CN102583762A - Method for purifying eutrophication water in city by planting plant - Google Patents
Method for purifying eutrophication water in city by planting plant Download PDFInfo
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- CN102583762A CN102583762A CN2012100529139A CN201210052913A CN102583762A CN 102583762 A CN102583762 A CN 102583762A CN 2012100529139 A CN2012100529139 A CN 2012100529139A CN 201210052913 A CN201210052913 A CN 201210052913A CN 102583762 A CN102583762 A CN 102583762A
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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
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The invention relates to a method for purifying eutrophication water in the city by a planting plant, belonging to the technical field of water purification. The method for purifying eutrophication water in city by the planting plant comprises the steps of measuring all indexes of eutrophication water at first, planting terrestrial plants and aquatic plants according to the eutrophication ion concentration of the eutrophication water, and purifying water resources by the growth of the plants. By the method for purifying eutrophication water in city by planting plants provided by the invention, the purification effect of purified water is obvious, the eutrophication indexes of the water are obviously lowered, and the water quality is obviously improved. The method provided by the invention, which utilizes plants to purify the eutrophication water, has the advantages of small investment, fast effectiveness and favorable ecological benefits. The method for purifying eutrophication water in the city by the planting plant also utilizes terrestrial plants to purify water body, which enhances the selection range of ecological repairing plants; and moreover, the method for purifying eutrophication water in the city by the planting plant adopts the terrestrial plants to achieve the maintenance, and meanwhile, the effect of scenery configuration is better.
Description
Technical field
The present invention relates to the method for eutrophic water in a kind of plant purification city; Be specifically related in a kind of repair process that terrestrial plant is applied to water body; The method of repairing and utilizing terrestrial plant and waterplant to make up each other through more single waterplant; Obtain a kind of effective ways, belong to the water treatment technology field through eutrophic water in the phytoremediation city.
Background technology
The pollution of water surrounding and the shortage of water resources are the two big crises that current global Freshwater resources face.Some lakes of China, river eutrophication degree are increasingly sharpened, and the lake of the eutrophication that become reaches more than 90%, and the urban water-body eutrophication has become one of great environmental problem of China.
The water quality eutrophication is the process that makes water quality deterioration owing to the enrichment of nutritive substance such as nitrogen, phosphorus in the water; Because the increase of urban water consumption; Some predatorinesses, destructive city development behavior; The non-processor discharging of production, sewage, the phenomenon of ecological damage and water quality deterioration constantly occurs.Eutrophic water cognition impels algae to breed rapidly, and wherein some algae can give out the fishy smell foreign odor, when the dead decomposition of algae is rotted; COD, the surge of BOD value in the water; Water quality deterioration causes fish and other biological death, has caused tremendous influence for people's lives and socio-economic development.
At present; Many mature and effective sewage water treatment methods have been set up abroad: like the restorative procedure of water bodys such as activated sludge method processing technique, aerobe processing, contact stabilization process, oxidation ditch, biomembrance process, biological contact oxidation process, anaerobic biological treatment method, control source of pollution, restoration of the ecosystem etc.; But because these methods exist capital construction, working cost expensive, shortcoming such as operation, maintenance technology difficulty are big and be unfavorable for applying on a large scale at home.Waterplant has flourishing root system in water; Can form huge retaining power; The objectionable impurities of waterplant in again can the absorbing enriched water body simultaneously leaned on breeding around the root system and supported bacterium well, forms the biofiltration system of purifying waste water; The organism that suspends in the water is decomposed rapidly; Particularly some waterplant can absorb organism such as the very big heavy metal of waste water toxic, agricultural chemicals, chemical reagent and inorganicss such as absorption of N, P are done nutrition in a large number in the grow prolifically phase, realizes sewage purification, utilizes it in the improvement of eutrophication water, can obtain better effects.
Along with the propelling that China's urbanization is built, ecotope constantly worsens, and the eutrophication of water body is also more and more serious.Therefore, to the improvement of urban river (lake) water surrounding, not only become the people's eager desire, especially the needs of cities and towns social economic environment Sustainable development.
Summary of the invention
The objective of the invention is to disclose the method that a kind of plantation through plant comes eutrophic water in the purifying city; Its in the municipal effluent of eutrophication, plant black algae, eel grass, flame nettle, four kinds of dissimilar plants of water opium poppy; At first relatively each single waterplant is to the influence of experiment effect; Pass through the combination experiment of Lu Sheng and waterplant simultaneously; Relatively eutrophication water is improved effect optimum plant collocation and vegetation type respectively, obtain a kind of for the best combinations of plant of the water resources effect of purifying eutrophic.
The objective of the invention is to overcome above-mentioned weak point, the distributing style that provides a kind of waterplant to be fit to, the effective ways of realization purifying city sewage reach maximum ecological benefits and economic benefit.
According to technical scheme provided by the invention, a kind of plantation through plant comes the method for eutrophic water in the purifying city, and step is following:
(1) mensuration of the index of water sample: get the eutrophic water that needs purification, wherein total nitrogen (TN), total phosphorus (TP) content are measured;
(2) selection of test plant: gather the black algae of submerged plant, eel grass, floating plant water opium poppy and terrestrial plant flame nettle; Flame nettle is planted in the field planting plate, puts into the plastics planting cup in the field planting plate, chooses the similar flame nettle of growing way; Submerged plant and floating plant are concentrated to cultivate in the natural water test pond of removing chlorine and grow, thereby tame, and make plant constituent adapt to aquatic environment;
(3) purification of water quality:
Total nitrogen content is that 0-4mg/L, total phosphorous are under the condition of 0-2mg/L, and according to black algae: the water opium poppy is that 2: 1 ratio is planted in water, and wherein water opium poppy planting number is 1-3 clump/20L (liter), and planting density is 35-45g (gram)/L (liter); The plantation temperature is 18-22 ℃, growth 8-12d (my god);
Total nitrogen content is that 4-8mg/L, total phosphorous are under the condition of 2-4mg/L, and according to black algae: the water opium poppy: flame nettle is that 2: 1: 2 ratio is planted in water, and wherein water opium poppy planting number is 4-6 clump/20L, and planting density is 55-65g/L; The plantation temperature is 18-22 ℃, growth 18-22d;
Total nitrogen content is that 8-16mg/L, total phosphorous are under the condition of 4-8mg/L, and according to black algae: eel grass: water opium poppy: flame nettle is 2: 1: 2: 3 ratio is planted in water, and wherein water opium poppy planting number is 2-4 clump/20L, and planting density is 55-65g/L; The plantation temperature is 18-22 ℃, growth 28-32d (my god).
Said water opium poppy four buds are one clump.
The present invention has following advantage: the present invention utilizes the plant purification eutrophic water, invests little, instant effect, and good ecological is arranged simultaneously; Also use terrestrial plant to water body purification, increase the range of choice of restoration of the ecosystem plant, and being combined in when reaching reparation of Lu Sheng waterplant more increased the effect of view configuration.
Embodiment
Be described in detail the technological method (being not limited to following examples) of aquatic plant purification of the present invention city eutrophication water below with the embodiment form:
Embodiment 1
1, the mensuration of water sample index
Adopt geographic certain eutrophication water in Wuxi, at first the water sample of test is carried out the mensuration of the initial water-quality guideline of each item before the cultivation, comprise total nitrogen (TN) 7.024mg/L, total phosphorus (TP) 2.425mg/L, nitre nitrogen (NO
3 --N) 1.825mg/L ammonia nitrogen (NH
4 +-N) 0.526mg/L.
2, the selection of test plant:
Black algae (Hydrilla verticillata) has another name called lantern common vetch etc., perennial heavy this plant of pasture and water of unifacial leaf, and stem is cylindrical, and the surface has vertically thin rib, and matter is more crisp.Eel grass (Vallisneria natans), the heavy pasture and water of perennial acaulescence originally have creeper, are that material is afforested in water scenery, garden pond preferably under water.Water opium poppy (Hydrocleys nymphoides), capture leaf draft often moves in pond, lake, Tang Xizhong for many years, is the finishing material of edge, pond shoal.Plant is all from peripheral waters, Wuxi.
3, purification of water quality:
Three kind of plant such as black algae are improved Research on effect to the city eutrophication water, and the time is about one month, and the collocation of having compared this three kind of plant respectively improves effect to urbanization sewage; Raise and train about about week age after the test plant collection; Plant is cleaned with clear water, moved into plastic box, the plastic box size is 50L; Area 0.20m2, the pattern of simulation artificial swamp.Study this plants configuration under the level conditions of difference plantation and the whole structure that different detection time water body is improved.On the basis of above-mentioned experiment, select best plants configuration.
| Matched combined | Plantation amount (g) | Sample time (d) |
| Black algae+eel grass+water opium poppy | 20 | 20 |
| Black algae+eel grass+water opium poppy | 40 | 25 |
| Black algae+eel grass+water opium poppy | 60 | 30 |
4, the collection analysis of growth measurement of plant and water sample
After the plant setting, the growing state of making plant, and the variation of surrounding environment; Mensuration for water sample; Respectively the 20th, 25,30d each item index of getting a water determination water, the 100mL that at every turn takes a sample measures the variation of phytomass simultaneously; It is evenly mixed fully to stir the water sample that makes in the water vat before the sampling, makes test-results more stable.The measuring method of each water sample index is: Potassium Persulphate oxidation-determined by ultraviolet spectrophotometry total nitrogen (TN), molybdenum-antimony anti-spectrophotometric method is measured total phosphorus (TP), determined by ultraviolet spectrophotometry nitre nitrogen (NO
3 --N), with nessler reagent spectrphotometric method for measuring ammonium nitrogen (NH
4 +-N).Find through Test and Comparison Study; The living weight that is combined in plant when planting back 30d of black algae+eel grass+water opium poppy reaches maximum; About 25d to water quality to improve effect better; Water quality is measured, and each item index has had good improvement effect, total nitrogen (TN) 2.698mg/L, total phosphorus (TP) 1.231mg/L, nitre nitrogen (NO
3 --N) 0.675mg/L ammonia nitrogen (NH
4 +-N) 0.389mg/L.
Embodiment 2
1, the mensuration of water sample index
Adopt geographic certain eutrophication water in Wuxi, at first the water sample of test is carried out the mensuration of the initial water-quality guideline of each item before the cultivation, comprise total nitrogen (TN) 3.069mg/L, total phosphorus (TP) 1.553mg/L, nitre nitrogen (NO
3 --N) 0.782mg/L ammonia nitrogen (NH
4 +-N) 0.574mg/L.
2, the selection of test plant:
Black algae (Hydrilla verticillata) has another name called lantern common vetch etc., perennial heavy this plant of pasture and water of unifacial leaf, and stem is cylindrical, and the surface has vertically thin rib, and matter is more crisp.Water opium poppy (Hydrocleys nymphoides), capture leaf draft often moves in pond, lake, Tang Xizhong for many years, is the finishing material of edge, pond shoal.Flame nettle (Coleus blumei) has another name called coleus, the perennial herbage of Labiatae Coleus, and the growth needs large quantity of moisture, the cauline leaf purple is usually used in beautification of landscape, may have grown into suffruticose for many years.Flame nettle is from the earth culture nursery of our unit, height of seedling 20-25cm, go soil to clean root after, place in the planting cup with the tap water water planting about 1 week, survival after transplant is to floating cultivation phytoremediation system, remaining vegetable is all from peripheral waters, Wuxi.
3, purification of water quality:
Three kind of plant such as flame nettle are improved Research on effect to the city eutrophication water; Time is about one month, has compared the improve effect of the collocation of three kind of plant to urbanization sewage respectively, raises and train about about week age after the test plant collection; Plant is cleaned with clear water; Move into plastic box, the plastic box size is 50L, area 0.20m
2, the pattern of simulation artificial swamp.Study this plants configuration under the level conditions of difference plantation and the whole structure that different detection time water body is improved.On the basis of above-mentioned experiment, select best plants configuration.
| Matched combined | Plantation amount (g) | Sample time (d) |
| Flame nettle+black algae+water opium poppy | 20 | 20 |
| Flame nettle+black algae+water opium poppy | 40 | 25 |
| Flame nettle+black algae+water opium poppy | 60 | 30 |
4, the collection analysis of growth measurement of plant and water sample
After the plant setting, the growing state of making plant, and the variation of surrounding environment; Mensuration for water sample; Respectively the 20th, 25,30d (d promptly day) each item index of getting a water determination water, the 100mL that at every turn takes a sample measures the variation of phytomass simultaneously; It is evenly mixed fully to stir the water sample that makes in the water vat before the sampling, makes test-results more stable.The measuring method of each water sample index is: Potassium Persulphate oxidation-determined by ultraviolet spectrophotometry total nitrogen (TN), molybdenum-antimony anti-spectrophotometric method is measured total phosphorus (TP), determined by ultraviolet spectrophotometry nitre nitrogen (NO
3 --N), with nessler reagent spectrphotometric method for measuring ammonium nitrogen (NH
4 +-N).Find through Test and Comparison Study; The living weight that is combined in plant when planting back 25d of flame nettle+black algae+water opium poppy reaches maximum; About 25d to water quality to improve effect better; Water quality is measured, and each item index has had good improvement effect, total nitrogen (TN) 1.294mg/L, total phosphorus (TP) 0.457mg/L, nitre nitrogen (NO
3 --N) 0.311mg/L ammonia nitrogen (NH
4 +-N) 0.296mg/L.
Embodiment 3
1, the mensuration of water sample index
Geographic certain eutrophication water in Wuxi is adopted in this test, at first the water sample of test is carried out the mensuration of the initial water-quality guideline of each item before the cultivation, comprises total nitrogen (TN) 10.682mg/L, total phosphorus (TP) 5.324mg/L, nitre nitrogen (NO
3 --N) 4.372mg/L ammonia nitrogen (NH
4 +-N) 1.291mg/L.
2, the selection of test plant:
Black algae (Hydrilla verticillata) has another name called lantern common vetch etc., perennial heavy this plant of pasture and water of unifacial leaf, and stem is cylindrical, and the surface has vertically thin rib, and matter is more crisp.Eel grass (Vallisneria natans), the heavy pasture and water of perennial acaulescence originally have creeper, are that material is afforested in water scenery, garden pond preferably under water.Water opium poppy (Hydrocleys nymphoides), capture leaf draft often moves in pond, lake, Tang Xizhong for many years, is the finishing material of edge, pond shoal.Flame nettle (Coleus blumei) has another name called coleus, the perennial herbage of Labiatae Coleus, and the growth needs large quantity of moisture, the cauline leaf purple is usually used in beautification of landscape, may have grown into suffruticose for many years.Flame nettle is from the earth culture nursery of our unit, height of seedling 20～25cm, go soil to clean root after, place in the planting cup with the tap water water planting about 1 week, survival after transplant is to floating cultivation phytoremediation system, remaining vegetable is all from peripheral waters, Wuxi.
3, purification of water quality
Four kind of plant such as flame nettle are improved Research on effect to the city eutrophication water, and the time is about one month, has compared the improve effect of the difference collocation of four kind of plant to urbanization sewage respectively; After test plant is raised and train about week age; Plant is cleaned with clear water, moved into plastic box, the plastic box size is 50L; Area 0.20m2, the pattern of simulation artificial swamp.Study the different effects of under level conditions and the varying environment condition water body being improved of transplanting of being configured in of kindred plant not.On the basis of above-mentioned experiment, select best plants configuration.
| Matched combined | Plantation amount (g) | Sample time (d) |
| Flame nettle+black algae+eel grass+water opium poppy | 20 | 20 |
| Flame nettle+black algae+eel grass+water opium poppy | 40 | 25 |
| Flame nettle+black algae+eel grass+water opium poppy | 60 | 30 |
4, the collection analysis of growth measurement of plant and water sample
After the plant setting, the growing state of making plant, and the variation of surrounding environment; Mensuration for water sample; Respectively the 20th, 25, each item index of getting a water determination water during 30d, the 100mL that at every turn takes a sample measures the variation of phytomass simultaneously; It is evenly mixed to stir the water sample that makes in the water vat before the sampling, makes test-results more stable.The measuring method of each water sample index is: Potassium Persulphate oxidation-determined by ultraviolet spectrophotometry total nitrogen (TN), molybdenum-antimony anti-spectrophotometric method is measured total phosphorus (TP), determined by ultraviolet spectrophotometry nitre nitrogen (NO
3 --N), with nessler reagent spectrphotometric method for measuring ammonium nitrogen (NH
4 +-N).Find through Test and Comparison Study; The living weight that is combined in plant when planting back 30d of flame nettle+black algae+eel grass+water opium poppy reaches maximum; About 25d to water quality to improve effect better; Water quality is measured, and each item index has had good improvement effect, total nitrogen (TN) 3.205mg/L, total phosphorus (TP) 1.863mg/L, nitre nitrogen (NO
3 --N) 1.675mg/L ammonia nitrogen (NH
4 +-N) 0.491mg/L.
Embodiment 4
(1) mensuration of the index of water sample: get the eutrophic water that needs purification, wherein total nitrogen (TN), total phosphorus (TP) content are measured;
(2) selection of test plant: gather the black algae of submerged plant, eel grass, floating plant water opium poppy and terrestrial plant flame nettle; Flame nettle is planted in the field planting plate, puts into the plastics planting cup in the field planting plate, chooses the similar flame nettle of growing way; Submerged plant and floating plant are concentrated to cultivate in the natural water test pond of removing chlorine and grow, thereby tame, and make plant constituent adapt to aquatic environment;
(3) purification of water quality:
Total nitrogen content is that 4mg/L, total phosphorous are under the condition of 2mg/L, and according to black algae: the water opium poppy is that 2: 1 ratio is planted in water, and wherein water opium poppy planting number is 3 clumps/20L, and planting density is 45g/L; The plantation temperature is 22 ℃, growth 12d.
Embodiment 5
(1) mensuration of the index of water sample: get the eutrophic water that needs purification, wherein total nitrogen, total phosphorous are measured;
(2) selection of test plant: gather the black algae of submerged plant, eel grass, floating plant water opium poppy and terrestrial plant flame nettle; Flame nettle is planted in the field planting plate, puts into the plastics planting cup in the field planting plate, chooses the similar flame nettle of growing way; Submerged plant and floating plant are concentrated to cultivate in the natural water test pond of removing chlorine and grow, thereby tame, and make plant constituent adapt to aquatic environment;
(3) purification of water quality:
Total nitrogen content is that 4mg/L, total phosphorous are under the condition of 2mg/L, and according to black algae: the water opium poppy: flame nettle is that 2: 1: 2 ratio is planted in water, and wherein water opium poppy planting number is 4 clumps/20L, and planting density is 55g/L; The plantation temperature is 18 ℃, growth 18d.
Embodiment 6
(1) mensuration of the index of water sample: get the eutrophic water that needs purification, wherein total nitrogen, total phosphorous are measured;
(2) selection of test plant: gather the black algae of submerged plant, eel grass, floating plant water opium poppy and terrestrial plant flame nettle; Flame nettle is planted in the field planting plate, puts into the plastics planting cup in the field planting plate, chooses the similar flame nettle of growing way; Submerged plant and floating plant are concentrated to cultivate in the natural water test pond of removing chlorine and grow, thereby tame, and make plant constituent adapt to aquatic environment;
(3) purification of water quality:
Total nitrogen content is that 12mg/L, total phosphorous are under the condition of 6mg/L, and according to black algae: eel grass: water opium poppy: flame nettle is 2: 1: 2: 3 ratio is planted in water, and wherein water opium poppy planting number is 4 clumps/20L, and planting density is 60g/L; The plantation temperature is 20 ℃, growth 30d.
Claims (2)
1. method that the plantation through plant comes eutrophic water in the purifying city is characterized in that step is following:
(1) mensuration of the index of water sample: get the eutrophic water that needs purification, wherein total nitrogen, total phosphorous are measured;
(2) selection of test plant: gather the black algae of submerged plant, eel grass, floating plant water opium poppy and terrestrial plant flame nettle; Flame nettle is planted in the field planting plate, puts into the plastics planting cup in the field planting plate, chooses the similar flame nettle of growing way; Submerged plant and floating plant are concentrated to cultivate in the natural water test pond of removing chlorine and grow, thereby tame, and make plant constituent adapt to aquatic environment;
(3) purification of water quality:
Total nitrogen content is that 0-4mg/L, total phosphorous are under the condition of 0-2mg/L, and according to black algae: the water opium poppy is that 2: 1 ratio is planted in water, and wherein water opium poppy planting number is 1-3 clump/20L, and planting density is 35-45g/L; The plantation temperature is 18-22 ℃, growth 8-12d;
Total nitrogen content is that 4-8mg/L, total phosphorous are under the condition of 2-4mg/L, and according to black algae: the water opium poppy: flame nettle is that 2: 1: 2 ratio is planted in water, and wherein water opium poppy planting number is 4-6 clump/20L, and planting density is 55-65g/L; The plantation temperature is 18-22 ℃, growth 18-22d;
Total nitrogen content is that 8-16mg/L, total phosphorous are under the condition of 4-8mg/L, and according to black algae: eel grass: water opium poppy: flame nettle is 2: 1: 2: 3 ratio is planted in water, and wherein water opium poppy planting number is 2-4 clump/20L, and planting density is 55-65g/L; The plantation temperature is 18-22 ℃, growth 28-32d.
2. come the method for eutrophic water in the purifying city according to claim 1 through the plantation of plant, it is characterized in that: said water opium poppy four buds are one clump.
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| CN106396114A (en) * | 2016-10-31 | 2017-02-15 | 北京林业大学 | Method for purifying water body by using plant combination |
| CN108101220A (en) * | 2017-11-29 | 2018-06-01 | 上海市农业科学院 | A kind of containerization assembly type hydrophyte restoration method for purifying water |
| CN112499766A (en) * | 2020-10-13 | 2021-03-16 | 北京林业大学 | Method for rapidly identifying plant ability to purify eutrophic water |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396114A (en) * | 2016-10-31 | 2017-02-15 | 北京林业大学 | Method for purifying water body by using plant combination |
| CN108101220A (en) * | 2017-11-29 | 2018-06-01 | 上海市农业科学院 | A kind of containerization assembly type hydrophyte restoration method for purifying water |
| CN112499766A (en) * | 2020-10-13 | 2021-03-16 | 北京林业大学 | Method for rapidly identifying plant ability to purify eutrophic water |
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| CN102583762B (en) | 2013-06-05 |
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