CN108373251A - A kind of biology in situ processing method of barrier and abatement river bottom mud Nutrient release - Google Patents
A kind of biology in situ processing method of barrier and abatement river bottom mud Nutrient release Download PDFInfo
- Publication number
- CN108373251A CN108373251A CN201810220498.0A CN201810220498A CN108373251A CN 108373251 A CN108373251 A CN 108373251A CN 201810220498 A CN201810220498 A CN 201810220498A CN 108373251 A CN108373251 A CN 108373251A
- Authority
- CN
- China
- Prior art keywords
- insulation blanket
- bottom mud
- river bottom
- water body
- abatement
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention particularly discloses the bioremediations of a kind of barrier and abatement river bottom mud Nutrient release, include the following steps：S1. calculate river bottom mud projected area；S2. ecologic active pollution insulation blanket is cut into river bottom mud and projects corresponding form and dimension；S3. the ecologic active cut pollution insulation blanket is laid in river bottom mud surface；S4. covering counterweight on ecologic active pollution insulation blanket top prevents it from hiking up；The bioremediation of the present invention can obstruct release of the mercury object into water body, also can carry out biological treatment to the pollutant in water body and bed mud, realize the target of substrate sludge nutritive salt minimizing.Fundamentally control black-odor riverway bed mud discharges nutritive salt into water body and solves the problems, such as that substrate sludge nutritive salt is difficult to cut down.The bioremediation of the present invention belongs to biology in situ processing river bottom mud technology, and strange land is handled after need not being carried out to Sediment Dredging.
Description
Technical field
The present invention relates to water environment ecological control techniques fields, and in particular, to a kind of to obstruct and abatement river bottom mud battalion
Support the bioremediation of salt release.
Background technology
Bed mud is urban river ecological system important component, is the indispensable pith of river self-purification function.
Meanwhile bed mud is also the carrier of pollution of river object long-term accumulation, is the important secondary pollution source in river.Polluted bed mud reparation is city
City's black-odor riverway administers unavoidable problem.
In recent years, as the high speed development of domestic economy, water quality pollution aggravate, the black smelly phenomenon in river is on the rise,
Lake eutrophication trend development is swift and violent.Important component of the bed mud as natural water areas such as river, lakes is that water body is a variety of
The Yuan Hehui of nutrients, pollutant is the numerous pollutants carrier of Transport And Transformation, home to return to and accumulation library in the environment.With ring
Border pollution control deepens continuously, the implementation of pollution sources interception project, and the water bodys external contamination source such as river, lake obtains certain journey
After degree control, bed mud then becomes the main source of water pollution, studies have shown that the pollutant being deposited in bed mud is in certain condition
Under can release, become pollution source, cause the serious contamination accident of water body.At abroad, the big lake of Rhine River valley, the U.S.
The sediment pollution situation in the areas such as hamburger port in area, Amsterdam harbour of Holland and Germany is quite serious.In recent years
The event for more than the 2000 fish consumption problem that the U.S. occurs repeatedly is proved to be caused by the bed mud and pollutes.
Currently, control sediment pollution has caused great attention both domestic and external.It is different in the treatment technology of polluted bed mud
For ground treatment technology (such as Sediment Dredging) although quick, engineering is huge, not only expends a large amount of human and material resources and financial resources, and
And it is also difficult to by Sediment Dredging up to standard.It is administered on a large scale, is even more to be difficult to reality in the area of economics of underdevelopment, country
It is existing.
From the 1970s, river, lake pollution bottom sediment original position Stabilization Remediation Technology start to grow up, present state
Has successful application example outside.Experiment proves, is inhibited by feeding lime, iron aluminium salt, nitrate such as [Ca (NO3) 2]
The bottom sediment stabilizing technology of the release of pollutant and stabilization, fixed heavy metal in bed mud, can be used for eutrophic lake, river etc.
It administers, and is conducive to the recovery of the ecosystem, but domestic experimental study in this regard is less.
Therefore, it is badly in need of a kind of bioremediation Technology of low cost, effect is good, process is stablized of exploitation, handles river bottom mud
Pollutant, while to river, lake pollution bottom sediment carry out in-situ immobilization.
Invention content
For the above-mentioned deficiency of the prior art, the present invention provides a kind of life of barrier and abatement river bottom mud Nutrient release
Substance treating method, to solve above-mentioned technical problem：
The present invention is achieved by the following technical solutions：
A kind of bioremediation of barrier and abatement river bottom mud Nutrient release, includes the following steps：
S1. calculate river bottom mud projected area；
S2. ecologic active pollution insulation blanket is cut into river bottom mud and projects corresponding form and dimension；
S3. the ecologic active cut pollution insulation blanket is laid in river bottom mud surface；
S4. covering counterweight on ecologic active pollution insulation blanket top prevents it from hiking up.
Preferably, the ecologic active pollution insulation blanket includes that insulation blanket and Water body cleansing agent combination are made.
Preferably, water body purification agent content is 150~350 grams/m in the ecologic active pollution insulation blanket.
It is highly preferred that water body purification agent content is 200~300 grams/m in the ecologic active pollution insulation blanket.
Preferably, the insulation blanket includes geotextiles, non-woven fabrics and other kinds of permeable woven cloth.
Preferably, the Water body cleansing agent is compound microbial preparation, including love can blue Water body cleansing agent and other
Type using solid particulate matter as the compound microbial preparation of carrying body.
The preparation method of ecologic active pollution insulation blanket described in more than one, includes the following steps：
S1. calculate river bottom mud projected area；
S2. insulation blanket is cut into river bottom mud and projects corresponding form and dimension, cut two pieces of identical insulation blankets；
S3. Water body cleansing agent is uniformly spread between being sprinkled upon two layers of insulation blanket, Water body cleansing agent dosage according to 150~350 grams/
Square metre；
S4. will spread sprinkler cleanser sandwich structure insulation blanket suture, you can be made ecologic active pollution every
From blanket.
The preparation method of ecologic active pollution insulation blanket described in more than one, includes the following steps：
S1. calculate river bottom mud projected area；
S2. insulation blanket is cut into river bottom mud and projects corresponding form and dimension；
S3. Water body cleansing agent is uniformly spread and is spilled into bed-silt surface, Water body cleansing agent dosage according to 150~350 grams/it is flat
Square rice；
S4. insulation blanket is covered on the river bottom mud surface for having spread sprinkler cleanser, you can ecologic active pollution is made
Insulation blanket.
Compared with the existing technology, beneficial effects of the present invention：
The bioremediation of the present invention can obstruct release of the mercury object into water body, also can to water body and
Pollutant in bed mud carries out biological treatment, realizes the target of substrate sludge nutritive salt minimizing.Fundamentally control black-odor riverway bottom
Mud discharges nutritive salt into water body and solves the problems, such as that substrate sludge nutritive salt is difficult to cut down.The bioremediation of the present invention belongs to former
Position biological treatment river bottom mud technology, strange land is handled after need not being carried out to Sediment Dredging.
Description of the drawings
Fig. 1 is the ecology isolation blanket laying method schematic diagram of the present invention.
Fig. 2 is Experimental equipment of the present invention.
Fig. 3 is total nitrogen analysis result statistical chart.
Fig. 4 is total phosphorus analysis result statistical chart.
Fig. 5 is ammonia nitrogen analysis result statistical chart.
Fig. 6 is COD analysis result statistical charts.
Fig. 7 is suspended matter analysis result statistical chart.
Fig. 8 is dissolved oxygen analysis result statistical chart.
Specific implementation mode
The invention will be further described with the following Examples.
1 ecologic active of embodiment pollutes the making of insulation blanket
Ecologic active pollution insulation blanket is made by following two methods
Method 1：
S1. calculate river bottom mud projected area；
S2. insulation blanket is cut into river bottom mud and projects corresponding form and dimension, cut two pieces of identical insulation blankets；
S3. Water body cleansing agent is uniformly spread between being sprinkled upon two layers of insulation blanket, Water body cleansing agent dosage is according to pending river
Pollution condition depending on；
S4. will spread sprinkler cleanser sandwich structure insulation blanket suture, you can be made ecologic active pollution every
From blanket.
Method 2：
S1. calculate river bottom mud projected area；
S2. insulation blanket is cut into river bottom mud and projects corresponding form and dimension；
S3. Water body cleansing agent is uniformly spread and is spilled into bed-silt surface, Water body cleansing agent dosage is according to pending river
Depending on pollution condition；
S4. insulation blanket is covered on the river bottom mud surface for having spread sprinkler cleanser, you can ecologic active pollution is made
Insulation blanket.
Ecologic active pollutes two kinds of production methods of insulation blanket, and the thinking of the processing pollution of river is the same, Ke Yigen
Suitable production method is selected according to situations such as size in river to be handled, streamflow regime, bed mud thickness, construction convenience,
Water body cleansing agent dosage is used according to actual conditions according to 150~350 grams/m of selections.
2 ecology isolation blanket of embodiment handles river bottom mud effect experiment
2.1 experiment equipment
Glass jar：With reference to present situation river form, the specific long 1m of system, wide 0.5m, height 0.8m, glass jar 3, each cylinder is wide
The inside 0.15m in side side adds partition glass, and height 0.7m, 0.1m is vacated in bottom.Glass jar is numbered, respectively 1#, 2#,
3#、4#、5#.(such as Fig. 2)；Distilled water (analysis is pure)；Geotextiles；Water body cleansing agent (love can blue Water body cleansing agent).
Experiment mud：Take the sludge in the depth 0.3m of black-odor riverway bottom as experiment mud sample, sample plot is transported in acquisition
Point carries out sieving mixed processing, uniformly mixed bed mud is evenly distributed in Experimental Water Tank, thickness 30cm.
2.2 experiment process are arranged
Original mud 0.3m, raw water height 0.4m (water surface elevation 0.7m graduation marks) are placed in 1# experimental glass cylinder, as a contrast
Group；
2# experimental glass cylinders, the method for method 1 makes insulation blanket in reference implementation example 1, and the content of Water body cleansing agent is
200g/m2, manufactured insulation blanket is laid in muck surface, covering counterweight prevents insulation blanket levitating.
The insulation blanket production method of method 1 makes insulation blanket in 3# reference implementations example 1, and the content of Water body cleansing agent is
300g/m2, manufactured insulation blanket is laid in muck surface, covering counterweight prevents insulation blanket levitating.
4# experimental glass cylinders, the method for method 2 makes insulation blanket in reference implementation example 1, first by Water body cleansing agent according to
200g/m2Be sprinkled into muck surface, then cover insulation blanket, covering counterweight prevents insulation blanket levitating.
5# experimental glass cylinders, the method for method 2 makes insulation blanket in reference implementation example 1, first by Water body cleansing agent according to
300g/m2Be sprinkled into muck surface, then cover insulation blanket, covering counterweight prevents insulation blanket levitating.
By in plastic cloth tiling to the insulation blanket laid, distilled water is then gradually injected, water to be distilled is filled into design
Water level stops plus water, then quickly extracts plastic cloth out.The configuration mode of each substance such as table 1 in five groups of experimental glass cylinders：
1 five groups of glass jar experimental arrangements of table
2.3 sampling of water qualities monitor
According to nutritive salt in sludge in water body rule deenergized period, take sample (first sub-sampling within every 2 hours first day
Start time is that whole water fillings start timing after the completion), continuous 12 hours.It took every 4 hours within second day once, takes daily later
Sample, according to detection data as a result, stopping after balance, (this experimental monitoring water quality period is 22 days).To the water sample of acquisition
Carry out the monitoring of total nitrogen, total phosphorus, ammonia nitrogen, COD, suspended matter, dissolved oxygen, each monitoring index and monitoring method such as table 2：
2 monitoring index of table and corresponding monitoring method
2.4 interpretation of result
Selection sampling early period (6.23,24), mid-term (7.3,4), each testing index data of water sample in later stage (7.12,13) are painted
Charting
2.4.1 total nitrogen analysis
Total nitrogen analysis result shows 1# as shown in figure 3, total nitrogen content is consistent with ammonia nitrogen numerical value situation in the water sample measured
Water sample total nitrogen numerical value is higher；All water samples of increase at any time have a declining tendency, and add 2#, 3# water sample of two layers of geotextiles
Total nitrogen concentration is not much different, but increase at any time, 3# have a declining tendency；Add 5# in 4# and the 5# water sample of one layer of geotextiles
Trend is decreased significantly, illustrates that Water body cleansing agent 300g/m is added2Shi Xiaoguo is preferable；The 2# of phase homogenous quantities Water body cleansing agent is added
Compared with 4# water samples, in early period, 2# is slightly bigger than normal, but over time, and 4# ratio 2# numerical value is bigger than normal, illustrates to add two layers of geotechnique
Cloth it is better.In conclusion the abatement effect of total nitrogen is adding two layers of geotextiles, 300g/m is added2When Water body cleansing agent
Most preferably.
2.4.2 total phosphorus is analyzed
Total phosphorus analysis result is as shown in figure 4, the total phosphorus content of water sample is in the trend that is gradually reduced, but overall or 1# raw waters
The total phosphorus content highest of cylinder, 2#-5# is relatively low, and totally apparently, either equally adds the 2# of two layers of geotextiles compared with 3#,
Or the 2# of phase homogenous quantities water quality cleansing agent is added compared with 4#, it is minimum with 2#, and 3# is also two layers of soil of addition compared with 5#
The 3# of work cloth is relatively low, this explanation, and the abatement effect to total phosphorus is to add two layers of geotextiles, 200g/m2When Water body cleansing agent most
It is good.
2.4.3 ammonia nitrogen is analyzed
Ammonia nitrogen analysis result is as shown in figure 5, according to adding the different geotextiles numbers of plies and added different water in all sample presentations
Body purification dosage is compared, and is analyzed it and is obstructed to ammonia nitrogen and cut down effect：As can be seen from the data, 1# ammonia nitrogens in all water samples
Content is higher, and 2#-5# is low compared with 1#；Wherein 2#, 3# are water sample when adding two layers of geotextiles, it can be found that 2# is generally than 3#'s
Numerical value wants low, illustrates to add 200g/m2Effect when Water body cleansing agent is preferable；2#, 4# are that added Water body cleansing agent is 200g/m2
When water sample, the numerical value of 2# is still relatively low, and abatement effect when illustrating two layers of geotextiles is preferable；4#, 5# are one layer of geotechnique of addition
Water sample when cloth it is again seen that 4# numerical value is relatively low also illustrates that 200g/m is added2Effect is preferable when Water body cleansing agent.
2.4.4COD interpretation of result
COD analysis results are as shown in fig. 6, all water sample COD numerical value have fairly obvious downward trend, wherein with 2# and 4#
Numerical value it is minimum, 3# 5# compared with 5# are relatively low, this illustrate be added one layer of geotextiles, 200g/m2When Water body cleansing agent, to COD's
Cut down best results.
2.4.5 suspended matter is analyzed
Suspended matter analysis result is as shown in fig. 7, the concentration 2# that can be seen that suspended matter from data is apparent compared with 3# water samples
It is relatively low, be not much different compared with 4#, explanation be all add two layers of geotextiles water sample in 200g/m is added2Water body cleansing agent disappears
Decreasing effect fruit is more preferable；3# is generally higher than 5# numerical value, illustrate be added phase homogenous quantities Water body cleansing agent when, add one layer of geotextiles when pair
The barriering effect of suspended matter is preferable.
2.4.6 dissolved oxygen analysis
The results are shown in Figure 8 for dissolved oxygen analysis, and in all water samples, the dissolved oxygen numerical value of 1# water samples is minimum, 3# and 5# numbers
Value is higher；200g/m is being added2In the experiment cylinder of Water body cleansing agent, 2# ratios 4# higher；Illustrate adding two layers of geotextiles, be added
300g/m2Dissolved Oxygen in Water content is higher when Water body cleansing agent.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art answer
Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (8)
1. the bioremediation of a kind of barrier and abatement river bottom mud Nutrient release, which is characterized in that include the following steps：
S1. calculate river bottom mud projected area；
S2. ecologic active pollution insulation blanket is cut into river bottom mud and projects corresponding form and dimension；
S3. the ecologic active cut pollution insulation blanket is laid in river bottom mud surface；
S4. covering counterweight on ecologic active pollution insulation blanket top prevents it from hiking up.
2. the bioremediation of barrier according to claim 1 and abatement river bottom mud Nutrient release, feature exist
In the ecologic active pollution insulation blanket includes that insulation blanket and Water body cleansing agent combination are made.
3. the bioremediation of barrier according to claim 2 and abatement river bottom mud Nutrient release, feature exist
In water body purification agent content is 150~350 grams/m in the ecologic active pollution insulation blanket.
4. the bioremediation of barrier according to claim 3 and abatement river bottom mud Nutrient release, feature exist
In water body purification agent content is 200~300 grams/m in the ecologic active pollution insulation blanket.
5. the bioremediation of barrier according to claim 2 and abatement river bottom mud Nutrient release, feature exist
In the insulation blanket includes geotextiles, non-woven fabrics and other kinds of permeable woven cloth.
6. the bioremediation of barrier according to claim 2 and abatement river bottom mud Nutrient release, feature exist
It is compound microbial preparation in, the Water body cleansing agent, including love can blue Water body cleansing agent and other kinds of with solid
Particulate matter is the compound microbial preparation of carrying body.
7. a kind of preparation method of claim 1 to 6 any one of them ecologic active pollution insulation blanket, which is characterized in that packet
Include following steps：
S1. calculate river bottom mud projected area；
S2. insulation blanket is cut into river bottom mud and projects corresponding form and dimension, cut two pieces of identical insulation blankets；
S3. Water body cleansing agent is uniformly spread between being sprinkled upon two layers of insulation blanket, Water body cleansing agent dosage is according to 150~350 grams/square
Rice；
S4. the sandwich structure insulation blanket for having spread sprinkler cleanser is sutured, you can ecologic active is made and pollutes insulation blanket.
8. a kind of preparation method of claim 1 to 6 any one of them ecologic active pollution insulation blanket, which is characterized in that packet
Include following steps：
S1. calculate river bottom mud projected area；
S2. insulation blanket is cut into river bottom mud and projects corresponding form and dimension；
S3. Water body cleansing agent is uniformly spread and is spilled into bed-silt surface, Water body cleansing agent dosage is according to 150~350 grams/square
Rice；
S4. insulation blanket is covered on the river bottom mud surface for having spread sprinkler cleanser, you can ecologic active pollution isolation is made
Blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810220498.0A CN108373251A (en) | 2018-03-16 | 2018-03-16 | A kind of biology in situ processing method of barrier and abatement river bottom mud Nutrient release |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810220498.0A CN108373251A (en) | 2018-03-16 | 2018-03-16 | A kind of biology in situ processing method of barrier and abatement river bottom mud Nutrient release |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108373251A true CN108373251A (en) | 2018-08-07 |
Family
ID=63018886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810220498.0A Pending CN108373251A (en) | 2018-03-16 | 2018-03-16 | A kind of biology in situ processing method of barrier and abatement river bottom mud Nutrient release |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108373251A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817628A (en) * | 2010-04-15 | 2010-09-01 | 河海大学 | Riverbed base vegetation type ecological blanket repair method |
| CN105645563A (en) * | 2016-01-13 | 2016-06-08 | 长江水利委员会长江科学院 | Polluted sediment ecological coverage carpet capable of inhibiting original algae from revival and growth and application method thereof |
| CN206337131U (en) * | 2016-12-27 | 2017-07-18 | 深圳天澄科工水系统工程有限公司 | A kind of ecological blanket of in-situ immobilization polluted bed mud |
| CN107445422A (en) * | 2017-08-03 | 2017-12-08 | 山东建筑大学 | A kind of pollution of river bed mud ecological restoring method |
| CN206858392U (en) * | 2017-04-28 | 2018-01-09 | 广州市圣凯勘测设计有限公司 | A kind of bed mud purifying blanket |
-
2018
- 2018-03-16 CN CN201810220498.0A patent/CN108373251A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101817628A (en) * | 2010-04-15 | 2010-09-01 | 河海大学 | Riverbed base vegetation type ecological blanket repair method |
| CN105645563A (en) * | 2016-01-13 | 2016-06-08 | 长江水利委员会长江科学院 | Polluted sediment ecological coverage carpet capable of inhibiting original algae from revival and growth and application method thereof |
| CN206337131U (en) * | 2016-12-27 | 2017-07-18 | 深圳天澄科工水系统工程有限公司 | A kind of ecological blanket of in-situ immobilization polluted bed mud |
| CN206858392U (en) * | 2017-04-28 | 2018-01-09 | 广州市圣凯勘测设计有限公司 | A kind of bed mud purifying blanket |
| CN107445422A (en) * | 2017-08-03 | 2017-12-08 | 山东建筑大学 | A kind of pollution of river bed mud ecological restoring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105712599B (en) | A kind of landscape water body sediment repairing agent, method of preparation and use | |
| CN106430608A (en) | In-situ biological-ecological recovery integrated system for urban river water body | |
| Grimm et al. | Nitrogen and phosphorus dynamics in hot desert streams of southwestern USA | |
| Sun et al. | Decomposition and heavy metal variations of the typical halophyte litters in coastal marshes of the Yellow River estuary, China | |
| Levine et al. | Impacts of the long-term presence of buried crude oil on salt marsh soil denitrification in Barataria Bay, Louisiana | |
| Cogger | On-site septic systems: the risk of groundwater contamination | |
| Cheng et al. | Effects of plants development and pollutant loading on performance of vertical subsurface flow constructed wetlands | |
| CN112607956A (en) | Ecological restoration and aquatic ecosystem restoration method for polluted water body of plateau lake | |
| Yan et al. | Effects of revetment type on the spatial distribution of soil nitrification and denitrification in adjacent tidal urban riparian zones | |
| Mallin | Septic systems in the coastal environment: multiple water quality problems in many areas | |
| Pan et al. | Remobilization and hypoxia-dependent migration of phosphorus at the coastal sediment-water interface | |
| El Sayed et al. | Evaluation of the adequacy of a rehabilitation programme, implemented in two Red Sea coastal lagoons, using the hydrological characteristics of surface water | |
| CN102503050B (en) | Artificial composite soil layer treatment system capable of reinforcing removal of endocrine disruptors | |
| Yu et al. | An investigation of the effects of capping on internal phosphorus release from sediments under rooted macrophytes (Phragmites australis) revegetation | |
| Zheng et al. | Design and application of plant ecological space technology in water eutrophication control | |
| CN108373251A (en) | A kind of biology in situ processing method of barrier and abatement river bottom mud Nutrient release | |
| CN108383246A (en) | A kind of ecology isolation blanket for inhibiting sediment contamination release | |
| CN102964040B (en) | In-situ repair method for polluted sediment nitrogen nutritive salt and in-situ repairing pile applied to in-situ repair method | |
| CN100999372A (en) | Substrate formulating method for aquatic vegetation repairing | |
| Sánchez-Colón | Effect of water level fluctuations and rainfall on phosphorus release and binding at a tropical freshwater wetland (Laguna Cartagena, PR) | |
| Qian et al. | Simulation of denitrification in groundwater from Chaohu Lake Catchment, China | |
| De et al. | Nitrogen transformations in the mounded drainfields of drip dispersal and gravel trench septic systems | |
| CN202390288U (en) | Manual composite earth layer strengthening elimination of endocrine disrupter | |
| CN208071530U (en) | High water-base fluid removes the constructed rapid infiltration of the plain sulfamethoxazole of water removal moderate resistance life | |
| CN114933393B (en) | In-situ ecological restoration structure for surface water and underground water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180807 |
|
| RJ01 | Rejection of invention patent application after publication |