CN111072149A - Plant composition for efficiently removing nitrogen and phosphorus - Google Patents
Plant composition for efficiently removing nitrogen and phosphorus Download PDFInfo
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- CN111072149A CN111072149A CN201911298137.9A CN201911298137A CN111072149A CN 111072149 A CN111072149 A CN 111072149A CN 201911298137 A CN201911298137 A CN 201911298137A CN 111072149 A CN111072149 A CN 111072149A
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2101/00—Nature of the contaminant
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- C02F2101/105—Phosphorus compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
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Abstract
The invention provides a plant composition for efficiently removing nitrogen and phosphorus. The plant composition for efficiently removing nitrogen and phosphorus comprises: the top of the circular floating bed is provided with a mounting groove, and the outer side of the bottom of the circular floating bed is fixedly connected with a floating ring; the planting basket is characterized in that the emergent water planting basket is arranged on the circular floating bed, a plurality of water permeable holes are formed in two sides of the surface of the emergent water planting basket, a connecting ring is fixedly connected to the tops of the two sides of the emergent water planting basket, a fixing groove is formed in the top of the connecting ring, a fixing bolt is arranged inside the connecting ring, and a positioning groove is formed in the bottom of the inner wall of the mounting groove. The plant composition for efficiently removing nitrogen and phosphorus provided by the invention has the advantages of plant restoration of a water body with high nitrogen and phosphorus content, economy and environmental protection, the removal of nitrogen and phosphorus in a eutrophic water body by the plant composition is obviously higher than that of a single plant group, the pH value and dissolved oxygen of the water body can be obviously improved by a plant community, and the EC value can be reduced.
Description
Technical Field
The invention relates to the technical field of sewage purification treatment, in particular to a plant composition for efficiently removing nitrogen and phosphorus.
Background
Eutrophication refers to a process that water is rich in N nutrient salt and P nutrient salt, and the N, P nutrient salt combination changes the nutrient structure, biological community components and biochemical cycle of an aquatic ecosystem, so that the algae is increased, the fish species are reduced, and the water quality is continuously deteriorated.
The current situation of water eutrophication caused by human activities threatens global water ecosystem, and along with the current situation of serious water pollution, a plurality of technologies for solving water pollution appear, and a great deal of practice proves that phytoremediation is the most economical and convenient method for treating water pollution, wherein a plant floating bed consisting of emergent aquatic plants, submerged plants, floating plants and the like and a constructed wetland all have obvious remediation effects, the plants are used as core elements in bioremediation to remove nitrogen, phosphorus and other nutrients from water, provide a stable small environment for microbial degradation, change the initial structural function of water ecology, obviously improve water quality, create a better landscape effect, have obvious ecological function and environmental function, improve the living environment of lake environment and other organisms to a certain extent, and purify sewage by utilizing the plants with low cost, The characteristics of easy management, high efficiency, no secondary pollution and the like are realized, the variety of constructed suitable wetland is more in theory, but the variety of the plants available at present is still limited, the previous research on the purification of the eutrophic water body by the plants mainly focuses on the N, P and C removal effect of the single plants or the optimal plant combination on the eutrophic water body, the influence on the treatment effect by different life type plant combinations, complementation or mutual exclusion of the plants is less reported, the reasonable collocation of a plurality of aquatic plants is better than the treatment effect of the single plants, the mixed species not only improves the purification efficiency of the water body, but also has more stable purification effect, but in the plant configuration process, people often neglect the habit and aesthetic value of the aquatic plants, and the hydrological environment and the climatic environment of each area play a vital role in the growth and the purification effect of the aquatic plants, therefore, it is necessary to screen a stable aquatic plant community which is suitable for tolerating a certain eutrophic water body, suitable for the climate of the area and has a landscape effect, so that the purification effect of the aquatic plants in the eutrophic water body can be fully exerted through the screening and configuration research of the aquatic plants, which is of great significance, and the existing plants are not properly combined for use, so that the effect of removing nitrogen and phosphorus is general.
Therefore, there is a need to provide a plant composition for efficiently removing nitrogen and phosphorus.
Disclosure of Invention
The invention provides a plant composition for efficiently removing nitrogen and phosphorus, which solves the problem that the plant composition irregularly purifies nitrogen and phosphorus in water slowly.
In order to solve the technical problems, the plant composition for efficiently removing nitrogen and phosphorus provided by the invention comprises: the top of the circular floating bed is provided with a mounting groove, and the outer side of the bottom of the circular floating bed is fixedly connected with a floating ring; the device comprises an emergent water planting basket, a circular floating bed and a fixing bolt, wherein the emergent water planting basket is arranged on the circular floating bed, a plurality of water permeable holes are formed in two sides of the surface of the emergent water planting basket, connecting rings are fixedly connected to the tops of the two sides of the emergent water planting basket, a fixing groove is formed in the top of each connecting ring, the fixing bolt is arranged inside each connecting ring, a positioning groove is formed in the bottom of the inner wall of each mounting groove, and the inner surface of each positioning groove is in threaded connection with the surface of the corresponding fixing bolt; the floating planting basket is arranged on the circular floating bed; the two submerged planting baskets are respectively arranged on two sides of the top of the circular floating bed; the emergent aquatic plants are arranged inside the emergent aquatic planting baskets, and the bottom of the emergent aquatic plants is provided with emergent aquatic plant roots; the floating plants are arranged inside the floating planting basket; and the five gauze bags are sleeved on the surface of the emergent aquatic plant root system.
Preferably, the inside of the submerged planting basket is provided with submerged plants, the inside of the submerged planting basket is filled with stones of 5mm, and the submerged planting basket sinks at the bottom of the water surface of 80 cm.
Preferably, the emergent aquatic plants are collected from Lythrata dielsiana, Acorus calamus, Eichhornia crassipes, Musa viridissima, Myriophyllum vulgare and Goldia japonica, and are planted in a greenhouse for preliminary experiments to be used.
Preferably, the Lythrum salicaria 5-10 buds/plexus, the plant height 51-56cm, and the total fresh weight 2400 g; 5-10 buds/clumps of acorus calamus, 53-59 plant heights and 510g fresh weight; 3-4 plants of Eichhornia crassipes (mart.) pers, wherein the height of each plant of Eichhornia crassipes (mart.) pers is 33cm, and the fresh weight of each plant of Eichhornia crassipes (mart.) pers is 210 g; 5-10 buds/clump of green leaf canna, 79cm of plant height and 120g of total fresh weight; 6-10 buds/clump of Goldfish algae and 6-10 buds/clump of Foliucai algae, wherein the plant heights are all 30cm, and the total fresh weight is 30 g.
Preferably, the ratio of the fresh weight of the six plants is 80:17:7:4:1: 1.
Preferably, the diameter of the outer diameter of the circular floating bed is 30cm, and a cluster of emergent aquatic plants is arranged on each circular floating bed.
Preferably, the bottoms of the inner walls of the five gauze bags are provided with 300g of stones with the diameter of 5 mm.
Preferably, the diameter of the submerged planting basket is 7cm, and the submerged plants are vertically planted inside the submerged planting basket.
Compared with the related technology, the plant composition for efficiently removing nitrogen and phosphorus provided by the invention has the following beneficial effects:
the plant composition for efficiently removing nitrogen and phosphorus provided by the invention has the advantages of economy and environmental protection in plant restoration of a water body with high nitrogen and phosphorus content, the removal of nitrogen and phosphorus in a eutrophic water body by the plant composition is obviously higher than that of a single plant group, and the PH value and dissolved oxygen of the water body can be obviously improved by contrasting with the plant group, although the EC value can be reduced.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the plant composition for removing nitrogen and phosphorus efficiently according to the present invention;
FIG. 2 is a schematic structural view of the emergent aquatic planting basket portion shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 shows the pre-and post-experimental variation rates of various indexes of plant combinations;
FIG. 5 shows the index changes at different sampling stages;
FIG. 6 shows the values before and after the experiment of each index in the actual implementation;
fig. 7 shows the removal rate before and after the experiment for each index in real time in the field.
Reference numbers in the figures: 1. circular floating bed, 11, mounting groove, 12, buoyancy ring, 2, emergent water planting basket, 21, the hole of permeating water, 22, the go-between, 221, fixed slot, 23, fixing bolt, 24, the constant head tank, 3, the planting basket of swimming, 4, the planting basket of sinking, 5, emergent water plant, 51, emergent water plant root system, 6, the plant of swimming, 7, the gauze bag.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the plant composition for efficiently removing nitrogen and phosphorus provided by the present invention; FIG. 2 is a schematic structural view of the emergent aquatic planting basket portion shown in FIG. 1; FIG. 3 is an enlarged view of portion A of FIG. 2; FIG. 4 shows the pre-and post-experimental variation rates of various indexes of plant combinations; FIG. 5 shows the index changes at different sampling stages; FIG. 6 shows the values before and after the experiment of each index in the actual implementation; fig. 7 shows the removal rate before and after the experiment for each index in real time in the field. A plant composition for efficiently removing nitrogen and phosphorus comprises: the floating bed comprises a circular floating bed 1, wherein the top of the circular floating bed 1 is provided with a mounting groove 11, and the outer side of the bottom of the circular floating bed 1 is fixedly connected with a floating ring 12; the emergent aquatic planting basket 2 is arranged on the circular floating bed 1, a plurality of water permeable holes 21 are formed in two sides of the surface of the emergent aquatic planting basket 2, a connecting ring 22 is fixedly connected to the tops of two sides of the emergent aquatic planting basket 2, a fixing groove 221 is formed in the top of the connecting ring 22, a fixing bolt 23 is arranged inside the connecting ring 22, a positioning groove 24 is formed in the bottom of the inner wall of the mounting groove 11, and the inner surface of the positioning groove 24 is in threaded connection with the surface of the fixing bolt 23; the floating planting basket 3 is arranged on the circular floating bed 1; the two submerged planting baskets 4 are respectively arranged at two sides of the top of the circular floating bed 1; the emergent aquatic plant 5 is arranged inside the emergent aquatic planting basket 2, and the bottom of the emergent aquatic plant 5 is an emergent aquatic plant root system 51; the floating plants 6 are arranged inside the floating planting basket 3; five gauze bags 7, five gauze bags 7 are sleeved on the surface of the emergent aquatic plant root system 51.
The inside of planting the basket 4 in the submerged is provided with the submerged plant to the inside of planting the basket 4 in the submerged is filled with 5 mm's stone, the submerged is planted the basket 4 in the bottom of surface of water 80 cm.
The top of planting the basket 4 in the heavy water and the top that is located circular superficial bed 1 are provided with two lifting rope, conveniently carry the heavy water planting basket 4 and draw to the convenience is planted the height of basket 4 in the heavy water and is adjusted, and the convenient height of planting basket 4 in the heavy water of while is adjusted and is fixed a position.
The emergent aquatic plant 5 is prepared by planting the collected Lythrata dielsiana, Acorus calamus, Eichhornia crassipes, canna viridis, Foliumet spicata and Goldfish algae in a greenhouse for preliminary experiments.
Wherein the Lythra herba Lythrati is 5-10 buds/clump, plant height is 51-56cm, and total fresh weight is 2400 g; 5-10 buds/clumps of acorus calamus, 53-59 plant heights and 510g fresh weight; 3-4 plants of Eichhornia crassipes (mart.) pers, wherein the height of each plant of Eichhornia crassipes (mart.) pers is 33cm, and the fresh weight of each plant of Eichhornia crassipes (mart.) pers is 210 g; 5-10 buds/clump of green leaf canna, 79cm of plant height and 120g of total fresh weight; 6-10 buds/clump of Goldfish algae and 6-10 buds/clump of Foliucai algae, wherein the plant heights are all 30cm, and the total fresh weight is 30 g.
The fresh weight ratio of the six plants is 80:17:7:4:1: 1.
The diameter of the outer diameter of the circular floating bed 1 is 30cm, and a cluster of emergent aquatic plants is arranged on each circular floating bed 1.
The bottoms of the inner walls of the five gauze bags 7 are provided with 300g of stones with the diameter of 5 mm.
The diameter of the submerged planting basket 4 is 7cm, and submerged plants are vertically planted inside the submerged planting basket 4.
The test nutrient water is prepared from potassium nitrate and potassium dihydrogen phosphate, wherein each barrel of nutrient water is prepared by weighing 75.75g and 22.418g of potassium nitrate and potassium dihydrogen phosphate, pouring the dissolved potassium nitrate and potassium dihydrogen phosphate into a barrel filled with 50L of well water, wherein the volume of the barrel is 70L, measuring the initial total nitrogen TN209.73mg/L-215.94mg/L, total phosphorus TP101.57mg/L-116.15mg/L, DO, PH and EC of the eutrophic water in each container, supplementing distilled water to the height of the last sampling before sampling in the test process, and uniformly stirring the water solution.
The sampling method comprises the following steps:
when sampling from the container, the plant is taken out, the water in the container is uniformly mixed, and then 1L of water sample is collected at a position 10cm below the water surface; and (3) determining TN and TP according to the environmental quality standard of surface water, wherein TN adopts an alkaline potassium persulfate digestion ultraviolet spectrophotometry, TP adopts an ammonium molybdate spectrophotometry, dissolved oxygen is determined by a Hash portable dissolved oxygen meter, PH is measured by a Mettler PH meter, and EC is measured by a thunder magnetic conductivity meter.
The total nitrogen or total phosphorus removal rate of the water body is respectively as follows:
WR＝(WC1-WC2)/WC1×100％。
in the formula, WR (%) is the total (total) nitrogen and total (total) phosphorus removal rate of the water body; WC1The total (total) nitrogen and total (total) phosphorus contents of the water body at the beginning of the experiment; WC2The total (total) nitrogen or total (total) phosphorus content of the water body at the end of the experiment.
Statistical analysis was performed using SPSS 20.0.
Except that the biomass of two submerged plants, namely golden fish algae and watermifoil algae, is not increased in the plant combination, the growth conditions of loosestrife, calamus mosaic, ailanthus altissima and canna greenbrier in the test process are good, and the biomass is obviously increased compared with the biomass at the initial stage of the test as shown in figure 4.
The plant combination has the best TN removal effect which is as high as 99%, the obvious difference p between the plant combination and a control is 0.001, the removal effects of different plants are different, the best foxtail algae removal effect is about 72%, the TN removal effects of the loosestrife and canna are lower than those of the control group, but no obvious difference exists, and the TN removal effect of the plant combination is obviously higher than that of a single plant.
The plant combination has the best TP removing effect which is up to 78 percent and higher than that of the control group, but the p is 0.717 which has no significant difference with the control group, and except for canna, the TP removing effect of each single plant is lower than that of the control group.
As can be seen from fig. 4, the plant combination has a significant reduction effect on changing the DO in the water, and the DO is reduced compared with the control group, wherein the control group has significant differences P of 0.012, 0.012, 0.231, 0.057 and 0.001 respectively with respect to the plant combination, the hornworts, the calamus mosaic, the canna and the ailanthus altissima blue, and the removal effect is the best; the EC change rate of the control group is slightly higher than that of each plant group, but no significant difference exists among ECs; the PH values all increased at the end of the experiment, changing from neutral to more basic, with the greatest change in the control group, but the control only differed significantly from the phoenix's eye blue by P ═ 0.001.
With the progress of the test, the TN content in the water body of the planted plant community is gradually reduced, the TN of the control group is in a descending trend as a whole, but the TN has an ascending trend in 28 days and 35 days of sampling and is reduced in the last sampling, the TP content in the water body of the planted plant community is gradually reduced, the descending trend is not obvious in 14 days, 21 days and 28 days, and the reduction of the TP of the control group is in a descending trend all the time.
The plant community can obviously change the PH value of the rising water body from neutral to alkalescence, the EC values of the plant community and CK are reduced relatively to the EC value of the water body at the beginning of the test along with the test, but the EC value of the water body for planting the plant community is reduced more, the DO value in the water body for planting the plant community is gradually reduced, and the DO value in the control group is basically more than 5.
The nitrogen and phosphorus removal effect of calamus is obviously better than that of reed and foxtail algae, in the plant combination treatment, the nitrogen removal effect of the calamus + foxtail algae combination is the best, after 28 days of treatment, the TN removal rate respectively reaches 80%, the TP removal effect of the reed + calamus combination is better than that of other combinations, after 28 days of treatment, the TP removal rate respectively reaches 87%, and 5 aquatic plant combination types are constructed by the senxiao and the like: the method is characterized by comprising the following steps of 1, using the plant combination of the foxtail algae, the phoenix-eye blue +, the allium fistulosum, the lentinus edodes, the canna, the cattail, the lentinus edodes, the calamus, the canna, the soft-shelled turtle, the cattail and the saxifrage to research the purification effect of different aquatic plant combination types on water quality, and finding that the removal rates of TN and TP are 44.39-84.65% and 64.02-94.13% respectively, and the plant combination of the foxtail algae, the hornwort, the canna, the calamus, the cattail and the saxifrage has a good comprehensive purification effect on water, and the plant combination of the foxtail algae, the golden carp algae and the goldfish algae and the potamonia pectinifera can obviously reduce the concentration of soluble total nitrogen in the water; the plant combination of the potamogeton pectinatus and the watermifoil can well remove the soluble TP in the water body; in the experiment 6, the plant combination has the best TN removal effect which is as high as 99 percent, so that the purification of the water body by the plant combination is better than that of a single plant and a control; the plant combination has the best TP removal effect which is as high as 78 percent, and the test combination has very high TN and TP removal effect.
The recovery of aquatic vegetation can obviously improve water quality, such as the recovery of water caltrop, obviously reduce various nutrient salts in the sewage, obviously improve the concentration of dissolved oxygen, PH and transparency, obviously reduce the conductivity and improve the water quality; the method is characterized in that the corynesemetine and the like utilize terrestrial canna, water bamboo, water spinach and rice, the terrestrial canna, the water bamboo, the water spinach and the rice are harvested at the bottom of 11 months in summer, the ryegrass, the barley, the wheat and the alfalfa are planted before 12 middle ten days in winter and 12 months to serve as floating beds, the coverage rate is 30%, the sewage is treated, the water surface appearance and the sensibility are improved after the treatment, the peculiar smell is controlled, the transparency is improved from 5cm to more than 1 meter, the ammonia nitrogen and the total phosphorus are reduced by 4 times and 11 times, and the DO. The effect of the plant combination on changing DO and EC in the water body is obviously reduced, the result of increasing the PH value is generally consistent, and the plant community can improve the water quality.
In field implementation, a small pond is used for application:
5-10 buds/clump of loosestrife, 2-3 clumps/square meter; 5-10 buds/clump of acorus calamus and 2-3 clumps/square meter; 5-10 buds/clump of green leaf canna, 2-3 clumps/square meter; the density of the Eichhornia crassipes (mart.) Gaertn is 5-10 plants per square meter; 6-10 buds/clump of Goldfish algae, 5-6 clumps/square meter; the watermifoil is 6-10 buds/clump strain, 5-6 clumps/square meter; planting emergent aquatic plants in a circular floating bed, wherein planting baskets with the diameter of 15cm are arranged in the circular floating bed, then placing the planting baskets on the circular floating bed with the diameter of 30cm, planting 1 cluster of emergent aquatic plants on each circular floating bed, and filling the roots of the plants into 300g of stones with the diameter of about 5mm by using 5 gauze bags with the diameters of 0.2 multiplied by 0.2cm for fixing in order to keep the plants not to float; planting floating plants on a circular floating bed with the diameter of 30cm, wherein planting baskets with the diameter of 15cm are arranged in the circular floating bed, and planting 1 plant of phoenix-eye blue in each planting basket; planting each submerged plant in a planting basket with the diameter of 7cm, vertically planting the submerged plants in the planting basket, filling stones with the diameter of 5mm in the planting basket, placing the planting basket at the water bottom of 80cm, and fishing dead leaves falling in water every week.
Harvesting the submerged plants once every 30 days except in winter, wherein the harvesting amount accounts for 15-25% of the total amount of the submerged plants; the floating plants are all harvested after the winter; the emergent aquatic plants are harvested completely in winter or harvested with the water surface of more than 10cm, the floating plants are harvested once every 30 days except winter, the harvesting amount accounts for 40-50% of the total floating plant amount, the emergent aquatic plants are harvested once every 30 days, and the harvesting amount accounts for 30-40% of the total emergent aquatic plant amount.
The phytoremediation of the water body with high nitrogen and phosphorus content has the advantages of economy and environmental protection, the removal of nitrogen and phosphorus in the eutrophic water body by the plant combination is obviously higher than that of the individual plant group and the contrast, and the plant community can obviously improve the pH value and dissolved oxygen of the water body, although the EC value can be reduced.
Compared with the related technology, the plant composition for efficiently removing nitrogen and phosphorus provided by the invention has the following beneficial effects:
the phytoremediation of the water body with high nitrogen and phosphorus content has the advantages of economy and environmental protection, the removal of nitrogen and phosphorus in the eutrophic water body by the plant combination is obviously higher than that of the individual plant group and the contrast, and the plant community can obviously improve the pH value and dissolved oxygen of the water body, although the EC value can be reduced.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A plant composition for efficiently removing nitrogen and phosphorus is characterized by comprising:
the top of the circular floating bed is provided with a mounting groove, and the outer side of the bottom of the circular floating bed is fixedly connected with a floating ring;
the device comprises an emergent water planting basket, a circular floating bed and a fixing bolt, wherein the emergent water planting basket is arranged on the circular floating bed, a plurality of water permeable holes are formed in two sides of the surface of the emergent water planting basket, connecting rings are fixedly connected to the tops of the two sides of the emergent water planting basket, a fixing groove is formed in the top of each connecting ring, the fixing bolt is arranged inside each connecting ring, a positioning groove is formed in the bottom of the inner wall of each mounting groove, and the inner surface of each positioning groove is in threaded connection with the surface of the corresponding fixing bolt;
the floating planting basket is arranged on the circular floating bed;
the two submerged planting baskets are respectively arranged on two sides of the top of the circular floating bed;
the emergent aquatic plants are arranged inside the emergent aquatic planting baskets, and the bottom of the emergent aquatic plants is provided with emergent aquatic plant roots;
the floating plants are arranged inside the floating planting basket;
and the five gauze bags are sleeved on the surface of the emergent aquatic plant root system.
2. The plant composition for removing nitrogen and phosphorus with high efficiency as claimed in claim 1, wherein the inside of said submerged planting basket is provided with submerged plants, and the inside of said submerged planting basket is filled with stones of 5mm, said submerged planting basket is submerged at the bottom of 80cm above the water surface.
3. The plant composition for removing nitrogen and phosphorus with high efficiency as claimed in claim 2, wherein the emergent aquatic plants are selected from the group consisting of celandine, calamus mosaic, ailanthus altissima, canna viridis, watermifoil and goldfish algae, and are planted in a greenhouse for future use after preliminary experiments.
4. The plant composition for removing nitrogen and phosphorus with high efficiency according to claim 3, wherein the Lythrum salicaria 5-10 buds/clump, plant height 51-56cm, and total fresh weight 2400 g; 5-10 buds/clumps of acorus calamus, 53-59 plant heights and 510g fresh weight; 3-4 plants of Eichhornia crassipes (mart.) pers, wherein the height of each plant of Eichhornia crassipes (mart.) pers is 33cm, and the fresh weight of each plant of Eichhornia crassipes (mart.) pers is 210 g; 5-10 buds/clump of green leaf canna, 79cm of plant height and 120g of total fresh weight; 6-10 buds/clump of Goldfish algae and 6-10 buds/clump of Foliucai algae, wherein the plant heights are all 30cm, and the total fresh weight is 30 g.
5. The plant composition for removing nitrogen and phosphorus with high efficiency according to claim 4, wherein the fresh weight ratio of the six plants is 80:17:7:4:1: 1.
6. The plant composition for removing nitrogen and phosphorus with high efficiency according to claim 1, wherein the diameter of the outer diameter of the circular floating beds is 30cm, and a cluster of emergent aquatic plants is arranged on each circular floating bed.
7. The plant composition for removing nitrogen and phosphorus with high efficiency according to claim 1, wherein the bottoms of the inner walls of five gauze bags are provided with 300g of stones with the diameter of 5 mm.
8. The plant composition for removing nitrogen and phosphorus with high efficiency according to claim 2, wherein the diameter of the submerged planting basket is 7cm, and the submerged plants are vertically planted inside the submerged planting basket.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1530336A (en) * | 2003-03-17 | 2004-09-22 | 治 张 | Biological recovery of small eutrophic water body |
| CN102160522A (en) * | 2011-04-27 | 2011-08-24 | 华东师范大学 | Method for planting hard artificial landscape water-body aquatic plants |
| EP2371771A1 (en) * | 2010-02-12 | 2011-10-05 | Greener Waste Limited | Modular filtration reed bed |
| CN105638414A (en) * | 2016-01-08 | 2016-06-08 | 武汉中科水生环境工程股份有限公司 | Planting method for improving lodging-resistance capability of emergent aquatic plants on ecological floating bed |
| CN105645594A (en) * | 2016-01-01 | 2016-06-08 | 广州市景泽环境治理有限公司 | Ecological-floating-bed-based water body ecological restoration method |
| CN106745759A (en) * | 2015-11-19 | 2017-05-31 | 上海市水产研究所 | A kind of stereo ecological floating bed |
| CN108249591A (en) * | 2018-03-23 | 2018-07-06 | 江苏和合水环境有限公司 | It is a kind of biological floating bed for purifying water |
| CN110249853A (en) * | 2019-07-22 | 2019-09-20 | 中铁四川生态城投资有限公司 | A kind of submerged plant planting bag |
| CN209668897U (en) * | 2019-03-15 | 2019-11-22 | 江苏聚仁环境工程有限公司 | A kind of complex intensifying to purify water is biological floating bed |
-
2019
- 2019-12-17 CN CN201911298137.9A patent/CN111072149A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1530336A (en) * | 2003-03-17 | 2004-09-22 | 治 张 | Biological recovery of small eutrophic water body |
| EP2371771A1 (en) * | 2010-02-12 | 2011-10-05 | Greener Waste Limited | Modular filtration reed bed |
| CN102160522A (en) * | 2011-04-27 | 2011-08-24 | 华东师范大学 | Method for planting hard artificial landscape water-body aquatic plants |
| CN106745759A (en) * | 2015-11-19 | 2017-05-31 | 上海市水产研究所 | A kind of stereo ecological floating bed |
| CN105645594A (en) * | 2016-01-01 | 2016-06-08 | 广州市景泽环境治理有限公司 | Ecological-floating-bed-based water body ecological restoration method |
| CN105638414A (en) * | 2016-01-08 | 2016-06-08 | 武汉中科水生环境工程股份有限公司 | Planting method for improving lodging-resistance capability of emergent aquatic plants on ecological floating bed |
| CN108249591A (en) * | 2018-03-23 | 2018-07-06 | 江苏和合水环境有限公司 | It is a kind of biological floating bed for purifying water |
| CN209668897U (en) * | 2019-03-15 | 2019-11-22 | 江苏聚仁环境工程有限公司 | A kind of complex intensifying to purify water is biological floating bed |
| CN110249853A (en) * | 2019-07-22 | 2019-09-20 | 中铁四川生态城投资有限公司 | A kind of submerged plant planting bag |
Non-Patent Citations (1)
| Title |
|---|
| 段云霞: "《城市黑臭水体治理实用技术及案例分析》", 31 March 2018, 天津大学出版社 * |
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