CN211284068U - Waste water purification device - Google Patents
Waste water purification device Download PDFInfo
- Publication number
- CN211284068U CN211284068U CN201921738707.7U CN201921738707U CN211284068U CN 211284068 U CN211284068 U CN 211284068U CN 201921738707 U CN201921738707 U CN 201921738707U CN 211284068 U CN211284068 U CN 211284068U
- Authority
- CN
- China
- Prior art keywords
- layer
- zone
- wastewater
- wastewater purification
- aerobic
- 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
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model belongs to the technical field of waste water purification, concretely relates to waste water purification device. The wastewater purification device comprises an aerobic zone, an anoxic zone and an anaerobic zone, the conversion efficiency of ammonia nitrogen in wastewater is enhanced through matching use, the denitrification level is improved, the water quality is further improved, the device can simultaneously realize the degradation of COD, the degradation of total nitrogen and the chemical removal of phosphate, and can achieve the deep nitrification effect on the domestic wastewater; the aerobic zone can enhance nitrification while improving the oxygen content in the water body, and provides sufficient nitrate for denitrification; the upper layer of the anoxic zone with high dissolved oxygen can strengthen the nitrification of ammonia nitrogen, and the lower layer of the anoxic zone with low dissolved oxygen can carry out denitrification, but the main function of the anoxic zone is to carry out heterotrophic denitrification, fully utilize organic carbon and carry out primary degradation of total nitrogen; the anaerobic zone has a good chemical removal effect on phosphate, and meanwhile, limestone can buffer the influence of acidification and avoid the influence of acidic conditions on microbial communities.
Description
Technical Field
The utility model belongs to the technical field of waste water purification, concretely relates to waste water purification device.
Background
Human living activities cannot be kept away from water. It is estimated that the earth's surface covers 13 hundred million (km)3) The fresh water is only 3000 ten thousand (km)3) Human can directly take only 0.014% of fresh water resources. China is one of countries with abundant water resources, the total amount of the water resources is 28124 billions of cubic meters, and the country occupies the sixth world. However, because of the large population, calculated as 12 hundred million, China only possesses 2340m of water resource3About 1/4, which is the water quantity occupied by all people in the world, the reasonable and effective use of water resources is important day by day.
With the continuous progress of society, the urbanization speed is gradually increased, and the rural environment management becomes one of the main environment management tasks at the present stage. Because rural domestic wastewater discharges dispersedly, the concentration of the domestic sewage that discharges is low, and the change is big, and sewage volume is also less, and ordinary centralized sewage treatment facility has very big limitation in the actual operation in rural area that lacks municipal sewage pipe network. When the traditional water treatment process is used, more processes are needed to realize the nitrogen and phosphorus removal of a low-pollution water body, and a medicament needs to be added, so that the cost is high and the efficiency is low.
Chinese patent document CN107879477A discloses a foldable multistage internal electrolysis subsurface flow constructed wetland, which comprises a foldable multistage internal electrolysis subsurface flow wetland bed and a water outlet channel, wherein the water outlet channel is arranged at the downstream of the foldable multistage internal electrolysis subsurface flow wetland bed; the interior of the bed body of the folding multi-stage internal electrolysis subsurface wetland is divided into three stages according to the flow direction, an aerobic system in the system can not enable the ammonia nitrogen domestic sewage to achieve the deep nitrification effect, and the system is mainly used for treating tail water containing salt in an industrial park and has great limitation on the treatment of rural domestic sewage; and each level of subsurface wetland bed substrate is a coarse gravel layer, a middle gravel layer, a fine gravel layer and a fine gravel layer from bottom to top in sequence, iron carbon is arranged in the middle gravel layer, but the iron carbon has a better effect under an acidic condition, but the iron carbon is easy to be hardened into blocks after being soaked in an acidic medium for a long time, so that the blockage is caused, and the treatment effect is reduced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art rural domestic sewage purification system can not reach the effect of deep nitrification to ammonia nitrogen sewage, defects such as inefficiency, treatment effect are poor to a waste water purification device is provided.
Therefore, the utility model provides the following technical scheme.
The utility model provides a waste water purification device, which comprises,
the aerobic zone is provided with a first filler layer and a first planting layer and is used for realizing nitrification and converting nitrogen-containing organic matters into nitrate nitrogen;
the anoxic zone is communicated with the aerobic zone, is provided with a first supporting layer and a second filler layer and is used for realizing heterotrophic denitrification and converting nitrate nitrogen into nitrogen;
and the anaerobic zone is communicated with the anoxic zone and is provided with a second supporting layer and a third packing layer, wherein the third packing layer is a mixture of limestone and pyrite and is used for realizing autotrophic denitrification and chemical removal of phosphate.
The mass ratio of the limestone to the pyrite is 1: (0.6-1.3).
The aerobic zone is arranged in an upward flowing water mode;
the anoxic zone is arranged in a downward flow water inlet mode;
the anaerobic zone is arranged in a mode of upward flowing water.
The wastewater purification device also comprises a purification area which is communicated with the anaerobic area and used for realizing the degradation of suspended solids.
And a third bearing layer, a fourth packing layer and a second planting layer are arranged in the purification area from bottom to top.
The aerobic zone is provided with an aeration device which comprises an oxygenation device, a solar panel and an aeration pipe.
The power of the aeration device does not exceed 50W.
Further, the anoxic zone and/or the anaerobic zone also comprises an upper cover body.
The first bearing layer, the second bearing layer and the third bearing layer are all cobble layers.
The heights of the first bearing layer, the second bearing layer and the third bearing layer can be the same or different.
And a water-permeable pore plate is also arranged between the first packing layer and the first planting layer.
The first packing layer is an aerobic biological packing layer;
the second packing layer is a light ceramic particle layer;
the fourth packing layer is volcanic rock layer.
The first planting layer is provided with plants such as cress and the like which have strong tolerance and strong pollutant enrichment capacity;
and emergent aquatic plants such as canna which have low requirements on soil and certain ornamental effect are arranged on the second planting layer.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a wastewater purification device, including aerobic zone, anoxic zone, anaerobic zone, through the cooperation use the conversion efficiency of ammonia nitrogen in the waste water of having strengthened, improved the denitrification level, further improved quality of water, the device can realize COD's degradation, total nitrogen's degradation and the chemical removal of phosphate simultaneously, can reach the effect of deep nitrification to domestic wastewater; the aerobic zone can enhance nitrification while improving the oxygen content in the water body, so that sufficient nitrate is provided for denitrification, and the aerobic zone can provide a large amount of attachment places for microorganisms; heterotrophic denitrifying bacteria such as Pseudomonas denitrificans grown on the packing can be used in the anoxic zone, the nitrate nitrogen can be reduced to nitrogen gas by using a biochemical carbon source as an electron donor and nitrogen in nitrate as an electron acceptor, and the area with high dissolved oxygen in the upper layer of the anoxic zone can strengthen ammoniaNitrification of nitrogen, denitrification of the lower-layer low dissolved oxygen region, heterotrophic denitrification, full utilization of organic carbon, and preliminary degradation of total nitrogen; the anaerobic zone has better chemical removal effect on phosphate, a third filler layer is arranged in the anaerobic zone, and the filler is a mixture of limestone and pyrite, namely Fe2+And S-The limestone can be used as an electron donor to strengthen electron transfer, iron ions react with phosphate to generate iron phosphate precipitate, the limestone can provide a slow-release inorganic carbon source, autotrophic denitrification can be still carried out under the condition of a low carbon source, namely, the problem of incomplete denitrification caused by insufficient carbon source in the denitrification process is avoided, and meanwhile, the limestone can buffer the influence of acidification and avoid the influence of acidic conditions on microbial communities.
2. The wastewater purification device provided by the utility model has the arrangement forms of upward flow water inlet, downward flow water inlet and upward flow water inlet in the aerobic zone, the anoxic zone and the anaerobic zone, so that the risk of blockage is reduced;
the device is also provided with a purification area, so that solid suspended matters which are difficult to degrade can be further reduced, and the water quality is improved. The utility model discloses a set up the lid in anoxic zone and anaerobic zone, can reduce weather and air to the influence of oxygen deficiency, anaerobic environment.
The aerobic zone in the device is also provided with an aeration device, and the aeration device contains a solar panel, thereby playing the role of saving energy.
3. The utility model provides a wastewater purification device, the first packing layer is light packing, the specific surface area is large, and a large number of attachment places can be provided for microorganisms; the second packing layer is a light ceramic particle layer and has a higher specific surface area; the fourth packing layer is a volcanic rock layer, the volcanic rock has high specific surface area and strong adsorption capacity, and can intercept residual suspended solids such as iron phosphate, ferric hydroxide, ore chips and the like generated in the front reaction area, so that the quality of effluent water is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a plan view of a wastewater purification apparatus according to example 1 of the present invention;
FIG. 2 is a front view of a wastewater purification apparatus according to example 1 of the present invention;
FIG. 3 is a schematic structural view of an anoxic zone in example 1 of the present invention;
FIG. 4 is a schematic view showing the arrangement of an aeration tube in an aerobic zone in example 1 of the present invention;
FIG. 5 is a plan view of the wastewater purification apparatus of comparative example 2 of the present invention;
reference numerals:
1-a wastewater purification device; 2-an aerobic zone; 3-anoxic zone; 4-an anaerobic zone; 5-a purification zone; 6-a water inlet pipeline; 7-a first conduit; 8-a second conduit; 9-a third conduit; 10-a water outlet; 11-oxygenation means; 12-upper and lower water distributors; 13-a first packing layer; 14-a first planting layer; 15-crop cress; 16-a first support layer; 17-a third packing layer; 18-a fourth packing layer; 19-crop canna; 20-a second packing layer; 21-a solar panel; 22-an aerator pipe; 23-a second support layer; 24-a third support layer; 25-a water-permeable pore plate; 26-second planting layer.
Detailed Description
The following examples are provided for better understanding of the present invention, and are not limited to the best mode, and do not limit the scope and content of the present invention, and any product that is the same or similar to the present invention, which is obtained by combining the features of the present invention with other prior art or the present invention, falls within the scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
Example 1
The embodiment provides a wastewater purification device 1, which comprises an aerobic zone 2, an anoxic zone 3 and an anaerobic zone 4, and is shown in figures 1 and 2;
the aerobic zone 2 comprises a first packing layer (aerobic biological packing layer) 13 and a first planting layer (crops planted are cress 15, soil of the first planting layer is clay) 14, is used for realizing nitrification, converting nitrogen-containing organic matters into nitrate nitrogen and providing sufficient nitrate for denitrification, wastewater in the aerobic zone adopts upward inflow, the first planting layer and the first packing layer are separated by a water-permeable pore plate 25, a water inlet pipeline 6 is also arranged below the aerobic zone, the water inlet pipeline is a UPVC (unplasticized polyvinyl chloride) material pipeline of DN50, the wastewater is discharged into wastewater to be purified through the water inlet pipeline, and the wastewater enters the aerobic biological packing layer through an upper-lower water distributor 12 and then enters the first planting layer through the water-permeable pore plate 25;
the anoxic zone 3 comprises a first supporting layer (cobblestone layer) 16 and a second packing layer (light ceramsite layer) 20, as shown in fig. 3, the anoxic zone is mainly used for realizing heterotrophic denitrification, reducing nitrate nitrogen into nitrogen, fully utilizing organic carbon and strengthening total nitrogen degradation, wastewater in the anoxic zone enters water by downward flow, the second packing layer 20 is communicated with the first packing layer 13 through a first pipeline 7, the first pipeline is made of DN50UPVC, the wastewater flows into the second packing layer of the anoxic zone from a first planting layer of the aerobic zone through the first pipeline 7 and then flows into the first supporting layer 16, and then flows into a second pipeline 8 after passing through an upper water distributor 12 and a lower water distributor 12, and the second pipeline is made of DN50 UPVC; the anoxic zone is also provided with an upper cover body for reducing the influence of weather and air on the environment of the anoxic zone;
the anaerobic zone 4 comprises a second supporting layer (cobble layer) 23 and a third packing layer (the packing is a mixture of limestone and pyrite with the mass ratio of 1: 1) 17, and is used for realizing the chemical removal and autotrophic denitrification of phosphate, wastewater flows upwards in the anaerobic zone, passes through a second pipeline 8, then enters the second supporting layer 23 of the anaerobic zone after passing through an upper-lower water distributor 12, and then passes through the third packing layer 17 to obtain purified wastewater; the anaerobic zone is also provided with an upper cover body for reducing the influence of weather and air on the anaerobic environment;
as an improved implementation mode, the device further comprises a purification area 5, wherein the purification area comprises a second planting layer (soil of the second planting layer is clay, crops are canna 19), 26, a fourth packing layer (volcanic rock layer) 18 and a third bearing layer 24, the second planting layer is communicated with the anaerobic area 4 through a third pipeline 9 and is used for realizing degradation of suspended solids, the third pipeline is made of DN50UPVC, a water outlet 10 is further arranged below the purification area, and after passing through the second planting layer, the fourth packing layer and the third bearing layer in sequence, the wastewater enters the water outlet 10 from the upper-lower water distributor 12 and is discharged to obtain purified wastewater.
As another improved embodiment, the aerobic zone further comprises an aeration device, the aeration device comprises a solar panel 21, an oxygenation device 11 and an aeration pipe 22, the material of the aeration pipe is a UPVC pipeline of DN15, the aeration pipe is arranged at the middle position of the upper and lower water distributors and the bottom of the first filler layer, aeration is carried out by punching holes upwards at equal distance on the UPVC pipeline of DN15, the arrangement condition of the aeration pipe in the aerobic zone is shown in figure 4 and is mainly used for reflecting the arrangement condition of the aeration pipe in the aerobic zone; wherein, solar panel can play energy saving and emission reduction's effect.
As a best implementation mode, as shown in fig. 1 and fig. 2, the wastewater purification device comprises an aerobic zone 2, an anoxic zone 3, an anaerobic zone 4, a purification zone 5 and an aeration device, and the device can simultaneously realize the degradation of COD, the degradation of total nitrogen and the chemical removal of phosphate, can achieve the deep nitrification effect on domestic wastewater, and can further reduce the solid suspended matters difficult to degrade and improve the water quality.
Comparative example 1
The present comparative example provides a wastewater purification apparatus comprising an aerobic zone 2, an anoxic zone 3, an anaerobic zone 4 and a purification zone 5, as shown in fig. 2;
the aerobic zone 2 comprises a first packing layer (aerobic biological packing layer) 13 and a first planting layer (crops planted are cress 15, soil of the first planting layer is clay) 14, is used for realizing nitrification, converting nitrogen-containing organic matters into nitrate nitrogen and providing sufficient nitrate for denitrification, wastewater in the aerobic zone adopts upward inflow, the first planting layer and the first packing layer are separated by a water-permeable pore plate 25, a water inlet pipeline 6 is also arranged below the aerobic zone, the water inlet pipeline is a UPVC (unplasticized polyvinyl chloride) material pipeline of DN50, the wastewater is discharged into wastewater to be purified through the water inlet pipeline, and the wastewater enters the aerobic biological packing layer through an upper-lower water distributor 12 and then enters the first planting layer through the water-permeable pore plate 25; the aerobic zone also comprises an aeration device, the aeration device comprises a solar panel 21, an oxygenation device 11 and an aeration pipe 22, the material of the aeration pipe is a UPVC pipeline of DN15, and the aeration pipe is arranged at the middle position of the bottom of the upper and lower water distributors and the first filler layer;
the anoxic zone 3 comprises a first supporting layer (cobble layer) 16 and a second packing layer (light ceramsite layer) 20, and is mainly used for realizing denitrification, reducing nitrate nitrogen into nitrogen, fully utilizing organic carbon and strengthening total nitrogen degradation, wastewater in the anoxic zone flows downwards to enter water, the second packing layer 20 is communicated with the first packing layer 13 through a first pipeline, the first pipeline is made of DN50UPVC, the wastewater flows into the second packing layer of the anoxic zone from a first planting layer of the aerobic zone through the first pipeline 7 and then flows into the first supporting layer, and then flows into the second pipeline 8 after passing through the upper and lower water distributors 12, and the second pipeline is made of DN50 UPVC; the anoxic zone is also provided with an upper cover body for reducing the influence of weather and air on the environment of the anoxic zone;
the anaerobic zone 4 comprises a second supporting layer (cobble layer) 23 and a third packing layer (the packing is iron carbon) 17 for realizing chemical removal and denitrification of phosphate, wastewater flows upwards in the anaerobic zone, passes through an upper-lower type water distributor 12 after passing through a second pipeline, then enters the second supporting layer 23 of the anaerobic zone, then passes through the third packing layer, and then enters the purification zone through a third pipeline 9, wherein the material of the third pipeline is DN50 UPVC; the anaerobic zone is also provided with an upper cover body for reducing the influence of weather and air on the anaerobic environment;
the purification area 5 comprises a second planting layer (soil of the second planting layer is clay, crops are canna 19), 26, a fourth packing layer (volcanic rock layer) 18 and a third bearing layer 24, a water outlet is further formed below the purification area, and wastewater enters the water outlet from the upper and lower water distributors 12 after sequentially passing through the second planting layer, the fourth packing layer and the third bearing layer and is discharged to obtain purified wastewater.
Comparative example 2
This comparative example provides a wastewater purification zone comprising an aerobic zone 2, an anaerobic zone 4 and a purification zone 5, as shown in figure 5;
the aerobic zone 2 comprises a first packing layer (aerobic biological packing layer) 13, a first planting layer (crops are cress, soil of the first planting layer is clay) 14 and an aeration device, the first planting layer and the first packing layer are separated through a water-permeable pore plate 25, the aeration device comprises a solar panel 21, an oxygenation device 11 and an aeration pipe 22, the aeration pipe is a UPVC (unplasticized polyvinyl chloride) pipeline of DN15, aeration is carried out by punching holes upwards at equal intervals on the UPVC pipeline of DN15, the structure of the aeration pipe in the aerobic zone is shown in figure 3, figure 3 is a top view of the aerobic zone, a water inlet pipeline 6 is also arranged below the aerobic zone, the water inlet pipeline is a pipeline made of the UPVC material of DN50, wastewater is discharged into wastewater to be purified through the water inlet pipeline, the wastewater enters the aerobic biological packing layer through an upper water distributor 12 and a lower water distributor 25 and then enters the first planting layer; the aerobic zone also comprises an aeration device, the aeration device comprises a solar panel 21, an oxygenation device 11 and an aeration pipe 22, the material of the aeration pipe is a UPVC pipeline of DN15, and the aeration pipe is arranged at the middle position of the bottom of the upper and lower water distributors and the first filler layer;
the anaerobic zone 4 comprises a second supporting layer (cobble layer) 23 and a third packing layer (the packing is a mixture of limestone and pyrite with the mass ratio of 1: 1) 17, wastewater flows into the second supporting layer 16 of the anaerobic zone from the first planting layer of the aerobic zone, then flows into the purification zone through a third pipeline 9 after passing through the third packing layer, and the material of the third pipeline is DN50 UPVC; the anaerobic zone is also provided with an upper cover body for reducing the influence of weather and air on the anaerobic environment;
the purification area 5 comprises a second planting layer (soil of the second planting layer is clay, crops are canna 19), 26, a fourth packing layer (volcanic rock layer) 18 and a third bearing layer 24, a water outlet is further formed below the purification area, and wastewater enters the water outlet from the upper and lower water distributors 12 after sequentially passing through the second planting layer, the fourth packing layer and the third bearing layer and is discharged to obtain purified wastewater.
Test examples
The test example tests the Chemical Oxygen Demand (COD), ammonia nitrogen, total phosphorus and suspended matter (SS) in water in the wastewater of the optimal embodiment in example 1, comparative example 1 and comparative example 2, the aerobic zone outlet wastewater, the anoxic zone outlet wastewater, the anaerobic zone outlet wastewater and the purification zone outlet wastewater, and concretely shows in table 1;
the COD content in the wastewater is tested by the following method: measuring national standard chemical oxygen demand (GB 11914-89);
the method for testing the ammonia nitrogen content in the wastewater comprises the following steps: narse reagent photometry (GB 7479-87);
the method for testing the total nitrogen content in the wastewater comprises the following steps: potassium persulfate oxidation-ultraviolet spectrophotometry (GB 11894-89);
the method for testing the total phosphorus content in the wastewater comprises the following steps: ammonium molybdate spectrophotometry (GB 11893-89);
the method for testing the SS content in the wastewater comprises the following steps: gravimetric method (GB 11901-89);
TABLE 1 contents of COD, Ammonia Nitrogen, Total phosphorus and SS in the wastewater
It can be known from table 1 that embodiment 1 promptly the utility model discloses can realize the chemical of COD's degradation, total nitrogen and phosphate simultaneously and get rid of, effectively reduce the chemical oxygen demand (abbreviation COD) of waste water, ammonia nitrogen, total phosphorus and the content of aquatic suspended solid (SS for short) in for short.
Example 1 in comparison to comparative example 1, it is shown that the third packing layer in the anaerobic zone is a mixture of limestone and pyrite, which helps to reduce the total phosphorus and suspended matter content in the wastewater, and at the same time, allows the denitrification to proceed more thoroughly;
example 1 compares to comparative example 2 to demonstrate that the provision of an anoxic zone may enhance total nitrogen degradation.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.
Claims (10)
1. A wastewater purification device is characterized by comprising,
the aerobic zone is provided with a first filler layer and a first planting layer and is used for realizing nitrification and converting nitrogen-containing organic matters into nitrate nitrogen;
the anoxic zone is communicated with the aerobic zone, is provided with a first supporting layer and a second filler layer and is mainly used for realizing heterotrophic denitrification and converting nitrate nitrogen into nitrogen;
and the anaerobic zone is communicated with the anoxic zone and is provided with a second supporting layer and a third packing layer, wherein the third packing layer is a mixture of limestone and pyrite and is used for realizing autotrophic denitrification and chemical removal of phosphate.
2. The wastewater purification apparatus according to claim 1, wherein the mass ratio of the limestone to the pyrite is 1: (0.6-1.3).
3. The wastewater purification apparatus according to claim 1 or 2, wherein the aerobic zone is provided in the form of an upward-flow influent;
the anoxic zone is arranged in a downward flow water inlet mode;
the anaerobic zone is arranged in a mode of upward flowing water.
4. The wastewater purification apparatus of claim 1 or 2, further comprising a purification zone in communication with the anaerobic zone for effecting degradation of the suspended solids.
5. The wastewater purification device of claim 4, wherein a third bearing layer, a fourth packing layer and a second planting layer are arranged in the purification area from bottom to top.
6. Wastewater purification apparatus according to claim 1 or 2, characterized in that the aerobic zone is provided with aeration means, including oxygenation means, solar panels and aeration pipes.
7. The wastewater purification apparatus of claim 1 or 2, wherein the anoxic and/or anaerobic zone further comprises an upper cover.
8. The wastewater purification apparatus according to claim 1 or 2, wherein the first, second and third bearing layers are all cobble layers.
9. The wastewater purification apparatus according to claim 1 or 2, wherein a water-permeable pore plate is further provided between the first filler layer and the first planting layer.
10. The wastewater purification apparatus according to claim 5, wherein the first filler layer is an aerobic biological filler layer;
the second packing layer is a light ceramic particle layer;
the fourth packing layer is volcanic rock layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921738707.7U CN211284068U (en) | 2019-10-16 | 2019-10-16 | Waste water purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921738707.7U CN211284068U (en) | 2019-10-16 | 2019-10-16 | Waste water purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211284068U true CN211284068U (en) | 2020-08-18 |
Family
ID=72033330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921738707.7U Active CN211284068U (en) | 2019-10-16 | 2019-10-16 | Waste water purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211284068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116332343A (en) * | 2023-05-22 | 2023-06-27 | 江苏省环境工程技术有限公司 | Sulfur autotrophic denitrification sulfur-based magnetic filler and preparation method and application thereof |
-
2019
- 2019-10-16 CN CN201921738707.7U patent/CN211284068U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116332343A (en) * | 2023-05-22 | 2023-06-27 | 江苏省环境工程技术有限公司 | Sulfur autotrophic denitrification sulfur-based magnetic filler and preparation method and application thereof |
| CN116332343B (en) * | 2023-05-22 | 2023-08-18 | 江苏省环境工程技术有限公司 | Sulfur autotrophic denitrification sulfur-based magnetic filler and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Khan et al. | Sustainable options of post treatment of UASB effluent treating sewage: a review | |
| US4415450A (en) | Method for treating wastewater using microorganisms and vascular aquatic plants | |
| CN102149645B (en) | Sludge treatment method and apparatus thereof and application to wastewater bio-treatment | |
| CN103121754B (en) | A kind of denitrification dephosphorization technique | |
| Lu et al. | Assessment of the treatment of domestic sewage by a vertical-flow artificial wetland at different operating water levels | |
| CN108314186B (en) | Aerobic-anaerobic-aerobic three-phase efficient oxygen supplementing wetland system | |
| AU2020103245A4 (en) | A device for enhancing denitrification by combining a horizontal subsurface flow with a vertical flow CW-MFC system in series and an operation method thereof | |
| del Castillo et al. | A review of the sustainability of anaerobic reactors combined with constructed wetlands for decentralized wastewater treatment | |
| Khan et al. | Sustainable post treatment options of anaerobic effluent | |
| CN112897696A (en) | Device and method for biological nitrogen and phosphorus removal based on staged water inflow | |
| CN218910039U (en) | Efficient mud membrane symbiotic denitrification and dephosphorization sewage treatment system | |
| CN113264641A (en) | Multistage ecological wetland high-efficiency purification system | |
| Kumwimba et al. | Performance of various fillers in ecological floating beds planted with Myriophyllum aquaticum treating municipal wastewater | |
| CN209872514U (en) | Composite ecological reactor based on A2O | |
| CN211284068U (en) | Waste water purification device | |
| CN103435157A (en) | Low-energy and intelligent three-dimensional ecological internal circulation nitrification method and apparatus | |
| CN209835753U (en) | Biomembrane reactor of high-efficient denitrogenation of sewage | |
| CN108341495B (en) | Three-phase overflow efficient oxygen supplementing wetland system | |
| CN212356921U (en) | Decentralized rural sewage treatment device | |
| CN211921027U (en) | Biological-ecological combined sewage treatment device | |
| CN210103705U (en) | Environment-friendly efficient composite domestic sewage treatment system for thermal power plant | |
| CN210367122U (en) | Folded plate flow artificial wetland system for strengthening removal of nitrogen and phosphorus | |
| CN209065652U (en) | Integrated domestic sewage treatment system | |
| CN110921999A (en) | High-energy-saving sewage multi-layer percolation purification treatment method | |
| CN205368018U (en) | Handle distributed domestic sewage's integrated equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210918 Address after: 224000 third floor, Block E, mass innovation center, environmental protection technology city, Tinghu District, Yancheng City, Jiangsu Province Patentee after: JIANGSU GUOCHUANG NEW MATERIALS RESEARCH CENTER Co.,Ltd. Address before: 210012 No. 7 Yingcui Road, Jiangning Economic and Technological Development Zone, Nanjing City, Jiangsu Province Patentee before: NANJING HUACHUANG INSTITUTE OF ENVIRONMENTAL TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |