CN108906877A - For repairing the soil activating agent, preparation method and its application of As polluted soil - Google Patents
For repairing the soil activating agent, preparation method and its application of As polluted soil Download PDFInfo
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- CN108906877A CN108906877A CN201810893496.8A CN201810893496A CN108906877A CN 108906877 A CN108906877 A CN 108906877A CN 201810893496 A CN201810893496 A CN 201810893496A CN 108906877 A CN108906877 A CN 108906877A
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- soil
- fertilizer
- activating agent
- repairing
- soil activating
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
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Abstract
The present invention provides a kind of for repairing the soil activating agent, preparation method and its application of As polluted soil, belongs to soil pollution control and recovery technique field.Soil activating agent, for being used cooperatively with soil repairing plant, according to mass percentage, including：The PH regulator of 4-8%, the water soluble phosphorous fertilizer of 10-20%, the difficultly soluble phosphatic fertilizer of 60-80%, the silicide of 1-6% and the metal trace element of 1-6%.The preparation method of soil activating agent is that PH regulator, water soluble phosphorous fertilizer, difficultly soluble phosphatic fertilizer, silicide and metal trace element are mixed to get soil activating agent.Soil activating agent is used cooperatively with ciliate desert-grass.The soil activating agent cooperation ciliate desert-grass of the method preparation carries out using can effectively adsorb the arsenic metal in soil, ciliate desert-grass is enriched with arsenic, reduces the arsenic content in soil, repairs to the soil of arsenic pollution.
Description
Technical field
The present invention relates to soil pollution controls and recovery technique field, in particular to one kind for repairing arsenic pollution
Soil activating agent, preparation method and its application of soil.
Background technique
Relatively naturally, arsenic content is influenced by human activity than more significant in soil, including industry and mining activity, is given up
Gurry discharge etc..
In the prior art, the method for the physics of As polluted soil and chemical remediation mainly has curing/stabilizing technology, glass
Glass technology, Soil leaching/extractive technique, electric repairing technique in situ, electro reclamation-infiltration wall technology etc., these technologies
Enforcement difficulty is very big, inconvenient.
Summary of the invention
The first object of the present invention is to provide a kind of for repairing the soil activating agent of As polluted soil, repairs with soil
Multiple plant is used cooperatively, and can effectively, easily repair the soil of arsenic pollution.
The second object of the present invention is to provide a kind of for repairing the preparation side of the soil activating agent of As polluted soil
Method, preparation method is simple, easy to operate.
The third object of the present invention be to provide it is a kind of for repairing the application of the soil activating agent of As polluted soil, with
Ciliate desert-grass is used cooperatively, and can effectively, easily repair the soil of arsenic pollution.
Based on above-mentioned first purpose, the present invention adopts the following technical solutions is realized：
It is a kind of for repairing the soil activating agent of As polluted soil, for being used cooperatively with soil repairing plant, according to matter
Percentage meter is measured, including：The PH regulator of 4-8%, the water soluble phosphorous fertilizer of 10-20%, 60-80% difficultly soluble phosphatic fertilizer,
The silicide of 1-6% and the metal trace element of 1-6%.
Further, in preferred embodiments of the present invention, above-mentioned PH regulator be selected from quick lime, white lime, lime stone,
One kind of calcite in powder and dolomite dust.
Further, in preferred embodiments of the present invention, above-mentioned water soluble phosphorous fertilizer is selected from potassium dihydrogen phosphate, ammonium phosphate, again
One kind of calcium superphosphate and calcium superphosphate.
Further, in preferred embodiments of the present invention, above-mentioned difficultly soluble phosphatic fertilizer is selected from calcium and magnesium phosphorus, steel slag phosphorus and inclined phosphorus
One kind of sour calcium.
Further, in preferred embodiments of the present invention, above-mentioned silicide be selected from montmorillonite, attapulgite, diatomite and
Kaolinic one kind.
Further, in preferred embodiments of the present invention, above-mentioned microelement includes zinc fertilizer, boron fertilizer, manganese fertilizer, molydbenum fertilizer, copper
Fertilizer and iron fertilizer.
Based on above-mentioned second purpose, the present invention adopts the following technical solutions is realized：
It is a kind of above-mentioned for repairing the preparation method of the soil activating agent of As polluted soil, by PH regulator, water-soluble phosphorus
Fertilizer, difficultly soluble phosphatic fertilizer, silicide and metal trace element are mixed to get soil activating agent.
Further, in preferred embodiments of the present invention, the partial size of above-mentioned soil activating agent is 0.154-0.2mm.
Further, in preferred embodiments of the present invention, above-mentioned PH regulator, water soluble phosphorous fertilizer, difficultly soluble phosphatic fertilizer, silicon
The partial size of compound and metal trace element is 0.154-0.2mm.
Based on above-mentioned third purpose, the present invention adopts the following technical solutions is realized：
A kind of above-mentioned for repairing the application of the soil activating agent of As polluted soil, soil activating agent and ciliate desert-grass cooperate
It uses.
Compared with prior art, the soil activating for being used to repair As polluted soil that presently preferred embodiments of the present invention provides
The beneficial effect of agent includes：It is provided by water soluble phosphorous fertilizer, difficultly soluble phosphatic fertilizer and metal trace element etc. for soil repairing plant
Different nutritional ingredients increases the biomass of soil repairing plant, is occurred by the arsenic in PH regulator and As polluted soil anti-
It answers, generates precipitating, and soil is improved as a result, arsenic-adsorbing heavy metal, makes arsenic heavy metal be easy to be planted by soil remediation by silicide
Object absorbs, and is enriched with to arsenic, reduces the arsenic content in soil, to repair the soil of arsenic pollution.
The beneficial effect of the preparation method of the soil activating agent provided in an embodiment of the present invention for being used to repair As polluted soil
Including：The each component mixing of the soil activating agent of As polluted soil will be used to repair, preparation to be simple, easy to operate.
The beneficial effect packet of the application of the soil activating agent provided in an embodiment of the present invention for being used to repair As polluted soil
It includes：Soil activating agent and ciliate desert-grass are used cooperatively, ciliate desert-grass can be by the application of soil activating agent, effectively by soil
In arsenic heavy metal adsorption and absorption, arsenic is enriched with, the arsenic content in soil is reduced, repair arsenic heavy metal pollution
Soil.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer
It is recommended that condition carry out.Reagents or instruments used without specified manufacturer is the routine that can be obtained by commercially available purchase
Product.
Below to the embodiment of the present invention for repairing the soil activating agent of As polluted soil, preparation method and its answering
With being specifically described.
For repairing the soil activating agent of As polluted soil, for being used cooperatively with soil repairing plant, according to quality hundred
Score meter, including：The PH regulator of 4-8%, the water soluble phosphorous fertilizer of 10-20%, 60-80% difficultly soluble phosphatic fertilizer, 1-
6% silicide and the metal trace element of 1-6%.
Different battalion is provided for soil repairing plant by water soluble phosphorous fertilizer, difficultly soluble phosphatic fertilizer and metal trace element etc.
It forms point, increases the biomass of soil repairing plant, pass through the arsenic in PH regulator and As polluted soil and red cherry occurs, generate
Precipitating, and soil is improved as a result, arsenic-adsorbing heavy metal, makes arsenic heavy metal be easy to be inhaled by soil repairing plant by silicide
It receives, arsenic is enriched with, the arsenic content in soil is reduced, to repair the soil of arsenic pollution.
Optionally, PH regulator is selected from one kind of quick lime, white lime, lime stone, calcite in powder and dolomite dust.It adjusts
The PH of As polluted soil is saved, sulfate ion, acetate ion can be reacted with calcium ion in soil, to increase the leaching of arsenic
Concentration out improves soil texture, and arsenic is made to be easy to be absorbed by soil repairing plant.
Optionally, the PH of As polluted soil is adjusted to 8-10, the precipitating of arsenic can be conducive to.
It should be noted that：The main component of quick lime is calcium oxide, is usually the natural of calcium carbonate by main component
Rock is calcined at high temperature, is decomposed and is generated carbon dioxide and calcium oxide.White lime is calcium hydroxide；Lime stone it is main at
Dividing is calcium carbonate；The main component of calcite in powder is powdered whiting；Dolomite is carbonate mineral, predominantly ankerite
And mangandolomite.
Optionally, water soluble phosphorous fertilizer is selected from one kind of potassium dihydrogen phosphate, ammonium phosphate, double superhosphate and calcium superphosphate.It can
It is directly absorbed and utilized by plant, fertilizer efficiency is very fast, has facilitation to growth early period of soil repairing plant, makes soil remediation
It can be adsorbed after quick growth of plant and absorb more arsenic heavy metals, be conducive to the reparation of As polluted soil.
It should be noted that：The main component of potassium dihydrogen phosphate is [KH2PO4], the main component of ammonium phosphate is
[NH4H2PO4Or (NH4)2HPO4], the main component of calcium superphosphate be [Ca (H2PO4)·H2O]。
Optionally, difficultly soluble phosphatic fertilizer is selected from one kind of calcium and magnesium phosphorus, steel slag phosphorus and calcium metaphosphate.It is mainly phosphorous fertilizer
Material, fertilizer efficiency is slower, provides nutrition for the overall process of soil repairing plant growth, soil repairing plant all may be used in whole process growth
There are enough nutrient growth and adsorb and absorb arsenic heavy metal, soil repairing plant remediation efficiency is improved, soil remediation is passed through
Plant repairs the soil of arsenic pollution.
It should be noted that：The main component of calcium and magnesium phosphorus is [α-Ca3(PO4)2], the main component of steel slag phosphorus be
[Ca4PO4·CaSiO3], the main component of calcium metaphosphate be [Ca (PO3)2]。
Optionally, silicide is selected from montmorillonite, attapulgite, diatomite and kaolinic one kind.Soil knot can be improved
Structure adsorbs the heavy metal in soil, is conducive to absorption of the soil repairing plant to arsenic heavy metal in soil, is conducive to arsenic pollution
The reparation of soil.
In detail, montmorillonite is a kind of alumino-silicate, and main component is octahedra hectorite microparticle.Attapulgite is
A kind of aqueous rich magnesium silicate clay mineral having chain layer structure.Diatomite is a kind of biogenic siliceous sedimentary rock, main
Wanting chemical component is SiO2.Kaolinite is the product of feldspar He the natural alteration of other silicate minerals, is a kind of aqueous aluminium silicon
Hydrochlorate.
Optionally, microelement includes zinc fertilizer, boron fertilizer, manganese fertilizer, molydbenum fertilizer, copper fertilizer and iron fertilizer.It is provided to soil repairing plant
Microelement promotes absorption while the growth of soil repairing plant to absorb arsenic heavy metal, to improve repairing for As polluted soil
Multiple efficiency.
Optionally, the mass ratio of zinc fertilizer, boron fertilizer, manganese fertilizer, molydbenum fertilizer, copper fertilizer and iron fertilizer is 1：1：1：1：1：1.Wherein, zinc fertilizer
It is that there is zinc declarable content to provide the material that plant nutrient is its primary efficacy, optionally, zinc fertilizer is that zinc adds selenium, seven water sulfuric acid
Zinc and monohydrate zinc sulphate.Boron fertilizer is to have boron declarable content to provide the material that plant nutrient is its primary efficacy, optionally, boron
Fertilizer is borax, boric acid, boric magnesium fertilizer.Manganese fertilizer can be manganese carbonate, fertilizer containing manganese glass and Chelated Manganese.Molydbenum fertilizer can be ammonium molybdate
And sodium molybdate.Copper fertilizer is the material for having copper declarable content to provide plant nutrient as primary efficacy.Copper fertilizer can be five water sulphur
Sour copper, copper sulfate monohydrate, basic copper carbonate, copper chloride, copper oxide, cuprous oxide, ammonium silicate copper, copper sulfide, copper sintered body,
Copper Slag, chelated copper.Iron fertilizer is the fertilizer for having iron declarable content to provide plant nutrient as primary efficacy.Iron fertilizer can be nothing
Machine iron fertilizer, organic iron fertilizer and chelating iron fertilizer.
It should be noted that：Above-mentioned quick lime, white lime, lime stone, calcite in powder, dolomite dust, potassium dihydrogen phosphate,
Ammonium phosphate, double superhosphate, calcium superphosphate, calcium and magnesium phosphorus, steel slag phosphorus, calcium metaphosphate, montmorillonite, attapulgite, diatomite, height
Ridge stone, zinc fertilizer, boron fertilizer, manganese fertilizer, molydbenum fertilizer, copper fertilizer and iron fertilizer are existing material, can be bought in the market.
It is above-mentioned for repair As polluted soil soil activating agent can activating soil, arsenic heavy metal is converted to and is conducive to
The heavy metal absorbed is adsorbed, and the growth of plant can be promoted, during soil repairing plant growth, by arsenic pollution
Arsenic heavy metal adsorption in soil absorbs, and the accumulation ability of soil repairing plant is improved, to repair As polluted soil.
For repairing the preparation method of the soil activating agent of As polluted soil, by PH regulator, water soluble phosphorous fertilizer, indissoluble
Property phosphate fertilizer, silicide and metal trace element are mixed to get soil activating agent.By directly mixing these types of component, obtain
Soil activating agent be applied in the soil of arsenic pollution after, be used for planting soil rehabilitation plant, make soil repairing plant fast
During fast-growing is long, the arsenic heavy metal absorbed in As polluted soil can be adsorbed, to repair to As polluted soil.
Optionally, the partial size of soil activating agent is 0.154-0.2mm, and the partial size of soil activating agent is smaller, is conducive to soil
The absorption of rehabilitation plant is also conducive to change the Heavy Metals in As polluted soil.
Optionally, the partial size of PH regulator, water soluble phosphorous fertilizer, difficultly soluble phosphatic fertilizer, silicide and metal trace element is
0.154-0.2mm, after mixing it, the partial size of obtained soil activating agent is smaller.
Optionally, for repairing the application of the soil activating agent of As polluted soil, soil activating agent makes with ciliate desert-grass cooperation
With.Ciliate desert-grass can effectively adsorb the arsenic heavy metal absorbed in As polluted soil, and soil remediation effect is more preferable.
Embodiment 1
By 4% PH regulator, 10% water soluble phosphorous fertilizer, 80% difficultly soluble phosphatic fertilizer, 3% silicide and 3%
Metal trace element is mixed to get soil activating agent.
Embodiment 2
By 8% quick lime, 20% potassium dihydrogen phosphate, 60% calcium and magnesium phosphorus, 6% montmorillonite and 6% mass ratio
It is 1：1：1：1：1：1 zinc fertilizer, boron fertilizer, manganese fertilizer, molydbenum fertilizer, copper fertilizer and iron fertilizer is mixed to get the soil activating that partial size is 0.154mm
Agent.
Embodiment 3
It is by 4% white lime, 10% ammonium phosphate, 80% steel slag phosphorus, 1% attapulgite and 5% mass ratio
1：1：1：1：1：1 zinc fertilizer, boron fertilizer, manganese fertilizer, molydbenum fertilizer, copper fertilizer and iron fertilizer is mixed to get the soil activating agent that partial size is 0.2mm.
Embodiment 4
By 6% lime stone, 12% double superhosphate, 76% calcium metaphosphate, 5% diatomite and 1% quality
Than being 1：1：1：1：1：It is 0.154-0.2mm's that 1 zinc fertilizer, boron fertilizer, manganese fertilizer, molydbenum fertilizer, copper fertilizer and iron fertilizer, which is mixed to get partial size,
Soil activating agent.
Embodiment 5
By 6% calcite in powder, 16% calcium superphosphate, 72% calcium metaphosphate, 3% kaolinite and 3% quality
Than being 1：1：1：1：1：It is 0.154-0.2mm's that 1 zinc fertilizer, boron fertilizer, manganese fertilizer, molydbenum fertilizer, copper fertilizer and iron fertilizer, which is mixed to get partial size,
Soil activating agent.
Experimental example 1
The identical soil testing field of four pieces of areas is respectively divided, the area in every piece of experimental plot is 10 mu, a part of direct kind
Plant ciliate desert-grass, a part first plants ciliate desert-grass after application soil activating agent, such as table 1,
The cropping pattern of 1 ciliate desert-grass of table
The pre-planting arsenic content of soil is detected, the arsenic content that soil has planted the later ciliate desert-grass of ciliate desert-grass obtains table 2.
Arsenic content in 2 soil of table and ciliate desert-grass
From table 2 it can be seen that the soil activating agent cooperation Wu provided in an embodiment of the present invention for repairing As polluted soil
After centipede grass use, ciliate desert-grass can be made to have the effect of preferably being enriched with arsenic, As polluted soil can be repaired, reduce soil
In arsenic content, there is good effect to the reparation of As polluted soil.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected reality of the invention
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (10)
1. a kind of for repairing the soil activating agent of As polluted soil, which is characterized in that for making with soil repairing plant cooperation
With, according to mass percentage, including：The PH regulator of 4-8%, the water soluble phosphorous fertilizer of 10-20%, 60-80% indissoluble
The metal trace element of property phosphate fertilizer, the silicide of 1-6% and 1-6%.
2. soil activating agent according to claim 1, which is characterized in that the PH regulator be selected from quick lime, white lime,
At least one of lime stone, calcite in powder and dolomite dust.
3. soil activating agent according to claim 1, which is characterized in that the water soluble phosphorous fertilizer be selected from potassium dihydrogen phosphate,
At least one of ammonium phosphate, double superhosphate and calcium superphosphate.
4. soil activating agent according to claim 1, which is characterized in that the difficultly soluble phosphatic fertilizer is selected from calcium and magnesium phosphorus, steel slag
At least one of phosphorus and calcium metaphosphate.
5. soil activating agent according to claim 1, which is characterized in that the silicide be selected from montmorillonite, attapulgite,
Diatomite and kaolinic at least one.
6. soil activating agent according to claim 1, which is characterized in that the microelement includes zinc fertilizer, boron fertilizer, manganese
Fertilizer, molydbenum fertilizer, copper fertilizer and iron fertilizer.
7. it is a kind of described in any one of claims 1-6 for repairing the preparation method of the soil activating agent of As polluted soil,
It is characterized in that, the PH regulator, the water soluble phosphorous fertilizer, the difficultly soluble phosphatic fertilizer, the silicide and the metal is micro-
Secondary element is mixed to get soil activating agent.
8. preparation method according to claim 7, which is characterized in that the partial size of the soil activating agent is 0.154-
0.2mm。
9. preparation method according to claim 7, which is characterized in that the PH regulator, the water soluble phosphorous fertilizer, described
The partial size of difficultly soluble phosphatic fertilizer, the silicide and the metal trace element is 0.154-0.2mm.
10. it is a kind of described in any one of claims 1-6 for repairing the application of the soil activating agent of As polluted soil, it is special
Sign is that the soil activating agent is used cooperatively with ciliate desert-grass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810893496.8A CN108906877A (en) | 2018-08-07 | 2018-08-07 | For repairing the soil activating agent, preparation method and its application of As polluted soil |
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| CN201810893496.8A CN108906877A (en) | 2018-08-07 | 2018-08-07 | For repairing the soil activating agent, preparation method and its application of As polluted soil |
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Cited By (3)
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| CN110918638A (en) * | 2020-01-17 | 2020-03-27 | 湖南超富集生态科技有限公司 | Method for activating and repairing arsenic-polluted soil by using ciliate desert-grass |
| CN113141984A (en) * | 2021-03-03 | 2021-07-23 | 南京大学 | Method for realizing soil remediation and safe production of swamp cabbage by combining ciliate desert-grass and foliage calcium spraying |
| CN114350376A (en) * | 2022-01-21 | 2022-04-15 | 乐山师范学院 | Heavy metal contaminated soil remediation agent and preparation method and application thereof |
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| CN113141984A (en) * | 2021-03-03 | 2021-07-23 | 南京大学 | Method for realizing soil remediation and safe production of swamp cabbage by combining ciliate desert-grass and foliage calcium spraying |
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Application publication date: 20181130 |