CN107639111A - A kind of restorative procedure of soil - Google Patents
A kind of restorative procedure of soil Download PDFInfo
- Publication number
- CN107639111A CN107639111A CN201711155230.5A CN201711155230A CN107639111A CN 107639111 A CN107639111 A CN 107639111A CN 201711155230 A CN201711155230 A CN 201711155230A CN 107639111 A CN107639111 A CN 107639111A
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- China
- Prior art keywords
- soil
- conveying blade
- spiral conveying
- repairing agent
- shell
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
- B09C1/065—Reclamation of contaminated soil thermally by pyrolysis
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of soil remediation method, when the device is in operation, device is placed on contaminated soil, spiral conveying blade rotates with the rotation of rotary shaft, the caking of contaminated soil is stirred broken by spiral conveying blade, in the presence of ultraviolet lamp, photochemical catalyst reaction fully occurs, so as to eliminate organic pollution；Additive in soil-repairing agent storage warehouse is soil-repairing agent, the mixture of UHA and nano titanium dioxide powder, with the heavy metal ion contained in soil chelatropic reaction can occur for soil-repairing agent, generate metal complex, UHA can get up scattered soil particle cementation, form the good crumb structure of water stability, nano titanium dioxide powder can be contacted sufficiently with being repaired soil, the nano titanium dioxide powder stayed in soil can effectively catch remaining organic pollution and virus in soil, further increase the adequacy of light-catalyzed reaction, and strengthen the feature after soil is repaired.
Description
Technical field
The invention belongs to environmental protection technical field, and in particular to a kind of photocatalysis soil remediation method.
Background technology
Soil pollution can be caused by many things, including in such as natural soils environment it is non-natural caused by material deposit
.Pollution can be infiltrated into because of the leakage of such as buried tank, the use of insecticide, polluted surface water subsurface formations, oil and
Fuel draining, the waste of refuse landfill leaches or industrial waste is directly discharged to soil and caused.See in contaminated soil
Some Common materials include petroleum hydrocarbon, solvent, insecticide, lead and other heavy metals.Wherein, being primarily referred to as of soil organic contamination
Learn to farm the pollution of medicine, it can make composition of the soil and physicochemical property change, and then destroy the normal composition of soil, finally may be used
By the process such as the absorption of plant and the accumulation of food chain, and then health is formed and endangered, such as " three cause " effect：Cause
Disease, carcinogenic, mutagenesis.
In the prior art, the minimizing technology of pin organic polluted soil is to utilize adsorbing, being contaminated soil for activated carbon
Discarded or heating etc., but pollutant is simply departed from into soil mostly, substantially it is not carried out thoroughly eliminating organic contamination
Thing.Even with photochemical catalytic oxidation principle, also tend to contact with photochemical catalyst not abundant enough because being repaired soil, still remain
Many pollutants, the effect of soil remediation are undesirable.
And soil remediation means of the prior art cause the degeneration of soil function more, so the dirt in soil should be removed
Thing is contaminated, ensure that soil function turns into again needs to solve the problems, such as in the prior art.
The content of the invention
It is an object of the invention to provide a kind of photocatalysis soil remediation method, to solve what is proposed in above-mentioned background technology
Problem.
To achieve the above object, the present invention provides following technical scheme：A kind of photocatalysis soil remediation method, is urged using light
Change soil restoring device and carry out soil remediation, described device includes shell, control device, rotary shaft, heating muff, light transmission film
With ultraviolet lamp etc., the shell is the frame structure of lower open, and control device is arranged on the lateral wall of shell, described turn
The both ends of moving axis and the transmission parts being arranged on housing interior side-wall are longitudinally connected, and the transmission parts are with being arranged in control device
Motor electrical connection, the transmission parts are switched by motor and controlled, and heating muff is fixedly installed on outside rotary shaft, with
Control device electrical connection is controlled by heater switch, spiral conveying blade is additionally provided with the outside of the heating muff, this is spiral
The maximum rotating diameter of conveying blade is arranged at outer less than shell perpendicular to the laterally wide of rotary shaft, the light transmission film covering
The top of shell, ultraviolet lamp are arranged on the madial wall of shell, and are electrically connected with control device, and are switched and controlled by ultraviolet lamp
System.Be also covered with photocatalytic coating on spiral conveying blade, when the device is in operation, by device be placed in contaminated soil it
On, motor switch, heater switch and ultraviolet lamp switch are separately turned on, spiral conveying blade is with the rotation of rotary shaft
And rotate, the caking of contaminated soil is stirred broken, organic contaminants in soil and spiral conveying leaf by spiral conveying blade
The photocatalytic coating contact area increase covered on piece, heating muff heats and transfers heat to spiral conveying blade, heat with
Reach the soil being stirred, make some organic pollutants under high temperature action, depart from soil, while in the effect of ultraviolet lamp
Under, photochemical catalyst reaction fully occurs, so as to eliminate organic pollution；Soil remediation is additionally provided with above the control device
Agent storage warehouse, the top of the soil-repairing agent storage warehouse is opening, and bottom sets discharging opening, motor-driven valve is provided with discharging opening
Door, the electrically operated valve electrically connects with control device by electrically operated valve switch control, and discharging opening is to the direction of spiral conveying blade
Soil-repairing agent is discharged, in the case where spiral conveying blade rotates, uniformly stirs in soil, stores up soil-repairing agent
Additive in storage more fully mixes with soil；Additive in soil-repairing agent storage warehouse is soil-repairing agent, corruption
The mixture of uraturia element and nano titanium dioxide powder is grown, soil-repairing agent can occur with the heavy metal ion contained in soil
Chelatropic reaction, metal complex is generated, the complex compound is not soluble in water, and UHA can be a kind of cementing agent, can handle
Scattered soil particle cementation gets up, and forms the good crumb structure of water stability, improves soil enzyme activity, nano titanium dioxide powder
Sufficiently it can be contacted with being repaired soil, the nano titanium dioxide powder stayed in soil can effectively catch in soil and remain
Remaining organic pollution and virus, further increase the adequacy of light-catalyzed reaction, and strengthen the work(after soil is repaired
Can property；Wherein soil-repairing agent includes following component by weight：
Di-n-octyl sebacate 10-18
1,4- lupetazins 6-12
Salicin 7-13
4- (2,6,6- trimethyl-2- cyclo-octene-1- bases)-3- butene-2 -one 2-8
4- aminoisoquinolines 0.8-2
Deionized water 20-40.
Preferably, equally distributed circular protrusions are provided with the spiral conveying blade, the convex surfaces scribble light
Catalyst coatings.
Preferably, photocatalyst layer is provided with the inner surface of the light transmission film, the photocatalyst layer is specially aluminum
Network structure, internal additive are nano titania silk.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）The invention drives spiral conveying blade to rotate using rotary shaft, so as to sufficiently stir contaminated soil, the spiral shell
Covered with photocatalytic coating on rotating conveying blade, in the presence of ultraviolet lamp, considerably increase contaminated soil and urged with light
The contact area of agent, improve the efficiency to soil remediation；UHA and titanium dioxide are added in soil-repairing agent,
Under the stirring action of spiral conveying blade, the feature of soil is not only increased, and titania powder and soil are abundant
Contact, further strengthens photocatalysis effect.
（2）The heavy metal contained in soil and di-n-octyl sebacate, 4- (2,6,6- trimethyl -2- cyclo-octene -1- bases) -3-
Five kinds of butene-2 -one, Isosorbide-5-Nitrae-lupetazin, salicin, 4- aminoisoquinolines materials produce synergy, are combined by metal
The inducing action of peptide makes heavy metal ion that chelatropic reaction occur, can be with the various heavy such as copper, zinc, lead, chromium, cadmium, platinum, silver, gold
Ion produces chelation, generates metal complex, the complex compound is not soluble in water, can be removed by centrifuging operation.
Its removal efficiency of heavy metals is up to 99.3%.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is A-A directional profile figures in Fig. 1 of the present invention.
In figure：1 shell, 2 control devices, 3 rotary shafts, 4 heating muffs, 5 light transmission films, 6 ultraviolet lamps, 7 motors
Switch, 8 heater switch, 9 spiral conveying blades, 10 ultraviolet lamps switch, 11 projections, 12 photocatalyst layers, 13 discharging openings, 14
Soil-repairing agent storage warehouse, 15 electrically operated valves, 16 electrically operated valves switch.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1
Fig. 1 and Fig. 2 are referred to, the present embodiment is by shell 1, control device 2, rotary shaft 3, heating muff 4, light transmission film 5 and purple
Outer smooth lamp 6 forms, and the shell 1 is the frame structure of lower open, and control device 2 is arranged on the lateral wall of shell 1, described
The both ends of rotary shaft 3 and the transmission parts being arranged on the madial wall of shell 1 are longitudinally connected, and the transmission parts are with being arranged on control dress
The motor electrical connection in 2 is put, and the transmission parts are fixedly installed on rotation by the control of motor switch 7, heating muff 4
Outside axle 3, and electrically connect with control device 2 and controlled by heater switch 8, the outside of the heating muff 4 is additionally provided with spiral defeated
Blade 9 is sent, ultraviolet lamp 6 is arranged on the madial wall of shell 1, and is electrically connected with control device 2, and switchs 10 by ultraviolet lamp
Control, the maximum rotating diameter of spiral conveying blade 9 be limited to shell 1 within the transverse width of rotary shaft 3, institute
State light transmission film 5 and cover the top for being arranged at shell 1, photocatalytic coating is also covered with the spiral conveying blade 9, when
When device operates, the present apparatus is placed on contaminated soil, is separately turned on motor switch 7, heater switch 8 and ultraviolet light
Lamp switch 10, spiral conveying blade 9 are rotated with the rotation of rotary shaft 3, and the caking of contaminated soil is spirally conveyed
The agitation of blade 9 is opened, and heating muff 4 heats and transfers heat to spiral conveying blade 8, and heat reaches the soil being stirred, made therewith
Some organic pollutants depart from soil, in the presence of ultraviolet lamp 6, with the spiral overlying of conveying blade 9 under high temperature action
The photocatalytic coating reaction of lid, so as to eliminate organic pollution；The spiral conveying blade 9 is by wolfram steel or chromium steel material
Hard alloy is made, and causes spiral conveying blade 9 when stirring contaminated soil from the high steel alloy of intensity, more fully,
And soil should not lump, organic contaminants in soil is set to increase with photocatalytic coating contact area；The control device 2 it is upper
Side is additionally provided with soil-repairing agent storage warehouse 14, and the top of the soil-repairing agent storage warehouse 14 is opening, and bottom sets discharging opening
13, the discharging opening 13 is arranged on the madial wall of shell 1 of the side of soil-repairing agent storage warehouse 14, and is located at spiral conveying blade
Above in the of 9, electrically operated valve 15 is provided with discharging opening 13, the electrically operated valve 15 electrically connects with control device 2 to be switched by electrically operated valve
16 controls, discharging opening 13 discharge soil-repairing agent to the direction of spiral conveying blade 9, in the rotation of spiral conveying blade 9
In the case of, uniformly stir in soil, the additive in soil-repairing agent storage warehouse 14 is more fully mixed with soil；
Additive in the soil-repairing agent storage warehouse 14 is the mixed of soil-repairing agent, UHA and nano titanium dioxide powder
Compound, humic acid can flocculate, and turn into a kind of cementing agent, scattered soil particle cementation can be got up, and it is good to form water stability
Crumb structure, improve soil enzyme activity, nano titanium dioxide powder can contact sufficiently with being repaired soil, stay in soil
Nano titanium dioxide powder in earth can effectively catch remaining organic pollution and virus in soil, further increase
The adequacy of light-catalyzed reaction, and strengthen the feature after soil is repaired；
Wherein soil-repairing agent includes following component by weight：
Di-n-octyl sebacate 10-18
1,4- lupetazins 6-12
Salicin 7-13
4- (2,6,6- trimethyl-2- cyclo-octene-1- bases)-3- butene-2 -one 2-8
4- aminoisoquinolines 0.8-2
Deionized water 20-40.
Equally distributed circular protrusions 11 are provided with the spiral conveying blade 9, the surface of projection 11 scribbles light and urged
Change coating, projection adds the surface area of photocatalytic coating on spiral conveying blade 9, makes organic contaminants in soil and light
Catalyst coat contact area increases, and further improves the efficiency for removing pollutant in soil.
Embodiment 2
Fig. 1 and Fig. 2 are referred to, is provided with photocatalyst layer 12 on the inner surface of the light transmission film 5 in the present embodiment, the light
Catalyst layer 12 is specially aluminum network structure, and internal additive is nano titania silk, and other parts and its connection are closed
System and all same of embodiment 1；The photocatalyst layer 12 increases the contact area of organic pollution and photochemical catalyst, can catch
The heated aerial organic pollution of volatilization, in the presence of ultraviolet lamp 6, elimination is attached on photocatalyst layer 12
Organic pollution, improve the efficiency for removing pollutant in soil.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (1)
1. a kind of restorative procedure of soil, soil remediation is carried out using photocatalysis soil restoring device, described device include shell,
Control device, rotary shaft, heating muff, light transmission film and ultraviolet lamp etc., the shell are the frame structure of lower open, are controlled
Device processed is arranged on the lateral wall of shell, the both ends of the rotary shaft and the transmission parts longitudinal direction being arranged on housing interior side-wall
Connection, the transmission parts are electrically connected with the motor being arranged in control device, and the transmission parts are switched by motor and controlled
System, heating muff are fixedly installed on outside rotary shaft, electrically connect with control device and controlled by heater switch, outside the heating muff
Side is additionally provided with the spiral conveying blade made of wolfram steel or chromium steel material, the maximum rotating diameter of the spiral conveying blade
Less than the transverse width perpendicular to rotary shaft of shell, the light transmission film covering is arranged at the top of shell, and ultraviolet lamp is set
It is placed on the madial wall of shell, and is electrically connected with control device, and is switched and controlled by ultraviolet lamp, it is characterised in that：Spirally
Equally distributed circular protrusions are provided with conveying blade, the convex surfaces scribble photocatalysis coating, when photocatalysis soil remediation
When device operates, it is placed on contaminated soil, is separately turned on motor switch, heater switch and ultraviolet lamp and opens
Close, spiral conveying blade is rotated with the rotation of rotary shaft, and the caking of contaminated soil is stirred by spiral conveying blade to be broken
Broken, organic contaminants in soil increases with the photocatalytic coating contact area covered on spiral conveying blade, heating muff
Heat and transfer heat to spiral conveying blade, heat reaches the soil being stirred therewith, some organic pollutants is made in high temperature
Under, depart from soil, while in the presence of ultraviolet lamp, photochemical catalyst reaction fully occurs, so as to eliminate organic pollution；
Soil-repairing agent storage warehouse is additionally provided with above the control device, the top of the soil-repairing agent storage warehouse is opening, under
Portion is provided with discharging opening, and electrically operated valve is provided with discharging opening, and the electrically operated valve electrically connects with control device to be opened by electrically operated valve
Control is closed, discharging opening discharges soil-repairing agent to the direction of spiral conveying blade, in the situation of spiral conveying blade rotation
Under, uniformly stir in soil, the additive in soil-repairing agent storage warehouse is more fully mixed with soil；Soil is repaiied
Additive in multiple agent storage warehouse is the mixture of soil-repairing agent, UHA and nano titanium dioxide powder；Soil is repaiied
With the heavy metal ion contained in soil chelatropic reaction can occur for multiple agent, generate metal complex, the complex compound is not soluble in water；
UHA is a kind of cementing agent, scattered soil particle cementation can be got up, and forms the good crumb structure of water stability, improves soil
Earth structural behaviour；Nano titanium dioxide powder sufficiently contacts with being repaired soil, the nanometer titanium dioxide titanium valve stayed in soil
End can effectively catch remaining organic pollution and virus in soil, further increase the adequacy of light-catalyzed reaction；
Wherein soil-repairing agent includes following component by weight：
Di-n-octyl sebacate 10-18
1,4- lupetazins 6-12
Salicin 7-13
4- (2,6,6- trimethyl-2- cyclo-octene-1- bases)-3- butene-2 -one 2-8
4- aminoisoquinolines 0.8-2
Deionized water 20-40.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155230.5A CN107639111A (en) | 2016-01-14 | 2016-01-14 | A kind of restorative procedure of soil |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711155230.5A CN107639111A (en) | 2016-01-14 | 2016-01-14 | A kind of restorative procedure of soil |
| CN201610021500.2A CN105457999B (en) | 2016-01-14 | 2016-01-14 | A kind of photocatalysis soil remediation method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610021500.2A Division CN105457999B (en) | 2016-01-14 | 2016-01-14 | A kind of photocatalysis soil remediation method |
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| Publication Number | Publication Date |
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| CN107639111A true CN107639111A (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711155230.5A Withdrawn CN107639111A (en) | 2016-01-14 | 2016-01-14 | A kind of restorative procedure of soil |
| CN201711155615.1A Withdrawn CN107755423A (en) | 2016-01-14 | 2016-01-14 | A kind of photocatalysis soil remediation method |
| CN201711155382.5A Active CN107639113B (en) | 2016-01-14 | 2016-01-14 | A kind of soil remediation method |
| CN201711155612.8A Active CN107755422B (en) | 2016-01-14 | 2016-01-14 | A kind of photocatalysis soil remediation method |
| CN201711155236.2A Withdrawn CN107639112A (en) | 2016-01-14 | 2016-01-14 | A kind of photocatalysis restorative procedure of soil |
| CN201610021500.2A Active CN105457999B (en) | 2016-01-14 | 2016-01-14 | A kind of photocatalysis soil remediation method |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
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| CN201711155615.1A Withdrawn CN107755423A (en) | 2016-01-14 | 2016-01-14 | A kind of photocatalysis soil remediation method |
| CN201711155382.5A Active CN107639113B (en) | 2016-01-14 | 2016-01-14 | A kind of soil remediation method |
| CN201711155612.8A Active CN107755422B (en) | 2016-01-14 | 2016-01-14 | A kind of photocatalysis soil remediation method |
| CN201711155236.2A Withdrawn CN107639112A (en) | 2016-01-14 | 2016-01-14 | A kind of photocatalysis restorative procedure of soil |
| CN201610021500.2A Active CN105457999B (en) | 2016-01-14 | 2016-01-14 | A kind of photocatalysis soil remediation method |
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| CN (6) | CN107639111A (en) |
Cited By (1)
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| CN108101324A (en) * | 2016-01-25 | 2018-06-01 | 金华知产婺源信息技术有限公司 | A kind of mud decrement disinfects system |
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| CN107639111A (en) * | 2016-01-14 | 2018-01-30 | 项敬来 | A kind of restorative procedure of soil |
| CN106363016B (en) * | 2016-09-12 | 2018-11-23 | 河海大学 | Integrated soil remediation photo catalysis reactor |
| CN108192628B (en) * | 2017-12-12 | 2020-07-28 | 河北麦森钛白粉有限公司 | Preparation method of titanium dioxide-loaded continuous tillage soil remediation agent |
| CN108435782B (en) * | 2018-03-23 | 2021-05-25 | 河南科技大学 | Remediation method for heavy metal pollution of soil |
| CN109201725A (en) * | 2018-08-24 | 2019-01-15 | 盐城英贝吉环保科技有限公司 | A kind of contaminated soil remediation device |
| CN110026427B (en) * | 2019-03-30 | 2021-08-03 | 陕西欣捷特环保生物科技有限公司 | Organic contaminated soil remediation system based on photocatalysis |
| CN110116127A (en) * | 2019-05-20 | 2019-08-13 | 淮阴工学院 | A kind of soil remediation method based on modified attapulgite |
| CN110227707A (en) * | 2019-05-30 | 2019-09-13 | 南京工业大学 | Two-stage combined self-cleaning spiral thermal desorption device for organic contaminated soil |
| CN112808763B (en) * | 2021-03-05 | 2022-04-05 | 生态环境部南京环境科学研究所 | Device and method for restoring and comprehensively treating soil in pesticide-polluted site |
| CN112982090B (en) * | 2021-04-25 | 2022-07-19 | 哈尔滨学院 | Photocatalytic oxidation pavement soil restoration spreading device |
| CN116441301B (en) * | 2023-06-15 | 2023-10-31 | 广东万山环境科技有限公司 | Industrial site soil remediation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101324A (en) * | 2016-01-25 | 2018-06-01 | 金华知产婺源信息技术有限公司 | A kind of mud decrement disinfects system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107639113A (en) | 2018-01-30 |
| CN107755423A (en) | 2018-03-06 |
| CN105457999A (en) | 2016-04-06 |
| CN107639113B (en) | 2018-05-29 |
| CN105457999B (en) | 2018-02-06 |
| CN107639112A (en) | 2018-01-30 |
| CN107755422B (en) | 2018-08-17 |
| CN107755422A (en) | 2018-03-06 |
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