CN111662122A - Farmland heavy metal pollution remediation agent and preparation method thereof - Google Patents
Farmland heavy metal pollution remediation agent and preparation method thereof Download PDFInfo
- Publication number
- CN111662122A CN111662122A CN202010683633.2A CN202010683633A CN111662122A CN 111662122 A CN111662122 A CN 111662122A CN 202010683633 A CN202010683633 A CN 202010683633A CN 111662122 A CN111662122 A CN 111662122A
- Authority
- CN
- China
- Prior art keywords
- parts
- soil
- heavy metal
- agent
- metal pollution
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B13/00—Fertilisers produced by pyrogenic processes from phosphatic materials
- C05B13/02—Fertilisers produced by pyrogenic processes from phosphatic materials from rock phosphates
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
-
- 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
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
-
- 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)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Mycology (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a farmland heavy metal pollution repairing agent, which comprises a soil repairing agent, wherein the soil repairing agent is prepared from the following raw materials in parts by weight: 20-30 parts of oyster shell, 10-20 parts of organic fertilizer, 13-17 parts of inorganic fertilizer, 7-10 parts of straw, 8-12 parts of peanut shell, 6-9 parts of rice hull and 2-6 parts of microbial agent. The fertilizer is prepared by compounding oyster shells and various organic nutrient substances, contains biological nicotine, 16 amino acids and various medium and trace elements, has a 2-10 micron micro-porous structure, can neutralize soil acidity, passivate heavy metals, promote the propagation of beneficial microorganisms, and simultaneously promote the root development of crops, and has the functions of preserving water and fertilizer, increasing photosynthetic products, resisting drought, cold, resisting diseases and the like.
Description
Technical Field
The invention relates to a soil remediation agent, in particular to a farmland heavy metal pollution remediation agent and a preparation method thereof.
Background
The heavy metal pollution of the soil mainly comes from long-term sewage irrigation and sludge application, and the long-term application of pesticides, fertilizers and agricultural plastic films containing lead, mercury, cadmium, arsenic and the like results in the enrichment of harmful heavy metals in the soil, and the soil degradation can be caused after the harmful heavy metals are accumulated to a certain degree, so that the yield and the quality of crops are reduced. At present, two methods for restoring soil polluted by heavy metals are provided, one is to change the existence form of the heavy metals in the soil and reduce the toxicity of the heavy metals, and the other is to remove the heavy metals in the soil. However, most of the existing soil restoration agents have low changing efficiency when the existing forms of heavy metals in soil are changed, and the soil restoration agents need to be applied for a long time, so that crops grow slowly in the soil restoration process.
Disclosure of Invention
The invention aims to provide a farmland heavy metal pollution remediation agent and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the farmland heavy metal pollution repairing agent comprises a soil repairing agent, wherein the soil repairing agent is prepared from the following raw materials in parts by weight: 20-30 parts of oyster shell, 10-20 parts of organic fertilizer, 13-17 parts of inorganic fertilizer, 7-10 parts of straw, 8-12 parts of peanut shell, 6-9 parts of rice hull and 2-6 parts of microbial agent.
As a further scheme of the invention: the soil remediation agent is prepared from the following raw materials in parts by weight: 22-28 parts of oyster shell, 12-18 parts of organic fertilizer, 14-16 parts of inorganic fertilizer, 8-9 parts of straw, 9-11 parts of peanut shell, 7-8 parts of rice hull and 3-5 parts of microbial agent.
As a still further scheme of the invention: the soil remediation agent is prepared from the following raw materials in parts by weight: 25 parts of oyster shell, 15 parts of organic fertilizer, 13 parts of inorganic fertilizer, 8.5 parts of straw, 10 parts of peanut shell, 7.5 parts of rice hull and 4 parts of microbial agent.
As a still further scheme of the invention: the organic fertilizer comprises livestock and poultry manure and kitchen waste in equal parts by weight; the inorganic fertilizer comprises one or more of urea, calcium magnesium phosphate, potassium chloride and ferrous sulfate in equal parts by weight; the microbial preparation comprises one or more of Acinetobacter thiobacillus, Micrococcus lactis, Escherichia coli, Vibrio desulforii, Pyrobacterium, Pseudomonas and Ralstonia sp.
As a still further scheme of the invention: the preparation method of the farmland heavy metal pollution remediation agent comprises the following steps:
1) calcining 25 parts of oyster shell at 600-800 ℃ for 80-100 minutes, crushing and sieving with a 100-mesh sieve to obtain oyster shell powder;
2) adding 15 parts of organic fertilizer and 13 parts of inorganic fertilizer into 1000 parts of water, stirring for 10-15 minutes to obtain a mixed solution, adding oyster shell powder into the mixed solution, and stirring for 5-10 minutes to obtain a mixed solution A;
3) adding a pH regulator into the mixed solution A to enable the pH of the mixed solution A to be 7.5-8.5, and obtaining mixed solution B;
4) cutting and crushing 8.5 parts of straw, 10 parts of peanut shell and 7.5 parts of rice hull, adding the cut and crushed materials into 300 parts of soil, adding 100 parts of water and 4 parts of microbial preparation, stirring for 5-10 minutes, and then placing the mixture in a shade place for fermentation for 10-20 days to obtain sludge;
5) and pouring the sludge into the mixed solution B, and stirring for 5-10 minutes at 25-30 ℃ to obtain the farmland heavy metal pollution remediation agent.
As a still further scheme of the invention: the application method of the farmland heavy metal pollution remediation agent is applied to remediation of farmland heavy metal polluted soil so as to reduce the content of heavy metals in the soil.
As a still further scheme of the invention: according to the application of the farmland heavy metal pollution remediation agent, the farmland heavy metal pollution remediation agent is uniformly scattered on heavy metal polluted soil according to the difference of the PH value of the soil, and then the soil covering treatment is carried out, and meanwhile, the soil is kept moist.
Compared with the prior art, the invention has the beneficial effects that: the invention is prepared by compounding oyster shell and various organic nutrient substances, contains biological nicotine, 16 amino acids and various medium and trace elements, and the oyster shell powder has a 2-10 micron microporosity structure, can neutralize soil acidity, passivate heavy metals and promote the propagation of beneficial microorganisms. Meanwhile, the fertilizer can promote the growth of crop roots, and has the functions of preserving water and fertilizer, increasing photosynthetic products, resisting drought, cold and diseases and the like.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to specific embodiments.
Example 1
The farmland heavy metal pollution repairing agent comprises a soil repairing agent, wherein the soil repairing agent is prepared from the following raw materials in parts by weight: 20-30 parts of oyster shell, 10-20 parts of organic fertilizer, 13-17 parts of inorganic fertilizer, 7-10 parts of straw, 8-12 parts of peanut shell, 6-9 parts of rice hull and 2-6 parts of microbial agent.
Example 2
The soil remediation agent is prepared from the following raw materials in parts by weight: 22-28 parts of oyster shell, 12-18 parts of organic fertilizer, 14-16 parts of inorganic fertilizer, 8-9 parts of straw, 9-11 parts of peanut shell, 7-8 parts of rice hull and 3-5 parts of microbial agent.
Example 3
The soil remediation agent is prepared from the following raw materials in parts by weight: 25 parts of oyster shell, 15 parts of organic fertilizer, 13 parts of inorganic fertilizer, 8.5 parts of straw, 10 parts of peanut shell, 7.5 parts of rice hull and 4 parts of microbial agent.
Example 4
The organic fertilizer comprises livestock and poultry manure and kitchen waste in equal parts by weight; the inorganic fertilizer comprises one or more of urea, calcium magnesium phosphate, potassium chloride and ferrous sulfate in equal parts by weight; the microbial preparation comprises one or more of Acinetobacter thiobacillus, Micrococcus lactis, Escherichia coli, Vibrio desulforii, Pyrobacterium, Pseudomonas and Ralstonia sp.
Example 5
The preparation method of the farmland heavy metal pollution remediation agent comprises the following steps:
1) calcining 25 parts of oyster shell at 600-800 ℃ for 80-100 minutes, crushing and sieving with a 100-mesh sieve to obtain oyster shell powder;
2) adding 15 parts of organic fertilizer and 13 parts of inorganic fertilizer into 1000 parts of water, stirring for 10-15 minutes to obtain a mixed solution, adding oyster shell powder into the mixed solution, and stirring for 5-10 minutes to obtain a mixed solution A;
3) adding a pH regulator into the mixed solution A to enable the pH of the mixed solution A to be 7.5-8.5, and obtaining mixed solution B;
4) cutting and crushing 8.5 parts of straw, 10 parts of peanut shell and 7.5 parts of rice hull, adding the cut and crushed materials into 300 parts of soil, adding 100 parts of water and 4 parts of microbial preparation, stirring for 5-10 minutes, and then placing the mixture in a shade place for fermentation for 10-20 days to obtain sludge;
5) and pouring the sludge into the mixed solution B, and stirring for 5-10 minutes at 25-30 ℃ to obtain the farmland heavy metal pollution remediation agent.
Example 6
The application method of the farmland heavy metal pollution remediation agent is applied to remediation of farmland heavy metal polluted soil so as to reduce the content of heavy metals in the soil; according to the application of the farmland heavy metal pollution remediation agent, the farmland heavy metal pollution remediation agent is uniformly scattered on heavy metal polluted soil according to the difference of the PH value of the soil, and then the soil covering treatment is carried out, and meanwhile, the soil is kept moist.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (7)
1. The farmland heavy metal pollution repairing agent comprises a soil repairing agent and is characterized in that the soil repairing agent is prepared from the following raw materials in parts by weight: 20-30 parts of oyster shell, 10-20 parts of organic fertilizer, 13-17 parts of inorganic fertilizer, 7-10 parts of straw, 8-12 parts of peanut shell, 6-9 parts of rice hull and 2-6 parts of microbial agent.
2. The farmland heavy metal pollution remediation agent of claim 1, wherein the soil remediation agent is prepared from the following raw materials in parts by weight: 22-28 parts of oyster shell, 12-18 parts of organic fertilizer, 14-16 parts of inorganic fertilizer, 8-9 parts of straw, 9-11 parts of peanut shell, 7-8 parts of rice hull and 3-5 parts of microbial agent.
3. The farmland heavy metal pollution remediation agent of claim 2, wherein the soil remediation agent is prepared from the following raw materials in parts by weight: 25 parts of oyster shell, 15 parts of organic fertilizer, 13 parts of inorganic fertilizer, 8.5 parts of straw, 10 parts of peanut shell, 7.5 parts of rice hull and 4 parts of microbial agent.
4. The farmland heavy metal pollution remediation agent of claim 3, wherein the organic fertilizer comprises equal parts by weight of livestock and poultry manure and kitchen waste; the inorganic fertilizer comprises one or more of urea, calcium magnesium phosphate, potassium chloride and ferrous sulfate in equal parts by weight; the microbial preparation comprises one or more of Acinetobacter thiobacillus, Micrococcus lactis, Escherichia coli, Vibrio desulforii, Pyrobacterium, Pseudomonas and Ralstonia sp.
5. The preparation method of the farmland heavy metal pollution remediation agent as claimed in any one of claims 1 to 4, which is characterized by comprising the following steps:
1) calcining 25 parts of oyster shell at 600-800 ℃ for 80-100 minutes, crushing and sieving with a 100-mesh sieve to obtain oyster shell powder;
2) adding 15 parts of organic fertilizer and 13 parts of inorganic fertilizer into 1000 parts of water, stirring for 10-15 minutes to obtain a mixed solution, adding oyster shell powder into the mixed solution, and stirring for 5-10 minutes to obtain a mixed solution A;
3) adding a pH regulator into the mixed solution A to enable the pH of the mixed solution A to be 7.5-8.5, and obtaining mixed solution B;
4) cutting and crushing 8.5 parts of straw, 10 parts of peanut shell and 7.5 parts of rice hull, adding the cut and crushed materials into 300 parts of soil, adding 100 parts of water and 4 parts of microbial preparation, stirring for 5-10 minutes, and then placing the mixture in a shade place for fermentation for 10-20 days to obtain sludge;
5) and pouring the sludge into the mixed solution B, and stirring for 5-10 minutes at 25-30 ℃ to obtain the farmland heavy metal pollution remediation agent.
6. The use method of the farmland heavy metal pollution remediation agent as claimed in any one of claims 1 to 4, which is characterized in that: the method is applied to farmland heavy metal contaminated soil remediation so as to reduce the content of heavy metals in the soil.
7. The application of the farmland heavy metal pollution remediation agent as claimed in any one of claims 1 to 4, wherein: according to the difference of the PH value of the soil, the heavy metal pollution remediation agent is uniformly scattered on the soil polluted by the heavy metal according to the proportion of 100-plus-200 kg/mu, and then the soil covering treatment is carried out while the soil is kept moist.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683633.2A CN111662122A (en) | 2020-07-15 | 2020-07-15 | Farmland heavy metal pollution remediation agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010683633.2A CN111662122A (en) | 2020-07-15 | 2020-07-15 | Farmland heavy metal pollution remediation agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111662122A true CN111662122A (en) | 2020-09-15 |
Family
ID=72392622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010683633.2A Withdrawn CN111662122A (en) | 2020-07-15 | 2020-07-15 | Farmland heavy metal pollution remediation agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111662122A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956887A (en) * | 2021-11-11 | 2022-01-21 | 南京清科中晟环境技术有限公司 | Composite ecological restoration agent |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365234A (en) * | 2017-09-05 | 2017-11-21 | 天津胜恩全成生物科技有限公司 | It is a kind of using oyster shell as organic fertilizer of raw material and preparation method thereof |
| CN109825306A (en) * | 2019-03-28 | 2019-05-31 | 苏常美 | A kind of mineral soil renovation agent and preparation method thereof |
| CN109852395A (en) * | 2019-03-15 | 2019-06-07 | 深圳市芭田生态工程股份有限公司 | Oyster shell powder and preparation method thereof, soil heavy metal passivant and organic fertilizer |
| CN110437845A (en) * | 2019-09-04 | 2019-11-12 | 北京沐源华泽环境工程有限公司 | Heavy metal polluted soil of farmland renovation agent and its application method |
| CN111334308A (en) * | 2020-04-20 | 2020-06-26 | 深圳市芭田生态工程股份有限公司 | Soil heavy metal passivator, preparation method thereof and soil remediation method |
-
2020
- 2020-07-15 CN CN202010683633.2A patent/CN111662122A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107365234A (en) * | 2017-09-05 | 2017-11-21 | 天津胜恩全成生物科技有限公司 | It is a kind of using oyster shell as organic fertilizer of raw material and preparation method thereof |
| CN109852395A (en) * | 2019-03-15 | 2019-06-07 | 深圳市芭田生态工程股份有限公司 | Oyster shell powder and preparation method thereof, soil heavy metal passivant and organic fertilizer |
| CN109825306A (en) * | 2019-03-28 | 2019-05-31 | 苏常美 | A kind of mineral soil renovation agent and preparation method thereof |
| CN110437845A (en) * | 2019-09-04 | 2019-11-12 | 北京沐源华泽环境工程有限公司 | Heavy metal polluted soil of farmland renovation agent and its application method |
| CN111334308A (en) * | 2020-04-20 | 2020-06-26 | 深圳市芭田生态工程股份有限公司 | Soil heavy metal passivator, preparation method thereof and soil remediation method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956887A (en) * | 2021-11-11 | 2022-01-21 | 南京清科中晟环境技术有限公司 | Composite ecological restoration agent |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105777329B (en) | A kind of solid union biology controls water conservation moisturizing fertilizer and the preparation method and application thereof | |
| CN110218679B (en) | Secondary salinization soil remediation microbial inoculum and application thereof | |
| CN103467214A (en) | Biological compound fertilizer and preparation method thereof | |
| CN107853093A (en) | A kind of biological modification agent on beach saline-alkali ground and its preparation method and application | |
| CN110950707A (en) | Sandy soil conditioner and preparation method thereof | |
| CN115717076B (en) | Preparation method and application of saline-alkali soil ecological modifier | |
| CN112812779A (en) | Coastal petroleum polluted soil remediation agent and application thereof | |
| CN112209778A (en) | Novel slag soil conditioner and preparation method thereof | |
| CN108794189A (en) | A kind of preparation method of NEW TYPE OF COMPOSITE bio-feritlizer | |
| KR20210007113A (en) | method for the formation of functional growth fertilizer and soil for the cultivation of gateways and oil chestnut trees | |
| CN106518344A (en) | Phyllostachys heterocycla special biological fertilizer capable of avoiding waterlogging and increasing oxygen, and production method thereof | |
| CN1843074A (en) | Cultivation method of nuisance-free chrysanthemum for tea use | |
| JP2004352602A (en) | Useful indigenous bacteria-containing organic fertilizer and method for manufacturing the same | |
| CN111662122A (en) | Farmland heavy metal pollution remediation agent and preparation method thereof | |
| JPH09268089A (en) | Production of microbial material | |
| CN110885265A (en) | Soil rejuvenation ecological fertilizer and preparation method thereof | |
| CN114105698B (en) | Silicon-containing biological fertilizer and preparation method thereof | |
| WO2023050630A1 (en) | Treatment method for ecological restoration of water pollution in farmland water | |
| CN107312547A (en) | A kind of Kiwi berry planting soil modifying agent and preparation method thereof | |
| CN112335521A (en) | Planting matrix for potted flowers | |
| CN106831266A (en) | Heavy metal pollution alkaline land modifying agent and saline and alkali land improvement method based on spent bleaching clay | |
| CN111943770A (en) | Production method of nematode-killing microbial organic fertilizer | |
| CN111848272A (en) | Complete compound fertilizer and preparation method thereof | |
| CN105018104A (en) | Soil amendment and preparation method | |
| CN112919985A (en) | Mushroom dreg organic fertilizer and production method thereof |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200915 |
|
| WW01 | Invention patent application withdrawn after publication |