CN105948432A - Dichloroethylene polluted sludge treatment agent and preparation method thereof - Google Patents
Dichloroethylene polluted sludge treatment agent and preparation method thereof Download PDFInfo
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- CN105948432A CN105948432A CN201610489103.8A CN201610489103A CN105948432A CN 105948432 A CN105948432 A CN 105948432A CN 201610489103 A CN201610489103 A CN 201610489103A CN 105948432 A CN105948432 A CN 105948432A
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- dichloroethylene
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/004—Sludge detoxification
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/36—Organic compounds containing halogen
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- Environmental & Geological Engineering (AREA)
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- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
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Abstract
The invention discloses a dichloroethylene polluted sludge treatment agent and a preparation method thereof. The dichloroethylene polluted sludge treatment agent comprises the following raw materials in parts by weight: 25 to 30 parts of nano modified sludge, 15 to 20 parts of cobblestones, 15 to 25 parts of dioctyl phthalate, 8 to 12 parts of polyethylene glycol stearate, 4 to 8 parts of glycolic acid, 2 to 6 parts of polyether modified silicone oil, and 0.2 to 0.4 part of barium sulphide. By using the dichloroethylene polluted sludge treatment agent, the physicochemical indexes of the soil which is seriously polluted by dichloroethylene can reach the standard of GB15618-2008; the treatment process is simple; the using amount is small; the treatment effect is good; the performance is stable; the recovery degree of polluted soil is high; the cost of the sludge treatment agent can be effectively reduced; the dichloroethylene polluted soil remediation agent has a very good economic benefit and a wide social benefit.
Description
Technical field
The present invention relates to a kind of sludge technology field, specifically a kind of dichloroethylene Contaminated Sewage Sludge inorganic agent and preparation method thereof.
Background technology
Along with China's rapid development of economy, automobile quantity steeply rises, and gas station and buried tank spread all over the place in various places and quantity grows with each passing day.But owing to design management is not good at, these oil storage tanks are when burying underground, and majority does not takes into full account the intensity of tank body and corresponding leakage barrier measure, once leaks, Soil Surrounding, subsoil water will be caused severe contamination.Aging especially with Oil Tank Body, this problem will be more prominent.For this, the pollution to soil of the industry such as oil and chemical industry, the pollution that soil is caused by the most substantial amounts of volatile organic matter (Volatile Organic Compounds, VOCs), the most increasingly cause the attention of people in China.Volatile organic matter in soil, as the special soil pollutant of a class, has it to be different from the polluting property of other pollutant, and because of its complicated component and hazardness, is listed in environment the toxic pollutant that potentially danger is big, answer priority acccess control.Therefore, external many developed countries expressly provide, must carry out appropriate disposal to by volatile organic matter contaminated soil, to ensure the biological and safety of environment.Although VOCs-contaminated Soils is not yet put into effect corresponding standard in China and regulation is controlled, but in domestic minority prosperity cities such as Shanghai, the harm problem of volatile organic matter has caused the great attention of government department, and disposing VOCs-contaminated Soils the most rationally and effectively becomes the technical barrier being badly in need of solving.Dichloroethylene is as a kind of volatile organism, and it can pass through soil or the water that is dissolved in soil and moves around, it is thus possible to can pollute subsoil water；Therefore improvement and the reparation to dichloroethylene Contaminated Sewage Sludge, is the most urgent task.
Summary of the invention
It is an object of the invention to provide a kind of dichloroethylene Contaminated Sewage Sludge inorganic agent and preparation method thereof, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: nano modification mud 25-30 part, cobblestone 15-20 part, dioctyl phthalate 15-25 part, polyglycol distearate 8-12 part, hydroxyacetic acid 4-8 part, polyether modified silicon oil 2-6 part, barium sulfide 0.2-0.4 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave.
As the further scheme of the present invention: described dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion it is: nano modification mud 26-29 part, cobblestone 16-19 part, dioctyl phthalate 18-22 part, polyglycol distearate 9-11 part, hydroxyacetic acid 4-8 part, polyether modified silicon oil 2-6 part, barium sulfide 0.2-0.4 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave.
As the further scheme of the present invention: described dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion it is: 28 parts of nano modification mud, cobblestone 18 parts, dioctyl phthalate 20 parts, polyglycol distearate 10 parts, hydroxyacetic acid 6 parts, polyether modified silicon oil 4 parts, barium sulfide 0.3 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave.
As the further scheme of the present invention: the mesh number of described cobblestone is 800 mesh.
As the further scheme of the present invention: the mesh number of described barium sulfide is 800 mesh.
The preparation method of described dichloroethylene Contaminated Sewage Sludge inorganic agent, concretely comprises the following steps:
(1) first, nano modification mud puts into cobblestone and dioctyl phthalate, double-shaft mixers processes 20min, is crushed to the granule of 10mm diameter subsequently；
(2) then, granule is mixed homogeneously with polyglycol distearate, hydroxyacetic acid, at 28 DEG C, after constant speed stirring, obtain mixture I；
(3) secondly, mixture I carries out sonic oscillation process, and the power that sonic oscillation processes is 300-600W, and the time is 50-60 minute, obtains mixtures II；
(4) then, mixtures II is carried out atomization process, carries out constant temperature stirring with polyether modified silicon oil, barium sulfide subsequently；Oven drying at low temperature pelletize at a temperature of being subsequently placed at 6 DEG C, obtains dichloroethylene Contaminated Sewage Sludge inorganic agent.
As the further scheme of the present invention: the power that in step (3), sonic oscillation processes is 450W, and 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 dichloroethylene 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 of sludge treating agent, 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, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
A kind of dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: 25 parts of nano modification mud, cobblestone 15 parts, dioctyl phthalate 15 parts, polyglycol distearate 8 parts, hydroxyacetic acid 4 parts, polyether modified silicon oil 2 parts, barium sulfide 0.2 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave；The mesh number of described cobblestone is 800 mesh；The mesh number of described barium sulfide is 800 mesh.
The preparation method of described dichloroethylene Contaminated Sewage Sludge inorganic agent, concretely comprises the following steps:
(1) first, nano modification mud puts into cobblestone and dioctyl phthalate, double-shaft mixers processes 20min, is crushed to the granule of 10mm diameter subsequently；
(2) then, granule is mixed homogeneously with polyglycol distearate, hydroxyacetic acid, at 28 DEG C, after constant speed stirring, obtain mixture I；
(3) secondly, mixture I carries out sonic oscillation process, and the power that sonic oscillation processes is 300W, and the time is 50 minutes, obtains mixtures II；
(4) then, mixtures II is carried out atomization process, carries out constant temperature stirring with polyether modified silicon oil, barium sulfide subsequently；Oven drying at low temperature pelletize at a temperature of being subsequently placed at 6 DEG C, obtains dichloroethylene Contaminated Sewage Sludge inorganic agent.
Embodiment 2
A kind of dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: 26 parts of nano modification mud, cobblestone 16 parts, dioctyl phthalate 18 parts, polyglycol distearate 9 parts, hydroxyacetic acid 4 parts, polyether modified silicon oil 2 parts, barium sulfide 0.2 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave；The mesh number of described cobblestone is 800 mesh；The mesh number of described barium sulfide is 800 mesh.
The preparation method of described dichloroethylene Contaminated Sewage Sludge inorganic agent, concretely comprises the following steps:
(1) first, nano modification mud puts into cobblestone and dioctyl phthalate, double-shaft mixers processes 20min, is crushed to the granule of 10mm diameter subsequently；
(2) then, granule is mixed homogeneously with polyglycol distearate, hydroxyacetic acid, at 28 DEG C, after constant speed stirring, obtain mixture I；
(3) secondly, mixture I carries out sonic oscillation process, and the power that sonic oscillation processes is 300W, and the time is 50 minutes, obtains mixtures II；
(4) then, mixtures II is carried out atomization process, carries out constant temperature stirring with polyether modified silicon oil, barium sulfide subsequently；Oven drying at low temperature pelletize at a temperature of being subsequently placed at 6 DEG C, obtains dichloroethylene Contaminated Sewage Sludge inorganic agent.
Embodiment 3
A kind of dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: 28 parts of nano modification mud, cobblestone 18 parts, dioctyl phthalate 20 parts, polyglycol distearate 10 parts, hydroxyacetic acid 6 parts, polyether modified silicon oil 4 parts, barium sulfide 0.3 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave；The mesh number of described cobblestone is 800 mesh；The mesh number of described barium sulfide is 800 mesh.
The preparation method of described dichloroethylene Contaminated Sewage Sludge inorganic agent, concretely comprises the following steps:
(1) first, nano modification mud puts into cobblestone and dioctyl phthalate, double-shaft mixers processes 20min, is crushed to the granule of 10mm diameter subsequently；
(2) then, granule is mixed homogeneously with polyglycol distearate, hydroxyacetic acid, at 28 DEG C, after constant speed stirring, obtain mixture I；
(3) secondly, mixture I carries out sonic oscillation process, and the power that sonic oscillation processes is 450W, and the time is 55 minutes, obtains mixtures II；
(4) then, mixtures II is carried out atomization process, carries out constant temperature stirring with polyether modified silicon oil, barium sulfide subsequently；Oven drying at low temperature pelletize at a temperature of being subsequently placed at 6 DEG C, obtains dichloroethylene Contaminated Sewage Sludge inorganic agent.
Embodiment 4
A kind of dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: 29 parts of nano modification mud, cobblestone 19 parts, dioctyl phthalate 22 parts, polyglycol distearate 11 parts, hydroxyacetic acid 8 parts, polyether modified silicon oil 6 parts, barium sulfide 0.4 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave；The mesh number of described cobblestone is 800 mesh；The mesh number of described barium sulfide is 800 mesh.
The preparation method of described dichloroethylene Contaminated Sewage Sludge inorganic agent, concretely comprises the following steps:
(1) first, nano modification mud puts into cobblestone and dioctyl phthalate, double-shaft mixers processes 20min, is crushed to the granule of 10mm diameter subsequently；
(2) then, granule is mixed homogeneously with polyglycol distearate, hydroxyacetic acid, at 28 DEG C, after constant speed stirring, obtain mixture I；
(3) secondly, mixture I carries out sonic oscillation process, and the power that sonic oscillation processes is 600W, and the time is 60 minutes, obtains mixtures II；
(4) then, mixtures II is carried out atomization process, carries out constant temperature stirring with polyether modified silicon oil, barium sulfide subsequently；Oven drying at low temperature pelletize at a temperature of being subsequently placed at 6 DEG C, obtains dichloroethylene Contaminated Sewage Sludge inorganic agent.
Embodiment 5
A kind of dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: 30 parts of nano modification mud, cobblestone 20 parts, dioctyl phthalate 25 parts, polyglycol distearate 12 parts, hydroxyacetic acid 8 parts, polyether modified silicon oil 6 parts, barium sulfide 0.4 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave；The mesh number of described cobblestone is 800 mesh；The mesh number of described barium sulfide is 800 mesh.
The preparation method of described dichloroethylene Contaminated Sewage Sludge inorganic agent, concretely comprises the following steps:
(1) first, nano modification mud puts into cobblestone and dioctyl phthalate, double-shaft mixers processes 20min, is crushed to the granule of 10mm diameter subsequently；
(2) then, granule is mixed homogeneously with polyglycol distearate, hydroxyacetic acid, at 28 DEG C, after constant speed stirring, obtain mixture I；
(3) secondly, mixture I carries out sonic oscillation process, and the power that sonic oscillation processes is 600W, and the time is 60 minutes, obtains mixtures II；
(4) then, mixtures II is carried out atomization process, carries out constant temperature stirring with polyether modified silicon oil, barium sulfide subsequently；Oven drying at low temperature pelletize at a temperature of being subsequently placed at 6 DEG C, obtains dichloroethylene Contaminated Sewage Sludge inorganic agent.
Comparative example 1
A kind of dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: 28 parts of nano modification mud, cobblestone 18 parts, polyglycol distearate 10 parts, hydroxyacetic acid 6 parts, polyether modified silicon oil 4 parts, barium sulfide 0.3 part；The preparation method of described nano modification mud: first silicone oil, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave；The mesh number of described cobblestone is 800 mesh；The mesh number of described barium sulfide is 800 mesh.
The preparation method of described dichloroethylene Contaminated Sewage Sludge inorganic agent, concretely comprises the following steps:
(1) first, nano modification mud puts into cobblestone, double-shaft mixers processes 20min, is crushed to the granule of 10mm diameter subsequently；
(2) then, granule is mixed homogeneously with polyglycol distearate, hydroxyacetic acid, at 28 DEG C, after constant speed stirring, obtain mixture I；
(3) secondly, mixture I carries out sonic oscillation process, and the power that sonic oscillation processes is 450W, and the time is 55 minutes, obtains mixtures II；
(4) then, mixtures II is carried out atomization process, carries out constant temperature stirring with polyether modified silicon oil, barium sulfide subsequently；Oven drying at low temperature pelletize at a temperature of being subsequently placed at 6 DEG C, obtains dichloroethylene Contaminated Sewage Sludge inorganic agent.
Comparative example 2
A kind of dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: 28 parts of mud, cobblestone 18 parts, hydroxyacetic acid 6 parts, polyether modified silicon oil 4 parts, barium sulfide 0.3 part；The mesh number of described cobblestone is 800 mesh；The mesh number of described barium sulfide is 800 mesh.
The preparation method of described dichloroethylene Contaminated Sewage Sludge inorganic agent, concretely comprises the following steps:
(1) first, mud puts into cobblestone, double-shaft mixers processes 20min, is crushed to the granule of 10mm diameter subsequently；
(2) then, granule is mixed homogeneously with hydroxyacetic acid, at 28 DEG C, after constant speed stirring, obtain mixture I；
(3) secondly, mixture I carries out sonic oscillation process, and the power that sonic oscillation processes is 450W, and the time is 55 minutes, obtains mixtures II；
(4) then, mixtures II is carried out atomization process, carries out constant temperature stirring with polyether modified silicon oil, barium sulfide subsequently；Oven drying at low temperature pelletize at a temperature of being subsequently placed at 6 DEG C, obtains dichloroethylene Contaminated Sewage Sludge inorganic agent.
Comparative example 3
A kind of dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: 28 parts of nano modification mud, cobblestone 18 parts, dioctyl phthalate 20 parts, polyglycol distearate 10 parts, hydroxyacetic acid 6 parts, polyether modified silicon oil 4 parts, barium sulfide 0.3 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave；The mesh number of described cobblestone is 800 mesh；The mesh number of described barium sulfide is 800 mesh.
The preparation method of described dichloroethylene Contaminated Sewage Sludge inorganic agent, concretely comprises the following steps:
(1) first, nano modification mud puts into cobblestone and dioctyl phthalate, double-shaft mixers processes 20min, is crushed to the granule of 10mm diameter subsequently；
(2) then, granule is mixed homogeneously with polyglycol distearate, hydroxyacetic acid, at 28 DEG C, after constant speed stirring, obtain mixture I；
(3) then, mixture I is carried out atomization process, carries out constant temperature stirring with polyether modified silicon oil, barium sulfide subsequently；Oven drying at low temperature pelletize at a temperature of being subsequently placed at 6 DEG C, obtains dichloroethylene Contaminated Sewage Sludge inorganic agent.
Test experience
Excavator is utilized to excavate polluting soil to be repaired, after dichloroethylene Contaminated Sewage Sludge inorganic agent in above-described embodiment 1-5 and comparative example 1-3 is added on the inorganic agent of surface applying 2cm thickness of contaminated soil, the soil that polluted soil top layer 20cm is thick is mixed homogeneously by the way of turning over the inorganic agent of applying, after 10 days, carry out sampling monitoring, test result chart 1.
As can be seen here, in the embodiment of the present invention, the dichloroethylene Contaminated Sewage Sludge inorganic agent of preparation, has more preferable notable treatment effect with contrast groups example ratio, and the present invention can make the physical and chemical index by dichloroethylene 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 of sludge treating agent, 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 without departing from the spirit or essential characteristics 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, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in the present invention.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (7)
1. a dichloroethylene Contaminated Sewage Sludge inorganic agent, it is characterized in that, according to the primary raw material of weight portion be: nano modification mud 25-30 part, cobblestone 15-20 part, dioctyl phthalate 15-25 part, polyglycol distearate 8-12 part, hydroxyacetic acid 4-8 part, polyether modified silicon oil 2-6 part, barium sulfide 0.2-0.4 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave.
Dichloroethylene Contaminated Sewage Sludge inorganic agent the most according to claim 1, it is characterized in that, described dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: nano modification mud 26-29 part, cobblestone 16-19 part, dioctyl phthalate 18-22 part, polyglycol distearate 9-11 part, hydroxyacetic acid 4-8 part, polyether modified silicon oil 2-6 part, barium sulfide 0.2-0.4 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave.
Dichloroethylene Contaminated Sewage Sludge inorganic agent the most according to claim 1 and 2, it is characterized in that, described dichloroethylene Contaminated Sewage Sludge inorganic agent, according to the primary raw material of weight portion be: 28 parts of nano modification mud, cobblestone 18 parts, dioctyl phthalate 20 parts, polyglycol distearate 10 parts, hydroxyacetic acid 6 parts, polyether modified silicon oil 4 parts, barium sulfide 0.3 part；The preparation method of described nano modification mud: first silicone oil, polyethyl acrylate, isoprene mixed and carry out vacuum filtration and process and obtain mixture, then carries out reacting i.e. obtaining nano modification mud with mixture by aluminium oxide, mud under microwave.
Dichloroethylene Contaminated Sewage Sludge inorganic agent the most according to claim 3, it is characterised in that the mesh number of described cobblestone is 800 mesh.
Dichloroethylene Contaminated Sewage Sludge inorganic agent the most according to claim 3, it is characterised in that the mesh number of described barium sulfide is 800 mesh.
6. the preparation method of the dichloroethylene Contaminated Sewage Sludge inorganic agent as described in claim 1-5 is arbitrary, it is characterised in that concretely comprise the following steps:
(1) first, nano modification mud puts into cobblestone and dioctyl phthalate, double-shaft mixers processes 20min, is crushed to the granule of 10mm diameter subsequently；
(2) then, granule is mixed homogeneously with polyglycol distearate, hydroxyacetic acid, at 28 DEG C, after constant speed stirring, obtain mixture I；
(3) secondly, mixture I carries out sonic oscillation process, and the power that sonic oscillation processes is 300-600W, and the time is 50-60 minute, obtains mixtures II；
(4) then, mixtures II is carried out atomization process, carries out constant temperature stirring with polyether modified silicon oil, barium sulfide subsequently；Oven drying at low temperature pelletize at a temperature of being subsequently placed at 6 DEG C, obtains dichloroethylene Contaminated Sewage Sludge inorganic agent.
The preparation method of dichloroethylene Contaminated Sewage Sludge inorganic agent the most according to claim 6, it is characterised in that the power that in step (3), sonic oscillation processes is 450W, and the time is 55 minutes.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853770A (en) * | 2005-04-27 | 2006-11-01 | 李兆辉 | Modified adsorbent for oil component in water, its production and adsorber |
| CN101357798A (en) * | 2007-07-31 | 2009-02-04 | 深圳市邦友通科技有限公司 | Heavy metal wastewater purificant |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1853770A (en) * | 2005-04-27 | 2006-11-01 | 李兆辉 | Modified adsorbent for oil component in water, its production and adsorber |
| CN101357798A (en) * | 2007-07-31 | 2009-02-04 | 深圳市邦友通科技有限公司 | Heavy metal wastewater purificant |
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