CN105502674B - The method of barren substrate water ecology reparation - Google Patents
The method of barren substrate water ecology reparation Download PDFInfo
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- CN105502674B CN105502674B CN201610088106.0A CN201610088106A CN105502674B CN 105502674 B CN105502674 B CN 105502674B CN 201610088106 A CN201610088106 A CN 201610088106A CN 105502674 B CN105502674 B CN 105502674B
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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
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
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- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of method of barren substrate water ecology reparation, comprise the following steps：(1) water-bed soil property detection；(2) soil improvement；(3) planting submerged plant is planted：Planting density is 80 100 plants/m2；(4) water body water level is improved；(5) submerged plant Ecological Stabilization；(6) aquatic animal is launched：After submerged plant coverage rate reaches more than 60%, aquatic animal is launched；(7) submerged plant coverage rate reaches more than 60%, and water quality reaches sets requirement, repairs and completes.The method low-carbon of water ecology reparation of the present invention, environmental protection, non-secondary pollution solve the problems, such as barren substrate cause submerged plant can not normal growth, accelerate duration of barren substrate Water Ecological Recovery, improve the success rate of engineering.
Description
Technical field
The present invention relates to water ecology recovery technique, more particularly to a kind of method of barren substrate water ecology reparation.
Background technology
Water Ecological Recovery is to utilize Principles of Ecosystem, using various technological means repairing damages or eutrophication pollution
Water ecosystem group and structure, rebuild healthy aquatic ecosystem, repair and strengthen the major function of aquatic ecosystem.It is main
If by being repaired water bottom plantation purification of water quality ability is strong, annidation is good various submerged plants, using heavy
Photosynthetic oxygen evolution of water plant etc. acts on, and is aided with configuration aquatic animal, microorganism, zooplankter etc., builds healthy and stable water
The body ecosystem, water body is realized normal material circulation and energy flow, and possess certain self-purification capacity.
In submerged plant Water Ecological Recovery engineering, submerged plant can normal growth with survival be the technology core and pass
Key, it is directly connected to the quality and success rate of engineering construction.But by Sediment Dredging and newly-built lake sediment usually by
It is barren in its substrate fertility, plantation and the normal growth of submerged plant can not be met, cause submerged plant in the coverage rate at the bottom
The problem of not high enough, undergrowth, cause landscape effect poor, can not play the due photosynthetic production oxygen of submerged plant, purify water,
The effect of subaqual landscape is built, can not only influence the sense organ aesthetic effect of people, and influence water quality, the construction work of engineering
Phase, or even ultimately result in and can not carry out Ecological Restoration Project.
Usual barren substrate Ecological Restoration Project mainly improves substrate fertility, but the method by adding a large amount of organic fertilizers
Undoubtedly to the secondary pollution of water body in damaged condition, not only aggravate the difficulty of Water Ecological Recovery engineering and increase construction cost,
And be a kind of way of high-carbon, do not meet the requirement of national low-carbon environment-friendly.
The content of the invention
Based on this, the purpose of the present invention is to improve a kind of method of the barren substrate water ecology reparation of low-carbon environment-friendly.
Specific technical scheme is as follows：
A kind of method of barren substrate water ecology reparation, comprises the following steps：
(1) water-bed soil property detection：Detect the organic matter of water-bed soil property, available phosphorus, effective potassium, full nitrogen, pH value；
(2) soil improvement：Soil property is improved according to the testing result of step (1), by fulvic acid spray solution in soil
Matter surface, fountain height are 0.3-0.6g fulvic acids/m2, turn over and cultivate；Sprayed again once after 2-4 days, fountain height is 0.3-0.6g yellow rotten
Acid/m2；Spray aqua calcis and adjust soil property pH value to 6.5-8；
(3) planting submerged plant is planted：Planting density is 80-100 strains/m2；
(4) water body water level is improved：After submerged plant planting, water body water level is improved to 0.4-0.6m, sprays fulvic acid
Solution, fountain height are 0.05-0.1g fulvic acids/L, every sprinkling in 5-7 days once, until water transparency reaches 0.4-0.6m,
Water body water level is improved again to 1.0m or setting water level；
(5) submerged plant Ecological Stabilization：Submerged plant growth situation is observed, reseeding submerged plant makes the covering of submerged plant
Rate reaches more than 50%, sprays a fulvic acid solution every 12-15 days, fountain height is 0.1-0.2g fulvic acids/m2；
(6) aquatic animal is launched：After submerged plant coverage rate reaches more than 60%, aquatic animal is launched；
(7) repair and complete：Submerged plant coverage rate reaches more than 60%, and water quality reaches sets requirement, repairs and completes.
In wherein some embodiments, the submerged plant is selected from eel grass, watermifoil, hydrilla verticillata, red line grass or Yi Le
Algae.
In wherein some embodiments, the aquatic animal be selected from fancy carp, mandarin fish, snakeheaded fish, pike, freshwater snailses, shellfish, clam,
Pond crayfish or krill.
In wherein some embodiments, the throw-in density of the aquatic animal is per 1000m2Launch fish：1-15 bars are light
Water snail 1-10kg, shrimps 1-10kg, shellfish 1-15kg.
In wherein some embodiments, in step (2), the testing result of step (1) is organic matter ＜ 20g/kg, available phosphorus
When ＜ 20mg/kg, effective potassium ＜ 100mg/kg, full nitrogen ＜ 1.0g/kg, the fountain height control of fulvic acid is yellow rotten for 0.3-0.6g
Acid/m2。
In wherein some embodiments, it is characterised in that in step (3), before submerged plant planting, foliage spray concentration is
The 0.1-0.2g/L fulvic acid aqueous solution.
In wherein some embodiments, the compound method of the fulvic acid solution is：By purity>50% fulvic acid powder
It is dissolved in water, controlled concentration 0.05-1.0g/L.
The principle and advantage of the present invention is as follows：
Humic acid is the remains of animals and plants remains, mainly plant, by the decomposition and conversion of microorganism, and it is geochemical
A kind of macromolecular organic polymer that a series of processes learned are formed and accumulated, its chemical constitution is complicated, with carboxyl, phenol
Base, ketone group isoreactivity group.Wherein fulvic acid is humic acid middle-molecular-weihydroxyethyl minimum, activity is maximum, function mass contg is more one
Class.Fulvic acid can make soil particle mutually be bonded to stable aggregate, and then form soil internal multi-stage structure and multistage
Porous, water inside bed mud, fertilizer, air and heat can be coordinated, good growth and development environment is provided for plant；In addition, fulvic acid
Plant growth can be stimulated, promotes root growth, strengthens respiratory intensity and intensity of photosynthesis, influences cell leakage and infiltration
Pressure, physiological metabolism and enzyme activity are improved, strengthens resistance of plant etc..
Fulvic acid is applied in submerged plant Water Ecological Recovery, its is adding less, will not be right without macronutrient
Water body causes secondary pollution, and can play a part of sediment improves and promote submerged plant growth.The water body life of the present invention
The method low-carbon of state reparation, environmental protection, non-secondary pollution solve barren substrate cause submerged plant can not normal growth ask
Topic, the duration of barren substrate Water Ecological Recovery is accelerated, improve the success rate of engineering.
Embodiment
The application is further elaborated by the following examples.
The present embodiment：The permanent big spring all man-made lake projects in Guangdong Enping City, a kind of method of barren substrate water ecology reparation, bag
Include following steps：
(1) water-bed soil property detection：Detect the organic matter of water-bed soil property, available phosphorus, effective potassium, full nitrogen, pH value；
The result of soil property detection is as follows：It is organic matter 5.2g/kg, available phosphorus 4.7mg/kg, effective potassium ＜ 38.5mg/kg, complete
Nitrogen ＜ 0.5g/kg, pH8.1；
(2) soil improvement：Soil property is improved according to the testing result of step (1), by fulvic acid solution, (fulvic acid is molten
The compound method of liquid is：By purity>50% fulvic acid powder is dissolved in water, controlled concentration 0.5g/L) soil property surface is sprayed on,
Fountain height is 0.5g fulvic acids/m2, turn over and cultivate；Sprayed again once after 2-4 days, fountain height is 0.5g fulvic acids/m2；Spray hydroxide
Calcium solution adjusts soil property pH value to 6.5-8；
(3) planting submerged plant is planted：Planting density is 95 plants/m2；It is black that the submerged plant is selected from eel grass, watermifoil, wheel blade
Algae, red line grass or waterweed；Before submerged plant planting, foliage spray concentration is the 0.1g/L fulvic acid aqueous solution；
(4) water body water level is improved：After submerged plant planting, raising water body water level to 0.5m, fulvic acid solution is sprayed,
Fountain height is 0.085g fulvic acids/L, every sprinkling in 7 days once, until water transparency reaches 0.5m, improves water body water again
Position is to 1.0m；
(5) submerged plant Ecological Stabilization：Submerged plant growth situation is observed, reseeding submerged plant makes the covering of submerged plant
Rate reaches more than 50%, sprays a fulvic acid solution every 12 days, fountain height is 0.2g fulvic acids/m2；
(6) aquatic animal is launched：After submerged plant coverage rate reaches more than 60%, aquatic animal is launched；It is described aquatic dynamic
Thing is selected from fancy carp, mandarin fish, snakeheaded fish, pike, freshwater snailses, shellfish, clam, pond crayfish or krill；The throw-in density of the aquatic animal is brocade
Carp 60, mandarin fish 40, freshwater snailses 5.0kg, pond crayfish 5.5kg, shellfish 8.0kg；
(7) repair and complete：Submerged plant coverage rate reaches more than 60%, and water quality reaches sets requirement, repairs and completes.
Water quality leading indicator reaches surface water Group III water quality standard (GB-3838-2002) after reparation, and water quality is as shown in the table：
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
- A kind of 1. method of barren substrate water ecology reparation, it is characterised in that comprise the following steps：(1) water-bed soil property detection：Detect the organic matter of water-bed soil property, available phosphorus, effective potassium, full nitrogen, pH value；(2) soil improvement：Soil property is improved according to the testing result of step (1), by fulvic acid spray solution in soil property table Face, fountain height are 0.3-0.6g fulvic acids/m2, turn over and cultivate；Sprayed again once after 2-4 days, fountain height is 0.3-0.6g fulvic acids/m2； Spray aqua calcis and adjust soil property pH value to 6.5-8；(3) planting submerged plant is planted：Planting density is 80-100 strains/m2；(4) water body water level is improved：After submerged plant planting, raising water body water level to 0.4-0.6m, fulvic acid solution is sprayed, Fountain height is 0.05-0.1g fulvic acids/L, every sprinkling in 5-7 days once, until water transparency reaches 0.4-0.6m, is carried again High water body water level is to 1.0m or sets water level；(5) submerged plant Ecological Stabilization：Submerged plant growth situation is observed, reseeding submerged plant reaches the coverage rate of submerged plant To more than 50%, a fulvic acid solution was sprayed every 12-15 days, fountain height is 0.1-0.2g fulvic acids/m2；(6) aquatic animal is launched：After submerged plant coverage rate reaches more than 60%, aquatic animal is launched；(7) repair and complete：Submerged plant coverage rate reaches more than 60%, and water quality reaches sets requirement, repairs and completes.
- 2. the method for barren substrate water ecology reparation according to claim 1, it is characterised in that the submerged plant choosing From eel grass, watermifoil, hydrilla verticillata, red line grass or waterweed.
- 3. the method for barren substrate water ecology reparation according to claim 1, it is characterised in that the aquatic animal choosing From fancy carp, mandarin fish, snakeheaded fish, pike, freshwater snailses, shellfish, clam, pond crayfish or krill.
- 4. the method for barren substrate water ecology reparation according to claim 3, it is characterised in that the aquatic animal Throw-in density is per 1000m2Launch fish：1-15 bars, Freshwater Snails 1-10kg, shrimps 1-10kg, shellfish 1-15kg.
- 5. the method for the barren substrate water ecology reparation according to claim any one of 1-4, it is characterised in that step (2) in, the testing result of step (1) is organic matter ＜ 20g/kg, available phosphorus ＜ 20mg/kg, effective potassium ＜ 100mg/kg, full nitrogen During ＜ 1.0g/kg, the fountain height control of fulvic acid is 0.3-0.6g fulvic acids/m2。
- 6. the method for the barren substrate water ecology reparation according to claim any one of 1-4, it is characterised in that step (3) in, before submerged plant planting, foliage spray concentration is the 0.1-0.2g/L fulvic acid aqueous solution.
- 7. the method for the barren substrate water ecology reparation according to claim any one of 1-4, it is characterised in that the Huang The compound method of rotten acid solution is：By purity>50% fulvic acid powder is dissolved in water, controlled concentration 0.05-1.0g/L.
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| CN100457653C (en) * | 2005-11-03 | 2009-02-04 | 中国科学院水生生物研究所 | Method for purifying biological settled bed water quality |
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