CN101037258A - Bighead carp, grass carp, cladophora and daphnia hyaline multi-biology cooperated algae control method - Google Patents
Bighead carp, grass carp, cladophora and daphnia hyaline multi-biology cooperated algae control method Download PDFInfo
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- CN101037258A CN101037258A CNA2007100718182A CN200710071818A CN101037258A CN 101037258 A CN101037258 A CN 101037258A CN A2007100718182 A CNA2007100718182 A CN A2007100718182A CN 200710071818 A CN200710071818 A CN 200710071818A CN 101037258 A CN101037258 A CN 101037258A
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- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The present invention relates to a method of cooperative control of alga in a water body comprising bighead carp, grass carp, cladophora and daphnia hyaline, which relates to a water treatment method and solves the problem of high operating cost and much of the by-products of the current alga control method. In the present invention bighead carp is cultured in eutrophication water body with a culturing density of 60~400 g/m<3> and a single weight of 60~200 g; grass carp is also cultured in eutrophication water body with a culturing density of 20~60 g/m<3> and a single weight of 30~100 g; the ratio of bighead carp to grass carp is 3:1~4:1; a floating net cage is arranged in the eutrophication water body, which is an open net cage made from stainless wire net having an aperture of 4~6 mm and has a length*width*height size of 1~2m*1~2m*1~2m, besides the four corners of the upper bottom of the floating net cage are provided with floater, by which the side walls of the floating net cage can overtop the water level by 0.2~0.4 m. The present invention is simple and easy, and can reduce the alga content and the trophic level in raw water of water plant effectively so as to solve the problem of that the eutrophication high algae-laden raw water affects the conventional treatment in current water plant, to reduce the cost and improve the water quality.
Description
Technical field
The present invention relates to a kind of water treatment method, be specifically related to a kind of method of utilizing algae content in the multiple fresh water hydrobiont Collaborative Control water factory eutrophic raw water.
Background technology
Body eutrophication is owing to the excessive water body effect that causes of nutritive substances such as nitrogen, phosphorus input, mainly shows as the hypertrophy of algae in the water, also follows the variation of a series of water quality and water ecology simultaneously, causes water transparency to descend water quality deterioration.Eutrophic raw water greatly influences the ordinary production of waterworks.
In existing algae-removing method, have with strong oxidizer and algicide to be chemical process except that the algae means, also having air supporting is the physico-chemical process of representative, and the physical method of Microfilter and membrane filtration or the like.The common advantage of chemical process, physical chemistry method and physical method is to remove algae efficient height, but deficiency is also respectively arranged.Medicament reaches except that Cutleriales chemical process to add, but may produce harmful by product in removing the algae process, thereby particularly the use of oxygenant causes that frond breaks and causes born of the same parents' intracellular toxin to discharge.Though method such as air supporting and membrane filtration does not have the by product problem, complicated operation, running cost are higher.
Summary of the invention
The objective of the invention is provides a kind of bighead, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method for solving running cost height, the by product problem how that existing algae control method exists.Method of the present invention is: one, putting in a suitable place to breed of bighead and grass carp: the input density of bighead is 60～100g/m in eutrophication water
3, the single cabrage amount of bighead is 60～200g; The input density of grass carp in eutrophication water is 20～60g/m
3, the single cabrage amount of grass carp is 30～100g; The ratio of bighead and grass carp is 3: 1～4: 1, two, the setting of floating net cage: with the aperture is that the Stainless Steel Cloth of 4～6mm is made open floating net cage, the length of floating net cage * wide * height is of a size of 1～2m * 1～2m * 1～2m, floating net cage upper base Corner Strapped has float, make floating net cage sidewall exceed the water surface 0.2～0.4m, floating net cage internal fixation have two parallel with sidewall, with vertical aperture, the end up and down be the nylon mesh of 1～2cm, about these two nylon mesh and base is respectively with the sidewall of floating net cage with go to the bottom and be stitched together, between two nylon mesh and the distance between the floating net cage sidewall that parallels with it be 30～35cm, apposition growth bristle algae on the nylon mesh net sheet, in the net cage density being arranged simultaneously is the transparent Magna of 10～50/L.The present invention united bighead to the filter food of algae and water remove, grass carp to the ingesting of bristle algae, transparent Magna to the removal of the filter food of algae, bristle algae to the water nutrition material, thereby reach algae content in the former water of control, reduce former water nutrition level, be beneficial to the processed conventionally purpose in waterworks.Transparent Magna breeds growth in the floating net cage of manual manufacture, promptly with the symbiosis of bristle algae, thereby avoid ingesting of bighead; The grass carp bristle algae that ingests only can grow the bristle algae, and keeps certain biomass in net cage.The present invention mainly is from ecological angle, utilize hydrobiological feeding habits and the relation of the food chain between them in the physical environment, reach controlling and removing algae, reduce the purpose of water nutrition level, thereby guaranteed the efficient of drinking water treatment, improved the biological safety that supplies water.The present invention is simple, can effectively reduce algae content and trophic level in the raw water of waterworks, solves the influence of waterworks eutrophication algae concentrated feeding water to conventional treatment process, reduces production costs, and puies forward high yield water water quality.Comparatively speaking, by product is stablized, is not had in biological algae control method effect, and biggest advantage is that running cost is low, approaches zero, and this is to be energy derive with sun power because of the biological control effect.Its ultimate principle is to adopt the growth of special organism with the integral part in control algae or other food chains.Adopt multiple biology, utilize different interbiotic synergies to reach the Cutleriales that removes of stability and high efficiency.The index that the present invention reaches is: the water inlet total phosphorous is 0.05～0.1mg/L, and the water outlet total phosphorous is all the time less than 0.02mg/L, and average removal rate is 74.2%.Water inlet algae content is 2,000 ten thousand/L～5,000 ten thousand/L, water outlet algae content all the time 5,000,000/below the L, the algae average removal rate is 77.1%, the chlorophyll a average removal rate is 69.9%.
Embodiment
Embodiment one: the method for present embodiment is: one, putting in a suitable place to breed of bighead and grass carp: the injected volume of bighead is 60～100g/m in eutrophication water
3, the single cabrage amount of bighead is 60～200g; The injected volume of grass carp in eutrophication water is 20～60g/m
3, the single cabrage amount of grass carp is 30～100g; The weight ratio of bighead and grass carp is 3: 1～4: 1, two, the setting of floating net cage: with the aperture is that the Stainless Steel Cloth of 4～6mm is made open floating net cage, the length of floating net cage * wide * height is of a size of 1～2m * 1～2m * 1～2m, floating net cage upper base Corner Strapped has float, make floating net cage sidewall exceed the water surface 0.2～0.4m, floating net cage internal fixation have two parallel with sidewall, with vertical aperture, the end up and down be the nylon mesh of 1～2cm, about these two nylon mesh and base is respectively with the sidewall of floating net cage with go to the bottom and be stitched together, between two nylon mesh and the distance between the floating net cage sidewall that parallels with it be 30～35cm, apposition growth bristle algae on the nylon mesh net sheet, in the net cage density being arranged simultaneously is the transparent Magna of 10～50/L.Present embodiment puts bighead in a suitable place to breed and grass carp can reduce nutrition contents such as water body nitrogen phosphorus effectively, and for the high algae phase blue-green algae more significant removal effect is arranged.Bighead and grass carp are raised together with the feeding habits difference that can fully utilize bighead and grass carp, thereby can both accomplish comprehensively filter food and conversion to the planktonic algae in the eutrophication water, zooplankton and chip etc., nutritive substance in the water body just can be converted into the fish organism like this, reaches the purpose that reduces the water nutrition level.
Embodiment two: the difference of present embodiment and embodiment one is that the bighead injected volume is 60～80g/m in the eutrophication water
3
Embodiment three: the difference of present embodiment and embodiment one is that the bighead injected volume is 80～100g/m in the eutrophication water
3
Embodiment four: the difference of present embodiment and embodiment one is that the grass carp injected volume is 20～40g/m in the eutrophication water
3
Embodiment five: the difference of present embodiment and embodiment one is that the grass carp injected volume is 40～60g/m in the eutrophication water
3
Embodiment six: the difference of present embodiment and embodiment one is that the single cabrage amount of the bighead of throwing in the eutrophication water is 60～130g.
Embodiment seven: the difference of present embodiment and embodiment one is that the single cabrage amount of the bighead of throwing in the eutrophication water is 130～200g.
Embodiment eight: the difference of present embodiment and embodiment two is that the single cabrage amount of the grass carp of throwing in the eutrophication water is 30～60g.
Embodiment nine: the difference of present embodiment and embodiment two is that the single cabrage amount of the bighead of throwing in the eutrophication water is 60～100g.
Embodiment ten: present embodiment is 0.016km at an area
2, average depth is the setting that putting in a suitable place to breed of bighead and grass carp and floating net cage are implemented in the pond of 3.5m, it is 65.7g/m that bighead is thrown in density
3, it is 20.6g/m that grass carp is thrown in density
3, single cabrage amount of bighead is 60～200g, and single cabrage amount of grass carp is 30～100g, and the weight ratio of bighead and grass carp is 3.5: 1; The size of floating net cage (length) is 2m * 2m * 2m, places 30 floating net cages in the pond, and the placement distance in the pond between the floating net cage is 10～15 times of floating net cage length and width, adopts rectangle to place.The average hydraulic detention time in pond is 3 days.Through 31 days observation, the water inlet total phosphorous was 0.05-0.1mg/L, and the water outlet total phosphorous is all the time less than 0.02mg/L, and average removal rate is 72.1%.Water inlet algae content is ten thousand/L of 2,000 ten thousand/L-5000, water outlet algae content all the time 5,000,000/below the L, the algae average removal rate is 74.8%, the chlorophyll a average removal rate is 68.7%.
Claims (10)
1, a kind of bighead, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method, it is characterized in that bighead, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method are: one, putting in a suitable place to breed of bighead and grass carp: the input density of bighead is 60～100g/m in eutrophication water
3, the single cabrage amount of bighead is 60～200g; The input density of grass carp in eutrophication water is 20～60g/m
3, the single cabrage amount of grass carp is 30～100g; The ratio of bighead and grass carp is 3: 1～4: 1; Two, the setting of floating net cage: with the aperture is that the Stainless Steel Cloth of 4～6mm is made open floating net cage, the length of floating net cage * wide * height is of a size of 1～2m * 1～2m * 1～2m, floating net cage upper base Corner Strapped has float, make floating net cage sidewall exceed the water surface 0.2～0.4m, floating net cage internal fixation have two parallel with sidewall, with vertical aperture, the end up and down be the nylon mesh of 1～2cm, about these two nylon mesh and base is respectively with the sidewall of floating net cage with go to the bottom and be stitched together, between two nylon mesh and the distance between the floating net cage sidewall that parallels with it be 30～35cm, apposition growth bristle algae on the nylon mesh net sheet, in the net cage density being arranged simultaneously is the transparent Magna of 10～50/L.
2, bighead according to claim 1, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method is characterized in that the bighead injected volume is 60～80g/m in the eutrophication water
3
3, bighead according to claim 1, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method is characterized in that the bighead injected volume is 80～100g/m in the eutrophication water
3
4, bighead according to claim 1, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method is characterized in that the grass carp injected volume is 20～40g/m in the eutrophication water
3
5, bighead according to claim 1, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method is characterized in that the grass carp injected volume is 40～60g/m in the eutrophication water
3
6, bighead according to claim 1, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method is characterized in that the single cabrage amount of the bighead of throwing in the eutrophication water is 60～130g.
7, bighead according to claim 1, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method is characterized in that the single cabrage amount of the bighead of throwing in the eutrophication water is 130～200g.
8, bighead according to claim 1, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method is characterized in that the single cabrage amount of the grass carp of throwing in the eutrophication water is 30～60g.
9, bighead according to claim 1, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method is characterized in that the single cabrage amount of the bighead of throwing in the eutrophication water is 60～100g.
10, bighead according to claim 1, grass carp, bristle algae and daphnia hyaline multi-biology cooperated algae control method is characterized in that floating net cage is of a size of 2m * 2m * 2m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100718182A CN100463869C (en) | 2007-02-28 | 2007-02-28 | Bighead carp, grass carp, cladophora and daphnia hyaline multi-biology cooperated algae control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100718182A CN100463869C (en) | 2007-02-28 | 2007-02-28 | Bighead carp, grass carp, cladophora and daphnia hyaline multi-biology cooperated algae control method |
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| Publication Number | Publication Date |
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| CN101037258A true CN101037258A (en) | 2007-09-19 |
| CN100463869C CN100463869C (en) | 2009-02-25 |
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| CNB2007100718182A Expired - Fee Related CN100463869C (en) | 2007-02-28 | 2007-02-28 | Bighead carp, grass carp, cladophora and daphnia hyaline multi-biology cooperated algae control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293709B (en) * | 2007-12-17 | 2010-06-16 | 哈尔滨工业大学 | Series method for removing algae by using zooplankton and filter-feeder fishes |
| CN102138542A (en) * | 2011-02-28 | 2011-08-03 | 中山大学 | Method for reserving, conserving and culturing daphnia magna |
| CN113800710A (en) * | 2021-08-31 | 2021-12-17 | 长江生态环保集团有限公司 | Device and method for combined remediation of eutrophic water body by composite biological treatment system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1255335C (en) * | 2004-03-11 | 2006-05-10 | 厦门大学 | Method for biological repairing eutrophication of subtropical zone sea water fish culture in net cage area |
| JP2005341887A (en) * | 2004-06-03 | 2005-12-15 | Akio Henmi | Concrete structure |
| CN1644535A (en) * | 2004-12-17 | 2005-07-27 | 贵州省环境科学研究设计院 | Applying method for purifying water quality technology by netting case grass planting method |
| CN1899981A (en) * | 2005-07-20 | 2007-01-24 | 胡孟春 | Technical solution for submerged plant secondary pollution |
-
2007
- 2007-02-28 CN CNB2007100718182A patent/CN100463869C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293709B (en) * | 2007-12-17 | 2010-06-16 | 哈尔滨工业大学 | Series method for removing algae by using zooplankton and filter-feeder fishes |
| CN102138542A (en) * | 2011-02-28 | 2011-08-03 | 中山大学 | Method for reserving, conserving and culturing daphnia magna |
| CN102138542B (en) * | 2011-02-28 | 2012-12-26 | 中山大学 | Method for reserving, conserving and culturing daphnia magna |
| CN113800710A (en) * | 2021-08-31 | 2021-12-17 | 长江生态环保集团有限公司 | Device and method for combined remediation of eutrophic water body by composite biological treatment system |
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| CN100463869C (en) | 2009-02-25 |
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Granted publication date: 20090225 Termination date: 20100228 |