CN101293709A - Series method for removing algae by using zooplankton and filter-feeder fishes - Google Patents
Series method for removing algae by using zooplankton and filter-feeder fishes Download PDFInfo
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- CN101293709A CN101293709A CNA2007101448424A CN200710144842A CN101293709A CN 101293709 A CN101293709 A CN 101293709A CN A2007101448424 A CNA2007101448424 A CN A2007101448424A CN 200710144842 A CN200710144842 A CN 200710144842A CN 101293709 A CN101293709 A CN 101293709A
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Abstract
The invention relates to a method for removing algae by series connection of zooplankton and filter-feeding fish, which relates to a method for controlling the removal of algae in eutrophic water. The invention can solve the problem that the algae in natural water can not be completely removed by utilizing aquatic organisms. The method of the invention is that first, at least two sluice facilities are connected with each other in series; then, the algae-containing water sequentially flows through every sluice facility; the hydraulic retention time of every sluice facility is one to three days; the zooplankton and the filter-feeding fish are alternatively stocked in the two neighboring sluice facilities; the stocked zooplankton are mainly daphnia magna which eats micro algae; at the same time, all the fishes in the sluice facility which stocks the zooplankton are completely cleaned out or predatory fishes are threw in; the stocked fishes in the sluice facility which stocks filter-feeding fishes are silver carp and bighead carp or only the silver carp is stocked. The stocking density of the silver carp is 40 to 200g/m<3>; every single silver carp weighs 60 to 500 grams; the stocking density ratio of the bighead carp and the silver carp is 1:3 to 1:5; every single bighead carp weighs 60 to 500 grams. The method of the invention can completely remove the algae in the natural water.
Description
Technical field
The present invention relates to algae removal method in a kind of control eutrophication water, belong to biology, environmental ecology and water treatment field.
Background technology
Body eutrophication is a worldwide problem, China and in the world other countries all be faced with great challenge.Body eutrophication has great harm to the ecosystem, Economic development and human health.Body eutrophication has destroyed water body self-purification ability and food chain structure, destroys view simultaneously, during the blue-green alga bloom outburst, forms paint shape algae slurry, and produces stench.The algae that body eutrophication brings sharply breeds, and has brought the deuce to pay to drinking water treatment, has increased the water treatment expense, makes effluent quality be difficult to guarantee.Even more serious is that algae can secrete nosotoxin, exists potential to threaten to HUMAN HEALTH.
All there are the eutrophication phenomenon in most of lake of China and reservoir, and blue-green alga bloom often breaks out, and existing eutrophic water body is administered or algae-removing method mainly contains biological process, chemical method, biochemical process etc.These methods all have certain effect to removing algae, but also all have deficiency, and method is more single, especially utilizes hydrobiont to remove algae, often can only be better to one or more algae removals in the natural water body, can not on the whole various algaes be controlled at lower level.Especially in the drinking water treatment field, raw water quality is had relatively high expectations, algae is too high to be difficult to satisfy its water quality demand.
Summary of the invention
The purpose of this invention is to provide a kind of method of utilizing zooplankton and filter-feeding fish series connection to remove algae, it can solve adopts hydrobiont to remove algae, can not remove the problem of algae in the natural water body fully.
The present invention finishes like this: at least two storing facilities of waters are together in series, then algae-containing water is flow through each storing facilities of water successively, hydraulic detention time in each storing facilities of water is 1～3 day, alternately put zooplankton or filter-feeding fish in a suitable place to breed in adjacent two storing facilities of waters, put zooplankton in a suitable place to breed for being the Daphnia magna of food with small-sized algae, to put the interior fish of storing facilities of water of zooplankton simultaneously in a suitable place to breed and clear up away or throw in predacious fish fully, the storing facilities of water stocked carp of putting filter-feeding fish in a suitable place to breed is silver carp and bighead, perhaps only puts silver carp in a suitable place to breed; The silver carp breeding density of putting silver carp and bighead in a suitable place to breed or only putting silver carp in a suitable place to breed is 40-200g/m
3, the single tail fish of silver carp heavily is 60-500g, and bighead is 1: 3～1: 5 with silver carp breeding density ratio, and the single tail fish of bighead heavily is 60-500g.
The present invention has following beneficial effect: with silver carp and bighead is mainly ingest large size algae, particularly bloom blue algae of the filter-feeding fish of representative, for the undersized algae poor effect of ingesting; The such zooplankton of Daphnia magna then mainly ingest undersized green alga and diatom etc., but not good for the large size colony blue-green algae effect of ingesting.The present invention combines different hydrobionts all have control and removal effect to planktonic algae mechanism.Filter-feeding silver carp and bighead rely on its filter feeder official's structure that colony's bloom blue algae is had comparatively significant removal effect, and zooplanktons such as Daphnia magna then have removal effect preferably to small algae.The present invention can also the single culture Daphnia magna and is put silver carp separately in a suitable place to breed, and the storing facilities of water that will cultivate Daphnia magna and silver carp then carries out series combination, utilizes its feeding habits difference to reach the purpose of removing algae.Therefore, the present invention has fully utilized the feeding habits difference of zooplankton and filter-feeding fish, thereby has overcome the unicity of biological method, algae in the eutrophication water can be removed on the whole.
Embodiment
Embodiment one: a kind of method of utilizing zooplankton and filter-feeding fish series connection to remove algae of present embodiment is finished like this: at least two storing facilities of waters are together in series, then algae-containing water is flow through each storing facilities of water successively, hydraulic detention time in each storing facilities of water is 1～3 day, alternately put zooplankton or filter-feeding fish in a suitable place to breed in adjacent two storing facilities of waters, put zooplankton in a suitable place to breed for being the Daphnia magna of food with small-sized algae, to put the interior fish of storing facilities of water of zooplankton simultaneously in a suitable place to breed and clear up away or throw in predacious fish fully, to eliminate the filter food of filter-feeding fish to Daphnia magna, the storing facilities of water stocked carp of putting filter-feeding fish in a suitable place to breed is silver carp and bighead or only puts silver carp in a suitable place to breed; The silver carp breeding density of putting silver carp and bighead in a suitable place to breed or only putting silver carp in a suitable place to breed is 40-200g/m
3, the single tail fish of silver carp heavily is 60-500g, and bighead is 1: 3～1: 5 with silver carp breeding density ratio, and the single tail fish of bighead heavily is 60-500g.
Embodiment two: zooplankton is adopted and manually adds or the mode of putting in a suitable place to breed of self-sow in the storing facilities of water of putting zooplankton in a suitable place to breed of present embodiment, can select a selection according to actual needs.Other method steps is identical with embodiment one.
Embodiment three: the storing facilities of water of present embodiment is water reservoir, reservoir or lake, can remove algae to above-mentioned these waters and handle.Other method steps is identical with embodiment one.
Embodiment four: the storing facilities of water of present embodiment is that inner artificial division the in pond, reservoir or lake constitutes, and takes such mode that storing facilities of water is set, and is convenient to management and removes algae.Other method steps is identical with embodiment one.
Embodiment five: the difference of present embodiment and embodiment one is: the silver carp breeding density of present embodiment is 120g/m
3, the single tail fish of silver carp heavily is 280g, and bighead is 1: 4 with silver carp breeding density ratio, and the single tail fish of bighead heavily is 280g.Average removal rate to algae can reach 92%.
Embodiment six: the difference of present embodiment and embodiment one is: the algae content of the algae-containing water of present embodiment is 3,000 ten thousand/L～7,000 ten thousand/L, and silver carp breeding density is 120g/m
3, the single tail fish of silver carp heavily is 280g, can reach 91.2% to the average removal rate of algae.
Embodiment seven: the difference of present embodiment and embodiment one is: the algae content of the algae-containing water of present embodiment is 3,000 ten thousand/L～7,000 ten thousand/L, and silver carp breeding density is 40g/m
3, the single tail fish of silver carp heavily is 280g, can reach 84.7% to the average removal rate of algae.
Embodiment eight: the difference of present embodiment and embodiment one is: the algae content of the algae-containing water of present embodiment is 3,000 ten thousand/L～7,000 ten thousand/L, and silver carp breeding density is 200g/m
3, the single tail fish of silver carp heavily is 280g, can reach 90.5% to the average removal rate of algae.
Embodiment nine: the method for present embodiment is finished like this: the pond of 3 long * wide * height=4m * 2m * 2.5m is together in series, do not throw in silver carp in the 1st pond and the 3rd pond, only put Daphnia magna in a suitable place to breed, throwing in density in the 2nd pond is 120g/m
3Silver carp, the single tail counterpoise of silver carp 280g, each pond hydraulic detention time is 1 day.Through 30 days observation, water inlet algae content was ten thousand/L of 1,000 ten thousand/L-5000, water outlet algae content all the time 5,000,000/below the L, the algae average removal rate is 90.5%, the chlorophyll a average removal rate is 89.3%.
Embodiment ten: the method for present embodiment is finished like this: with 3 volumes is 20m
3The pond series connection is placed, and puts Daphnia magna in a suitable place to breed in the 1st pond and the 3rd pond, and it is 120g/m that density is thrown in the 2nd pond
3Silver carp, the single tail counterpoise of silver carp 280g, single tank waterpower residence time is 1 day, it is 20m that 2 volumes are set separately in addition
3The pond, Daphnia magna is put in a pond in a suitable place to breed, and it is 120g/m that density is thrown in another pond
3Silver carp, the single tail counterpoise of silver carp 280g, single tank waterpower residence time is 1 day, adopting Tianjin algae summer and autumn content is that the former water of 3,000 ten thousand/L～7,000 ten thousand/L is the experiment water inlet.Test-results shows that be 91.2% with the series connection of Daphnia magna and filter-feeding silver carp to the average removal rate of algae, and utilize Daphnia magna separately and adopt separately the filter-feeding silver carp that the average removal rate of algae is respectively 42.3% and 75.2%, illustrate and utilize zooplankton and filter-feeding fish series connection to utilize zooplankton or filter-feeding fish separately except that the effect of algae will significantly be better than.
Claims (5)
1, a kind of method of utilizing zooplankton and filter-feeding fish series connection to remove algae, it is characterized in that it finishes like this: at least two storing facilities of waters are together in series, then algae-containing water is flow through each storing facilities of water successively, hydraulic detention time in each storing facilities of water is 1～3 day, alternately put zooplankton or filter-feeding fish in a suitable place to breed in adjacent two storing facilities of waters, put zooplankton in a suitable place to breed for being the Daphnia magna of food with small-sized algae, to put the interior fish of storing facilities of water of zooplankton simultaneously in a suitable place to breed and clear up away or throw in predacious fish fully, the storing facilities of water stocked carp of putting filter-feeding fish in a suitable place to breed is silver carp and bighead or only puts silver carp in a suitable place to breed; The silver carp breeding density of putting silver carp and bighead in a suitable place to breed or only putting silver carp in a suitable place to breed is 40-200g/m
3, the single tail fish of silver carp heavily is 60-500g, and bighead is 1: 3～1: 5 with silver carp breeding density ratio, and the single tail fish of bighead heavily is 60-500g.
2, a kind of method of utilizing zooplankton and filter-feeding fish series connection to remove algae according to claim 1 is characterized in that the described interior zooplankton employing of storing facilities of water of putting zooplankton in a suitable place to breed manually adds or the mode of putting in a suitable place to breed of self-sow.
3, a kind of method of utilizing zooplankton and filter-feeding fish series connection to remove algae according to claim 1 and 2 is characterized in that described storing facilities of water is water reservoir, reservoir or lake.
4, a kind of method of utilizing zooplankton and filter-feeding fish series connection to remove algae according to claim 1 and 2 is characterized in that described storing facilities of water is that inner artificial division the in pond, reservoir or lake constitutes.
5, a kind of method of utilizing zooplankton and filter-feeding fish series connection to remove algae according to claim 1 is characterized in that described silver carp breeding density is 120g/m
3, the single tail fish of silver carp heavily is 280g, and bighead is 1: 4 with silver carp breeding density ratio, and the single tail fish of bighead heavily is 280g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101448424A CN101293709B (en) | 2007-12-17 | 2007-12-17 | Series method for removing algae by using zooplankton and filter-feeder fishes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101448424A CN101293709B (en) | 2007-12-17 | 2007-12-17 | Series method for removing algae by using zooplankton and filter-feeder fishes |
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| CN101293709A true CN101293709A (en) | 2008-10-29 |
| CN101293709B CN101293709B (en) | 2010-06-16 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138542A (en) * | 2011-02-28 | 2011-08-03 | 中山大学 | Method for reserving, conserving and culturing daphnia magna |
| CN103880192A (en) * | 2014-04-02 | 2014-06-25 | 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 |
| CN105036348A (en) * | 2015-07-29 | 2015-11-11 | 苏州翠浔水生态科技有限公司 | Method for controlling blue-green algae in shallow water eutrophication lakes through utilizing large zooplanktons |
| CN109133356A (en) * | 2018-09-12 | 2019-01-04 | 浙江海洋大学 | A method of algae is removed using filter feeder |
| CN112167151A (en) * | 2020-10-16 | 2021-01-05 | 生态环境部南京环境科学研究所 | Water ecosystem using 62Dm daphnia magna, silver carp bighead carp and xenocypris catfish as core algae control |
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1562809A (en) * | 2004-03-27 | 2005-01-12 | 中国科学院水生生物研究所 | Method for controlling water bloom of blue algae |
| CN1686865A (en) * | 2005-04-05 | 2005-10-26 | 哈尔滨工业大学 | Method in trophic level for controlling alga in preliminary sedimentation tank of waterworks |
| CN100463869C (en) * | 2007-02-28 | 2009-02-25 | 哈尔滨工业大学 | Bighead carp, grass carp, cladophora and daphnia hyaline multi-biology cooperated algae control method |
-
2007
- 2007-12-17 CN CN2007101448424A patent/CN101293709B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103880192A (en) * | 2014-04-02 | 2014-06-25 | 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 |
| 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 |
| CN105036348A (en) * | 2015-07-29 | 2015-11-11 | 苏州翠浔水生态科技有限公司 | Method for controlling blue-green algae in shallow water eutrophication lakes through utilizing large zooplanktons |
| CN109133356A (en) * | 2018-09-12 | 2019-01-04 | 浙江海洋大学 | A method of algae is removed using filter feeder |
| CN109133356B (en) * | 2018-09-12 | 2021-09-14 | 浙江海洋大学 | Method for removing algae by using filter feeders |
| CN112167151A (en) * | 2020-10-16 | 2021-01-05 | 生态环境部南京环境科学研究所 | Water ecosystem using 62Dm daphnia magna, silver carp bighead carp and xenocypris catfish as core algae control |
| 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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| CN101293709B (en) | 2010-06-16 |
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