CN209287958U - Chemical pollution place soil and groundwater in-situ remediation system - Google Patents
Chemical pollution place soil and groundwater in-situ remediation system Download PDFInfo
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- CN209287958U CN209287958U CN201821218938.0U CN201821218938U CN209287958U CN 209287958 U CN209287958 U CN 209287958U CN 201821218938 U CN201821218938 U CN 201821218938U CN 209287958 U CN209287958 U CN 209287958U
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Abstract
The utility model belongs to soil remediation field, more particularly to the reparation field of chemical pollution place soil and groundwater, more particularly relate to chemical pollution place soil and groundwater in-situ remediation system and restorative procedure.By being arranged while having the multifunctional well of extracting and function of injecting, the effective radius of chemical leaching can be effectively increased, the formation of underground aquaporin is reduced, effectively improves chemical leaching effect.It solves to trail seriously during current chemical pollution place soil and groundwater in-situ immobilization, the problem that remediation efficiency is low, repairing effect is poor.
Description
Technical field
The invention belongs to soil remediation field, more particularly to the reparation field of chemical pollution place soil and groundwater,
More particularly relate to chemical pollution place soil and groundwater in-situ remediation system.
Background technique
Contaminated soil remediation refers to through physics, chemistry, biology, ecological principle, and uses artificial regulatory measure, makes soil
Earth pollutant dense (work) degree reduce, realize pollutant it is innoxious and stabilize, to reach it is intended that detoxifying effect technology
Measure.Currently, recovery technique possible in theory has phytoremediation, microorganism remediation, chemical remediation, peripheral doses and synthesis to repair
Several major class such as multiple.Some recovery techniques come into the field application stage and achieve preferable effect.Contaminated soil implementation is repaired
It is multiple, it to blocking pollutant to enter food chain, prevents from causing damages to human health, promotes land resource protection and sustainable development
It is of great significance.Degrading organic pollutant and heavy-metal contaminated soil are focused primarily upon about the research and development of the technology at present
Repair two broad aspects.
Original position soil reparation, which refers to, does not move contaminated soil, directly carries out original place to it in the position that place is polluted
The soil restoring technology repaired or handled has and invests low, small to surrounding environment influence feature.Soil in-situ recovery technique master
Have it is in situ elution, gas phase extracting (SVE), multiphase extracting (MPVE), gas-phase injection (IAS), biodegrade, in situ chemical oxidation
(ISCO), in-situ chemical reduction, pollutant fix, phytoremediation etc..
Multiphase extraction technique is one of the common technology of original position soil soil and groudwater remediation, passes through vacuum extraction means
Soil gas, underground water and the nonaqueous phase liquid pollutant to ground for extracting underground pollution region simultaneously are mutually separated and are located
Reason, to achieve the effect that control rapidly and be polluted in synchronous rehabilitating soil and underground water.Injection/recharging technique is to borrow certain works
Water up to standard qualified after processing is artificially matched chemical remediation reagent injection/recharge underground reservoir of doses by journey measure,
To increase the increment of underground water, regulation and control level of ground water, while realizing the purpose of in situ chemical oxidation pollutant.
At present in soil and groudwater remediation practice, pollutant is not accounted under groundwater storage in solid-phase media
With the slow characteristic of rate of release, there is serious trailing phenomenon, remediation efficiency and reparation so as to cause the pollution processing later period
Effect is all severely impacted.
Summary of the invention
The technical problem to be solved by the present invention is at present during chemical pollution place soil and groundwater in-situ immobilization
Hangover is serious, the problem that remediation efficiency is low, repairing effect is poor.
In order to solve the above-mentioned technical problem, the invention discloses a kind of chemical pollution place soil and groundwater in-situ immobilizations
System, the system include: extraction system, re-injection system, well casing, control system, and the well casing is extracting/re-injection with pipe well pipe,
Functional pipeline is arranged in it, and threeway head is arranged in the top of the function pipeline, and function pipeline passes through extracting communicating pipe respectively and returns
Note is connect communicating pipe with extraction system and re-injection system, and extracting control valve, the re-injection are provided on the extracting communicating pipe
It is provided with re-injection control valve communicating pipe, the extracting control valve is controlled with re-injection control valve by control system.
Preferably, the control system is PIC control system.
By PIC control system, the opening and closing of extracting control valve and re-injection control valve can control.When extracting control valve
When door is opened, which is connected to extraction system, realizes extracting function, when re-injection control valve is opened, the function pipe
Road is connected to re-injection system, realizes re-injection function.
It is further preferred that the well casing is to extend downward into the pipeline in underground pollution layer from ground, it is described
Pipeline lower part is floral tube, and middle part is real pipe, and top is floral tube；The bottom floral tube outer wall fills sand, inside filling filter material
Material；The middle part reality pipe outer wall fills bentonite, inside filling filtering material；The top floral tube outer wall fills sand, internal
It is not filled with.
Preferably, the function pipeline sinks to the middle position of real pipe in the middle part of well casing.
The present invention is broken through in conventional repair systems, and a well casing has fixed its extracting or re-injection function when being laid with, and
And according to certain arrangement regulation, interval setting extracting or re-injection function, generated repair process hangover is serious, repairs effect
Rate is low, the problem of repairing effect difference.By the difunctional property of extracting/re-injection possessed by function pipeline, and control system is combined,
By the opening and closing of control extracting control valve and re-injection control valve, and then both may be implemented to extract in a well casing, it can also
To realize re-injection.And both functions can according to need continuous, synchronous, alternately conversion, to avoid fixed extracting and return
Caused tailing problem behind note position, improves remediation efficiency, improves repairing effect.
Preferably, multiple well casings form a working group, and each well casing function in each working group is consistent, extract work
It works in different operating group alternately with re-injection.
More preferably, well casing is arranged in chemical pollution place with rectangular array formula, wherein one is classified as a job
Group, or with one working group of a behavior.
It is further preferred that heretofore described extraction system further includes that negative pressure extraction pump, sieve and aqueous vapor collect system
System, these components and function pipeline are formed together complete extraction system.The order of connection is sieve, function to the system from bottom to top
Pipeline, valve, flowmeter, extraction pump and aqueous vapor collection system；Wherein sieve includes filtering head, screen casing.It can be to the underground of extracting
Water carries out secondary filtration, and underground extends depth to the middle position of middle part reality pipe；Wherein function pipeline is solid PVC material pipe,
It is connected with sieve and valve；Wherein valve and flowmeter are connected to PIC control system, can be with water treatment facilities processing capacity knot
It closes, long-range control extracting rate and extracting amount；Wherein aqueous vapor collection system includes water vapor separation system, sewage-treatment plant and gives up
Flash Gas Compression Skid System；Wherein the moisture separator includes a water inlet pipe, waste water collection tank, sewage pipe and exhaust gas extracting
The underground water of pipe, extracting is collected by water inlet pipe to waste water collection tank, and water inlet pipe is inserted into wastewater collection trench bottom, and waste water passes through receipts
The sewage pipe for collecting groove sidewall lower part flows into sewage-treatment plant, and exhaust gas passes through top exhaust gas extraction tube into emission-control equipment.
Preferably, heretofore described re-injection system further includes water injecting pump, injection pipe network and filter, these components with
Function pipeline is formed together complete re-injection system.The top-down order of connection of the system is water injecting pump, filter, flow
Meter, valve, ground pipe network；Wherein filter includes filter screen and screen casing, can be filtered clean place to the water in re-injection pipe well
Reason, flowmeter and valve are connected to PIC control system, can control charge velocity and injection rate in conjunction with level of ground water tester；
Ground pipe network and function pipeline are formed together injection pipe network, and treated, and water is distributed through ground pipe network to each well casing, and passes through function
It can pipeline re-injection.
It is further preferred that PIC control system further includes electronic controller, flowmeter, water level tester and electric terminal；
PIC control system is collectively formed in these components and extracting control valve and re-injection control valve, wherein extracting control valve is used for
Control extracting rate and extracting amount, re-injection control valve is for controlling rate of reinjection and injection rate；Wherein flow is calculated as normal flow
Meter is connected with valve and electric terminal；Wherein water level tester is normal water level tester, is connected with electric terminal, is tested
Foundation of the water level as re-injection water parameter setting；Wherein electric terminal includes PC, data collector, processor and software, can
The data that data collector acquires are delivered to processor, are analyzed by software, the uninterrupted of electronic valve is automatically controlled, takes out
/ the rate of injection pump is proposed, and data are uploaded to the end PC, realizes real time monitoring.
More preferably mode further includes having sealed well lid and water level tester, sealed well lid, water level tester and well casing
Well is collectively formed.Wherein sealed well lid be cement pour, intermediate porose awl-type well lid, surrounding covers water proof material when sealing
Material, intermediate preformed hole and function piping connection portion rubber ring and marine glue seal；Water level tester and PIC control system phase
Even, can long term monitoring groundwater level height.
It is further preferred that further including collection conduits and connection hose, the function pipeline in a working group passes through connection
Hose is connected in the same collection conduits, and collection conduits are connect with a set of extraction system and a set of re-injection system respectively.
In addition, the invention also discloses chemical pollution place soil and underground water in-situ remediation methods, comprising the following steps:
S1: drilling well, and function pipeline is sunk in well；
S2: function pipeline is connected to extraction system and re-injection system respectively；
S3: extracting control valve is connect with re-injection control valve with control system；
S4: the opening and closing rule of control valve and re-injection control valve is extracted at setting different function pipeline；
S5: it is stripped automatically, re-injection operation.
Wherein the drilling well refers to: according to contaminated soil depth, level of ground water buried depth and each soil layer situation drilling well, sinking
Enter well casing.Wherein the bottom end of well casing bottom floral tube to water barrier upper end is to the lowest water level of level of ground water buried depth；Wherein well
Peak level of the bottom end of real pipe to the minimum hydrology upper end of level of ground water buried depth to depth of groundwater table in the middle part of pipe；Its
The bottom end of middle well casing top floral tube to level of ground water buried depth peak level upper end is to ground level.
Further include having sealed well lid and water level tester installation steps after sinking to function pipeline in well, specifically, be by
Filtering head and extraction tube sink to the real pipe middle section position in middle part, and extraction tube upper end passes through sealed well lid, close with rubber ring and marine glue
Envelope；Water level tester probe sinks to top floral tube bottom end, and host is as fixed at the top of well lid.
More preferably scheme be further include the outer filling step of well casing be specifically to fill to be sequentially filled outside well casing
Sand is to well casing bottom floral tube upper end, bentonite to middle part reality Guan Shangduan, sand to well casing top floral tube upper end；It filled inside
Filter material material is to middle part reality Guan Shangduan；Well lid surrounding is filled with water proof material, encapsulation process.
It is further preferred that the opening and closing rule in the S4 is, at a certain time interval, alternately opening and closing extracts control valve
Door and re-injection control valve.
Technical solution disclosed by the invention, has the advantages that
(1) a kind of multifunctional well provided by the invention can realize it is synchronous, selective, alternately with loop control take out
/ charge velocity and extracting/injection rate are proposed, is arranged with well, there is the effective covering radius for increasing well, reduces groundwater extraction channel
It is formed, chemical reagent and contaminated soil is made to come into full contact with washing；
(2) a kind of multifunctional well provided by the invention can efficiently use the cyclophysis of the height change of level of ground water, because
The height of the controlling groundwater level of ground suiting measures to different conditions realizes long-term repair purpose；
(3) a kind of multifunctional well provided by the invention can be stripped and inject in same well casing, reduce under air-proof condition
The possibility of secondary pollution.
Chemical pollution place disclosed by the invention in-situ remediation system and restorative procedure, pass through setting simultaneously have extracting with
The multifunctional well of function of injecting can effectively increase the effective radius of chemical leaching, reduce the formation of underground aquaporin, effectively mention
High chemical leaching effect.
Detailed description of the invention
Fig. 1 is chemical pollution place soil and groundwater in-situ remediation system schematic diagram.
Fig. 2 is well casing enlarged schematic partial view.
Specific embodiment
In order to better understand the present invention, we in conjunction with specific embodiments further explain the present invention below
It states.
Embodiment 1
In conjunction with Fig. 1 and chemical pollution place soil and groundwater in-situ remediation system shown in Fig. 2, which includes:
Extraction system, re-injection system, well casing, control system, the well casing are extracting/re-injection with pipe well pipe, and functional pipeline is arranged
1, the top of the function pipeline 1 is arranged threeway head 2, function pipeline 1 respectively by extracting communicating pipe 3 and re-injection communicating pipe 4 with
Extraction system is connected with re-injection system, and extracting control valve gate valve 1 is provided on the extracting communicating pipe, is set the re-injection communicating pipe
It is equipped with re-injection control valve gate valve 2, the extracting control valve gate valve 1 is controlled with re-injection control valve gate valve 2 by control system.
Preferably, the control system is PIC control system.
By PIC control system, the opening and closing of extracting control valve and re-injection control valve can control.When extracting control valve
When door is opened, which is connected to extraction system, realizes extracting function, when re-injection control valve is opened, the function pipe
Road is connected to re-injection system, realizes re-injection function.
It is further preferred that as shown in Fig. 2, the well casing is the pipe extended downward into underground pollution layer from ground
Road, the pipeline lower part are floral tube 5, and middle part is real pipe 6, and top is floral tube 5；The bottom floral tube outer wall fills sand, interior
Fill filtering material 7 in portion；The middle part reality pipe outer wall fills bentonite, inside filling filtering material 7；The top floral tube outer wall
Sand is filled, inside is not filled with.
Preferably, the function pipeline sinks to the middle position of real pipe in the middle part of well casing, as shown in Fig. 2 and Fig. 1.
The present invention is broken through in conventional repair systems, and a well casing has fixed its extracting or re-injection function when being laid with, and
And according to certain arrangement regulation, interval setting extracting or re-injection function, generated repair process hangover is serious, repairs effect
Rate is low, the problem of repairing effect difference.By the difunctional property of extracting/re-injection possessed by function pipeline, and control system is combined,
By the opening and closing of control extracting control valve and re-injection control valve, and then both may be implemented to extract in a well casing, it can also
To realize re-injection.And both functions can according to need continuous, synchronous, alternately conversion, to avoid fixed extracting and return
Caused tailing problem behind note position, improves remediation efficiency, improves repairing effect.
Preferably, multiple well casings form a working group, and each well casing function in each working group is consistent, extract work
It works in different operating group alternately with re-injection.
More preferably, well casing is arranged in chemical pollution place with rectangular array formula, wherein one is classified as a job
Group, or with one working group of a behavior.
It is further preferred that as shown in Figure 1 heretofore described extraction system further include negative pressure extraction pump 10, sieve with
Aqueous vapor collection system, these components and function pipeline are formed together complete extraction system.The system order of connection from bottom to top
For sieve, function pipeline, valve, flowmeter 22, extraction pump 11 and aqueous vapor collection system；Wherein sieve includes filtering head 8, screen casing
9.Secondary filtration can be carried out to the underground water of extracting, underground extends depth to the middle position of middle part reality pipe；Wherein function pipeline
For solid PVC material pipe, it is connected with sieve and valve；Wherein valve and flowmeter are connected to PIC control system, can be with water process
Equipment disposal ability combines, long-range control extracting rate and extracting amount；Wherein aqueous vapor collection system include water vapor separation system 12,
Sewage-treatment plant 13 and emission-control equipment 14；Wherein the moisture separator includes water inlet pipe, a wastewater collection
The underground water of slot, sewage pipe and exhaust gas extraction tube, extracting is collected by water inlet pipe 15 to waste water collection tank, and water inlet pipe is inserted into waste water
Trench bottom is collected, waste water flows into sewage-treatment plant by the sewage pipe 16 of collecting tank sidewall lower part, and exhaust gas passes through top exhaust gas
Extraction tube 17 is into emission-control equipment.
Preferably, heretofore described re-injection system further includes water injecting pump 18, injection pipe network and filter 19, these groups
Part and function pipeline are formed together complete re-injection system.The top-down order of connection of the system is water injecting pump 18, filter
19, flowmeter 20, valve valve 2, ground pipe network；Wherein filter includes filter screen and screen casing, can to the water in re-injection pipe well into
The clean processing of row filtering, flowmeter and valve are connected to PIC control system, can control injection in conjunction with level of ground water tester
Rate and injection rate；Ground pipe network and function pipeline are formed together injection pipe network, and treated, and water is distributed through ground pipe network to each
Well casing, and pass through the re-injection of function pipeline.
It is further preferred that PIC control system further includes that electronic controller, flowmeter, water level tester 21 and electronics are whole
End；PIC control system is collectively formed in these components and extracting control valve and re-injection control valve, wherein extracting control valve is used
In control extracting rate and extracting amount, re-injection control valve is for controlling rate of reinjection and injection rate；Wherein flow is calculated as routine
Flowmeter is connected with valve and electric terminal；Wherein water level tester is normal water level tester, is connected with electric terminal, is surveyed
Try foundation of the water level as re-injection water parameter setting；Wherein electric terminal includes PC, data collector, processor and software,
Can by data collector acquire data be delivered to processor, analyzed by software, automatically control electronic valve uninterrupted,
Extracting/injection pump rate, and data are uploaded to the end PC, realize real time monitoring.
More preferably mode further includes having sealed well lid and water level tester, sealed well lid, water level tester and well casing
Well is collectively formed.Wherein sealed well lid be cement pour, intermediate porose awl-type well lid, surrounding covers water proof material when sealing
Material, intermediate preformed hole and function piping connection portion rubber ring and marine glue seal；Water level tester and PIC control system phase
Even, can long term monitoring groundwater level height.
It is further preferred that further including collection conduits and connection hose, the function pipeline in a working group passes through connection
Hose is connected in the same collection conduits, and collection conduits are connect with a set of extraction system and a set of re-injection system respectively.
In addition, the invention also discloses chemical pollution place soil and underground water in-situ remediation methods, comprising the following steps:
S1: drilling well, and function pipeline is sunk in well；
S2: function pipeline is connected to extraction system and re-injection system respectively；
S3: extracting control valve is connect with re-injection control valve with control system；
S4: the opening and closing rule of control valve and re-injection control valve is extracted at setting different function pipeline；
S5: it is stripped automatically, re-injection operation.
Wherein the drilling well refers to: according to contaminated soil depth, level of ground water buried depth and each soil layer situation drilling well, sinking
Enter well casing.Wherein the bottom end of well casing bottom floral tube to water barrier upper end is to the lowest water level of level of ground water buried depth；Wherein well
Peak level of the bottom end of real pipe to the minimum hydrology upper end of level of ground water buried depth to depth of groundwater table in the middle part of pipe；Its
The bottom end of middle well casing top floral tube to level of ground water buried depth peak level upper end is to ground level.
Further include having sealed well lid and water level tester installation steps after sinking to function pipeline in well, specifically, be by
Filtering head and extraction tube sink to the real pipe middle section position in middle part, and extraction tube upper end passes through sealed well lid, close with rubber ring and marine glue
Envelope；Water level tester probe sinks to top floral tube bottom end, and host is as fixed at the top of well lid.
More preferably scheme be further include the outer filling step of well casing be specifically to fill to be sequentially filled outside well casing
Sand is to well casing bottom floral tube upper end, bentonite to middle part reality Guan Shangduan, sand to well casing top floral tube upper end；It filled inside
Filter material material is to middle part reality Guan Shangduan；Well lid surrounding is filled with water proof material, encapsulation process.
It is further preferred that the opening and closing rule in the S4 is, at a certain time interval, alternately opening and closing extracts control valve
Door and re-injection control valve.
It extracts the liquid to come up and medicament blending tank 24 is entered by sewage conduct 23 after sewage-treatment plant 13,
And after being handled in the medicament blending tank 24 by dosing, is acted on, entered in re-injection system by water injecting pump 18.
Embodiment 2
The soil remediation in chemical pollution place is carried out according to mode disclosed in embodiment 1.
After chemical company, Jiangsu Province closes resettlement in retired place, soil and groundwater is by benzene, naphthalene and 2,4- dinitro
The pollution of the compounds such as toluene.Comprehensively consider place soil and underground water pollution feature, selects thermal desorption-chemical oxidation treatment soil
Earth selects multiphase extracting-dystopy oxidation recovery technique to handle underground water.
Place surrounding builds water-stop curtain, comprehensive wiring extracting/injection well in place.The underground water of extracting is collected by pipe network
Afterwards, using dystopy chemical oxidation treatment technical treatment it is up to standard after, match a certain amount of chemical agent re-injection and enter extraction well.With landing
The continuous extractive process being lauched is mixed with the water of chemical agent under the action of interflow subsurface drainage, constantly collects to extraction well, realizes soil
Earth chemical oxidation purpose synchronous with the chemical oxidation of underground water.In the recovery project phase, the pollution of Simultaneous Monitoring soil and groundwater
The content of object, testing result entirely reaches reparation target value after recovery project is completed.
The foregoing is a specific embodiment of the present invention.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. chemical pollution place soil and groundwater in-situ remediation system, it is characterised in that: the system includes: extraction system, returns
Injection system, well casing, control system, the well casing are extracting/re-injection with pipe well pipe, and functional pipeline, the function pipe is arranged
Threeway head is arranged in the top in road, and function pipeline passes through extracting communicating pipe and re-injection communicating pipe and extraction system and re-injection system respectively
Connection is provided with extracting control valve on the extracting communicating pipe, and the re-injection communicating pipe is provided with re-injection control valve, described
Extracting control valve is controlled with re-injection control valve by control system.
2. chemical pollution place soil and groundwater in-situ remediation system according to claim 1, it is characterised in that: described
Control system is PIC control system.
3. chemical pollution place soil and groundwater in-situ remediation system according to claim 1, it is characterised in that: described
Well casing is that the pipeline in underground pollution layer is extended downward into from ground, and the pipeline lower part is floral tube, and middle part is real pipe,
Top is floral tube；The bottom floral tube outer wall fills sand, inside filling filtering material；The middle part reality pipe outer wall fills swelling
Soil, inside filling filtering material；The top floral tube outer wall fills sand, and inside is not filled with.
4. chemical pollution place soil and groundwater in-situ remediation system according to claim 3, it is characterised in that: described
Function pipeline sinks to the middle position of real pipe in the middle part of well casing.
5. chemical pollution place soil and groundwater in-situ remediation system according to claim 1, it is characterised in that: multiple
Well casing forms a working group, and each well casing function in each working group is consistent, and extracting work works from re-injection in different works
Make in group alternately.
6. chemical pollution place soil and groundwater in-situ remediation system according to claim 5, it is characterised in that: well casing
It is arranged in chemical pollution place with rectangular array formula, wherein one is classified as a working group, or with one working group of a behavior.
7. chemical pollution place soil and groundwater in-situ remediation system according to claim 2, which is characterized in that including
Any one or multiple conditions below:
A. the extraction system further includes negative pressure extraction pump, sieve and aqueous vapor collection system, these components and function pipeline one
It rises and forms complete extraction system；
The order of connection is sieve, function pipeline, valve, flowmeter, extraction pump and aqueous vapor collection system to the system from bottom to top；Its
Middle sieve includes filtering head, screen casing；
B. the re-injection system further includes water injecting pump, injection pipe network and filter, these components are formed together with function pipeline
Complete re-injection system；The top-down order of connection of the system is water injecting pump, filter, flowmeter, valve, ground pipe network；
Wherein filter includes filter screen and screen casing；
C. the PIC control system further includes electronic controller, flowmeter, water level tester and electric terminal；These components with
PIC control system is collectively formed in extracting control valve and re-injection control valve；
It d. further include having sealed well lid and water level tester, well is collectively formed in sealed well lid, water level tester and well casing；
Wherein sealed well lid be cement pour, intermediate porose awl-type well lid, surrounding covers water proof material when sealing, intermediate pre-
It boxes out and function piping connection portion rubber ring and marine glue sealing；Water level tester is connected with PIC control system, can be long-term
Monitor the height of groundwater level.
8. chemical pollution place soil and groundwater in-situ remediation system according to claim 5, which is characterized in that also wrap
Collection conduits and connection hose are included, the function pipeline in a working group is connected to the same collection conduits by connecting hose
In, collection conduits are connect with a set of extraction system and a set of re-injection system respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201821218938.0U CN209287958U (en) | 2018-07-31 | 2018-07-31 | Chemical pollution place soil and groundwater in-situ remediation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821218938.0U CN209287958U (en) | 2018-07-31 | 2018-07-31 | Chemical pollution place soil and groundwater in-situ remediation system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047305A (en) * | 2018-07-31 | 2018-12-21 | 南京格洛特环境工程股份有限公司 | Chemical pollution place soil and groundwater in-situ remediation system and restorative procedure |
| CN112387773A (en) * | 2020-10-14 | 2021-02-23 | 南京格洛特环境工程股份有限公司 | Water-gas co-treatment process for organic polluted land block |
| CN112934935A (en) * | 2021-01-28 | 2021-06-11 | 武汉瑞景环境修复工程有限公司 | DNAPL (deoxyribonucleic acid-PL) -polluted in-situ combined remediation system and remediation method |
-
2018
- 2018-07-31 CN CN201821218938.0U patent/CN209287958U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109047305A (en) * | 2018-07-31 | 2018-12-21 | 南京格洛特环境工程股份有限公司 | Chemical pollution place soil and groundwater in-situ remediation system and restorative procedure |
| CN112387773A (en) * | 2020-10-14 | 2021-02-23 | 南京格洛特环境工程股份有限公司 | Water-gas co-treatment process for organic polluted land block |
| CN112934935A (en) * | 2021-01-28 | 2021-06-11 | 武汉瑞景环境修复工程有限公司 | DNAPL (deoxyribonucleic acid-PL) -polluted in-situ combined remediation system and remediation method |
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