CN104150604A - Method for jointly building subaqueous landscape ecosystem by using submerged plants mainly comprising tape grass and photosynthetic bacteria - Google Patents
Method for jointly building subaqueous landscape ecosystem by using submerged plants mainly comprising tape grass and photosynthetic bacteria Download PDFInfo
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- CN104150604A CN104150604A CN201410436933.5A CN201410436933A CN104150604A CN 104150604 A CN104150604 A CN 104150604A CN 201410436933 A CN201410436933 A CN 201410436933A CN 104150604 A CN104150604 A CN 104150604A
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Abstract
The invention discloses a method for jointly building a subaqueous landscape ecosystem by using submerged plants mainly comprising tape grass and photosynthetic bacteria, and relates to the field of water purification and park landscape. The method comprises the main steps: A) detecting water quality; B) eliminating weeds; C) throwing in the photosynthetic bacteria; D) implanting the submerged plants. The method has the characteristics that the water body purifying effect is good, the effect at a later stage is stable, the energy consumption is low, the method is simple and easy to operate and the like, the eutrophication phenomenon of landscape water bodies can be eliminated quickly and effectively, and the growth of cyanophytes is restrained, so that the transparency of the water bodies achieves more than 2 m, the water quality of the water bodies achieves the standard of III category water, secondary pollution cannot be generated, and the green, artistic and rich subaqueous landscape ecosystem can also be built.
Description
Technical field
The present invention relates to purification of water quality and garden landscape field, particularly a kind ofly utilize eel grass for main submerged plant and the method for the photosynthetic bacteria joint mapping subaqual landscape ecosystem.
Background technology
Submerged plant is as the primary producer in aquatic ecosystem, and root system affects settling, and blade directly affects water layer, can bring into play multiple ecological functions.Submerged plant can absorb the nutritive salt in water body and bed mud on the one hand, stores or assimilate into self material, and the nutritive salt reducing in settling discharges again; On the other hand can be by carrying out resource contention with algae, secretion allelochemical suppresses algal grown breeding.Therefore submerged plant can well purifying water body.
Eel grass (Vallisneria natans (Lour.) Hara) belongs to Vallisneria plant (Vallisneria L.), the evergreen submerged plant of Hydrocharctaceae draft, the advantages such as tolerance is strong, light compensation point is low, fecundity is strong, growth is rapid, well developed root system that it has; Its root stock can be survived the winter and start when water temperature is more than 10 ℃ in spring in next year and be sprouted, and therefore, after can within 1 year, planting, gathers continuously for many years, saves the loaded down with trivial details work that other floating bed cultivation plant need to be planted every year again.And hydrilla verticillata, potarnogeton lucens and edible seaweed flower scope are wide, adaptable, fast growth, accumulation ability are strong, suitably collocation is used aquatic ecosystem structure and function stable is had to vital role.Chinese patent (number of patent application is: CN03144202) " a kind of method of administering lake eutrophication with eel grass ", and it is comprised of following steps: 1 cultivates eel grass; 2 add lakebed by cultured eel grass, adapt to 3-5 days; 3. add eel grass protective material and algal grown inhibitor.The advantage of this method is that method is simple, and Technology requires low, but floristics is single, and effect is limited, and the required cycle is long.
Photosynthetic bacterium has unique photosynthesis, aspect reduction water body organism content, is having significant effect.It can directly utilize organism in water, ammonia-state nitrogen, can also utilize hydrogen sulfide, and can remove the pollutents such as nitrous acid ammonia in water by denitrification.(number of patent application is Chinese patent: 201310639372.4) " a kind of apply the method that compound microorganisms carries out polluted-water restoration of the ecosystem ", described complex microorganism thalline concentrated solution is comprised of the following 10 kinds of thalline according to weight part: serratia: 5-15 part, photosynthetic bacterium: 5-15 part, yeast: 5-15 part, denitrifying bacterium: 5-15 part, milk-acid bacteria: 5-15 part, actinomycetes: 5-15 part, BD bacterium: 5-15 part, vinelandii: 5-15 part, nitrobacteria: 5-15 part, subtilis: 5-15 part, total plate count >=109pic/ml in complex microorganism thalline concentrated solution.Water transparency after reparation more than 1.5 meters, is respectively 95-99%, 95-99%, 90-95%, 90-95% to the clearance of algae, total nitrogen, total phosphorus and COD.This method effect is obvious fast, but can not realize aesthetic in landscape water body uses.
The use of combining of photosynthetic bacteria and submerged plant can realize and mutually promotes and strengthen the effects such as absorbed nitrogen phosphorus and organic substance, inhibition algal grown in water body, can be more fast effective purifying water body.In addition, the collocation of submerged plant eel grass, hydrilla verticillata, potarnogeton lucens and edible seaweed flower is used, can greatly enrich subaqual landscape space, eel grass is as basic vegetation, and hydrilla verticillata and potarnogeton lucens add in the growth gap of eel grass, and edible seaweed flower can play the effect of interspersing especially, make smooth hydrospace occur that bulk, cloud form change, level is distinct, and in picturesque disorder, landscape effect is more obvious.Along with the growth of submerged plant, can also form the seabed coral effect under transparent water quality, make people pleasing, experience the fine of water scenery.
Summary of the invention
The object of the present invention is to provide a kind of water body purification effective, the later stage is stable, energy consumption is low, simple, and can build the method for the good subaqual landscape ecosystem.
For achieving the above object, to be that invention is a kind of utilize eel grass for main submerged plant and the method for the photosynthetic bacteria joint mapping subaqual landscape ecosystem to solution of the present invention, and its method steps is as follows:
A, water quality detection: first the indices of water quality is detected.
B, weed a garden: processing waters is carried out to the preparation works such as weeds removing in advance;
C, input photosynthetic bacteria: photosynthetic bacteria is thrown in into water body, and input ratio is photosynthetic bacteria liquid: water body=1:250-350, and wherein in photosynthetic bacteria liquid, total plate count is: 3-5 * 10
10cfu/ml, suitably adjusts input ratio according to water quality detection result; Object, for reducing water body the content of nitrogen and phosphorous, improves water transparency, for ensuing submerged plant planting provides condition, accelerates submerged plant water purification speed simultaneously;
D, implantation submerged plant: through photosynthetic bacteria, repair water body after 20-25 days, four kinds of submerged plant eel grass, hydrilla verticillata, potarnogeton lucens and edible seaweed flower are transplanted in Sediments, transplant quantity for take eel grass as main, hydrilla verticillata, potarnogeton lucens and edible seaweed flower are used as collocation, be specially eel grass and account for total 60%-70%, hydrilla verticillata 10%-15%, potarnogeton lucens 10%-15%, edible seaweed flower 5%-10%, method for transplanting is cuttage or heavy hydroponics or carrier method for transplanting.
Photosynthetic bacterium described in step C has unique photosynthesis, it can directly utilize organism in water, ammonia-state nitrogen, can also utilize hydrogen sulfide, and can remove the pollutents such as nitrous acid ammonia in water by denitrification, photosynthetic bacterium also has the characteristic of denitrification activity and long-pending phosphorus, therefore can also obtain good denitrogenation and phosphor-removing effect.Meanwhile, photosynthetic bacterium can also effectively suppress the growth of the harmful algaes such as blue-green algae, thereby can control the generation of " wawter bloom ", is conducive to form limpid water scenery effect attractive in appearance.
Four kinds of submerged plants described in step D are to take eel grass as main, and hydrilla verticillata, potarnogeton lucens and the collocation of edible seaweed flower are used.Submerged plant can effectively be removed total nitrogen, total phosphorus, ammonia nitrogen and the chemical oxygen demand (COD) in sewage due to himself special morphological structure and growth characteristics, significantly promotes the content of dissolved oxygen and the transparency of water body simultaneously.Eel grass is the most obvious to the removal effect of ammonia nitrogen, can reach 92.01%, next is the removal to total phosphorus, can reach 90.35%, hydrilla verticillata is the most obvious to the removal effect of total nitrogen, can reach 93.02%, and potarnogeton lucens is the most obvious to the removal effect of total phosphorus, can reach 93.79%, edible seaweed is spent also has very strong assimilation effect to water body nitrogen phosphorus and organism.Four kinds of submerged plants are combined, and effective purifying eutrophication water body, can be conducive to again keep ecosystem diversity under water more fast.
The method according to this invention, the submerged plants such as eel grass and photosynthetic bacteria are combined, can eliminate fast and effectively the eutrophication phenomenon of landscape water body, suppress blue algae growth, make more than water transparency reaches 2m, can not produce secondary pollution, again can the Green abundant subaqual landscape ecosystem attractive in appearance.
According to survey, by method of the present invention, repair water body after half a year, submerged plant fraction of coverage reaches more than 80%; The blue-green algae reduction rate of water body reaches more than 88%; Clearance to water body total nitrogen, total phosphorus, COD (chemical oxygen demand (COD)) and BOD (biochemical oxygen demand (BOD)) all reaches 85-95%; More than water transparency is increased to 2m; Water quality reaches III class water quality standard.This method is faster more in the past than the method speed of repairing aquatic ecosystem, and effect is more obvious, and the later stage is more stable, and can form so clear that you can see the bottom, levels are rich, in picturesque disorder, make the pleasing subaqual landscape effect of people.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.Explanation is below to adopt the mode exemplifying, but protection scope of the present invention should not be limited to this.
Embodiment mono-:
Repairing place is Changsha approximately 3000 square meter view waters, and before repairing, water transparency is 0.08m, and water quality is IV class water quality standard.Concrete steps are:
A, water quality detection: first the indices of water quality is detected;
B, weed a garden: processing waters is carried out to the preparation works such as weeds removing;
C, throw in photosynthetic bacteria: photosynthetic bacteria is thrown in into water body, input ratio be photosynthetic bacteria liquid with water body than 1:350, wherein in photosynthetic bacteria liquid, total plate count is: 3-5 * 10
10cfu/ml;
D, implantation submerged plant: through photosynthetic bacteria, repair water body after 20 days, four kinds of submerged plant eel grass, hydrilla verticillata, potarnogeton lucens and edible seaweed flower are transplanted in Sediments, be specially eel grass account for sum 68%, hydrilla verticillata 12%, potarnogeton lucens 14%, edible seaweed spend 6%, method for transplanting is cuttage.
Throwing in photosynthetic bacteria water body parameter is before transparency 0.08m, COD 67.4mg/L, BOD 13.9mg/L, TN 11.6mg/L, TP 0.8mg/L, through photosynthetic bacteria, process after 20 days, water transparency is adjusted to 0.3-0.8m, and COD, BOD, TN and TP value are reduced to respectively 45.2mg/L, 9.6mg/L, 7.6mg/L and 0.4mg/L.
By method of the present invention, repair water body after half a year, submerged plant fraction of coverage reaches 80%; The blue-green algae reduction rate of water body reaches 90%; Water body COD, BOD, TN and TP value are reduced to respectively 11.2mg/L, 3.0mg/L, 0.8mg/L and 0.04mg/L, and clearance reaches 85-95%; More than water transparency is increased to 2m; Water quality reaches III class water quality standard; Formed so clear that you can see the bottom, levels are rich, in picturesque disorder, make the pleasing subaqual landscape effect of people.
Embodiment bis-:
Repairing place is approximately 2000 square meter waters in Changsha Cultural Park, and before repairing, water transparency is 0.06m, and water quality is IV class water quality standard.Concrete steps are:
A, water quality detection: first the indices of water quality is detected;
B, weed a garden: will process waters and carry out weeds removing, and processing waters be carried out to the preparation works such as enclosure by geotextile;
C, throw in photosynthetic bacteria: photosynthetic bacteria is thrown in into water body, input ratio be photosynthetic bacteria liquid with water body than 1:250, wherein in photosynthetic bacteria liquid, total plate count is: 3-5 * 10
10cfu/ml;
D, implantation submerged plant: through photosynthetic bacteria, repair water body after 25 days, four kinds of submerged plant eel grass, hydrilla verticillata, potarnogeton lucens and edible seaweed flower are transplanted in Sediments, be specially eel grass account for sum 70%, hydrilla verticillata 11%, potarnogeton lucens 12%, edible seaweed spend 7%, method for transplanting is heavy hydroponics.
Throwing in photosynthetic bacteria water body parameter is before transparency 0.06m, COD 89.2mg/L, BOD 16.4mg/L, TN 12.8mg/L, TP 0.9mg/L, after photosynthetic bacteria is processed about 20d, make water transparency adjust to 0.3-0.8m, COD, BOD, TN and TP value are reduced to respectively 59.2mg/L, 11.6mg/L, 8.1mg/L and 0.5mg/L.
By method of the present invention, repair water body after half a year, submerged plant fraction of coverage reaches 82%; The blue-green algae reduction rate of water body reaches 92%; Water body COD, BOD, TN and TP value are reduced to respectively 13.4mg/L, 3.6mg/L, 0.6mg/L and 0.05mg/L, and clearance reaches 85-95%; More than water transparency is increased to 2m; Water quality reaches III class water quality standard; Formed so clear that you can see the bottom, levels are rich, in picturesque disorder, make the pleasing subaqual landscape effect of people.
Embodiment tri-:
Repairing place is approximately 2500 square meter waters, Changsha, and before repairing, water transparency is 0.07m, and water quality is IV class water quality standard.Concrete steps are:
A, water quality detection: first to processing the indices of the water quality in waters, detect;
B, weed a garden: processing waters is carried out to the preparation works such as weeds removing;
C, throw in photosynthetic bacteria: photosynthetic bacteria is thrown in into water body, input ratio be photosynthetic bacteria liquid with water body than 1:300, wherein in photosynthetic bacteria liquid, total plate count is: 3-5 * 10
10cfu/ml;
D, implantation submerged plant: through photosynthetic bacteria, repair water body after 23 days, four kinds of submerged plant eel grass, hydrilla verticillata, potarnogeton lucens and edible seaweed flower are transplanted in Sediments, be specially eel grass account for sum 65%, hydrilla verticillata 15%, potarnogeton lucens 12%, edible seaweed spend 8%, method for transplanting is carrier method for transplanting.
Throwing in photosynthetic bacteria water body parameter is before transparency 0.07m, COD 80.5mg/L, BOD 15.6mg/L, TN 12.0mg/L, TP 0.8mg/L, through photosynthetic bacteria, process after approximately 23 days, make water transparency adjust to 0.3-0.8m, COD, BOD, TN and TP value are reduced to respectively 54.6mg/L, 11.8mg/L, 7.8mg/L and 0.45mg/L.
By method of the present invention, repair water body after half a year, submerged plant fraction of coverage reaches 83%; The blue-green algae reduction rate of water body reaches 91%; Water body COD, BOD, TN and TP value are reduced to respectively 12.6mg/L, 3.4mg/L, 0.6mg/L and 0.04mg/L, and clearance reaches 85-95%; More than water transparency is increased to 2m; Water quality reaches III class water quality standard; Formed so clear that you can see the bottom, levels are rich, in picturesque disorder, make the pleasing subaqual landscape effect of people.
Claims (3)
1. a kind of, utilize eel grass for main submerged plant and the method for the photosynthetic bacteria joint mapping subaqual landscape ecosystem, it is characterized in that method steps is as follows:
A, water quality detection: first the indices of water quality is detected;
B, weed a garden: processing waters is carried out to the preparation works such as weeds removing in advance;
C, input photosynthetic bacteria: photosynthetic bacteria is thrown in into water body, and input ratio is photosynthetic bacteria liquid: water body=1:250-350;
D, implant submerged plant: through photosynthetic bacteria, repair water body after 20-25 days, four kinds of submerged plant eel grass, hydrilla verticillata, potarnogeton lucens and edible seaweed flower are transplanted to and in Sediments, key in claim 1 herein.
2. according to claim 1ly a kind ofly utilize eel grass for main submerged plant and the method for the photosynthetic bacteria joint mapping subaqual landscape ecosystem, it is characterized in that, in described photosynthetic bacteria liquid, total plate count is: 3-5 * 10
10cfu/ml.
3. according to claim 1ly a kind ofly utilize eel grass for main submerged plant and the method for the photosynthetic bacteria joint mapping subaqual landscape ecosystem, it is characterized in that, described step D implants submerged plant quantity for take eel grass as main, hydrilla verticillata, potarnogeton lucens and edible seaweed flower are used as collocation, be specially eel grass and account for total 60%-70%, hydrilla verticillata 10%-15%, potarnogeton lucens 10%-15%, edible seaweed flower 5%-10%, method for transplanting is cuttage or heavy hydroponics or carrier method for transplanting.
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| CN201410436933.5A CN104150604B (en) | 2014-08-30 | 2014-08-30 | A kind of method utilizing Herba vallisneriae Spiralis to be main submerged plant and photosynthetic bacteria joint mapping subaqual landscape ecosystem |
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Cited By (6)
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| CN105152347A (en) * | 2015-09-28 | 2015-12-16 | 四川鑫淼环保科技有限责任公司 | Building and management method for submerged vegetations in water of lakes |
| CN105981637A (en) * | 2015-02-13 | 2016-10-05 | 上海太和水环境科技发展有限公司 | Method of adding microorganisms for promoting growth of common andrographis herbs |
| CN106927570A (en) * | 2016-08-12 | 2017-07-07 | 上海水源地建设发展有限公司 | A kind of plant bacterium symbiosis underwater lawn based on short flower-free tape grass |
| CN110150130A (en) * | 2019-06-21 | 2019-08-23 | 重庆市十八土鑫诚灌浆防水工程有限公司 | A kind of technique of deep water planting |
| CN110642388A (en) * | 2019-10-31 | 2020-01-03 | 广州华苑园林股份有限公司 | Submerged plant planting structure layer of ecological waterscape and application thereof |
| CN113697960A (en) * | 2021-06-28 | 2021-11-26 | 南京中科水治理股份有限公司 | Method for removing nitrogen and phosphorus in water body by using aquatic plants and photosynthetic bacteria |
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| CN105981637A (en) * | 2015-02-13 | 2016-10-05 | 上海太和水环境科技发展有限公司 | Method of adding microorganisms for promoting growth of common andrographis herbs |
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