CN110272172A - A kind of transformation of environment-friendly and energy-efficient rural area swag and domestic sewage treatment device - Google Patents
A kind of transformation of environment-friendly and energy-efficient rural area swag and domestic sewage treatment device Download PDFInfo
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- CN110272172A CN110272172A CN201910700266.XA CN201910700266A CN110272172A CN 110272172 A CN110272172 A CN 110272172A CN 201910700266 A CN201910700266 A CN 201910700266A CN 110272172 A CN110272172 A CN 110272172A
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- terraced fields
- filter bed
- biological filter
- efficient purification
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- 239000010865 sewage Substances 0.000 title claims abstract description 48
- 230000009466 transformation Effects 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000000746 purification Methods 0.000 claims abstract description 57
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 16
- 238000004062 sedimentation Methods 0.000 claims abstract description 15
- 238000011026 diafiltration Methods 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims description 18
- 239000004746 geotextile Substances 0.000 claims description 18
- 239000011159 matrix material Substances 0.000 claims description 16
- 239000002689 soil Substances 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 9
- 241000894006 Bacteria Species 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 239000002893 slag Substances 0.000 claims 1
- 230000006872 improvement Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- 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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
-
- 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
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The embodiment of the invention discloses a kind of transformation of environment-friendly and energy-efficient rural area swag and domestic sewage treatment devices, including sewage collecting sedimentation basin, the first biological filter bed high-efficient purification terraced fields, the second biological filter bed high-efficient purification terraced fields, high-efficiency multiple overland flow treatment system and clear water reserviors；The inlet end of the water outlet end of the sewage collecting sedimentation basin and the first biological filter bed high-efficient purification terraced fields is in fluid communication, the inlet end of the water outlet end of the first biological filter bed high-efficient purification terraced fields and the second biological filter bed high-efficient purification terraced fields is in fluid communication, the water outlet end of the second biological filter bed high-efficient purification terraced fields and the inlet end of high-efficiency multiple overland flow treatment system are in fluid communication, and the high-efficiency multiple overland flow treatment system is in fluid communication by diafiltration dam and clear water reserviors.The present invention is acted on by ecological purification, realizes the improvement of domestic sewage in rural areas and the transformation of rural area swag, suitable for arid region rural area swag and the ecological reconstruction of low-lying land, is realized that sewage treatment is synchronous with swag transformation and is carried out.
Description
Technical field
The present embodiments relate to water pollution controls and Water Ecological Recovery technical field, and in particular to a kind of environment-friendly and energy-efficient
The transformation of rural area swag and domestic sewage treatment device.
Background technique
The unordered discharge of domestic sewage in rural areas, adversely affects to villager's living environment, the rural area swag of arid area
General topography is hollower, has the function of collecting sewage, accumulation rainwater, after country sewage is collected to swag, easily forms black smelly water
Body, integration apparatus handle country sewage, need it is regular there is technical staff to safeguard, for more dispersed country sewage
Point, maintenance are not easy, and equipment component needs to consume electric energy.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of transformation of environment-friendly and energy-efficient rural area swag and domestic sewage treatment device, with
Solve the problems such as living environment caused by the unordered discharge of sanitary sewage in the prior art pollutes.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions: a kind of environment-friendly and energy-efficient rural area swag
Transformation and domestic sewage treatment device, including sewage collecting sedimentation basin, the first biological filter bed high-efficient purification terraced fields, the second biology
Filter bed formula high-efficient purification terraced fields, high-efficiency multiple overland flow treatment system, diafiltration dam and clear water reserviors；The sewage collecting sedimentation basin
Water outlet end and the inlet ends of the first biological filter bed high-efficient purification terraced fields be in fluid communication, the first biological filter bed is high
The water outlet end of effect purification terraced fields and the inlet end of the second biological filter bed high-efficient purification terraced fields are in fluid communication, and described second is raw
The water outlet end of object filter bed formula high-efficient purification terraced fields and the inlet end of high-efficiency multiple overland flow treatment system are in fluid communication, institute
High-efficiency multiple overland flow treatment system is stated to be in fluid communication by diafiltration dam and clear water reserviors.
Wherein；The first biological filter bed high-efficient purification terraced fields matrix by for example porous volcanic rock of porous filler, haydite,
Clinker, geotextiles and planting soil form, and cover geotextiles on filler, the planting soil of 20cm thickness are laid in geotextiles, in matrix
Water and hygrophyte are endured in upper plantation, while purifying water, can also form ecological terraced fields landscape；
Wherein；The high-efficiency multiple overland flow treatment system matrix is such as fiery by the porous filler for being laid with thickness 30cm or so
Mountain rock, clinker plant taller and bigger hygrophyte or emergent aquactic plant on filler, and plant can take root and bury, and prevent arid season
Because plant is withered or dead caused by water shortage；
Wherein；Planting submerged plant is planted in the clear water reserviors, forms clear water type water landscape.
Preferably, the sewage inlet offers sewage inlet away from water outlet side, and pacifies on sewage inlet
Equipped with grid.
Preferably, the sewage collecting sedimentation basin is equipped with the first biological filter bed high-efficient purification terraced fields place of fluidly connecting
Time control valve.
Preferably, the first biological filter bed high-efficient purification terraced fields and the second biological filter bed high-efficient purification terraced fields fluid
Junction is equipped with time control valve.
Preferably, the second biological filter bed high-efficient purification terraced fields and high-efficiency multiple overland flow treatment system fluid connect
The place of connecing is equipped with time control valve.
Preferably, the second biological filter bed high-efficient purification terraced fields matrix is by for example porous volcanic rock of porous filler, pottery
Grain, clinker, geotextiles and planting soil form, and cover geotextiles on filler, the planting soil of 20cm thickness are laid in geotextiles, in base
Water and hygrophyte are endured in plantation in matter, while purifying water, can also form ecological terraced fields landscape.
The embodiment of the present invention has the advantages that the first biological filter bed high-efficient purification terraced fields and the second biological filter bed are high
Effect purification terraced fields and high-efficiency multiple overland flow system form anoxic and aerobic environment in having alternately in water and water-less environment,
Realize that the synchronous of nitrification and denitrification effect carries out, to realize the purification of sewage；It is acted on by ecological purification, realizes that rural area is raw
The improvement of sewage living and the transformation of rural area swag are realized dirty suitable for arid region rural area swag and the ecological reconstruction of low-lying land
Water process is synchronous with swag transformation to be carried out.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.
Fig. 1 is processing system cross-section diagram of the present invention；
Fig. 2 is the first biological filter bed high-efficient purification terrance section figure of the embodiment of the present invention；
Fig. 3 is the high-efficiency multiple overland flow treatment system cross-section diagram of the embodiment of the present invention.
In figure: 1, sewage inlet；2, sewage collecting sedimentation basin；3, time control valve；4, the first biological filter bed is efficiently net
Change terraced fields；5, the second biological filter bed high-efficient purification terraced fields；6, high-efficiency multiple overland flow treatment system；7, it is percolated dam；8, clear
Pond.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
Please refer to Fig. 1-3, a kind of embodiment provided by the invention: a kind of transformation of environment-friendly and energy-efficient rural area swag and life are dirty
Water treatment facilities, including sewage collecting sedimentation basin 2, the first biological filter bed high-efficient purification terraced fields 4, the second biological filter bed are efficient
Purify terraced fields 5, high-efficiency multiple overland flow treatment system 6, diafiltration dam 7 and clear water reserviors 8；The sewage collecting sedimentation basin 2 goes out
The inlet end of mouth of a river end and the first biological filter bed high-efficient purification terraced fields 4 is in fluid communication, and the first biological filter bed is efficient
The inlet end of the water outlet end and the second biological filter bed high-efficient purification terraced fields 5 that purify terraced fields 4 is in fluid communication, and described second is raw
The water outlet end of object filter bed formula high-efficient purification terraced fields 5 and the inlet end of high-efficiency multiple overland flow treatment system 6 are in fluid communication,
The high-efficiency multiple overland flow treatment system 6 is in fluid communication by diafiltration dam 7 and clear water reserviors 8, and water body seepage flow is made to enter clear water
Pond 8.
Wherein, the sewage collecting sedimentation basin 2 is located at swag on the bank, has precipitation while collecting sewage, together
When collect sedimentation basin also have the function of anaerobic fermentation.
Wherein；The first biological filter bed high-efficient purification terraced fields 4 are arranged at swag shore protection, first bacteria bed
4 matrix of formula high-efficient purification terraced fields is made of for example porous volcanic rock of porous filler, haydite, clinker, geotextiles and planting soil, filler
Upper covering geotextiles are laid with the planting soil of 20cm thickness in geotextiles, and water and hygrophyte are endured in plantation in matrix, purify water
While, it can also form ecological terraced fields landscape.
Wherein；The high-efficiency multiple overland flow treatment system 6 is arranged at swag lower curtate shallow water area, prepartion of land,
6 matrix of high-efficiency multiple overland flow treatment system is by being laid with the porous filler such as volcanic rock, clinker of thickness 30cm or so, in filler
The taller and bigger hygrophyte or emergent aquactic plant of upper plantation, plant can take root and bury, prevent arid season because caused by water shortage plant it is raw
It is withered or dead.
Wherein；Planting submerged plant is planted in the setting of clear water reserviors 8 in swag lowest part, the clear water reserviors 8, forms clear water type
Water landscape.
Further, the sewage inlet 1 offers sewage inlet 1 away from water outlet side, and on sewage inlet 1
Grid is installed, biggish house refuse and other sundries are intercepted.
Further, the sewage collecting sedimentation basin 2 and 4 place of fluidly connecting of the first biological filter bed high-efficient purification terraced fields are installed
There is time control valve 3, can be realized the effect controlled open in real time.
Further, the first biological filter bed high-efficient purification terraced fields 4 and the second biological filter bed high-efficient purification terraced fields 5 flow
Body junction is equipped with time control valve 3, can be realized the effect controlled open in real time.
Further, the second biological filter bed high-efficient purification terraced fields 5 and 6 fluid of high-efficiency multiple overland flow treatment system
Junction is equipped with time control valve 3, can be realized the effect controlled open in real time.
Further, the second biological filter bed high-efficient purification terraced fields 5 are arranged at swag shore protection, and position is lower than first
Biological filter bed high-efficient purification terraced fields 4, the second biological filter bed high-efficient purification 5 matrix of terraced fields are for example porous by porous filler
Volcanic rock, haydite, clinker, geotextiles and planting soil form, and cover geotextiles on filler, and the kind of 20cm thickness is laid in geotextiles
Soil is planted, water and hygrophyte are endured in plantation in matrix, while purifying water, can also form ecological terraced fields landscape.
In summary: at dusk, 2 water outlet of sewage collecting sedimentation basin being closed into water storage；Open simultaneously the first biological filter bed
The water outlet of high-efficient purification terraced fields 4 and the second biological filter bed high-efficient purification terraced fields 5 empties water body, and air enters matrix gap,
Form aerobic environment；The water of first biological filter bed high-efficient purification terraced fields 4 and the discharge of the second biological filter bed high-efficient purification terraced fields 5
Body enters high-efficiency multiple overland flow system 6, floods (or being partially flooded with) matrix, forms oxygen-free environment, and water body is slowly percolated again
Into clear water reserviors 8；First biological filter bed high-efficient purification terraced fields 4 and the second biological filter bed high-efficient purification terraced fields 5 and efficiently more
Hole overland flow system 6 forms anoxic and aerobic environment in having alternately in water and water-less environment, realize nitrification and denitrification
The synchronous of effect carries out, to realize the purification of sewage.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (6)
1. a kind of transformation of environment-friendly and energy-efficient rural area swag and domestic sewage treatment device, including sewage collecting sedimentation basin (2), first
Biological filter bed high-efficient purification terraced fields (4), the second biological filter bed high-efficient purification terraced fields (5), the processing of high-efficiency multiple overland flow
System (6), diafiltration dam (7) and clear water reserviors (8)；It is characterized by: the water outlet end and first of the sewage collecting sedimentation basin (2)
The inlet end of biological filter bed high-efficient purification terraced fields (4) is in fluid communication, the first biological filter bed high-efficient purification terraced fields (4)
Water outlet end and the second biological filter bed high-efficient purification terraced fields (5) inlet end be in fluid communication, second bacteria bed
The water outlet end of formula high-efficient purification terraced fields (5) and the inlet end of high-efficiency multiple overland flow treatment system (6) are in fluid communication, institute
High-efficiency multiple overland flow treatment system (6) are stated to be in fluid communication by diafiltration dam (7) and clear water reserviors (8)；
Wherein；First biological filter bed high-efficient purification terraced fields (4) matrix by porous filler (such as porous volcanic rock, haydite,
Clinker), geotextiles and planting soil composition, cover geotextiles on filler, the planting soil of 20cm thickness be laid in geotextiles, in matrix
Water and hygrophyte are endured in upper plantation, while purifying water, can also form ecological terraced fields landscape；
Wherein；High-efficiency multiple overland flow treatment system (6) matrix is by being laid with the porous filler of thickness 30cm or so (such as fire
Mountain rock, clinker), taller and bigger hygrophyte or emergent aquactic plant are planted on filler, plant can take root and bury, and prevent arid season
Because plant is withered or dead caused by water shortage；
Wherein；Kind of planting submerged plant in the clear water reserviors (8) forms clear water type water landscape.
2. swag transformation in a kind of environment-friendly and energy-efficient rural area according to claim 1 and domestic sewage treatment device, feature
Be: the sewage inlet (1) offers sewage inlet (1) away from water outlet side, and installs on sewage inlet (1)
There is grid.
3. swag transformation in a kind of environment-friendly and energy-efficient rural area described in claim 1 and domestic sewage treatment device, it is characterised in that:
The sewage collecting sedimentation basin (2) and first biological filter bed high-efficient purification terraced fields (4) place of fluidly connecting are equipped with time control valve
(3)。
4. swag transformation in a kind of environment-friendly and energy-efficient rural area according to claim 1 and domestic sewage treatment device, feature
Be: the first biological filter bed high-efficient purification terraced fields (4) fluidly connect with the second biological filter bed high-efficient purification terraced fields (5)
Place is equipped with time control valve (3).
5. swag transformation in a kind of environment-friendly and energy-efficient rural area according to claim 1 and domestic sewage treatment device, feature
Be: the second biological filter bed high-efficient purification terraced fields (5) and high-efficiency multiple overland flow treatment system (6) fluidly connect place
Time control valve (3) are installed.
6. swag transformation in a kind of environment-friendly and energy-efficient rural area according to claim 1 and domestic sewage treatment device, feature
Be: the second biological filter bed high-efficient purification terraced fields (5) matrix is by porous filler (such as porous volcanic rock, haydite, furnace
Slag), geotextiles and planting soil composition, cover geotextiles on filler, the planting soil of 20cm thickness be laid in geotextiles, in matrix
Water and hygrophyte are endured in plantation, while purifying water, can also form ecological terraced fields landscape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700266.XA CN110272172A (en) | 2019-07-31 | 2019-07-31 | A kind of transformation of environment-friendly and energy-efficient rural area swag and domestic sewage treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910700266.XA CN110272172A (en) | 2019-07-31 | 2019-07-31 | A kind of transformation of environment-friendly and energy-efficient rural area swag and domestic sewage treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110272172A true CN110272172A (en) | 2019-09-24 |
Family
ID=67965866
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| CN201910700266.XA Pending CN110272172A (en) | 2019-07-31 | 2019-07-31 | A kind of transformation of environment-friendly and energy-efficient rural area swag and domestic sewage treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436392A (en) * | 2021-12-29 | 2022-05-06 | 河南中汇环保科技有限公司 | Water body ecological restoration method guided by directionally removing algae in water body |
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| CN105064489A (en) * | 2015-07-02 | 2015-11-18 | 西安市政设计研究院有限公司 | Biological filter and design method thereof |
| CN105129982A (en) * | 2015-07-06 | 2015-12-09 | 中国科学院沈阳应用生态研究所 | Multistage tide flow wetland system for treating organic wastewater difficult to degrade, and method thereof |
| CN106869079A (en) * | 2017-04-01 | 2017-06-20 | 王寿兵 | A kind of water course in situ purification and water storage system |
-
2019
- 2019-07-31 CN CN201910700266.XA patent/CN110272172A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787884A (en) * | 2014-01-21 | 2015-07-22 | 北京师范大学 | Method and system for nitrogen and phosphorus removal via water treatment plant waste sludge (WTRs) reinforced tidal-flow reactor |
| CN103880257A (en) * | 2014-04-14 | 2014-06-25 | 中国科学院亚热带农业生态研究所 | Ecological combined treatment method and device for rural distributed sewage |
| CN105064489A (en) * | 2015-07-02 | 2015-11-18 | 西安市政设计研究院有限公司 | Biological filter and design method thereof |
| CN105129982A (en) * | 2015-07-06 | 2015-12-09 | 中国科学院沈阳应用生态研究所 | Multistage tide flow wetland system for treating organic wastewater difficult to degrade, and method thereof |
| CN106869079A (en) * | 2017-04-01 | 2017-06-20 | 王寿兵 | A kind of water course in situ purification and water storage system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114436392A (en) * | 2021-12-29 | 2022-05-06 | 河南中汇环保科技有限公司 | Water body ecological restoration method guided by directionally removing algae in water body |
| CN114436392B (en) * | 2021-12-29 | 2022-12-13 | 河南中汇环保科技有限公司 | Water body ecological restoration method guided by directionally removing algae in water body |
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