CN104326565A - Method for repairing zinc-contaminated water by use of aquatic plant water lily - Google Patents
Method for repairing zinc-contaminated water by use of aquatic plant water lily Download PDFInfo
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- CN104326565A CN104326565A CN201410617721.7A CN201410617721A CN104326565A CN 104326565 A CN104326565 A CN 104326565A CN 201410617721 A CN201410617721 A CN 201410617721A CN 104326565 A CN104326565 A CN 104326565A
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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
- 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
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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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 repairing zinc-contaminated water by use of aquatic plant water lily. The method adopts selection, pretreatment, adaptive growth, planting and testing to repair zinc-contaminated water; the adopted aquatic plant species is water lily which belongs to the native dominant plant and has the characteristics of long growth period, strong adaptation and excellent landscape effect and the like, the selected plant can effectively protect the native aquatic plants and can prevent introduced species from invasion, and the whole process is environmentally friendly and pollution-free and has the advantages of low expense, high treatment efficiency and strong operability; and the aquatic plants can form a waterscape, appropriate planting density is adopted to achieve the repairing purpose of the water contaminated by zinc with different concentrations, the water ecosystem is beneficially restored and remarkable social and ecological benefits are achieved.
Description
Technical field
The invention belongs to field of Environment Protection, be specifically related to a kind of method utilizing waterplant water lily to repair zinc pollution water body.
Background technology
Now for zinc pollution water body process mainly applies absorption method, microbial method processes, but cost is high, energy consumption is large, operational difficulty, easily produce secondary pollution, adopt phytoremediation technology in addition, existing rehabilitation plant phoenix eyes Nelumbo Invasive Alien Species, hide ecological crisis; Other are as limited in the processing power such as cattail, reed, thus be badly in need of now wanting a kind of cost low, secondary pollution can not be produced, repair the strong method of zinc pollution water body ability.
Summary of the invention
The object of the invention is to, overcome the deficiencies in the prior art and a kind of simplicity of design, easy to use is provided, cost is low, can not produce secondary pollution, and the waterplant water lily that utilizes that not only can form water landscape but also repair zinc pollution water body ability strong repairs the method for zinc pollution water body.
The object of the present invention is achieved like this: a kind of method utilizing waterplant water lily to repair zinc pollution water body, it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, and control water temperature is 10-25 DEG C, the pH value of water purification is 7-8;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm in the buried mud of waterplant water lily seedling root, wherein in waterplant water lily planting density and polluted-water, the relation of Zn content is as follows: when Zn content in polluted-water is 2 ~ 5mg/L, waterplant water lily planting density is 4500 ~ 5000g/m
2; When Zn content in polluted-water is 5 ~ 10mg/L, waterplant water lily planting density is 5000 ~ 7000g/m
2; When Zn content in polluted-water is 10 ~ 20mg/L, waterplant water lily planting density is 7000 ~ 9000g/m
2;
Step 6: monitoring: the waterplant water lily seedling that step 5 is planted is grown 30-100 days in by the water body of zinc pollution, reaches surface water environment quality V class water quality standard through monitoring;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
Utilize waterplant water lily to repair a method for zinc pollution water body, the clearance average out to more than 99% of the zinc pollution water body soluble Zn using present method to repair, total zinc clearance is between 55 ~ 90%.
The invention has the beneficial effects as follows: the present invention adopts aquatic plant species, wherein water lily belongs to indigenous advantage plant, plant ecosystem waterplant water lily mid-April, utilize plant to the absorption of zinc, the effect of absorption, water lily ramp in 5 ~ August, and bloom daytime, night closes, rate of vegetation reaches about 80%, the reduction ability of water lily full-bloom stage to zinc in water body is the strongest, the ability purified water is also the strongest, thus zinc pollution material in removal water body, after repairing, water quality reaches surface water environment quality (GB3838-2002) V class water quality standard, the clearance average out to more than 99% of zinc pollution water body soluble Zn, total zinc clearance is between 55 ~ 90%, there is certain ornamental value simultaneously, it is long that water lily has vegetative period, strong adaptability, the feature that landscape effect is splendid, therefore water lily plant is selected effectively to protect native country species, take precautions against the invasion of alien species, whole process is environment friendly and pollution-free, there is expense low, processing efficiency is high, workable advantage, water landscape can be formed again simultaneously, and adopt suitable planting density, realize the reparation object of these species to different concns zinc pollution water body, late September regularly gathers in collection in time to November in addition, the present invention is not only conducive to recovering aquatic ecosystem in a word, and there are social benefit and ecological benefits.
Embodiment
Embodiment 1
Utilize waterplant water lily to repair a method for zinc pollution water body, it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, controlling water temperature is 10 DEG C, and the pH value of water purification is 7;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm, planting density 4500g/m in the buried mud of waterplant water lily seedling root
2, the zinc concentration of polluted-water is 2mg/L;
Step 6: test: waterplant water lily seedling step 5 planted grows 30 days in by the water body of zinc pollution, surface water environment quality V class water quality standard is reached through monitoring, the clearance average out to more than 99% of zinc pollution water body soluble Zn, total zinc clearance 55%;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
The present invention adopts aquatic plant species, wherein water lily belongs to indigenous advantage plant, plant ecosystem waterplant water lily mid-April, utilize plant to the absorption of zinc, the effect of absorption, water lily ramp in 5 ~ August, and bloom daytime, night closes, rate of vegetation reaches about 80%, the reduction ability of water lily full-bloom stage to zinc in water body is the strongest, the ability purified water is also the strongest, thus zinc pollution material in removal water body, after repairing, water quality reaches surface water environment quality (GB3838-2002) V class water quality standard, there is certain ornamental value simultaneously, it is long that water lily has vegetative period, strong adaptability, the feature that landscape effect is splendid, therefore water lily plant is selected effectively to protect native country species, take precautions against the invasion of alien species, whole process is environment friendly and pollution-free, there is expense low, processing efficiency is high, workable advantage, water landscape can be formed again simultaneously, and adopt suitable planting density, realize the reparation object of these species to different concns zinc pollution water body, the present invention is not only conducive to recovering aquatic ecosystem in a word, and there are social benefit and ecological benefits.
Embodiment 2
Utilize waterplant water lily to repair a method for zinc pollution water body, it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, controlling water temperature is 15 DEG C, and the pH value of water purification is 7;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm, planting density 5000g/m in the buried mud of waterplant water lily seedling root
2, the zinc concentration of polluted-water is 5mg/L;
Step 6: test: waterplant water lily seedling step 5 planted grows 40 days in by the water body of zinc pollution, surface water environment quality V class water quality standard is reached through monitoring, the clearance average out to more than 99% of zinc pollution water body soluble Zn, total zinc clearance 65%;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
The present invention adopts aquatic plant species, wherein water lily belongs to indigenous advantage plant, plant ecosystem waterplant water lily mid-April, utilize plant to the absorption of zinc, the effect of absorption, water lily ramp in 5 ~ August, and bloom daytime, night closes, rate of vegetation reaches about 80%, the reduction ability of water lily full-bloom stage to zinc in water body is the strongest, the ability purified water is also the strongest, thus zinc pollution material in removal water body, after repairing, water quality reaches surface water environment quality (GB3838-2002) V class water quality standard, there is certain ornamental value simultaneously, it is long that water lily has vegetative period, strong adaptability, the feature that landscape effect is splendid, therefore water lily plant is selected effectively to protect native country species, take precautions against the invasion of alien species, whole process is environment friendly and pollution-free, there is expense low, processing efficiency is high, workable advantage, water landscape can be formed again simultaneously, and adopt suitable planting density, realize the reparation object of these species to different concns zinc pollution water body, the present invention is not only conducive to recovering aquatic ecosystem in a word, and there are social benefit and ecological benefits.
Embodiment 3
Utilize waterplant water lily to repair a method for zinc pollution water body, it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, controlling water temperature is 20 DEG C, and the pH value of water purification is 8;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm, planting density 6000g/m in the buried mud of waterplant water lily seedling root
2, the zinc concentration of polluted-water is 8mg/L;
Step 6: test: waterplant water lily seedling step 5 planted grows 65 days in by the water body of zinc pollution, surface water environment quality V class water quality standard is reached through monitoring, the clearance average out to more than 99% of zinc pollution water body soluble Zn, total zinc clearance 80%;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
The present invention adopts aquatic plant species, wherein water lily belongs to indigenous advantage plant, plant ecosystem waterplant water lily mid-April, utilize plant to the absorption of zinc, the effect of absorption, water lily ramp in 5 ~ August, and bloom daytime, night closes, rate of vegetation reaches about 80%, the reduction ability of water lily full-bloom stage to zinc in water body is the strongest, the ability purified water is also the strongest, thus zinc pollution material in removal water body, after repairing, water quality reaches surface water environment quality (GB3838-2002) V class water quality standard, there is certain ornamental value simultaneously, it is long that water lily has vegetative period, strong adaptability, the feature that landscape effect is splendid, therefore water lily plant is selected effectively to protect native country species, take precautions against the invasion of alien species, whole process is environment friendly and pollution-free, there is expense low, processing efficiency is high, workable advantage, water landscape can be formed again simultaneously, and adopt suitable planting density, realize the reparation object of these species to different concns zinc pollution water body, the present invention is not only conducive to recovering aquatic ecosystem in a word, and there are social benefit and ecological benefits.
Embodiment 4
Utilize waterplant water lily to repair a method for zinc pollution water body, it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, controlling water temperature is 20 DEG C, and the pH value of water purification is 7.5;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm, planting density 8000g/m in the buried mud of waterplant water lily seedling root
2, the zinc concentration of polluted-water is 10mg/L;
Step 6: test: waterplant water lily seedling step 5 planted grows 65 days in by the water body of zinc pollution, surface water environment quality V class water quality standard is reached through monitoring, the clearance average out to more than 99% of zinc pollution water body soluble Zn, total zinc clearance 85%;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
The present invention adopts aquatic plant species, wherein water lily belongs to indigenous advantage plant, plant ecosystem waterplant water lily mid-April, utilize plant to the absorption of zinc, the effect of absorption, water lily ramp in 5 ~ August, and bloom daytime, night closes, rate of vegetation reaches about 80%, the reduction ability of water lily full-bloom stage to zinc in water body is the strongest, the ability purified water is also the strongest, thus zinc pollution material in removal water body, after repairing, water quality reaches surface water environment quality (GB3838-2002) V class water quality standard, there is certain ornamental value simultaneously, it is long that water lily has vegetative period, strong adaptability, the feature that landscape effect is splendid, therefore water lily plant is selected effectively to protect native country species, take precautions against the invasion of alien species, whole process is environment friendly and pollution-free, there is expense low, processing efficiency is high, workable advantage, water landscape can be formed again simultaneously, and adopt suitable planting density, realize the reparation object of these species to different concns zinc pollution water body, the present invention is not only conducive to recovering aquatic ecosystem in a word, and there are social benefit and ecological benefits.
Embodiment 5
Utilize waterplant water lily to repair a method for zinc pollution water body, it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, controlling water temperature is 20 DEG C, and the pH value of water purification is 7.5;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm, planting density 8000g/m in the buried mud of waterplant water lily seedling root
2, the zinc concentration of polluted-water is 15mg/L;
Step 6: test: waterplant water lily seedling step 5 planted grows 90 days in by the water body of zinc pollution, surface water environment quality V class water quality standard is reached through monitoring, the clearance average out to more than 99% of zinc pollution water body soluble Zn, total zinc clearance 88%;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
The present invention adopts aquatic plant species, wherein water lily belongs to indigenous advantage plant, plant ecosystem waterplant water lily mid-April, utilize plant to the absorption of zinc, the effect of absorption, water lily ramp in 5 ~ August, and bloom daytime, night closes, rate of vegetation reaches about 80%, the reduction ability of water lily full-bloom stage to zinc in water body is the strongest, the ability purified water is also the strongest, thus zinc pollution material in removal water body, after repairing, water quality reaches surface water environment quality (GB3838-2002) V class water quality standard, there is certain ornamental value simultaneously, it is long that water lily has vegetative period, strong adaptability, the feature that landscape effect is splendid, therefore water lily plant is selected effectively to protect native country species, take precautions against the invasion of alien species, whole process is environment friendly and pollution-free, there is expense low, processing efficiency is high, workable advantage, water landscape can be formed again simultaneously, and adopt suitable planting density, realize the reparation object of these species to different concns zinc pollution water body, the present invention is not only conducive to recovering aquatic ecosystem in a word, and there are social benefit and ecological benefits.
Embodiment 6
Utilize waterplant water lily to repair a method for zinc pollution water body, it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, controlling water temperature is 25 DEG C, and the pH value of water purification is 8;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm, planting density 9000g/m in the buried mud of waterplant water lily seedling root
2, the zinc concentration of polluted-water is 20mg/L;
Step 6: test: waterplant water lily seedling step 5 planted grows 100 days in by the water body of zinc pollution, surface water environment quality V class water quality standard is reached through monitoring, the clearance average out to more than 99% of zinc pollution water body soluble Zn, total zinc clearance 90%;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
The present invention adopts aquatic plant species, wherein water lily belongs to indigenous advantage plant, plant ecosystem waterplant water lily mid-April, utilize plant to the absorption of zinc, the effect of absorption, water lily ramp in 5 ~ August, and bloom daytime, night closes, rate of vegetation reaches about 80%, the reduction ability of water lily full-bloom stage to zinc in water body is the strongest, the ability purified water is also the strongest, thus zinc pollution material in removal water body, after repairing, water quality reaches surface water environment quality (GB3838-2002) V class water quality standard, there is certain ornamental value simultaneously, it is long that water lily has vegetative period, strong adaptability, the feature that landscape effect is splendid, therefore water lily plant is selected effectively to protect native country species, take precautions against the invasion of alien species, whole process is environment friendly and pollution-free, there is expense low, processing efficiency is high, workable advantage, water landscape can be formed again simultaneously, and adopt suitable planting density, realize the reparation object of these species to different concns zinc pollution water body, the present invention is not only conducive to recovering aquatic ecosystem in a word, and there are social benefit and ecological benefits.
Claims (5)
1. utilize waterplant water lily to repair a method for zinc pollution water body, it is characterized in that: it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, and control water temperature is 10-25 DEG C, the pH value of water purification is 7-8;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm in the buried mud of waterplant water lily seedling root, wherein in waterplant water lily planting density and polluted-water, the relation of Zn content is as follows: when Zn content in polluted-water is 2 ~ 5mg/L, waterplant water lily planting density is 4500 ~ 5000g/m
2; When Zn content in polluted-water is 5 ~ 10mg/L, waterplant water lily planting density is 5000 ~ 7000g/m
2; When Zn content in polluted-water is 10 ~ 20mg/L, waterplant water lily planting density is 7000 ~ 9000g/m
2;
Step 6: monitoring: the waterplant water lily seedling that step 5 is planted is grown 30-100 days in by the water body of zinc pollution, reaches surface water environment quality V class water quality standard through monitoring;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
2. a kind of method utilizing waterplant water lily to repair zinc pollution water body as claimed in claim 1, is characterized in that: the clearance average out to more than 99% of the zinc pollution water body soluble Zn using present method to repair, total zinc clearance is between 55 ~ 90%.
3. a kind of method utilizing waterplant water lily to repair zinc pollution water body as claimed in claim 1, is characterized in that: it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, controlling water temperature is 10 DEG C, and the pH value of water purification is 7;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm, planting density 4500g/m in the buried mud of waterplant water lily seedling root
2, the zinc concentration of polluted-water is 2mg/L;
Step 6: test: waterplant water lily seedling step 5 planted grows 30 days in by the water body of zinc pollution, surface water environment quality V class water quality standard is reached through monitoring, the clearance average out to more than 99% of zinc pollution water body soluble Zn, total zinc clearance 55%;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
4. a kind of method utilizing waterplant water lily to repair zinc pollution water body as claimed in claim 1, is characterized in that: it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, and control water temperature is 20 DEG C, the pH value of water purification is 7.5;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm, planting density 8000g/m in the buried mud of waterplant water lily seedling root
2, the zinc concentration of polluted-water is 10mg/L;
Step 6: monitoring: waterplant water lily seedling step 5 planted grows 60 days in by the water body of zinc pollution, surface water environment quality V class water quality standard is reached through monitoring, the clearance average out to more than 99% of zinc pollution water body soluble Zn, total zinc clearance 85%;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
5. a kind of method utilizing waterplant water lily to repair zinc pollution water body as claimed in claim 1, is characterized in that: it comprises the steps:
Step one: select: select the seedling that footpath height is the waterplant water lily of 10-15cm the first tenday period of a month in April;
Step 2: pre-treatment: the root of the waterplant water lily seedling after step one being selected removes native wash clean;
Step 3: adaptability grows: waterplant water lily seedling root step 2 obtained puts into water purification, and control water temperature is 25 DEG C, the pH value of water purification is 8;
Step 4: adaptability growth terminates: the waterplant water lily seedling adaptability that step 3 adaptability grows is grown seven days, the waterplant water lily seedling of high 3-5cm before the growth of taking-up blade diameter length ratio adaptability;
Step 5: plantation: the waterplant water lily seedling that step 4 is taken out is put into zinc pollution water body, and ensure 10-20cm, planting density 9000g/m in the buried mud of waterplant water lily seedling root
2, the zinc concentration of polluted-water is 20mg/L;
Step 6: monitoring: waterplant water lily seedling step 5 planted grows 65 days in by the water body of zinc pollution, surface water environment quality V class water quality standard is reached through monitoring, the clearance average out to more than 99% of zinc pollution water body soluble Zn, total zinc clearance 90%;
Step 7: protection waterplant water lily: by the waterplant water lily of step 6 late September ~ remove the base of leaf part of harvesting water body upper surface November, and ensure that the height of waterplant water lily root distance water body upper surface is greater than 110cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617721.7A CN104326565B (en) | 2014-11-06 | 2014-11-06 | A kind of method utilizing waterplant water lily to repair zinc pollution water body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617721.7A CN104326565B (en) | 2014-11-06 | 2014-11-06 | A kind of method utilizing waterplant water lily to repair zinc pollution water body |
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| Publication Number | Publication Date |
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| CN104326565A true CN104326565A (en) | 2015-02-04 |
| CN104326565B CN104326565B (en) | 2016-06-01 |
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