CN106085451A - A kind of dibenzanthracene contaminated soil remediation agent and preparation method thereof - Google Patents
A kind of dibenzanthracene contaminated soil remediation agent and preparation method thereof Download PDFInfo
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- CN106085451A CN106085451A CN201610446915.4A CN201610446915A CN106085451A CN 106085451 A CN106085451 A CN 106085451A CN 201610446915 A CN201610446915 A CN 201610446915A CN 106085451 A CN106085451 A CN 106085451A
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Abstract
The invention discloses a kind of dibenzanthracene contaminated soil remediation agent and preparation method thereof, described dibenzanthracene contaminated soil remediation agent, according to the primary raw material of weight portion be: 35 45 parts of nano modification kieselguhr, 15 25 parts of humus, Tissuemat E 15 25 parts, Oleum Ricini 10 20 parts, polyacrylamide 15 20 parts, towel gourd 10 15 parts, tween 10 15 parts, boron nitride 26 parts.The present invention can make to be reached GB15618 2008 standard by the physical and chemical index of dibenzanthracene severe contamination soil；Process technique is simple, and dosage is few, and treatment effect is good, stable performance, and contaminated soil restoration degree is high, can significantly reduce the cost that dibenzanthracene contaminated soil processes, and has good economic benefit and social benefit widely.
Description
Technical field
The present invention relates to a kind of technical field of soil remediation, specifically a kind of dibenzanthracene contaminated soil remediation agent and system thereof
Preparation Method.
Background technology
Along with coal, oil are widely used in commercial production, transportation and life, polycyclic aromatic hydrocarbon (PAHs) becomes
The organic pollution jointly paid close attention to for countries in the world；Polycyclic aromatic hydrocarbon refer to compound such as naphthalene that two or more phenyl ring connects together,
Anthracenes etc., are the Hydrocarbon that a class inertia is stronger, owing to this stronger inertia causes them more stable, can deposit widely
It is in environment, water and soil earth.2000 multiple compounds having been done carcinogenic test at present, be found to have carcinogenesis has 500
Remaining kind, wherein more than 200 germline arene；In these carcinogens, polycyclic aromatic hydrocarbon is a most important class.Polycyclic aromatic hydrocarbon is at ring
Though being trace in border, but distribution is very wide, and people can be absorbed by big gas and water, food etc., is important of human cancer
Cause.Polycyclic aromatic hydrocarbon is not readily dissolved in water, is easily attached on solid particle, so in general, the great majority in air, soil are many
PAH is in ADSORPTION STATE；Polyaromatic hydrocarbon pollutant distribution is very wide, has substantially had been found that PAHs in various surrounding mediums；
Because of waste air, waste water and waste dumps, water, air and soil are produced and directly pollute by polycyclic aromatic hydrocarbon.Absorption is in smoke particles
Polycyclic aromatic hydrocarbon be transmitted to around and farther place with air-flow, enter water body and soil with depositing dust, rainfall and snowfall again, and soil and ground
Face polycyclic aromatic hydrocarbon is again introduced into air by airborne dust, by breathing and food chain entrance animal body generation murder by poisoning；Dibenzanthracene is made
For a kind of 4 ring polycyclic aromatic hydrocarbons, it is considered to be likely to carcinogenic material by IARC, therefore dibenzanthracene is polluted
The improvement of soil and reparation, be the most urgent task.
Summary of the invention
It is an object of the invention to provide a kind of dibenzanthracene contaminated soil remediation agent and preparation method thereof, above-mentioned to solve
The problem proposed in background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of dibenzanthracene contaminated soil remediation agent, according to the primary raw material of weight portion be: nano modification kieselguhr 35-45
Part, humus 15-25 part, Tissuemat E 15-25 part, Oleum Ricini 10-20 part, polyacrylamide 15-20 part, towel gourd 10-15
Part, tween 10-15 part, boron nitride 2-6 part；The diatomaceous preparation method of described nano modification: first by glycine betaine, poly-second two
Alcohol, triethanolamine, catechol mix horizontal high voltage stir process of going forward side by side and obtain mixture, then by styrene, silicon with polyphenylene oxide
Diatomaceous earth and mixture carry out melting under vacuo and i.e. obtain nano modification kieselguhr.
According to the further scheme of the present invention: described dibenzanthracene contaminated soil remediation agent, the most former according to weight portion
Material is: nano modification kieselguhr 37-43 part, humus 18-22 part, Tissuemat E 19-21 part, Oleum Ricini 14-16 part, polypropylene
Amide 17-18 part, towel gourd 11-14 part, tween 11-14 part, boron nitride 2-6 part；The diatomaceous preparation side of described nano modification
Method: first glycine betaine, Polyethylene Glycol, triethanolamine, catechol are mixed with polyphenylene oxide horizontal high voltage stir process of going forward side by side and obtains
Mixture, then carries out melting under vacuo with mixture i.e. obtain nano modification kieselguhr by styrene, kieselguhr.
According to the further scheme of the present invention: described dibenzanthracene contaminated soil remediation agent, the most former according to weight portion
Material is: 40 parts of nano modification kieselguhr, 20 parts of humus, Tissuemat E 20 parts, Oleum Ricini 15 parts, polyacrylamide 18 part, thread
13 parts of melon capsule, tween 13 parts, boron nitride 4 parts；The diatomaceous preparation method of described nano modification: first by glycine betaine, poly-second two
Alcohol, triethanolamine, catechol mix horizontal high voltage stir process of going forward side by side and obtain mixture, then by styrene, silicon with polyphenylene oxide
Diatomaceous earth and mixture carry out melting under vacuo and i.e. obtain nano modification kieselguhr.
According to the further scheme of the present invention: the particle diameter of described Tissuemat E is 250 μm.
According to the further scheme of the present invention: the particle diameter of described boron nitride is 600 μm.
The preparation method of described dibenzanthracene contaminated soil remediation agent, concretely comprises the following steps:
(1) first, add water in nano modification kieselguhr and humus and obtain mixture slurry so that it is moisture content is 10%-
20%, it is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Tissuemat E, Oleum Ricini, polyacrylamide, towel gourd, obtain after piling up 8h
To mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 35 DEG C-40 DEG C, and the time is that 30-40 divides
Clock, obtains mixtures II；
(4) then, mixtures II and tween, boron nitride are carried out constant temperature stirring；At a temperature of being subsequently placed at 8 DEG C, low temperature dries
Dry, obtain mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains dibenzanthracene contaminated soil remediation agent.
According to the further scheme of the present invention: in step (1), the moisture content of mixture slurry is 15%.
According to the further scheme of the present invention: in step (3), the temperature of microwave treatment is 38 DEG C, the time is 35 minutes.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention can make the physical and chemical index by dibenzanthracene severe contamination soil reach GB15618-2008 standard；Process
Technique is simple, and dosage is few, and treatment effect is good, stable performance, and contaminated soil restoration degree is high, can significantly reduce
The cost that dibenzanthracene contaminated soil processes, has good economic benefit and social benefit widely.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment 1
A kind of dibenzanthracene contaminated soil remediation agent, according to the primary raw material of weight portion be: 35 parts of nano modification kieselguhr,
15 parts of humus, Tissuemat E 15 parts, Oleum Ricini 10 parts, polyacrylamide 15 parts, towel gourd 10 parts, tween 10 parts, boron nitride 2
Part；The diatomaceous preparation method of described nano modification: first by glycine betaine, Polyethylene Glycol, triethanolamine, catechol and polyphenyl
Ether mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then styrene, kieselguhr is melted under vacuo with mixture
Refining i.e. obtains nano modification kieselguhr；The particle diameter of described Tissuemat E is 250 μm；The particle diameter of described boron nitride is 600 μm.
The preparation method of described dibenzanthracene contaminated soil remediation agent, concretely comprises the following steps:
(1) first, add water in nano modification kieselguhr and humus and obtain mixture slurry so that it is moisture content is 10%,
It is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Tissuemat E, Oleum Ricini, polyacrylamide, towel gourd, obtain after piling up 8h
To mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 35 DEG C, and the time is 30 minutes, is mixed
Compound II；
(4) then, mixtures II and tween, boron nitride are carried out constant temperature stirring；At a temperature of being subsequently placed at 8 DEG C, low temperature dries
Dry, obtain mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains dibenzanthracene contaminated soil remediation agent.
Embodiment 2
A kind of dibenzanthracene contaminated soil remediation agent, according to the primary raw material of weight portion be: 37 parts of nano modification kieselguhr,
18 parts of humus, Tissuemat E 19 parts, Oleum Ricini 14 parts, polyacrylamide 17 parts, towel gourd 11 parts, tween 11 parts, boron nitride 2
Part；The diatomaceous preparation method of described nano modification: first by glycine betaine, Polyethylene Glycol, triethanolamine, catechol and polyphenyl
Ether mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then styrene, kieselguhr is melted under vacuo with mixture
Refining i.e. obtains nano modification kieselguhr；The particle diameter of described Tissuemat E is 250 μm；The particle diameter of described boron nitride is 600 μm.
The preparation method of described dibenzanthracene contaminated soil remediation agent, concretely comprises the following steps:
(1) first, add water in nano modification kieselguhr and humus and obtain mixture slurry so that it is moisture content is 10%,
It is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Tissuemat E, Oleum Ricini, polyacrylamide, towel gourd, obtain after piling up 8h
To mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 35 DEG C, and the time is 30 minutes, is mixed
Compound II；
(4) then, mixtures II and tween, boron nitride are carried out constant temperature stirring；At a temperature of being subsequently placed at 8 DEG C, low temperature dries
Dry, obtain mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains dibenzanthracene contaminated soil remediation agent.
Embodiment 3
A kind of dibenzanthracene contaminated soil remediation agent, according to the primary raw material of weight portion be: 40 parts of nano modification kieselguhr,
20 parts of humus, Tissuemat E 20 parts, Oleum Ricini 15 parts, polyacrylamide 18 parts, towel gourd 13 parts, tween 13 parts, boron nitride 4
Part；The diatomaceous preparation method of described nano modification: first by glycine betaine, Polyethylene Glycol, triethanolamine, catechol and polyphenyl
Ether mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then styrene, kieselguhr is melted under vacuo with mixture
Refining i.e. obtains nano modification kieselguhr；The particle diameter of described Tissuemat E is 250 μm；The particle diameter of described boron nitride is 600 μm.
The preparation method of described dibenzanthracene contaminated soil remediation agent, concretely comprises the following steps:
(1) first, add water in nano modification kieselguhr and humus and obtain mixture slurry so that it is moisture content is 15%,
It is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Tissuemat E, Oleum Ricini, polyacrylamide, towel gourd, obtain after piling up 8h
To mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 38 DEG C, and the time is 35 minutes, is mixed
Compound II；
(4) then, mixtures II and tween, boron nitride are carried out constant temperature stirring；At a temperature of being subsequently placed at 8 DEG C, low temperature dries
Dry, obtain mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains dibenzanthracene contaminated soil remediation agent.
Embodiment 4
A kind of dibenzanthracene contaminated soil remediation agent, according to the primary raw material of weight portion be: 43 parts of nano modification kieselguhr,
22 parts of humus, Tissuemat E 21 parts, Oleum Ricini 16 parts, polyacrylamide 18 parts, towel gourd 14 parts, tween 14 parts, boron nitride 6
Part；The diatomaceous preparation method of described nano modification: first by glycine betaine, Polyethylene Glycol, triethanolamine, catechol and polyphenyl
Ether mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then styrene, kieselguhr is melted under vacuo with mixture
Refining i.e. obtains nano modification kieselguhr；The particle diameter of described Tissuemat E is 250 μm；The particle diameter of described boron nitride is 600 μm.
The preparation method of described dibenzanthracene contaminated soil remediation agent, concretely comprises the following steps:
(1) first, add water in nano modification kieselguhr and humus and obtain mixture slurry so that it is moisture content is 20%,
It is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Tissuemat E, Oleum Ricini, polyacrylamide, towel gourd, obtain after piling up 8h
To mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 40 DEG C, and the time is 40 minutes, is mixed
Compound II；
(4) then, mixtures II and tween, boron nitride are carried out constant temperature stirring；At a temperature of being subsequently placed at 8 DEG C, low temperature dries
Dry, obtain mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains dibenzanthracene contaminated soil remediation agent.
Embodiment 5
A kind of dibenzanthracene contaminated soil remediation agent, according to the primary raw material of weight portion be: 45 parts of nano modification kieselguhr,
25 parts of humus, Tissuemat E 25 parts, Oleum Ricini 20 parts, polyacrylamide 20 parts, towel gourd 15 parts, tween 15 parts, boron nitride 6
Part；The diatomaceous preparation method of described nano modification: first by glycine betaine, Polyethylene Glycol, triethanolamine, catechol and polyphenyl
Ether mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then styrene, kieselguhr is melted under vacuo with mixture
Refining i.e. obtains nano modification kieselguhr；The particle diameter of described Tissuemat E is 250 μm；The particle diameter of described boron nitride is 600 μm.
The preparation method of described dibenzanthracene contaminated soil remediation agent, concretely comprises the following steps:
(1) first, add water in nano modification kieselguhr and humus and obtain mixture slurry so that it is moisture content is 10%-
20%, it is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Tissuemat E, Oleum Ricini, polyacrylamide, towel gourd, obtain after piling up 8h
To mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 35 DEG C-40 DEG C, and the time is that 30-40 divides
Clock, obtains mixtures II；
(4) then, mixtures II and tween, boron nitride are carried out constant temperature stirring；At a temperature of being subsequently placed at 8 DEG C, low temperature dries
Dry, obtain mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains dibenzanthracene contaminated soil remediation agent.
Comparative example 1
A kind of dibenzanthracene contaminated soil remediation agent, according to the primary raw material of weight portion be: 40 parts of nano modification kieselguhr,
20 parts of humus, polyacrylamide 18 parts, tween 13 parts, boron nitride 4 parts；The diatomaceous preparation method of described nano modification: first
Glycine betaine, Polyethylene Glycol, triethanolamine, catechol first mix horizontal high voltage stir process of going forward side by side with polyphenylene oxide mixed
Thing, then carries out melting under vacuo with mixture i.e. obtain nano modification kieselguhr by styrene, kieselguhr；Described boron nitride
Particle diameter be 600 μm.
The preparation method of described dibenzanthracene contaminated soil remediation agent, concretely comprises the following steps:
(1) first, add water in nano modification kieselguhr and humus and obtain mixture slurry so that it is moisture content is 15%,
It is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with polyacrylamide, after piling up 8h, obtain mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 38 DEG C, and the time is 35 minutes, is mixed
Compound II；
(4) then, mixtures II and tween, boron nitride are carried out constant temperature stirring；At a temperature of being subsequently placed at 8 DEG C, low temperature dries
Dry, obtain mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains dibenzanthracene contaminated soil remediation agent.
Comparative example 2
A kind of dibenzanthracene contaminated soil remediation agent, according to the primary raw material of weight portion be: 40 parts of kieselguhr, humus 20
Part, polyacrylamide 18 parts, boron nitride 4 parts；The particle diameter of described boron nitride is 600 μm.
The preparation method of described dibenzanthracene contaminated soil remediation agent, concretely comprises the following steps:
(1) first, add water in kieselguhr and humus and obtain mixture slurry so that it is moisture content is 15%, extrudes subsequently
Make the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with polyacrylamide, after piling up 8h, obtain mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 38 DEG C, and the time is 35 minutes, is mixed
Compound II；
(4) then, mixtures II and boron nitride are carried out constant temperature stirring；Oven drying at low temperature at a temperature of being subsequently placed at 8 DEG C, obtains
Mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains dibenzanthracene contaminated soil remediation agent.
Comparative example 3
A kind of dibenzanthracene contaminated soil remediation agent, according to the primary raw material of weight portion be: 40 parts of nano modification kieselguhr,
20 parts of humus, Tissuemat E 20 parts, Oleum Ricini 15 parts, polyacrylamide 18 parts, towel gourd 13 parts, tween 13 parts, boron nitride 4
Part；The diatomaceous preparation method of described nano modification: first by glycine betaine, Polyethylene Glycol, triethanolamine, catechol and polyphenyl
Ether mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then styrene, kieselguhr is melted under vacuo with mixture
Refining i.e. obtains nano modification kieselguhr；The particle diameter of described Tissuemat E is 250 μm；The particle diameter of described boron nitride is 600 μm.
The preparation method of described dibenzanthracene contaminated soil remediation agent, concretely comprises the following steps:
(1) first, add water in nano modification kieselguhr and humus and obtain mixture slurry so that it is moisture content is 15%,
It is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Tissuemat E, Oleum Ricini, polyacrylamide, towel gourd, obtain after piling up 8h
To mixture I；
(3) then, mixture I is carried out constant temperature stirring with tween, boron nitride；Oven drying at low temperature at a temperature of being subsequently placed at 8 DEG C,
Obtain mixtures II；
(4) last, mixtures II is carried out micro encapsulation packaging, obtains dibenzanthracene contaminated soil remediation agent.
Test experience
Excavator is utilized to excavate, by two in above-described embodiment 1-5 and comparative example 1-3 polluting soil to be repaired
After benzanthracene contaminated soil remediation agent is added on the renovation agent of surface applying 2cm thickness of contaminated soil, by polluted soil
Soil thick for top layer 20cm is mixed homogeneously by the way of turning over the renovation agent of applying, after 10 days, carries out sampling monitoring, test
Result chart 1.
As can be seen here, in the embodiment of the present invention, the dibenzanthracene contaminated soil remediation agent of preparation, has more with contrast groups example ratio
Good notable treatment effect, the present invention can make the physical and chemical index by dibenzanthracene severe contamination soil reach GB15618-2008
Standard；Process technique is simple, and dosage is few, and treatment effect is good, stable performance, and contaminated soil restoration degree is high, can have
Effect ground reduces the cost of dibenzanthracene contaminated soil process, has good economic benefit and social benefit widely.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (8)
1. a dibenzanthracene contaminated soil remediation agent, it is characterised in that according to the primary raw material of weight portion be: nano modification silicon
Diatomaceous earth 35-45 part, humus 15-25 part, Tissuemat E 15-25 part, Oleum Ricini 10-20 part, polyacrylamide 15-20 part, silk
Melon capsule 10-15 part, tween 10-15 part, boron nitride 2-6 part；The diatomaceous preparation method of described nano modification: first by Radix Betae
Alkali, Polyethylene Glycol, triethanolamine, catechol mix horizontal high voltage stir process of going forward side by side and obtain mixture with polyphenylene oxide, then will
Styrene, kieselguhr and mixture carry out melting under vacuo and i.e. obtain nano modification kieselguhr.
Dibenzanthracene contaminated soil remediation agent the most according to claim 1, it is characterised in that described dibenzanthracene Polluted Soil
Soil repair agent, according to the primary raw material of weight portion be: nano modification kieselguhr 37-43 part, humus 18-22 part, Tissuemat E
19-21 part, Oleum Ricini 14-16 part, polyacrylamide 17-18 part, towel gourd 11-14 part, tween 11-14 part, boron nitride 2-6
Part；The diatomaceous preparation method of described nano modification: first by glycine betaine, Polyethylene Glycol, triethanolamine, catechol and polyphenyl
Ether mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then styrene, kieselguhr is melted under vacuo with mixture
Refining i.e. obtains nano modification kieselguhr.
Dibenzanthracene contaminated soil remediation agent the most according to claim 1 and 2, it is characterised in that described dibenzanthracene is dirty
Dye soil-repairing agent, according to the primary raw material of weight portion be: 40 parts of nano modification kieselguhr, 20 parts of humus, Tissuemat E 20
Part, Oleum Ricini 15 parts, polyacrylamide 18 parts, towel gourd 13 parts, tween 13 parts, boron nitride 4 parts；Described nano modification kieselguhr
Preparation method: first glycine betaine, Polyethylene Glycol, triethanolamine, catechol are mixed with polyphenylene oxide go forward side by side horizontal high voltage stirring
Process obtains mixture, then styrene, kieselguhr is carried out melting under vacuo with mixture and i.e. obtains nano modification diatom
Soil.
Dibenzanthracene contaminated soil remediation agent the most according to claim 3, it is characterised in that the particle diameter of described Tissuemat E
It is 250 μm.
Dibenzanthracene contaminated soil remediation agent the most according to claim 3, it is characterised in that the particle diameter of described boron nitride is
600μm。
6. the preparation method of the dibenzanthracene contaminated soil remediation agent as described in claim 1-5 is arbitrary, it is characterised in that
Concretely comprise the following steps:
(1) first, add water in nano modification kieselguhr and humus and obtain mixture slurry so that it is moisture content is 10%-20%, with
After be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with Tissuemat E, Oleum Ricini, polyacrylamide, towel gourd, mixed after piling up 8h
Compound I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 35 DEG C-40 DEG C, and the time is 30-40 minute,
To mixtures II；
(4) then, mixtures II and tween, boron nitride are carried out constant temperature stirring；Oven drying at low temperature at a temperature of being subsequently placed at 8 DEG C,
To mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains dibenzanthracene contaminated soil remediation agent.
The preparation method of dibenzanthracene contaminated soil remediation agent the most according to claim 6, it is characterised in that step (1)
The moisture content of middle mixture slurry is 15%.
The preparation method of dibenzanthracene contaminated soil remediation agent the most according to claim 6, it is characterised in that step (3)
The temperature of middle microwave treatment is 38 DEG C, and the time is 35 minutes.
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| CN101928188A (en) * | 2009-06-19 | 2010-12-29 | 深圳市意可曼生物科技有限公司 | Slow-release fertilizer with effect of soil remediation and remediation method of soil polluted by polycyclic aromatic hydrocarbons |
| CN102389776A (en) * | 2011-10-09 | 2012-03-28 | 广东省生态环境与土壤研究所 | Metal heavy absorbent and preparation method and use thereof |
| CN203991648U (en) * | 2014-03-04 | 2014-12-10 | 张菁菁 | A kind of natural hole soil conservation fixing device of repairing for contaminated soil |
| CN105238410A (en) * | 2014-07-08 | 2016-01-13 | 上海卓地环保科技有限公司 | Soil composite repairing agent |
| CN104355824A (en) * | 2014-11-03 | 2015-02-18 | 领先生物农业股份有限公司 | Coated controlled release fertilizer and production method thereof |
| CN105642237A (en) * | 2016-02-17 | 2016-06-08 | 济南大学 | Preparation method of undecylene amido propyl betaine modified diatomite |
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