CN108998047A - A kind of salinized soil modifying agent and preparation method thereof - Google Patents
A kind of salinized soil modifying agent and preparation method thereof Download PDFInfo
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- CN108998047A CN108998047A CN201810939090.9A CN201810939090A CN108998047A CN 108998047 A CN108998047 A CN 108998047A CN 201810939090 A CN201810939090 A CN 201810939090A CN 108998047 A CN108998047 A CN 108998047A
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- 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
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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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- 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
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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Abstract
The invention discloses a kind of salinized soil modifying agents, including below according to the raw material of parts by weight: 14-30 parts of medical stone, 15-32 parts of modified alta-mud, 1-10 parts of coal gangue powder, 3-12 parts of peanut shell, dry 1-5 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, 5-20 parts of nitrogen-phosphorus-potassium compound fertilizer, 0.1-2 parts of vinegar.The invention also discloses the preparation methods of the salinized soil modifying agent.Salinized soil modifying agent prepared by the present invention has good improved effect to deicing salt contaminated soil, pass through the mutual cooperation of modified alta-mud and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder, it can be effectively reduced the pH value and salinity of soil, effectively increase the improved effect to salinized soil, simple process simultaneously, has a vast market foreground.
Description
Technical field
The present invention relates to technical field of soil remediation, specifically a kind of salinized soil modifying agent and preparation method thereof.
Background technique
Soil refers to one layer of loose substance of earth surface, by various particulate minerals, organic substance, moisture, sky
The composition such as gas, microorganism, can provide required living condition for the growth of plant.In order to reduce the influence of snowfall road pavement,
It is generally necessary to be removed the snow using deicing salt, wherein chloride salt deicing salt is due to cheap, effect is good etc. and answers extensively
For road snow melt.But serious pollution can be caused to soil containing villaumite Snow Agent, cause the salinization of soil serious, meanwhile,
When containing villaumite Snow Agent is being used, the nitrite in deicing salt can enter underground with the snow-broth of thawing, and then to underground water
It causes seriously to pollute, seriously affects the body of the mankind.By shoveling to walk to carry out subsequent processing contaminated soil in time, although can be with
Mitigate soil contamination grade, but operation element amount is larger, poor operability.Therefore, a kind of soil conditioner is researched and developed for being melted
Avenge agent pollution and caused by salinized soil, the problem of becoming urgent need to resolve.
Summary of the invention
The purpose of the present invention is to provide a kind of salinized soil modifying agents and preparation method thereof, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the invention provides the following technical scheme:
A kind of salinized soil modifying agent, including below according to the raw material of parts by weight: 14-30 parts of medical stone, bentone
15-32 parts native, 1-10 parts of coal gangue powder, 3-12 parts of peanut shell, dry 1-5 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, 5-20 parts of nitrogen-phosphorus-potassium compound fertilizer,
0.1-2 parts of vinegar.
As a further solution of the present invention: including below according to the raw material of parts by weight: 18-24 parts of medical stone, modification are swollen
Moisten 22-30 parts of soil, 2-5 parts of coal gangue powder, 6-9 parts of peanut shell, dry 2-4.5 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, nitrogen-phosphorus-potassium compound fertilizer 10-18
Part, 0.5-1.8 parts of vinegar.
As further scheme of the invention: including below according to the raw material of parts by weight: 20 parts of medical stone, bentone
25 parts of soil, 4 parts of coal gangue powder, 8 parts of peanut shell, dry 3 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, 12 parts of nitrogen-phosphorus-potassium compound fertilizer, 1 part of vinegar.
As further scheme of the invention: the method for preparing modified bentonite is to be by bentonite and concentration
The sulfuric acid solution of 1mol/L is added into reactor according to the ratio that volume ratio is 1:10 and is uniformly mixed, permanent under conditions of 60 DEG C
Temperature stirring 20-50min, then carries out centrifugal treating by supercentrifuge, is dried in vacuo after removing supernatant liquor, vacuum
545 DEG C are warming up to the heating rate of 10 DEG C/min under atmosphere of inert gases after drying, 1h is kept the temperature, is cooled to room temperature, is ground
To 400 mesh, modified alta-mud is obtained.
As further scheme of the invention: the mass fraction of N P and K is respectively 18% in the nitrogen-phosphorus-potassium compound fertilizer
N, 18%P2O5, 18%K2O。
As further scheme of the invention: the granularity of the medical stone is 10-200 mesh.
As further scheme of the invention: the granularity of the coal gangue powder is 0.1-1cm.
The preparation method of the salinized soil modifying agent, steps are as follows:
1) medical stone is weighed according to parts by weight, sequentially adds coal gangue powder, peanut shell and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder while stirring
End continues mechanical stirring 40-300min, is cured at 15-35 DEG C, obtain mixture A；
2) modified alta-mud is weighed according to parts by weight, isometric water is added and carries out mechanical stirring, N P and K is then added
Compound fertilizer and vinegar continue mechanical stirring 50-120min, stand 40min after the completion of stirring, mixture B is made；
3) mixture A obtained in step 1) is uniformly mixed with mixture B obtained in step 2), ageing 10 days, i.e.,
?.
As further scheme of the invention: in step 1), the time of the curing is 10-25 days.
The salinized soil modifying agent is preparing the purposes in soil conditioner.
Compared with prior art, the beneficial effects of the present invention are:
Salinized soil modifying agent prepared by the present invention has good improved effect to deicing salt contaminated soil, passes through
The mutual cooperation of modified alta-mud and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder, can be effectively reduced the pH value and salinity of soil, effectively increases
To the improved effect of salinized soil, while simple process, it has a vast market foreground.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
Embodiment 1
A kind of salinized soil modifying agent, including below according to the raw material of parts by weight: 14 parts of medical stone, modified alta-mud 15
Part, 1 part of coal gangue powder, 3 parts of peanut shell, dry 1 part of Taxiphyllum taxirameum (Mitt.) Fleisch powder, 5 parts of nitrogen-phosphorus-potassium compound fertilizer, 0.1 part of vinegar.Wherein, institute
The mass fraction for stating N P and K in nitrogen-phosphorus-potassium compound fertilizer is respectively 18%N, 18%P2O5, 18%K2O；The granularity of the medical stone
For 80 mesh；The granularity of the coal gangue powder is 0.7cm.
The method for preparing modified bentonite be by bentonite and concentration be 1mol/L sulfuric acid solution according to volume ratio
For 1:10 ratio be added into reactor be uniformly mixed, under conditions of 60 DEG C constant temperature stir 35min, then by high speed from
Scheming carry out centrifugal treating, remove supernatant liquor after be dried in vacuo, after vacuum drying under atmosphere of inert gases with 10 DEG C/
The heating rate of min is warming up to 545 DEG C, keeps the temperature 1h, is cooled to room temperature, is ground to 400 mesh, obtains modified alta-mud.
In the present embodiment, the preparation method of the salinized soil modifying agent, steps are as follows:
1) medical stone is weighed according to parts by weight, sequentially adds coal gangue powder, peanut shell and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder while stirring
Mechanical stirring 200min is continued at end, and curing 18 days is carried out at 30 DEG C, obtains mixture A；
2) modified alta-mud is weighed according to parts by weight, isometric water is added and carries out mechanical stirring, N P and K is then added
Compound fertilizer and vinegar continue mechanical stirring 100min, stand 40min after the completion of stirring, mixture B is made；
3) mixture A obtained in step 1) is uniformly mixed with mixture B obtained in step 2), ageing 10 days, i.e.,
?.
Embodiment 2
A kind of salinized soil modifying agent, including below according to the raw material of parts by weight: 30 parts of medical stone, modified alta-mud 32
Part, 10 parts of coal gangue powder, 12 parts of peanut shell, dry 5 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, 20 parts of nitrogen-phosphorus-potassium compound fertilizer, 2 parts of vinegar.Wherein, institute
The mass fraction for stating N P and K in nitrogen-phosphorus-potassium compound fertilizer is respectively 18%N, 18%P2O5, 18%K2O；The granularity of the medical stone
For 80 mesh；The granularity of the coal gangue powder is 0.7cm.
The method for preparing modified bentonite be by bentonite and concentration be 1mol/L sulfuric acid solution according to volume ratio
For 1:10 ratio be added into reactor be uniformly mixed, under conditions of 60 DEG C constant temperature stir 35min, then by high speed from
Scheming carry out centrifugal treating, remove supernatant liquor after be dried in vacuo, after vacuum drying under atmosphere of inert gases with 10 DEG C/
The heating rate of min is warming up to 545 DEG C, keeps the temperature 1h, is cooled to room temperature, is ground to 400 mesh, obtains modified alta-mud.
In the present embodiment, the preparation method of the salinized soil modifying agent, steps are as follows:
1) medical stone is weighed according to parts by weight, sequentially adds coal gangue powder, peanut shell and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder while stirring
Mechanical stirring 200min is continued at end, and curing 18 days is carried out at 30 DEG C, obtains mixture A；
2) modified alta-mud is weighed according to parts by weight, isometric water is added and carries out mechanical stirring, N P and K is then added
Compound fertilizer and vinegar continue mechanical stirring 100min, stand 40min after the completion of stirring, mixture B is made；
3) mixture A obtained in step 1) is uniformly mixed with mixture B obtained in step 2), ageing 10 days, i.e.,
?.
Embodiment 3
A kind of salinized soil modifying agent, including below according to the raw material of parts by weight: 22 parts of medical stone, modified alta-mud
23.5 parts, 5.5 parts of coal gangue powder, 7.5 parts of peanut shell, dry 3 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, 12.5 parts of nitrogen-phosphorus-potassium compound fertilizer, vinegar
0.95 part.Wherein, the mass fraction of N P and K is respectively 18%N, 18%P in the nitrogen-phosphorus-potassium compound fertilizer2O5, 18%K2O；Institute
The granularity for stating medical stone is 80 mesh；The granularity of the coal gangue powder is 0.7cm.
The method for preparing modified bentonite be by bentonite and concentration be 1mol/L sulfuric acid solution according to volume ratio
For 1:10 ratio be added into reactor be uniformly mixed, under conditions of 60 DEG C constant temperature stir 35min, then by high speed from
Scheming carry out centrifugal treating, remove supernatant liquor after be dried in vacuo, after vacuum drying under atmosphere of inert gases with 10 DEG C/
The heating rate of min is warming up to 545 DEG C, keeps the temperature 1h, is cooled to room temperature, is ground to 400 mesh, obtains modified alta-mud.
In the present embodiment, the preparation method of the salinized soil modifying agent, steps are as follows:
1) medical stone is weighed according to parts by weight, sequentially adds coal gangue powder, peanut shell and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder while stirring
Mechanical stirring 200min is continued at end, and curing 18 days is carried out at 30 DEG C, obtains mixture A；
2) modified alta-mud is weighed according to parts by weight, isometric water is added and carries out mechanical stirring, N P and K is then added
Compound fertilizer and vinegar continue mechanical stirring 100min, stand 40min after the completion of stirring, mixture B is made；
3) mixture A obtained in step 1) is uniformly mixed with mixture B obtained in step 2), ageing 10 days, i.e.,
?.
Embodiment 4
A kind of salinized soil modifying agent, including below according to the raw material of parts by weight: 18 parts of medical stone, modified alta-mud 22
Part, 2 parts of coal gangue powder, 6 parts of peanut shell, dry 2 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, 10 parts of nitrogen-phosphorus-potassium compound fertilizer, 0.5 part of vinegar.Wherein, institute
The mass fraction for stating N P and K in nitrogen-phosphorus-potassium compound fertilizer is respectively 18%N, 18%P2O5, 18%K2O；The granularity of the medical stone
For 80 mesh；The granularity of the coal gangue powder is 0.7cm.
The method for preparing modified bentonite be by bentonite and concentration be 1mol/L sulfuric acid solution according to volume ratio
For 1:10 ratio be added into reactor be uniformly mixed, under conditions of 60 DEG C constant temperature stir 35min, then by high speed from
Scheming carry out centrifugal treating, remove supernatant liquor after be dried in vacuo, after vacuum drying under atmosphere of inert gases with 10 DEG C/
The heating rate of min is warming up to 545 DEG C, keeps the temperature 1h, is cooled to room temperature, is ground to 400 mesh, obtains modified alta-mud.
In the present embodiment, the preparation method of the salinized soil modifying agent, steps are as follows:
1) medical stone is weighed according to parts by weight, sequentially adds coal gangue powder, peanut shell and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder while stirring
Mechanical stirring 200min is continued at end, and curing 18 days is carried out at 30 DEG C, obtains mixture A；
2) modified alta-mud is weighed according to parts by weight, isometric water is added and carries out mechanical stirring, N P and K is then added
Compound fertilizer and vinegar continue mechanical stirring 100min, stand 40min after the completion of stirring, mixture B is made；
3) mixture A obtained in step 1) is uniformly mixed with mixture B obtained in step 2), ageing 10 days, i.e.,
?.
Embodiment 5
A kind of salinized soil modifying agent, including below according to the raw material of parts by weight: 24 parts of medical stone, modified alta-mud 30
Part, 5 parts of coal gangue powder, 9 parts of peanut shell, dry 4.5 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, 18 parts of nitrogen-phosphorus-potassium compound fertilizer, 1.8 parts of vinegar.Wherein,
The mass fraction of N P and K is respectively 18%N, 18%P in the nitrogen-phosphorus-potassium compound fertilizer2O5, 18%K2O；The grain of the medical stone
Degree is 80 mesh；The granularity of the coal gangue powder is 0.7cm.
The method for preparing modified bentonite be by bentonite and concentration be 1mol/L sulfuric acid solution according to volume ratio
For 1:10 ratio be added into reactor be uniformly mixed, under conditions of 60 DEG C constant temperature stir 35min, then by high speed from
Scheming carry out centrifugal treating, remove supernatant liquor after be dried in vacuo, after vacuum drying under atmosphere of inert gases with 10 DEG C/
The heating rate of min is warming up to 545 DEG C, keeps the temperature 1h, is cooled to room temperature, is ground to 400 mesh, obtains modified alta-mud.
In the present embodiment, the preparation method of the salinized soil modifying agent, steps are as follows:
1) medical stone is weighed according to parts by weight, sequentially adds coal gangue powder, peanut shell and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder while stirring
Mechanical stirring 200min is continued at end, and curing 18 days is carried out at 30 DEG C, obtains mixture A；
2) modified alta-mud is weighed according to parts by weight, isometric water is added and carries out mechanical stirring, N P and K is then added
Compound fertilizer and vinegar continue mechanical stirring 100min, stand 40min after the completion of stirring, mixture B is made；
3) mixture A obtained in step 1) is uniformly mixed with mixture B obtained in step 2), ageing 10 days, i.e.,
?.
Embodiment 6
A kind of salinized soil modifying agent, including below according to the raw material of parts by weight: 21 parts of medical stone, modified alta-mud 26
Part, 3.5 parts of coal gangue powder, 7.5 parts of peanut shell, dry 3.25 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, 14 parts of nitrogen-phosphorus-potassium compound fertilizer, vinegar 1.15
Part.Wherein, the mass fraction of N P and K is respectively 18%N, 18%P in the nitrogen-phosphorus-potassium compound fertilizer2O5, 18%K2O；The wheat
The granularity of meal stone is 80 mesh；The granularity of the coal gangue powder is 0.7cm.
The method for preparing modified bentonite be by bentonite and concentration be 1mol/L sulfuric acid solution according to volume ratio
For 1:10 ratio be added into reactor be uniformly mixed, under conditions of 60 DEG C constant temperature stir 35min, then by high speed from
Scheming carry out centrifugal treating, remove supernatant liquor after be dried in vacuo, after vacuum drying under atmosphere of inert gases with 10 DEG C/
The heating rate of min is warming up to 545 DEG C, keeps the temperature 1h, is cooled to room temperature, is ground to 400 mesh, obtains modified alta-mud.
In the present embodiment, the preparation method of the salinized soil modifying agent, steps are as follows:
1) medical stone is weighed according to parts by weight, sequentially adds coal gangue powder, peanut shell and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder while stirring
Mechanical stirring 200min is continued at end, and curing 18 days is carried out at 30 DEG C, obtains mixture A；
2) modified alta-mud is weighed according to parts by weight, isometric water is added and carries out mechanical stirring, N P and K is then added
Compound fertilizer and vinegar continue mechanical stirring 100min, stand 40min after the completion of stirring, mixture B is made；
3) mixture A obtained in step 1) is uniformly mixed with mixture B obtained in step 2), ageing 10 days, i.e.,
?.
Embodiment 7
A kind of salinized soil modifying agent, including below according to the raw material of parts by weight: 20 parts of medical stone, modified alta-mud 25
Part, 4 parts of coal gangue powder, 8 parts of peanut shell, dry 3 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, 12 parts of nitrogen-phosphorus-potassium compound fertilizer, 1 part of vinegar.Wherein, described
The mass fraction of N P and K is respectively 18%N, 18%P in nitrogen-phosphorus-potassium compound fertilizer2O5, 18%K2O；The granularity of the medical stone is
80 mesh；The granularity of the coal gangue powder is 0.7cm.
The method for preparing modified bentonite be by bentonite and concentration be 1mol/L sulfuric acid solution according to volume ratio
For 1:10 ratio be added into reactor be uniformly mixed, under conditions of 60 DEG C constant temperature stir 35min, then by high speed from
Scheming carry out centrifugal treating, remove supernatant liquor after be dried in vacuo, after vacuum drying under atmosphere of inert gases with 10 DEG C/
The heating rate of min is warming up to 545 DEG C, keeps the temperature 1h, is cooled to room temperature, is ground to 400 mesh, obtains modified alta-mud.
In the present embodiment, the preparation method of the salinized soil modifying agent, steps are as follows:
1) medical stone is weighed according to parts by weight, sequentially adds coal gangue powder, peanut shell and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder while stirring
Mechanical stirring 200min is continued at end, and curing 18 days is carried out at 30 DEG C, obtains mixture A；
2) modified alta-mud is weighed according to parts by weight, isometric water is added and carries out mechanical stirring, N P and K is then added
Compound fertilizer and vinegar continue mechanical stirring 100min, stand 40min after the completion of stirring, mixture B is made；
3) mixture A obtained in step 1) is uniformly mixed with mixture B obtained in step 2), ageing 10 days, i.e.,
?.
Comparative example 1
Compared with Example 7, modified alta-mud is free of, other are same as Example 7.
Comparative example 2
Compared with Example 7, without dry Taxiphyllum taxirameum (Mitt.) Fleisch powder, other are same as Example 7.
Comparative example 3
Compared with Example 7, without modified alta-mud and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder, other are same as Example 7.
Improvement of the salinized soil modifying agent of the preparation of test example 7 and comparative example 1-3 to deicing salt contaminated soil
Effect, test method are by deicing salt contaminated soil to be improved (measure pH value is 8.8, soil salt percentage is 0.16%)
40 parts are uniformly divided into, 40 parts of soil are then randomly divided into A, B, C, D and amount to 4 groups, every group is 10 parts, by embodiment 7, comparison
Salinized soil modifying agent prepared by example 1, comparative example 2 and comparative example 3 respectively correspond with every part of A group, B group, C group and D group to
Improved deicing salt contaminated soil mixing, wherein the soil conditioner and deicing salt contaminated soil to be improved are according to weight
Than the ratio mixing for 1:8, every progress primary distilled water irrigation in 6 days, soil pH value and basicity are detected after 15 days,
Every group of testing result is averaged, and test result is as shown in table 1.
It, can from can be seen that the present invention in the data comparison of embodiment 7 and comparative example 1 by addition modified alta-mud
The pH value and salinity of soil is effectively reduced, and then reclamation result can be effectively improved；From the number of embodiment 7 and comparative example 2
According to can be seen that the present invention in comparison by dry Taxiphyllum taxirameum (Mitt.) Fleisch powder, soil pH value and salinity, dry scale leaf can be effectively reduced
Moss powder can adsorb the sodium ion in soil colloid from deicing salt, and the sodium ion of absorption, which can follow, to be seeped under irrigation water or through arranging
Water channel is drained, and then can be effectively reduced the basicity of soil, reduces harm of the nitrite to human body in deicing salt.In addition,
Pass through modified alta-mud and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder from can be seen that the present invention in the data comparison of embodiment 7 and comparative example 1-3
Mutual cooperation, the pH value and salinity of soil can further be effectively reduced, effectively increase to salinized soil improvement effect
Fruit.
1 soil conditioner test result of table
As can be seen that salinized soil modifying agent prepared by the present invention is imitated with good soil improvement from result above
Fruit can be effectively reduced the pH value and salinity of soil, effectively by the mutual cooperation of modified alta-mud and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder
The improved effect to salinized soil, while simple process are improved, is had a vast market foreground.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be without departing from the purpose of the present invention
Various changes can be made.There is no necessity and possibility to exhaust all the enbodiments.And it thus amplifies out apparent
Variation or variation be still in the protection scope of this invention.
Claims (10)
1. a kind of salinized soil modifying agent, which is characterized in that including below according to the raw material of parts by weight: 14-30 parts of medical stone,
15-32 parts of modified alta-mud, 1-10 parts of coal gangue powder, 3-12 parts of peanut shell, dry 1-5 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, N P and K are compound
It is 5-20 parts fertile, 0.1-2 parts of vinegar.
2. salinized soil modifying agent according to claim 1, which is characterized in that including below according to the original of parts by weight
Material: 18-24 parts of medical stone, 22-30 parts of modified alta-mud, 2-5 parts of coal gangue powder, 6-9 parts of peanut shell, dry Taxiphyllum taxirameum (Mitt.) Fleisch powder 2-
4.5 parts, 10-18 parts of nitrogen-phosphorus-potassium compound fertilizer, 0.5-1.8 parts of vinegar.
3. salinized soil modifying agent according to claim 2, which is characterized in that including below according to the original of parts by weight
Material: 20 parts of medical stone, 25 parts of modified alta-mud, 4 parts of coal gangue powder, 8 parts of peanut shell, dry 3 parts of Taxiphyllum taxirameum (Mitt.) Fleisch powder, azophoska
12 parts of Hefei, 1 part of vinegar.
4. salinized soil modifying agent according to claim 1 or 2 or 3, which is characterized in that the system of the modified alta-mud
Preparation Method is that the sulfuric acid solution for being 1mol/L by bentonite and concentration is added according to the ratio that volume ratio is 1:10 into reactor
It is uniformly mixed, constant temperature stirs 20-50min under conditions of 60 DEG C, then by supercentrifuge progress centrifugal treating, in removing
It is dried in vacuo after layer clear liquid, is warming up to 545 under atmosphere of inert gases after vacuum drying with the heating rate of 10 DEG C/min
DEG C, 1h is kept the temperature, is cooled to room temperature, is ground to 400 mesh, obtains modified alta-mud.
5. salinized soil modifying agent according to claim 1, which is characterized in that N P and K in the nitrogen-phosphorus-potassium compound fertilizer
Mass fraction be respectively 18% N, 18% P2O5, 18% K2O。
6. salinized soil modifying agent according to claim 1, which is characterized in that the granularity of the medical stone is 10-200
Mesh.
7. salinized soil modifying agent according to claim 1, which is characterized in that the granularity of the coal gangue powder is 0.1-
1cm。
8. a kind of preparation method of salinized soil modifying agent as claimed in claim 1, which is characterized in that step is such as
Under:
1) medical stone is weighed according to parts by weight, sequentially adds coal gangue powder, peanut shell and dry Taxiphyllum taxirameum (Mitt.) Fleisch powder while stirring, after
Continuous mechanical stirring 40-300min, is cured at 15-35 DEG C, obtains mixture A；
2) modified alta-mud is weighed according to parts by weight, isometric water is added and carries out mechanical stirring, it is compound that N P and K is then added
Fertilizer and vinegar continue mechanical stirring 50-120min, stand 40min after the completion of stirring, mixture B is made；
3) mixture A obtained in step 1) is uniformly mixed with mixture B obtained in step 2, be aged 10 days to get.
9. the preparation method of salinized soil modifying agent according to claim 8, which is characterized in that the time of the curing
It is 10-25 days.
10. a kind of salinized soil modifying agent as claimed in claim 1 is preparing the purposes in soil conditioner.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111943776A (en) * | 2020-07-30 | 2020-11-17 | 江苏永佳现代农业科技有限公司 | Preparation method of soil improvement fertilizer suitable for alkali-resistant crops |
| CN112250519A (en) * | 2020-10-16 | 2021-01-22 | 广东石油化工学院 | Preparation method and application of biological modified bentonite |
| CN115582045A (en) * | 2022-09-26 | 2023-01-10 | 湖北晟阳生物工程有限公司 | Saline-alkali soil conditioner, preparation method and preparation system thereof |
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| CN111943776A (en) * | 2020-07-30 | 2020-11-17 | 江苏永佳现代农业科技有限公司 | Preparation method of soil improvement fertilizer suitable for alkali-resistant crops |
| CN112250519A (en) * | 2020-10-16 | 2021-01-22 | 广东石油化工学院 | Preparation method and application of biological modified bentonite |
| CN115582045A (en) * | 2022-09-26 | 2023-01-10 | 湖北晟阳生物工程有限公司 | Saline-alkali soil conditioner, preparation method and preparation system thereof |
| CN115582045B (en) * | 2022-09-26 | 2024-05-10 | 哈尔滨尼亚农业有限公司 | Salinized soil conditioner, preparation method and preparation system thereof |
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