CN107098476A - A kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water - Google Patents
A kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water Download PDFInfo
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- CN107098476A CN107098476A CN201710380510.XA CN201710380510A CN107098476A CN 107098476 A CN107098476 A CN 107098476A CN 201710380510 A CN201710380510 A CN 201710380510A CN 107098476 A CN107098476 A CN 107098476A
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- wet land
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The present invention is a kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water, including distribution reservoir, processing unit, tumbler and discharge bay, the processing unit is close to be arranged in the middle of distribution reservoir and discharge bay, sewage enters distribution reservoir and enters processing unit after physical sedimentation, pollutant passes through filling adsorption in processing unit, after microbial degradation and plant absorption effect, the water being cleaned enters discharge bay and is used to discharge and utilize, processing unit is linked with tumbler, tumbler drives processing unit around middle shaft rotation with anti-blocking and thin stifled, sewage sequentially passes through distribution reservoir, processing unit, discharge bay.Advantage：More environmentally friendly comprehensive wet land treating system, can effectively prevent with treatment wetland block, it is simple in construction, it is easy to use and be readily produced installation and upgrade replacement.
Description
Technical field
The present invention relates to a kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water.
Background technology
Artificial swamp is a kind of sewage disposal system with higher environmental value of artificial reconstructed design, mainly by filling out
Material, plant and microorganism group are into having the advantages that ecology, landscape, low cost, do not produce secondary pollution.Because China human mortality is many
Many, the sewage quantity of generation is big, therefore reduction cost of sewage disposal has a very big significance.Simultaneously for the water outlet of sewage plant, utilize
Wet land system carries out advanced treating and is conducive to reducing the help river channel natural reparation of pollution of river load.
But it is due to that artificial swamp relies primarily on the microbial film grown on filler and the continuous breeding of plant roots and stems spouts row newly
It is old to be metabolized to handle sewage, then necessarily lead to some metabolites, rotten root system of plant, add failing in original sewage
The bulky grain organic matter being metabolized in time and the suspended material that can not be metabolized so that filler hole is constantly blocked.This serious shadow
The treatment effeciency of Wetlands on Wastewater has been rung, has shortened the run time of wetland.
The existing technology for Wetland clogging is generally divided into both direction.One is that wetland structure and the method for operation are carried out
Improve, such as《A kind of device for extending the composite vertical current artificial wetland length of service》（ZL201320304263 .2）.Or to people
The single processing unit of work wetland is improved, such as《A kind of anti-blocking method for artificial wetland》（ZL200910199880 .9）Improve
Pretreatment unit,《A kind of novel wetland perforation water distributor》（ZL201420238845 .X）Water distribution wall paper water pipe is carried out excellent
Change.These technologies belong to prevention and block the technology occurred with delaying, it is impossible to solve blockage problem at all.
Another kind of technology is to carry out dredging stifled after for Wetland clogging occurring.The existing technology master blocked for treatment wetland
Concentrate on：Lay the backwash network of rivers or alternately tamper is gone out wet land system by Inlet and outlet water direction, such as《One kind extension is compound
The device of the vertical current constructed wetland length of service》（ZL201320304263 .2).Lay aeration pipe network and carry out the micro- life of aeration promotion
Thing carries out oxidation Decomposition to tamper, such as《Quasi-undercurrent aeration constructed wetlands》（ZL200910222207 .2）.Entered using ultrasonic wave
Row dredges stifled, such as《A kind of artificial swamp dredges block apparatus and application with ultrasonic wave》（ZL201410131261 .7）.These methods are usual
Need the equipment laid complex grid, high price is set.A part of organic pollutant is contained in tamper, and due to blocking
Upper strata at wetland water is typically occurred in, also there is larger remaining pollutant carrying capacity for wetland, physics side is directly utilized
Method dredge it is stifled seem more " waste ".
The content of the invention
Proposed by the present invention is a kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water, its purpose
It is intended to overcome the drawbacks described above present in prior art, more environmentally friendly comprehensive wet land treating system can be prevented effectively
With treatment wetland block, it is simple in construction, it is easy to use and be readily produced installation and upgrade replacement.
Technical scheme：A kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water, bag
Distribution reservoir, processing unit, tumbler and discharge bay are included, the processing unit is close to be arranged in the middle of distribution reservoir and discharge bay,
Sewage enters distribution reservoir and enters processing unit after physical sedimentation, and pollutant passes through filling adsorption, microorganism in processing unit
After degraded and plant absorption effect, the water being cleaned enters discharge bay and is used to discharge and utilize, processing unit and tumbler chain
Connect, tumbler drives processing unit around middle shaft rotation with anti-blocking and thin stifled, and sewage sequentially passes through distribution reservoir, processing unit, gone out
Pond.
Compared with prior art, the beneficial effects of the invention are as follows：
1）Processing unit is connected with tumbler in system, and processing unit is pivoted under tumbler drive, fully profit
Filler pollutant carrying capacity is used, the pollutant resolving time can be extended and make metabolite and difficult utilize avoid blocking up outside material discharger
Plug；
2）System is provided with distribution reservoir, is first dropped before sewage enters processing unit, removes part large particulate matter in water, risen
To prevention effect；
3）System be provided with discharge bay, difficult decomposed substance by water purification take out of after in discharge bay settle, can effectively reduce and bring river course into
Amount；
4）Processing unit generally environment friendly light plastics, simple in construction in system, can manufacture, filler in processing unit
For light porous material, processing unit is integrally replaced, upgraded, taking out regeneration conveniently；
5）Dividing plate is provided with system in processing unit, sewage hydraulic detention time can be effectively increased, polluter is filled in processing
Enter to act charitably in putting anaerobism alternate treatment, pollutant is fully degraded and is absorbed；
6）Enough effectively section dirts are handled in system, filler upper strata kind has plant, strengthens treatment effect；
7）Without complicated pipeline and expensive device in system, only simple and mechanical tumbler utilizes a small amount of electric power or wetland management
Personnel and manpower effect is lower to drive processing unit to rotate.
Brief description of the drawings
Fig. 1 is system A-A sectional views.
Fig. 2 is the system top view.
Fig. 3 is the system processing unit stereogram.
Fig. 4 is the system layout.
In figure：1 is distribution reservoir, and 2 be processing unit, and 3 be discharge bay, and 4 be tumbler, and 5 be water inlet, and 6 be distribution reservoir
Pond body, 7 be water distributing pore, and 8 be perforate, and 9 be filler, and 10 be soil matrix, and 11 be wetland plant, and 12 be dividing plate, and 13 be processing dress
Housing is put, 14 be fixing tooth, and 15 be apopore, and 16 be discharge outlet, and 17 be discharge bay pond body, and 18 be rotating shaft.
Embodiment
A kind of anti-clogging artificial wet land system applied to sanitary sewage and low-pollution water, including distribution reservoir, processing unit,
Tumbler and discharge bay, the processing unit are close to be arranged in the middle of distribution reservoir and discharge bay, and sewage enters distribution reservoir through thing
Enter processing unit after reason precipitation, pollutant is by filling adsorption, microbial degradation and plant absorption effect in processing unit
Afterwards, the water being cleaned enters discharge bay and is used to discharge and utilize, and processing unit is linked with tumbler, tumbler drive processing
Device is around middle shaft rotation with anti-blocking and thin stifled, and sewage sequentially passes through distribution reservoir, processing unit, discharge bay.
Water inlet and water distributing pore are provided with the pond body of the distribution reservoir.
The dividing plate of device axis is intersected in the processing unit provided with polylith, quantity is determined with water quality and quantity, it is described every
Plate is fixed on processing unit housing, dividing plate upper end with along parallel, dividing plate lower end is not contacted with bottom of device on processing unit housing,
And leave light porous filler is filled with distance, processing unit, packing material size and the number of plies can be selected according to processing requirement, for allowing
Microorganism adheres to, and pollutant is retained；Soil matrix planting plants topmost are filled with, nitrogen, the phosphorus gone using plant in water removal is dirty
Thing is contaminated, processing unit external bottom end is provided with fixing tooth, fixed for making processing unit with rotating transposition, each section during system operation
Processing unit rotation is made next processing space receive water by the time, and rotation period should be determined according to wetland running situation, often
After secondary rotation, the processing space load for not receiving water directly is relatively small, and pollutant is sufficiently absorbed, degraded, simultaneously
The impurity that can not be absorbed degraded in the processing space being connected with discharge bay will take processing unit out of by current, it is to avoid block；
Perforate is set on processing unit housing, and bottom sets fixing tooth to be connected with tumbler, and processing unit housing is round
Column construction, uses environment friendly light plastics.
Apopore and discharge outlet are provided with the pond body of the discharge bay.
The distribution reservoir pond body is concrete brick structure, and it is curved wall, curved wall that distribution reservoir, which contacts one side with processing unit,
It is brought into close contact with processing unit, curved wall is provided with water distributing pore, back side wall is provided with water inlet, and water inlet is omited than water distributing pore
It is high.
Column processing unit is divided into several processing spaces, each processing space alignment processing device shell by the dividing plate
Perforate is designed with body, perforate density is determined with water quality and quantity, the processing unit each handles perforate and the distribution reservoir in space
Water distributing pore and discharge bay apopore it is identical on height, shape, size and arrangement mode and correspond；The apopore
It is highly identical with distribution reservoir water distributing pore.
The tumbler is used for processing unit around middle shaft rotation, and a processing space is rotated every time, is made adjacent next
Individual processing space receives water, and rotation period should be determined according to wetland running situation.
The sewage enters purifier after distribution reservoir precipitation, is purified through microbial action and plant absorption, from
Discharge bay is discharged, and processing unit is divided into multiple processing spaces by dividing plate, and tumbler is used to make processing unit rotate around the axis,
The processing space underused is allowed in processing unit directly to receive sewage, using the remaining pollutant carrying capacity of filler, and load is higher
Part obtain " resting ", large particulate matter is fully degraded, the material that can not be degraded in final process space will be taken out of by water,
Blocking is not formed.
The present invention is illustrated further below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, a kind of anti-clogging artificial wet land system constructing technology that this wetland constructing technology is related to, including
Distribution reservoir 1, processing unit 2, discharge bay 3, tumbler 4.Wherein processing unit 2 is bucket column, is close to be arranged on the He of distribution reservoir 1
Between discharge bay 3, it is connected with tumbler 4 by fixing tooth 14.
Distribution reservoir pond body 6 is concrete brick structure, and one side is contacted with processing unit 2 for convenience of the arcuate structure of laminating.It is dirty
Water enters distribution reservoir 1 by water inlet 5, and processing is exited into by water distributing pore 7 after physics sedimentation removes bulky grain suspension
Device 2 carries out purified treatment.Water inlet 5 should be more slightly higher than water distributing pore 7.
As shown in Figure 1, Figure 2, Figure 3 shows, processing unit housing 13 is environment friendly light plastics, can select environment-friendly type PVC.Processing
The dividing plate 12 of device axis is intersected in device 2 provided with polylith, material is identical with processing unit housing 13, by column processing unit
2 are divided into several processing spaces.Two pieces of dividing plates 12 can be used, it is intersecting in 90 °, produce 4 processing spaces, specific set-up mode
It should be determined depending on processing water water quality and quantity.Dividing plate 12 is fixed on processing unit housing 13, the upper end of dividing plate 12 and processing unit housing
Along parallel on 13, the lower end of dividing plate 12 is not contacted with the bottom of processing unit housing 13, and is left certain distance and facilitated water.
Filler 9 is filled with processing unit 2, packing material size and the filling number of plies can be selected according to processing requirement, filler 9 can
Make attached growth of microorganisms biomembrane, and can be to pollutant in water effectively catching.Filler 9 is light porous filler, is added
The whole material of processing unit 2 is light plastic so that whole processing unit 2 is easy to produce, installed, and safeguards, replaces, rises
Level, regeneration.The top of filler 9 is that soil matrix 10 is used to plant wetland plant 11.
Some perforates 8 are provided with each processing space alignment processing device case 13 isolated by dividing plate 12, specifically
Perforate density should be determined depending on processing water water quality and quantity.The perforate 8 of each processing spatially is with water distributing pore 7 and apopore 15 in height
Identical and one-to-one corresponding on degree, size, shape and arrangement mode.Perforate 8 of the water from the processing being connected with distribution reservoir 1 spatially
Into processing unit 2, the " U "-shaped flowing under the throttling of dividing plate 12, from the perforate 8 of the processing being connected with discharge bay 3 spatially
Flow out processing unit 2.This setup can extend hydraulic detention time, make pollutant under anaerobism, aerobic microbiological effect
Fully decompose and absorb.
18 rotation around the shaft under the drive of tumbler 4 of processing unit 2, rotates a processing space, makes adjacent every time
Processing space receive water, make full use of filler pollutant carrying capacity, increase the pollutant resolving time, reduce blocking probability.With going out
The impurity that can not be utilized and microbial metabolic products in the adjacent processing space in pond 3 will be gone out by water by perforate 8.Rotate
Cycle should be considered by water quality and quantity and wetland situation.
The concrete brick structure of discharge bay pond body 17, one side is contacted with processing unit 2 for convenience of the arcuate structure of laminating.Purification
Water afterwards enters discharge bay by apopore 15, is discharged after precipitation by discharge outlet 16.
Present treatment system can carry out series, parallel installation as shown in Figure 4.
Embodiment
Sewage raw water enters five one-level wet land systems that parallel connection is arranged, each one-level wetland after pipeline shunt
Two grades of wet land systems are in series with after system, it is secondary that sewage flows into two grades of wet land systems progress after the processing of one-level wet land system
Processing.
Cylindricality processing unit radius is 5m in the one-level wet land system, and a height of 2m, housing is environment-friendly type PVC material.Place
Provided with two pieces of dividing plates for intersecting at processing unit axis in 90 ° in reason device, the high 1.5m of dividing plate is arranged on away from processing unit bottom
At 0.5m, on dividing plate along with device along parallel.Dividing plate is fixed on device inwall.A diameter of 40mm is filled with processing unit
Light porous filler.Filler upper end is covered with the thick soil of 30cm, is used as the growth substrate of plant.Plant choosing be canna,
Thaliadeabata, mullet grass, wilson iris, Arundo donax, are staggeredly planted in soil.In each processing space, at the 25cm of top
It is provided with 15 40cm square openings, in one line, water distribution uniformity.Processing unit bottom fixing tooth is mutually fixed with tumbler and used
With the rotation of processing unit, rotating shaft is processing unit axis.Processing unit rotates 90 ° every time, rotates be both needed to wetland every time
Running situation is used as basis for estimation.Distribution reservoir and discharge bay are that concrete and brick masonry are formed, and two tank volume shapes are equal
Identical, pond body distalmost end wall connects away from processing unit axis 8m, most proximal end wall away from processing unit axis 3.8m with processing unit
Synapsis is curved wall, and pond can be considered as to cuboid in addition, and pond is wide with assembly dia is handled for 10m, and pond is same with processing unit
A height of 2m.Two ponds be provided with curved wall with one-to-one 15 40cm square openings of processing unit, be water distributing pore and water outlet
Hole.There is water inlet on the distribution reservoir wall farthest apart from processing unit, orifice diameter is along 30cm on 400mm, distance of center circle distribution reservoir.
There is discharge outlet on the discharge bay wall farthest apart from processing unit, orifice diameter is along 60cm on 400mm, distance of center circle distribution reservoir.
Two grades of wet land systems are few due to carrying out water impurity, and rotation period is long, therefore are setting by cylindricality processing unit radius
For 8m, a height of 2m, power during increase hydraulic retention.Distribution reservoir and discharge bay pond body distalmost end wall are away from processing unit axis 11m, most
Near-end wall is away from processing unit axis 6m, and pond is wide with assembly dia is handled for 16m, and pond is with processing unit with a height of 2m.Remaining is not
Refer to that setting is identical with one-level wetland.
Claims (8)
1. a kind of anti-clogging artificial wet land system applied to sanitary sewage and low-pollution water, it is characterised in that including distribution reservoir,
Processing unit, tumbler and discharge bay, the processing unit are close to be arranged in the middle of distribution reservoir and discharge bay, and sewage enters and matched somebody with somebody
Pond enters processing unit after physical sedimentation, and pollutant passes through filling adsorption, microbial degradation and plant in processing unit
After absorption, the water being cleaned enters discharge bay and is used to discharge and utilize, and processing unit is linked with tumbler, tumbler
Drive processing unit around middle shaft rotation with anti-blocking and thin stifled, sewage sequentially passes through distribution reservoir, processing unit, discharge bay.
2. a kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water according to claim 1, its
It is characterised by, water inlet and water distributing pore is provided with the pond body of distribution reservoir.
3. a kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water according to claim 1, its
It is characterised by intersecting at the dividing plate of device axis provided with polylith in processing unit, quantity determines that the dividing plate is consolidated with water quality and quantity
Due to processing unit housing, dividing plate upper end with along parallel, dividing plate lower end is not contacted with bottom of device, and is stayed on processing unit housing
Have and light porous filler is filled with distance, processing unit, packing material size and the number of plies can be selected according to processing requirement, for allowing micro- life
Thing adheres to, and pollutant is retained；Soil matrix planting plants topmost are filled with, the nitrogen and phosphorus pollution thing gone using plant in water removal,
Processing unit external bottom end is provided with fixing tooth, is fixed for making processing unit with rotating transposition, per a period of time during system operation
Next processing space is set to receive water processing unit rotation, rotation period should be determined according to wetland running situation, be turned every time
After dynamic, the processing space load for not receiving water directly is relatively small, and pollutant is sufficiently absorbed, degraded, while with going out
The impurity that can not be absorbed degraded in the connected processing space in pond will take processing unit out of by current, it is to avoid block；Processing
Perforate is set on device case, and bottom sets fixing tooth to be connected with tumbler, and processing unit housing is cylinder
Structure, uses environment friendly light plastics.
4. a kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water according to claim 1, its
It is characterised by, apopore and discharge outlet is provided with the pond body of the discharge bay.
5. a kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water according to claim 1, its
It is characterised by, distribution reservoir pond body is concrete brick structure, and it is curved wall, curved wall and place that distribution reservoir, which contacts one side with processing unit,
Reason device is brought into close contact, and curved wall is provided with water distributing pore, and back side wall is provided with water inlet, and water inlet is more slightly higher than water distributing pore.
6. a kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water according to claim 3, its
It is characterised by, column processing unit is divided into several processing spaces, each processing space alignment processing device case by dividing plate
On be designed with perforate, perforate density determines with water quality and quantity, and the processing unit each handles perforate and the distribution reservoir in space
The apopore of water distributing pore and discharge bay is identical on height, shape, size and arrangement mode and corresponds；The apopore with
Distribution reservoir water distributing pore is highly identical.
7. a kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water according to claim 1, its
It is characterised by, tumbler is used for processing unit around middle shaft rotation, a processing space is rotated every time, makes adjacent next place
Manage space and receive water, rotation period should be determined according to wetland running situation.
8. a kind of anti-clogging artificial wet land system for being applied to sanitary sewage and low-pollution water according to claim 1, its
It is characterised by, sewage enters purifier after distribution reservoir precipitation, is purified through microbial action and plant absorption, from water outlet
Pond is discharged, and processing unit is divided into multiple processing spaces by dividing plate, and tumbler is used to make processing unit rotate around the axis, and allows place
The processing space underused directly receives sewage in reason device, using the remaining pollutant carrying capacity of filler, and the higher portion of load
Get " rest ", large particulate matter is fully degraded, the material that can not be degraded in final process space will be taken out of by water, not shape
Into blocking.
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| CN201710380510.XA CN107098476B (en) | 2017-05-25 | 2017-05-25 | Anti-clogging artificial wetland system applied to domestic sewage and low-pollution water |
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| CN201710380510.XA CN107098476B (en) | 2017-05-25 | 2017-05-25 | Anti-clogging artificial wetland system applied to domestic sewage and low-pollution water |
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| CN107098476B CN107098476B (en) | 2020-06-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585874A (en) * | 2017-11-02 | 2018-01-16 | 中国海洋大学 | A kind of ecological wastewater processing device, processing method and processing system |
| CN111333261A (en) * | 2020-03-09 | 2020-06-26 | 广州市环境保护工程设计院有限公司 | Wastewater treatment system based on constructed wetland |
| CN112266077A (en) * | 2020-10-23 | 2021-01-26 | 广东石油化工学院 | Modularized multifunctional artificial wetland device and method for sewage treatment |
| CN117209077A (en) * | 2023-09-25 | 2023-12-12 | 中国地质调查局昆明自然资源综合调查中心 | Treatment device and treatment method for ecological restoration of homeland space |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585874A (en) * | 2017-11-02 | 2018-01-16 | 中国海洋大学 | A kind of ecological wastewater processing device, processing method and processing system |
| CN107585874B (en) * | 2017-11-02 | 2020-06-12 | 中国海洋大学 | Sewage ecological treatment device, treatment method and treatment system |
| CN111333261A (en) * | 2020-03-09 | 2020-06-26 | 广州市环境保护工程设计院有限公司 | Wastewater treatment system based on constructed wetland |
| CN112266077A (en) * | 2020-10-23 | 2021-01-26 | 广东石油化工学院 | Modularized multifunctional artificial wetland device and method for sewage treatment |
| CN112266077B (en) * | 2020-10-23 | 2022-04-12 | 广东石油化工学院 | Modularized multifunctional artificial wetland device and method for sewage treatment |
| CN117209077A (en) * | 2023-09-25 | 2023-12-12 | 中国地质调查局昆明自然资源综合调查中心 | Treatment device and treatment method for ecological restoration of homeland space |
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| Publication number | Publication date |
|---|---|
| CN107098476B (en) | 2020-06-12 |
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