CN110038888A - A kind of multi-level prosthetic device for soil pollution - Google Patents

A kind of multi-level prosthetic device for soil pollution Download PDF

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Publication number
CN110038888A
CN110038888A CN201910303383.2A CN201910303383A CN110038888A CN 110038888 A CN110038888 A CN 110038888A CN 201910303383 A CN201910303383 A CN 201910303383A CN 110038888 A CN110038888 A CN 110038888A
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China
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soil pollution
layer
reservoir
soil
core wall
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CN201910303383.2A
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刘玉振
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Hunan City University
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Hunan City University
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Priority to CN201910303383.2A priority Critical patent/CN110038888A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/002Reclamation of contaminated soil involving in-situ ground water treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/08Reclamation of contaminated soil chemically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/08Reclamation of contaminated soil chemically
    • B09C1/085Reclamation of contaminated soil chemically electrochemically, e.g. by electrokinetics
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/10Reclamation of contaminated soil microbiologically, biologically or by using enzymes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C2101/00In situ

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Biotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Molecular Biology (AREA)
  • Mycology (AREA)
  • Processing Of Solid Wastes (AREA)
  • Cultivation Of Plants (AREA)

Abstract

The present invention relates to a kind of multi-level prosthetic devices for soil pollution, core wall including being surrounded on the setting of soil pollution region periphery, several water filling ports being set in soil pollution region, the reservoir being connected to core wall, and the water treatment facilities being connect with reservoir, water filling port is located relative to the other end of reservoir position, reservoir is located under earth's surface, the connected region of core wall and reservoir is provided with permeable reactive barrier, the upper end of core wall protrudes from the average ground level in soil pollution region, the lower end of core wall is embedded in the underground water barrier in soil pollution region.This prosthetic device can simultaneously in soil organic pollutant and heavy metal contaminants handle, handled using multilevel hierarchy, preferably polluted soil repaired.Heavy metal content in soil and organic pollutant content are enough significantly reduced, ensures ecological safety.

Description

A kind of multi-level prosthetic device for soil pollution
Technical field
The present invention relates to a kind of multi-level prosthetic devices for soil pollution.
Background technique
Heavy metal is a kind of typical environmental contaminants, and for relative atomic mass 63.5~200.6, density is greater than 5.0, There is certain poison including the significant heavy element of the bio-toxicities such as mercury, cadmium, lead, chromium and metalloid arsenic and zinc, copper, cobalt, nickel, tin etc. The general heavy metal of property.Heavy metal exists in a variety of forms in water, mainly there is ion-exchange state, metal salt reference state, organic matter Reference state and residual form etc., wherein maximum with reference state, the toxicity of exchange state, the active toxicity of remaining state is minimum, such as methyl mercury Other form toxicity than mercury are eager to excel.Heavy metal is not easy to be biodegradable, and can be enriched in vivo, such as heavy metal Cd element Carcinogen, into human body after can be detained for a long time, long half time in vivo is up to 20~40a.Mercury can be with organism Sulfydryl height in internal protein is affine, generates mercaptides, and then inhibit the synthesis of protein.Cd will lead to bone mineral density drop It is low, increase fracture Probability, human body excess intake can cause a series of lesions of each organ.
With being widely used for rapid industrial development, pesticide and chemical fertilizer, heavy metal pollution of soil is caused to get worse.With much money Belonging to pollutant cannot be by chemistry or biodegrade, the easy food chain approach that passes through in plant, and animal and people's cylinder accumulation, toxicity are big, It constitutes a serious threat to ecological environment, food safety and human health.Organic contamination is in the trend constantly deteriorated in China's soil, This kind of organic pollutant is mainly most commonly seen with chlorinated hydrocarbon pollutant.Chlorohydrocarbon is widely applied from the twentieth century middle period In industry, for the cleaning agent and organic matter solvent as electronic component.Chlorohydrocarbon once enters human body, can increase cause Cancer, teratogenesis, mutation risk, be that a kind of pair of environment and biology generate the organic pollutant that seriously affects.
Shown in sum up, develop be capable of renovation of organic pollution and heavy metal pollution simultaneously device be soil remediation field not Come the direction developed.
Summary of the invention
The invention discloses a kind of multi-level prosthetic devices for soil pollution, including are surrounded on outside soil pollution region The core wall of week setting, several water filling ports being set in soil pollution region, reservoir, the Yi Jiyu being connected to core wall The water treatment facilities of reservoir connection, water filling port are located relative to the other end of reservoir position, and reservoir is located at earth's surface Under, the connected region of core wall and reservoir is provided with permeable reactive barrier, and the upper end of core wall protrudes from soil pollution area The average ground level in domain, the lower end of core wall are embedded in the underground water barrier in soil pollution region.
The permeable reactive barrier is multi-layer compound structure in one of the embodiments, extremely by soil pollution region The direction of reservoir successively includes heavy metal process layer and organic contamination process layer.
In one of the embodiments, the organic contamination process layer by soil pollution region to reservoir direction successively Including gravel filling layer, Zero-valent Iron reaction packing layer, biological respinse packing layer and active carbon filler layer.
In one of the embodiments, filled with the filler including following parts by weight in the heavy metal process layer: steel slag 3 ~ 7 parts, 2 ~ 5 parts of activated coco nut charcoal, 0.3 ~ 0.8 part of nano-titanium dioxide.There is removal when removing removing heavy metals in single material It can open not high or be only limitted to the shortcomings that removing certain interior heavy metal component, therefore using the compound reaction-filling material of different ratio Material is to guarantee to repair the various heavy in soil.Containing the alkaline matters such as CaO in steel slag, it is easy to and heavy metal It is precipitated with organic matter.Steel slag has porous structure and good strainability and absorption property, can in water body cadmium, The elements such as lead, arsenic, mercury, phosphorus are reacted and are adsorbed, and steel slag is also good soil conditioner, can make soil pH liter Height, active silicone content increases in soil, is conducive to provide the supply of element silicon in soil.
Active carbon has multistage, a large amount of, ordered arrangement micropores, therefore Kong Rong great, aperture are big, large specific surface area, absorption Performance is strong.Active carbon has stronger adsorptivity and catalytic performance, and raw material is sufficient and highly-safe, acid and alkali-resistance, it is heat-resisting, do not dissolve in , there is stronger adsorption capacity in the advantages that water and organic solvent, Yi Zaisheng to heavy metal in water, can effectively adsorb Cd2+、Pb2+、 Cu2+Etc. heavy metal ion, have apparent clarification to water turbidity, can remove foreign odor, peculiar smell in water, also have to bacterium Fabulous filtration.
Nano-titanium dioxide can generate synergic catalytic effect to the Cr in water body, to accelerate the oxidation-of Cr in soil Reduction reaction, nano-titanium dioxide also have extremely strong adsorption capacity to the arsenic in soil.Simultaneously in soil Cd, Pb, The heavy metal elements such as Zn also have adsorption capacity.
The gravel filling layer is divided into two layers along longitudinal direction in one of the embodiments, and it is 8 that underfill, which has average grain diameter, ~ 10 millimeters of gravel, the gravel that top is 5 ~ 6 millimeters filled with average grain diameter.
In one of the embodiments, filled with the filler including following parts by weight in the Zero-valent Iron reaction packing layer: Average grain diameter is 12 ~ 14 parts of iron filings of 1 ~ 3 millimeter, and average grain diameter is 38 ~ 44 parts of quartz sand of 2 ~ 3 millimeters, pillared bentonite 1 ~ 3 Part.
In one of the embodiments, the biological respinse packing layer by soil pollution region to reservoir direction successively It is divided into three-decker, first layer is filled with coarse sand and microbial immobilized peat, and the second layer is solid filled with tourmaline and microorganism Surely change peat, third layer is filled with perlite and microbial immobilized peat, and the thickness ratio between each layer is 2:1:3.
In one of the embodiments, filled with the filler including following parts by weight in the active carbon filler layer: coconut 6 ~ 10 parts of shell active carbon, 28 ~ 36 parts of the quartz sand that average grain diameter is 2 ~ 3 millimeters, 1 ~ 2 part of bentonite, 1 ~ 2 part of flyash.Fine coal Contain a large amount of silicon, aluminum oxide in ash, also contains the oxide of a small amount of iron, it can be with adsorbate by chemical bonds, simultaneously Flyash has biggish porosity and specific surface area, using the physical absorption of flyash, chemisorption, ion exchange adsorption Pollutant is adsorbed with absorption-flocculation sedimentation synergistic effect.
Chlorohydrocarbon can be utilized by microorganism and be provided for microbial activities as organic pollutant most common in soil Carbon source and the energy.The pollution of chlorohydrocarbon is repaired using biodegradable method, i.e., by screening, culture, enrichment to certain change The dominant microflora that object has degradation effect is closed, by other required all kinds of substances of addition degradation activity, to enhancement microbiological Activity, to achieve the purpose that the degradation to pollutant.The efficiency of aerobic degradation chlorohydrocarbon is higher and relatively more complete, because This, can be molten in water by improving when administering topsoil and the shallower soil of buried soil depth and soil chlorohydrocarbon pollutes Oxygen content is solved, promotes the activity of aerobic microbiological, achievees the purpose that degradating chloro hydrocarbon.
Microorganism in biological respinse filler is fixed using peat, and peat is the product in formation process of bog, quality pine Soft, material is naturally sterile, and water conservation ventilation, hole is flourishing, is suitble to do microbial fixed carrier.
Tourmaline be it is a kind of be made of elements such as boron, aluminium, sodium, iron, calcium, magnesium, and the ring silicate containing great amount of hydroxy group Crystalline mineral.Tourmaline is a kind of pyroelectricity material, inside there are spontaneous polarization, have radiation mid and far infrared line, induce bear from The effects of sub-.The spontaneous electrode and adsorption characteristic of tourmaline, so that it can change solution in acid, alkaline aqueous solution PH and conductivity;Meanwhile the hydroxyl ion in solution and the effect of tourmaline spontaneous electrode induced charge generate oxygen, Ke Yizeng The DO of solubilization liquid;The infra-red radiation that tourmaline generates can be such that hydrone vibrates, and part hydrogen bond is caused to be broken, so that Water clusters clustering architecture reduces, and improves the permeability of water.Based on tourmaline characteristics as described above, use tourmaline for as activity Material is applied to the reparation of chloro soil contaminated with hydrocarbons, can not only keep the activity of microorganism and the degradation to chlorohydrocarbon, Running blockage problem can also be effectively relieved, be conducive to long-term, effective operation.Zero-valent Iron is that a kind of Cheap highly effective application is wide General repair materials have high reduction efficiency to chlorohydrocarbon;And microorganism being capable of degradating chloro hydrocarbon simultaneously.
The invention has the advantages that: this prosthetic devices can be simultaneously to the organic pollutant and heavy metal contaminants in soil Handled, handled using multilevel hierarchy, preferably polluted soil is repaired, work reduce heavy metal content in soil with And organic pollutant content, ensure ecological safety.
Detailed description of the invention
Fig. 1 is the schematic diagram of this prosthetic device.
In figure: core wall -1;Water filling port -2;Reservoir -3;Water treatment facilities -4;Permeable reactive barrier -5.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
Embodiment 1
A kind of multi-level prosthetic device for soil pollution, including be surrounded on soil pollution region periphery setting core wall 1, It several water filling ports 2 for being set in soil pollution region, the reservoir 3 being connected to core wall 1 and is connect with reservoir 3 Water treatment facilities 4, water filling port 2 is located relative to the other end of 3 position of reservoir, and reservoir 3 is located under earth's surface, every The connected region of waterwall 1 and reservoir 3 is provided with permeable reactive barrier 5, and the upper end of core wall 1 protrudes from soil pollution region Average ground level, the lower end of core wall 1 are embedded in the underground water barrier in soil pollution region, and permeable reactive barrier 5 is more Layer composite construction, successively includes heavy metal process layer and organic contamination process layer by the direction in soil pollution region to reservoir.
Organic contamination process layer successively includes that gravel filling layer, Zero-valent Iron are anti-by the direction in soil pollution region to reservoir Answer packing layer, biological respinse packing layer and active carbon filler layer.
Filled with the filler including following parts by weight in heavy metal process layer: 4 parts of steel slag, activated coco nut charcoal 2 part, nanometer 0.8 part of titanium dioxide.
Gravel filling layer is divided into two layers along longitudinal direction, and it is 8 millimeters of gravel that underfill, which has average grain diameter, and top is filled with flat The gravel that equal partial size is 5 millimeters.
Filled with the filler including following parts by weight in Zero-valent Iron reaction packing layer: the iron filings 12 that average grain diameter is 1 millimeter Part, average grain diameter is 38 parts of quartz sand, 1 part of pillared bentonite of 2 millimeters.
Biological respinse packing layer is divided into three-decker, first layer filling by the direction in soil pollution region to reservoir There are coarse sand and microbial immobilized peat, the second layer is filled with tourmaline and microbial immobilized peat, and third layer is filled with treasure Zhu Yan and microbial immobilized peat, the thickness ratio between each layer are 2:1:3.
Filled with the filler including following parts by weight in active carbon filler layer: 6 parts of activated coco nut charcoal, average grain diameter 2 28 parts of quartz sand, 1 part of the bentonite, 1 part of flyash of millimeter.
Embodiment 2
A kind of multi-level prosthetic device for soil pollution, including be surrounded on soil pollution region periphery setting core wall 1, It several water filling ports 2 for being set in soil pollution region, the reservoir 3 being connected to core wall 1 and is connect with reservoir 3 Water treatment facilities 4, water filling port 2 is located relative to the other end of 3 position of reservoir, and reservoir 3 is located under earth's surface, every The connected region of waterwall 1 and reservoir 3 is provided with permeable reactive barrier 5, and the upper end of core wall 1 protrudes from soil pollution region Average ground level, the lower end of core wall 1 are embedded in the underground water barrier in soil pollution region, and permeable reactive barrier 5 is more Layer composite construction, successively includes heavy metal process layer and organic contamination process layer by the direction in soil pollution region to reservoir.
Organic contamination process layer successively includes that gravel filling layer, Zero-valent Iron are anti-by the direction in soil pollution region to reservoir Answer packing layer, biological respinse packing layer and active carbon filler layer.
Filled with the filler including following parts by weight in heavy metal process layer: 7 parts of steel slag, activated coco nut charcoal 5 part, nanometer 0.8 part of titanium dioxide.
Gravel filling layer is divided into two layers along longitudinal direction, and it is 10 millimeters of gravel that underfill, which has average grain diameter, and top is filled with The gravel that average grain diameter is 6 millimeters.
Filled with the filler including following parts by weight in Zero-valent Iron reaction packing layer: the iron filings 14 that average grain diameter is 3 millimeters Part, average grain diameter is 44 parts of quartz sand, 3 parts of pillared bentonite of 3 millimeters.
Biological respinse packing layer is divided into three-decker, first layer filling by the direction in soil pollution region to reservoir There are coarse sand and microbial immobilized peat, the second layer is filled with tourmaline and microbial immobilized peat, and third layer is filled with treasure Zhu Yan and microbial immobilized peat, the thickness ratio between each layer are 2:1:3.
Filled with the filler including following parts by weight in active carbon filler layer: 10 parts of activated coco nut charcoal, average grain diameter 3 36 parts of quartz sand, 2 parts of the bentonite, 2 parts of flyash of millimeter.
Embodiment 3
A kind of multi-level prosthetic device for soil pollution, including be surrounded on soil pollution region periphery setting core wall 1, It several water filling ports 2 for being set in soil pollution region, the reservoir 3 being connected to core wall 1 and is connect with reservoir 3 Water treatment facilities 4, water filling port 2 is located relative to the other end of 3 position of reservoir, and reservoir 3 is located under earth's surface, every The connected region of waterwall 1 and reservoir 3 is provided with permeable reactive barrier 5, and the upper end of core wall 1 protrudes from soil pollution region Average ground level, the lower end of core wall 1 are embedded in the underground water barrier in soil pollution region, and permeable reactive barrier 5 is more Layer composite construction, successively includes heavy metal process layer and organic contamination process layer by the direction in soil pollution region to reservoir.
Organic contamination process layer successively includes that gravel filling layer, Zero-valent Iron are anti-by the direction in soil pollution region to reservoir Answer packing layer, biological respinse packing layer and active carbon filler layer.
Filled with the filler including following parts by weight in heavy metal process layer: 5 parts of steel slag, activated coco nut charcoal 3 part, nanometer 0.5 part of titanium dioxide.
Gravel filling layer is divided into two layers along longitudinal direction, and it is 9 millimeters of gravel that underfill, which has average grain diameter, and top is filled with flat The gravel that equal partial size is 5 millimeters.
Filled with the filler including following parts by weight in Zero-valent Iron reaction packing layer: the iron filings 13 that average grain diameter is 2 millimeters Part, average grain diameter is 40 parts of quartz sand, 2 parts of pillared bentonite of 3 millimeters.
Biological respinse packing layer is divided into three-decker, first layer filling by the direction in soil pollution region to reservoir There are coarse sand and microbial immobilized peat, the second layer is filled with tourmaline and microbial immobilized peat, and third layer is filled with treasure Zhu Yan and microbial immobilized peat, the thickness ratio between each layer are 2:1:3.
Filled with the filler including following parts by weight in active carbon filler layer: 8 parts of activated coco nut charcoal, average grain diameter 2 32 parts of quartz sand, 1.5 parts of the bentonite, 1 part of flyash of millimeter.

Claims (8)

1. a kind of multi-level prosthetic device for soil pollution, it is characterised in that: including being surrounded on soil pollution region periphery The core wall of setting, several water filling ports being set in soil pollution region, the reservoir being connected to core wall and with storage The water treatment facilities of liquid bath connection, water filling port are located relative to the other end of reservoir position, reservoir be located at earth's surface it Under, the connected region of core wall and reservoir is provided with permeable reactive barrier, and the upper end of core wall protrudes from soil pollution region Average ground level, the lower end of core wall is embedded in the underground water barrier in soil pollution region.
2. the multi-level prosthetic device according to claim 1 for soil pollution, it is characterised in that: described permeable anti- Answering wall is multi-layer compound structure, successively includes heavy metal process layer and organic dirt by the direction in soil pollution region to reservoir Contaminate process layer.
3. the multi-level prosthetic device according to claim 2 for soil pollution, it is characterised in that: the organic contamination Process layer successively includes that gravel filling layer, Zero-valent Iron reaction packing layer, biology are anti-by the direction in soil pollution region to reservoir Answer packing layer and active carbon filler layer.
4. the multi-level prosthetic device according to claim 2 for soil pollution, which is characterized in that at the heavy metal It manages in layer filled with the filler including following parts by weight: 3 ~ 7 parts of steel slag, 2 ~ 5 parts of activated coco nut charcoal, nano-titanium dioxide 0.3 ~ 0.8 part.
5. the multi-level prosthetic device according to claim 3 for soil pollution, it is characterised in that: the gravel filling Layer is divided into two layers along longitudinal direction, and it is 8 ~ 10 millimeters of gravel that underfill, which has average grain diameter, and top is 5 ~ 6 millis filled with average grain diameter The gravel of rice.
6. the multi-level prosthetic device according to claim 3 for soil pollution, which is characterized in that the Zero-valent Iron is anti- Answer in packing layer filled with the filler including following parts by weight: average grain diameter is 12 ~ 14 parts of iron filings of 1 ~ 3 millimeter, average grain diameter For 38 ~ 44 parts of quartz sand of 2 ~ 3 millimeters, 1 ~ 3 part of pillared bentonite.
7. the multi-level prosthetic device according to claim 3 for soil pollution, it is characterised in that: the biological respinse Packing layer is divided into three-decker by the direction in soil pollution region to reservoir, and first layer is solid filled with coarse sand and microorganism Surely change peat, the second layer is filled with tourmaline and microbial immobilized peat, and third layer is fixed filled with perlite and microorganism Change peat, the thickness ratio between each layer is 2:1:3.
8. the multi-level prosthetic device according to claim 3 for soil pollution, which is characterized in that the active carbon is filled out Filled with the filler including following parts by weight in the bed of material: 6 ~ 10 parts of activated coco nut charcoal, the quartz sand that average grain diameter is 2 ~ 3 millimeters 28 ~ 36 parts, 1 ~ 2 part of bentonite, 1 ~ 2 part of flyash.
CN201910303383.2A 2019-04-16 2019-04-16 A kind of multi-level prosthetic device for soil pollution Pending CN110038888A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111960603A (en) * 2020-08-14 2020-11-20 中国地质科学院水文地质环境地质研究所 Simulation repair system and method for underground water containing 1,2-dichloroethane

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2255556A (en) * 1991-01-21 1992-11-11 John Frederick Devlin Procedure for delivering a substance into an aquifer
EP0844031A1 (en) * 1996-11-26 1998-05-27 Soletanche Bachy France System for treating and discharging groundwater from a polluted site isolated from the environment by an impervious wall in the soil
CN1658984A (en) * 2002-06-07 2005-08-24 日本板硝子株式会社 Contamination diffusion preventing structure in contaminated area
CN204171077U (en) * 2014-10-31 2015-02-25 上海岩土工程勘察设计研究院有限公司 For the spray site well Precipitation Structure of contaminated water and soil integration in-situ immobilization
CN106914482A (en) * 2017-03-09 2017-07-04 上海广联环境岩土工程股份有限公司 The in-situ remediation system of contaminated soil and underground water
CN207709529U (en) * 2017-11-24 2018-08-10 湖南亿康环保科技有限公司 A kind of in-situ treatment system of soil remediation
CN109179677A (en) * 2018-10-24 2019-01-11 湖南新九方科技有限公司 A kind of complex media PRB restorative procedure of chlorohydrocarbon polluted underground water

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2255556A (en) * 1991-01-21 1992-11-11 John Frederick Devlin Procedure for delivering a substance into an aquifer
EP0844031A1 (en) * 1996-11-26 1998-05-27 Soletanche Bachy France System for treating and discharging groundwater from a polluted site isolated from the environment by an impervious wall in the soil
CN1658984A (en) * 2002-06-07 2005-08-24 日本板硝子株式会社 Contamination diffusion preventing structure in contaminated area
CN204171077U (en) * 2014-10-31 2015-02-25 上海岩土工程勘察设计研究院有限公司 For the spray site well Precipitation Structure of contaminated water and soil integration in-situ immobilization
CN106914482A (en) * 2017-03-09 2017-07-04 上海广联环境岩土工程股份有限公司 The in-situ remediation system of contaminated soil and underground water
CN207709529U (en) * 2017-11-24 2018-08-10 湖南亿康环保科技有限公司 A kind of in-situ treatment system of soil remediation
CN109179677A (en) * 2018-10-24 2019-01-11 湖南新九方科技有限公司 A kind of complex media PRB restorative procedure of chlorohydrocarbon polluted underground water

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111960603A (en) * 2020-08-14 2020-11-20 中国地质科学院水文地质环境地质研究所 Simulation repair system and method for underground water containing 1,2-dichloroethane

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Application publication date: 20190723