CN112940730A - Agent for repairing contaminated soil of mine heavy metal tailing pond and using method - Google Patents
Agent for repairing contaminated soil of mine heavy metal tailing pond and using method Download PDFInfo
- Publication number
- CN112940730A CN112940730A CN202110061163.0A CN202110061163A CN112940730A CN 112940730 A CN112940730 A CN 112940730A CN 202110061163 A CN202110061163 A CN 202110061163A CN 112940730 A CN112940730 A CN 112940730A
- Authority
- CN
- China
- Prior art keywords
- soil
- combination
- medicament
- heavy metal
- tailing pond
- 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
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
- C09K17/18—Prepolymers; Macromolecular compounds
- C09K17/32—Prepolymers; Macromolecular compounds of natural origin, e.g. cellulosic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a medicament for repairing contaminated soil in a mine heavy metal tailing pond and a using method thereof, and relates to the technical field of soil repair, wherein the medicament comprises the following components: combination a and combination B; the medicament combination A comprises the following components: citric acid and corn stover; the medicament combination B comprises the following components: sulfate reducing bacteria and corn stalks. The main raw materials of the invention are corn straws, which can be obtained from local sources, reduce the repair cost, have low treatment cost, do not generate secondary pollution, have the advantages of low raw material cost, high repair speed, good effect and easy formation of industrialized repair, and solve the problems of high repair cost and low repair speed of the existing heavy metal soil; the invention is convenient to use, not only can effectively treat heavy metal pollution of the mine tailing pond, but also can effectively improve the soil structural component of the shallow layer of the tailing pond, has obvious soil remediation effect and increases the cultivated land use area.
Description
Technical Field
The invention relates to the technical field of soil remediation, in particular to a medicament for remediating contaminated soil in a mine heavy metal tailing pond and a using method thereof.
Background
The mining activity of the mine easily causes heavy metal pollution to the production area and the surrounding field, the soil polluted by the heavy metal generally has poor water and soil retention capacity, sharp decrease of fertility and the like, the heavy metal pollution generally has longer duration, wide influence range and stronger concealment, and even enters the surrounding water source conservation area through natural sedimentation, surface runoff and other modes, thereby causing great influence on the ecosystem of the water source area.
The soil heavy metal pollution has the characteristics of high toxicity, strong mobility, high bioavailability, difficult degradability and the like, agricultural products such as crops, vegetables, fruits and the like in the north area are more in variety, heavy metal pollution of part of farmland soil is serious, and heavy metal is easy to accumulate into human bodies through food chains to harm human health, so that the quality of the farmland is investigated and improved, the polluted farmland is well repaired, and the heavy metal migration of the polluted soil is blocked by adopting some economic and effective repairing methods.
At present, a plurality of remediation technologies are adopted at home and abroad for heavy metal contaminated soil, and the methods can be roughly divided into physical and chemical remediation (soil replacement, electric remediation, leaching, passivation and the like), agricultural and ecological remediation (intercropping and relay intercropping, organic fertilizer or water regulation and the like), biological remediation (phytoremediation, soil animal remediation and microbial remediation) and combined remediation. However, due to the severity and complexity of heavy metal pollution of the mining area soil, the purpose of effectively removing the heavy metal pollution is difficult to achieve through a single remediation method, multiple remediation methods are required to be jointly used, and the production cost is high, so that how to efficiently and cheaply cut off the migration of heavy metals to surrounding soil and underground water and improve the remediation efficiency of the heavy metals in the mining area soil becomes a problem which needs to be solved urgently in the prior art. Therefore, the technical personnel in the field provide a medicament for repairing the contaminated soil of the mine heavy metal tailing pond and a using method thereof, so as to solve the problems in the background technology.
Disclosure of Invention
The invention aims to provide a medicament for repairing contaminated soil in a mine heavy metal tailing pond and a using method thereof.
In order to achieve the purpose, the invention provides the following technical scheme: a medicament for repairing contaminated soil of a mine heavy metal tailing pond comprises the following components: combination a and combination B; the medicament combination A comprises the following components: citric acid and corn stover; the medicament combination B comprises the following components: sulfate reducing bacteria and corn stalks.
As a further scheme of the invention: the medicament combination A comprises the following components in percentage by weight: 25% of citric acid and 75% of corn straw.
As a still further scheme of the invention: the medicament combination B comprises the following components in percentage by weight: 3% of sulfate reducing bacteria and 97% of corn straw.
As a still further scheme of the invention: the corn straws in the agent combination A and the agent combination B are prepared by the following method: the corn straw is firstly crushed, then screened by a 80-mesh screen, poured into pure water for soaking in water bath at 100 ℃, and dried to obtain the corn straw.
As a still further scheme of the invention: the preparation method of the medicament combination A comprises the following steps: sequentially adding citric acid and corn straw into a stirring tank according to the proportion requirement, and stirring and mixing uniformly to obtain the corn stalk feed.
As a still further scheme of the invention: the preparation method of the medicament combination B comprises the following steps: sequentially adding sulfate reducing bacteria and corn straws into a stirring tank according to the proportion requirement, and stirring and mixing uniformly to obtain the fertilizer.
A use method of a reagent for repairing contaminated soil of a mine heavy metal tailing pond comprises the following steps:
s101: firstly, selecting a land 1 with excessive Pb and Cd in a gold ore dressing tailing pond to be repaired, sequentially digging square pits with the depth of 0.5m and the bottom of 0.3 x 0.3m on the land 1 at equal intervals of 1m in the transverse and longitudinal directions, and compacting the bottoms of the pits;
s102: then, placing the medicament combination B into the bottom of the pit for paving by 0.03m, then filling the pit with original soil to 0.2m away from the pit opening and compacting;
s103: then, placing the medicament combination A into the bottom of the pit with the thickness of 0.05m for paving, and then filling and compacting the pit by using original soil;
s104: and finally, uniformly mixing the soil with the surface layer of 0.2m by using a cultivator, continuously and uniformly spraying water for 7 days to keep the humidity at 28-32%, and repairing for 2-3 months.
A use method of a reagent for repairing contaminated soil of a mine heavy metal tailing pond comprises the following steps:
s201: firstly, selecting a land 2 with excessive Pb and Cd in a gold ore dressing tailing pond to be repaired, sequentially digging square pits with the depth of 0.5m and the bottom of 0.3 x 0.3m on the land 2 at equal intervals of 1m in the transverse and longitudinal directions, and compacting the bottoms of the pits;
s202: then, placing the medicament combination B into the bottom of the pit for paving by the thickness of about 0.03m, and then filling and compacting the pit by using original soil;
s203: then, continuously digging square pits with the depth of 0.2m and the bottom of 0.5 x 0.5m at the central positions of the original 4 pits, placing the medicament combination A at the bottom of the pits to be paved by the thickness of about 0.05m, and filling and compacting the pits by using original soil;
s204: and finally, uniformly sprinkling water for 7 days continuously to keep the soil humidity at 28-32%, and repairing for 2-3 months.
Compared with the prior art, the invention has the beneficial effects that: the invention discloses a medicament for repairing contaminated soil in a mine heavy metal tailing pond and a using method thereof, wherein the medicament comprises a medicament combination A and a medicament combination B, and the main raw material of the medicament is corn straw which can be obtained locally, so that the repairing cost is reduced, the treatment cost is low, secondary pollution is not generated, the medicament has the advantages of low raw material cost, high repairing speed, good effect and easiness in industrialized repairing, and the problems of high repairing cost and low repairing speed of the existing heavy metal soil are solved; the invention is convenient to use, not only can effectively treat heavy metal pollution of the mine tailing pond, but also can effectively improve the soil structure components of the shallow layer of the tailing pond, has obvious soil remediation effect, can reach the standard value of soil for agricultural planting and human health protection, and increases the use area of cultivated land.
Drawings
FIG. 1 is a schematic diagram of a method for using a chemical for repairing contaminated soil in a mine heavy metal tailing pond;
fig. 2 is a schematic diagram of another application method of the agent for repairing the contaminated soil in the heavy metal tailing pond of the mine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the present invention, the first and second substrates,
example 1
A medicament for repairing contaminated soil of a mine heavy metal tailing pond comprises the following components: combination a and combination B; the medicament combination A comprises the following components: citric acid and corn stover; the medicament combination B comprises the following components: sulfate reducing bacteria and corn stalks.
Further, the medicament combination A comprises the following components in percentage by weight: 25% of citric acid and 75% of corn straw.
Still further, the medicament combination B comprises the following components in percentage by weight: 3% of sulfate reducing bacteria and 97% of corn straw.
Still further, the corn stalks in the agent combination A and the agent combination B are prepared by the following method: the corn straw is firstly crushed, then screened by a 80-mesh screen, poured into pure water for soaking in water bath at 100 ℃, and dried to obtain the corn straw.
Still further, the preparation method of the medicament combination A comprises the following steps: sequentially adding citric acid and corn straw into a stirring tank according to the proportion requirement, and stirring and mixing uniformly to obtain the corn stalk feed.
Still further, the preparation method of the medicament combination B comprises the following steps: sequentially adding sulfate reducing bacteria and corn straws into a stirring tank according to the proportion requirement, and stirring and mixing uniformly to obtain the fertilizer.
A use method of a reagent for repairing contaminated soil of a mine heavy metal tailing pond comprises the following steps:
s101: firstly, selecting a land 1 with excessive Pb and Cd in a gold ore dressing tailing pond to be repaired, sequentially digging square pits with the depth of 0.5m and the bottom of 0.3 x 0.3m on the land 1 at equal intervals of 1m in the transverse and longitudinal directions, and compacting the bottoms of the pits;
s102: then, placing the medicament combination B into the bottom of the pit for paving by 0.03m, then filling the pit with original soil to 0.2m away from the pit opening and compacting;
s103: then, placing the medicament combination A into the bottom of the pit with the thickness of 0.05m for paving, and then filling and compacting the pit by using original soil;
s104: and finally, uniformly mixing the soil with the surface layer of 0.2m by using a cultivator, continuously and uniformly spraying water for 7 days to keep the humidity at 28-32%, and repairing for 2-3 months.
Example 2
A medicament for repairing contaminated soil of a mine heavy metal tailing pond comprises the following components: combination a and combination B; the medicament combination A comprises the following components: citric acid and corn stover; the medicament combination B comprises the following components: sulfate reducing bacteria and corn stalks.
Further, the medicament combination A comprises the following components in percentage by weight: 25% of citric acid and 75% of corn straw.
Still further, the medicament combination B comprises the following components in percentage by weight: 3% of sulfate reducing bacteria and 97% of corn straw.
Still further, the corn stalks in the agent combination A and the agent combination B are prepared by the following method: the corn straw is firstly crushed, then screened by a 80-mesh screen, poured into pure water for soaking in water bath at 100 ℃, and dried to obtain the corn straw.
Still further, the preparation method of the medicament combination A comprises the following steps: sequentially adding citric acid and corn straw into a stirring tank according to the proportion requirement, and stirring and mixing uniformly to obtain the corn stalk feed.
Still further, the preparation method of the medicament combination B comprises the following steps: sequentially adding sulfate reducing bacteria and corn straws into a stirring tank according to the proportion requirement, and stirring and mixing uniformly to obtain the fertilizer.
A use method of a reagent for repairing contaminated soil of a mine heavy metal tailing pond comprises the following steps:
s201: firstly, selecting a land 2 with excessive Pb and Cd in a gold ore dressing tailing pond to be repaired, sequentially digging square pits with the depth of 0.5m and the bottom of 0.3 x 0.3m on the land 2 at equal intervals of 1m in the transverse and longitudinal directions, and compacting the bottoms of the pits;
s202: then, placing the medicament combination B into the bottom of the pit for paving by the thickness of about 0.03m, and then filling and compacting the pit by using original soil;
s203: then, continuously digging square pits with the depth of 0.2m and the bottom of 0.5 x 0.5m at the central positions of the original 4 pits, placing the medicament combination A at the bottom of the pits to be paved by the thickness of about 0.05m, and filling and compacting the pits by using original soil;
s204: and finally, uniformly sprinkling water for 7 days continuously to keep the soil humidity at 28-32%, and repairing for 2-3 months.
Examples of the experiments
The experimental method comprises the following steps: soil before the land parcels 1 and 2 are repaired and after the soil is repaired by the traditional Chinese medicine in the embodiment 1 and 2 is taken for effective state detection of heavy metal in the soil, and the specific detection results are as follows:
TABLE 1 detection results (mg/kg) of soil effective state before and after remediation
Therefore, the agents in the embodiments 1 and 2 of the present invention can effectively remove the content of the available Pb and Cd in the soil, improve the soil environment, and achieve fast soil remediation speed and good remediation effect.
In summary, the medicament comprises a medicament combination A and a medicament combination B, and the main raw materials of the medicament are corn straws, so that the method can be used for locally obtaining materials, reduces the repairing cost, has low treatment cost, does not generate secondary pollution, has the advantages of low raw material cost, high repairing speed, good effect and easy formation of industrialized repairing, and solves the problems of high repairing cost and low repairing speed of the existing heavy metal soil; the invention is convenient to use, not only can effectively treat heavy metal pollution of the mine tailing pond, but also can effectively improve the soil structure components of the shallow layer of the tailing pond, has obvious soil remediation effect, can reach the standard value of soil for agricultural planting and human health protection, and increases the use area of cultivated land.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The agent for restoring the polluted soil of the mine heavy metal tailing pond is characterized in that: the medicament comprises the following components: combination a and combination B;
the medicament combination A comprises the following components: citric acid and corn stover;
the medicament combination B comprises the following components: sulfate reducing bacteria and corn stalks.
2. The agent for repairing the contaminated soil in the mine heavy metal tailing pond, according to claim 1, is characterized in that: the medicament combination A comprises the following components in percentage by weight: 25% of citric acid and 75% of corn straw.
3. The agent for repairing the contaminated soil in the mine heavy metal tailing pond, according to claim 1, is characterized in that: the medicament combination B comprises the following components in percentage by weight: 3% of sulfate reducing bacteria and 97% of corn straw.
4. The agent for repairing the contaminated soil in the mine heavy metal tailing pond, according to claim 1, is characterized in that: the corn straws in the agent combination A and the agent combination B are prepared by the following method: firstly, crushing corn straws, then screening the corn straws by a 80-mesh screen, pouring the screened corn straws into pure water, soaking the corn straws in water bath at 100 ℃ for 12 hours, and airing the corn straws to obtain the corn straw.
5. The agent for repairing the contaminated soil in the mine heavy metal tailing pond, according to claim 1, is characterized in that: the preparation method of the medicament combination A comprises the following steps: sequentially adding citric acid and corn straw into a stirring tank according to the proportion requirement, and stirring and mixing uniformly to obtain the corn stalk feed.
6. The agent for repairing the contaminated soil in the mine heavy metal tailing pond, according to claim 1, is characterized in that: the preparation method of the medicament combination B comprises the following steps: sequentially adding sulfate reducing bacteria and corn straws into a stirring tank according to the proportion requirement, and stirring and mixing uniformly to obtain the fertilizer.
7. The use method of the agent for repairing the contaminated soil in the mine heavy metal tailing pond, according to any one of claims 1 to 6, is characterized in that: the specific use method of the medicament comprises the following steps:
s101: firstly, selecting a land 1 with excessive Pb and Cd in a gold ore dressing tailing pond to be repaired, sequentially digging square pits with the depth of 0.5m and the bottom of 0.3 x 0.3m on the land 1 at equal intervals of 1m in the transverse and longitudinal directions, and compacting the bottoms of the pits;
s102: then, placing the medicament combination B into the bottom of the pit for paving by 0.03m, then filling the pit with original soil to 0.2m away from the pit opening and compacting;
s103: then, placing the medicament combination A into the bottom of the pit with the thickness of 0.05m for paving, and then filling and compacting the pit by using original soil;
s104: and finally, uniformly mixing the soil with the surface layer of 0.2m by using a cultivator, continuously and uniformly spraying water for 7 days to keep the humidity at 28-32%, and repairing for 2-3 months.
8. The use method of the agent for repairing the contaminated soil in the mine heavy metal tailing pond, according to any one of claims 1 to 6, is characterized in that: the specific use method of the medicament comprises the following steps:
s201: firstly, selecting a land 2 with excessive Pb and Cd in a gold ore dressing tailing pond to be repaired, sequentially digging square pits with the depth of 0.5m and the bottom of 0.3 x 0.3m on the land 2 at equal intervals of 1m in the transverse and longitudinal directions, and compacting the bottoms of the pits;
s202: then, placing the medicament combination B into the bottom of the pit for paving by the thickness of about 0.03m, and then filling and compacting the pit by using original soil;
s203: then, continuously digging square pits with the depth of 0.2m and the bottom of 0.5 x 0.5m at the central positions of the original 4 pits, placing the medicament combination A at the bottom of the pits to be paved by the thickness of about 0.05m, and filling and compacting the pits by using original soil;
s204: and finally, uniformly sprinkling water for 7 days continuously to keep the soil humidity at 28-32%, and repairing for 2-3 months.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110061163.0A CN112940730A (en) | 2021-01-15 | 2021-01-15 | Agent for repairing contaminated soil of mine heavy metal tailing pond and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110061163.0A CN112940730A (en) | 2021-01-15 | 2021-01-15 | Agent for repairing contaminated soil of mine heavy metal tailing pond and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112940730A true CN112940730A (en) | 2021-06-11 |
Family
ID=76235400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110061163.0A Pending CN112940730A (en) | 2021-01-15 | 2021-01-15 | Agent for repairing contaminated soil of mine heavy metal tailing pond and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112940730A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037268A (en) * | 2007-04-20 | 2007-09-19 | 合肥工业大学 | Method for restoring mine entironment |
| CN101434919A (en) * | 2007-11-13 | 2009-05-20 | 北京有色金属研究总院 | A strain of sulfate reduction bacteria and process for using the same for treating acidic mine wastewater with straw as carbon nitrogen source |
| CN102909215A (en) * | 2012-11-13 | 2013-02-06 | 华北电力大学 | Method for repairing soil polluted by heavy metal by combining chemical leaching and bioremediation |
| CN103418608A (en) * | 2013-07-16 | 2013-12-04 | 中国科学院过程工程研究所 | Method for jointly repairing heavy metal contaminated soil at mining areas through microorganism-chemical method |
| CN105935691A (en) * | 2016-05-30 | 2016-09-14 | 青岛理工大学 | Novel contaminated site Cd in-situ detoxication method |
| CN105935687A (en) * | 2016-05-30 | 2016-09-14 | 青岛理工大学 | Novel pollution site Pb in-situ detoxification method |
| CN107287129A (en) * | 2016-04-01 | 2017-10-24 | 兰州大学 | One plant can make heavy metal settle sulfate reducing bacteria and its application |
| CN107363083A (en) * | 2017-07-18 | 2017-11-21 | 北京科技大学 | A kind of five layers cover strong reducing in-situ into ore deposit restorative procedure |
| CN108856283A (en) * | 2018-06-07 | 2018-11-23 | 广西壮族自治区环境保护科学研究院 | A kind of repairing method of microorganism in the place containing heavy metal waste slag stockpiling |
| CN109967519A (en) * | 2017-12-28 | 2019-07-05 | 北京有色金属研究总院 | A kind of repairing method of microorganism of Tailings Dam heavy metal pollution |
| CN112496020A (en) * | 2020-10-30 | 2021-03-16 | 煜环环境科技有限公司 | Restoration method for reducing effective state of heavy metal in farmland soil |
-
2021
- 2021-01-15 CN CN202110061163.0A patent/CN112940730A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101037268A (en) * | 2007-04-20 | 2007-09-19 | 合肥工业大学 | Method for restoring mine entironment |
| CN101434919A (en) * | 2007-11-13 | 2009-05-20 | 北京有色金属研究总院 | A strain of sulfate reduction bacteria and process for using the same for treating acidic mine wastewater with straw as carbon nitrogen source |
| CN102909215A (en) * | 2012-11-13 | 2013-02-06 | 华北电力大学 | Method for repairing soil polluted by heavy metal by combining chemical leaching and bioremediation |
| CN103418608A (en) * | 2013-07-16 | 2013-12-04 | 中国科学院过程工程研究所 | Method for jointly repairing heavy metal contaminated soil at mining areas through microorganism-chemical method |
| CN107287129A (en) * | 2016-04-01 | 2017-10-24 | 兰州大学 | One plant can make heavy metal settle sulfate reducing bacteria and its application |
| CN105935691A (en) * | 2016-05-30 | 2016-09-14 | 青岛理工大学 | Novel contaminated site Cd in-situ detoxication method |
| CN105935687A (en) * | 2016-05-30 | 2016-09-14 | 青岛理工大学 | Novel pollution site Pb in-situ detoxification method |
| CN107363083A (en) * | 2017-07-18 | 2017-11-21 | 北京科技大学 | A kind of five layers cover strong reducing in-situ into ore deposit restorative procedure |
| CN109967519A (en) * | 2017-12-28 | 2019-07-05 | 北京有色金属研究总院 | A kind of repairing method of microorganism of Tailings Dam heavy metal pollution |
| CN108856283A (en) * | 2018-06-07 | 2018-11-23 | 广西壮族自治区环境保护科学研究院 | A kind of repairing method of microorganism in the place containing heavy metal waste slag stockpiling |
| CN112496020A (en) * | 2020-10-30 | 2021-03-16 | 煜环环境科技有限公司 | Restoration method for reducing effective state of heavy metal in farmland soil |
Non-Patent Citations (4)
| Title |
|---|
| 全国农业技术推广服务中心编著: "《秸秆还田技术研究与推广实践》", 31 August 2006, 中国农业出版社 * |
| 张夫道等: "《中国土壤生物演变及安全评价》", 30 September 2006, 中国农业出版社 * |
| 张泾生等: "《矿用药剂》", 30 November 2008, 冶金工业出版社 * |
| 黄占斌: "《环境材料学》", 30 November 2017, 冶金工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9333382B2 (en) | Enhanced combination method for phytoremediation of petroleum contaminated soil by Impatiens balsamina L. associated with the indigenous microorganisms | |
| CN106105468B (en) | A kind of method of straw directly returning to field fertilizing soil | |
| Meng et al. | The long-term effects of cattle manure application to agricultural soils as a natural-based solution to combat salinization | |
| CN104230601A (en) | Soil remediation agent and preparation method thereof | |
| CN103143556B (en) | Passivating agent for reducing cadmium activity of acidic vegetable soil and use method thereof | |
| CN107324931A (en) | A kind of soil amendment fertilizer for salt-soda soil | |
| CN105170619B (en) | A method of repairing and improve heavy-metal contaminated soil | |
| CN103238440A (en) | Method for reducing cadmium pollution risk for rape | |
| CN104629769B (en) | A kind of environmentally friendly water conservation anti-evaporating composite and preparation method thereof | |
| CN106010565A (en) | Organochlorine pesticide contaminated soil remediation agent | |
| CN111992580A (en) | Remediation method for heavy metal polluted farmland | |
| CN106034437B (en) | Method and application using the heavy salinized ground of earthworm and pyrolkigneous liquid comprehensive repair | |
| CN108655162A (en) | A kind of method of restoring soil with serious petroleum pollution | |
| CN106069427A (en) | A kind of method reducing Brown Rice cadmium content | |
| CN111408620A (en) | Method for repairing heavy metal contaminated soil by combining microorganisms and plants | |
| Zipori et al. | Potential nutritional value of olive-mill wastewater applied to irrigated olive (Olea europaea L.) orchard in a semi-arid environment over 5 years | |
| CN111527816A (en) | Saline-alkali soil desalting method | |
| CN105330485B (en) | A kind of barrier crops absorb foliar fertilizer and its application of cadmium | |
| CN110121968B (en) | Ecological restoration method for quarry in mining area | |
| CN104998898B (en) | A kind of method of maize straw collaboration weathered coal in-situ passivation soil in protected field heavy metal | |
| CN112940730A (en) | Agent for repairing contaminated soil of mine heavy metal tailing pond and using method | |
| CN103250539A (en) | Method for reducing absorption of cadmium by rape | |
| CN110606790A (en) | Soil improvement repairing agent and preparation method thereof | |
| Kuznetsova et al. | Development trends of a waste processing system as a factor of improving the efficiency of agricultural enterprises | |
| CN109127680A (en) | A method of raw characteristic is planted using biogas residue improvement lead-zinc smelting waste residue |
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 |