CN104959379A - Soil remediation method and application thereof - Google Patents
Soil remediation method and application thereof Download PDFInfo
- Publication number
- CN104959379A CN104959379A CN201510465445.1A CN201510465445A CN104959379A CN 104959379 A CN104959379 A CN 104959379A CN 201510465445 A CN201510465445 A CN 201510465445A CN 104959379 A CN104959379 A CN 104959379A
- Authority
- CN
- China
- Prior art keywords
- soil
- hybridization
- annual
- plant
- forage
- 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.)
- Pending
Links
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a soil remediation method and application thereof. The method comprises the steps: planting remediation plants in soil, and applying a biological remediation agent into the soil, wherein the remediation plants are one or a combination of annual cross-bred forage grass sorghum and annual cross-bred forage grass foxtail millet which can be cut for many times; the biological remediation agent at least comprises a fermentation raw bacteria liquid which contains plant growth promoting rhizobacteria (Pseudomonas cedrina UW3 and Pseudomnonas Putida UW4); the preparation of the fermentation raw bacteria liquid is described in the invention patent-ZL2008 1 0181327.8z; the soil is soil damaged by heavy metals which include As, Cd, Co, Cr, Cu, Hg, Ni, Pb, Zn, radioactive U235 and the like.
Description
Technical field
The present invention relates to soil remediation field, specifically, relate to a kind of soil remediation method and application.
Background technology
Along with modernization industrial expansion, soil pollution becomes one of global environmental problem gradually.Especially mining, metal smelt, oil exploitation and Production in Chemical Plant is the most serious to soil pollution.Cause heavy metal, hydrocarbon compound and various poisonous salts too high levels in soil, and be difficult to for a long period of time eliminate totally by natural decomposition.
Soil pollution is not only direct produces toxic action to human body, also causes grain drop in production, is even endangered the health of people by the heavy metal in grain and salt too high levels further.
According to relevant department, sample investigation discovery is carried out to the rice of the market sale of Guangzhou City, sell in kind (places of production from different) at 29 rice, 19 kinds are had containing serious heavy metal pollution, account for 65.5%, wherein there are 9 kinds containing what exceed national food heavy metal pollution sanitary standard, account for 31%.According to World Health Organization's data, heavy metal pollution can cause numerous disease, and as cancer, pain osteopathy, produce infant development and postpone disease, especially developing infant brain postpones disease, and senile dementia, seriously can cause the death rate.
According to agricultural university of China data, some regional fresh goods leaf vegetables are per jin containing heavy metal xxx-xxx milligram, and root vegetables radish also reaches xxx-xxx mg/kg.By year consumption fresh vegetable 200 jin calculating per capita, year absorbs nitrate xxxx milligram/year people per capita.Strange disease in urban and rural residents, strange illness are relevant all therewith.
How to eliminate the pollution problem of soil, become instant problem.
Summary of the invention
In order to solve above-mentioned prior art problem, one object of the present invention is to provide a kind of soil remediation method, and described method is included in soil plants rehabilitation plant and applies to repair biologic product to soil.
Another object of the present invention is to described rehabilitation plant is provided and repair biologic product combine the application in soil remediation.
For reaching above-mentioned purpose, on the one hand, the invention provides a kind of soil remediation method, described method is included in soil plants rehabilitation plant and applies to repair biologic product to soil, described rehabilitation plant is 1 year hybridization Forage Sorghum, one or more the combination in annual hybridization forage grass pearl millet and oat (Avena sativa); Described reparation biologic product at least comprises the bacterium liquid containing plant growth-promoting bacteria, and described bacterium liquid contains plant growth-promoting bacteria Pseudomonas cedrinaUW3 and Pseudomonas putida UW4.
According to certain embodiments of the present invention, described annual hybridization Forage Sorghum is annual hybridization Forage Sorghum (CFSH30, purchased from Canadian AERC company) (triple hybrid of sudangrass and Forage Sorghum).
Described annual hybridization Forage Sorghum can also be CFSH40 or CFSH45 (purchased from Canadian AERC company).
According to certain embodiments of the present invention, described annual hybridization forage grass pearl millet is annual hybridization forage grass pearl millet (CFPM101, purchased from Canadian AERC company) (triple hybrid of sudangrass and pearl millet).
According to certain embodiments of the present invention, described oat is forage grass type oat.
According to certain embodiments of the present invention, the applied amount of described reparation biologic product is 30-100 kg/acre.
Plant growth-promoting bacteria can suppress the generation of ethene in plant, and synthesizes useful auxin, in order to Promoting plant growth.And the present invention finds, plant growth-promoting bacteria can also promote the salt metabolism of plant, and root system of plant is to the absorption of salt-alkali contaminated thing, even can protective plant from the injury of pollutant in soil.
Further, the present invention is by a large amount of experiments, and the bacterial classification selected by discovery and specific plant have good cooperative effect, can remove the inorganic salts in soil more efficiently.
Pseudomonas cedrina UW3 wherein and Pseudomonas putida UW4 is recorded in Chinese patent application 200810181327.8, and the present invention no longer repeats.
For example, in bacterium liquid, the bacterium number ratio of UW3 and UW4 is 1-2:2-1.
Again for example, described reparation biologic product also comprises composite carrier, and described composite carrier to comprise in organic matter, humic acid, decomposed organic matter, complexing displacer, embedded material two or more combination arbitrarily;
Wherein preferably the ratio of composite carrier and bacterium liquid is bacterium number at least 1 hundred million/every gram composite carrier of plant growth-promoting bacteria;
Also preferred is 100% for benchmark with the weight of composite carrier, and described composite carrier comprises the composition of following percentage by weight: the organic matter of 15 ~ 35%, the humic acid of 12 ~ 32%, the decomposed organic matter of 12 ~ 32%, the complexing displacer of 5 ~ 22% and 0.01 ~ 1% embedded material.
According to certain embodiments of the present invention, wherein said method is included in the first time 40-60 days in the process of plant growth, cuts later, leave root 10-12cm and cut raft during every 20-30 days to the carrying out of rehabilitation plant, to make the renewable length of plant, and cut substrate is removed from soil.
According to certain embodiments of the present invention, wherein said method is included in 60 days first times in the process of plant growth, and later every 30 days (such as every 60,90,120,150,180,210,240,270,300 days) times cut the carrying out of rehabilitation plant.
According to certain embodiments of the present invention, wherein said method is also included in the front pre-treatment step to soil of plantation rehabilitation plant.
According to certain embodiments of the present invention, described pre-treatment step comprise prepartion of land, except stone, plough, rake the soil level and apply fertilizer in one or more.
According to certain embodiments of the present invention, after wherein said method is also included in plantation rehabilitation plant, one or more process following is comprised to soil: irrigate, cut off and apply fertilizer.
According to certain embodiments of the present invention, the planting density of wherein said rehabilitation plant is counted with seed amount: oat is 100-200 grain/m
2(30-60 kg/acre), hybridization Forage Sorghum (CFSH30) is 50-80 grain/m
2(1-2 kg/acre), annual hybridization forage grass pearl millet (CFPM101) is 50-80 grain/m
2(0.3-0.5 kg/acre).
According to certain embodiments of the present invention, the seed of rehabilitation plant prior to seeding, also comprises the step processed seed, comprising: carry out seed with the bacterium liquid containing 100-200 hundred million plant growth-promoting bacteria and 0.3-0.6% methylcellulose and clothing process.
Wherein preferably carry out seed with the bacterium liquid containing 20,000,000,000 plant growth-promoting bacterias and 0.5% methylcellulose and clothing process.
According to certain embodiments of the present invention, the described bacterium liquid consumption clothing process is 3-8ml/kg seed; Be preferably 4ml/kg seed.
According to certain embodiments of the present invention, described soil is the soil being subject to Heavy Metal Pollution.
According to certain embodiments of the present invention, described heavy metal is one or more the combination in As, Cd, Cr, Cu, Hg, Ni, Zn and Pb.
On the other hand, present invention also offers described rehabilitation plant and repair biologic product and combine the application in soil remediation, described rehabilitation plant is 1 year hybridization Forage Sorghum, hybridizes one or more the combination in forage grass pearl millet and oat; Described reparation biologic product at least comprises the bacterium liquid containing plant growth-promoting bacteria, and described bacterium liquid contains plant growth-promoting bacteria Pseudomonas cedrina UW3 and Pseudomonas putida UW4.
According to certain embodiments of the present invention, described annual hybridization Forage Sorghum is annual hybridization Forage Sorghum CFSH30.
According to certain embodiments of the present invention, described annual hybridization forage grass pearl millet is annual hybridization forage grass pearl millet CFPM101.
According to certain embodiments of the present invention, described oat is forage grass type oat.
According to certain embodiments of the present invention, described soil is the soil being subject to Heavy Metal Pollution.
According to certain embodiments of the present invention, described heavy metal is one or more the combination in As, Cd, Cr, Cu, Hg, Ni, Zn and Pb.
In sum, the invention provides a kind of reparation perniciousness harm soil method.Method tool of the present invention has the following advantages:
1. utilize the green environmental protection technique of solar energy;
2. applicability is extensive, is applicable to different regions and Different climate condition;
3. keep and recover natural structure and the physics of soil, chemistry and biology feature;
4. with low cost, implement simple, practical;
5. can carry out the process of multiple pollution mixing cpd simultaneously;
6. environmentally safe, do not stay secondary pollution and any environment hidden danger;
7. can provide large number of biological energy, fast, completely, complete repair process thoroughly;
8. repair process produces large number of biological amount and can be used as animal feed and biomass energy, makes soil remediation process economy sustainable.
The present invention can make plant growth vigorous by plant growth-promoting bacteria, thus a large amount of propagation of the microorganism causing nature to exist, and promote the active of root system of plant further, with pollutants such as each heavy metal species in a large amount of absorption soil;
Method of the present invention can shorten the time of soil remediation greatly, usually in a with serious pollution area, can control to be repaired the level to pollution at 5-7.
Accompanying drawing explanation
Fig. 1 is the repair process analysis diagram of the method for restoration of soil polluted by heavy metal.
Fig. 2 is the absorption schematic diagram that embodiment 1 plant growth-promoting bacteria UW3 and UW4 improves plant heavy metal copper.
Fig. 3 is that embodiment 1 plant growth-promoting bacteria UW3 and UW4 improves the preventing from heavy metal ability of plant and improve biomass schematic diagram.
Fig. 4 is the absorption heavy metal ability schematic diagram that embodiment 1 plant growth-promoting bacteria UW3 and UW4 improves plant.
Fig. 5 is the heavy metal ability schematic diagram that embodiment 1 plant growth-promoting bacteria UW3 and UW4 improves plant.
Fig. 6 is embodiment 2 method compares remediating heavy metal cadmium pollution soil speed schematic diagram with existing routine techniques.
Fig. 7 is embodiment 3 compares remediating heavy metal As polluted soil speed schematic diagram with existing routine techniques.
Fig. 8 is embodiment 4 compares remediating heavy metal nickel contamination soil speed schematic diagram with existing routine techniques.
Detailed description of the invention
Describe the beneficial effect of implementation process of the present invention and generation below by way of specific embodiment in detail, be intended to help reader to understand essence of the present invention and feature better, not as can the restriction of practical range to this case.
Embodiment 1
The repair process of the soil of North China (Shandong Province) heavy metal pollution as shown in Figure 1.Soil contains 900-1200mg/kg heavy metal copper (Cu); Area 5 mu, in April, 2010 is wholely, smooth, fertilising (N:P:k:10:10:5 kg/acre), executes and repairs biologic product (100 kgs/acre) and rotary tillage; May 20 sow, annual for oat be 200/m
2, mu consumption 30 kilograms; Seed carries out bacterium liquid dressing before broadcasting, and dressing bacterium liquid is Pseudomonas cedrina UW3 and Pseudomonas putida UW4,20,000 bacterial cells/grain; Sampling (6) analytical control at the beginning of 10 months, Growing season (6 months, in the 60th after planting day, and later every 30 days cut plant, and stay root 12cm to cut raft, make biology can continued growth, and the plant cut down removed) reparation result gather as follows: 1, new technology improves the absorption 45% (as shown in Figure 2) to copper of plant; 2, new technology improves plant growth and biomass 50% (as shown in Figure 3); 3, in new technology raising unit are, plant is 2.5 times (as shown in Figure 4) contrasting to the absorption of copper; 4, new technology improves the speed 300% (contrast 900mg/kg, and new technology dropping to 700g/kg) (as shown in Figure 5) of repairing copper polluted soil.It is do not use biologic product that control group wherein in each figure and the present embodiment scheme are distinguished.
Embodiment 2
The repair process of the soil of 2009-2011 Hunan Province heavy Cd contamination.Cadmium in Soil content is 30-40mg/kg.Area is 10 mu, and annual early March is wholely, smooth, fertilising (N:P:k:10:10:5 kg/acre), executes and repairs biologic product (100 kgs/acre) and rotary tillage; Early April is sowed, and hybridization Forage Sorghum CFSH30 is 50-80 grain/m
2, 1.5 kgs/acre; Seed carries out bacterium liquid dressing before broadcasting, and dressing bacterium liquid is Pseudomonas cedrina UW3 and Pseudomonas putida UW4,20,000 bacterial cells/grain; At the repair process of 6 months, extract 5 times, 6,7,8,9 and mid-October, (20) analytical control of sampling at the beginning of 11 months, the reparation result of continuous 3 years gathers as follows: the reduction Cadmium in Soil content about 30% of new technology every year; First Year drops to 26.2mg/kg from average 35.1mg/kg, and Second Year drops to 19.1mg/kg from 26.2mg/kg, and Second Year drops to 11.0mg/kg from 19.1mg/kg; Within 3 years, reduce by 69.6%, reduce the cadmium content of 23.9mg/kg soil, additive method is only reduction by 19.5% (6.8mg/kg) (as shown in Figure 6) by such as conventional leaf mustard 3.
The repair process of embodiment 3:2010-2012 Yunnan Province moderate arsenic contaminated soil.Soil contains arsenic 140-350mg/kg; Area is 10 mu.Annual March is wholely, smooth, fertilising (N:P:k:10:10:5 kg/acre), executes and repairs biologic product (100 kgs/acre) and rotary tillage; Sow at the beginning of annual 4 months, hybridization Forage Sorghum CFSH30 is 50-60 grain/m
2, 1 kg/acre; Seed carries out bacterium liquid dressing before broadcasting, and dressing bacterium liquid is Pseudomonas cedrina UW3 and Pseudomonas putida UW4,20,000 bacterial cells/grain; At the repair process of 6 months, extract 5 times, 6,7,8,9, late October; Sampling (10) analytical control at the beginning of 11 months, the reparation result of continuous 3 years gathers as follows: the reduction Cadmium in Soil content about 30% of annual new technology; First Year drops to 170.1mg/kg from average 219.2mg/kg, and Second Year drops to 127.2mg/kg from 170.1mg/kg, and Second Year drops to 91.0mg/kg from 127.2mg/kg; 3 years reduce arsenic 68.5%, and (128.2mg/kg), additive method is only reduction by 20.9% (44mg/kg) (as shown in Figure 7) by such as conventional leaf mustard 3.
The repair process of the soil of embodiment 4:2009-2011 Ontario, Canada moderate nickel contamination.Soil contains nickel 220-400mg/kg; Area is 10 mu.Annual March is wholely, smooth, fertilising (N:P:k:10:10:5 kg/acre), executes and repairs biologic product (100 kgs/acre) and rotary tillage; Sow at the beginning of annual 4 months, hybridization forage grass pearl millet CFPM101 is 50-60 grain/m2,0.5 kg/acre; Seed carries out bacterium liquid dressing before broadcasting, and dressing bacterium liquid is Pseudomonas cedrina UW3 and Pseudomonas putida UW4,2-5 ten thousand bacterial cells/grain; At the repair process of 6 months, extract 3 times, 6,8, late October; Sampling (10) analytical control by the end of October, the reparation result of continuous 3 years gathers as follows: nickel content 30-40% in the reduction soil of annual new technology; First Year drops to 191.5mg/kg from average 310mg/kg, and Second Year drops to 121.2mg/kg from 191.5mg/kg, and Second Year drops to 75.1mg/kg from 121.2mg/kg; 3 years reduce nickel 75.8%, and (234.9mg/kg), additive method is only reduction by 25.9% (80.3mg/kg) (as shown in Figure 8) by such as conventional leaf mustard (Brassicajuncea) 3.
Claims (10)
1. a soil remediation method, comprising: in soil, plant rehabilitation plant, and applies to repair biologic product to soil, and described rehabilitation plant is one or more the combination in annual hybridization Forage Sorghum, annual hybridization forage grass pearl millet and oat; Described reparation biologic product at least comprises the bacterium liquid containing plant growth-promoting bacteria, and described bacterium liquid contains plant growth-promoting bacteria Pseudomonas cedrina UW3 and Pseudomonas putida UW4; Preferred described annual hybridization Forage Sorghum is annual hybridization Forage Sorghum; Preferred described annual hybridization forage grass pearl millet is annual hybridization forage grass pearl millet; Preferred described oat is forage grass type oat; The applied amount of preferred described reparation biologic product is 30-100 kg/acre.
2. method according to claim 1, in described bacterium liquid, the bacterium number of UW3 and UW4 is than being 1-2:2-1.
3. method according to claim 1, described reparation biologic product also comprises composite carrier, and described composite carrier to comprise in organic matter, humic acid, decomposed organic matter, complexing displacer, embedded material two or more combination arbitrarily; The ratio of preferred composite carrier and bacterium liquid is bacterium number at least 1 hundred million/every gram composite carrier of plant growth-promoting bacteria; Also preferred is 100% for benchmark with the weight of composite carrier, and described composite carrier comprises the composition of following percentage by weight: the organic matter of 15 ~ 35%, the humic acid of 12 ~ 32%, the decomposed organic matter of 12 ~ 32%, the complexing displacer of 5 ~ 22% and 0.01 ~ 1% embedded material.
4. method according to claim 1, described method is included in the first time 50-60 days in growing process, and often within 20-30 days, cuts the carrying out of rehabilitation plant later, leaves root 10-12cm and cuts raft, to make the renewable length of plant, and cut substrate is removed from soil.
5. method according to claim 1, described method is also included in the front pre-treatment step to soil of plantation rehabilitation plant; Preferred described pre-treatment step comprises prepartion of land, except stone, plough, rake the soil level and apply fertilizer in one or more.
6. method according to claim 1, comprises one or more process following to soil after described method is also included in plantation rehabilitation plant: irrigate, cut off and apply fertilizer.
7. method according to claim 1, the planting density of described rehabilitation plant is with seed number gauge, and oat is 100-200 grain/m
2, hybridization Forage Sorghum is 50-80 grain/m
2, hybridization forage grass pearl millet is 50-80 grain/m
2.
8. method according to claim 1, the seed of rehabilitation plant prior to seeding, also comprises the step processed seed, comprising: carry out seed with the bacterium liquid containing 100-200 hundred million plant growth-promoting bacteria and 0.3-0.6% methylcellulose and clothing process; Preferred described bacterium liquid consumption is 3-8ml/kg seed.
9. the method according to claim 1 ~ 8 any one, described soil is the soil being subject to Heavy Metal Pollution; Preferred described heavy metal is one or more the combination in As, Cd, Cr, Cu, Hg, Ni, Zn and Pb.
10. the application in soil remediation combined by rehabilitation plant and reparation biologic product, and described rehabilitation plant is 1 year hybridization Forage Sorghum, hybridizes one or more the combination in forage grass pearl millet and oat; Described reparation biologic product at least comprises the bacterium liquid containing plant growth-promoting bacteria, and described bacterium liquid contains plant growth-promoting bacteria Pseudomonas cedrina UW3 and Pseudomonas putida UW4; Preferred described annual hybridization Forage Sorghum is annual hybridization Forage Sorghum CFSH30; Preferred described annual hybridization forage grass pearl millet is annual hybridization forage grass pearl millet CFPM101; Preferred described oat is forage grass type oat; Preferred described soil is the soil being subject to Heavy Metal Pollution; Wherein preferred described heavy metal is one or more the combination in As, Cd, Cr, Cu, Hg, Ni, Zn and Pb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510465445.1A CN104959379A (en) | 2015-07-31 | 2015-07-31 | Soil remediation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510465445.1A CN104959379A (en) | 2015-07-31 | 2015-07-31 | Soil remediation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104959379A true CN104959379A (en) | 2015-10-07 |
Family
ID=54213558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510465445.1A Pending CN104959379A (en) | 2015-07-31 | 2015-07-31 | Soil remediation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104959379A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414166A (en) * | 2015-12-31 | 2016-03-23 | 陕西清扬环境科技有限公司 | Repair method for mercury-polluted soil |
| CN105532227A (en) * | 2015-12-21 | 2016-05-04 | 新疆农业科学院生物质能源研究所 | Sweet-sorghum field planting method for remedying Cd, Pb and Cr compound contaminated soil |
| CN106825033A (en) * | 2017-01-05 | 2017-06-13 | 沈阳大学 | A kind of biological reinforced method for repairing DDT polycyclic aromatic hydrocarbon composite pollution soil |
| CN106834184A (en) * | 2017-03-03 | 2017-06-13 | 中南大学 | A kind of composite flora and its application in Cr (VI) contaminated soil remediation |
| CN107321780A (en) * | 2017-09-06 | 2017-11-07 | 杭州智仁建筑工程有限公司 | A kind of phytomicroorganism joins the method for restoration of soil polluted by heavy metal |
| CN108559710A (en) * | 2018-01-03 | 2018-09-21 | 中国农业科学院农业环境与可持续发展研究所 | A kind of reduction crop absorbs seed coat agent and preparation method thereof to arsenic |
| CN109821867A (en) * | 2019-02-22 | 2019-05-31 | 湖南恒凯环保科技投资有限公司 | A kind of mixed fertilizer for repairing mercury pollution and middle low mercury contaminated soil plant restorative procedure |
| CN111229821A (en) * | 2018-11-29 | 2020-06-05 | 冯书妙 | Biological remediation method for saline-alkali harmful soil |
| CN111906134A (en) * | 2020-08-11 | 2020-11-10 | 新乡学院 | Cadmium-lead combined pollution soil plant restoration device |
| NL2032787B1 (en) * | 2022-08-18 | 2024-02-27 | Northwest Inst Plateau Bio Cas | Method for evaluating heavy metal contamination for different land use types |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497542A (en) * | 2008-11-19 | 2009-08-05 | 黄晓东 | Biological preparation containing plant growth promoting bacteria, as well as preparation and use thereof |
| CN104741368A (en) * | 2015-04-02 | 2015-07-01 | 黄晓东 | Method for biological remediation of soil with saline-alkali harms and application |
| CN104772328A (en) * | 2015-04-02 | 2015-07-15 | 黄晓东 | Method for biologically repairing soil polluted by petroleum hydrocarbon compounds and application |
-
2015
- 2015-07-31 CN CN201510465445.1A patent/CN104959379A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497542A (en) * | 2008-11-19 | 2009-08-05 | 黄晓东 | Biological preparation containing plant growth promoting bacteria, as well as preparation and use thereof |
| CN104741368A (en) * | 2015-04-02 | 2015-07-01 | 黄晓东 | Method for biological remediation of soil with saline-alkali harms and application |
| CN104772328A (en) * | 2015-04-02 | 2015-07-15 | 黄晓东 | Method for biologically repairing soil polluted by petroleum hydrocarbon compounds and application |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105532227A (en) * | 2015-12-21 | 2016-05-04 | 新疆农业科学院生物质能源研究所 | Sweet-sorghum field planting method for remedying Cd, Pb and Cr compound contaminated soil |
| CN105414166A (en) * | 2015-12-31 | 2016-03-23 | 陕西清扬环境科技有限公司 | Repair method for mercury-polluted soil |
| CN106825033A (en) * | 2017-01-05 | 2017-06-13 | 沈阳大学 | A kind of biological reinforced method for repairing DDT polycyclic aromatic hydrocarbon composite pollution soil |
| CN106834184A (en) * | 2017-03-03 | 2017-06-13 | 中南大学 | A kind of composite flora and its application in Cr (VI) contaminated soil remediation |
| CN107321780A (en) * | 2017-09-06 | 2017-11-07 | 杭州智仁建筑工程有限公司 | A kind of phytomicroorganism joins the method for restoration of soil polluted by heavy metal |
| CN107321780B (en) * | 2017-09-06 | 2020-05-26 | 鸿灌环境技术有限公司 | Method for repairing soil pollution by combining plant microorganisms |
| CN108559710A (en) * | 2018-01-03 | 2018-09-21 | 中国农业科学院农业环境与可持续发展研究所 | A kind of reduction crop absorbs seed coat agent and preparation method thereof to arsenic |
| CN111229821A (en) * | 2018-11-29 | 2020-06-05 | 冯书妙 | Biological remediation method for saline-alkali harmful soil |
| CN109821867A (en) * | 2019-02-22 | 2019-05-31 | 湖南恒凯环保科技投资有限公司 | A kind of mixed fertilizer for repairing mercury pollution and middle low mercury contaminated soil plant restorative procedure |
| CN111906134A (en) * | 2020-08-11 | 2020-11-10 | 新乡学院 | Cadmium-lead combined pollution soil plant restoration device |
| CN111906134B (en) * | 2020-08-11 | 2022-02-15 | 新乡学院 | Cadmium-lead combined pollution soil plant restoration device |
| NL2032787B1 (en) * | 2022-08-18 | 2024-02-27 | Northwest Inst Plateau Bio Cas | Method for evaluating heavy metal contamination for different land use types |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104959379A (en) | Soil remediation method and application thereof | |
| CN104529668B (en) | Metal mine soil conditioner, and mine ecological remediation method using metal mine soil conditioner. | |
| Kadukova et al. | Pb and Cd accumulation and phyto-excretion by salt cedar (Tamarix smyrnensis Bunge) | |
| Fumagalli et al. | The rotation of white lupin (Lupinus albus L.) with metal-accumulating plant crops: A strategy to increase the benefits of soil phytoremediation | |
| CN103238440B (en) | Method for reducing cadmium pollution risk for rape | |
| Wang et al. | Co-planting Cd contaminated field using hyperaccumulator Solanum nigrum L. through interplant with low accumulation welsh onion | |
| CN102349373B (en) | Method for repairing soil polluted by heavy metal in situ by mixed planting of plant | |
| CN101096033A (en) | Method for restoring cadmium polluted soil by using amaranth | |
| CN108856282B (en) | Composite remediation method for heavy metal contaminated farmland soil | |
| CN101279325A (en) | Method for repairing heavy metal polluted soil using combined technology of interacted plants and chemical leaching | |
| CN104289506A (en) | Biological remediation method for soil polluted by cadmium, zinc, lead and copper ions | |
| CN104226679B (en) | A kind of method using antimicrobial plant combine d bioremediation manufactured coal gas plant contaminated soil | |
| CN106180160B (en) | Method for promoting castor to restore cadmium-zinc combined polluted soil | |
| CN106995704A (en) | A kind of renovation agent, its preparation method and the method with its restoration of soil polluted by heavy metal | |
| CN107337566A (en) | It is a kind of can restoration of soil polluted by heavy metal bio-feritlizer and preparation method thereof | |
| CN104946262A (en) | Acidic farmland soil heavy metal cadmium pollution in situ passivation conditioner and preparation method thereof | |
| CN106337030A (en) | Microbial product for treatment of heavy metal polluted saline-alkaline land and manufacture method thereof | |
| CN101941018B (en) | Method for remediating cadmium contaminated soil by using ornamental plant smooth joyweed | |
| CN104741368A (en) | Method for biological remediation of soil with saline-alkali harms and application | |
| CN106010544A (en) | Reducing aluminum-containing composite heavy metal passivation agent and use method thereof | |
| CN105478459A (en) | Method for treating petroleum-lead-cadmium combined polluted soil | |
| Sun et al. | Cadmium accumulation and main rhizosphere characteristics of seven French marigold (Tagetes patula L.) cultivars | |
| Yang et al. | Chemical speciation and bioavailability of cadmium and lead in the gray calcium soil | |
| CN106222110A (en) | A kind of microbial product administering heavy metal pollution sandy soil and manufacture method thereof | |
| CN109647876B (en) | Method for restoring farmland soil polluted by low-concentration mercury by using ramie single cropping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151007 |