CN105347502A - Method for reducing nitrogen and phosphorus in eutrophic water body - Google Patents
Method for reducing nitrogen and phosphorus in eutrophic water body Download PDFInfo
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- CN105347502A CN105347502A CN201510924115.4A CN201510924115A CN105347502A CN 105347502 A CN105347502 A CN 105347502A CN 201510924115 A CN201510924115 A CN 201510924115A CN 105347502 A CN105347502 A CN 105347502A
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- water body
- crucian
- bighead
- dace
- silver carp
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 72
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title abstract description 32
- 229910052757 nitrogen Inorganic materials 0.000 title abstract description 16
- OAICVXFJPJFONN-UHFFFAOYSA-N phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title abstract description 14
- 229910052698 phosphorus Inorganic materials 0.000 title abstract description 14
- 239000011574 phosphorus Substances 0.000 title abstract description 14
- 241000594011 Leuciscus leuciscus Species 0.000 claims abstract description 50
- 241000251468 Actinopterygii Species 0.000 claims abstract description 12
- 241000252234 Hypophthalmichthys nobilis Species 0.000 claims description 47
- 241000269799 Perca fluviatilis Species 0.000 claims description 34
- -1 nitrogen phosphorus Chemical compound 0.000 claims description 23
- 239000000463 material Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000996 additive Effects 0.000 abstract description 2
- 241000269319 Squalius cephalus Species 0.000 abstract 1
- 241000195493 Cryptophyta Species 0.000 description 17
- 241000196324 Embryophyta Species 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 10
- 235000013305 food Nutrition 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- ABLZXFCXXLZCGV-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000000050 nutritive Effects 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 230000036091 Metabolic activity Effects 0.000 description 1
- 210000000538 Tail Anatomy 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002503 metabolic Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
Abstract
The embodiment of the invention discloses a method for reducing nitrogen and phosphorus in a eutrophic water body. According to the method disclosed by the embodiment of the invention, daces, chubs, crucians and weevers in an appropriate proportion are put in the water body which is rich in the nitrogen and the phosphorus according to different feeding habits of the fishes, the number of fish fries in the water body is controlled, the content of the nitrogen and the phosphorus in the eutrophic water body are reduced, the eutrophication problem of the water body is solved, a mass of human and material resources are not needed, and the labor intensity and the economic cost are reduced; an additive does not need to be added; secondary pollution on the water body cannot be caused, and not only is the eutrophication problem of the water body solved, but also a certain economic benefit can also be increased; the period of reducing the content of the nitrogen and the phosphorus in the water body is short, the effect is good, and the application range of the method is wide.
Description
Technical field
The present invention relates to method for repairing water ecology technical field, be specifically related to the method reducing eutrophication water nitrogen phosphorus.
Background technology
Body eutrophication is the too much caused water pollution phenomenon of the plant nutrient substance content such as a kind of nitrogen, phosphorus.After body eutrophication plant plankton particularly algae by amount reproduction, the population kind quantity of biomass in water body is changed, destroys the eubiosis of water body.The main oxygen level utilizing increase water in correlation technique, makes anerobe dead problem solving eutrophication under oxygen-enriched environment, as physical methods such as Sediment Dredging, diversion flushing, mechanical aerations.
But contriver finds, the method for Sediment Dredging, diversion flushing or mechanical aeration needs a large amount of manpower and materials to carry out, and quantities is comparatively large, and the cost causing blowdown to administer is high.
Summary of the invention
The object of the present invention is to provide a kind of method reducing eutrophication water nitrogen phosphorus, to solve the problems of the technologies described above.
In order to solve the problems of the technologies described above, the technical scheme that the embodiment of the present invention adopts is, reduces the method for eutrophication water nitrogen phosphorus, throws in the dace of appropriate ratio, silver carp or bighead, crucian, perch in the water of rich Nitrogen-and Phosphorus-containing; Described dace, silver carp or bighead, crucian successively respectively interval within 2 days ~ 4 days, throw in; Described perch is thrown in after described crucian throws in 60 days ~ 80 days.
As preferably, the age of a fish of the described dace of input, silver carp or bighead, crucian, perch is within 1 year; Described dace, silver carp or bighead, crucian, perch are 10 DEG C ~ 30 DEG C inputs at temperature, and it is the most suitable to throw at 16 DEG C ~ 28 DEG C.
As preferably, the input ratio of described dace, silver carp or bighead, crucian, perch is 475 ~ 525:428 ~ 473:30 ~ 35:16 ~ 18 tail.
As preferably, same batch of described dace thrown in, silver carp or bighead, crucian, perch were fished for after 180 days ~ 365 days.
As preferably, the input ratio of described dace, silver carp or bighead, crucian, perch is 500:451:32:17 tail.
Compared with correlation technique, the beneficial effect of the embodiment of the present invention is, a kind of method reducing eutrophication water nitrogen phosphorus that the embodiment of the present invention provides, dace is demersal fish, with plant as raw algae, diatom, the chip of green alga and higher plant and water-bed soil ulmin etc. are foodstuff, the plant plankton that can also ingest in water, and it is low to the requirement of dissolved oxygen amount, still can survive when dissolved oxygen in water is low to moderate 0.24mg/L, therefore the described dace of input, silver carp or bighead, crucian, first dace is thrown in during perch, dace throws in 2 days ~ 4 days, dace not only can have been allowed to adapt to water body environment but also the algae of an edible part, fry for follow-up input provides more suitable water body environment, silver carp or bighead are fishes at the middle and upper levels, silver carp growth is fast, disease is few, output is high, take algae as food, like in the more fertile open fire district of water quality, and bighead is adapted at growing in fertile water body, take planktonic organism as food, in the water body that nitrogen and phosphorus content is high, the surviving rate of silver carp or bighead is all higher, and silver carp or bighead are thrown in and can adapt to water body environment in 2 days ~ 4 days, the nutritive value of crucian meat and pharmaceutical use are all high, simultaneously edible diatom and shape bath class, throw in crucian again, can improve the surviving rate of crucian after dace, silver carp or bighead are thrown in, perch is carnivorous, therefore perch need be thrown in after described crucian throws in 60 days ~ 80 days, now dace, silver carp or bighead, crucian grow for some time, eat part algae, the purification of for some time has been carried out to the environment of water body, the perch thrown in eats the dace of part, silver carp or bighead, crucian, and the algae of the rich Nitrogen-and Phosphorus-containing described dace, silver carp or bighead, crucian eaten takes away water body, and final realization reduces the nitrogen and phosphorus content in eutrophication water.Only need throw in the fingerling of appropriate ratio in the suitable time in water body, not need to pay a large amount of manpower and materials, reduce labour intensity and Financial cost.
Embodiment
To be clearly and completely described technical scheme of the present invention below, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Body eutrophication is the too much caused water pollution phenomenon of the plant nutrient substance content such as a kind of nitrogen, phosphorus.After body eutrophication plant plankton particularly algae by amount reproduction, the population kind quantity of biomass in water body is changed, destroys the eubiosis of water body.
The main oxygen level utilizing increase water in correlation technique, makes anerobe dead problem solving eutrophication under oxygen-enriched environment, as physical methods such as Sediment Dredging, diversion flushing, mechanical aerations.But the method for Sediment Dredging, diversion flushing or mechanical aeration needs a large amount of manpower and materials to carry out, quantities is comparatively large, causes blowdown cost high.Adopt flocking settling and kill the method for algae with chemical agent, utilize iron, aluminium or calcium and phosphoric acid salt to generate insoluble precipitate and the character of sedimentation can remove algae, can certain effect be obtained in a short time, but there is the problem that improvement is thorough, cost is high, also can produce secondary pollution.Utilize hydrobiont Absorbable rod utilize nitrogen, phosphoric carry out Metabolic activity to remove Water, though the method for phosphorus nutrition material avoids secondary pollution problem, but it is large by natural environment influence, requirement condition is harsh, simultaneously for other treatment technology, more there is cycle length, take effect slow shortcoming.All not can solve the problem of body eutrophication.
Below by specific embodiment, the present invention is described in further detail.
Reduce the method for eutrophication water nitrogen phosphorus, in the water of rich Nitrogen-and Phosphorus-containing, throw in the dace of appropriate ratio, silver carp or bighead, crucian, perch; Described dace, silver carp or bighead, crucian successively respectively interval within 2 days ~ 4 days, throw in; Described perch is thrown in after described crucian throws in 60 days ~ 80 days.
Dace is demersal fish, with plant if the chip and water-bed soil ulmin etc. of raw algae, diatom, green alga and higher plant are for foodstuff, the plant plankton that can also ingest in water, and it is low to the requirement of dissolved oxygen amount, still can survive when dissolved oxygen in water is low to moderate 0.24mg/L, therefore first dace is thrown in when throwing in described dace, silver carp or bighead, crucian, perch, dace throws in 2 days ~ 4 days, dace not only can have been allowed to adapt to water body environment but also the algae of an edible part, and the fry for follow-up input provides more suitable water body environment.
Silver carp or bighead are fishes at the middle and upper levels, silver carp growth is fast, disease is few, output is high, take algae as food, like in the more fertile open fire district of water quality, and bighead is adapted at growing in fertile water body, take planktonic organism as food, in the water body that nitrogen and phosphorus content is high, the surviving rate of silver carp or bighead is all higher, and silver carp or bighead are thrown in and can adapt to water body environment in 2 days ~ 4 days.
The nutritive value of crucian meat and pharmaceutical use are all high, simultaneously edible diatom and shape bath class, throw in crucian again, can improve the surviving rate of crucian after dace, silver carp or bighead are thrown in.
Perch is carnivorous, therefore perch need be thrown in after described crucian throws in 60 days ~ 80 days, now dace, silver carp or bighead, crucian grow for some time, eat part algae, the purification of for some time has been carried out to the environment of water body, the perch thrown in eats the dace of part, silver carp or bighead, crucian, and the algae of the rich Nitrogen-and Phosphorus-containing described dace, silver carp or bighead, crucian eaten takes away water body, and final realization reduces the nitrogen and phosphorus content in eutrophication water.Only need in water body, throw in the fingerling of appropriate ratio in the suitable time and carry out fishing in the suitable time, not need to pay a large amount of manpower and materials, reduce labour intensity and Financial cost.The embodiment of the present invention does not need to add chemical additive and removes nitrogen phosphorus, does not cause secondary pollution to water body; Certain economic benefit can also be increased simultaneously.
Further, the age of a fish of the described dace of input, silver carp or bighead, crucian, perch is within 1 year; Described dace, silver carp or bighead, crucian, perch are 10 DEG C ~ 30 DEG C inputs at temperature, and it is the most suitable to throw at 16 DEG C ~ 28 DEG C.
The fry small volume of the age of a fish within 1 year, is easy to transport, can reduces costs; Be 9.54mg/L ~ 7.92mg/L at the dissolved oxygen amount of 16 DEG C ~ 28 DEG C standard atmospheres pressure clear water, be suitable for the dissolved oxygen amount demand of dace, silver carp or bighead, crucian, perch, it is effective to drop into surviving of fry, and this temperature is applicable to the growth of fry.
Further, the input ratio of described dace, silver carp or bighead, crucian, perch is 475 ~ 525:428 ~ 473:30 ~ 35:16 ~ 18 tail.Dace is the fingerling dropped at first, and now the environment of water body is the most severe, therefore needs to drop into more fry, ensures its surviving rate; Silver carp or bighead are fingerlings at the middle and upper levels, and throw in after dace is thrown in, mantissa is slightly less than dace again, ensure dace, silver carp or bighead kind balanced, edible algae, plays maximized cleaning action to water body simultaneously; Crucian is demersal fish, with vegetalitas foodstuff if the stem of vascular bundle pasture and water, leaf, bud or fruit, diatom, shape algae are for food, can take away part nitrogen phosphorus and leave water body; Described perch described dace, silver carp or bighead, crucian to be the carnivorous fingerling of food, and adding 3 ~ 6 tails is equilibriums for ensureing described dace, silver carp or bighead, these several fish of crucian, takes away part nitrogen phosphorus simultaneously and leaves water body.
Further, same batch of described dace thrown in, silver carp or bighead, crucian, perch were fished for after 180 days ~ 365 days.Fry, after growth in 180 days ~ 365 days, has eaten the part algae in water body, can take away nitrogen phosphorus and leave water body after fishing for, and can increase certain economic benefit simultaneously, also can ensure the variation of water body fingerling, ensures that the persistence reducing water body nitrogen phosphorus is carried out.
Further, the input ratio of described dace, silver carp or bighead, crucian, perch is 500:451:32:17 tail; June temperature be 20 DEG C of total Waters be in 1000 mu of bad V class waters of 2,700,000 cubes, throw in dace 5,000,000 tail, silver carp 4,510,000 tail, crucian 320,000 tail, perch 170,000 tail respectively successively; Before throwing in fry, Water phosphorus content is respectively total nitrogen content 2.6mg/L, total phosphorous is 0.44mg/L; After three months, water body total nitrogen content 1.1mg/L, total phosphorous are 0.15mg/L; After six months, water body total nitrogen content 0.4mg/L, total phosphorous are 0.024mg/L.Show that the method for the present embodiment effectively can reduce the nitrogen and phosphorus content of water body fast, treatment cycle is short, instant effect.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of embodiment of the present invention technical scheme.
Claims (7)
1. reduce the method for eutrophication water nitrogen phosphorus, it is characterized in that:
The dace of appropriate ratio, silver carp or bighead, crucian, perch is thrown in the water of rich Nitrogen-and Phosphorus-containing;
Described dace, silver carp or bighead, crucian successively respectively interval within 2 days ~ 4 days, throw in;
Described perch is thrown in after described crucian throws in 60 days ~ 80 days.
2. the method for reduction eutrophication water nitrogen phosphorus according to claim 1, is characterized in that:
The age of a fish of the described dace thrown in, silver carp or bighead, crucian, perch is within 1 year;
Described dace, silver carp or bighead, crucian, perch are 10 DEG C ~ 30 DEG C inputs at temperature.
3. the method for reduction eutrophication water nitrogen phosphorus according to claim 1, is characterized in that:
The input ratio of described dace, silver carp or bighead, crucian, perch is 475 ~ 525:428 ~ 473:30 ~ 35:16 ~ 18 tail.
4. the method for reduction eutrophication water nitrogen phosphorus according to claim 1, is characterized in that:
Same batch of described dace thrown in, silver carp or bighead, crucian, perch were fished for after 180 days ~ 365 days.
5. the method for reduction eutrophication water nitrogen phosphorus according to claim 2, is characterized in that:
Described dace, silver carp or bighead, crucian, perch are 16 DEG C ~ 28 DEG C inputs at temperature.
6. the method for reduction eutrophication water nitrogen phosphorus according to claim 3, is characterized in that:
The input ratio of described dace, silver carp or bighead, crucian, perch is 500:451:32:17 tail.
7. the method for the reduction eutrophication water nitrogen phosphorus according to claim 2 or 5, is characterized in that:
Described dace, silver carp or bighead, crucian, perch are 20 DEG C of inputs at temperature.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510924115.4A CN105347502A (en) | 2015-12-12 | 2015-12-12 | Method for reducing nitrogen and phosphorus in eutrophic water body |
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| CN201510924115.4A CN105347502A (en) | 2015-12-12 | 2015-12-12 | Method for reducing nitrogen and phosphorus in eutrophic water body |
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Cited By (3)
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| CN105600941A (en) * | 2016-03-24 | 2016-05-25 | 潘宏坚 | Method for improving water quality of drinking water source |
| CN105800770A (en) * | 2016-03-24 | 2016-07-27 | 潘宏坚 | Method for improving landscape water environment |
| CN107954519A (en) * | 2017-12-05 | 2018-04-24 | 杨州 | A kind of method for improving landscape water water environment |
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| CN105800770A (en) * | 2016-03-24 | 2016-07-27 | 潘宏坚 | Method for improving landscape water environment |
| CN107954519A (en) * | 2017-12-05 | 2018-04-24 | 杨州 | A kind of method for improving landscape water water environment |
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Effective date of registration: 20160608 Address after: Xiaoshan District of Hangzhou City, Zhejiang Province town of Wai 310052 people the most pleasant city court 3 Building 2 unit 1602 room Applicant after: Zhejiang swift water environment Technology Co., Ltd. Applicant after: Pan Hongjian Address before: Xiaoshan District of Hangzhou City, Zhejiang Province town of Wai 310052 people the most pleasant city court 3 Building 2 unit 1602 room Applicant before: Pan Hongjian |
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