CN109913226A - A kind of soil-repairing agent and preparation method thereof and restorative procedure - Google Patents
A kind of soil-repairing agent and preparation method thereof and restorative procedure Download PDFInfo
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Abstract
The present invention relates to land environment protection fields, disclose a kind of soil-repairing agent and preparation method thereof and restorative procedure, soil-repairing agent of the invention is made by vermiculite, diatomite, chitosan, xanthan gum, plant ash, corn stalk powder, rape straw and soybean stalk powder as raw material, soil-repairing agent preparation method provided by the invention is simply, conveniently, it is easily prepared and low in cost；In the soil-repairing agent, it is easy to adsorb poisonous and harmful substance in soil, there is efficient repairing performance to soil；In addition, chitosan has good bactericidal performance, the growth of harmful bacteria in soil can be effectively inhibited；Restorative procedure corresponding with the soil-repairing agent is easily operated, and repair time is short, and remediation efficiency is high；In conclusion soil-repairing agent and restorative procedure of the invention, can effectively administer contaminated soil, and there is efficient regulation effect.
Description
Technical field
The present invention relates to land environment protection field, specifically a kind of soil-repairing agent and preparation method thereof and reparation side
Method.
Background technique
With China's industrialization, the rapid development of urbanization process and scientific and technological level, China arable land increasingly subtracts
Few, soil contamination problem is increasingly serious.Factory violation discharge, agricultural pesticide abuse, daily life waste pollutant with
Meaning discarding etc., is to cause one of principal element of soil pollution, and it is dirty to not only result in heavy metal in soil, pesticide, solid
The cumulative rises for contaminating the poisonous and harmful substances such as object, inhibit the growth of Soil Microorganism, impoverishing the soil also can further lead to
It crosses food chain to be passed, and threatens to the entire ecosystem.
Soil itself has certain self-purification capacity, but as the enrichment of poisonous and harmful substance is cumulative, toxic in soil to have
Evil substance can be more than the self-purification capacity of its own, make structure, property, composition of soil etc. that a degree of variation occur, in turn
Soil is damaged；Furthermore the poisonous and harmful substance in soil can also spread entire biosphere with the propagation of food chain, and
It is absorbed by the mankind, is enriched in mankind's body indirectly, the life and health of the mankind is caused to seriously threaten
China generates considerable farmland waste, such as corn stover, rice husk, wheat as traditional large agricultural country every year
Stalk, rape stalk etc., but stacking or on-site incineration on the spot are taken for stalk at present, it is dirty not only to generate serious environment
Dye problem also will cause the waste and loss of biomass energy, while generate to social life, agricultural production and ecological environment tight
High puzzlement is a kind of to have multiduty reproducible biology money rich in nitrogen, phosphorus, potassium, calcium, magnesium and organic matter etc. in stalk
Source.In recent years, the popularization and application with pyrolytic technique in China, biological carbon become a kind of research hotspot, and rapidly develop extensive
It applies in agromelioration and soil remediation.
Vermiculite is a kind of clay mineral similar with montmorillonite, is the silicate of layer structure.Generally by biotite through heat
Liquid alteration or weathering are formed.Vermiculite can be used as construction material, adsorbent, fire-retardant insulating material, mechanical lubrication agent, soil conditioner
Etc., it is widely used.
Diatomite is a kind of siliceous rock, is a kind of biogenic siliceous sedimentary rock, it is mainly by the something lost of ancient times diatom
The bones of the body are formed, and kieselguhr adsorption performance is strong, bulk density is light, and fineness is uniform, and pH value neutrality is nontoxic, and mixing uniformity is good.Diatomite can
As concentrated fertilizer, promote crop growth, improvement soil etc. effect.
Chitosan is that the chitin being widely present by nature is obtained by deacetylation, and chemical name is poly- grape
Osamine (1-4) -2- amino-B-D glucose, chitosan have chelating suction-operated to many substances, amino in molecule and
It can be formed with the adjacent hydroxyl of amino and many metal ions (such as Hg2+, Ni2+, Cu2+, pb2+, CA2+, Ag+) stable
Chelate, for administering heavy metal wastewater thereby, purification tap water and separating metal ions etc. in hydrometallurgy.
Xanthan gum is to be fermented by carbohydrate through Xanthomonas campestris, the more pools of extracellular microorganism of generation.Since its macromolecular is special
Different structure and colloid property, and there are multiple functions, it can be used as emulsifier, stabilizer, gelling thickener, size, film molding
Agent etc. is widely used in each field.
Summary of the invention
The purpose of the present invention is to provide a kind of soil-repairing agent and preparation method thereof and restorative procedures.
The present invention adopts the following technical scheme:
A kind of soil-repairing agent is made of following raw material: 10-20 parts of vermiculite, 15-20 parts of diatomite, and chitosan
5-10 parts, 10-15 parts of xanthan gum, 20-30 parts of plant ash, 25-30 parts of corn stalk powder, 20-30 parts of rape straw, big beanstalk
20-30 parts of stalk powder.
Further, a kind of soil-repairing agent is made of following raw material: 11-19 parts of vermiculite, diatomite 16-19
Part, 6-9 parts of chitosan, 11-14 parts of xanthan gum, 21-29 parts of plant ash, 26-29 parts of corn stalk powder, rape straw 21-29
Part, 21-29 parts of soybean stalk powder.
Further, a kind of soil-repairing agent is made of following raw material: 15 parts of vermiculite, 17 parts of diatomite, shell is poly-
7 parts, 13 parts of xanthan gum, 25 parts of plant ash, 28 parts of corn stalk powder, 25 parts of rape straw, 25 parts of soybean stalk powder of sugar.
After corn stalk powder in above-mentioned technical proposal is the preparation method comprises the following steps: corn stover is dried, crushed using pulverizer,
Sieving, the corn stalk powder of obtained 10-20 mesh.
After rape straw in above-mentioned technical proposal is the preparation method comprises the following steps: rape stalk is dried, crushed using pulverizer,
Sieving, the rape straw of obtained 10-20 mesh.
Soybean stalk powder, preparation method thereof in above-mentioned technical proposal are as follows: after drying soybean stalk, crushed using pulverizer,
Sieving, the soybean stalk powder of obtained 10-20 mesh.
Above-mentioned soil-repairing agent the preparation method comprises the following steps:
(1) vermiculite, diatomite, chitosan, xanthan gum are mixed, after mixing evenly, obtains mixture 1；
(2) corn stalk powder, rape straw, soybean stalk powder are mixed, after mixing evenly, obtains mixture 2；
(3) plant ash is mixed with mixture 1, mixture 2, after mixing evenly, obtains the soil-repairing agent；
The present invention also provides a kind of restorative procedures of soil-repairing agent, comprising the following steps:
A, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than
3cm；
B, the contaminated soil in above-mentioned soil-repairing agent and step A is uniformly mixed in the ratio of 1:5-1:20；
C, it stands and repairs 1-15 days.
The invention has the benefit that a kind of soil-repairing agent provided by the invention and preparation method thereof and restorative procedure,
The soil-repairing agent preparation method is simply, conveniently, easily prepared and low in cost；In the soil-repairing agent, it is easy to adsorb
Poisonous and harmful substance in soil has efficient repairing performance to soil；In addition, chitosan has good bactericidal
Can, the growth of harmful bacteria in soil can be effectively inhibited；Restorative procedure corresponding with the soil-repairing agent is easily operated, repairs
Time is short, and remediation efficiency is high；In conclusion soil-repairing agent and restorative procedure of the invention, it can be effectively to contaminated soil
Earth is administered, and has efficient regulation effect.
Detailed description of the invention
Fig. 1 is the flow diagram of the restorative procedure of soil-repairing agent of the invention.
Specific embodiment
Mode combined with specific embodiments below does further explaination to the present invention, but does not therefore limit the present invention to
In the embodiment described range.In the following examples, the experimental methods for specific conditions are not specified, according to conventional methods and conditions, or
It is selected according to product manual, reagents or instruments used without specified manufacturer, is that can be obtained by commercially available purchase
Conventional products.
Embodiment 1:
A kind of soil-repairing agent is made of following raw material: 10 parts of vermiculite, 15 parts of diatomite, 5 parts of chitosan, yellow
10 parts of virgin rubber, 20 parts of plant ash, 25 parts of corn stalk powder, 20 parts of rape straw, 20 parts of soybean stalk powder.
Soil-repairing agent the preparation method comprises the following steps:
1, it after doing corn stover, rape stalk, soybean stalk sunning, is pulverized and sieved with pulverizer, respectively obtains 10-20
Purpose corn stalk powder, rape straw and soybean stalk powder, for use；
2,10 parts of vermiculites, 15 parts of diatomite, 5 parts of chitosans, 10 parts of xanthan gum are mixed, obtains mixture after mixing evenly
1；
3, by 25 parts of corn stalk powders, 20 parts of rape straws, 20 parts of soybean stalk powder mixing are mixed after mixing evenly
Close object 2；
4,20 parts of plant ash are mixed with mixture 1, mixture 2, stirs evenly, obtains soil-repairing agent.
The restorative procedure step of the soil-repairing agent are as follows:
A, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than
3cm；
B, the contaminated soil in soil-repairing agent described in claim 1-3 and step A is mixed in the ratio of 1:20 equal
It is even；
C, it stands and repairs 10 days.
By the way that the soil for repairing front and back is compared, the cupric of the soil after reparation, chromium, lead, zinc, arsenic, mercury, phenols,
The contaminated soil remediation efficiency of the poisonous and harmful substances such as nitrobenzene meets " soil environment quality construction use up to 90% or more
Ground soil pollution risk management and control standard (tentative) " (GB36600-2018) related request.
Embodiment 2:
A kind of soil-repairing agent is made of following raw material: 11 parts of vermiculite, 16 parts of diatomite, 6 parts of chitosan, yellow
11 parts of virgin rubber, 21 parts of plant ash, 26 parts of corn stalk powder, 21 parts of rape straw, 21 parts of soybean stalk powder.
Soil-repairing agent the preparation method comprises the following steps:
1, it after doing corn stover, rape stalk, soybean stalk sunning, is pulverized and sieved with pulverizer, respectively obtains 10-20
Purpose corn stalk powder, rape straw and soybean stalk powder, for use；
2,11 parts of vermiculites, 16 parts of diatomite, 6 parts of chitosans, 11 parts of xanthan gum are mixed, obtains mixture after mixing evenly
1；
3, by 26 parts of corn stalk powders, 21 parts of rape straws, 21 parts of soybean stalk powder mixing are mixed after mixing evenly
Close object 2；
4,21 parts of plant ash are mixed with mixture 1, mixture 2, stirs evenly, obtains soil-repairing agent.
The restorative procedure step of the soil-repairing agent are as follows:
A, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than
3cm；
B, the contaminated soil in soil-repairing agent described in claim 1-3 and step A is mixed in the ratio of 1:18 equal
It is even；
C, it stands and repairs 11 days.
By the way that the soil for repairing front and back is compared, the cupric of the soil after reparation, chromium, lead, zinc, arsenic, mercury, phenols,
The contaminated soil remediation efficiency of the poisonous and harmful substances such as nitrobenzene meets " soil environment quality construction up to 92.5% or more
Land used soil pollution risk management and control standard (tentative) " (GB36600-2018) related request.
Embodiment 3
A kind of soil-repairing agent is made of following raw material: 12 parts of vermiculite, 17 parts of diatomite, 7 parts of chitosan, yellow
12 parts of virgin rubber, 22 parts of plant ash, 27 parts of corn stalk powder, 22 parts of rape straw, 22 parts of soybean stalk powder.
Soil-repairing agent the preparation method comprises the following steps:
1, it after doing corn stover, rape stalk, soybean stalk sunning, is pulverized and sieved with pulverizer, respectively obtains 10-20
Purpose corn stalk powder, rape straw and soybean stalk powder, for use；
2,12 parts of vermiculites, 17 parts of diatomite, 7 parts of chitosans, 12 parts of xanthan gum are mixed, obtains mixture after mixing evenly
1；
3, by 27 parts of corn stalk powders, 22 parts of rape straws, 22 parts of soybean stalk powder mixing are mixed after mixing evenly
Close object 2；
4,22 parts of plant ash are mixed with mixture 1, mixture 2, stirs evenly, obtains soil-repairing agent.
The restorative procedure step of the soil-repairing agent are as follows:
A, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than
3cm；
B, the contaminated soil in soil-repairing agent described in claim 1-3 and step A is mixed in the ratio of 1:15 equal
It is even；
C, it stands and repairs 8 days.
By the way that the soil for repairing front and back is compared, the cupric of the soil after reparation, chromium, lead, zinc, arsenic, mercury, phenols,
The contaminated soil remediation efficiency of the poisonous and harmful substances such as nitrobenzene meets " soil environment quality construction up to 93.3% or more
Land used soil pollution risk management and control standard (tentative) " (GB36600-2018) related request.
Embodiment 4:
A kind of soil-repairing agent is made of following raw material: 13 parts of vermiculite, 18 parts of diatomite, 8 parts of chitosan, yellow
13 parts of virgin rubber, 23 parts of plant ash, 28 parts of corn stalk powder, 23 parts of rape straw, 23 parts of soybean stalk powder.
Soil-repairing agent the preparation method comprises the following steps:
1, it after doing corn stover, rape stalk, soybean stalk sunning, is pulverized and sieved with pulverizer, respectively obtains 10-20
Purpose corn stalk powder, rape straw and soybean stalk powder, for use；
2,13 parts of vermiculites, 18 parts of diatomite, 8 parts of chitosans, 13 parts of xanthan gum are mixed, obtains mixture after mixing evenly
1；
3, by 28 parts of corn stalk powders, 23 parts of rape straws, 23 parts of soybean stalk powder mixing are mixed after mixing evenly
Close object 2；
4,23 parts of plant ash are mixed with mixture 1, mixture 2, stirs evenly, obtains soil-repairing agent.
The restorative procedure step of the soil-repairing agent are as follows:
A, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than
3cm；
B, the contaminated soil in soil-repairing agent described in claim 1-3 and step A is mixed in the ratio of 1:17 equal
It is even；
C, it stands and repairs 6 days.
By the way that the soil for repairing front and back is compared, the cupric of the soil after reparation, chromium, lead, zinc, arsenic, mercury, phenols,
The contaminated soil remediation efficiency of the poisonous and harmful substances such as nitrobenzene meets " soil environment quality construction use up to 93% or more
Ground soil pollution risk management and control standard (tentative) " (GB36600-2018) related request.
Embodiment 5:
A kind of soil-repairing agent is made of following raw material: 14 parts of vermiculite, 19 parts of diatomite, 9 parts of chitosan, yellow
14 parts of virgin rubber, 24 parts of plant ash, 29 parts of corn stalk powder, 24 parts of rape straw, 24 parts of soybean stalk powder.
Soil-repairing agent the preparation method comprises the following steps:
1, it after doing corn stover, rape stalk, soybean stalk sunning, is pulverized and sieved with pulverizer, respectively obtains 10-20
Purpose corn stalk powder, rape straw and soybean stalk powder, for use；
2,14 parts of vermiculites, 19 parts of diatomite, 9 parts of chitosans, 14 parts of xanthan gum are mixed, obtains mixture after mixing evenly
1；
3, by 29 parts of corn stalk powders, 24 parts of rape straws, 24 parts of soybean stalk powder mixing are mixed after mixing evenly
Close object 2；
4,24 parts of plant ash are mixed with mixture 1, mixture 2, stirs evenly, obtains soil-repairing agent.
The restorative procedure step of the soil-repairing agent are as follows:
A, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than
3cm；
B, the contaminated soil in soil-repairing agent described in claim 1-3 and step A is mixed in the ratio of 1:15 equal
It is even；
C, it stands and repairs 6 days.
By the way that the soil for repairing front and back is compared, the cupric of the soil after reparation, chromium, lead, zinc, arsenic, mercury, phenols,
The contaminated soil remediation efficiency of the poisonous and harmful substances such as nitrobenzene meets " soil environment quality construction up to 93.8% or more
Land used soil pollution risk management and control standard (tentative) " (GB36600-2018) related request.
Embodiment 6:
A kind of soil-repairing agent is made of following raw material: 15 parts of vermiculite, 20 parts of diatomite, 10 parts of chitosan, yellow
15 parts of virgin rubber, 25 parts of plant ash, 30 parts of corn stalk powder, 25 parts of rape straw, 25 parts of soybean stalk powder.
Soil-repairing agent the preparation method comprises the following steps:
1, it after doing corn stover, rape stalk, soybean stalk sunning, is pulverized and sieved with pulverizer, respectively obtains 10-20
Purpose corn stalk powder, rape straw and soybean stalk powder, for use；
2,15 parts of vermiculites, 20 parts of diatomite, 10 parts of chitosans, 15 parts of xanthan gum are mixed, is mixed after mixing evenly
Object 1；
3, by 30 parts of corn stalk powders, 25 parts of rape straws, 25 parts of soybean stalk powder mixing are mixed after mixing evenly
Close object 2；
4,25 parts of plant ash are mixed with mixture 1, mixture 2, stirs evenly, obtains soil-repairing agent.
The restorative procedure step of the soil-repairing agent are as follows:
A, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than
3cm；
B, the contaminated soil in soil-repairing agent described in claim 1-3 and step A is mixed in the ratio of 1:12 equal
It is even；
C, it stands and repairs 4 days.
By the way that the soil for repairing front and back is compared, the cupric of the soil after reparation, chromium, lead, zinc, arsenic, mercury, phenols,
The contaminated soil remediation efficiency of the poisonous and harmful substances such as nitrobenzene meets " soil environment quality construction use up to 95% or more
Ground soil pollution risk management and control standard (tentative) " (GB36600-2018) related request.
Embodiment 7:
A kind of soil-repairing agent is made of following raw material: 12 parts of vermiculite, 20 parts of diatomite, 10 parts of chitosan, yellow
12 parts of virgin rubber, 25 parts of plant ash, 30 parts of corn stalk powder, 22 parts of rape straw, 25 parts of soybean stalk powder.
Soil-repairing agent the preparation method comprises the following steps:
1, it after doing corn stover, rape stalk, soybean stalk sunning, is pulverized and sieved with pulverizer, respectively obtains 10-20
Purpose corn stalk powder, rape straw and soybean stalk powder, for use；
2,12 parts of vermiculites, 20 parts of diatomite, 10 parts of chitosans, 12 parts of xanthan gum are mixed, is mixed after mixing evenly
Object 1；
3, by 30 parts of corn stalk powders, 22 parts of rape straws, 25 parts of soybean stalk powder mixing are mixed after mixing evenly
Close object 2；
4,25 parts of plant ash are mixed with mixture 1, mixture 2, stirs evenly, obtains soil-repairing agent.
The restorative procedure step of the soil-repairing agent are as follows:
A, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than
3cm；
B, the contaminated soil in soil-repairing agent described in claim 1-3 and step A is mixed in the ratio of 1:11 equal
It is even；
C, it stands and repairs 3 days.
By the way that the soil for repairing front and back is compared, the cupric of the soil after reparation, chromium, lead, zinc, arsenic, mercury, phenols,
The contaminated soil remediation efficiency of the poisonous and harmful substances such as nitrobenzene meets " soil environment quality construction use up to 92% or more
Ground soil pollution risk management and control standard (tentative) " (GB36600-2018) related request.
Embodiment 8:
A kind of soil-repairing agent is made of following raw material: 15 parts of vermiculite, 18 parts of diatomite, 10 parts of chitosan, yellow
15 parts of virgin rubber, 22 parts of plant ash, 30 parts of corn stalk powder, 25 parts of rape straw, 25 parts of soybean stalk powder.
Soil-repairing agent the preparation method comprises the following steps:
1, it after doing corn stover, rape stalk, soybean stalk sunning, is pulverized and sieved with pulverizer, respectively obtains 10-20
Purpose corn stalk powder, rape straw and soybean stalk powder, for use；
2,15 parts of vermiculites, 18 parts of diatomite, 10 parts of chitosans, 15 parts of xanthan gum are mixed, is mixed after mixing evenly
Object 1；
3, by 30 parts of corn stalk powders, 25 parts of rape straws, 25 parts of soybean stalk powder mixing are mixed after mixing evenly
Close object 2；
4,22 parts of plant ash are mixed with mixture 1, mixture 2, stirs evenly, obtains soil-repairing agent.
The restorative procedure step of the soil-repairing agent are as follows:
A, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than
3cm；
B, the contaminated soil in soil-repairing agent described in claim 1-3 and step A is mixed in the ratio of 1:6 equal
It is even；
C, it stands and repairs 6 days.
By the way that the soil for repairing front and back is compared, the cupric of the soil after reparation, chromium, lead, zinc, arsenic, mercury, phenols,
The contaminated soil remediation efficiency of the poisonous and harmful substances such as nitrobenzene meets " soil environment quality construction up to 96.2% or more
Land used soil pollution risk management and control standard (tentative) " (GB36600-2018) related request.
Embodiment 9:
A kind of soil-repairing agent is made of following raw material: 15 parts of vermiculite, 18 parts of diatomite, 10 parts of chitosan, yellow
15 parts of virgin rubber, 22 parts of plant ash, 30 parts of corn stalk powder, 25 parts of rape straw, 25 parts of soybean stalk powder.
Soil-repairing agent the preparation method comprises the following steps:
5, it after doing corn stover, rape stalk, soybean stalk sunning, is pulverized and sieved with pulverizer, respectively obtains 10-20
Purpose corn stalk powder, rape straw and soybean stalk powder, for use；
6,15 parts of vermiculites, 18 parts of diatomite, 10 parts of chitosans, 15 parts of xanthan gum are mixed, is mixed after mixing evenly
Object 1；
7, by 30 parts of corn stalk powders, 25 parts of rape straws, 25 parts of soybean stalk powder mixing are mixed after mixing evenly
Close object 2；
8,22 parts of plant ash are mixed with mixture 1, mixture 2, stirs evenly, obtains soil-repairing agent.
The restorative procedure step of the soil-repairing agent are as follows:
D, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than
3cm；
E, the contaminated soil in soil-repairing agent described in claim 1-3 and step A is mixed in the ratio of 1:6 equal
It is even；
F, it stands and repairs 10 days.
By the way that the soil for repairing front and back is compared, the cupric of the soil after reparation, chromium, lead, zinc, arsenic, mercury, phenols,
The contaminated soil remediation efficiency of the poisonous and harmful substances such as nitrobenzene meets " soil environment quality construction up to 97.1% or more
Land used soil pollution risk management and control standard (tentative) " (GB36600-2018) related request.
A kind of soil-repairing agent provided by the invention and preparation method thereof and restorative procedure, the soil-repairing agent preparation method
Simply, conveniently, easily prepared and low in cost；In the soil-repairing agent, it is easy to adsorb poisonous and harmful substance in soil,
There is efficient repairing performance to soil；In addition, chitosan has good bactericidal performance, can effectively inhibit in soil
The growth of harmful bacteria；Restorative procedure corresponding with the soil-repairing agent is easily operated, and repair time is short, and remediation efficiency is high；It is comprehensive
Upper described, soil-repairing agent and restorative procedure of the invention can effectively administer contaminated soil, and have efficient
Regulation effect.
The present invention is not limited to above-mentioned optional embodiment, anyone can show that other are each under the inspiration of the present invention
The product of kind form.Above-mentioned specific embodiment should not be understood the limitation of pairs of protection scope of the present invention, protection of the invention
Range should be subject to be defined in claims, and specification can be used for interpreting the claims.
Claims (8)
1. a kind of soil-repairing agent, which is characterized in that the soil-repairing agent is made of following raw material: vermiculite 10-20
Part, 15-20 parts of diatomite, 5-10 parts of chitosan, 10-15 parts of xanthan gum, 20-30 parts of plant ash, 25-30 parts of corn stalk powder,
20-30 parts of rape straw, 20-30 parts of soybean stalk powder.
2. soil-repairing agent according to claim 1, which is characterized in that the soil-repairing agent is by following raw material
It is made: 11-19 parts of vermiculite, 16-19 parts of diatomite, 6-9 parts of chitosan, 11-14 parts of xanthan gum, 21-29 parts of plant ash, corn stalk
26-29 parts of stalk powder, 21-29 parts of rape straw, 21-29 parts of soybean stalk powder.
3. soil-repairing agent according to claim 1, which is characterized in that the soil-repairing agent is by following raw material
It is made: 15 parts of vermiculite, 17 parts of diatomite, 7 parts of chitosan, 13 parts of xanthan gum, 25 parts of plant ash, 28 parts of corn stalk powder, rape
25 parts of straw powder, 25 parts of soybean stalk powder.
4. soil-repairing agent according to claim 1 to 3, which is characterized in that the preparation of the corn stalk powder
Method are as follows: it after drying corn stover, is crushed, is sieved using pulverizer, the corn stalk powder of obtained 10-20 mesh.
5. soil-repairing agent according to claim 1 to 3, which is characterized in that the preparation of the rape straw
Method are as follows: it after drying rape stalk, is crushed, is sieved using pulverizer, the rape straw of obtained 10-20 mesh.
6. soil-repairing agent according to claim 1 to 3, which is characterized in that the preparation of the soybean stalk powder
Method are as follows: it after drying soybean stalk, is crushed, is sieved using pulverizer, the soybean stalk powder of obtained 10-20 mesh.
7. the preparation method of soil-repairing agent according to claim 1 to 3, which is characterized in that including following step
It is rapid:
(1) vermiculite, diatomite, chitosan, xanthan gum are mixed, after mixing evenly, obtains mixture 1；
(2) corn stalk powder, rape straw, soybean stalk powder are mixed, after mixing evenly, obtains mixture 2；
(3) plant ash is mixed with mixture 1, mixture 2, after mixing evenly, obtains the soil-repairing agent.
8. soil-repairing agent according to claim 1 to 3 carries out the restorative procedure of soil remediation, feature exists
In: the following steps are included:
A, contaminated soil to be repaired is collected, is crushed after being cleaned, the broken diameter of contaminated soil is not more than 3cm；
B, the contaminated soil in above-mentioned soil-repairing agent and step A is uniformly mixed in the ratio of 1:5-1:20；
C, it stands and repairs 1-15 days.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822497A (en) * | 2020-07-30 | 2020-10-27 | 广东佳德环保科技有限公司 | Remediation device system and method for soil organic matter and heavy metal pollution |
| CN112552923A (en) * | 2020-11-23 | 2021-03-26 | 贵州欧瑞欣合环保股份有限公司 | Soil repairing agent and repairing method |
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| CN111822497B (en) * | 2020-07-30 | 2024-02-06 | 广东佳德环保科技有限公司 | Repairing device system and method for soil organic matter and heavy metal pollution |
| CN112552923A (en) * | 2020-11-23 | 2021-03-26 | 贵州欧瑞欣合环保股份有限公司 | Soil repairing agent and repairing method |
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