CN110078301A - A method of purifying small-sized landscape lake water quality - Google Patents
A method of purifying small-sized landscape lake water quality Download PDFInfo
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- CN110078301A CN110078301A CN201910333624.8A CN201910333624A CN110078301A CN 110078301 A CN110078301 A CN 110078301A CN 201910333624 A CN201910333624 A CN 201910333624A CN 110078301 A CN110078301 A CN 110078301A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of methods for purifying small-sized landscape lake water quality, in lake, add flocculant within first day, settle suspended solid particles rapidly, improve water transparency；5th day, planting submerged plant and floating blade root plant are planted in lake；It 7th day, puts benthon in a suitable place to breed in water body, while putting silver carp seedling and bighead seedling in a suitable place to breed in water body.In the landscape lake for having wawter bloom situation, further includes adding algicide in second day, algal bloom can be prevented.The present invention can significantly improve water transparency, reduce suspension content, keep water body as clear as crystal, make water body organoleptic indicator's fast lifting, and treatment cost is well below changing water cost.Benthon can effectively reduce attachment bed mud, improve lakebed sense organ.The dispensing of other biological also can build better ecoscape.
Description
Technical field
The present invention relates to a kind of methods for purifying small-sized landscape lake water quality, and it is particularly applicable to man-made lake and small-sized natural lakes
Pool, belongs to field of environment engineering.
Background technique
With the propulsion of Ecological Civilization Construction, small-sized landscape lake is increasingly becoming town and country with its distinctive ecology and landscape value
The important component of resident's Recreational places.Small-sized landscape lake while beautifying living environment, also have regulate the climate,
It conserves water and soil, flood of regulating and storing, improve the effects of environment.However, small-sized landscape lake is a kind of more closed water body, there is water body
The features such as poor fluidity, water level are low, capacity is small.Weak so as to cause its self-purification capacity, poor anti jamming capability, water quality deterioration are fast.
People extremely take notice of generally for organoleptic indicators such as the transparencies of landscape lake water quality.But the artificial landscape lake newly built
If auxiliary construction sewage treatment facility and its later period operating cost are high.And existing man-made lake and self-assembling formation landscape impoundments,
Since space limits, do not have the condition of reconstruction sewage treatment purification facility substantially.It generallys use now and changes the mode of water and promoted
Water quality in lake, it is not only with high costs and significant wastage is caused to water resource.And currently, water resource as irreplaceable nature
Resource occupies an important position in economic development and people's lives.Water provides in limited China of available freshwater resources, China per capita
Two kilosteres or so are measured in source, only the world per capita 1/4.The water-saving common recognition and social morality for having become the whole society.Therefore, it is necessary to
A kind of small-sized landscape lake water quality of promotion saved water and energy, the especially method of organoleptic indicator.
Summary of the invention:
To solve the above-mentioned problems, the present invention, which provides one kind, can replace the small-sized landscape lake original position water quality for changing water operation net
Change method, this method can save water resource while meeting landscape lake functional requirement, save cost.Especially improving thoroughly
Lightness and reduction lake bed sediment form the upper significant effect of equal organoleptic indicators.
Technical solution of the invention is as follows: a method of purifying small-sized landscape lake water quality, comprising the following steps:
(1) it in lake, adds flocculant within first day, settles suspended solid particles rapidly, improve water transparency；
(2) the 5th days, planting submerged plant and floating blade root plant are planted in lake；
(3) the 7th days, put benthon in a suitable place to breed in water body, while putting silver carp seedling and bighead seedling in a suitable place to breed in water body.
In the landscape lake for having wawter bloom situation, further includes adding algicide in second day, algal bloom can be prevented.
The submerged plant includes Potamogeton plant, Myriophyllum plant and hornwort platymiscium；Floating blade root plant
Including Nymphaeceae and Nelumbonaceae.
The Nymphaeceae is water lily, Wang Lian and Gorgon fruit, and Nelumbonaceae is lotus.
The benthon is Cipangopaludina chinensis, Bellamya purificate, anodonta woodiana pacifica and dome pearl oyster.
The flocculant is cationic-type polyacrylamide (PAM) and aluminium polychloride (PAC), lake water 0.25- per ton
5gPAM.Lake water 1-10gPAC per ton.
The algicide is copper sulphate and citric acid, lake water 0.05-2g copper sulphate per ton, lake water 0.05-1g lemon per ton
Acid, first adding citric acid, is then added copper sulphate.
15-35 plants/the m of planting density of the submerged plant2；3-12 plants/the m of planting density of floating blade root plant2。
It is described to put silver carp seedling 5-40g/m in a suitable place to breed3, bighead seedling 5-40g/m3, benthon dispensing 15-100g/m3。
The invention has the following beneficial effects:
1. this method can significantly improve water transparency, reduce suspension content, keeps water body as clear as crystal, make water body sense
Official's index fast lifting.
2. not needing make-up water source for the promotion of small-sized landscape lake water quality using the method for flocculant and bio operon, greatly
Amount saves cities and towns water resource, and treatment cost is well below changing water cost.
3. benthon can effectively reduce attachment bed mud, lakebed sense organ is improved.The dispensing of other biological also can build more
Good ecoscape.
Detailed description of the invention
Fig. 1 is the method flow diagram that the present invention purifies small-sized landscape lake water quality.
Fig. 2 is to implement front and back transparency comparison diagram using the method for the present invention.
Fig. 3 is to implement front and back suspended solids content comparison diagram using the method for the present invention.
Fig. 4 is to implement front and back using the method for the present invention to harden lakebed wadding body bed mud content balance figure.
Fig. 5 is the content balance figure for implementing front and back COD in water body using the method for the present invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description:
The method of the small-sized landscape lake water quality of purification of the invention, comprising the following steps:
(1) it in lake, adds flocculant within first day, settles suspended solid particles rapidly, improve water transparency and be up to
70% or so；
(2) the 5th days, planting submerged plant and floating blade root plant are planted in lake；
(3) the 7th days, put benthon in a suitable place to breed in water body, while putting silver carp seedling and bighead seedling in a suitable place to breed in water body.
In the landscape lake for having wawter bloom situation, further includes adding algicide in second day, algal bloom can be prevented.
The submerged plant includes Potamogeton plant, Myriophyllum plant and hornwort platymiscium；Floating blade root plant
Including Nymphaeceae and Nelumbonaceae.
The Nymphaeceae is water lily, Wang Lian and Gorgon fruit, and Nelumbonaceae is lotus.
The benthon is Cipangopaludina chinensis, Bellamya purificate, anodonta woodiana pacifica and dome pearl oyster.
The flocculant is cationic-type polyacrylamide PAM and PB1 gene, lake water 0.25-5gPAM per ton.
Lake water 1-10gPAC per ton.
The algicide is copper sulphate and citric acid, lake water 0.05-2g copper sulphate per ton, lake water 0.05-1g lemon per ton
Acid, first adding citric acid, is then added copper sulphate.
15-35 plants/the m of planting density of the submerged plant2；3-12 plants/the m of planting density of floating blade root plant2。
It is described to put silver carp seedling 5-40g/m in a suitable place to breed3, bighead seedling 5-40g/m3, benthon dispensing 15-100g/m3。
Specifically:
1. first day in lake adds flocculant, settle suspended solid particles rapidly, improves water transparency.Second day
Algicide is added, algal bloom can be prevented.
2. the 5th day plants planting submerged plant in lake, the nutriments such as nitrogen, the phosphorus in water can be directly absorbed, water body is avoided
Eutrophication, while allelochemical is secreted, inhibit wawter bloom caused by blue algae growth.In addition, load of the plant as microorganism in lake
Body provides a large amount of suitable ecological positions, increases heterotrophic microorganism quantity in lake, effectively removes nitrogen, phosphorus, COD (COD) etc..
In terms of plant selection, native plants are paid the utmost attention to or the perennial common plant introduced that succeeded；It is special from the physiology of plant again
Property, such as easily breeding, resistance strong (cold-resistant, resistant and other tolerance ranges are wide) and well developed root system etc. comprehensively consider and carry out
Selection.The purifying plant of recommendation is as follows: submerged plant includes Potamogeton plant, Myriophyllum plant and hornwort platymiscium
Deng.Floating blade root plant includes Nymphaeceae (water lily, Wang Lian, Gorgon fruit etc.) and Nelumbonaceae (lotus etc.) etc..
3. the 7th day puts benthon in a suitable place to breed in water body, such as Cipangopaludina chinensis, Bellamya purificate, anodonta woodiana pacifica and dome
Pearl oyster etc..Can ingest algae and flocculated deposit.While improving lake water water quality, effectively slow down the accumulation of lake bed sediment.
4. putting silver carp, bighead seedling in a suitable place to breed in water body simultaneously, according to bio operon theory, silver carp flathead filters algae object in drinking water body
Matter improves the transparency of lake water.
It is illustrated below with reference to specific example, as shown in Figure 1:
First day, cationic-type polyacrylamide (PAM) is configured by 0.2% concentration in a reservoir, PAM powder is delayed
Slowly it is added to the water and is stirred continuously.Water per ton needs 1gPAM.Configuration concentration is that 0.65% aluminium polychloride (PAC) is spare, readily soluble,
Lake water per ton needs 3gPAC.
PAC and PAM is added at the same time, and two water pump operations simultaneously uniformly spray the PAC solution prepared and PAM solution
Enter in lake, guarantees that two kinds of medicaments come into full contact in lake water as far as possible.Subregion adds if lake surface is larger, divides several small pieces
Area after a section is by two kinds of adding of agent, then carries out next section.
Second day, configuration concentration was 8% copper sulphate mother liquor, and readily soluble, lake water per ton needs 0.5g copper sulphate.Configuration concentration is
5% citric acid mother liquor, readily soluble, lake water per ton needs 0.2g citric acid.Copper ion has the function of inhibiting Cells of Blue-green Algae metabolism.Lemon
Lemon acid is inhibited to pathogen and Chlorophyta biology.It simultaneously can be by summer alkaline lake-water as caused by eutrophication
PH is adjusted to neutrality level.
Copper sulphate and citric acid is added.Then copper sulphate is added in first adding citric acid.Equally as far as possible uniformly.
Start within 5th day, plants planting submerged plant and floating blade root plant.Hardened for underlying surface, production plant is heavy
Bed, root system of plant is fixed on mattress, and sink to lakebed, it is ensured that functionally unaffected.Submerged plant includes Potamogeton
Plant, Myriophyllum plant and hornwort platymiscium etc., 25 plants/m of planting density2.Floating blade root plant includes that Nymphaeceae (is slept
Lotus, Wang Lian, Gorgon fruit etc.) and Nelumbonaceae (lotus etc.) etc., 3 plants/m of planting density2。
7th day, whole silver carps, bighead and zoobenthos are put into lake.Put silver carp 10g/m in a suitable place to breed3, bighead 10g/m3, bottom
Biological (Cipangopaludina chinensis, Bellamya purificate, anodonta woodiana pacifica and dome pearl oyster etc.) is dwelt because having bed mud effect of ingesting, therefore is added
Big injected volume launches 60g/m3。
As shown in Figure 2-5, lake water transparency promotes 76% or so, reaches 120cm or more；Suspension solid content (SS) in water body
80% or so are reduced, COD reduces by 35% or so in water, reaches 32mg/L, and lakebed wadding body bed mud reduces 34% or so.
Artificial landscape lake operational management
(1) fish, river snail for being put in a suitable place to breed in water etc., function be by algae in lake of ingesting and bed mud purifying water body, therefore must not
Xiang Shuizhong launches feed.
(2) in growth period, to water body detergent power with higher, but when season, plant can rot water plant, if not
It salvages in time, nitrogen, phosphorus and organic matter can be returned to water body, cause the secondary pollution of water body.Therefore salvaging is periodically gathered in
Extra part, to prevent plant decay secondary pollution water body.Plant harvesting is right after can not only preventing plant death from rotting
Secondary pollution caused by water body, and reasonably harvesting can stimulate the growth of plant, increase phytomass and extend plant
Growth time, to improve constructed wetland plant to the improvement of water quality.
Embodiment described above is merely to illustrate technical idea and feature of the invention, in the art its object is to make
Technical staff it will be appreciated that the contents of the present invention and implement accordingly, patent model of the invention only cannot be limited with the present embodiment
It encloses, i.e., same changes or modifications made by all disclosed spirit are still fallen in the scope of the patents of the invention.
Claims (9)
1. a kind of method for purifying small-sized landscape lake water quality, which comprises the following steps:
(1) it in lake, adds flocculant within first day, settles suspended solid particles rapidly, improve water transparency；
(2) the 5th days, planting submerged plant and floating blade root plant are planted in lake；
(3) the 7th days, put benthon in a suitable place to breed in water body, while putting silver carp seedling and bighead seedling in a suitable place to breed in water body.
2. purifying the method for small-sized landscape lake water quality according to claim 1, which is characterized in that in the landscape for having wawter bloom situation
Further include adding algicide in second day in lake, prevents algal bloom.
3. purifying the method for small-sized landscape lake water quality according to claim 1, which is characterized in that the submerged plant includes eye
Sub- Lepidium plant, Myriophyllum plant and hornwort platymiscium；Floating blade root plant includes Nymphaeceae and Nelumbonaceae.
4. purifying the method for small-sized landscape lake water quality according to claim 3, which is characterized in that the Nymphaeceae be water lily,
Wang Lian and Gorgon fruit, Nelumbonaceae are lotus.
5. purifying the method for small-sized landscape lake water quality according to claim 1, which is characterized in that the benthon is China
Circle river snail, Bellamya purificate, anodonta woodiana pacifica and dome pearl oyster.
6. purifying the method for small-sized landscape lake water quality according to claim 1, which is characterized in that the flocculant is cation
Type polyacrylamide PAM and PB1 gene, lake water 0.25-5gPAM per ton.Lake water 1-10gPAC per ton.
7. purifying the method for small-sized landscape lake water quality according to claim 2, which is characterized in that the algicide is copper sulphate
And then sulfuric acid is added in citric acid, lake water 0.05-2g copper sulphate per ton, lake water 0.05-1g citric acid per ton, first adding citric acid
Copper.
8. purifying the method for small-sized landscape lake water quality according to claim 1, which is characterized in that the plantation of the submerged plant
15-35 plants/m of density2；3-12 plants/the m of planting density of floating blade root plant2。
9. purifying the method for small-sized landscape lake water quality according to claim 1, which is characterized in that described to put silver carp seedling 5- in a suitable place to breed
40g/m3, bighead seedling 5-40g/m3, benthon dispensing 15-100g/m3。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111925053A (en) * | 2020-08-05 | 2020-11-13 | 江苏江达生态科技有限公司 | Method for improving transparency of closed water body |
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| CN111925053A (en) * | 2020-08-05 | 2020-11-13 | 江苏江达生态科技有限公司 | Method for improving transparency of closed water body |
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Application publication date: 20190802 |