CN111575017A - Soil remediation agent for heavy metal contaminated soil and preparation method thereof - Google Patents
Soil remediation agent for heavy metal contaminated soil and preparation method thereof Download PDFInfo
- Publication number
- CN111575017A CN111575017A CN202010584654.9A CN202010584654A CN111575017A CN 111575017 A CN111575017 A CN 111575017A CN 202010584654 A CN202010584654 A CN 202010584654A CN 111575017 A CN111575017 A CN 111575017A
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- China
- Prior art keywords
- parts
- soil
- heavy metal
- agent
- soil remediation
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- 239000002689 soil Substances 0.000 title claims abstract description 62
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 42
- 238000005067 remediation Methods 0.000 title claims abstract description 26
- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000010902 straw Substances 0.000 claims abstract description 16
- 230000003213 activating effect Effects 0.000 claims abstract description 13
- QJZYHAIUNVAGQP-UHFFFAOYSA-N 3-nitrobicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid Chemical compound C1C2C=CC1C(C(=O)O)C2(C(O)=O)[N+]([O-])=O QJZYHAIUNVAGQP-UHFFFAOYSA-N 0.000 claims abstract description 12
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims abstract description 12
- 229920002101 Chitin Polymers 0.000 claims abstract description 12
- 229920001661 Chitosan Polymers 0.000 claims abstract description 12
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims abstract description 12
- 239000001099 ammonium carbonate Substances 0.000 claims abstract description 12
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 12
- 239000010459 dolomite Substances 0.000 claims abstract description 12
- 239000004021 humic acid Substances 0.000 claims abstract description 12
- 239000003415 peat Substances 0.000 claims abstract description 12
- 229940070527 tourmaline Drugs 0.000 claims abstract description 12
- 229910052613 tourmaline Inorganic materials 0.000 claims abstract description 12
- 239000011032 tourmaline Substances 0.000 claims abstract description 12
- 235000013619 trace mineral Nutrition 0.000 claims abstract description 12
- 239000011573 trace mineral Substances 0.000 claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 241000196324 Embryophyta Species 0.000 claims description 13
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 244000068988 Glycine max Species 0.000 claims description 2
- 235000010469 Glycine max Nutrition 0.000 claims description 2
- 241000209140 Triticum Species 0.000 claims description 2
- 235000021307 Triticum Nutrition 0.000 claims description 2
- 240000008042 Zea mays Species 0.000 claims description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 2
- 235000005822 corn Nutrition 0.000 claims description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 abstract description 5
- 230000035558 fertility Effects 0.000 abstract description 3
- 239000002028 Biomass Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
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
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- 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
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to the technical field of soil remediation agents, and discloses a soil remediation agent for heavy metal contaminated soil and a preparation method thereof. The soil remediation agent for the heavy metal contaminated soil is prepared from the following components in parts by weight: 20-40 parts of plant straw, 32-35 parts of peat, 12-14 parts of light burned dolomite, 3-4 parts of ammonium bicarbonate, 7-13 parts of citric acid, 5-7 parts of trace elements, 5-10 parts of chitin, 16-24 parts of tourmaline, 4-8 parts of chitosan, 60-70 parts of humic acid and 3-8 parts of an activating agent. According to the soil remediation agent for the soil polluted by the heavy metal and the preparation method thereof, a large amount of biomass raw materials are used as base materials to prepare the remediation agent, the pollution is low, the soil fertility can be effectively improved, meanwhile, the soil nitrite and the heavy metal can be removed highly, the soil activity is improved, the soil is quickly purified and remedied, the preparation method is simple, the raw materials are easy to obtain, and the soil remediation agent is suitable for large-scale popularization in rural areas.
Description
Technical Field
The invention relates to the technical field of soil remediation agents, in particular to a soil remediation agent for heavy metal contaminated soil and a preparation method thereof.
Background
At present, the fertility level of cultivated soil in China is low, and the physical and chemical properties of the soil are poor, so that the improvement of low-yield soil has important significance for realizing balanced yield increase of agriculture and accelerating modern production of agriculture; on the other hand, in the old production areas of agricultural products such as fruits, vegetables and the like, the accumulation of nitrite, heavy metals and a large amount of high-toxicity and high-residue pesticides in soil is difficult to completely eliminate in a short time, which not only affects the crop yield, but also brings about potential safety hazards.
The soil cultivated all year round often deposits a large amount of soil nitrite and heavy metals, so how to rapidly purify the nitrite and the heavy metals in the soil is a problem which needs to be solved urgently.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a soil remediation agent for heavy metal contaminated soil and a preparation method thereof, and solves the problems in the background art.
The invention provides the following technical scheme: a soil remediation agent for heavy metal contaminated soil is prepared from the following components in parts by weight: 20-40 parts of plant straw, 32-35 parts of peat, 12-14 parts of light burned dolomite, 3-4 parts of ammonium bicarbonate, 7-13 parts of citric acid, 5-7 parts of trace elements, 5-10 parts of chitin, 16-24 parts of tourmaline, 4-8 parts of chitosan, 60-70 parts of humic acid and 3-8 parts of an activating agent.
Preferably, the composition is prepared from the following components in parts by weight: 20 parts of plant straw, 32 parts of peat, 12 parts of light-burned dolomite, 3 parts of ammonium bicarbonate, 7 parts of citric acid, 5 parts of trace elements, 5 parts of chitin, 16 parts of tourmaline, 4 parts of chitosan, 60 parts of humic acid and 3 parts of an activating agent.
Preferably, the composition is prepared from the following components in parts by weight: 40 parts of plant straw, 35 parts of peat, 14 parts of light-burned dolomite, 4 parts of ammonium bicarbonate, 13 parts of citric acid, 7 parts of trace elements, 10 parts of chitin, 24 parts of tourmaline, 8 parts of chitosan, 70 parts of humic acid and 8 parts of an activating agent.
Preferably, the composition is prepared from the following components in parts by weight: 30 parts of plant straw, 33 parts of peat, 13 parts of light-burned dolomite, 3 parts of ammonium bicarbonate, 10 parts of citric acid, 6 parts of trace elements, 10 parts of chitin, 20 parts of tourmaline, 6 parts of chitosan, 65 parts of humic acid and 5 parts of an activating agent.
Preferably, the composition is prepared from the following components in parts by weight: 33 parts of plant straw, 33 parts of peat, 14 parts of light-burned dolomite, 3 parts of ammonium bicarbonate, 12 parts of citric acid, 6 parts of trace elements, 9 parts of chitin, 22 parts of tourmaline, 5 parts of chitosan, 60 parts of humic acid and 7 parts of an activating agent.
Preferably, the plant straw is straw of corn, wheat, soybean and the like.
Preferably, the activator is sulfuric acid at a concentration of 60%.
A preparation method of a soil remediation agent for heavy metal contaminated soil comprises the following steps:
the soil repairing agent is obtained by uniformly mixing the raw materials according to the parts by weight and with the humidity range of 40-60%.
By adopting the technical scheme, the invention has the beneficial effects that:
according to the soil remediation agent for the soil polluted by the heavy metal and the preparation method thereof, a large amount of biomass raw materials are used as base materials to prepare the remediation agent, the pollution is low, the soil fertility can be effectively improved, meanwhile, the soil nitrite and the heavy metal can be removed highly, the soil activity is improved, the soil is quickly purified and remedied, the preparation method is simple, the raw materials are easy to obtain, and the soil remediation agent is suitable for large-scale popularization in rural areas.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to specific examples.
A soil remediation agent for heavy metal contaminated soil is prepared from the following components in parts by weight: 33 parts of plant straw, 33 parts of peat, 14 parts of light-burned dolomite, 3 parts of ammonium bicarbonate, 12 parts of citric acid, 6 parts of trace elements, 9 parts of chitin, 22 parts of tourmaline, 5 parts of chitosan, 60 parts of humic acid and 7 parts of an activating agent.
A preparation method of a soil remediation agent for heavy metal contaminated soil comprises the following steps:
the soil repairing agent is obtained by uniformly mixing the raw materials according to the parts by weight and with the humidity range of 40-60%.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The soil remediation agent for the heavy metal contaminated soil is characterized by comprising the following components in parts by weight: the composition is prepared from the following components in parts by weight: 20-40 parts of plant straw, 32-35 parts of peat, 12-14 parts of light burned dolomite, 3-4 parts of ammonium bicarbonate, 7-13 parts of citric acid, 5-7 parts of trace elements, 5-10 parts of chitin, 16-24 parts of tourmaline, 4-8 parts of chitosan, 60-70 parts of humic acid and 3-8 parts of an activating agent.
2. The agent for soil remediation of heavy metal-contaminated soil according to claim 1, wherein: the composition is prepared from the following components in parts by weight: 20 parts of plant straw, 32 parts of peat, 12 parts of light-burned dolomite, 3 parts of ammonium bicarbonate, 7 parts of citric acid, 5 parts of trace elements, 5 parts of chitin, 16 parts of tourmaline, 4 parts of chitosan, 60 parts of humic acid and 3 parts of an activating agent.
3. The agent for soil remediation of heavy metal-contaminated soil according to claim 1, wherein: the composition is prepared from the following components in parts by weight: 40 parts of plant straw, 35 parts of peat, 14 parts of light-burned dolomite, 4 parts of ammonium bicarbonate, 13 parts of citric acid, 7 parts of trace elements, 10 parts of chitin, 24 parts of tourmaline, 8 parts of chitosan, 70 parts of humic acid and 8 parts of an activating agent.
4. The agent for soil remediation of heavy metal-contaminated soil according to claim 1, wherein: the composition is prepared from the following components in parts by weight: 30 parts of plant straw, 33 parts of peat, 13 parts of light-burned dolomite, 3 parts of ammonium bicarbonate, 10 parts of citric acid, 6 parts of trace elements, 10 parts of chitin, 20 parts of tourmaline, 6 parts of chitosan, 65 parts of humic acid and 5 parts of an activating agent.
5. The agent for soil remediation of heavy metal-contaminated soil according to claim 1, wherein: the composition is prepared from the following components in parts by weight: 33 parts of plant straw, 33 parts of peat, 14 parts of light-burned dolomite, 3 parts of ammonium bicarbonate, 12 parts of citric acid, 6 parts of trace elements, 9 parts of chitin, 22 parts of tourmaline, 5 parts of chitosan, 60 parts of humic acid and 7 parts of an activating agent.
6. The agent for soil remediation of heavy metal-contaminated soil according to claim 1, wherein: the plant straw is corn, wheat, soybean and other straw.
7. The agent for soil remediation of heavy metal-contaminated soil according to claim 1, wherein: the activating agent is sulfuric acid with the concentration of 60%.
8. A preparation method of a soil remediation agent for heavy metal contaminated soil is characterized by comprising the following steps: the preparation method comprises the following steps:
the soil repairing agent is obtained by uniformly mixing the raw materials according to the parts by weight and with the humidity range of 40-60%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010584654.9A CN111575017A (en) | 2020-06-24 | 2020-06-24 | Soil remediation agent for heavy metal contaminated soil and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010584654.9A CN111575017A (en) | 2020-06-24 | 2020-06-24 | Soil remediation agent for heavy metal contaminated soil and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111575017A true CN111575017A (en) | 2020-08-25 |
Family
ID=72114680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010584654.9A Pending CN111575017A (en) | 2020-06-24 | 2020-06-24 | Soil remediation agent for heavy metal contaminated soil and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111575017A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112266294A (en) * | 2020-10-28 | 2021-01-26 | 武汉市秀谷科技有限公司 | Organic matter farmland improver |
-
2020
- 2020-06-24 CN CN202010584654.9A patent/CN111575017A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112266294A (en) * | 2020-10-28 | 2021-01-26 | 武汉市秀谷科技有限公司 | Organic matter farmland improver |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200825 |
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| WD01 | Invention patent application deemed withdrawn after publication |