CN111115973A - Multistage facultative anaerobic membrane biological sewage treatment plant - Google Patents
Multistage facultative anaerobic membrane biological sewage treatment plant Download PDFInfo
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- CN111115973A CN111115973A CN202010049476.XA CN202010049476A CN111115973A CN 111115973 A CN111115973 A CN 111115973A CN 202010049476 A CN202010049476 A CN 202010049476A CN 111115973 A CN111115973 A CN 111115973A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
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Abstract
The invention discloses a multistage facultative anaerobic membrane biological sewage treatment device, which comprises a rough filtering chamber, a balancing chamber, a reaction chamber and a controller, wherein a filtering grid is arranged between the rough filtering chamber and the balancing chamber, a water supply pipe is arranged in the balancing chamber and leads to the reaction chamber, a first water pump is arranged on the water supply pipe, a partition board is arranged between the balance chamber and the reaction chamber, a water outlet pipe is arranged in the reaction chamber and is communicated with the outside, a second water pump is arranged on the water outlet pipe, the device also comprises an aeration fan, an aeration pipeline and an MBR membrane component, the MBR membrane component is arranged in the reaction chamber and is positioned between the water supply pipe and the water outlet pipe, aeration branch pipes are arranged in the reaction chamber and in front of each filter membrane of the MBR membrane assembly, each aeration branch pipe is communicated with an aeration pipeline, the aeration pipeline is connected with an aeration fan, the aeration fan is electrically connected with a controller, and the controller controls the aeration fan to operate intermittently, so that intermittent aeration is carried out in the reaction chamber. The invention combines the advantages of the activated sludge method and the biofilm method, simplifies the working procedures and improves the reaction efficiency.
Description
Technical Field
The invention relates to the field of sewage treatment devices, in particular to a multistage facultative anaerobic membrane biological sewage treatment device.
Background
The rural sewage treatment of the villages and towns is an important component of the comprehensive treatment project of the water pollution of the villages and towns, is one of the signs for improving the infrastructure perfection degree of the villages and the towns and measuring the modernization of the villages and the towns, not only reflects the economic strength, social development and population quality of the villages and the towns, but also can enhance the attraction to internal resources and external resources along with the improvement of the environment. Rural sewage has the treatment difficulties of wide distribution, large regional difference, large fluctuation of water quality and water quantity of sewage, unsound drainage pipe network, low utilization rate of rain sewage resources and the like, so that a diversified treatment mode according to local conditions needs to be designed, and integrated equipment with high impact load resistance in a sewage treatment process is adopted.
With the gradual and deep research and development of Membrane Bioreactors (MBR), the process is gradually and widely applied in China. The Membrane Bioreactor (MBR) process is a biochemical reaction system formed by combining a membrane component and a bioreactor, and generally comprises the bioreactor, the membrane component, a water production system, an aeration system and a sludge discharge and sludge reflux system. Membrane Bioreactor (MBR) processes have many advantages, but the following problems remain to be solved: the Membrane Bioreactor (MBR) needs sludge discharge and has relatively large sludge discharge amount; the Membrane Bioreactor (MBR) has higher control requirement, and needs sludge discharge and sludge backflow, so staff must be arranged to be on duty for 24 hours; the Membrane Bioreactor (MBR) occupies a large area and has large civil engineering investment; the nitrification efficiency of the Membrane Bioreactor (MBR) needs to be improved, and the like.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a multistage facultative anaerobic membrane biological sewage treatment device, which combines the advantages of an activated sludge method and a biofilm method, simplifies the process and improves the reaction efficiency.
The invention is realized by the following technical scheme:
a multi-stage facultative anaerobic membrane biological sewage treatment equipment includes coarse filtration chamber, balance chamber, reaction chamber and controller, one side of coarse filtration chamber is equipped with water inlet, the filtering grid is placed between coarse filtration chamber and balance chamber, the interior of balance chamber is equipped with water supply pipe, said water supply pipe is connected with reaction chamber, the water supply pipe is equipped with first water pump, a partition board is arranged between the balance chamber and the reaction chamber, a water outlet pipe is arranged in the reaction chamber and is communicated with the outside, a second water pump is arranged on the water outlet pipe, the device also comprises an aeration fan, an aeration pipeline and an MBR membrane component, the MBR membrane component is arranged in the reaction chamber and is positioned between the water supply pipe and the water outlet pipe, aeration branch pipes are arranged in the reaction chamber and in front of each filter membrane of the MBR membrane assembly, each aeration branch pipe is communicated with an aeration pipeline, the aeration pipeline is connected with an aeration fan, the aeration fan is electrically connected with a controller, and the controller controls the aeration fan to operate intermittently, so that intermittent aeration is carried out in the reaction chamber.
Sewage enters a rough filtering chamber from a water inlet, then enters a balancing chamber after being primarily filtered by a filtering grid, the sewage is kept stand in the balancing chamber and is neutralized by acid and alkali, the balancing chamber and a reaction chamber are separated by a partition plate, a controller controls a water pump and conveys water in the balancing chamber to the reaction chamber through a water conveying pipe, the sewage enters the reaction chamber and is in contact and mixed with each filter membrane of an MBR (membrane bioreactor) membrane assembly, a large amount of microbial membranes grow on the outer surfaces of the filter membranes, the filter membranes for hanging the membranes are suspended in the sewage under the aeration condition to be disordered and disturbed, and an aeration fan performs interval aeration under the control of the controller to build an aerobic reaction zone and a facultative reaction zone in the same reaction; during aeration, the reaction zone is an aerobic reaction zone, adjacent filter membranes in the MBR membrane component are disturbed and collided with each other in the reaction chamber, so that the transmission of liquid-phase organic matters is improved, the updating of the biological membrane is promoted, pollutants in the sewage are intercepted and adsorbed by the biological membrane and are used as a nutrient source for the growth of microorganisms, the pollutants are digested and decomposed in the microbial propagation process, the sewage is degraded, and ammonia nitrogen is changed into nitrate nitrogen under the action of nitrobacteria; when aeration is not carried out, the reaction area is a facultative reaction area, denitrifying bacteria reduce nitrified nitrogen into nitrogen to escape from a water body, phosphorus is taken as a nutrient source of microorganisms, is nitrified and absorbed by the microorganisms in the growth and reproduction process of the microorganisms, is deposited at the bottom of equipment as biological sludge after the microorganisms die, and is discharged from a system when sludge is discharged; the second water pump outputs the sewage treated in the reaction chamber through the water outlet pipe.
Further, the MBR membrane module adopts a plate-and-frame membrane module.
The beneficial effect of adopting the further technical scheme is that: and the plate-frame type membrane assembly is adopted, so that the MBR membrane assembly is simple to manufacture and assemble, convenient to operate and easy to maintain, clean and replace.
Furthermore, the edge of the plate-frame membrane assembly is fixedly connected with the inner wall of the reaction chamber through a screw, and the joint of the plate-frame membrane assembly and the inner wall of the reaction chamber is filled with sealant.
The beneficial effect of adopting the further technical scheme is that: the reliability of the fixed connection between the plate-frame type membrane assembly and the inner wall of the reaction chamber is ensured, and the sealing reliability between the plate-frame type membrane assembly and the inner wall of the reaction chamber is ensured.
Further, the aeration fan is fixedly arranged on the outer wall of the reaction chamber.
The beneficial effect of adopting the further technical scheme is that: is convenient for the disassembly, the assembly and the maintenance of the aeration fan.
Further, the first water pump and the second water pump are electrically connected with the controller.
The beneficial effect of adopting the further technical scheme is that: the first water pump and the second water pump are convenient to control to be started and closed.
Further, the filter grid is made of stainless steel.
The beneficial effect of adopting the further technical scheme is that: the service life of the filter grating is guaranteed.
Furthermore, one end of the water supply pipe is positioned in the balance chamber, the other end of the water supply pipe penetrates through the partition plate and then extends into the reaction chamber, and the position of the water supply pipe penetrating through the partition plate is filled with sealant.
The beneficial effect of adopting the further technical scheme is that: the sealing reliability of the water supply pipe penetrating through the partition plate is ensured.
Furthermore, one end of the water outlet pipe is positioned in the reaction chamber, the other end of the water outlet pipe penetrates through the side wall of the reaction chamber and then extends into the reaction chamber, and the position of the water delivery pipe penetrating through the side wall of the reaction chamber is filled with the sealant.
The beneficial effect of adopting the further technical scheme is that: ensure the sealing reliability of the water outlet pipe penetrating through the side wall of the reaction chamber.
The invention has the beneficial effects that:
1. the device combines the aeration tank and the secondary sedimentation tank of the traditional sewage treatment into a whole and replaces all process facilities of three-stage treatment, thereby greatly reducing the occupied area and saving the civil engineering investment;
2. the device can efficiently carry out solid-liquid separation, the separation effect is far superior to that of the traditional sedimentation tank, the effluent quality is good, the suspended matters and turbidity of the effluent are close to zero, the effluent can be directly recycled, and the recycling of sewage is realized;
3. the device has the advantages that the high-efficiency interception function of the membrane can completely intercept pollutants in the bioreactor, the hydraulic retention time of the bioreactor and the sludge age can be completely separated, and the operation control is flexible and stable;
4. the device utilizes the interception and propagation of nitrifying bacteria, has high system nitrification efficiency, and has the functions of nitrogen removal and phosphorus removal through the change of the operation mode;
5. this device has adopted opening and closing of first water pump of controller control and second water pump, and control aeration fan intermittent type formula aeration, control is accurate, does not need personnel to squat and watch the operation, has realized automated control.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic view of the structure of the present invention.
In the attached drawing, 1-a water inlet, 2-a rough filtration chamber, 3-a filtration grid, 4-a balance chamber, 5-a partition plate, 6-a reaction chamber, 7-an MBR membrane component, 8-a filtration membrane, 9-a second water pump, 10-a water outlet pipe, 11-a controller, 12-an aeration fan, 13-an aeration pipeline, 14-an aeration branch pipe, 15-a water supply pipe and 16-a first water pump.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
As shown in figure 1, a multistage facultative membrane biological sewage treatment device comprises a rough filtering chamber 2, a balancing chamber 4, a reaction chamber 6 and a controller 11, wherein a water inlet 1 is arranged at one side of the rough filtering chamber 2, a filtering grid 3 is arranged between the rough filtering chamber 2 and the balancing chamber 4, a water feeding pipe 15 is arranged in the balancing chamber 4, the water feeding pipe 15 leads to the reaction chamber 6, a first water pump 16 is arranged on the water feeding pipe 15, a partition plate 5 is arranged between the balancing chamber 4 and the reaction chamber 6, a water outlet pipe 10 is arranged in the reaction chamber 6, the water outlet pipe 10 leads to the outside, a second water pump 9 is arranged on the water outlet pipe 10, the device also comprises an aeration fan 12, an aeration pipeline 13 and an MBR membrane component 7, the MBR membrane component 7 is arranged in the reaction chamber 6 and is positioned between the water feeding pipe 15 and the water outlet pipe 10, aeration branch pipes 14 are arranged in the reaction chamber, the aeration pipeline 13 is connected with an aeration fan 12, the aeration fan 12 is electrically connected with a controller 11, and the controller 11 controls the aeration fan 12 to operate intermittently, thereby carrying out intermittent aeration in the reaction chamber 6.
Specifically, the MBR membrane module 7 is a plate-and-frame membrane module. And the plate-frame type membrane component is adopted, so that the MBR membrane component 7 is simple to manufacture and assemble, convenient to operate, and easy to maintain, clean and replace.
Specifically, the edge of the plate-frame membrane module is fixedly connected with the inner wall of the reaction chamber 6 through a screw, and the joint of the plate-frame membrane module and the inner wall of the reaction chamber is filled with sealant. The reliability of the fixed connection between the plate-and-frame membrane assembly and the inner wall of the reaction chamber 6 is ensured, and the sealing reliability between the plate-and-frame membrane assembly and the inner wall of the reaction chamber 6 is ensured.
Specifically, the aeration fan 12 is fixedly installed on the outer wall of the reaction chamber 6. Facilitating the disassembly and assembly and maintenance of the aeration fan 12.
Specifically, the first water pump 16 and the second water pump 9 are electrically connected to the controller 11. It is convenient to control the first water pump 16 and the second water pump 9 to be turned on and off.
Specifically, the filter grid 3 is made of stainless steel. The service life of the filter screen 3 is guaranteed.
Specifically, one end of the water supply pipe 15 is located in the balance chamber 4, the other end of the water supply pipe passes through the partition plate 5 and then extends into the reaction chamber 6, and the position of the water supply pipe 15 passing through the partition plate 5 is filled with sealant. The sealing reliability of the water feed pipe 15 through the partition 5 is ensured.
Specifically, one end of the water outlet pipe 10 is located in the reaction chamber 6, the other end of the water outlet pipe penetrates through the side wall of the reaction chamber 6 and then extends into the reaction chamber 6, and the position, through the side wall of the reaction chamber 6, of the water supply pipe 15 is filled with the sealant. Ensuring the sealing reliability of the water outlet pipe 10 passing through the side wall of the reaction chamber 6.
The working principle is as follows:
sewage enters the rough filtering chamber 2 through the water inlet 1, is primarily filtered through the filtering grids 3 between the rough filtering chamber 2 and the balancing chamber 4, stands for a certain time in the balancing chamber 4, is neutralized by acid and alkali, the controller 11 controls the first water pump 16 to be started, and the sewage in the balancing chamber 4 enters the reaction chamber 6 through the water supply pipe 15. Under the control of the controller 11, the aeration fan 12 performs interval aeration to create an aerobic reaction zone and a facultative reaction zone in the same reaction zone. During aeration, the reaction zone is an aerobic reaction zone, adjacent filter membranes 8 in the MBR membrane component 7 are disturbed and collided with each other in the reaction chamber 6, so that the transmission of liquid-phase organic matters is improved, the updating of the biological membranes is promoted, pollutants in the sewage are intercepted and adsorbed by the biological membranes and serve as nutrient sources for the growth of microorganisms, the pollutants are digested and decomposed in the microbial propagation process, the sewage is degraded, and ammonia nitrogen is changed into nitrate nitrogen under the action of nitrobacteria; when the aeration is not carried out, the reaction area is a facultative reaction area, denitrifying bacteria reduce nitrified nitrogen into nitrogen to escape from a water body, phosphorus is taken as a nutrient source of microorganisms, is nitrified and absorbed by the microorganisms in the growth and reproduction process of the microorganisms, is deposited at the bottom of equipment as biological sludge after the microorganisms die, and is discharged from a system when sludge is discharged. Finally, the controller 11 controls the second water pump 9 to be started, and the treated sewage in the reaction chamber 6 is discharged through the water outlet pipe 10.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. The utility model provides a multistage facultative anaerobic membrane biological sewage treatment plant, includes coarse filter chamber (2), balance chamber (4), reaction chamber (6) and controller (11), coarse filter chamber (2) one side is equipped with water inlet (1), is equipped with between coarse filter chamber (2) and balance chamber (4) and filters grid (3), is equipped with flow pipe (15) in balance chamber (4), and flow pipe (15) lead to reaction chamber (6), are equipped with first water pump (16) on flow pipe (15), be equipped with baffle (5) between balance chamber (4) and reaction chamber (6), be equipped with outlet pipe (10) in reaction chamber (6), outlet pipe (10) lead to the external world, are equipped with second water pump (9) on outlet pipe (10), its characterized in that: the aeration device is characterized by further comprising an aeration fan (12), an aeration pipeline (13) and an MBR membrane component (7), wherein the MBR membrane component (7) is arranged in the reaction chamber (6) and is positioned between the water feeding pipe (15) and the water discharging pipe (10), aeration branch pipes (14) are arranged in the reaction chamber (6) and in front of each filter membrane (8) of the MBR membrane component (7), each aeration branch pipe (14) is communicated with the aeration pipeline (13), the aeration pipeline (13) is connected with the aeration fan (12), the aeration fan (12) is electrically connected with a controller (11), and the controller (11) controls the aeration fan (12) to run intermittently so as to perform intermittent aeration in the reaction chamber (6).
2. The apparatus of claim 1, wherein the apparatus comprises: the MBR membrane module (7) adopts a plate-and-frame membrane module.
3. The apparatus of claim 2, wherein the apparatus comprises: the edge of the plate-frame membrane assembly is fixedly connected with the inner wall of the reaction chamber (6) through a screw, and the joint of the plate-frame membrane assembly and the inner wall of the reaction chamber is filled with sealant.
4. The apparatus of claim 1, wherein the apparatus comprises: the aeration fan (12) is fixedly arranged on the outer wall of the reaction chamber (6).
5. The apparatus of claim 1, wherein the apparatus comprises: the first water pump (16) and the second water pump (9) are electrically connected with the controller (11).
6. The apparatus of claim 1, wherein the apparatus comprises: the filtering grille (3) is made of stainless steel.
7. The apparatus of claim 1, wherein the apparatus comprises: one end of the water supply pipe (15) is positioned in the balance chamber (4), the other end of the water supply pipe penetrates through the partition plate (5) and then extends into the reaction chamber (6), and the position of the water supply pipe (15) penetrating through the partition plate (5) is filled with sealant.
8. The apparatus of claim 1, wherein the apparatus comprises: one end of the water outlet pipe (10) is positioned in the reaction chamber (6), the other end of the water outlet pipe penetrates through the side wall of the reaction chamber (6) and then extends into the reaction chamber (6), and the position, through which the water supply pipe (15) penetrates through the side wall of the reaction chamber (6), is filled with a sealant.
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| CN202010049476.XA CN111115973A (en) | 2020-01-16 | 2020-01-16 | Multistage facultative anaerobic membrane biological sewage treatment plant |
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| CN202010049476.XA CN111115973A (en) | 2020-01-16 | 2020-01-16 | Multistage facultative anaerobic membrane biological sewage treatment plant |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111892167A (en) * | 2020-08-27 | 2020-11-06 | 贵州工业职业技术学院 | Method for manufacturing self-generated dynamic membrane bioreactor |
| CN113501575A (en) * | 2021-06-23 | 2021-10-15 | 武汉新烽光电股份有限公司 | In-situ biological membrane carrier reactor for rapid BOD detection |
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| WO2000030742A1 (en) * | 1998-11-23 | 2000-06-02 | Zenon Environmental Inc. | Water filtration using immersed membranes |
| CN101468850A (en) * | 2007-12-26 | 2009-07-01 | 北京工商大学 | Intermittent aeration film bioreactor and sewage treatment method using the same |
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| CN208200696U (en) * | 2018-04-16 | 2018-12-07 | 重庆泽羲环境科技有限公司 | The multistage and biological reinforced sewage treatment reaction system of oxygen film |
| CN109110918A (en) * | 2018-09-18 | 2019-01-01 | 戚汝常 | A kind of novel SBR-MBR sewage disposal system and technique |
| WO2019169980A1 (en) * | 2018-03-09 | 2019-09-12 | 上海世浦泰膜科技有限公司 | Anaerobic ammonia oxidation-based sewage treatment process using mbr |
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2020
- 2020-01-16 CN CN202010049476.XA patent/CN111115973A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000030742A1 (en) * | 1998-11-23 | 2000-06-02 | Zenon Environmental Inc. | Water filtration using immersed membranes |
| CN101468850A (en) * | 2007-12-26 | 2009-07-01 | 北京工商大学 | Intermittent aeration film bioreactor and sewage treatment method using the same |
| CN201660509U (en) * | 2010-04-29 | 2010-12-01 | 北京碧圣联合水务有限公司 | Batch membrane biological treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111892167A (en) * | 2020-08-27 | 2020-11-06 | 贵州工业职业技术学院 | Method for manufacturing self-generated dynamic membrane bioreactor |
| CN113501575A (en) * | 2021-06-23 | 2021-10-15 | 武汉新烽光电股份有限公司 | In-situ biological membrane carrier reactor for rapid BOD detection |
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Application publication date: 20200508 |