CN106118672A - A kind of naphthalene contaminated soil remediation agent and preparation method thereof - Google Patents
A kind of naphthalene contaminated soil remediation agent and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of naphthalene contaminated soil remediation agent and preparation method thereof, described naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion be: 35 40 parts of nano modification kieselguhr, 25 35 parts of humus, Pulvis Talci 15 25 parts, polyvinyl pyrrolidone 8 20 parts, polyacrylamide 15 20 parts, hydroxyacetic acid 8 16 parts, chitin 58 parts, sodium citrate 16 parts.The present invention can make to be reached GB15618 2008 standard by the physical and chemical index of naphthalene 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 naphthalene 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 naphthalene contaminated soil remediation agent and preparation side thereof
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；Naphthalene is as a kind of 2
Ring polycyclic aromatic hydrocarbon, is the persistence organic pollutant that in environment, recall rate is higher, therefore improvement and the reparation to naphthalene contaminated soil,
It it is the most urgent task.
Summary of the invention
It is an object of the invention to provide a kind of naphthalene contaminated soil remediation agent and preparation method thereof, to solve above-mentioned background skill
The problem proposed in art.
For achieving the above object, the present invention provides following technical scheme:
A kind of naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion be: nano modification kieselguhr 35-40 part, corruption
Grow matter 25-35 part, Pulvis Talci 15-25 part, polyvinyl pyrrolidone 8-20 part, polyacrylamide 15-20 part, hydroxyacetic acid 8-
16 parts, chitin 5-8 part, sodium citrate 1-6 part；The diatomaceous preparation method of described nano modification: first by sodium bicarbonate,
3-r-chloropropyl trimethoxyl silane, carboxymethyl cellulose mix horizontal high voltage stir process of going forward side by side and obtain mixture, then by epoxy
Resin, kieselguhr and mixture carry out reacting i.e. obtaining nano modification kieselguhr under vacuo.
As the further scheme of the present invention: described naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion it is: receive
Rice modification infusorial earth 36-39 part, humus 28-32 part, Pulvis Talci 19-21 part, polyvinyl pyrrolidone 12-16 part, poly-third
Acrylamide 16-19 part, hydroxyacetic acid 11-13 part, chitin 6-7 part, sodium citrate 2-5 part；Described nano modification is diatomaceous
Preparation method: first sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxymethyl cellulose are mixed at horizontal high voltage stirring of going forward side by side
Reason obtains mixture, then carries out under vacuo reacting i.e. obtaining nano modification diatom with mixture by epoxy resin, kieselguhr
Soil.
As the further scheme of the present invention: described naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion it is: receive
Rice modification infusorial earth 38 parts, 30 parts of humus, Pulvis Talci 20 parts, polyvinyl pyrrolidone 14 parts, polyacrylamide 18 parts, hydroxyl
Guanidine-acetic acid 12 parts, chitin 7 parts, sodium citrate 4 parts；The diatomaceous preparation method of described nano modification: first by sodium bicarbonate,
3-r-chloropropyl trimethoxyl silane, carboxymethyl cellulose mix horizontal high voltage stir process of going forward side by side and obtain mixture, then by epoxy
Resin, kieselguhr and mixture carry out reacting i.e. obtaining nano modification kieselguhr under vacuo.
As the further scheme of the present invention: described talcous particle diameter is 120 μm.
As the further scheme of the present invention: the mesh number of described sodium citrate is 300 mesh.
The preparation method of described naphthalene 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%-
20%, it is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Pulvis Talci, polyvinyl pyrrolidone, chitin, mixed after piling up 8h
Compound 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, hydroxyacetic acid, sodium citrate are carried out constant temperature stirring；It is subsequently placed at
Oven drying at low temperature at a temperature of 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains naphthalene contaminated soil remediation 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 naphthalene severe contamination soil reach GB15618-2008 standard；The letter of process technique
Single, dosage is few, and treatment effect is good, stable performance, and contaminated soil restoration degree is high, can significantly reduce naphthalene and pollute
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,
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 naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion be: 35 parts of nano modification kieselguhr, humus
25 parts, Pulvis Talci 15 parts, polyvinyl pyrrolidone 8 parts, polyacrylamide 15 parts, hydroxyacetic acid 8 parts, chitin 5 parts, Fructus Citri Limoniae
1 part of sodium of acid；The diatomaceous preparation method of described nano modification: first by sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxylic first
Base cellulose mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then by epoxy resin, kieselguhr and mixture in vacuum
Under carry out reacting and i.e. obtain nano modification kieselguhr；Described talcous particle diameter is 120 μm；The mesh number of described sodium citrate is
300 mesh.
The preparation method of described naphthalene 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 Pulvis Talci, polyvinyl pyrrolidone, chitin, mixed after piling up 8h
Compound 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, is mixed
Compound II；
(4) then, mixtures II and polyacrylamide, hydroxyacetic acid, sodium citrate are carried out constant temperature stirring；It is subsequently placed at
Oven drying at low temperature at a temperature of 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains naphthalene contaminated soil remediation agent.
Embodiment 2
A kind of naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion be: 36 parts of nano modification kieselguhr, humus
28 parts, Pulvis Talci 19 parts, polyvinyl pyrrolidone 12 parts, polyacrylamide 16 parts, hydroxyacetic acid 11 parts, chitin 6 parts, lemon
2 parts of lemon acid sodium；The diatomaceous preparation method of described nano modification: first by sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxylic
Methylcellulose mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then by epoxy resin, kieselguhr and mixture very
Carry out under sky reacting i.e. obtaining nano modification kieselguhr；Described talcous particle diameter is 120 μm；The mesh number of described sodium citrate is
300 mesh.
The preparation method of described naphthalene 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 Pulvis Talci, polyvinyl pyrrolidone, chitin, mixed after piling up 8h
Compound 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, is mixed
Compound II；
(4) then, mixtures II and polyacrylamide, hydroxyacetic acid, sodium citrate are carried out constant temperature stirring；It is subsequently placed at
Oven drying at low temperature at a temperature of 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains naphthalene contaminated soil remediation agent.
Embodiment 3
A kind of naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion be: 38 parts of nano modification kieselguhr, humus
30 parts, Pulvis Talci 20 parts, polyvinyl pyrrolidone 14 parts, polyacrylamide 18 parts, hydroxyacetic acid 12 parts, chitin 7 parts, lemon
4 parts of lemon acid sodium；The diatomaceous preparation method of described nano modification: first by sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxylic
Methylcellulose mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then by epoxy resin, kieselguhr and mixture very
Carry out under sky reacting i.e. obtaining nano modification kieselguhr；Described talcous particle diameter is 120 μm；The mesh number of described sodium citrate is
300 mesh.
The preparation method of described naphthalene 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 18%,
It is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Pulvis Talci, polyvinyl pyrrolidone, chitin, mixed after piling up 8h
Compound 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, is mixed
Compound II；
(4) then, mixtures II and polyacrylamide, hydroxyacetic acid, sodium citrate are carried out constant temperature stirring；It is subsequently placed at
Oven drying at low temperature at a temperature of 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains naphthalene contaminated soil remediation agent.
Embodiment 4
A kind of naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion be: 39 parts of nano modification kieselguhr, humus
32 parts, Pulvis Talci 21 parts, polyvinyl pyrrolidone 16 parts, polyacrylamide 19 parts, hydroxyacetic acid 13 parts, chitin 7 parts, lemon
5 parts of lemon acid sodium；The diatomaceous preparation method of described nano modification: first by sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxylic
Methylcellulose mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then by epoxy resin, kieselguhr and mixture very
Carry out under sky reacting i.e. obtaining nano modification kieselguhr；Described talcous particle diameter is 120 μm；The mesh number of described sodium citrate is
300 mesh.
The preparation method of described naphthalene 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 Pulvis Talci, polyvinyl pyrrolidone, chitin, mixed after piling up 8h
Compound 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, is mixed
Compound II；
(4) then, mixtures II and polyacrylamide, hydroxyacetic acid, sodium citrate are carried out constant temperature stirring；It is subsequently placed at
Oven drying at low temperature at a temperature of 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains naphthalene contaminated soil remediation agent.
Embodiment 5
A kind of naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion be: 40 parts of nano modification kieselguhr, humus
35 parts, Pulvis Talci 25 parts, polyvinyl pyrrolidone 20 parts, polyacrylamide 20 parts, hydroxyacetic acid 16 parts, chitin 8 parts, lemon
6 parts of lemon acid sodium；The diatomaceous preparation method of described nano modification: first by sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxylic
Methylcellulose mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then by epoxy resin, kieselguhr and mixture very
Carry out under sky reacting i.e. obtaining nano modification kieselguhr；Described talcous particle diameter is 120 μm；The mesh number of described sodium citrate is
300 mesh.
The preparation method of described naphthalene 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 Pulvis Talci, polyvinyl pyrrolidone, chitin, mixed after piling up 8h
Compound 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, is mixed
Compound II；
(4) then, mixtures II and polyacrylamide, hydroxyacetic acid, sodium citrate are carried out constant temperature stirring；It is subsequently placed at
Oven drying at low temperature at a temperature of 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains naphthalene contaminated soil remediation agent.
Comparative example 1
A kind of naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion be: 38 parts of nano modification kieselguhr, humus
30 parts, Pulvis Talci 20 parts, polyacrylamide 18 parts, hydroxyacetic acid 12 parts, sodium citrate 4 parts；Described nano modification is diatomaceous
Preparation method: first sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxymethyl cellulose are mixed horizontal high voltage stirring of going forward side by side
Process obtains mixture, then carries out under vacuo reacting i.e. obtaining nano modification silicon with mixture by epoxy resin, kieselguhr
Diatomaceous earth；Described talcous particle diameter is 120 μm；The mesh number of described sodium citrate is 300 mesh.
The preparation method of described naphthalene 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 18%,
It is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Pulvis Talci, 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, is mixed
Compound II；
(4) then, mixtures II and polyacrylamide, hydroxyacetic acid, sodium citrate are carried out constant temperature stirring；It is subsequently placed at
Oven drying at low temperature at a temperature of 6 DEG C, obtains mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains naphthalene contaminated soil remediation agent.
Comparative example 2
A kind of naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion be: 38 parts of kieselguhr, 30 parts of humus, cunning
Stone powder 20 parts, polyacrylamide 18 parts；Described talcous particle diameter is 120 μm.
The preparation method of described naphthalene 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 18%, extrudes subsequently
Make the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with Pulvis Talci, 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, is mixed
Compound II；
(4) then, mixtures II and polyacrylamide are carried out constant temperature stirring；Oven drying at low temperature at a temperature of being subsequently placed at 6 DEG C,
Obtain mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains naphthalene contaminated soil remediation agent.
Comparative example 3
A kind of naphthalene contaminated soil remediation agent, according to the primary raw material of weight portion be: 38 parts of nano modification kieselguhr, humus
30 parts, Pulvis Talci 20 parts, polyvinyl pyrrolidone 14 parts, polyacrylamide 18 parts, hydroxyacetic acid 12 parts, chitin 7 parts, lemon
4 parts of lemon acid sodium；The diatomaceous preparation method of described nano modification: first by sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxylic
Methylcellulose mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then by epoxy resin, kieselguhr and mixture very
Carry out under sky reacting i.e. obtaining nano modification kieselguhr；Described talcous particle diameter is 120 μm；The mesh number of described sodium citrate is
300 mesh.
The preparation method of described naphthalene 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 18%,
It is crushed to the granule of 8mm diameter subsequently；
(2) then, granule is mixed homogeneously with Pulvis Talci, polyvinyl pyrrolidone, chitin, mixed after piling up 8h
Compound I；
(3) then, mixtures II and polyacrylamide, hydroxyacetic acid, sodium citrate are carried out constant temperature stirring；It is subsequently placed at
Oven drying at low temperature at a temperature of 6 DEG C, obtains mixtures III；
(4) last, mixtures III is carried out micro encapsulation packaging, obtains naphthalene contaminated soil remediation agent.
Test experience
Excavator is utilized to excavate, by the naphthalene 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
Table 1.
As can be seen here, the naphthalene contaminated soil remediation agent of preparation in the embodiment of the present invention, have more preferable aobvious with contrast groups example ratio
Writing treatment effect, the present invention can make the physical and chemical index by naphthalene severe contamination soil reach GB15618-2008 standard；Place's science and engineering
Skill is simple, and dosage is few, and treatment effect is good, stable performance, and contaminated soil restoration degree is high, can significantly reduce naphthalene
The cost that contaminated 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, 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 naphthalene contaminated soil remediation agent, it is characterised 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, polyvinyl pyrrolidone 8-20 part, polyacrylamide 15-20 part,
Hydroxyacetic acid 8-16 part, chitin 5-8 part, sodium citrate 1-6 part；The diatomaceous preparation method of described nano modification: first will
Sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxymethyl cellulose mix horizontal high voltage stir process of going forward side by side and obtain mixture, connect
And carry out under vacuo reacting i.e. obtaining nano modification kieselguhr with mixture by epoxy resin, kieselguhr.
Naphthalene contaminated soil remediation agent the most according to claim 1, it is characterised in that described naphthalene contaminated soil remediation agent, presses
Primary raw material according to weight portion is: nano modification kieselguhr 36-39 part, humus 28-32 part, Pulvis Talci 19-21 part, polyethylene
Base ketopyrrolidine 12-16 part, polyacrylamide 16-19 part, hydroxyacetic acid 11-13 part, chitin 6-7 part, sodium citrate 2-5
Part；The diatomaceous preparation method of described nano modification: first by sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxymethyl fibre
Dimension element mixes horizontal high voltage stir process of going forward side by side and obtains mixture, then epoxy resin, kieselguhr is entered under vacuo with mixture
Row reaction i.e. obtains nano modification kieselguhr.
Naphthalene contaminated soil remediation agent the most according to claim 1 and 2, it is characterised in that described naphthalene contaminated soil remediation agent,
According to the primary raw material of weight portion it is: 38 parts of nano modification kieselguhr, 30 parts of humus, Pulvis Talci 20 parts, polyvinylpyrrolidine
Alkanone 14 parts, polyacrylamide 18 parts, hydroxyacetic acid 12 parts, chitin 7 parts, sodium citrate 4 parts；Described nano modification kieselguhr
Preparation method: first by sodium bicarbonate, 3-r-chloropropyl trimethoxyl silane, carboxymethyl cellulose mixing go forward side by side horizontal high voltage stirring
Process obtains mixture, then carries out under vacuo reacting i.e. obtaining nano modification silicon with mixture by epoxy resin, kieselguhr
Diatomaceous earth.
Naphthalene contaminated soil remediation agent the most according to claim 3, it is characterised in that described talcous particle diameter is 120 μm.
Naphthalene contaminated soil remediation agent the most according to claim 3, it is characterised in that the mesh number of described sodium citrate is 300
Mesh.
6. the preparation method of the naphthalene contaminated soil remediation agent as described in claim 1-5 is arbitrary, it is characterised in that specifically walk
Suddenly it is:
(1) first, add water in nano modification kieselguhr and humus and obtain mixture slurry so that it is moisture content is 15%-20%, with
After be crushed to the granule of 8mm diameter；
(2) then, granule is mixed homogeneously with Pulvis Talci, polyvinyl pyrrolidone, chitin, 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,
To mixtures II；
(4) then, mixtures II and polyacrylamide, hydroxyacetic acid, sodium citrate are carried out constant temperature stirring；It is subsequently placed at 6 DEG C
At a temperature of oven drying at low temperature, obtain mixtures III；
(5) last, mixtures III is carried out micro encapsulation packaging, obtains naphthalene contaminated soil remediation agent.
The preparation method of naphthalene contaminated soil remediation agent the most according to claim 6, it is characterised in that mixing in step (1)
The moisture content of slurry is 18%.
The preparation method of naphthalene contaminated soil remediation agent the most according to claim 6, it is characterised in that microwave in step (3)
The temperature processed is 48 DEG C, and the time is 55 minutes.
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| CN107159167A (en) * | 2017-07-13 | 2017-09-15 | 韦卓林 | Heavy metal absorbent prepared by a kind of utilization rice straw and preparation method thereof |
| CN107282019A (en) * | 2017-07-13 | 2017-10-24 | 韦卓林 | Heavy metal absorbent prepared by a kind of utilization cereal shell and preparation method thereof |
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| CN107149925A (en) * | 2017-07-13 | 2017-09-12 | 韦卓林 | Heavy metal absorbent prepared by a kind of utilization bog moss and preparation method thereof |
| CN107159167A (en) * | 2017-07-13 | 2017-09-15 | 韦卓林 | Heavy metal absorbent prepared by a kind of utilization rice straw and preparation method thereof |
| CN107282019A (en) * | 2017-07-13 | 2017-10-24 | 韦卓林 | Heavy metal absorbent prepared by a kind of utilization cereal shell and preparation method thereof |
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