CN105712481A - Ecological restoration method for lakes and rivers - Google Patents
Ecological restoration method for lakes and rivers Download PDFInfo
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- CN105712481A CN105712481A CN201610107061.7A CN201610107061A CN105712481A CN 105712481 A CN105712481 A CN 105712481A CN 201610107061 A CN201610107061 A CN 201610107061A CN 105712481 A CN105712481 A CN 105712481A
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- lake
- contaminated area
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- corridor restoration
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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
- 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
- C02F3/341—Consortia of bacteria
-
- 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
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/02—Odour removal or prevention of malodour
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
Abstract
The invention relates to an ecological restoration method for lakes and rivers. An exogenous pollution control technology and a water ecological restoration treatment technology are involved in the method. By means of the method, ecological restoration of lakes and rivers can be effectively achieved. After restoration, the dissolved oxygen content of lakes and rivers is significantly increased, and the chemical oxygen demand, the ammonia nitrogen content, the total phosphorus content and the total nitrogen content are obviously decreased.
Description
Technical field
The present invention relates to ecological restoration technical field, the method being specifically related to a kind of lake river corridor restoration.
Background technology
At present, ecological pollution and the situation of preventing and treating in the river course, lake of China allow of no optimist, the nutrient substance such as body eutrophication, substantial amounts of nitrogen, phosphorus are flowed into lake, river course mouth, algae and other planktons is caused to breed rapidly, the decline of water body dissolved oxygen amount, water quality deterioration, Fish and other biological mortality, form wawter bloom, and send niff.Along with environmental consciousness, the enhancing of Ecological Concept and growth in the living standard, the requirement repairing the river ecosystem being badly damaged is also more and more urgent.
Summary of the invention
In view of this, the method that it is an object of the invention to provide a kind of lake river corridor restoration.
For achieving the above object, the technical scheme is that
The method of a kind of lake river corridor restoration, including external source pollution control technology and water quality ecological repair process technology two parts；
Described external source pollution control technology comprises the following steps:
A. the artificial swamp around river course, lake is set up；
B. aquatic vegetation is set up the bank in river course, lake；
Described water quality ecological repair process technology comprises the following steps:
C. compression air is injected contaminated area, then utilize vacuum pump and well, produce air-flow in contaminated area, collect extracting and to the gas on ground and be added thereto to sodium hypochlorite；
D. microbial bacterial agent is added to river course, lake.
Further, in step C, before compressing air injection contaminated area, the pH adjusting river course, lake is 10-11.
Further, in step C, being injected by compression air in the process of contaminated area, temperature is 25-40 DEG C.
Further, in step C, being injected by compression air in the process of contaminated area, Ventilation Rate is 105-130L/h.
Further, in step C, being injected by compression air in the process of contaminated area, the aperture of sieve aperture is 6-8mm, and sieve plate spacing is 240-280mm.
Further, in step C, being injected by compression air in the process of contaminated area, the hydraulic load of stripping tower is 2.5-4.8m3/(m2·h)。
Further, in step C, the addition of sodium hypochlorite is 6-9mg/L.
Further, in step D, the addition of described microbial bacterial agent is 0.3-0.6g/L.
Further, in step D, described microbial bacterial agent is made up of following content of component: Flavobacterium 5-8 part, photosynthetic bacteria 3-7 part, ammonifiers 6-10 part, nitrifier 25-35 part and denitrifying bacterium 15-20 part.
Further, the viable count of every kind of antibacterial is no less than 1.15 × 109-1.25×109Individual/mg.
The beneficial effects of the present invention is:
River course, lake effectively can be carried out restoration of the ecosystem by the method.Compared with before repairing, the dissolved oxygen content in river course, lake is significantly improved, and COD, ammonia nitrogen, total phosphorus and total nitrogen content obtain obvious reduction.
Detailed description of the invention
Illustrated embodiment is to better present disclosure be illustrated, but is not that present disclosure is only limitted to illustrated embodiment.So embodiment is carried out nonessential improvement and adjustment according to foregoing invention content by those of ordinary skill in the art, still fall within protection scope of the present invention.
Embodiment 1
The method of a kind of lake river corridor restoration, including external source pollution control technology and water quality ecological repair process technology two parts；
Described external source pollution control technology comprises the following steps:
A. the artificial swamp around river course, lake is set up；
B. aquatic vegetation is set up the bank in river course, lake；
Described water quality ecological repair process technology comprises the following steps:
C. compression air is injected contaminated area, then utilize vacuum pump and well, produce air-flow in contaminated area, collect extracting and to the gas on ground and be added thereto to sodium hypochlorite；
D. microbial bacterial agent is added to river course, lake.
In step C, before compressing air injection contaminated area, the pH adjusting river course, lake is 10；Being injected by compression air in the process of contaminated area, temperature is 40 DEG C, and Ventilation Rate is 105L/h；The aperture of sieve aperture is 8mm, and sieve plate spacing is 240mm；The hydraulic load of stripping tower is 4.8m3/(m2H)；The addition of sodium hypochlorite is 9mg/L.
In step D, the addition of described microbial bacterial agent is 0.3g/L；Described microbial bacterial agent is composed of the following components: Flavobacterium 8g, photosynthetic bacteria 3g, ammonifiers 10g, nitrifier 25g and denitrifying bacterium 20g, the viable count of every kind of antibacterial is no less than 1.15 × 109Individual/mg.
Making to process in aforementioned manners Chongqing Taohuaxi Locality (zoo section), detection processes the dissolved oxygen of front and back, COD, ammonia nitrogen, total phosphorus and total nitrogen content, and test result is as shown in the table:
Remarks: dissolved oxygen content is measured according to " the mensuration iodimetric titration GB/T7489-1987 of water quality dissolved oxygen ", COD is measured according to " the mensuration potassium dichromate method GB/T11914-1989 of water chemical oxygen demand ", ammonia-nitrogen content is measured according to " the mensuration salicylic acid method GB7481-1987 of water quality ammonia ", total phosphorus content is measured according to " the mensuration ammonium molybdate spectrophotometric method GB11893-89 of water quality total phosphorus ", and total nitrogen content is measured according to " the mensuration alkaline chitinase of water quality total nitrogen clears up ultraviolet spectrophotometry GB11894-89 ".
Embodiment 2
The method of a kind of lake river corridor restoration, including external source pollution control technology and water quality ecological repair process technology two parts；
Described external source pollution control technology comprises the following steps:
A. the artificial swamp around river course, lake is set up；
B. aquatic vegetation is set up the bank in river course, lake；
Described water quality ecological repair process technology comprises the following steps:
C. compression air is injected contaminated area, then utilize vacuum pump and well, produce air-flow in contaminated area, collect extracting and to the gas on ground and be added thereto to sodium hypochlorite；
D. microbial bacterial agent is added to river course, lake.
In step C, before compressing air injection contaminated area, the pH adjusting river course, lake is 11；Being injected by compression air in the process of contaminated area, temperature is 25 DEG C, and Ventilation Rate is 130L/h；The aperture of sieve aperture is 6mm, and sieve plate spacing is 280mm；The hydraulic load of stripping tower is 2.5m3/(m2H)；The addition of sodium hypochlorite is 6mg/L.
In step D, the addition of described microbial bacterial agent is 0.6g/L；Described microbial bacterial agent is composed of the following components: Flavobacterium 5g, photosynthetic bacteria 7g, ammonifiers 6g, nitrifier 35g and denitrifying bacterium 15g, the viable count of every kind of antibacterial is no less than 1.25 × 109/mg.
Making to process in aforementioned manners Chongqing volt Niu Xi (drying bed section), detection processes the dissolved oxygen of front and back, COD, ammonia nitrogen, total phosphorus and total nitrogen content, and test result is as shown in the table:
Remarks: dissolved oxygen content is measured according to " the mensuration iodimetric titration GB/T7489-1987 of water quality dissolved oxygen ", COD is measured according to " the mensuration potassium dichromate method GB/T11914-1989 of water chemical oxygen demand ", ammonia-nitrogen content is measured according to " the mensuration salicylic acid method GB7481-1987 of water quality ammonia ", total phosphorus content is measured according to " the mensuration ammonium molybdate spectrophotometric method GB11893-89 of water quality total phosphorus ", and total nitrogen content is measured according to " the mensuration alkaline chitinase of water quality total nitrogen clears up ultraviolet spectrophotometry GB11894-89 ".
Embodiment 3
The method of a kind of lake river corridor restoration, including external source pollution control technology and water quality ecological repair process technology two parts；
Described external source pollution control technology comprises the following steps:
A. the artificial swamp around river course, lake is set up；
B. aquatic vegetation is set up the bank in river course, lake；
Described water quality ecological repair process technology comprises the following steps:
C. compression air is injected contaminated area, then utilize vacuum pump and well, produce air-flow in contaminated area, collect extracting and to the gas on ground and be added thereto to sodium hypochlorite；
D. microbial bacterial agent is added to river course, lake.
In step C, before compressing air injection contaminated area, the pH adjusting river course, lake is 10.5；Being injected by compression air in the process of contaminated area, temperature is 32 DEG C, and Ventilation Rate is 125L/h；The aperture of sieve aperture is 7mm, and sieve plate spacing is 265mm；The hydraulic load of stripping tower is 3.6m3/(m2H)；The addition of sodium hypochlorite is 8mg/L.
In step D, the addition of described microbial bacterial agent is 0.5g/L；Described microbial bacterial agent is composed of the following components: Flavobacterium 6g, photosynthetic bacteria 5g, ammonifiers 8g, nitrifier 30g and denitrifying bacterium 18g, the viable count of every kind of antibacterial is no less than 1.21 × 109Individual/mg.
Making to process Chongqing Pan Xihe (dragon lake section) in aforementioned manners, detection processes the dissolved oxygen of front and back, COD, ammonia nitrogen, total phosphorus and total nitrogen content, and test result is as shown in the table:
Remarks: dissolved oxygen content is measured according to " the mensuration iodimetric titration GB/T7489-1987 of water quality dissolved oxygen ", COD is measured according to " the mensuration potassium dichromate method GB/T11914-1989 of water chemical oxygen demand ", ammonia-nitrogen content is measured according to " the mensuration salicylic acid method GB7481-1987 of water quality ammonia ", total phosphorus content is measured according to " the mensuration ammonium molybdate spectrophotometric method GB11893-89 of water quality total phosphorus ", and total nitrogen content is measured according to " the mensuration alkaline chitinase of water quality total nitrogen clears up ultraviolet spectrophotometry GB11894-89 ".
Embodiment 4
The method of a kind of lake river corridor restoration, including external source pollution control technology and water quality ecological repair process technology two parts；
Described external source pollution control technology comprises the following steps:
A. the artificial swamp around river course, lake is set up；
B. aquatic vegetation is set up the bank in river course, lake；
Described water quality ecological repair process technology comprises the following steps:
C. compression air is injected contaminated area, then utilize vacuum pump and well, produce air-flow in contaminated area, collect extracting and to the gas on ground and be added thereto to sodium hypochlorite；
D. microbial bacterial agent is added to river course, lake.
In step C, before compressing air injection contaminated area, the pH adjusting river course, lake is 10.8；Being injected by compression air in the process of contaminated area, temperature is 30 DEG C, and Ventilation Rate is 118L/h；The aperture of sieve aperture is 7mm, and sieve plate spacing is 270mm；The hydraulic load of stripping tower is 4.2m3/(m2H)；The addition of sodium hypochlorite is 7mg/L.
In step D, the addition of described microbial bacterial agent is 0.4g/L；Described microbial bacterial agent is composed of the following components: Flavobacterium 6g, photosynthetic bacteria 6g, ammonifiers 7g, nitrifier 32g and denitrifying bacterium 17g, the viable count of every kind of antibacterial is no less than 1.19 × 109Individual/mg.
Making to process in aforementioned manners Ku Xi river, Chongqing (thunder man bridge section), detection processes the dissolved oxygen of front and back, COD, ammonia nitrogen, total phosphorus and total nitrogen content, and test result is as shown in the table:
Remarks: dissolved oxygen content is measured according to " the mensuration iodimetric titration GB/T7489-1987 of water quality dissolved oxygen ", COD is measured according to " the mensuration potassium dichromate method GB/T11914-1989 of water chemical oxygen demand ", ammonia-nitrogen content is measured according to " the mensuration salicylic acid method GB7481-1987 of water quality ammonia ", total phosphorus content is measured according to " the mensuration ammonium molybdate spectrophotometric method GB11893-89 of water quality total phosphorus ", and total nitrogen content is measured according to " the mensuration alkaline chitinase of water quality total nitrogen clears up ultraviolet spectrophotometry GB11894-89 ".
Embodiment 5
The method of a kind of lake river corridor restoration, including external source pollution control technology and water quality ecological repair process technology two parts；
Described external source pollution control technology comprises the following steps:
A. the artificial swamp around river course, lake is set up；
B. aquatic vegetation is set up the bank in river course, lake；
Described water quality ecological repair process technology comprises the following steps:
C. compression air is injected contaminated area, then utilize vacuum pump and well, produce air-flow in contaminated area, collect extracting and to the gas on ground and be added thereto to sodium hypochlorite；
D. microbial bacterial agent is added to river course, lake.
In step C, before compressing air injection contaminated area, the pH adjusting river course, lake is 10.3；Being injected by compression air in the process of contaminated area, temperature is 28 DEG C, and Ventilation Rate is 109L/h；The aperture of sieve aperture is 6mm, and sieve plate spacing is 275mm；The hydraulic load of stripping tower is 2.9m3/(m2H)；The addition of sodium hypochlorite is 9mg/L.
In step D, the addition of described microbial bacterial agent is 0.6g/L；Described microbial bacterial agent is composed of the following components: Flavobacterium 8g, photosynthetic bacteria 6g, ammonifiers 9g, nitrifier 32g and denitrifying bacterium 16g, the viable count of every kind of antibacterial is no less than 1.22 × 109/mg.
Making process Chongqing Hua Longhu in aforementioned manners, detection processes the dissolved oxygen of front and back, COD, ammonia nitrogen, total phosphorus and total nitrogen content, and test result is as shown in the table:
Remarks: dissolved oxygen content is measured according to " the mensuration iodimetric titration GB/T7489-1987 of water quality dissolved oxygen ", COD is measured according to " the mensuration potassium dichromate method GB/T11914-1989 of water chemical oxygen demand ", ammonia-nitrogen content is measured according to " the mensuration salicylic acid method GB7481-1987 of water quality ammonia ", total phosphorus content is measured according to " the mensuration ammonium molybdate spectrophotometric method GB11893-89 of water quality total phosphorus ", and total nitrogen content is measured according to " the mensuration alkaline chitinase of water quality total nitrogen clears up ultraviolet spectrophotometry GB11894-89 ".
Embodiment 6
The method of a kind of lake river corridor restoration, including external source pollution control technology and water quality ecological repair process technology two parts；
Described external source pollution control technology comprises the following steps:
A. the artificial swamp around river course, lake is set up；
B. aquatic vegetation is set up the bank in river course, lake；
Described water quality ecological repair process technology comprises the following steps:
C. compression air is injected contaminated area, then utilize vacuum pump and well, produce air-flow in contaminated area, collect extracting and to the gas on ground and be added thereto to sodium hypochlorite；
D. microbial bacterial agent is added to river course, lake.
In step C, before compressing air injection contaminated area, the pH adjusting river course, lake is 10.7；Being injected by compression air in the process of contaminated area, temperature is 37 DEG C, and Ventilation Rate is 126L/h；The aperture of sieve aperture is 7mm, and sieve plate spacing is 245mm；The hydraulic load of stripping tower is 2.6m3/(m2H)；The addition of sodium hypochlorite is 7mg/L.
In step D, the addition of described microbial bacterial agent is 0.6g/L；Described microbial bacterial agent is composed of the following components: Flavobacterium 5g, photosynthetic bacteria 7g, ammonifiers 6g, nitrifier 28g and denitrifying bacterium 15-20g, the viable count of every kind of antibacterial is no less than 1.24 × 109Individual/mg.
Making process Chongqing Bi Hu in aforementioned manners, detection processes the dissolved oxygen of front and back, COD, ammonia nitrogen, total phosphorus and total nitrogen content, and test result is as shown in the table:
Remarks: dissolved oxygen content is measured according to " the mensuration iodimetric titration GB/T7489-1987 of water quality dissolved oxygen ", COD is measured according to " the mensuration potassium dichromate method GB/T11914-1989 of water chemical oxygen demand ", ammonia-nitrogen content is measured according to " the mensuration salicylic acid method GB7481-1987 of water quality ammonia ", total phosphorus content is measured according to " the mensuration ammonium molybdate spectrophotometric method GB11893-89 of water quality total phosphorus ", and total nitrogen content is measured according to " the mensuration alkaline chitinase of water quality total nitrogen clears up ultraviolet spectrophotometry GB11894-89 ".
In addition, it is to be understood that, although this specification is been described by according to embodiment, but not each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should be made as a whole by those skilled in the art, and the technical scheme in each embodiment through appropriately combined, can also form other embodiments that it will be appreciated by those skilled in the art that.
Claims (10)
1. the method for a lake river corridor restoration, it is characterised in that include external source pollution control technology and water quality ecological repair process technology two parts；
Described external source pollution control technology comprises the following steps:
A. the artificial swamp around river course, lake is set up；
B. aquatic vegetation is set up the bank in river course, lake；
Described water quality ecological repair process technology comprises the following steps:
C. compression air is injected contaminated area, then utilize vacuum pump and well, produce air-flow in contaminated area, collect extracting and to the gas on ground and be added thereto to sodium hypochlorite；
D. microbial bacterial agent is added to river course, lake.
2. the method for a kind of lake according to claim 1 river corridor restoration, it is characterised in that: in step C, before compressing air injection contaminated area, the pH adjusting river course, lake is 10-11.
3. the method for a kind of lake according to claim 1 river corridor restoration, it is characterised in that: in step C, being injected by compression air in the process of contaminated area, temperature is 25-40 DEG C.
4. the method for a kind of lake according to claim 1 river corridor restoration, it is characterised in that: in step C, being injected by compression air in the process of contaminated area, Ventilation Rate is 105-130L/h.
5. the method for a kind of lake according to claim 1 river corridor restoration, it is characterised in that: in step C, being injected by compression air in the process of contaminated area, the aperture of sieve aperture is 6-8mm, and sieve plate spacing is 240-280mm.
6. the method for a kind of lake according to claim 1 river corridor restoration, it is characterised in that: in step C, being injected by compression air in the process of contaminated area, the hydraulic load of stripping tower is 2.5-4.8m3/(m2·h)。
7. the method for a kind of lake according to claim 1 river corridor restoration, it is characterised in that in step C, the addition of sodium hypochlorite is 6-9mg/L.
8. the method for a kind of lake according to claim 1 river corridor restoration, it is characterised in that in step D, the addition of described microbial bacterial agent is 0.3-0.6g/L.
9. the method for a kind of lake according to claim 1 river corridor restoration, it is characterized in that, in step D, described microbial bacterial agent is made up of following content of component: Flavobacterium 5-8 part, photosynthetic bacteria 3-7 part, ammonifiers 6-10 part, nitrifier 25-35 part and denitrifying bacterium 15-20 part.
10. the method for a kind of lake according to claim 9 river corridor restoration, it is characterised in that the viable count of every kind of antibacterial is no less than 1.15 × 109-1.25×109Individual/mg.
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| CN201610107061.7A CN105712481A (en) | 2016-02-26 | 2016-02-26 | Ecological restoration method for lakes and rivers |
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| CN201610107061.7A CN105712481A (en) | 2016-02-26 | 2016-02-26 | Ecological restoration method for lakes and rivers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106348449A (en) * | 2016-08-31 | 2017-01-25 | 云南能投生态环境科技有限公司 | Degraded lake restoration method |
| CN109368802A (en) * | 2018-11-24 | 2019-02-22 | 田镇宇 | A kind of ecological restoring method of eutrophication water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348449A (en) * | 2016-08-31 | 2017-01-25 | 云南能投生态环境科技有限公司 | Degraded lake restoration method |
| CN109368802A (en) * | 2018-11-24 | 2019-02-22 | 田镇宇 | A kind of ecological restoring method of eutrophication water |
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Application publication date: 20160629 |