CN114956342B - Aquatic plant combination-based sulfamethazine polluted water body restoration method - Google Patents
Aquatic plant combination-based sulfamethazine polluted water body restoration method Download PDFInfo
- Publication number
- CN114956342B CN114956342B CN202210509967.7A CN202210509967A CN114956342B CN 114956342 B CN114956342 B CN 114956342B CN 202210509967 A CN202210509967 A CN 202210509967A CN 114956342 B CN114956342 B CN 114956342B
- Authority
- CN
- China
- Prior art keywords
- water
- plant
- plants
- flowers
- pool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- 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
-
- 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
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- 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
- C02F2101/30—Organic compounds
- C02F2101/40—Organic compounds containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/16—Total nitrogen (tkN-N)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/18—PO4-P
-
- 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
Abstract
The method for restoring the water body polluted by the sulfamethazine based on the aquatic plant combination comprises the steps of respectively exposing emergent aquatic plants and submerged plant seedlings to sulfamethazine aqueous solution, continuously measuring SM2 concentration change, finally screening emergent aquatic plants with highest degradation efficiency, and restoring species of the emergent aquatic plants and submerged plant bitter grass crops, and pre-culturing; building a pool, paving small stones at the bottom of the pool as a fixed matrix, fixing a grass plant on the matrix at the bottom of the pool, fixing the flowers on a foam plate and placing the foam plate in the pool, and degrading SM2 in the water body in a mode of exposing the flowers and the grass to the SM2 polluted water body. The invention comprehensively utilizes the water purification advantages of emergent aquatic plants and submerged plants, efficiently removes the residue of wastewater antibiotics, has the degradation efficiency of SM2 of 61.47%, simultaneously remarkably reduces the Contents of Oxygen Demand (COD), total Nitrogen (TN) and Total Phosphorus (TP) in wastewater, has simple operation method, wide application range and good applicability and environmental friendliness.
Description
Technical Field
The invention relates to a method for restoring a sulfamethazine polluted water body based on aquatic plant combination, belonging to the technical field of prevention and treatment of antibiotic polluted water bodies.
Background
The antibiotic medicine is widely applied to livestock and fish culture industry in China, and can be used for preventing and treating livestock and fish diseases. However, more than 70% of the applied antibiotics are excreted into the environment with faeces and urine. Residual concentrations of antibiotics between ng/L and mg/L can be detected in the soil and water environment throughout the country. The effluent and the reclaimed water of the urban sewage treatment plant are the primary enrichment and distribution sources of environmental pollution factors, and the reclaimed water is used for ecological water supply for a long time, so that environmental and health risks are likely to be generated. In particular, the concentration of antibiotics in reclaimed water is in the range of ng/L to mg/L, which poses a great threat to human health. However, conventional repair techniques are not effective in removing such persistent drug contaminants. Therefore, development of a new process for efficient antibiotic removal is imperative.
Disclosure of Invention
Based on the background, the invention aims to construct a high-efficiency and easy-to-operate aquatic plant combined reactor and a wastewater treatment method, namely an antibiotic pollution water body restoration method based on aquatic plant combination and a reactor thereof, so that the stability of the traditional plant restoration technology is improved, and meanwhile, an ideal process for efficiently removing inorganic nutrients and antibiotics in actual wastewater is realized, the dual aims of up-to-standard wastewater discharge and environmental pollution reduction are truly realized, and the novel wastewater treatment platform of the next green revolution is developed.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
1. the method for repairing the sulfamethazine polluted water based on the aquatic plant combination is characterized by comprising the following steps of:
1) Determination of dominant aquatic plant repair species
Respectively exposing emergent aquatic plants and submerged plant seedlings to a sulfadimidine aqueous solution, and continuously measuring the concentration change of the sulfadimidine in the aqueous solution, and finally screening emergent aquatic plants with highest degradation efficiency, namely flowers and submerged plant sowthistle herb, as dominant aquatic plant restoration species;
2) Pre-cultivation of dominant aquatic plant repair species
Cleaning the flowers and the sowthistle herb, and respectively pre-culturing the flowers and the sowthistle herb for constructing an aquatic plant combined reactor in the next step;
3) Construction of aquatic plant Combined reactor
Building a pond with the depth of 0.5-1.5m, spreading small stones at the bottom of the pond as a fixed matrix, shearing leaves of the pre-cultured bitter grass seedlings to 5+/-1 cm, selecting 5 seedling groups as a cluster of bitter grass plants, and controlling the biomass of the cluster of bitter grass plants to be 10+/-1 g; fixing the plant of herba Sonchi Oleracei on the bottom matrix of pool to make the plant number per square meter not less than 200 plants/m 2 Injecting SM2 polluted water into the pool at least 30cm deep and completely immersing the broadleaf plants;
taking a foam plate, drawing out a plurality of small holes on the foam plate for fixing the sponge according to the stem thickness of the plant of the flowers, and shearing a plurality of sponge strips with the width of 1cm and the length of 5 cm; selecting flowers with biomass of 10+ -1 g, lightly winding sponge strips on the flowersThe root is 1cm upwards and then fixed at the hole digging position of the foam plate; placing the foam board with the plant fixed in the water pool containing SM2 polluted wastewater to ensure that the biomass per square meter is not less than 2kg/m 2 And the roots of the plant of the flowers are completely immersed in water;
4) Repairing polluted water body
Continuously injecting SM2 polluted water into the pool to a set water level, wherein the water level is not more than 20cm away from the top of the pool; degradation of SM2 in water is achieved by exposing the flowers and the herbs to SM 2-contaminated water;
monitoring the water quality by measuring the SM2 concentration in the reactor wastewater every 2 days, and discharging the water in the water tank until the water level is not lower than 30cm after the SM2 concentration reaches a set mark; and reinjecting SM2 polluted water body to carry out next round of repair.
The step 2) is used for pre-culturing dominant aquatic plant restoration species, and specifically comprises the following steps:
repeatedly cleaning the Murraya koenigii seedling with clear water until no soil residue exists at the root; placing cleaned young flowers of Murraya koenigii into a container containing distilled water, immersing the root of the young flowers below the water surface, pre-culturing for 7-10 days, and replacing water every 2 days; the temperature is 30+/-5 ℃ during the culture period, and natural illumination conditions are adopted;
removing impurities from young seedling of herba Sonchi Oleracei, repeatedly cleaning with tap water, fixing root with clean small stone in beaker as root fixing matrix, slowly pouring distilled water into beaker until the whole plant is immersed below water surface, pre-culturing for 7-10 days, and changing water every 2 days; the temperature is 30+/-5 ℃ during the culture period, and the natural illumination condition is adopted.
In the invention, the scholartree is named asThalia dealbata FraserThe plant of the family Marantaceae and genus Maranta is perennial emergent aquatic plant. Is an emergent aquatic flower with extremely high ornamental value introduced into China. Besides ornamental, the flowers have the effect of purifying water quality, are often planted in a pool or a wetland in a piece mode, and can also be potted ornamental or planted in courtyard water body landscapes. The wastewater remediation advantage of the Murraya koenigii for antibiotic pollution is as follows:
1) Stable and efficient removal efficiency;
2) The root system is especially developed, adventitious roots are densely distributed on the root, the length of the adventitious roots is 50-90 cm, lateral roots are arranged on the roots, and lateral roots of upper-layer roots are especially developed. The space volume of the roots and rhizomes of the flowers is huge and is equivalent to that of the overground parts.
In the invention, the grass of Sophora flavescens is named asVallisneria natans (Lour.) HaraPolygonum tinctorium, herba Hedyotidis Diffusae. Is a perennial no-stem submerged herb with stolons. Is used in the environments of stream ditches, rivers and the like. Is widely distributed in fresh water in China. Has various values such as medical use, ornamental and economic. The wastewater remediation advantage of the ku grass on antibiotic pollution is as follows:
1) The propagation speed of the ku grass is high, and only one year is needed, and one plant of ku grass can form one 3m 2 A left-right crowd;
2) The grass plays an important role in releasing oxygen, providing food and life to animals, and decomposing organic pollutants to maintain the health of the aquatic ecosystem.
Aiming at the problems of serious antibiotic pollution of urban wastewater, large limitation of the traditional repair process, poor stability of a single plant bed repair system and the like, the invention organically combines different types of aquatic plants, comprehensively utilizes the different water purification advantages of emergent aquatic plants and submerged plants, efficiently removes the antibiotic residues of the wastewater, and simultaneously reduces the Chemical Oxygen Demand (COD), total Nitrogen (TN), total Phosphorus (TP) and other nutritive salts in the wastewater, thereby achieving the purposes of no secondary pollution, water purification and standard discharge of the wastewater.
The plant bed antibiotic degradation method adopted by the invention utilizes plant root systems to absorb and transfer pollutants so as to reduce the concentration of water antibiotic, the system is convenient to maintain, flexible to move and low in construction and operation cost, and plant biomass can be used for energy production without secondary pollution, thereby being a biological treatment technology for changing waste into valuables. The traditional plant bed system is limited in selecting single plant type, has limited degradation efficiency on antibiotics, and is unfavorable for the balance of the water ecological system after a long time.
In the invention, the degradation efficiency of the combined plant reactor of the flowers and the sowthistle herb on SM2 reaches 61.47%, and the degradation efficiency of the single plant reactor of the flowers and the sowthistle herb is remarkably high Yu Zai. Meanwhile, the plant combined reactor remarkably reduces the oxygen demand (COD), total Nitrogen (TN) and Total Phosphorus (TP) content in the wastewater. Therefore, the invention has strong practical applicability, simple operation method and wide application range, and simultaneously promotes the high efficiency, economy and environmental friendliness of the wastewater antibiotic pollution repair work.
Drawings
FIG. 1 is a schematic diagram of a combined reactor for aquatic plants of Murraya koenigii and Sophora flavescens of the present invention.
FIG. 2 is a graph showing the power curve of the combined plant reactor and the single plant reactor for removing SM2 from wastewater.
In the figure: 1. repeating the flower; 2. a sponge strip; 3. a foam board; 4. herb of kuh-seng; 5. small stones.
Detailed Description
As shown in figure 1, the aquatic plant combined reactor for repairing the sulfamethazine polluted water body, which is related to the method, comprises a pool with the depth of 0.5-1.5m, a flower of Chinese scholartree 1, a herb of ku 4, sea noodles 2, a foam board 3 and a small stone 5; a small stone 5 serving as a fixed matrix is paved at the bottom of the pond, the leaves of 4 seedlings of the pre-cultivated ku grass are cut to 5+/-1 cm, 5 seedling groups are selected as a cluster of ku grass plants, and the biomass of the cluster of ku grass plants is controlled to be 10+/-1 g; fixing the plant of herba Sonchi Oleracei on the bottom matrix of the pond, wherein the number of plants per square meter is not less than 200 plants/m 2 ；
The foam board 3 is provided with a plurality of small holes for fixing the sponge strips 2, and a plurality of sponge strips 2 with the width of 1cm and the length of 5cm are cut; selecting a flower 1 with biomass of 10+/-1 g, lightly winding a sponge strip 2 at the position 1cm upwards from the root of the flower 1, and then fixing the sponge strip at the hole digging position of a foam plate 3; placing the foam board 3 with the plant of the flowers 1 fixed in a pool containing SM2 polluted wastewater, wherein the biomass per square meter is not less than 2kg/m 2 The SM2 polluted water is injected into the water pool, the broadleaf plants are completely immersed, and the roots of the flowers are completely immersed in the water.
The invention specifically adopts the following steps:
1) Determination of dominant aquatic plant repair species
1.1 Selecting seedlings from existing emerging plants and submerged plants;
1.2 Water planting and pre-breeding the seedlings of different aquatic plants for 7-10 days;
1.3 Exposing young plants of the same biomass to an aqueous solution of an antibiotic, determining the concentration change of the antibiotic in the exposure solution every day, and predicting the antibiotic repair capacity of the purchased aquatic plants;
1.4 According to the measured antibiotic degradation efficiency data, selecting emergent aquatic plants and submerged plants with highest degradation efficiency as dominant repair plants; finally, selecting emergent aquatic plants, namely flowers and submerged plants, namely kucao, as dominant repair plants;
2) Constructing a plant reactor:
2.1 Collecting a water sample discharged from a primary sedimentation tank of a sewage treatment plant, and measuring the contents of Chemical Oxygen Demand (COD), total Nitrogen (TN) and Total Phosphorus (TP) in the water sample;
2.2 Construction of a plant reactor for flowers with the same biomass after pre-cultivation a bitter grass plant reactor and a combined plant reactor of flowers and bitter grass;
2.3 3 sets of reactors were exposed to wastewater treatment plant wastewater containing 0.1mg/L sulfadimidine (SM 2), test cycle 10 days;
2.4 Measuring the concentration of SM2 in each set of plant reactor wastewater every 2 days;
2.5 Day 10, the contents of Chemical Oxygen Demand (COD), total Nitrogen (TN) and Total Phosphorus (TP) in the wastewater were measured.
In the step 2.2), the specific mode of pre-formulation is as follows:
repeatedly cleaning the Murraya koenigii seedling with clear water until no soil residue exists at the root; placing the cleaned young flowers of Murraya koenigii into a beaker containing tap water, immersing the root of the young flowers below the water surface, pre-culturing for 7-10 days, and replacing water every 2 days;
removing impurities from young seedling of herba Sonchi Oleracei, repeatedly cleaning with tap water, fixing root with clean small stone as root fixing matrix, slowly pouring tap water into beaker until the whole plant is immersed below water surface, pre-culturing for 7-10 days, and changing water every 2 days; the temperature is 30+/-5 ℃ during the culture period, and the natural illumination condition is adopted.
3) Dynamic detection of wastewater antibiotic Concentration and Oxygen Demand (COD), total Nitrogen (TN) and Total Phosphorus (TP) content
The change of the antibiotic concentration of the wastewater in the 3 groups of plant reactors is detected every two days, and distilled water is timely supplemented to the original liquid level. Taking 1ml of water sample to be detected, and passing through a 0.45 mu m filter membrane. The concentration of antibiotics in the wastewater was determined using high performance liquid chromatography (HPLC, alliance e2695 system, waters, USA). Mobile phase ratio was 0.1% formic acid aqueous solution, acetonitrile=8: 2, ultraviolet detection wavelength 271nm, flow rate 1ml/min, column temperature 30 ℃.
In the step 2.2), a plant reactor is constructed as follows:
a bitter grass plant reactor: a pool is constructed, and a layer of small clean small stone fixed matrix with the length of about 2cm is paved at the bottom of the pool. Cutting leaves of the pre-bred bitter grass seedlings to 5+/-1 cm, selecting 5 seedling groups as a cluster of bitter grass plants, and controlling the biomass of the cluster of bitter grass plants to be 10+/-1 g. Fixing 12 clusters of the broadleaf plants at the bottom of a container, slowly pouring 1mg/L SM2 antibiotic polluted wastewater by about 8L, completely immersing the broadleaf plants, and exposing for 10 days.
Constructing a pool with the same size as the bitter grass plant reactor, taking a plurality of rectangular foam plates, and digging a plurality of small holes on the foam plates for fixing sponge according to the stem thickness of the bitter grass plants; a plurality of sponge strips with the width of about 1cm and the length of about 5cm are cut. And (3) selecting a re-stressed flower with the biomass of 10+/-1 g, lightly winding the sponge strip on the position 1cm above the root of the re-stressed flower, and then fixing the sponge strip at the hole digging position of the foam board. 1mg/L of SM2 antibiotic contaminated wastewater was slowly poured into the pool for about 8L, the foam plate with the plant of Murraya koenigii immobilized was placed in the 1mg/L of SM2 antibiotic contaminated wastewater containing about 8L, and the root of the plant was determined to be completely immersed in the exposure solution and exposed for 10 days.
Reli flower + ku cao plant reactor: constructing a pool with the same size as the bitter grass plant reactor, and paving a small stone fixing matrix; cutting leaves of the pre-bred bitter grass seedlings to 5+/-1 cm, selecting 5 seedling groups as a cluster of bitter grass plants, and controlling the biomass of the cluster of bitter grass plants to be 10+/-1 g; fixing 6 clusters of ku grass plants at the bottom of a container, slowly pouring 1mg/L SM2 antibiotics to pollute 8L wastewater, and completely immersing the ku grass plants;
taking a plurality of rectangular foam plates, digging a plurality of small holes on the foam plates for fixing sponge according to the stem thickness of the plant of the flowers, and shearing a plurality of sponge strips with the width of 1cm and the length of 5 cm; selecting a re-stressed flower with biomass of about 10g, lightly winding a sponge strip on the position 1cm above the root of the re-stressed flower, and then fixing the sponge strip at the hole digging position of the foam board; foam plates with fixed flowers were placed in 1mg/L SM2 antibiotic contaminated wastewater containing plants of Sophora flavescens as described above and the roots of the plants were determined to be completely submerged in the exposure solution (FIG. 1) and exposed for 10 days.
In the step 2.3), the mode of preparing the antibiotic polluted wastewater is as follows:
about 30L of primary sedimentation tank effluent is collected at the primary sedimentation tank effluent position of a sewage treatment plant, the collected wastewater is configured to be 1mg/L of SM2 antibiotic polluted wastewater for standby, and the wastewater is collected from a sewage treatment plant of sea poise river in Qingdao city in the embodiment.
The result shows that the removal rate of the antibiotics in the wastewater in the combined plant reactor of the Murraya koenigii and the Sophora flavescens reaches 61.47% after 10 days, and is obviously higher than the removal efficiency of the antibiotics in the wastewater in the single plant reactor (figure 2). The Contents of Oxygen Demand (COD), total Nitrogen (TN) and Total Phosphorus (TP) are measured by adopting a national standard method, and the result shows that the combined plant reactor of the Murraya koenigii and the Sophora flavescens obviously reduces the contents of COD, TN and TP.
The foregoing is merely an embodiment of the present invention and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, expansion, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (1)
1. The method for repairing the sulfamethazine polluted water based on the aquatic plant combination is characterized by comprising the following steps of:
1) Determination of dominant aquatic plant repair species
Respectively exposing emergent aquatic plants and submerged plant seedlings to a sulfadimidine aqueous solution, and continuously measuring the concentration change of the sulfadimidine in the aqueous solution, and finally screening emergent aquatic plants with highest degradation efficiency, namely flowers and submerged plant sowthistle herb, as dominant aquatic plant restoration species;
2) Pre-cultivation of dominant aquatic plant repair species
Cleaning the flowers and the sowthistle herb, and respectively pre-culturing the flowers and the sowthistle herb for constructing an aquatic plant combined reactor in the next step;
the step 2) is used for pre-culturing dominant aquatic plant restoration species, and specifically comprises the following steps:
repeatedly cleaning the Murraya koenigii seedling with clear water until no soil residue exists at the root; placing cleaned young flowers of Murraya koenigii into a container containing distilled water, immersing the root of the young flowers below the water surface, pre-culturing for 7-10 days, and replacing water every 2 days; the temperature is 30+/-5 ℃ during the culture period, and natural illumination conditions are adopted;
removing impurities from young seedling of herba Sonchi Oleracei, repeatedly cleaning with tap water, fixing root with clean small stone in beaker as root fixing matrix, slowly pouring distilled water into beaker until the whole plant is immersed below water surface, pre-culturing for 7-10 days, and changing water every 2 days; the temperature is 30+/-5 ℃ during the culture period, and natural illumination conditions are adopted;
3) Construction of aquatic plant Combined reactor
Building a pond with the depth of 0.5-1.5m, spreading small stones at the bottom of the pond as a fixed matrix, shearing leaves of the pre-cultured bitter grass seedlings to 5+/-1 cm, selecting 5 seedling groups as a cluster of bitter grass plants, and controlling the biomass of the cluster of bitter grass plants to be 10+/-1 g; fixing the plant of herba Sonchi Oleracei on the bottom matrix of pool to make the plant number per square meter not less than 200 plants/m 2 Injecting SM2 polluted water into the pool at least 30cm deep and completely immersing the broadleaf plants;
taking a foam plate, drawing a plurality of small holes on the foam plate for fixing the sponge according to the stem thickness of the plant of the flowers, and shearing the widthA plurality of sponge strips with the length of 1cm and the length of 5 cm; selecting a re-stressed flower with biomass of 10+/-1 g, lightly winding a sponge strip at the position 1cm above the root of the re-stressed flower, and then fixing the sponge strip at the hole digging position of the foam board; placing the foam board with the plant fixed in the water pool containing SM2 polluted wastewater to ensure that the biomass per square meter is not less than 2kg/m 2 And the roots of the plant of the flowers are completely immersed in water;
4) Repairing polluted water body
Continuously injecting SM2 polluted water into the pool to a set water level, wherein the water level is not more than 20cm away from the top of the pool; degradation of SM2 in water is achieved by exposing the flowers and the herbs to SM 2-contaminated water;
monitoring the water quality by measuring the SM2 concentration in the reactor wastewater every 2 days, and discharging the water in the water tank until the water level is not lower than 30cm after the SM2 concentration reaches a set mark; reinjecting SM2 polluted water body to carry out next round of repair;
the aquatic plant combined reactor in the step 3) comprises a pool with the depth of 0.5-1.5m, a flowers (1), a herba sophorae flavescentis (4), a sponge strip (2), a foam plate (3) and a small stone (5); a small stone (5) serving as a fixed matrix is paved at the bottom of the pond, leaves of seedlings of the pre-cultivated herba sophorae flavescentis (4) are cut to 5+/-1 cm, 5 seedling groups are selected as a cluster of herba sophorae flavescentis plants, and the biomass of the cluster of herba sophorae flavescentis plants is controlled to be 10+/-1 g; fixing the plant of herba Sonchi Oleracei on the bottom matrix of the pond, wherein the number of plants per square meter is not less than 200 plants/m 2 ；
A plurality of small holes for fixing the sponge strips (2) are formed in the foam plate (3), and the sponge strips (2) with the width of 1cm and the length of 5cm are sheared; selecting a re-effort flower (1) with biomass of 10+/-1 g, lightly winding a sponge strip (2) at the position 1cm above the root of the re-effort flower (1), and then fixing the sponge strip at the hole digging position of a foam plate (3); placing the foam board (3) with the plants of the flowers (1) fixed in a pool containing SM2 polluted wastewater, wherein the biomass per square meter is not less than 2kg/m 2 The SM2 polluted water is injected into the water pool, the broadleaf plants are completely immersed, and the roots of the flowers are completely immersed in the water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210509967.7A CN114956342B (en) | 2022-05-11 | 2022-05-11 | Aquatic plant combination-based sulfamethazine polluted water body restoration method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210509967.7A CN114956342B (en) | 2022-05-11 | 2022-05-11 | Aquatic plant combination-based sulfamethazine polluted water body restoration method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114956342A CN114956342A (en) | 2022-08-30 |
| CN114956342B true CN114956342B (en) | 2023-08-25 |
Family
ID=82980849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210509967.7A Active CN114956342B (en) | 2022-05-11 | 2022-05-11 | Aquatic plant combination-based sulfamethazine polluted water body restoration method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114956342B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116605995A (en) * | 2023-03-31 | 2023-08-18 | 北京首创生态环保集团股份有限公司 | Method for degrading sulfonamide antibiotics by using constructed wetland |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005336317A1 (en) * | 2005-09-05 | 2007-03-15 | Research Center For Eco-Environmental Sciences, The Chinese Academy Of Sciences | Composite material and method for removing harmful algal blooms and turning them into submerged macrophytes |
| CN105712596A (en) * | 2016-02-03 | 2016-06-29 | 深圳市铁汉生态环境股份有限公司 | In-situ remediation method for mining area watershed heavy metal pollution bottom sludge |
| CN105836892A (en) * | 2016-05-19 | 2016-08-10 | 昆明市园林科学研究所 | Method for purifying tail water of sewage treatment plant by using combined aquatic plants |
| CN109179894A (en) * | 2018-10-11 | 2019-01-11 | 中国葛洲坝集团水务运营有限公司 | Collect microorganism-aquatic animal-water plant collaboration depth degradation Pollutants in Wastewater device and method |
| AU2020101913A4 (en) * | 2019-11-06 | 2020-10-01 | Tianjin Research Institute For Water Transport Engineering, M.O.T. | An aquatic ecological symbiosis system based on the combination of aquatic plants |
| CN113912250A (en) * | 2021-11-23 | 2022-01-11 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Biological ecological remediation system for rural sewage |
-
2022
- 2022-05-11 CN CN202210509967.7A patent/CN114956342B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2005336317A1 (en) * | 2005-09-05 | 2007-03-15 | Research Center For Eco-Environmental Sciences, The Chinese Academy Of Sciences | Composite material and method for removing harmful algal blooms and turning them into submerged macrophytes |
| CN105712596A (en) * | 2016-02-03 | 2016-06-29 | 深圳市铁汉生态环境股份有限公司 | In-situ remediation method for mining area watershed heavy metal pollution bottom sludge |
| CN105836892A (en) * | 2016-05-19 | 2016-08-10 | 昆明市园林科学研究所 | Method for purifying tail water of sewage treatment plant by using combined aquatic plants |
| CN109179894A (en) * | 2018-10-11 | 2019-01-11 | 中国葛洲坝集团水务运营有限公司 | Collect microorganism-aquatic animal-water plant collaboration depth degradation Pollutants in Wastewater device and method |
| AU2020101913A4 (en) * | 2019-11-06 | 2020-10-01 | Tianjin Research Institute For Water Transport Engineering, M.O.T. | An aquatic ecological symbiosis system based on the combination of aquatic plants |
| CN113912250A (en) * | 2021-11-23 | 2022-01-11 | 安徽省（水利部淮河水利委员会）水利科学研究院（安徽省水利工程质量检测中心站） | Biological ecological remediation system for rural sewage |
Non-Patent Citations (1)
| Title |
|---|
| 张列宇等.黑臭河道治理技术与案例分析.中国环境科学出版社,2016,第170页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114956342A (en) | 2022-08-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Research and application status of ecological floating bed in eutrophic landscape water restoration | |
| CN103951067B (en) | System and method for treating rural sewage by using ecological system based on multi-submerged plant combinations | |
| CA2139247C (en) | Sewage treatment system using peat and a constructed wetland | |
| Davison et al. | Aspects of design, structure, performance and operation of reed beds–eight years' experience in northeastern New South Wales, Australia | |
| Bilgin et al. | Treatment of domestic wastewater using a lab-scale activated sludge/vertical flow subsurface constructed wetlands by using Cyperus alternifolius | |
| CN102633407B (en) | Soil column combination matrix composite flow artificial wetland treatment system | |
| Abou-Elela | Constructed wetlands: The green technology for municipal wastewater treatment and reuse in agriculture | |
| CN101269900A (en) | Ecological system for water purification and recover | |
| CN114956342B (en) | Aquatic plant combination-based sulfamethazine polluted water body restoration method | |
| Gao et al. | Nitrogen and phosphorus removal comparison between periphyton on artificial substrates and plant-periphyton complex in floating treatment wetlands | |
| CN110092543A (en) | A kind of algae pool-environmentally friendly processing method of artificial swamp-ecological pond of urban wastewater treatment firm tail water | |
| CN104529098A (en) | Sewage treatment system | |
| Yehia et al. | Application of algae to free surface wetlands for effluent reuse | |
| CN210711144U (en) | Modularized backwashing constructed wetland device | |
| Rashid et al. | Remediation Of Nutrients From Municipal Wastewater Using German Grass-Aided Floating Treatment Wetland | |
| WO2009152853A1 (en) | Collection of carbon emissions | |
| CN205856268U (en) | Ecological water purification system of high-efficient quick infiltration | |
| El-Khateeb et al. | Low-cost technologies for the treatment of municipal and domestic wastewater | |
| Chen et al. | Comparison of single and mixed plant artificial floating islands for domestic sewage treatment | |
| CN217173401U (en) | Constructed wetland device for rural domestic sewage treatment | |
| CN214032144U (en) | Artificial wetland system for preventing and controlling non-point source pollution of hydro-fluctuation belt | |
| CN215592736U (en) | Artificial wetland system for eutrophic water treatment | |
| Gokalp et al. | Constructed wetland technology for domestic wastewater treatment | |
| Deshpande | Nature-based Wastewater Treatment Systems: An Overview of the Challenges of Small Capacity Plants in an Urban Environment | |
| Wang et al. | Pollution removal capacities of aquatic plant species in the Datong Wetland Park in North China |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |