CN110846044A - Efficient soil remediation agent and preparation method thereof - Google Patents
Efficient soil remediation agent and preparation method thereof Download PDFInfo
- Publication number
- CN110846044A CN110846044A CN201911165465.1A CN201911165465A CN110846044A CN 110846044 A CN110846044 A CN 110846044A CN 201911165465 A CN201911165465 A CN 201911165465A CN 110846044 A CN110846044 A CN 110846044A
- Authority
- CN
- China
- Prior art keywords
- parts
- soil remediation
- remediation agent
- compound
- ammonium sulfate
- 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
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
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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)
- Organic Chemistry (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)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides an efficient soil remediation agent and a preparation method thereof, wherein the efficient soil remediation agent is prepared from the following raw materials in parts by mass: trimercapto-s-triazine: 20-30 parts of; compound ammonium sulfate salt: 8-15 parts of; dipotassium hydrogen phosphate: 5-10; water: 45-67 parts of; the preparation method comprises the following steps: (1) taking trimercapto-s-triazine, compound ammonium sulfate and dipotassium hydrogen phosphate according to the mass parts, uniformly mixing, and preparing a compound powdery solid mixture; (2) dissolving the compound powdery solid mixture in the water with the mixture ratio, uniformly stirring, standing and filtering to obtain the compound powdery solid mixture. The invention can generate oxidation-reduction reaction with high-valence heavy metal ions in soil, so that the heavy metal ions are easy to chelate; the chelating agent can carry out chelating reaction with different heavy metal ions in soil, and has high reaction speed and good chelating effect; and simultaneously, the fertilizer is also a good potassium fertilizer and a good nitrogen fertilizer.
Description
Technical Field
The invention relates to the field of metal chelating agents, in particular to an efficient soil remediation agent and a preparation method thereof.
Background
Soil remediation refers to transferring, absorbing, degrading and converting pollutants in soil to reduce the concentration of the pollutants to an acceptable level or converting toxic and harmful pollutants into harmless substances by physical, chemical and biological methods, soil is originally a natural accommodation place and a purification treatment place of various wastes, soil receives the pollutants, does not indicate that the soil is polluted, and only when various pollutants accommodated in the soil are excessive and influence and exceed the self-cleaning capacity of the soil, the harmful effects on hygiene and epidemiology are generated, the soil is indicated to be polluted.
The land polluted by heavy metal in China reaches 2000 million hectares, the cultivated land in China is polluted by nearly 1/5 in different degrees, the polluted soil can cause the yield reduction of crops, wherein the seriously polluted land exceeds 70 million hectares, which can cause the pollutant in agricultural products to exceed the standard and further harm the human health, and the land of 13 million hectares is forced to be abandoned due to the exceeding of the heavy metal content. Soil is an important material foundation for production activities of human society and is an indispensable natural resource difficult to regenerate, so that an efficient and stable soil remediation agent is urgently needed at present.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-efficiency soil remediation agent with high reaction speed, good chelating effect, safety and environmental protection and a preparation method thereof, and the specific scheme is as follows:
the invention relates to an efficient soil remediation agent and a preparation method thereof, which is characterized by comprising the following raw materials in parts by mass: trimercapto-s-triazine: 20-30 parts of; compound ammonium sulfate salt: 8-15 parts of; dipotassium hydrogen phosphate: 5-10; water: 45-67 parts of; the preparation method comprises the following steps: (1) taking trimercapto-s-triazine, compound ammonium sulfate and dipotassium hydrogen phosphate according to the mass parts, uniformly mixing, and preparing a compound powdery solid mixture; (2) dissolving the compound powdery solid mixture in the water with the mixture ratio, uniformly stirring at the temperature of 30-60 ℃, keeping the stirring speed at 200-.
In the technical scheme of the high-efficiency soil remediation agent and the preparation method thereof, the further preferred technical scheme is characterized in that:
1. the material consists of the following raw materials in parts by mass: trimercapto-s-triazine 20, composite ammonium sulfate salt 8, dipotassium hydrogen phosphate 5 and water 67;
2. the material consists of the following raw materials in parts by mass: 25 parts of trimercapto-s-triazine, 10 parts of composite ammonium sulfate salt, 8 parts of dipotassium hydrogen phosphate and 57 parts of water;
3. the material consists of the following raw materials in parts by mass: 30 parts of trimercapto-s-triazine, 15 parts of composite ammonium sulfate salt, 10 parts of dipotassium hydrogen phosphate and 67 parts of water;
4. the compound ammonium sulfate salt is one or more of ammonium sulfate, ammonium sulfite and ammonium persulfate;
5. the water is deionized water;
6. the temperature in the step (2) is 40 degrees, and the stirring speed is 400 r/min.
Compared with the prior art, the invention has the beneficial effects that: the use effect is good and stable; the heavy metal ions in high valence state in the soil can be subjected to oxidation-reduction reaction, so that the heavy metal ions are easy to chelate; the chelating agent can carry out chelating reaction with different heavy metal ions in soil, and has high reaction speed and good chelating effect; and simultaneously, the fertilizer is also a good potassium fertilizer and a good nitrogen fertilizer.
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.
Embodiment 1, an efficient soil remediation agent and a preparation method thereof, which comprises the following raw materials in parts by mass: trimercapto-s-triazine: 20-30 parts of; compound ammonium sulfate salt: 8-15 parts of; dipotassium hydrogen phosphate: 5-10; water: 45-67 parts of; the preparation method comprises the following steps: (1) taking trimercapto-s-triazine, compound ammonium sulfate and dipotassium hydrogen phosphate according to the mass parts, uniformly mixing, and preparing a compound powdery solid mixture; (2) dissolving the compound powdery solid mixture in the water with the mixture ratio, uniformly stirring, standing and filtering to obtain the compound powdery solid mixture. The invention relates to a chemical agent which is compounded with a plurality of heavy metal chelating agents according to the characteristics of heavy metal ions in soil; the trimercapto-s-triazine is a compound containing crystal water obtained by crystallization after cyanuric chloride reacts with sodium hydrosulfide and sodium hydroxide.
Example 2, the high efficiency soil remediation agent of example 1 and the method of preparation thereof: the material consists of the following raw materials in parts by mass: trimercapto-s-triazine 20, composite ammonium sulfate salt 8, dipotassium hydrogen phosphate 5 and water 67.
Example 3, the high efficiency soil remediation agent of example 1 or 2 and the method of preparation thereof: the material consists of the following raw materials in parts by mass: 25 parts of trimercapto-s-triazine, 10 parts of composite ammonium sulfate salt, 8 parts of dipotassium hydrogen phosphate and 57 parts of water.
Example 4, the high efficiency soil remediation agent of any one of examples 1-3, and the method of making the same, further comprising: the material consists of the following raw materials in parts by mass: 30 parts of trimercapto-s-triazine, 15 parts of composite ammonium sulfate salt, 10 parts of dipotassium hydrogen phosphate and 67 parts of water.
Example 5, the high efficiency soil remediation agent of any one of examples 1-4, and the method of making the same, wherein the method comprises: the compound ammonium sulfate salt is one or more of ammonium sulfate, ammonium sulfite and ammonium persulfate.
Example 6, the high efficiency soil remediation agent of any one of examples 1-5, and the method of making the same, further comprising: the water is deionized water.
Example 7, the high efficiency soil remediation agent of any one of examples 1-6, wherein the method of preparation comprises: the temperature in the step (2) is 40 degrees, and the stirring speed is 400 r/min.
Example 8, the high efficiency soil remediation agent of any one of examples 1-7, or a method of preparation thereof, wherein the method further comprises: uniformly mixing 200g of trimercapto-s-triazine, 30g of ammonium sulfate, 50g of ammonium sulfite and 50g of dipotassium phosphate to prepare a powdery solid mixture; and (3) adding the powdery solid mixture obtained in the last step into 670g of deionized water, and stirring for 2 hours at the temperature of 30 ℃ and the stirring speed of 200r/min to obtain the soil remediation agent.
Example 9, the high efficiency soil remediation agent of any one of examples 1-8, or a method of making the same, wherein the method comprises: 250g of trimercapto-s-triazine, 50g of ammonium sulfate, 50g of ammonium sulfite and 80g of dipotassium phosphate are uniformly mixed to prepare a powdery solid mixture; and adding the powdery solid mixture obtained in the last step into 570g of deionized water, and stirring for 2 hours at the temperature of 30 ℃ and the stirring speed of 200r/min to obtain the soil remediation agent.
Example 10, the high efficiency soil remediation agent of any one of examples 1-9, and the method of making the same, wherein the method comprises: uniformly mixing 300g of trimercapto-s-triazine, 150g of ammonium persulfate and 100g of dipotassium hydrogen phosphate to prepare a powdery solid mixture; and adding the powdery solid mixture obtained in the last step into 450g of deionized water, and stirring for 2 hours at the temperature of 40 ℃ and the stirring speed of 600r/min to obtain the soil remediation agent.
Example 11, examples 8 to 10 were tested using soil contaminated with heavy metals in a certain area as an experimental object, and the soil conditioner was added in an amount of 0.1% by mass of the soil, each group of the soil conditioner was mixed with water in an amount of 25% by mass of the soil, and then added to the soil, and stirred for 30 minutes until the soil conditioner and the soil sufficiently reacted, and then the leaching concentrations of the heavy metal ions were measured as follows:
the method can be used for chelating different heavy metal ions in the soil, and is short in reaction time, good in removal effect, convenient to operate, safe and environment-friendly.
The above description is only for the preferred embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept thereof within the scope of the present invention.
Claims (7)
1. An efficient soil remediation agent, which is characterized in that: the material consists of the following raw materials in parts by mass:
trimercapto-s-triazine: 20-30 parts of; compound ammonium sulfate salt: 8-15 parts of;
dipotassium hydrogen phosphate: 5-10; water: 45-67 parts of;
the preparation method comprises the following steps:
(1) taking trimercapto-s-triazine, compound ammonium sulfate and dipotassium hydrogen phosphate according to the mass parts, uniformly mixing, and preparing a compound powdery solid mixture;
(2) dissolving the compound powdery solid mixture in the step (1) in the water with the mixture ratio, uniformly stirring at the temperature of 30-60 ℃, keeping the stirring speed at 200-600r/min, and standing and filtering to obtain the compound powdery solid mixture.
2. The efficient soil remediation agent as claimed in claim 1, wherein the agent is prepared from the following raw materials in parts by mass: trimercapto-s-triazine 20, composite ammonium sulfate salt 8, dipotassium hydrogen phosphate salt 5 and water 67.
3. The efficient soil remediation agent of claim 1, wherein the soil remediation agent is prepared by the steps of: the material consists of the following raw materials in parts by mass: 25 parts of trimercapto-s-triazine, 10 parts of composite ammonium sulfate salt, 8 parts of dipotassium hydrogen phosphate and 57 parts of water.
4. The efficient soil remediation agent of claim 1, wherein the soil remediation agent is prepared by the steps of: the material consists of the following raw materials in parts by mass: 30 parts of trimercapto-s-triazine, 15 parts of composite ammonium sulfate salt, 10 parts of dipotassium hydrogen phosphate and 67 parts of water.
5. The high efficiency soil and the preparation method thereof according to claim 1, wherein: the compound ammonium sulfate salt is one or more of ammonium sulfate, ammonium sulfite and ammonium persulfate.
6. The efficient soil remediation agent of claim 1, wherein the soil remediation agent is prepared by the steps of: the water is deionized water.
7. The efficient soil remediation agent of claim 1, wherein the soil remediation agent is prepared by the steps of: the temperature in the step (2) is 40 degrees, and the stirring speed is 400 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165465.1A CN110846044A (en) | 2019-11-25 | 2019-11-25 | Efficient soil remediation agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911165465.1A CN110846044A (en) | 2019-11-25 | 2019-11-25 | Efficient soil remediation agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110846044A true CN110846044A (en) | 2020-02-28 |
Family
ID=69604383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911165465.1A Pending CN110846044A (en) | 2019-11-25 | 2019-11-25 | Efficient soil remediation agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110846044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359136A (en) * | 2020-04-03 | 2020-07-03 | 连云港新江环保材料有限公司 | Dioxin detoxification chelating agent for fly ash and preparation method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531159A (en) * | 2014-12-09 | 2015-04-22 | 成都新朝阳作物科学有限公司 | Soil repairing agent and preparation method thereof |
| CN105363773A (en) * | 2015-12-08 | 2016-03-02 | 湖南康盟环保科技有限公司 | Heavy metal fixing agent and in-situ repair method for heavy metal contaminated soil |
| CN107512975A (en) * | 2017-08-16 | 2017-12-26 | *** | Heavy-metal contaminated soil conditioner |
| CN108637003A (en) * | 2018-04-28 | 2018-10-12 | 重庆美天环保工程有限公司 | A kind of regulation method based on 20 meters or less backfill pollutions of chromium |
| CN108865168A (en) * | 2018-08-24 | 2018-11-23 | 广州市环境保护工程设计院有限公司 | A kind of heavy-metal contaminated soil renovation agent and preparation method thereof |
| CN109126724A (en) * | 2018-09-17 | 2019-01-04 | 山东大学 | A kind of water stablizes the preparation method and application of triazine radical metal-organic framework material |
| CN109365506A (en) * | 2018-08-24 | 2019-02-22 | 湖南永清环保研究院有限责任公司 | A kind of heavy metal deactivator and its application suitable for neutral and alkali cadmium pollution soil |
-
2019
- 2019-11-25 CN CN201911165465.1A patent/CN110846044A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104531159A (en) * | 2014-12-09 | 2015-04-22 | 成都新朝阳作物科学有限公司 | Soil repairing agent and preparation method thereof |
| CN105363773A (en) * | 2015-12-08 | 2016-03-02 | 湖南康盟环保科技有限公司 | Heavy metal fixing agent and in-situ repair method for heavy metal contaminated soil |
| CN107512975A (en) * | 2017-08-16 | 2017-12-26 | *** | Heavy-metal contaminated soil conditioner |
| CN108637003A (en) * | 2018-04-28 | 2018-10-12 | 重庆美天环保工程有限公司 | A kind of regulation method based on 20 meters or less backfill pollutions of chromium |
| CN108865168A (en) * | 2018-08-24 | 2018-11-23 | 广州市环境保护工程设计院有限公司 | A kind of heavy-metal contaminated soil renovation agent and preparation method thereof |
| CN109365506A (en) * | 2018-08-24 | 2019-02-22 | 湖南永清环保研究院有限责任公司 | A kind of heavy metal deactivator and its application suitable for neutral and alkali cadmium pollution soil |
| CN109126724A (en) * | 2018-09-17 | 2019-01-04 | 山东大学 | A kind of water stablizes the preparation method and application of triazine radical metal-organic framework material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359136A (en) * | 2020-04-03 | 2020-07-03 | 连云港新江环保材料有限公司 | Dioxin detoxification chelating agent for fly ash and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103351020B (en) | A kind of production method of basic copper chloride | |
| CN103073166A (en) | Method for simultaneously stabilizing heavy metals and deeply dewatering municipal sludge for municipal sludge | |
| EP3064286A1 (en) | Insolubilizing material for specific hazardous substance and method for insolubilizing specific hazardous substance with same | |
| CN111167830A (en) | Comprehensive treatment and utilization process of secondary aluminum ash | |
| CA2971078C (en) | Process for preparing a sulphur-containing soil improver | |
| CN106833669A (en) | A kind of stable soil heavy metal association complex | |
| CN109609134B (en) | Stable curing agent for arsenic-polluted soil and slag and preparation method thereof | |
| CN111265810A (en) | Efficient fly ash chelating agent and preparation method thereof | |
| CN110372061A (en) | A kind of composite water treatment medicament and preparation method thereof for industrial waste acid processing | |
| CN105253986A (en) | Denitrogenation agent | |
| CN101822973A (en) | Preparation method of modified hydroxyethylcellulose adsorbing material for adsorbing TNT (trinitrotoluene) | |
| CN111592887B (en) | Composite heavy metal stabilizing agent composition for heavy metal lead and cadmium polluted acid soil and preparation method thereof | |
| CN112029507A (en) | Farmland arsenic-polluted soil remediation material and preparation method thereof | |
| CN110846044A (en) | Efficient soil remediation agent and preparation method thereof | |
| CN107118820B (en) | Coal dearsenification method | |
| CN109126689A (en) | A kind of modified montmorillonite used preparation method and applications | |
| CN111773606A (en) | Novel efficient fly ash chelating agent and preparation method thereof | |
| JP2013126648A (en) | Method for separating and extracting metal from soil contaminated with metal compound, and method for cleaning contaminated material such as soil contaminated with metal compound | |
| JP2000301101A (en) | Treatment method of refuse incineration fly ash and acidic gas removing agent for refuse incineration exhaust gas | |
| CN112972975A (en) | Heavy metal chelating agent and preparation method thereof | |
| CN113856130A (en) | Fly ash chelating agent and preparation method thereof | |
| CN114632283A (en) | Efficient fly ash chelating agent and preparation method thereof | |
| CN104138884B (en) | The insolubilizing agent of heavy metal and the insoluble method of heavy metal | |
| JP3415892B2 (en) | Detoxification of fly ash | |
| JPH0679254A (en) | Treating method to make fly ash harmless |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200228 |