CN102815842A - Sewage continuous biological treatment method and device - Google Patents
Sewage continuous biological treatment method and device Download PDFInfo
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- CN102815842A CN102815842A CN2012103181141A CN201210318114A CN102815842A CN 102815842 A CN102815842 A CN 102815842A CN 2012103181141 A CN2012103181141 A CN 2012103181141A CN 201210318114 A CN201210318114 A CN 201210318114A CN 102815842 A CN102815842 A CN 102815842A
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Abstract
The invention relates to a sewage continuous biological treatment method and device. The method sequentially comprises a sewage anaerobe treatment process and a sewage aerobe treatment process, wherein in the anaerobe treatment process, a vibrator is utilized to vibrate a metal or plastic wool clew in the anaerobic channel, so that biological sludge, which is accumulated on the metal or plastic wool clew in the sewage anaerobe treatment process, falls off into the closed anaerobic channel below the metal or plastic wool clew; and in the aerobe treatment process, a vibrator is utilized to vibrate the metal or plastic wool clew in the aerobic channel, so that biological sludge, which is accumulated on the metal or plastic wool clew in the sewage aerobe treatment process, falls off into the closed aerobic channel below the metal or plastic wool clew. Compared with the prior art, the invention can effectively remove accumulated biological sludge and consume less energy on the premise of not destroying the biological film.
Description
Technical field
The present invention relates to a kind of sewage water treatment method and device.
Background technology
Existing dirty water living creature processing technique such as patented claim 2012100252179 are disclosed; Comprise sewage aerobic microbiological treatment process, anerobic sowage microbiological treatment process; Sewage aerobic microbiological treatment process is in the passage that is full of metal knitting wool group, to place aerobic bacterial classification earlier; In the sewage introduction channel after handling with treatment sewage or through anerobic sowage microbiological treatment process then; Simultaneously, in passage, continue bubbling air or oxygen, outside the sewage exhaust channel after aerobic microbiological is handled; Anerobic sowage microbiological treatment process is that anaerobic species is placed by elder generation in the anaerobism passage that is full of metal knitting wool group, then sewage after the sewage aerobic microbiological treatment process or treatment sewage importing anaerobism passage is carried out microbiological treatment.Though it is big that above-mentioned technology has solved the carrier specific surface area, sewage is little through resistance, and intensity is big; The problem of anti-recoil cleaning; But, because in case after metal knitting wool group forms microbial film, just can not carry out back flushing to metal knitting wool group; To keep formed microbe colony flourishingly to grow, so that biological treatment of sewage.And along with the carrying out of WWT; Can after biological sludge accumulates to a certain degree, will the gap gambling between metal knitting wool group be filled at metal knitting wool group accumulated biological sludge inevitably; Sewage can not normally be passed through; In addition, the sewage of aerobic microbiological treating processes, anerobic sowage microbiological treatment interprocedual need be carried through power, and energy consumption is big.
Summary of the invention
It is a kind of in destroy microorganisms film not that goal of the invention of the present invention is to provide, and can effectively remove the continuous bioremediation of sewage biological sludge, less energy consumption and the device that gather.
The continuous bioremediation of sewage of the present invention is to realize like this; Comprise anerobic sowage microbiological treatment process, sewage aerobic microbiological treatment process successively; Anerobic sowage microbiological treatment process is in the anaerobism passage of the sealing that is full of metal or nonmetal knitting wool group, to place anaerobic species earlier; Then treatment sewage is continued to import the anaerobism passage below metal or nonmetal knitting wool group; Continue to derive the anaerobism passage then from metal or above the nonmetal knitting wool group; Anaerobic species continues breeding and forms microbial film at metal or nonmetal knitting wool group surface in sewage; Simultaneously; The biological sludge that is produced accumulates in the anaerobism passage of the sealing below metal or the nonmetal knitting wool group; Biological sludge in the anaerobism passage and microbial film carry out microbiological treatment to the sewage of process; The biogas that is produced in the sewage treatment process is drained through the venting port on anaerobism passage top of sealing, and the sewage after the anaerobic treatment is discharged through the water port on the anaerobism passage of the sealing on metal or nonmetal knitting wool group top and through pipeline guiding sewage aerobic microbiological treatment process, in the middle of the anaerobic treatment process or with metal in the vibrator vibrations anaerobism passage or nonmetal knitting wool group; The anerobic sowage microbiological treatment process gathered is produced in metal or the nonmetal knitting wool group biological sludge is dropped in the anaerobism passage of the sealing below metal or the nonmetal knitting wool group; Sewage aerobic microbiological treatment process is earlier in the aerobic passage of the sealing that is full of anaerobic species, to place aerobic bacterial classification, will pass through then in sewage after anerobic sowage microbiological treatment process is handled imports the aerobic microbiological treating processes below metal or nonmetal knitting wool group the aerobic passage of sealing, then from metal or the aerobic passage of lasting derivation above the nonmetal knitting wool group; Simultaneously; In the aerobic passage of sealing, continue bubbling air or oxygen, aerobic bacterial classification continues breeding and forms the aerobic microbiological film at metal or nonmetal knitting wool group surface in sewage, simultaneously; The biological sludge that is produced accumulates in the aerobic passage of the sealing below metal or the nonmetal knitting wool group; Like this, biological sludge in the aerobic passage and microbial film carry out microbiological treatment to the sewage of process, and the water after aerobic microbiological is handled is discharged outside the aerobic passage through the water port on metal or the aerobic passage above the nonmetal knitting wool group; In the middle of the aerobic treatment process or with vibrator, shake metal or nonmetal knitting wool group in the aerobic passage, the biological sludge that the sewage oxygen animalcule treating processes gathered in metal or the nonmetal knitting wool group is produced drops in the aerobic passage of the sealing below metal or the nonmetal knitting wool group.
Here, the height of the water port on the anaerobism passage is higher than the height of the water port of aerobic passage, so that sewage can utilize run by gravity to cross aerobic passage.
For sewage can be fully contact with biological sludge and metal or nonmetal knitting wool group, sewage through several be positioned at metal or the nonmetal knitting wool group of aerobic passage or anaerobism passage following and export towards the water introducing port of biological sludge and be directed in aerobic passage or anaerobism passage.Like this; Sewage just can rely on initial downward power to be introduced in the granular biological sludge with planar form, so that fully contact with biological sludge, then; Rising fully contacts with microbial film through metal or nonmetal knitting wool group again, thereby has promoted the biological sewage treatment ability effectively.
The present invention is because between adopting or vibrations metal or plastics knitting wool group and utilize biological sludge that sewage is handled; And; The height of the water port on the anaerobism passage is higher than the height of the water port of aerobic passage; Therefore, have in destroy microorganisms film not, can effectively remove the advantage of gathering biological sludge, less energy consumption.
The water of the water port on aerobic passage through pipeline lead below the water port on the aerobic passage mud water separator carry out water, biological sludge separates.Water after the separation imports artificial swamp so that water is done further biopurification.
The continuous biological treatment device of sewage of the present invention is to realize like this; Comprise anaerobism WWT closed container, aerobic WWT closed container; The top of anaerobism WWT closed container and bottom are respectively arranged with water export mouth and water introducing port; Top at anaerobism WWT closed container is provided with the biogas escape orifice; Be provided with mechanism of metal or nonmetal knitting wool group at the middle part of anaerobism WWT closed container; Bottom at anaerobism WWT closed container is provided with the biological sludge receiving tank; The top of aerobic WWT closed container and bottom are respectively arranged with water export mouth and water introducing port; Be provided with mechanism of metal or nonmetal knitting wool group at the middle part of aerobic WWT closed container; Be provided with the biological sludge receiving tank in the bottom of aerobic WWT closed container, be provided with several air introducing ports that have air feeder in the aerobic WWT closed container below mechanism of metal or nonmetal knitting wool group, metal or mechanism of nonmetal knitting wool group comprise the pedestal that is fixed in anaerobism WWT closed container or the aerobic WWT closed container, are arranged on the vibrator on the pedestal, the shelf that is connected with vibrator, setting metal or plastics knitting wool group on the top of the shelf; The water export mouth of anaerobism WWT closed container is higher than the water export mouth of aerobic WWT closed container, and the water export mouth of anaerobism WWT closed container links to each other with the water introducing port of aerobic WWT closed container through pipe.
Vibrator comprises several springs of being arranged between pedestal and shelf, is arranged on the vibration power at anaerobism WWT closed container or aerobic WWT closed container top, is connected the transmission rod between vibration power and shelf.
During use; Throw in anaerobic species, aerobic bacterial classification respectively toward anaerobism WWT closed container, aerobic WWT closed container earlier, continue bubbling air or oxygen toward aerobic WWT closed container, the water introducing port through anaerobism WWT closed container continues to import sewage then; After for some time; Metal or nonmetal knitting wool group surface can form microbial film, at this moment, just can handle sewage to continuous and effective; The biogas that is produced in the treating processes is drained through the set biogas escape orifice in the top of anaerobism WWT closed container; Between vibrator or the vibrations shelf, accumulate in metal or nonmetal knitting wool group and go up biological sludge and drop in the biological sludge receiving tank so that make, the unnecessary air in the aerobic WWT closed container is drained through the venting port at top.
Here; In order earlier biological sludge to be separated before the water after emission treatment; On the water export mouth of aerobic WWT closed container, be connected with mud water separator; Wu Ni water separator top and bottom are respectively arranged with water export mouth and water introducing port; The water export mouth of aerobic WWT closed container be higher than mud the water export mouth of water separator, mud water separator comprise container, from lower to upper be arranged on the container inner wall by acclivitous several piece swash plate from left to right, the water introducing port is positioned at the left side of container; Water is positioned at the right of container to outlet, the water export mouth of aerobic WWT closed container through pipe and mud the water introducing port of water separator link to each other.
Compared with present technology the present invention has in destroy microorganisms film not, can effectively remove the biological sludge that gathers, less energy consumption advantage.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
Embodiment:
Combine accompanying drawing and embodiment that the present invention is done describes in further detail at present:
The continuous bioremediation of sewage of the present invention is to realize like this; Comprise anerobic sowage microbiological treatment process, sewage aerobic microbiological treatment process successively; Anerobic sowage microbiological treatment process is in the anaerobism passage of the sealing that is full of group such as nonmetal knitting wool such as metal or plastics, thomel etc., to place anaerobic species earlier; Then treatment sewage is continued to import the anaerobism passage below metal or plastics knitting wool group; Continue to derive the anaerobism passage then from metal or above the plastics knitting wool group; Anaerobic species continues breeding and forms microbial film at metal or plastics knitting wool group surface in sewage; Simultaneously; The particulate state biological sludge that is produced accumulates in the anaerobism passage of the sealing below metal or the plastics knitting wool group; Biological sludge in the anaerobism passage and microbial film carry out microbiological treatment to the sewage of process; The biogas that is produced in the sewage treatment process is drained through the venting port on anaerobism passage top of sealing, and the sewage after the anaerobic treatment is discharged through the water port on the anaerobism passage of the sealing on metal or plastics knitting wool group top and through pipeline guiding sewage aerobic microbiological treatment process, in the middle of the anaerobic treatment process or (two is bimonthly thoughtful) with metal or plastics knitting wool group in the vibrator vibrations anaerobism passage; The anerobic sowage microbiological treatment process gathered is produced in metal or the plastics knitting wool group aged particulate state biological sludge is dropped in the anaerobism passage of the sealing below metal or the plastics knitting wool group; Sewage aerobic microbiological treatment process is earlier in the aerobic passage of the sealing that is full of anaerobic species, to place aerobic bacterial classification, will pass through then in sewage after anerobic sowage microbiological treatment process is handled imports the aerobic microbiological treating processes below metal or plastics knitting wool group the aerobic passage of sealing, then from metal or the aerobic passage of lasting derivation above the plastics knitting wool group; Simultaneously; In the aerobic passage of sealing, continue bubbling air or oxygen, aerobic bacterial classification continues breeding and forms the aerobic microbiological film at metal or plastics knitting wool group surface in sewage, simultaneously; The particulate state biological sludge that is produced accumulates in the aerobic passage of the sealing below metal or the plastics knitting wool group; Like this, biological sludge in the aerobic passage and microbial film carry out microbiological treatment to the sewage of process, and the water after aerobic microbiological is handled is discharged outside the aerobic passage through the water port on metal or the aerobic passage above the plastics knitting wool group; In the middle of the aerobic treatment process or (per 2 thoughtful February once) shake metal or plastics knitting wool group in the aerobic passage with vibrator, the aged particulate state biological sludge that the sewage aerobic microbiological treatment process gathered in metal or the plastics knitting wool group is produced drops in the aerobic passage of the sealing below metal or the plastics knitting wool group.
The height of the water port on the anaerobism passage is higher than the height of the water port of aerobic passage, so that sewage can utilize run by gravity to cross aerobic passage.
For sewage can be fully contact with biological sludge and metal or plastics knitting wool group, sewage through several be positioned at metal or the plastics knitting wool group of aerobic passage or anaerobism passage following and export towards the water introducing port of biological sludge and be directed in aerobic passage or anaerobism passage.Like this; Sewage just can rely on initial downward power to be introduced in the granular biological sludge with planar form, so that fully contact with biological sludge, then; Rising fully contacts with microbial film through metal or plastics knitting wool group again, thereby has promoted the biological sewage treatment ability effectively.
The water of the water port on aerobic passage through pipeline lead below the water port on the aerobic passage mud water separator carry out water, biological sludge separates.Water after the separation imports artificial swamp so that water is done further biopurification.
The continuous biological treatment device of sewage of the present invention is to realize like this; Comprise that anaerobism WWT closed container 1, top have the aerobic WWT closed container 2 of venting port; The top 1a of anaerobism WWT closed container 1 and bottom 1b are respectively arranged with water export mouth 4 that has valve 3 and the water introducing port 6 that has valve 5; Top 1c at anaerobism WWT closed container 1 is provided with biogas escape orifice 7; Be provided with metal or mechanism 8 of nonmetal knitting wool such as plastics, thomel group at the middle part 1d of anaerobism WWT closed container 1; Be provided with the biological sludge receiving tank 10 that has wash water valve 9 in the bottom of anaerobism WWT closed container 1; The top 2a of aerobic WWT closed container 2 and bottom 2b are respectively arranged with and have valve 11 water export mouths 12 and the water introducing port 14 that has valve 13; 2c is provided with metal or mechanism 8 of plastics knitting wool group at the middle part of aerobic WWT closed container 2; Be provided with in the bottom of aerobic WWT closed container 2 and have wash water valve 15 biological sludge receiving tanks 16; Be provided with the air introducing port 18 that has air feeder 17 in the aerobic WWT closed container 2 below metal or mechanism 8 of plastics knitting wool group; Mechanism 8 of metal or plastics knitting wool group comprises the pedestal 8a that is fixed in anaerobism WWT closed container 1 or the aerobic WWT closed container 2, is arranged on vibrator, the shelf 8c that is connected with vibrator on the pedestal 8a, metal or the plastics knitting wool that is arranged on the shelf 8c is rolled into a ball 8d.; The water export mouth 4 of anaerobism WWT closed container 1 is higher than the water export mouth 12 of aerobic WWT closed container 2, and the water export mouth of anaerobism WWT closed container 14 links to each other with the water introducing port 13 of aerobic WWT closed container 2 through pipe 19.
Vibrator comprises several springs 8b of being arranged between pedestal 8a and shelf 8c, is arranged on the vibration power 8e at anaerobism WWT closed container 1 or aerobic WWT closed container 2 tops, is connected the transmission rod 8f between vibration power 8e and shelf 8c.
The water introducing port 6 of anaerobism WWT closed container 1 has several and is positioned at below the 8d of metal or plastics knitting wool group of anaerobism WWT closed container 1; The outlet of the water introducing port 6 of anaerobism WWT closed container 1 is downwards towards the biological sludge receiving tank 10 of anaerobism WWT closed container 1; The water introducing port 14 of aerobic WWT closed container 2 all has several and is positioned at below the 8d of metal or plastics knitting wool group of aerobic WWT closed container 2, and the outlet of the water introducing port 14 of aerobic WWT closed container 2 is downwards towards the biological sludge receiving tank 16 of aerobic WWT closed container 2.
Air introducing port 18 has several, the downward biological sludge receiving tank 16 towards aerobic WWT closed container 2 of its outlet.
On the water export mouth 12 of aerobic WWT closed container 2, be connected with mud water separator 20; Wu Ni water separator 20 tops and bottom are respectively arranged with the water export mouth 22 that has valve 21 and have valve 23 water introducing ports 24; The water export mouth 12 of aerobic WWT closed container 2 be higher than mud the water export mouth 22 of water separator 20; Mud water separator 20 comprise the container 20a that has wash water valve 25, from lower to upper be arranged on the container 20a inwall by acclivitous several piece swash plate 20b from left to right; Water introducing port 24 is positioned at the left side of container 20a; Water export mouth 22 is positioned at the right of container 20a, the water export mouth of aerobic WWT closed container 2 12 through pipe 19 and mud the water introducing port 24 of water separator 20 link to each other.
Claims (10)
1. continuous bioremediation of sewage; It is characterized in that comprising successively anerobic sowage microbiological treatment process, sewage aerobic microbiological treatment process; Anerobic sowage microbiological treatment process is in the anaerobism passage of the sealing that is full of metal or nonmetal knitting wool group, to place anaerobic species earlier; Then treatment sewage is continued to import the anaerobism passage below metal or nonmetal knitting wool group; Continue to derive the anaerobism passage then from metal or above the nonmetal knitting wool group; Anaerobic species continues breeding and forms microbial film at metal or nonmetal knitting wool group surface in sewage; Simultaneously; The biological sludge that is produced accumulates in the anaerobism passage of the sealing below metal or the nonmetal knitting wool group; Biological sludge in the anaerobism passage and microbial film carry out microbiological treatment to the sewage of process; The biogas that is produced in the sewage treatment process is drained through the venting port on anaerobism passage top of sealing, and the sewage after the anaerobic treatment is discharged through the water port on the anaerobism passage of the sealing on metal or nonmetal knitting wool group top and through pipeline guiding sewage aerobic microbiological treatment process, in the middle of the anaerobic treatment process or with metal in the vibrator vibrations anaerobism passage or nonmetal knitting wool group; The anerobic sowage microbiological treatment process gathered is produced in metal or the nonmetal knitting wool group biological sludge is dropped in the anaerobism passage of the sealing below metal or the nonmetal knitting wool group; Sewage aerobic microbiological treatment process is earlier in the aerobic passage of the sealing that is full of anaerobic species, to place aerobic bacterial classification, will pass through then in sewage after anerobic sowage microbiological treatment process is handled imports the aerobic microbiological treating processes below metal or nonmetal knitting wool group the aerobic passage of sealing, then from metal or the aerobic passage of lasting derivation above the nonmetal knitting wool group; Simultaneously; In the aerobic passage of sealing, continue bubbling air or oxygen, aerobic bacterial classification continues breeding and forms the aerobic microbiological film at metal or nonmetal knitting wool group surface in sewage, simultaneously; The biological sludge that is produced accumulates in the aerobic passage of the sealing below metal or the nonmetal knitting wool group; Like this, biological sludge in the aerobic passage and microbial film carry out microbiological treatment to the sewage of process, and the water after aerobic microbiological is handled is discharged outside the aerobic passage through the water port on metal or the aerobic passage above the nonmetal knitting wool group; In the middle of the aerobic treatment process or with vibrator, shake metal or nonmetal knitting wool group in the aerobic passage, the biological sludge that the sewage oxygen animalcule treating processes gathered in metal or the nonmetal knitting wool group is produced drops in the aerobic passage of the sealing below metal or the nonmetal knitting wool group.
2. the continuous bioremediation of sewage according to claim 1 is characterized in that the height of the water port on the anaerobism passage is higher than the height of the water port of aerobic passage, so that sewage can utilize run by gravity to cross aerobic passage.
3. the continuous bioremediation of sewage according to claim 1 and 2; It is characterized in that sewage through several be positioned at below metal or the nonmetal knitting wool group of aerobic passage or anaerobism passage and outlet be directed in aerobic passage or anaerobism passage towards the water introducing port of biological sludge; Sewage relies on initial downward power to be introduced in the granular biological sludge with planar form; So that fully contact with biological sludge; Then, rising fully contacts with microbial film through metal or nonmetal knitting wool group again, thereby has promoted the biological sewage treatment ability effectively.
4. the continuous bioremediation of sewage according to claim 3, the water that comes out that it is characterized in that the water port on aerobic passage through pipeline lead below the water port on the aerobic passage mud water separator carry out water, biological sludge separates.
5. according to claim 1 or the continuous bioremediation of 2 or 4 described sewage, the water after it is characterized in that separating imports artificial swamp so that water is done further biopurification.
6. continuous biological treatment device of sewage; It is characterized in that comprising anaerobism WWT closed container, aerobic WWT closed container; The top of anaerobism WWT closed container and bottom are respectively arranged with water export mouth and water introducing port; Top at anaerobism WWT closed container is provided with the biogas escape orifice; Be provided with mechanism of metal or nonmetal knitting wool group at the middle part of anaerobism WWT closed container; Bottom at anaerobism WWT closed container is provided with the biological sludge receiving tank; The top of aerobic WWT closed container and bottom are respectively arranged with water export mouth and water introducing port; Be provided with mechanism of metal or nonmetal knitting wool group at the middle part of aerobic WWT closed container; Be provided with the biological sludge receiving tank in the bottom of aerobic WWT closed container, be provided with several air introducing ports that have air feeder in the aerobic WWT closed container below mechanism of metal or nonmetal knitting wool group, metal or mechanism of nonmetal knitting wool group comprise the pedestal that is fixed in anaerobism WWT closed container or the aerobic WWT closed container, be arranged on the vibrator on the pedestal, the shelf that is connected with vibrator, setting metal or nonmetal knitting wool group on the top of the shelf; The water export mouth of anaerobism WWT closed container is higher than the water export mouth of aerobic WWT closed container, and the water export mouth of anaerobism WWT closed container links to each other with the water introducing port of aerobic WWT closed container through pipe.
7. the continuous biological treatment device of sewage according to claim 6, it is characterized in that vibrator comprise several springs of being arranged between pedestal and shelf, be arranged on anaerobism WWT closed container or aerobic WWT closed container top vibration power, be connected the transmission rod between vibration power and shelf.
8. according to claim 6 or the continuous biological treatment device of 7 described sewage; It is characterized in that on the water export mouth of aerobic WWT closed container, being connected with mud water separator; Wu Ni water separator top and bottom are respectively arranged with water export mouth and water introducing port, and the water export mouth of aerobic WWT closed container is higher than the water export mouth of Wu Ni water separator.
9. the continuous biological treatment device of sewage according to claim 8; It is characterized in that mud water separator comprise container, from lower to upper be arranged on the container inner wall by acclivitous several piece swash plate from left to right; The water introducing port is positioned at the left side of container; Water is positioned at the right of container to outlet, the water export mouth of aerobic WWT closed container through pipe and mud the water introducing port of water separator link to each other.
10. according to claim 6 or the continuous biological treatment device of 7 or 9 described sewage; The water introducing port that it is characterized in that anaerobism WWT closed container has several and is positioned at below the metal or nonmetal knitting wool group of anaerobism WWT closed container; The outlet of the water introducing port of anaerobism WWT closed container is downwards towards the biological sludge receiving tank of anaerobism WWT closed container; The water introducing port of aerobic WWT closed container all has several and is positioned at below metal or the plastics knitting wool group of aerobic WWT closed container, and the outlet of the water introducing port of aerobic WWT closed container is downwards towards the biological sludge receiving tank of aerobic WWT closed container.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103181141A CN102815842A (en) | 2012-09-01 | 2012-09-01 | Sewage continuous biological treatment method and device |
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| CN2012103181141A CN102815842A (en) | 2012-09-01 | 2012-09-01 | Sewage continuous biological treatment method and device |
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| CN102815842A true CN102815842A (en) | 2012-12-12 |
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| CN2012103181141A Pending CN102815842A (en) | 2012-09-01 | 2012-09-01 | Sewage continuous biological treatment method and device |
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| CN103449601A (en) * | 2013-09-10 | 2013-12-18 | 李泽 | Biological sewage treatment method and device |
| CN108726676A (en) * | 2017-04-21 | 2018-11-02 | 湖南山河美生物环保科技股份有限公司 | One-stop AO degradations high-concentration sewage resource utilization system |
| CN116730547A (en) * | 2023-07-06 | 2023-09-12 | 武汉东碧环保科技有限公司 | Wastewater treatment device and treatment method |
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| CN103449601B (en) * | 2013-09-10 | 2015-12-16 | 李泽 | A kind of biological sewage treatment method and device |
| CN108726676A (en) * | 2017-04-21 | 2018-11-02 | 湖南山河美生物环保科技股份有限公司 | One-stop AO degradations high-concentration sewage resource utilization system |
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| CN116730547B (en) * | 2023-07-06 | 2024-01-26 | 武汉东碧环保科技有限公司 | Wastewater treatment device and treatment method |
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Application publication date: 20121212 |