CN104512986B - A kind of combined remediation method of eutrophic lake - Google Patents
A kind of combined remediation method of eutrophic lake Download PDFInfo
- Publication number
- CN104512986B CN104512986B CN201410784745.1A CN201410784745A CN104512986B CN 104512986 B CN104512986 B CN 104512986B CN 201410784745 A CN201410784745 A CN 201410784745A CN 104512986 B CN104512986 B CN 104512986B
- Authority
- CN
- China
- Prior art keywords
- lake
- water
- remediation method
- combined remediation
- eutrophic
- 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
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
Abstract
The present invention relates to ecological engineering and water-treatment technology field, the combined remediation method of a kind of eutrophic lake.The present invention is by being used in combination biofilter, biological nest, current generating system, biomembrane purification system, aquatic ecosystem and ecological floating island, the Lake Water of eutrophication is processed, necessary condition is built for water ecology reparation, build healthy lake ecosystem, improve the self-purification capacity of water body in lake, thus realize purifying water body in lake and repairing the target of aquatic ecological.Spray microbial cleaning preparation during a large amount of algae timelike lake occurs in large amount of sewage in entering when lake impacts contact scar or lake during heavy rains, can effectively prevent or suppress cyanophyceae and chlorella outburst.The combined remediation method non-secondary pollution of the present invention, later stage operation cost is low, and repairing effect is good, and clean-up effect is lasting, and the inventive method can meet the requirement of scale, through engineering approaches.
Description
Technical field
The present invention relates to ecological engineering and water-treatment technology field, particularly relate to a kind of eutrophic lake
Combined remediation method.
Background technology
Eutrophication is that the too much caused water pollution of the plant nutrient substance content such as a kind of nitrogen, phosphorus is existing
As.Under field conditions (factors), the continuous sedimentation at lakebed of alluvial deposits and aquatile remains is carried secretly along with river
Alluvial, lake can be eutrophic lake from flat nutrition lake transition, and then develop into marsh and land, and this is one
Plant extremely slow process.But due to the activity of the mankind, by a large amount of industrial wastewaters and sanitary sewage and agriculture
After plant nutrient substance in track and field stream enters the slow flow water bodies such as lake, reservoir, river mouth, bay, aquatic
Biology particularly algae, by amount reproduction, makes the population kind quantity of Biomass change, destroys water
The ecological balance of body.At present, the lake pollution problem of China is the severeest, and the lake of more than 80% is subject to
Pollute, improvement and reparation to water body, very urgent.
At present, the improvement of water body in lake is mainly had three types of technology: 1. chemical method, including flocculation sediment,
Oxidation, absorption, chemical agent are except algae etc., and this method is relatively costly easily causes secondary pollution；2. Physical,
Including Sediment Dredging, watercourse aeration, draw clear dirt removal, machinery except algae etc., but often have and cure the symptoms, not the disease
Problem, and expend manpower and materials big；3. restoration of the ecosystem, including biomembrance process treatment technology, micro-life
Thing preparation technique, artificial floating island technology, artificial wetland treatment etc., cultivate because of the growth of any biology and all need
Wanting suitable conditions of existence, therefore, restoration of the ecosystem also has necessarily realizing the aspect such as condition, repair ability
Limitation.The lake of eutrophication is administered by a certain technology of single use, all can be by this technology
The limitation itself existed limits, and regulation effect is undesirable, and this proposes to efficiently administering of water body in lake
New problem.
Summary of the invention
The present invention is directed to existing lake repairing and treating technology, to there is treatment effeciency low, there is secondary pollution, fortune
Battalion's high in cost of production is not enough, it is provided that a kind of for eutrophic lake, has repairing effect good, technique more ring
Protect, it is easy to operational management, later stage less investment and the combine d bioremediation that scale and through engineering approaches require can be met
Method.
For achieving the above object, the present invention by the following technical solutions, the associating of a kind of eutrophic lake
Restorative procedure, comprises the following steps:
S1, being inputted in biofilter by the water in lake by water pump, the water processed through biofilter depends on again
Secondary flow through biological nest and sedimentation tank processes；And periodically the mud deposited in sedimentation tank is discharged.
S2, through sedimentation tank process water again flow back to lake；In lake, use simultaneously current generating system,
Water in lake is processed by biomembrane purification system, aquatic ecosystem and ecological floating island.
Zeolite molecular sieve filtrate, the specific surface of described zeolite molecular sieve filtrate it is filled with in described biofilter
For 800m2/ g, tap density is 2.1g/cm3, bulk density is 0.9g/cm3。
Described biological nest is made up of six cell body being sequentially communicated, and the bottom of described each cell body is equipped with exposure
Trachea, is all filled with Taylor's filler for flower ring in each cell body.Preferably, described sewage in biological nest in
Flow in " S " type path；Aeration tube in cell body equidistantly arranges；Taylor's filler for flower ring proper alignment exists
In cell body in biological nest.
Described current generating system is made up of aerator and training wall.Preferably, described training wall is fluid-tight
Macromolecule flow-guiding cloth.
Described biomembrane purification system is to lay suspension type filler in the underwater in lake.Described suspension
Formula filler is made up of interspersed being fixed on axial cord of ribbon formula filler.Suspension type filler is at biological purification system
Region in be uniformly distributed, make gas and water can be fully contacted with suspension type filler, effectively process stream
Dynamic slow lake water.
Described aquatic ecosystem includes the water plant along lakeside plantation and cultivation water in lake
Lively thing.Preferably, water plant includes emergent aquactic plant, floatingleaved plant and submerged plant etc.；Aquatic dynamic
Thing includes Hypophthalmichthys molitrix, Aristichthys nobilis, mullet, silver xenocypris fish, patina ring grain spiral shell and shellfish etc..
The combined remediation method of above-described eutrophic lake, also includes periodically adding in lake
The step of microbial cleaning preparation.During heavy rains large amount of sewage enter when lake impacts contact scar or
When a large amount of algae occurs in lake, in lake, add microbial cleaning preparation.
Described microbial cleaning preparation is microbial bacterial agent, it is preferred that include bacillus subtilis, anti-nitre
Change bacterium and photosynthetic bacteria etc..
Compared with prior art, the invention has the beneficial effects as follows: the present invention by be used in combination biofilter,
Biological nest, current generating system, biomembrane purification system, aquatic ecosystem and ecological floating island, to eutrophy
The Lake Water changed processes, and builds necessary condition for repairing water ecology, builds healthy lake raw
State system, improves the self-purification capacity of water body in lake, thus realizes purifying water body in lake and repairing aquatic ecological
Target.Large amount of sewage occurs a large amount of in entering when lake impacts contact scar or lake during heavy rains
Algae timelike lake is sprayed microbial cleaning preparation, can effectively prevent or suppress cyanophyceae and chlorella outburst.
The combined remediation method non-secondary pollution of the present invention, later stage operation cost is low, and repairing effect is good, purifies effect
Fruit is lasting, and the inventive method can meet the requirement of scale, through engineering approaches.
Accompanying drawing explanation
Fig. 1 is the structural representation of biological nest in embodiment；
Fig. 2 is the process chart of the combined remediation method of the eutrophic lake of embodiment.
Detailed description of the invention
In order to more fully understand the technology contents of the present invention, below in conjunction with the specific embodiment skill to the present invention
Art scheme is described further and illustrates.
Embodiment 1
Using certain eutrophic lake, as test block, (it is flat that the gross area in this lake is about 0.178 to the present embodiment
Fang Gongli), it is provided that the combined remediation method of a kind of eutrophic lake, first water is set by lake
Pump, biofilter, biological nest, sedimentation tank and microbial cleaning preparation delivery device, lay in lake
Current generating system, biomembrane purification system, aquatic ecosystem and ecological floating island.Specific as follows:
14 biofilters in parallel are set near lake, 1 biological nest, 1 sedimentation tank, 1
Microbial cleaning preparation delivery device, wherein biofilter, biological nest, sedimentation tank are sequentially communicated, and lead to
Cross water pump to be evacuated in biofilter by the water in lake, be back to lake through the water of sedimentation tank precipitation process
In.In lake, lay 27 aerators and the training wall of a length of 1160m, thus constitute current generating system,
Described training wall is fluid-tight macromolecule flow-guiding cloth.21500m is laid in the underwater in lake2Outstanding
Hanging filler, constitutes biomembrane purification system.5 artificial ecological floating island (gross areas are built in lake
For 4342.1m2).Extend from bank, lake to lake center direction, plant emergent vegetation zone successively, float
Leaf vegetational zone and submerged plant band, the gross area of vegetational zone is 16810m2, put in a suitable place to breed in lake simultaneously
15600 tailed silver carps, 5000 tail Aristichthys nobiliss, 520 tail silver xenocypris fishes, 520 mullet, 100kg patina ring grain spiral shell,
100kg shellfish, thus constitutes aquatic ecosystem.
Zeolite molecular sieve filtrate (or zeolite composite molecular screen filtrate) it is filled with, boiling in described biofilter
The specific surface of stone molecular sieve filtrate is 800m2/ g, tap density is 2.1g/cm3, bulk density is 0.9g/cm3。
Described biological nest is made up of, as it is shown in figure 1, sewage is in biological nest six cell body being sequentially communicated
Flow in " S " type path.Taylor's filler for flower ring of proper alignment all it is filled with in each cell body, each
The bottom of cell body is equipped with the aeration tube of equidistantly arrangement, each aeration tube all with the wind being located at outside biological nest
Machine connects, blower fan provide air for each aeration tube.
Described suspension type filler is made up of interspersed being fixed on axial cord of ribbon formula filler.Suspension type filler
It is uniformly distributed in the region of biological purification system, makes gas and water fully can connect with suspension type filler
Touch, effectively process the lake water that flowing velocity is slower.
Described microbial cleaning preparation delivery device is built with microbial cleaning preparation, microbial cleaning system
Agent is microbial bacterial agent, including bacillus subtilis, denitrifying bacterium and photosynthetic bacteria etc..
When eutrophic lake is repaired, by water pump, the water in lake is pumped to biofilter
In, the water processed through biofilter flows in biological nest and carries out advanced treating, and then water flows into sedimentation tank again
In carry out precipitation process.Periodic cleaning is deposited on the mud bottom sedimentation tank makes mud discharge outside sedimentation tank.
The water processed through sedimentation tank flows back in lake again.After current go back to lake, use current generating system, life simultaneously
Water in lake is processed by thing film cleaning system, aquatic ecosystem and ecological floating island.In lake
Water constantly pumps in biofilter, the most constantly flows back in lake through the water of sedimentation tank precipitation process, by
This constantly circulates and carries out combine d bioremediation process.Additionally, large amount of sewage enters lake and causes punching during heavy rains
When hitting contact scar or when a large amount of algae occurs in lake, by microbial cleaning preparation delivery device to lake
Middle sandblasting microbial cleaning preparation, prevents or suppresses cyanophyceae and chlorella outburst.Eutrophic lake is carried out
The technological process of combine d bioremediation is as shown in Figure 2.
Being repaired this eutrophic lake by above-mentioned method, continuous service 2 years, in Lake Water
Total nitrogen (TN), total phosphorus (TP), ammonia nitrogen (NH3-N) clearance all reach more than 85%, water quality by
Bad V class standard brings up to IV class standard.Carrying out long-term repair (5-10), water quality can bring up to III class
Standard.
Described nitrogen removal rate=(water inlet total nitrogen concentration-water outlet total nitrogen concentration)/water inlet total nitrogen concentration ×
100%.The clearance of total phosphorus and ammonia nitrogen is analogized.
The above only further illustrates the technology contents of the present invention with embodiment, in order to reader more holds
Readily understood, but do not represent embodiments of the present invention and be only limitted to this, any technology done according to the present invention is prolonged
Stretch or recreate, all being protected by the present invention.
Claims (8)
1. the combined remediation method of an eutrophic lake, it is characterised in that comprise the following steps:
S1, being inputted in biofilter by the water in lake by water pump, the water processed through biofilter depends on again
Secondary flow through biological nest and sedimentation tank processes；And periodically the mud deposited in sedimentation tank is discharged；
Described biological nest is made up of six cell body being sequentially communicated, and the bottom of described each cell body is equipped with exposure
Trachea, is all filled with Taylor's filler for flower ring in each cell body；Described aeration tube is all connected with blower fan, by wind
Machine provides air for aeration tube；
S2, through sedimentation tank process water again flow back to lake；In lake, simultaneously with current generating system, life
Water in lake is processed by thing film cleaning system, aquatic ecosystem and ecological floating island；
Described current generating system is made up of aerator and training wall.
The combined remediation method of a kind of eutrophic lake, its feature exists
In, it is filled with zeolite molecular sieve filtrate, the specific surface of described zeolite molecular sieve filtrate in described biofilter
For 800m2/ g, tap density is 2.1g/cm3, bulk density is 0.9g/cm3。
The combined remediation method of a kind of eutrophic lake, its feature exists
In, the described water processed through biofilter flows in " S " type path in biological nest.
The combined remediation method of a kind of eutrophic lake, its feature exists
In, described training wall is fluid-tight macromolecule flow-guiding cloth.
The combined remediation method of a kind of eutrophic lake, its feature exists
In, described biomembrane purification system is to lay suspension type filler in the underwater in lake.
The combined remediation method of a kind of eutrophic lake, its feature exists
Include along aquatic dynamic in lake of the water plant of lakeside plantation and cultivation in, described aquatic ecosystem
Thing.
7. according to the combined remediation method of a kind of eutrophic lake described in any one of claim 1-6,
It is characterized in that, also include the step periodically adding microbial cleaning preparation in lake.
The combined remediation method of a kind of eutrophic lake, its feature exists
In, there is a large amount of algae in entering when lake impacts contact scar or lake in large amount of sewage during heavy rains
Time, in lake, add microbial cleaning preparation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410784745.1A CN104512986B (en) | 2014-12-16 | 2014-12-16 | A kind of combined remediation method of eutrophic lake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410784745.1A CN104512986B (en) | 2014-12-16 | 2014-12-16 | A kind of combined remediation method of eutrophic lake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104512986A CN104512986A (en) | 2015-04-15 |
| CN104512986B true CN104512986B (en) | 2016-12-07 |
Family
ID=52788905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410784745.1A Active CN104512986B (en) | 2014-12-16 | 2014-12-16 | A kind of combined remediation method of eutrophic lake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104512986B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3239109A1 (en) * | 2016-04-28 | 2017-11-01 | Omya International AG | Surface-treated mineral material and its use in water purification |
| CN106045213A (en) * | 2016-07-14 | 2016-10-26 | 环境保护部华南环境科学研究所 | Water quality maintenance and ecological remediation method for lake landscape water body |
| CN109368802A (en) * | 2018-11-24 | 2019-02-22 | 田镇宇 | A kind of ecological restoring method of eutrophication water |
| CN115028268B (en) * | 2022-07-26 | 2023-07-14 | 安徽久吾天虹环保科技有限公司 | Combined lake water purification floating island and application method |
| CN115385527A (en) * | 2022-08-31 | 2022-11-25 | 惠州市环境科学研究所 | Ecological restoration system of landscape water body |
| CN115385454A (en) * | 2022-08-31 | 2022-11-25 | 惠州市环境科学研究所 | Ecological restoration method for landscape water body |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101048806B1 (en) * | 2008-09-30 | 2011-07-13 | 영남대학교 산학협력단 | Biofiltration System and Improvement Method of Lake Water Quality Using It |
| CN103485306B (en) * | 2013-09-02 | 2016-02-10 | 上海交通大学 | The method of lake source quality is improved based on intake artificial flowing |
| CN203545785U (en) * | 2013-11-01 | 2014-04-16 | 河南元光科技有限公司 | Eutrophic water in-situ remediation device |
-
2014
- 2014-12-16 CN CN201410784745.1A patent/CN104512986B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104512986A (en) | 2015-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104512986B (en) | A kind of combined remediation method of eutrophic lake | |
| CN206447739U (en) | A kind of wet field facilities for treating sewage | |
| CN108128967A (en) | A kind of river water body dystopy comprehensive high-efficiency processing method and system | |
| CN106007211A (en) | Farm waste water treatment method | |
| CN111115989A (en) | Breeding tail water ditch circulating treatment system | |
| CN104961289A (en) | Micro-nano aeration high-efficiency biotreatment technical system for livestock and poultry breeding wastewater | |
| CN110104904A (en) | A kind of ecological wetland system for polluted water purification and reparation | |
| CN107098481A (en) | Specificity microorganism for handling black and odorous water activates inserts | |
| CN202482167U (en) | Device for purifying cold water fish culture water in ravines of mountain areas | |
| CN114804334A (en) | Water ecological treatment system and process and application thereof | |
| CN102531277A (en) | Purification method and device of cold-water fish cultivation water body in mountain gully watershed | |
| CN202011809U (en) | Drainage and purification system for landscape water | |
| CN113149331A (en) | Pond bypass circulation water body purification system | |
| CN111689586B (en) | River sludge treatment system and water purifier preparation method | |
| CN211847624U (en) | Breeding tail water ditch circulating treatment system | |
| CN105819617B (en) | The biological thickening processing method and biological thickening device of organic chemical waste water with high salt | |
| KR101834375B1 (en) | Stagnant water bodies and river restoration system | |
| CN204958644U (en) | Micro -nano aeration high -efficiency biological processing apparatus of waste water is bred to beasts and birds | |
| CN104115778A (en) | Circulating water high-density culturing system equipment | |
| CN218642562U (en) | Water ecological treatment system | |
| KR101448892B1 (en) | Process and mothod of aquaculture Nitrogen and organic loadingwastewater Removal | |
| CN106186548A (en) | A kind of marine culture wastewater processing system and processing method | |
| CN102502972B (en) | Method using downflow biological aerated filter to treat algal slurry press filtrate | |
| CN115557626A (en) | Ectopic ecological management method for tail water of aquaculture pond | |
| CN108483624A (en) | A kind of shock resistance aquaculture governing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20150415 Assignee: Shunde District and Fengju Winning Equity Investment Partnership in Foshan City (Limited Partnership) Assignor: Yuxing Technology Development (Shenzhen) Co., Ltd. Contract record no.: X2019440020014 Denomination of invention: Combined restoring method for eutrophic lake Granted publication date: 20161207 License type: Common License Record date: 20190920 |
|
| EE01 | Entry into force of recordation of patent licensing contract |