CN100445220C - Silver carp, bighead carp and cladophora united algae control method - Google Patents
Silver carp, bighead carp and cladophora united algae control method Download PDFInfo
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- CN100445220C CN100445220C CNB2007100718178A CN200710071817A CN100445220C CN 100445220 C CN100445220 C CN 100445220C CN B2007100718178 A CNB2007100718178 A CN B2007100718178A CN 200710071817 A CN200710071817 A CN 200710071817A CN 100445220 C CN100445220 C CN 100445220C
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- bighead
- silver carp
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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 silver carp, bighead carp and cladophora, 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 silver carp and bighead carp are cultured in eutrophication water body with a culturing density of 60~100 g/m<3>, a culturing ratio of 3:1~4:1 and a single weight of 60~200 g; 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 silver carp, bighead and cladophora united 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: throw in silver carp and bighead in eutrophication water, the input density of silver carp and bighead is 60～100g/m in the eutrophication water
3, the input ratio of silver carp and bighead is 3: 1～4: 1, single cabrage amount of silver carp or bighead is 60～200g; In the eutrophication water of throwing in silver carp and bighead, floating net cage is set, floating net cage is the uncovered net cage that the Stainless Steel Cloth of 4～6mm is made by the aperture, 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 the sidewall of floating net cage 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 with the base 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 sheet.The present invention united that silver carp, bighead are removed the filter food of algae and water and the bristle algae to the removal of 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.The present invention is simple, can effectively reduce algae content and trophic level in the raw water of waterworks, has solved the influence of waterworks eutrophication algae concentrated feeding water to conventional treatment process, has reduced production cost, has improved product 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 73.8%.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 78.1%, the chlorophyll a average removal rate is 70.2%
Embodiment
Embodiment one: the method for present embodiment is: throw in silver carp and bighead in eutrophication water, the input density of silver carp and bighead is 60～100g/m in the eutrophication water
3, the input ratio of silver carp and bighead is 3: 1～4: 1, single cabrage amount of silver carp or bighead is 60～200g; In the eutrophication water of throwing in silver carp and bighead, floating net cage is set, floating net cage is the uncovered net cage that the Stainless Steel Cloth of 4～6mm is made by the aperture, 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 the sidewall of floating net cage 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 with the base 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 sheet.Present embodiment has been united aquatic fish-silver carp and bighead and has been controlled the breeding of algae attached to the thread bristle algae that grows on the floating net cage, has, efficiently advantage stable except that algae.Silver carp is main foodstuff with plant plankton (algae), and bighead is main foodstuff with zooplankton, and thread bristle algae can absorb nutritive substances such as a large amount of nitrogen, phosphorus.
Embodiment two: present embodiment is thrown in silver carp and bighead in eutrophication water density is 60～80g/m
3Other method is identical with embodiment one.
Embodiment three: present embodiment is thrown in silver carp and bighead in eutrophication water density is 80～100g/m
3Other method is identical with embodiment one.
Embodiment four: present embodiment input ratio of silver carp and bighead in eutrophication water is 3: 1.Other method is identical with embodiment one.
Embodiment five: present embodiment input ratio of silver carp and bighead in eutrophication water is 4: 1.Other method is identical with embodiment one.
Embodiment six: the single cabrage amount of silver carp that present embodiment is thrown in eutrophication water or bighead is 60～100g.Other method is identical with embodiment one.
Embodiment seven: the single cabrage amount of silver carp that present embodiment is thrown in eutrophication water and bighead is 100～150g.Other method is identical with embodiment one.
Embodiment eight: the single cabrage amount of silver carp that present embodiment is thrown in eutrophication water and bighead is 150～200g.Other method is identical with embodiment one.
Embodiment nine: the length of the floating net cage of present embodiment * wide * height is of a size of 1.8m * 1.8m * 1.5m.Other method is identical with embodiment one.
Embodiment ten: present embodiment is 0.016km at an area
2, average depth is the setting with floating net cage of putting in a suitable place to breed that silver carp and bighead are implemented in the pond of 3.5m, the silver carp stocking rate is 62.3g/m
3, the bighead stocking rate is 18.0g/m
3, the length of floating net cage * wide * height is of a size of 2m * 2m * 2m, places 30 floating net cages, and the distance 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 35 days observation, the water inlet total phosphorous was 0.05-0.08mg/L, and the water outlet total phosphorous is all the time less than 0.028mg/L, and average removal rate is 64%.Water inlet algae content is ten thousand/L of 2,000 ten thousand/L-5000, water outlet algae content all the time 7,000,000/below the L, the algae average removal rate is 62.8%, the average removal rate of chlorophyll a is 60.2%.Other method is identical with embodiment one.Net cage wall and the aperture of going to the bottom are less to be for the fish that prevent phytophage such as the grass carp destruction to the bristle algae of apposition growth in the net cage on the net sheet.
Claims (9)
1, a kind of silver carp, bighead and cladophora united algae control method is characterized in that silver carp, bighead and cladophora united algae control method are: throw in silver carp and bighead in eutrophication water, the input density of silver carp and bighead is 60～100g/m in the eutrophication water
3, the input ratio of silver carp and bighead is 3: 1～4: 1, single cabrage amount of silver carp or bighead is 60～200g; In the eutrophication water of throwing in silver carp and bighead, floating net cage is set, floating net cage is the uncovered net cage that the Stainless Steel Cloth of 4～6mm is made by the aperture, 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 the sidewall of floating net cage 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 with the base 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 sheet.
2, silver carp according to claim 1, bighead and cladophora united algae control method, the density that it is characterized in that in eutrophication water throwing in silver carp and bighead is 60～80g/m
3
3, silver carp according to claim 1, bighead and cladophora united algae control method, the density that it is characterized in that in eutrophication water throwing in silver carp and bighead is 80～100g/m
3
4, silver carp according to claim 1, bighead and cladophora united algae control method is characterized in that the input ratio of silver carp and bighead is 3: 1 in eutrophication water.
5, silver carp according to claim 1, bighead and cladophora united algae control method is characterized in that the input ratio of silver carp and bighead is 4: 1 in eutrophication water.
6, silver carp according to claim 1, bighead and cladophora united algae control method is characterized in that the silver carp or the single cabrage amount of bighead of throwing in are 60～100g in eutrophication water.
7, silver carp according to claim 1, bighead and cladophora united algae control method is characterized in that the silver carp and the single cabrage amount of bighead of throwing in are 100～150g in eutrophication water.
8, silver carp according to claim 1, bighead and cladophora united algae control method is characterized in that the silver carp and the single cabrage amount of bighead of throwing in are 150～200g in eutrophication water.
9, silver carp according to claim 1, bighead and cladophora united algae control method is characterized in that the length * wide * height of floating net cage is of a size of 1.8m * 1.8m * 1.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100718178A CN100445220C (en) | 2007-02-28 | 2007-02-28 | Silver carp, bighead carp and cladophora united algae control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100718178A CN100445220C (en) | 2007-02-28 | 2007-02-28 | Silver carp, bighead carp and cladophora united algae control method |
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| CN101037257A CN101037257A (en) | 2007-09-19 |
| CN100445220C true CN100445220C (en) | 2008-12-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102524133B (en) * | 2012-02-11 | 2013-11-20 | 西南大学 | Method for breeding chubs and bighead carps in reservoirs or lakes |
| CN103609423B (en) * | 2013-11-19 | 2015-06-24 | 湖北工业大学 | Method for cage cultivation of myriophyllum spicatum |
| CN103880192B (en) * | 2014-04-02 | 2015-04-22 | 环境保护部南京环境科学研究所 | Method for cooperative control of microcystis aeruginosa by using chub, bighead, silver xenocypris fish and daphnia magna |
| CN105800790B (en) * | 2016-04-15 | 2019-04-12 | 南京中科水治理股份有限公司 | A kind of eutrophication service reservoir water correction method |
| CN109399799A (en) * | 2017-08-17 | 2019-03-01 | 郑州大学 | A kind of water process algae case, water treatment system and method for treating water |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559934A (en) * | 2004-03-11 | 2005-01-05 | 厦门大学 | Method for biological repairing eutrophication of subtropical zone sea water fish culture in net cage area |
| 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 |
| JP2005341887A (en) * | 2004-06-03 | 2005-12-15 | Akio Henmi | Concrete structure |
| CN1899981A (en) * | 2005-07-20 | 2007-01-24 | 胡孟春 | Technical solution for submerged plant secondary pollution |
-
2007
- 2007-02-28 CN CNB2007100718178A patent/CN100445220C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1559934A (en) * | 2004-03-11 | 2005-01-05 | 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 |
Non-Patent Citations (2)
| Title |
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| 水体治理中鲢鳙生物操纵作用的实验研究. 崔福义等.南京理工大学学报，第28卷第6期. 2004 |
| 水体治理中鲢鳙生物操纵作用的实验研究. 崔福义等.南京理工大学学报，第28卷第6期. 2004 * |
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