CN105149336B - A kind of soil remediation method and soil remediation equipment - Google Patents
A kind of soil remediation method and soil remediation equipment Download PDFInfo
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- CN105149336B CN105149336B CN201510634000.1A CN201510634000A CN105149336B CN 105149336 B CN105149336 B CN 105149336B CN 201510634000 A CN201510634000 A CN 201510634000A CN 105149336 B CN105149336 B CN 105149336B
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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
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Abstract
The present invention relates to soil remediation field, specifically discloses a kind of soil remediation method and soil remediation equipment.Soil remediation equipment provided by the invention, including the container of soil can be accommodated, the electrode for two kinds of polarity being arranged in container, it is arranged on the double layer screen wall that the negotiable pollutant between the electrode of two kinds of polarity can prevent chemical reagent from circulating again.Electric repairing technique and oxidation/reduction technology can be combined by soil remediation equipment provided by the invention, electric field is set on contaminated soil to be processed is needed, by contaminants, can be by contaminant degradation or the chemical reagent of passivation in the soil region addition of aggregation pollutant, chemical reagent goes down depollution thing in the effect that continues of electric field.This method, repairing efficiency is short, repairs thoroughly and chemical reagent usage amount is few, be not in secondary pollution.
Description
Technical field
The present invention relates to soil remediation field, more particularly to a kind of soil remediation method and soil remediation equipment.
Background technology
With industry restructuring and modern urbanization process, positioned at the chemical plant in urban district, oil plant, pharmaceutical factory and its
He arrives suburb at factory's resettlement, under being left due to long-term solid waste accumulation, discharge of wastewater and atmosphere dried wet deposition etc. in genuine area
Substantial amounts of industry organic or heavy metal pollution place and soil.In place groups of contaminants into it is complicated, contaminative is strong, concentration is high, be
Potential pollution sources, and the stronger intermediate product of some toxicity can be produced in the environment, if cannot get timely processing for a long time,
Soil Surrounding and surface water even underground water can be polluted, can also by drinking water or by soil-plant system, via
Food chain enters human body, jeopardizes ecological safety and population health.Therefore, organic or heavy metal pollution place reparation is compeled in eyebrow
Eyelash.
At present, contaminated site and soil restoring technology include physics, chemistry and the diversified forms such as biological prosthetic.It is however, existing
The most of restorative procedure and equipment having are because its cost height causes application narrow, it is impossible to meet a large amount of heavily contaminated site remediations
Need.
Wherein, electric repairing technique is considered as the effective technology for solving soil pollution, and its general principle is to utilize electric field
The bioavailability of pollutant, the active of microorganism or direct mineralising have in caused various electrokinesis enhancing underground environments
Machine thing.Because the technology has, simple to operate, removal efficiency is high, can in-situ immobilization, to soil environment destroy it is small the features such as, by
The extensive concern of domestic and international soil remediation expert is arrived, but it can produce the problem of anode is acidified, cause soil during reparation
Earth pH value it is unbalanced, edaphon is had a great influence, and traditional electric repairing technique using orientation electric field operational mode,
Electric field effective rate of utilization is relatively low, influences its practical application.
Oxidation/reduction technology is a kind of ripe soil remediation chemical technology, by contaminated soil add oxidant or
Reducing agent, using oxidation or reduction reaction, the pollutant in soil is set to be converted into the less material of nontoxic or relative toxicity.It is common
Oxidant include permanganate, hydrogen peroxide, Fenton reagent, persulfate and ozone.Common reducing agent includes Lian Erya
Sodium sulphate, sodium hydrogensulfite, ferrous sulfate, calcium polysulfide, ferrous iron, Zero-valent Iron etc..Wherein, chemical oxidation can handle oil
Hydrocarbon, BTEX (benzene, toluene, ethylbenzene, dimethylbenzene), phenols, MTBE (methyl tertiary butyl ether(MTBE)), chloro-carbon solvent, polycyclic aromatic hydrocarbon, agriculture
Most of organic matter such as medicine；Electronation can handle heavy metal classes (such as Cr VI) and chlorinatedorganic.At Fenton reagent
Exemplified by managing organic polluted soil, Fenton reagent is swift in response, and processing is thorough.But the technical bottleneck of the technology in soil for fear of existing
The material such as organic matter competition be present to hydroxyl radical free radical and consume, while hydrogen peroxide enter soil after the existing time it is short, disappear
Consumption is huge, if use on a large scale, heavy dose of easily causes the secondary pollution of soil.
The content of the invention
It is contemplated that overcome soil remediation method of the prior art, repairing efficiency length, exist repair it is not thorough or
Situations such as secondary pollution be present, have impact on its practical application, there is provided a kind of repairing efficiency is short, repairs thoroughly and chemical reagent uses
Amount is few, is not in the soil remediation method and soil remediation equipment of secondary pollution.
To achieve the above object, the present invention uses following technical scheme：
The invention provides a kind of soil remediation method, this method, which is included on the contaminated soil that need to be handled, sets electricity
, can be by contaminant degradation or the chemical reagent of passivation in the soil region addition of aggregation pollutant by contaminants, chemistry
Reagent goes down depollution thing in the effect that continues of electric field.
In some embodiments, the method for above-mentioned setting electric field is included in soil center and sets central electrode, in soil
Periphery sets the polarity all electrode opposite with central electrode.
In some embodiments, negotiable pollution sources are additionally provided between above-mentioned central electrode and all electrodes can prevent chemistry again
The double layer screen wall of reagent circulation, for limiting the soil region of aggregation pollution sources.
In some embodiments, above-mentioned can be oxidant or reducing agent by the chemical reagent of contaminant degradation；It is above-mentioned can be by dirt
The chemical reagent for contaminating thing passivation is passivator.
Present invention also offers the soil remediation equipment that a kind of above-mentioned soil remediation method is used, the equipment includes accommodating
The container of soil, the electrode for two kinds of polarity being arranged in container, the negotiable pollution being arranged between the electrode of two kinds of polarity
Source can prevent the double layer screen wall that chemical reagent circulates again.
In some embodiments, the electrode of above two polarity includes the central electrode for being arranged on container center, in container
The polarity all electrode opposite with central electrode that wall periphery is set；Double layer screen wall includes the external shield wall relative with all electrodes,
The inner shield wall relative with central electrode, the external shield wall and inner shield wall can relatively rotate；External shield wall and inner shield wall
On be provided with the opening that can be docked, can close opening by rotating external shield wall and/or inner shield wall.
In some embodiments, above-mentioned central electrode and all electrodes are bar electrode, wherein, central electrode is one, and week is electric
It is extremely multiple, and be uniformly distributed along container inner wall periphery.
In some embodiments, the aperture of above-mentioned opening is 0.5-2cm.
In some embodiments, above-mentioned soil remediation equipment also includes the power supply electrically connected with the electrode of two kinds of polarity.
In some embodiments, above-mentioned power supply can provide direct current, and the voltage of direct current is not higher than 60V.
In some embodiments, electrode controller, the electrode are additionally provided between the electrode and power supply of above two polarity
Controller includes the breaker of the dipole inversion of energy coordination electrode and the time controller of the conversion time of energy coordination electrode.
In some embodiments, the inwall of above-mentioned double layer screen wall is provided with reagent injection groove.
The present invention is additionally provided and the contaminated soil that need to be handled is repaired using above-mentioned soil remediation equipment simultaneously
Soil remediation method.
The beneficial effects of the present invention are：Electric repairing technique and oxidation/reduction technology are combined by the present invention, in electro-catalysis
Under conditions of amplify the effect of chemical oxidation/reduction medicament or passivator, and pollutant can be accelerated by electrochemical reaction
Remove or degrade, degradation speed is fast, and degraded is thorough, is one, soil remediation field innovative technology.Particularly the present invention will
Contaminants, the scope that chemical reagent adds and the amount added can be effectively controlled, while the high concentration of pollution sources also accelerates
The progress of reaction, can not only reduce cost, and can guarantee that soil will not be secondary polluted.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of one embodiment of soil remediation equipment provided by the invention.
Fig. 2 is the structural representation for the soil remediation equipment that Fig. 1 is provided.
1. container；2. double layer screen wall；3. reagent injects groove；
4. central electrode；5. week electrode；6. power supply；7. electrode controller；
21. external shield wall；22. inner shield wall
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instruction such as " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer "
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more,
Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool connects or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
The invention provides a kind of soil remediation method, this method, which is included on the contaminated soil that need to be handled, sets electricity
, contaminants can exist the chemical reagent of contaminant degradation, chemical reagent in the soil region addition of aggregation pollutant
The effect that continues of electric field is gone down depollution thing.
In one embodiment of the present of invention, for efficient, controllable aggregation pollutant, the method for electric field is set to be included in soil
Earth center sets central electrode, the polarity all electrode opposite with central electrode is set on soil periphery, by contaminants
In the centre of soil, soil center herein refers to the approximate centre of soil section.
In one embodiment of the present of invention, for high-efficiency accumulation pollutant and secondary dirt of the chemical reagent to soil is prevented
Dye, the double layer screen that negotiable pollutant can prevent chemical reagent from circulating again is additionally provided between central electrode and all electrodes
Wall, for limiting the soil region of aggregation pollutant, by electric field action, contaminants are enclosed in the week of central electrode
Side, the soil region addition chemical reagent for the high density pollution thing closed herein carry out efficient degradation to pollutant.It is general double-deck
The distance between barrier shield and central electrode are less than the 3/4 of all electrodes and central electrode distance.
Can be oxidant or reducing agent by the chemical reagent of contaminant degradation, according to dirt in one embodiment of the present of invention
The species of dye thing is selected, for example, can add oxidant when pollutant can be oxidized degraded, oxidant can include height
Manganate, hydrogen peroxide, Fenton reagent, persulfate and ozone etc.；Reduction can be added when pollutant can be reduced degraded
Agent, reducing agent can include sodium dithionite, sodium hydrogensulfite, ferrous sulfate, calcium polysulfide, ferrous iron, Zero-valent Iron etc..It is logical
Electrochemical oxidation or reduction are crossed, the pollutant in soil is converted into the less material of nontoxic or relative toxicity.Oxidant
Can be with decomposing petroleum hydrocarbon, BTEX (benzene, toluene, ethylbenzene, dimethylbenzene), phenols, MTBE (methyl tertiary butyl ether(MTBE)), chloride organic molten
Most of organic matter such as agent, polycyclic aromatic hydrocarbon, agricultural chemicals；Reducing agent can degrade heavy metal classes (such as Cr VI) and chlorinatedorganic
Deng.
Can be passivator by the chemical reagent of contaminant degradation, according to the kind of pollutant in one embodiment of the present of invention
Class is selected, for example, passivator can be flyash, lime, hydroxyapatite or calcium dihydrogen phosphate etc..
Invention also provides a kind of soil remediation equipment, and as shown in Figure 1, 2, the soil remediation equipment includes accommodating
The container 1 of soil, the electrode for two kinds of polarity being arranged in container 1, the negotiable dirt being arranged between the electrode of two kinds of polarity
Dye thing can prevent the double layer screen wall 2 that chemical reagent circulates again.
In one embodiment of the present of invention, as shown in Figure 1, 2, the electrode of two kinds of polarity includes being arranged in container center
Heart electrode 4, in the polarity that the inner peripheral wall of container 1 the is set all electrode 5 opposite with central electrode, by electric field action, it will pollute
Thing is gathered in the periphery of central electrode.In the present embodiment, as illustrated, double layer screen wall 2 includes the external screen relative with all electrodes 5
Wall 21 is covered, the inner shield wall 22 relative with central electrode 4, wherein, external shield wall 21 and inner shield wall 22 can relatively rotate；This reality
Apply in example, by all setting opening on outer barrier shield 21 and inner shield wall 22, pass through external shield wall 21 and inner shield wall 22
On opening docking, realize the circulation of pollutant, these circulations closed by rotating external shield wall 21 and/or inner shield wall 22
Hole prevents chemical reagent from circulating to realize, pollutant is enclosed in into the periphery of central electrode to realize that the closing of pollutant is degraded.
Wherein, during soil remediation, soil is also filled with double layer screen wall 2, it simply realizes whole accommodate in containers of soil 1
A contaminants soil region.Double layer screen wall 2 be typically in central electrode 4 apart from 3/4 position of all electrodes 5 with
It is interior.
General opening is only needed for the circulation of pollutant, relevant with the molecular size of the pollutant of actual treatment, typically
In order to more preferably operate, opening is typically slightly larger.In the present embodiment can the aperture of preferably opening be 0.5-2cm.Opening
Density need to only realize the docking and closing of the opening on the adjustable inside and outside barrier shield of barrier shield inside and outside rotation.
In one embodiment of the present of invention, as shown in Figure 1, 2, container 1 is hydrostatic column, central electrode 4 and all electrodes 5
It is bar electrode, central electrode 4 is one, and positioned at the axle center of hydrostatic column, weeks electrode 5 is multiple, and all along the inwall of container 1
While be uniformly distributed, specifically, as illustrated, all electrodes 5 are 6, it are uniformly distributed, are centered around positioned at axle center along the inwall of container 1
Around central electrode 4, there is electric field between 6 all electrodes 5 and central electrode 4 after energization.
In the present embodiment, bar electrode is stud electrode.
Soil remediation equipment it is specifically used when, that is, be used for when repairing the contaminated soil that need to be handled, need to be by electrode
Be powered, will the electrode of two kinds of polarity electrically connected with power supply 6, typically, set according to the powered property of pollutant under the electric field
The polarity of electrode.In a particular embodiment of the present invention, it is then to be typically chosen contaminants on the periphery of central electrode 4
The polarity of central electrode 4 and pollutant powered property under the electric field are on the contrary, for example when pollutant is chlorophenesic acid, middle electrocardio
Pole 4 connects anode, and all electrodes 5 connect negative electrode；When pollutant is Cr VI, central electrode 4 connects negative electrode, and all electrodes 5 connect anode.Electrode
Connection with power supply 6 can use conventional wire, and the present invention does not limit.
The electric current of general access electrode is direct current.Can connect can directly provide the power supply 6 of direct current, the electricity of direct current
Pressure is not higher than 60V, and the voltage range of direct current is preferably greater than 0 to be less than or equal to 60V.
Conversion control device can also be set between electrode and power supply 6, such as can set and convert alternating current to directly
The device of electricity is flowed, in one embodiment of the invention, electrode controller is additionally provided between the electrode and power supply 6 of two kinds of polarity
7, wherein, electrode controller 7 include can coordination electrode dipole inversion breaker and can coordination electrode conversion time when
Between controller, to realize the polarity of the powered property control electrode according to pollutant in the electric field and the species control according to pollutant
System applies the time of electric field.Can wire be used to connect between power supply 6, electrode controller 7 and electrode.
In one embodiment of the present of invention, as shown in Figure 1, 2, the inwall of double layer screen wall 2 is additionally provided with reagent injection groove 3
For chemical reagent it is more convenient, deeper into addition contaminated soil in, the dirt migrated into double layer screen wall 2 of preferably degrading
Thing is contaminated, and addition is controllable, the present invention of reagent injection groove 3 does not limit, and can be the inwall i.e. inner shield in double layer screen wall 2
Axial direction of the inside of wall 22 along container 1 opens up groove, and the depth of groove is generally no greater than 0.8cm.
The present invention can also be provided with the upper lid sealed to container 1 simultaneously, and shape and the vessel port of upper lid adapt to,
The hole of electrode or wire can be provided for wearing on upper lid.
Invention also provides the contaminated soil that need to be handled is repaired using above-mentioned soil remediation equipment
Soil remediation method, after being powered to above-mentioned soil remediation equipment, central electrode 4 and all electrodes 5 form closed-loop path, produce electricity
, accelerate migration, removal or the degraded of pollutant using the electrokinesis of electric field, electrochemistry or electric catalyticing effect；Work as pollutant
Migrate to double layer screen within the walls, barrier shield inside and outside rotation, form closing interior room, chemical reagent is injected along reagent injection groove 3
Double layer screen in the contaminated soil of side, is strengthened the effect of chemical reagent under electrochemical catalysis, electrokinesis effect, accelerated within the walls
The removal or degraded of pollutant.
It is two specific embodiments provided by the invention below, to illustrate the selection of such scheme and its various conditions.
Embodiment 1
The present embodiment selection is by chlorophenesic acid contaminated soil as reparation object.
Human configuration is by chlorophenesic acid contaminated soil, pollutant final concentration 200mg/kg.
Configuration is fitted into container 1 by chlorophenesic acid contaminated soil, from stud as electrode, inserted according to Fig. 1
Into contaminated soil, according to the powered property of chlorophenesic acid under the electric field, central electrode 4 is set to anode in this embodiment,
All electrodes 5 are set to negative electrode, and are wired on electrode controller 7, and electrode controller 7 is wired to power supply
On 6, lid is covered.
Switch on power 6, form closed-loop path, the electro reclamation by chlorophenesic acid contaminated soil is carried out, by 3 days repair
Multiple, the pedotheque for taking double layer screen wall 2 inner and outer is analyzed, and after repairing 30 days, as a result shows two outside double layer screen wall 2
Chlorophenol 99% is entered in double layer screen wall 2, rotates the external shield wall 21 of double layer screen wall 2, opening is closed, passed through
Reagent injects groove 3 to the inner side of double layer screen wall 2 injection Fenton reagent, and by the processing of 12 hours, chlorophenesic acid recall rate was 0.
This method improves 60% than single microorganism remediation efficiency.Repaired, taken than single use Fenton reagent
Remediation efficiency equally is obtained, the usage amount of reagent reduces 30%.
Embodiment 2
The present embodiment selects hexavalent chromium polluted soil as reparation object.
Hexavalent chromium polluted soil is gathered in certain chromium slag muck, it is 187mg/kg to determine pollution concentration in soil.
It will be fitted into by hexavalent chromium polluted soil in container 1, from stud as electrode, pollution be inserted into according to Fig. 1
In soil, according to the powered property of Cr VI under the electric field, central electrode 4 is set to negative electrode in this embodiment, and all electrodes 5 are set to
Anode, and be wired on electrode controller 7, electrode controller 7 is wired on power supply 6, is covered
Lid.
Switch on power 6, form closed-loop path, the electro reclamation by hexavalent chromium polluted soil is carried out, by 2 days repair
Multiple, the sample for taking double layer screen wall 2 inner and outer is analyzed, and as a result shows that the Cr VI 100% outside double layer screen wall 2 enters
Into double layer screen wall 2, the inner shield wall 22 of double layer screen wall 2 is rotated, opening is closed, groove 3 is injected to double by reagent
Layer barrier shield 2 inner side injection ferrous sulfate reducing agent, by the processing of 4 hours, monitoring obtain Cr VI be converted into toxicity compared with
Small trivalent chromium.
This method is than single elution method efficiency high 35%；Than single electric repair method efficiency high 20%.
Embodiment 3
The soil of the present embodiment selection cadmium pollution is as reparation object.
Certain cadmium pollution soil is gathered, it is 238mg/kg to determine pollution concentration in soil.
Cadmium soil is fitted into container 1, from stud as electrode, is inserted into according to Fig. 1 in contaminated soil, according to cadmium
Powered property under the electric field, central electrode 4 are set to negative electrode in this embodiment, and all electrodes 5 are set to anode, and are connected with wire
Onto electrode controller 7, electrode controller 7 is wired on power supply 6, covers lid.
Switch on power 6, form closed-loop path, carry out the electro reclamation of the soil of cadmium pollution, by the reparation of 5 days, take double
The inner and outer sample of layer barrier shield 2 is analyzed, and as a result shows that the cadmium 100% outside double layer screen wall 2 enters double layer screen
In wall 2, the inner shield wall 22 of double layer screen wall 2 is rotated, opening is closed, groove 3 is injected into double layer screen wall 2 by reagent
Calcium dihydrogen phosphate passivator is injected in side, and by the processing of 2 hours, it was 2.3mg/kg that monitoring, which obtains cadmium residual concentration in soil,.
This method is than single elution method efficiency high 40%；Than single electric repair method efficiency high 30%.
From above-described embodiment, the present invention is combined using electric repairing technique and oxidation/reduction technology, in electro-catalysis
Under the conditions of amplify the effect of chemical oxidation/reduction medicament, and removal or the drop of pollutant by electrochemical reaction, can be accelerated
Solution, degradation speed is fast, and degraded is thorough, is one, soil remediation field innovative technology.Particularly the present invention gathers pollutant
Collection, the scope that chemical reagent adds and the amount added can be effectively controlled, while the high concentration of pollutant also accelerates entering for reaction
OK, cost can not only be reduced, and can guarantee that soil will not be secondary polluted.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from the principle and objective of the present invention
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.
Claims (6)
1. a kind of soil remediation equipment, it is characterised in that the container including soil can be accommodated, two kinds of polarity being arranged in container
Electrode, be arranged on the negotiable pollution sources between the electrode of two kinds of polarity can prevent again chemical reagent circulate double layer screen
Wall；The electrode of described two polarity includes being arranged on the central electrode of container center, the polarity that container inner wall periphery is set with
The opposite all electrodes of central electrode；
The double layer screen wall includes the external shield wall relative with all electrodes, and the inner shield wall relative with central electrode is described outer
Barrier shield and inner shield wall can relatively rotate；
The opening that can be docked is provided with the external shield wall and inner shield wall, by rotating external shield wall and/or inner shield
Wall can close opening；
The central electrode and all electrodes are bar electrode, and the central electrode is one, and all electrodes is multiple, and along appearance
Device inner peripheral wall is uniformly distributed.
2. soil remediation equipment according to claim 1, it is characterised in that the aperture of the opening is 0.5-2cm.
3. soil remediation equipment according to claim 1, it is characterised in that the soil remediation equipment also includes and two kinds
The power supply of the electrode electrical connection of polarity；
The power supply can provide direct current, and the voltage of direct current is not higher than 60V.
4. soil remediation equipment according to claim 1, it is characterised in that between the electrode and power supply of described two polarity
Electrode controller is additionally provided with, the electrode controller includes the breaker and energy coordination electrode of the dipole inversion of energy coordination electrode
Conversion time time controller.
5. soil remediation equipment according to claim 1, it is characterised in that the inwall of the double layer screen wall is provided with examination
Groove is injected in agent.
6. a kind of soil remediation method, the contaminated soil that need to be handled is repaired including the use of soil remediation equipment, its
It is characterised by, the soil remediation equipment is the soil remediation equipment described in claim 1-5 any one.
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| CN201510634000.1A CN105149336B (en) | 2015-09-29 | 2015-09-29 | A kind of soil remediation method and soil remediation equipment |
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| CN106623397A (en) * | 2016-07-11 | 2017-05-10 | 国家地质实验测试中心 | Electrodynamics-permeation reaction grid device suitable for outdoor field repair of composite polluted soil and technological process |
| CN106513433B (en) * | 2017-01-20 | 2017-12-05 | 中国地质科学院矿产资源研究所 | Electric repair turnover device for heavy metal contaminated soil |
| CN108326030B (en) * | 2018-01-11 | 2020-11-24 | 上海理工大学 | Soil heavy metal prosthetic devices of convertible array electrode |
| CN109731902A (en) * | 2019-01-17 | 2019-05-10 | 天津友爱环保科技有限公司 | A kind of movable type electrochemical soil prosthetic device |
| CN109848202B (en) * | 2019-02-28 | 2021-03-16 | 北京中岩大地科技股份有限公司 | Tower-type treatment equipment for polluted soil and waste residues |
| CN112547787B (en) * | 2020-11-25 | 2022-03-11 | 合肥学院 | Portable plasma device and method for repairing polluted soil |
| CN114160565B (en) * | 2021-12-08 | 2022-11-15 | 江苏澳洋环境科技有限公司 | Electrochemical soil improvement system |
| CN114367533A (en) * | 2022-01-18 | 2022-04-19 | 陕西省土地工程建设集团有限责任公司 | Soil remediation system and method |
| CN115365288B (en) * | 2022-09-02 | 2024-02-27 | 中南大学 | Low-temperature-driven combined heavy metal polluted soil electric restoration device and restoration method |
| CN116554888B (en) * | 2023-07-11 | 2023-10-31 | 广东万山环境科技有限公司 | Soil restoration agent suitable for heavy metal pollution of soil |
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| KR20030072052A (en) * | 2002-03-05 | 2003-09-13 | 주식회사 에코필 | dynamic galvanic |
| CN1325179C (en) * | 2005-06-09 | 2007-07-11 | 上海交通大学 | Method of electrodynamics for quick restoring soil polluted by heavy metal in situ |
| CN102941217B (en) * | 2012-11-15 | 2014-04-16 | 华北电力大学 | Electric power repairing device and method for cylindrical arrangement electrode |
| CN103286119B (en) * | 2013-06-07 | 2014-10-15 | 华北电力大学 | Device and method for restoring chlorobenzene-type organism polluted soil and underground water |
| CN204320793U (en) * | 2014-11-18 | 2015-05-13 | 青岛新天地环境保护有限责任公司 | A kind of horizontal permeable reactive barrier for soil remediation |
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