may be one-fourth of the volume of the anaerobic main reactor 100, however, in other embodiments, the volume ratio between the anaerobic secondary reactor 210 and the anaerobic main reactor 100 may take other values, which are not limited by the embodiments of the present utility model.
The oxygen supply assembly 200 in this embodiment supplies oxygen to the anaerobic main reactor 100 to capture/shunt excess electrons in the anaerobic main reactor 100. Specifically, the oxygen supply assembly 200 includes an anaerobic secondary reactor 210, a bubble generator 220, and an oxygen inlet member 230, wherein an output end of the bubble generator 220 is communicated with the anaerobic secondary reactor 210 for delivering bubble dissolved air water into the anaerobic secondary reactor 210, and the oxygen inlet member 230 is communicated with the anaerobic secondary reactor 210 and the anaerobic main reactor 100 for delivering micro-oxygen water in the anaerobic secondary reactor 210 into the anaerobic main reactor 100.
By performing aeration treatment on the anaerobic side reactor 210, enrichment of methanogenic species (Methanosaeta) is facilitated, inducing a shift of the methanogenic pathway to acetic acid-type methanogenesis. Meanwhile, after bubbles in the bubble dissolved air water are broken, oxygen in the bubble dissolved air water is dissolved in the wastewater in the anaerobic secondary reactor 210 to form micro-oxygen water, and the micro-oxygen water can be introduced into the anaerobic main reactor 100 through the oxygen delivery piece, so that oxygen can be prevented from directly acting on microorganisms in the anaerobic main reactor 100 to inhibit the microorganisms, the growth rate and the treatment activity of the microorganisms are improved, and the treatment capacity of a biological system is improved.
In one embodiment, the output of the bubble generator 220 is in communication with the bottom of the anaerobic secondary reactor 210. The bubbles in the entering anaerobic reactor move upward until they are broken, and by disposing the inlet port of the bubbles at the bottom of the anaerobic sub-reactor 210, the bubbles are contacted with sludge at the bottom of the anaerobic sub-reactor 210 so that the oxygen in the bubbles is dissolved into the water due to the breaking of the bubbles.
In one embodiment, the oxygen inlet 230 includes an oxygen inlet pipe 231 and an oxygen inlet pump 232, one end of the oxygen inlet pump 232 communicates with the anaerobic secondary reactor 210, and the other end of the oxygen inlet pump 232 communicates with the anaerobic main reactor 100 via the oxygen inlet pipe 231. The oxygen inlet pump 232 may be a circulation pump for delivering micro oxygen water.
In one embodiment, the anaerobic member 230 communicates with the bottom of the anaerobic secondary reactor 210 and the bottom of the anaerobic secondary reactor 100, the water inlet assembly 300 communicates with the bottom of the anaerobic secondary reactor 210 and the bottom of the anaerobic secondary reactor 100, the bottom of the anaerobic secondary reactor 100 has an inverted cone structure, the water inlet assembly 300 has a first water inlet end and a second water inlet end, the first water inlet end of the water inlet assembly 300 communicates with the anaerobic secondary reactor 100, the first water inlet end is disposed along the tangential direction of the tapered inner wall of the anaerobic secondary reactor 100, and the second water inlet end of the water inlet assembly 300 communicates with the anaerobic secondary reactor 210, so that a spiral vortex as shown in fig. 2 can be formed at the top of the anaerobic secondary reactor 100, which is beneficial for water distribution and calcified sludge discharge.
In one embodiment, the water inlet assembly 300 includes a collection tank 310 and a water inlet pump 320, wherein the collection tank 310 contains wastewater, one end of the water inlet pump 320 is communicated with the collection tank 310, and the other end of the water inlet pump 320 is communicated with the anaerobic main reactor 100 and the anaerobic auxiliary reactor 210.
To make the water distribution to the anaerobic main reactor 100 more uniform, in one embodiment, the water inlet assembly 300 further includes a water inlet pipe group 330, the water inlet pipe group 330 includes an annular pipe 331 and a plurality of water distribution pipes 332, the annular pipe 331 is sleeved at the bottom of the anaerobic main reactor 100, the plurality of water distribution pipes 332 are uniformly arranged along the circumferential direction of the annular pipe 331, one end of the water distribution pipe 332 is communicated with the annular pipe 331, the other end of the water distribution pipe 332 is communicated with the anaerobic main reactor 100, and the water inlet pump 320 is sequentially communicated with the anaerobic main reactor 100 via the annular pipe 331 and the plurality of water distribution pipes 332. The plurality of water distribution pipes 332 form a water distribution structure, and may be sequentially provided in a vertical direction, thereby increasing the water distribution density of the lower portion.
Compared with the prior art: the wastewater is introduced into the anaerobic main reactor 100 and the anaerobic auxiliary reactor 210 through the water inlet assembly 300, the anaerobic main reactor 100 is a main bioreactor, when the oxygen concentration in the wastewater is too low, the perishable organic matters in the wastewater can generate excessive electrons in the fermentation process, the oxygen content in the anaerobic main reactor 100 needs to be increased, the bubble dissolved water is conveyed into the anaerobic auxiliary reactor 210 through the bubble generator 220, the oxygen in the bubbles is fully mixed in the anaerobic auxiliary reactor 210 and forms micro-oxygen water with the required oxygen concentration, the micro-oxygen water in the anaerobic auxiliary reactor 210 is conveyed into the anaerobic main reactor 100 through the oxygen conveying member, the micro-oxygen water is easier to diffuse than the oxygen in the anaerobic main reactor 100, so that the oxygen content in the anaerobic main reactor 100 is convenient to precisely control, the excessive electrons in the anaerobic main reactor 100 are effectively captured/shunted, the acid inhibition is relieved, the methane output is promoted, meanwhile, the inhibition effect of the oxygen on the microorganisms caused by the oxygen can be avoided, and the oxygen cannot enter the anaerobic main reactor 100, and the purity of the methane can not be generated.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. A MOBR micro-aerobic bioreactor system, which is characterized by comprising an anaerobic main reactor, an oxygen supply assembly and a water inlet assembly;
The oxygen supply assembly comprises an anaerobic auxiliary reactor, a bubble generator and an oxygen inlet piece, wherein the output end of the bubble generator is communicated with the anaerobic auxiliary reactor and used for conveying bubble dissolved air water into the anaerobic auxiliary reactor, and the oxygen inlet piece is communicated with the anaerobic auxiliary reactor and the anaerobic main reactor and used for conveying micro-oxygen water in the anaerobic auxiliary reactor into the anaerobic main reactor;
The water inlet assembly is communicated with the anaerobic main reactor and the anaerobic auxiliary reactor and is used for guiding wastewater into the anaerobic main reactor and the anaerobic auxiliary reactor.
2. The MOBR micro-aerobic bioreactor system according to claim 1, wherein a main three-phase separator is arranged at the top of the anaerobic main reactor for guiding out methane and wastewater at the top of the anaerobic main reactor, and a secondary three-phase separator is arranged at the top of the anaerobic secondary reactor for guiding out methane and wastewater at the top of the anaerobic secondary reactor.
3. The MOBR microbial reactor system of claim 1, wherein the anaerobic side reactor has a volume that is less than the volume of the anaerobic main reactor.
4. The MOBR microbial reactor system according to claim 1, wherein the output of the bubble generator is in communication with the bottom of the anaerobic side reactor.
5. The MOBR micro-aerobic bioreactor system of claim 1, wherein the oxygen inlet includes an oxygen inlet pipe and an oxygen inlet pump, one end of the oxygen inlet pump is in communication with the anaerobic secondary reactor, and the other end of the oxygen inlet pump is in communication with the anaerobic primary reactor via the oxygen inlet pipe.
6. The MOBR microbial reactor system of claim 1, wherein the oxygen inlet communicates with the bottom of the anaerobic secondary reactor and the bottom of the anaerobic primary reactor.
7. The MOBR microbial reactor system of claim 1, wherein the water inlet assembly is in communication with a bottom of the anaerobic main reactor and a bottom of the anaerobic side reactor.
8. The MOBR microbial reactor system according to claim 1, wherein the bottom of the anaerobic main reactor is in an inverted cone structure, the water inlet assembly has a first water inlet end and a second water inlet end, the first water inlet end of the water inlet assembly is in communication with the anaerobic main reactor, the first water inlet end is disposed along a tangential direction of a tapered inner wall of the anaerobic main reactor, and the second water inlet end of the water inlet assembly is in communication with the anaerobic side reactor.
9. The MOBR microbial reactor system according to claim 1, wherein the water inlet assembly includes a collection tank and a water inlet pump, the collection tank contains wastewater, one end of the water inlet pump is communicated with the collection tank, and the other end of the water inlet pump is communicated with the anaerobic main reactor and the anaerobic secondary reactor.
10. The MOBR micro-aerobic bioreactor system of claim 9, wherein the water inlet assembly further comprises a water inlet pipe group, the water inlet pipe group comprises an annular pipe and a plurality of water distribution pipes, the annular pipe is sleeved at the bottom of the anaerobic main reactor, the plurality of water distribution pipes are uniformly distributed along the circumferential direction of the annular pipe, one end of each water distribution pipe is communicated with the annular pipe, the other end of each water distribution pipe is communicated with the anaerobic main reactor, and the water inlet pump is communicated with the anaerobic main reactor sequentially through the annular pipe and the plurality of water distribution pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322653960.5U CN221117170U (en) | 2023-09-27 | 2023-09-27 | MOBR micro-oxygen bioreactor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322653960.5U CN221117170U (en) | 2023-09-27 | 2023-09-27 | MOBR micro-oxygen bioreactor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221117170U true CN221117170U (en) | 2024-06-11 |
Family
ID=91374468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322653960.5U Active CN221117170U (en) | 2023-09-27 | 2023-09-27 | MOBR micro-oxygen bioreactor system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221117170U (en) |
-
2023
- 2023-09-27 CN CN202322653960.5U patent/CN221117170U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208120821U (en) | A kind of anaerobism, anoxic, aerobic integratedization reactor | |
| CN104445608B (en) | Inner-loop anaerobic membrane bioreactor treatment method and equipment for high-concentration organic wastewater | |
| CN202193660U (en) | Powerless self-circulation perfectly-stirred anaerobic reactor | |
| CN107311309B (en) | Up-flow internal circulation micro-oxygen bioreactor, aeration method for strengthening mass transfer and using method thereof | |
| CN102502960A (en) | Gas-liquid blending and stirring device of sewage-sludge complete mixing type anaerobic fermentation tank and treatment method thereof | |
| EP2558421A1 (en) | An anaerobic wastewater treatment system | |
| CN109912145A (en) | A kind of aerobic particle mud electricity production device | |
| CN112279369A (en) | Absorbing CO by alkali liquor2Device and method for reinforcing UASB process performance by backflow | |
| CN204324981U (en) | The internal circulation anaerobic film bioreactor treatment facility of high concentrated organic wastewater | |
| CN221117170U (en) | MOBR micro-oxygen bioreactor system | |
| CN101905945B (en) | Municipal sludge energy treatment system | |
| CN101585601B (en) | Monomer ultra-large volume steel post cone high-temperature anaerobic fermentation system | |
| CN105174453A (en) | Horizontal integrated sewage processing device | |
| CN112919736A (en) | Anaerobic denitrification and methane removal device and method, sewage treatment system and method | |
| CN110004047B (en) | Tandem tube type hollow fiber membrane device for enriching denitrification type anaerobic methane oxidation microorganisms and method thereof | |
| CN209411880U (en) | A kind of anaerobic baffled reactor being coupled with three phase separator | |
| CN103979670A (en) | Tower type wastewater bio-treatment device | |
| CN212334746U (en) | Anaerobic reactor for wastewater treatment | |
| CN215049332U (en) | Biogas chemical desulfurization absorption liquid regeneration system | |
| CN212609820U (en) | Novel micro-power domestic sewage treatment device | |
| CN111717990A (en) | Anaerobic reactor for wastewater treatment and method for treating wastewater | |
| CN221191855U (en) | Anaerobic biological reaction device for wastewater | |
| CN217895264U (en) | Oxygen-enriched oxidation and carbon dioxide capture device for organic pollutants in wastewater | |
| CN113003719A (en) | Forced air-stripping mixing and stirring anaerobic reactor | |
| CN207079069U (en) | The micro- oxygen bioreactor of circulation in up-flow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |