CN106010566A - Phenanthrene-contaminated soil repair agent and preparation method thereof - Google Patents
Phenanthrene-contaminated soil repair agent and preparation method thereof Download PDFInfo
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- CN106010566A CN106010566A CN201610446354.8A CN201610446354A CN106010566A CN 106010566 A CN106010566 A CN 106010566A CN 201610446354 A CN201610446354 A CN 201610446354A CN 106010566 A CN106010566 A CN 106010566A
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Abstract
The invention discloses a phenanthrene-contaminated soil repair agent and a preparation method thereof. The phenanthrene-contaminated soil repair agent is prepared from, by weight, 35-40 parts of nano modified diatomite, 25-35 parts of humus, 15-25 parts of talcum powder, 8-20 parts of cysteine, 15-20 parts of polyacrylamide, 10-15 parts of octoxinol, 10-15 parts of chitosan and 2-6 parts of poly-ferric sulfate. According to the phenanthrene-contaminated soil repair agent and the preparation method thereof, physicochemical indexes of the soil subjected to severe contamination of phenanthrene can meet the GB15618-2008 standard; the treatment process is simple, the dosage is small, the treatment effect is good, the performance is stable, the degree of recovery of contaminated soil is high, the cost of phenanthrene-contaminated soil treatment is effectively reduced, and very good economic benefit and wide social benefit are achieved.
Description
Technical field
The present invention relates to a kind of technical field of soil remediation, specifically a kind of phenanthrene-polluted soil renovation agent and preparation method thereof.
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, and can be widely
It is present in environment, water and soil earth.2000 multiple compounds are done carcinogenic test at present, be found to have carcinogenesis
More than 500 are had to plant, wherein more than 200 germline arene；In these carcinogens, polycyclic aromatic hydrocarbon is a most important class.Multi-ring
Though aromatic hydrocarbons is trace in the environment, but distribution is very wide, and people can be absorbed by big gas and water, food etc., is human carcinomas
The important cause of disease.Polycyclic aromatic hydrocarbon is not readily dissolved in water, is easily attached on solid particle, so in general, and air, soil
Most of polycyclic aromatic hydrocarbons in earth are in ADSORPTION STATE；Polyaromatic hydrocarbon pollutant distribution is very wide, substantially at various surrounding mediums
In had been found that PAHs；Because of waste air, waste water and waste dumps, water, air and soil are produced and directly pollute by polycyclic aromatic hydrocarbon.
Absorption polycyclic aromatic hydrocarbon in smoke particles is transmitted to around and farther place with air-flow, again with depositing dust, rainfall and snowfall entrance water body
And soil, and soil and ground polycyclic aromatic hydrocarbon are again introduced into air by airborne dust, by breathing and food chain entrance animal body product
Raw murder by poisoning；Luxuriant and rich with fragrance as a kind of 3 ring polycyclic aromatic hydrocarbons, it is the persistence organic pollutant that in environment, recall rate is higher, therefore to phenanthrene
The improvement of contaminated soil and reparation, be the most urgent task.
Summary of the invention
It is an object of the invention to provide a kind of phenanthrene-polluted soil renovation agent and preparation method thereof, to solve in above-mentioned background technology
The problem proposed.
For achieving the above object, the present invention provides following technical scheme:
A kind of phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: nano modification kieselguhr 35-40 part, humic
Matter 25-35 part, Pulvis Talci 15-25 part, cysteine 8-20 part, polyacrylamide 15-20 part, octoxinol 10-15
Part, chitosan 10-15 part, polyiron sulfate 2-6 part；The diatomaceous preparation method of described nano modification: first by glycine betaine,
3-r-chloropropyl trimethoxyl silane, polyphenylene sulfide mix horizontal high voltage stir process of going forward side by side and obtain mixture, then by sulfur, silicon
Diatomaceous earth and mixture carry out melting under vacuo and i.e. obtain nano modification kieselguhr.
As the further scheme of the present invention: described phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion it is: nanometer
Modification infusorial earth 36-39 part, humus 28-32 part, Pulvis Talci 18-22 part, cysteine 12-16 part, polyacrylamide
Amine 17-18 part, octoxinol 11-14 part, chitosan 12-13 part, polyiron sulfate 3-5 part；Described nano modification diatom
The preparation method of soil: first glycine betaine, 3-r-chloropropyl trimethoxyl silane, polyphenylene sulfide are mixed at horizontal high voltage stirring of going forward side by side
Reason obtains mixture, then sulfur, kieselguhr is carried out melting under vacuo with mixture and i.e. obtains nano modification kieselguhr.
As the further scheme of the present invention: described phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion it is: nanometer
Modification infusorial earth 38 parts, 30 parts of humus, Pulvis Talci 20 parts, cysteine 14 parts, polyacrylamide 18 parts, pungent
Benzene former times alcohol 13 parts, chitosan 13 parts, polyiron sulfate 4 parts；The diatomaceous preparation method of described nano modification: described nanometer
The preparation method of modification infusorial earth: first glycine betaine, 3-r-chloropropyl trimethoxyl silane, polyphenylene sulfide are mixed and carry out height
Pressure stir process obtains mixture, then sulfur, kieselguhr is carried out melting under vacuo with mixture and i.e. obtains nano modification
Kieselguhr.
As the further scheme of the present invention: described talcous particle diameter is 220 μm.
As the further scheme of the present invention: the particle diameter of described polyiron sulfate is 750 μm.
The preparation method of described phenanthrene-polluted soil renovation 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%-20%,
It is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Pulvis Talci, cysteine, after piling up 8h, obtain mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 45 DEG C-50 DEG C, and the time is that 50-60 divides
Clock, obtains mixtures II；
(4) then, mixtures II and polyacrylamide, octoxinol, chitosan, polyiron sulfate are carried out constant temperature stirring；
Oven drying at low temperature at a temperature of being subsequently placed at 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains phenanthrene-polluted soil renovation agent.
As the further scheme of the present invention: in step (1), the moisture content of mixture slurry is 18%.
As the further scheme of the present invention: in step (3), the temperature of microwave treatment is 48 DEG C, the time is 55 minutes.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention can make the physical and chemical index by luxuriant and rich with fragrance severe contamination soil reach GB15618-2008 standard；Process technique is simple,
Dosage is few, and treatment effect is good, stable performance, and contaminated soil restoration degree is high, can significantly reduce luxuriant and rich with fragrance pollution
The cost of soil treatment, 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, aobvious
So, 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 phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: 35 parts of nano modification kieselguhr, humus
25 parts, Pulvis Talci 15 parts, cysteine 8 parts, polyacrylamide 15 parts, octoxinol 10 parts, chitosan 10 parts,
Polyiron sulfate 2 parts；The diatomaceous preparation method of described nano modification: first by glycine betaine, 3-r-chloropropyl trimethoxyl silane,
Polyphenylene sulfide mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then sulfur, kieselguhr is entered under vacuo with mixture
Row melting i.e. obtains nano modification kieselguhr；Described talcous particle diameter is 220 μm；The particle diameter of described polyiron sulfate is 750
μm。
The preparation method of described phenanthrene-polluted soil renovation 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%, with
After be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with Pulvis Talci, cysteine, after piling up 8h, obtain mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 45 DEG C, and the time is 50 minutes, obtains
Mixtures II；
(4) then, mixtures II and polyacrylamide, octoxinol, chitosan, polyiron sulfate are carried out constant temperature stirring；
Oven drying at low temperature at a temperature of being subsequently placed at 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains phenanthrene-polluted soil renovation agent.
Embodiment 2
A kind of phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: 36 parts of nano modification kieselguhr, humus
28 parts, Pulvis Talci 18 parts, cysteine 12 parts, polyacrylamide 17 parts, octoxinol 11 parts, chitosan 12 parts,
Polyiron sulfate 3 parts；The diatomaceous preparation method of described nano modification: first by glycine betaine, 3-r-chloropropyl trimethoxyl silane,
Polyphenylene sulfide mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then sulfur, kieselguhr is entered under vacuo with mixture
Row melting i.e. obtains nano modification kieselguhr；Described talcous particle diameter is 220 μm；The particle diameter of described polyiron sulfate is 750
μm。
The preparation method of described phenanthrene-polluted soil renovation 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%, with
After be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with Pulvis Talci, cysteine, after piling up 8h, obtain mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 45 DEG C, and the time is 50 minutes, obtains
Mixtures II；
(4) then, mixtures II and polyacrylamide, octoxinol, chitosan, polyiron sulfate are carried out constant temperature stirring；
Oven drying at low temperature at a temperature of being subsequently placed at 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains phenanthrene-polluted soil renovation agent.
Embodiment 3
A kind of phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: 38 parts of nano modification kieselguhr, humus
30 parts, Pulvis Talci 20 parts, cysteine 14 parts, polyacrylamide 18 parts, octoxinol 13 parts, chitosan 13 parts,
Polyiron sulfate 4 parts；The diatomaceous preparation method of described nano modification: first by glycine betaine, 3-r-chloropropyl trimethoxyl silane,
Polyphenylene sulfide mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then sulfur, kieselguhr is entered under vacuo with mixture
Row melting i.e. obtains nano modification kieselguhr；Described talcous particle diameter is 220 μm；The particle diameter of described polyiron sulfate is 750
μm。
The preparation method of described phenanthrene-polluted soil renovation 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 18%, with
After be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with Pulvis Talci, cysteine, after piling up 8h, obtain mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 48 DEG C, and the time is 55 minutes, obtains
Mixtures II；
(4) then, mixtures II and polyacrylamide, octoxinol, chitosan, polyiron sulfate are carried out constant temperature stirring；
Oven drying at low temperature at a temperature of being subsequently placed at 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains phenanthrene-polluted soil renovation agent.
Embodiment 4
A kind of phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: 39 parts of nano modification kieselguhr, humus
32 parts, Pulvis Talci 22 parts, cysteine 16 parts, polyacrylamide 18 parts, octoxinol 14 parts, chitosan 13 parts,
Polyiron sulfate 5 parts；The diatomaceous preparation method of described nano modification: first by glycine betaine, 3-r-chloropropyl trimethoxyl silane,
Polyphenylene sulfide mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then sulfur, kieselguhr is entered under vacuo with mixture
Row melting i.e. obtains nano modification kieselguhr；Described talcous particle diameter is 220 μm；The particle diameter of described polyiron sulfate is 750
μm。
The preparation method of described phenanthrene-polluted soil renovation 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%, with
After be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with Pulvis Talci, cysteine, after piling up 8h, obtain mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 50 DEG C, and the time is 60 minutes, obtains
Mixtures II；
(4) then, mixtures II and polyacrylamide, octoxinol, chitosan, polyiron sulfate are carried out constant temperature stirring；
Oven drying at low temperature at a temperature of being subsequently placed at 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains phenanthrene-polluted soil renovation agent.
Embodiment 5
A kind of phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: 40 parts of nano modification kieselguhr, humus
35 parts, Pulvis Talci 25 parts, Cys2 0 part, polyacrylamide 20 parts, octoxinol 15 parts, chitosan 15 parts,
Polyiron sulfate 6 parts；The diatomaceous preparation method of described nano modification: first by glycine betaine, 3-r-chloropropyl trimethoxyl silane,
Polyphenylene sulfide mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then sulfur, kieselguhr is entered under vacuo with mixture
Row melting i.e. obtains nano modification kieselguhr；Described talcous particle diameter is 220 μm；The particle diameter of described polyiron sulfate is 750
μm。
The preparation method of described phenanthrene-polluted soil renovation 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%, with
After be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with Pulvis Talci, cysteine, after piling up 8h, obtain mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 50 DEG C, and the time is 60 minutes, obtains
Mixtures II；
(4) then, mixtures II and polyacrylamide, octoxinol, chitosan, polyiron sulfate are carried out constant temperature stirring；
Oven drying at low temperature at a temperature of being subsequently placed at 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains phenanthrene-polluted soil renovation agent.
Comparative example 1
A kind of phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: 38 parts of nano modification kieselguhr, humus
30 parts, polyacrylamide 18 parts, octoxinol 13 parts, chitosan 13 parts, polyiron sulfate 4 parts；Described nano modification
Diatomaceous preparation method: the diatomaceous preparation method of described nano modification: first by glycine betaine, 3-r-chloropropyl trimethoxyl
Silane, polyphenylene sulfide mix horizontal high voltage stir process of going forward side by side and obtain mixture, then by sulfur, kieselguhr and mixture very
Carry out melting under sky and i.e. obtain nano modification kieselguhr；The particle diameter of described polyiron sulfate is 750 μm.
The preparation method of described phenanthrene-polluted soil renovation 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 18%, with
After be crushed to the granule of 8mm diameter；
(2) then, mixture I is obtained by after particle packing 8h；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 48 DEG C, and the time is 55 minutes, obtains
Mixtures II；
(4) then, mixtures II and polyacrylamide, octoxinol, chitosan, polyiron sulfate are carried out constant temperature stirring；
Oven drying at low temperature at a temperature of being subsequently placed at 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains phenanthrene-polluted soil renovation agent.
Comparative example 2
A kind of phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: 38 parts of kieselguhr, 30 parts of humus, poly-
Acrylamide 18 parts, chitosan 13 parts.
The preparation method of described phenanthrene-polluted soil renovation 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 18%, with
After be crushed to the granule of 8mm diameter；
(2) then, mixture I is obtained by after particle packing 8h；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 48 DEG C, and the time is 55 minutes, obtains
Mixtures II；
(4) then, mixtures II and polyacrylamide, chitosan are carried out constant temperature stirring；At a temperature of being subsequently placed at 6 DEG C
Oven drying at low temperature, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains phenanthrene-polluted soil renovation agent.
Comparative example 3
A kind of phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: 38 parts of nano modification kieselguhr, humus
30 parts, Pulvis Talci 20 parts, cysteine 14 parts, polyacrylamide 18 parts, octoxinol 13 parts, chitosan 13 parts,
Polyiron sulfate 4 parts；The diatomaceous preparation method of described nano modification: the diatomaceous preparation method of described nano modification: first
Glycine betaine, 3-r-chloropropyl trimethoxyl silane, polyphenylene sulfide are mixed horizontal high voltage stir process of going forward side by side and obtain mixture, then
Sulfur, kieselguhr with mixture, are carried out melting under vacuo and i.e. obtains nano modification kieselguhr；Described talcous particle diameter is
220μm；The particle diameter of described polyiron sulfate is 750 μm.
The preparation method of described phenanthrene-polluted soil renovation 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 18%, with
After be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with Pulvis Talci, cysteine, after piling up 8h, obtain mixture I；
(3) then, mixture I is carried out constant temperature stirring with polyacrylamide, octoxinol, chitosan, polyiron sulfate；
Oven drying at low temperature at a temperature of being subsequently placed at 6 DEG C, obtains mixtures II；
(4) last, mixtures II is carried out micro encapsulation packaging, obtains phenanthrene-polluted soil renovation agent.
Test experience
Excavator is utilized to excavate, by the phenanthrene in above-described embodiment 1-5 and comparative example 1-3 polluting soil to be repaired
After contaminated soil remediation agent is added on the renovation agent of surface applying 2cm thickness of contaminated soil, by polluted soil top layer
Soil thick for 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 phenanthrene-polluted soil renovation agent of preparation, has more preferable notable place with contrast groups example ratio
Reason effect, the present invention can make the physical and chemical index by luxuriant and rich with fragrance severe contamination soil reach GB15618-2008 standard；Process technique
Simply, dosage is few, and treatment effect is good, stable performance, and contaminated soil restoration degree is high, can significantly reduce
The cost that phenanthrene-polluted soil processes, 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, and do not carrying on the back
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
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 comprises
One independent technical scheme, this narrating mode of description is only the most for clarity sake, and those skilled in the art should be by
Description is as an entirety, and the technical scheme in each embodiment can also be through appropriately combined, and forming those skilled in the art can
With other embodiments understood.
Claims (8)
1. a phenanthrene-polluted soil renovation agent, it is characterized in that, according to the primary raw material of weight portion be: nano modification kieselguhr 35-40 part, humus 25-35 part, Pulvis Talci 15-25 part, cysteine 8-20 part, polyacrylamide 15-20 part, octoxinol 10-15 part, chitosan 10-15 part, polyiron sulfate 2-6 part；The diatomaceous preparation method of described nano modification: first glycine betaine, 3-r-chloropropyl trimethoxyl silane, polyphenylene sulfide are mixed horizontal high voltage stir process of going forward side by side and obtain mixture, then carries out melting under vacuo with mixture i.e. obtain nano modification kieselguhr by sulfur, kieselguhr.
Phenanthrene-polluted soil renovation agent the most according to claim 1, it is characterized in that, described phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: nano modification kieselguhr 36-39 part, humus 28-32 part, Pulvis Talci 18-22 part, cysteine 12-16 part, polyacrylamide 17-18 part, octoxinol 11-14 part, chitosan 12-13 part, polyiron sulfate 3-5 part；The diatomaceous preparation method of described nano modification: first glycine betaine, 3-r-chloropropyl trimethoxyl silane, polyphenylene sulfide are mixed horizontal high voltage stir process of going forward side by side and obtain mixture, then carries out melting under vacuo with mixture i.e. obtain nano modification kieselguhr by sulfur, kieselguhr.
Phenanthrene-polluted soil renovation agent the most according to claim 1 and 2, it is characterized in that, described phenanthrene-polluted soil renovation agent, according to the primary raw material of weight portion be: 38 parts of nano modification kieselguhr, 30 parts of humus, Pulvis Talci 20 parts, cysteine 14 parts, polyacrylamide 18 parts, octoxinol 13 parts, chitosan 13 parts, polyiron sulfate 4 parts；The diatomaceous preparation method of described nano modification: the diatomaceous preparation method of described nano modification: first glycine betaine, 3-r-chloropropyl trimethoxyl silane, polyphenylene sulfide are mixed horizontal high voltage stir process of going forward side by side and obtain mixture, then carries out melting under vacuo with mixture i.e. obtain nano modification kieselguhr by sulfur, kieselguhr.
Phenanthrene-polluted soil renovation agent the most according to claim 3, it is characterised in that described talcous particle diameter is 220 μm.
Phenanthrene-polluted soil renovation agent the most according to claim 3, it is characterised in that the particle diameter of described polyiron sulfate is 750 μm.
6. the preparation method of the phenanthrene-polluted soil renovation 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 15%-20%, is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Pulvis Talci, cysteine, after piling up 8h, obtain mixture I；
(3) secondly, mixture I carries out microwave treatment, and the temperature of microwave treatment is 45 DEG C-50 DEG C, and the time is 50-60 minute, obtains mixtures II；
(4) then, mixtures II and polyacrylamide, octoxinol, chitosan, polyiron sulfate are carried out constant temperature stirring；Oven drying at low temperature at a temperature of being subsequently placed at 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains phenanthrene-polluted soil renovation agent.
The preparation method of phenanthrene-polluted soil renovation agent the most according to claim 6, it is characterised in that in step (1), the moisture content of mixture slurry is 18%.
The preparation method of phenanthrene-polluted soil renovation agent the most according to claim 6, it is characterised in that in step (3), the temperature of microwave treatment is 48 DEG C, the time is 55 minutes.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111226525A (en) * | 2020-02-26 | 2020-06-05 | 山西师范大学 | Method for inhibiting soil phenanthrene extraction by plants through graphene oxide and application of method |
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