CN110054279A - Contaminated site and groundwater remediation system and method - Google Patents
Contaminated site and groundwater remediation system and method Download PDFInfo
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- CN110054279A CN110054279A CN201910392482.2A CN201910392482A CN110054279A CN 110054279 A CN110054279 A CN 110054279A CN 201910392482 A CN201910392482 A CN 201910392482A CN 110054279 A CN110054279 A CN 110054279A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/782—Ozone generators
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
- C02F2201/784—Diffusers or nozzles for ozonation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention relates to a kind of contaminated site and groundwater remediation systems, comprising: is set to the water plug in Polluted area downstream；It is set to the water filling device of Polluted area upstream；Purification device between the water plug and the water filling device is set, the purification device includes ozone generation part, micro-nano bubble generation part and reactor tank, the micro-nano bubble generation part is located inside the reactor tank, it is connected between the ozone generation part and the micro-nano bubble generation part by pipeline, the reactor tank includes inlet and outlet, the water inlet is connect with the water plug, and the water outlet is connect with the injection device；Water continuously flows between the Polluted area, the water plug, the purification device and the water filling device, forms circulation.The invention further relates to a kind of contaminated site and groundwater remediation methods.
Description
Technical field
The present invention relates to contaminated place and groundwater remediation technical fields, more particularly to a kind of contaminated site and underground
Water repair system and method.
Background technique
The high speed development of economic society brings more and more environmental problems, at present China's soil and underground water pollution problem
Seriously, especially a large amount of organic pollutants for generating of petrochemical industry and industrial enterprise, into soil and groundwater environment after there are shapes
State is complicated, not easy to handle, causes to seriously endanger to surrounding enviroment, influences economy and society development.It is environmental-friendly and energy-efficient
Contaminated site and underground water innovation recovery technique development and application be Chinese national economy and social sustainable development weight
Want approach.
The restorative procedure of organic contamination place and underground water is divided into in-situ immobilization and showering, and wherein in-situ immobilization has
Environmental perturbation is small, and feature at low cost is widely paid close attention to.Common organic contamination place based technique for in-situ remediation is main at present
Including biological renovation method and chemical repair method.Wherein chemical repair method is strong frequently with persulfate, permanganate etc.
Oxidative chemistries come to contaminant degradation remove, but remediation efficiency be subjected to environmental condition limitation, repair reagent cost compared with
It is high, thereby increases and it is possible to generate by-product and secondary pollution is caused to environment.
Biological renovation method is environmentally friendly, and development potentiality is huge, but its main problem is the degradation effect of pollutant
Environmental condition is relied on, the influence of the factors such as dissolved oxygen in place, temperature, salinity, pH is subjected to, and repairing efficiency is longer, to pollution
Serious place, since pollutant is to the obstruction of microbial activity, the effect of microbial degradation is greatly inhibited, and repairs effect
Fruit is bad.
Summary of the invention
Based on this, it is necessary to provide a kind of contaminated site and groundwater remediation system and method.
The present invention provides a kind of Pollution Field and groundwater remediation system, comprising:
It is set to the water plug in Polluted area downstream；
It is set to the water filling device of Polluted area upstream；
Purification device between the water plug and the water filling device is set,
The purification device includes ozone generation part, micro-nano bubble generation part and reactor tank, described micro-nano
Bubble generation part is located inside the reactor tank, leads between the ozone generation part and the micro-nano bubble generation part
Piping connection, the reactor tank includes inlet and outlet, and the water inlet is connect with the water plug, the water outlet
Mouth is connect with the injection device；
For the water plug for extracting polluted underground water out from the Polluted area downstream, the purification device is used for will
Polluted underground water purified treatment in the reactor tank forms treated underground water, and the water filling device is used for institute
It states treated underground water and refills the Polluted area upstream, make water in the Polluted area, the water plug, institute
It states and is continuously flowed between purification device and the water filling device, form circulation.
The speed of drawing water of the water plug is 15L/min to 40L/min, the water filling in one of the embodiments,
The waterflood injection rate of device is 15L/min to 40L/min.
The ozone bubbles diameter that the micro-nano bubble generation part generates in one of the embodiments, be 20nm~
100nm。
The production gas velocity degree of the ozone generation part is 1L/min~10L/min in one of the embodiments, generation
Ozone concentration is 80mg/L~150mg/L, and the air inflow of the micro-nano bubble generation part is 1L/min~10L/min, into
Water is 10L/min~300L/min.
The distance between the water plug and the water filling device are less than or equal to 10m in one of the embodiments,.
The purification device further includes hydrogen peroxide addition component in one of the embodiments, and the reactor tank is also wrapped
Inlet is included, the inlet is connect with hydrogen peroxide addition component.
In one of the embodiments, the speed of hydrogen peroxide addition component injection hydrogen peroxide be 40mg/min~
1500mg/min。
The purification device further includes monitoring component in one of the embodiments, and the monitoring component for supervising in real time
Survey the concentration of each substance in water body in the reactor tank.
The purification device further includes ozone tail gas recovery processing component, the ozone tail in one of the embodiments,
Gas recovery processing component is for recycling the ozone tail gas leaked in the reactor tank and by its degradation treatment.
The water plug further includes precipitating filter element in one of the embodiments, and the precipitating filter element is used
In the polluted underground water of filtering extraction.
It in one of the embodiments, include concatenated multiple purification devices.
The present invention provides a kind of contaminated site and groundwater remediation method based on contaminated site and groundwater remediation system,
The following steps are included:
Polluted underground water is extracted out in Polluted area downstream；
Polluted underground water is extracted out in Polluted area downstream using the water plug；
The micro-nano bubble of ozone is generated and by the micro-nano gas bubble of the ozone in the pumping using the purification device
In polluted underground water out, so that the polluted underground water to the extraction carries out purified treatment；
Treated underground water is injected in the Polluted area in Polluted area upstream using the water filling device；
Wherein, the step of extraction, the purified treatment and injection is carried out continuously, and forms water circulation.
The size of the micro-nano bubble of the ozone is 20nm~100nm, the ozone micro-nano in one of the embodiments,
The concentration of rice bubble is 5 × 107A/mL to 5 × 108A/mL.
The step of polluted underground water to the extraction carries out purified treatment in one of the embodiments, is also wrapped
It includes,
Hydrogen peroxide is injected into the polluted underground water of the extraction is dissolved in water the hydrogen peroxide, the peroxide
The concentration for changing hydrogen is 8mg/L to 10mg/L.
The mass ratio of hydrogen peroxide described in recirculated water and the micro-nano bubble of the ozone is in one of the embodiments,
0.5:1~1:1.
The step of polluted underground water to the extraction carries out purified treatment in one of the embodiments, further include
The polluted underground water of the extraction is filtered.
The speed drawn water is 15L/min to 40L/min in one of the embodiments, and the speed of the water filling is
15L/min to 40L/min.
Contaminated site and groundwater remediation system provided by the invention can make to be formed while underground pollution water in-situ immobilization
Effluent cycle processing, its advantages have the following aspects:
(1) circular treatment of sewage is removed extracted underground water pollutant directly, and remediation efficiency is higher, right
The utilization rate of ozone is higher；
(2) circular treatment enhances underground water in contaminated site effectively, the micro-nano bubble migration velocity of ozone faster away from
From farther, remediation efficiency is higher, range is bigger；
(3) strong to contaminant removal capacity in water body, equally there is good removal effect to hardly degraded organic substance etc.；
(4) high to contaminant removal efficiency in water body；
(5) processed in reactor tank after some of the contaminants are extracted, sample detection is convenient and efficient, to repairing effect and repairs
The observation of multiple efficiency is more succinct more intuitive；
(6) to the pollutant process significant effect for being adsorbed in soil body surface；
(7) treatment process is more succinct, and cost is lower, relies on site condition low.
(8) it does not overflow behind ozone injection place to external environment, does not cause secondary pollution.
Detailed description of the invention
Fig. 1 is contaminated site of the embodiment of the present invention and groundwater remediation system schematic.
Appended drawing reference is as follows:
Water plug 10,
Filter element 12 is precipitated,
Water filling device 20,
Purification device 30,
Ozone generation part 32,
Pipeline 33,
Micro-nano bubble generation part 34,
Reactor tank 36,
Aperture 361, water inlet 362, water outlet 363,
Hydrogen peroxide adds component 38,
Monitoring component 39,
Ozone tail gas is recycled component 31.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples, it and combines attached
Figure, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to explain this hair
It is bright, it is not intended to limit the present invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of contaminated site and groundwater remediation system, comprising:
It is set to the water plug 10 in Polluted area downstream；
It is set to the water filling device 20 of Polluted area upstream；
Purification device 30 between water plug 10 and water filling device 20 is set,
Purification device 30 includes ozone generation part 32, micro-nano bubble generation part 34 and reactor tank 36,
Micro-nano bubble generation part 34 is located inside reactor tank 36, ozone generation part 32 and micro-nano bubble generating unit
It is connected between part 34 by pipeline 33, reactor tank 36 further includes water inlet 362 and water outlet 363, water inlet 362 and water plug
10 connections, water outlet 363 are connect with water filling device 20；
For water plug 10 for extracting polluted underground water out from the Polluted area downstream, purification device 30 is used for will be described
Polluted underground water purified treatment in reactor tank 36 forms treated underground water, and water filling device 20 is used for described at
The underground water of reason refills the Polluted area upstream, make water the Polluted area, water plug 10, purification device 30 and
It is continuously flowed between water filling device 20, forms circulation.
Contaminated site and groundwater remediation system provided by the invention, in Polluted area downstream by contaminated site and underground water
Extraction enters purification device, and purification device generates the micro-nano bubble of ozone, the micro-nano gas of ozone in the polluted underground water of extraction
Bubble can persistently provide dissolved ozone there are the long period in water body, improve dissolved ozone concentration in water body, be dissolved with ozone
The water body of micro-nano bubble injects Polluted area upstream by water filling device, and the polluted underground water of upstream flows into downstream and is extracted again,
The circular treatment of sewage is formed while so that polluted underground water is realized in-situ immobilization, circular treatment keeps underground water in place effective
Enhancing, the micro-nano bubble migration velocity of ozone faster apart from farther, remediation efficiency is higher, repair coverage is bigger, repairing efficiency more
It is short；In addition, purification device produces in the polluted underground water of extraction in contaminated site provided by the invention and groundwater remediation system
The raw micro-nano bubble of ozone, can be such that pollutant in extracted polluted underground water is directly removed, while improving remediation efficiency
It is higher to the utilization rate of ozone.
Ozone generation part 32 enters micro-nano bubble generation part through pipeline 33 for providing ozone, the ozone of generation
34, in one embodiment, ozone generation part 32 is located at outside reactor tank 36, and ozone generation part 32 and micro-nano bubble occur
Be connected between component 34 by pipeline 33, reactor tank 36 further includes an aperture 361, pipeline 33 pass through aperture 361 and with aperture 361
It is tightly connected.
In one embodiment, water plug 10 further includes precipitating filter element 12, and precipitating filter element 12 is taken out for filtering
Polluted underground water out removes the solid impurities such as soil and sand grains in water.Dirt after precipitating 12 filtration treatment of filter element
Dye underground water enters in reactor tank 36, and the impurity being filtered off is recycled and focused on.
The polluted underground water in Polluted area downstream is drawn through water inlet 361 by water plug 10 and enters reactor tank 36, micro-
The ozone that nano bubble generation part 34 is provided using the polluted underground water and ozone generation part 32 that enter in reactor tank 36
Generate the micro-nano bubble of ozone.In one embodiment, the air inflow of micro-nano bubble generation part 34 is 1L/ in purification device 30
Min~10L/min, inflow are 10L/min~300L/min, by regulate and control micro-nano bubble generation part 34 air inflow and
The size and the micro-nano gas of ozone in water for the ozone bubbles that the adjustable micro-nano bubble generation part 34 of inflow generates
The concentration of bubble.In one embodiment, the concentration of the micro-nano bubble of ozone in water in the reactor tank is 108A/mL to 1010
A/mL.
In one embodiment, the ozone bubbles diameter that micro-nano bubble generation part 34 generates is 20nm~100nm.This is straight
Ozone bubbles within the scope of diameter have that the time is longer in water, can further improve the concentration of dissolved ozone in water body.
In one embodiment, the production gas velocity degree of ozone generation part 32 is 1L/min~10L/min, the ozone concentration of generation
For 80mg/L~150mg/L.
In one embodiment, purification device 30 further includes hydrogen peroxide addition component 38, and hydrogen peroxide adds component 38
In outside reactor tank 36, reactor tank 36 further includes inlet 364, and inlet 364 is connect with hydrogen peroxide addition component 38.Passed through
Hydrogen oxide adds component 364 and injects hydrogen peroxide in the water body into reactor tank 36, and hydrogen peroxide produces hydroxyl in conjunction with ozone
Base free radical, the hydroxyl radical free radical further increase the organic pollutant oxidative degradation ability with super strength in water body
To the removal ability and efficiency of pollutant.
In one embodiment, it is 40mg/min~1500mg/ that hydrogen peroxide addition component 38, which injects the speed of hydrogen peroxide,
min。
In one embodiment, purification device 30 further includes monitoring component 39, and monitoring component 39 is used for real-time monitoring reactor tank
In 36 in water body each substance concentration, including pollutant concentration, the micro-nano bubble concentration of ozone, dissolution ozone concentration and
The concentration of hydrogen peroxide.Monitoring component 39 can obtain the information of each substance in water in time, and it is raw to adjust the micro-nano bubble of ozone in real time
At speed and hydrogen peroxide adding speed, remediation efficiency is improved.
In one embodiment, the purification device further includes ozone tail gas recovery processing component 31, ozone tail gas recycling
Processing component 31 is for recycling the ozone tail gas leaked in the reactor tank and by its degradation treatment.Ozone tail gas recovery processing portion
Part 31 includes heating element and suction element, and ozone gas extra in reactor tank 36 is pumped into ozone tail gas by the suction element
It is recycled in component 31, ozone is decomposed through the heat treatment of the heating element.
In one embodiment, contaminated site and groundwater remediation system further comprise concatenated multiple purification devices 30.
Multiple series connection of purification device 30 form multistage degradation reaction, completely remove the pollutant in reactor tank 36 in water body and in water body
Contain the micro-nano bubble of enough ozone.
In one embodiment, the distance between water plug 10 and water filling device 20 are less than or equal to 10m.Water plug 10 with
The distance between water filling device 20 is excessive, and will cause the micro-nano bubble concentration of ozone in water reduces, and the repairing effect of sewage is deteriorated.
In one embodiment, the speed of drawing water of water plug 10 is 15L/min to 40L/min, the water filling of water filling device 20
Speed is 15L/min to 40L/min.The waterflood injection rate of draw water speed and the water filling device 20 of water plug 10 is adjustable, passes through
The flow velocity for adjusting water in the controllable cyclic process of waterflood injection rate of the draw water speed and water filling device 20 of water plug 10, in conjunction with
Micro-nano bubble generation part 34 produces water in concentration and reactor tank 36 of the speed of bubble to regulate and control the micro-nano bubble of ozone
The degradation situation of body pollution object.The adjusting of the waterflood injection rate of draw water speed and the water filling device 20 of water plug 10 may also be combined with prison
Component 39 is surveyed, when finding that water pollutant concentration is higher or no degradable in reactor tank 36, water plug 10 can be slowed down
Draw water speed and water filling device 20 waterflood injection rate, and accelerate the speed of production of the micro-nano bubble of ozone simultaneously.
The embodiment of the present invention also provides a kind of contaminated site and ground based on above-mentioned contaminated site and groundwater remediation system
It is lauched restorative procedure, comprising the following steps:
Polluted underground water is extracted out in Polluted area downstream using the water plug；
The micro-nano bubble of ozone is generated and by the micro-nano gas bubble of the ozone in the pumping using the purification device
In polluted underground water out, so that the polluted underground water to the extraction carries out purified treatment；
Treated underground water is injected in the Polluted area in Polluted area upstream using the water filling device；
Wherein, the step of extraction, the purified treatment and injection is carried out continuously, and forms water circulation.
The purification device generates the step of ozone micro-nano bubble and specifically includes, the ozone in the purification device
Generation part generates ozone, described in ozone that the micro-nano bubble generation part is provided in the ozone generation part and entrance
The micro-nano bubble of ozone is formed under the conditions of polluted underground water in reactor tank and is dissolved in the polluted underground water of the extraction, from
And purified treatment is carried out to the polluted underground water of the extraction.
In one embodiment, the step of polluted underground water to the extraction carries out purified treatment further include,
Hydrogen peroxide is injected into the polluted underground water of the extraction is dissolved in water the hydrogen peroxide, the peroxide
The concentration for changing hydrogen is 8mg/L to 10mg/L.
The mass ratio of hydrogen peroxide described in recirculated water and the micro-nano bubble of the ozone is 0.5:1~1:1.
In one embodiment, the step of polluted underground water to the extraction carries out purified treatment further include: utilize
The precipitating filter element is filtered the polluted underground water of the extraction；
In one embodiment, the step of polluted underground water to the extraction carries out purified treatment further comprises:
Using the concentration of each substance in water body in reactor tank described in the monitoring component real-time monitoring, institute is then adjusted according to actual needs
Water plug is stated to draw water speed, the air inflow and water inlet of the water filling device waterflood injection rate, the micro-nano bubble generation part
Amount, the production gas velocity degree of the ozone generation part and the ozone concentration of generation, hydrogen peroxide addition component inject peroxidating
The conditions such as the speed of hydrogen, to adjust the micro-nano bubble formation speed of ozone and hydrogen peroxide adding speed.
In one embodiment, the speed drawn water is 15L/min to 40L/min, and the speed of the water filling is 15L/min
To 40L/min.
In one embodiment, the size of the micro-nano bubble of the ozone is 20nm~100nm, the micro-nano bubble of ozone
Concentration be 5 × 107A/mL to 5 × 108A/mL.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of contaminated site and groundwater remediation system characterized by comprising
It is set to the water plug in Polluted area downstream；
It is set to the water filling device of Polluted area upstream；
Purification device between the water plug and the water filling device is set,
The purification device includes ozone generation part, micro-nano bubble generation part and reactor tank, the micro-nano bubble
Generation part is located inside the reactor tank, passes through pipe between the ozone generation part and the micro-nano bubble generation part
Road connection, the reactor tank includes inlet and outlet, and the water inlet is connect with the water plug, the water outlet and
The injection device connection；
For the water plug for extracting polluted underground water out from the Polluted area downstream, the purification device is used for will be described
Polluted underground water purified treatment in the reactor tank forms treated underground water, and the water filling device is used for the warp
The underground water for crossing processing refills the Polluted area upstream, makes water in the Polluted area, water plug, described net
Makeup set and the water filling device between continuously flow, formed circulation.
2. contaminated site according to claim 1 and groundwater remediation system, which is characterized in that the pumping of the water plug
Water speed is 10L/min to 100L/min, and the waterflood injection rate of the water filling device is 10L/min to 100L/min, described to draw water
The distance between device and the water filling device are less than or equal to 10m.
3. contaminated site according to claim 1 and groundwater remediation system, which is characterized in that the micro-nano bubble hair
The bubble diameter that raw component generates is 20nm~100nm.
4. contaminated site according to claim 1 and groundwater remediation system, which is characterized in that the micro-nano bubble hair
The air inflow of raw component is 1L/min~10L/min, and inflow is 10L/min~300L/min, the ozone generation part
Production gas velocity degree is 1L/min~10L/min, and the ozone concentration of generation is 80mg/L~150mg/L.
5. contaminated site according to claim 1 and groundwater remediation system, which is characterized in that the purification device also wraps
Hydrogen peroxide addition component is included, the reactor tank further includes inlet, and the inlet and hydrogen peroxide addition component connect
It connects, the speed of the hydrogen peroxide addition component injection hydrogen peroxide is 40mg/min~1500mg/min.
6. contaminated site according to claim 1 and groundwater remediation system, which is characterized in that the purification device also wraps
Include monitoring component, concentration of the monitoring component for each substance in water body in reactor tank described in real-time monitoring.
7. contaminated site according to claim 1 and groundwater remediation system, which is characterized in that the purification device also wraps
Ozone tail gas recovery processing component is included, the ozone tail gas recovery processing component is for recycling the ozone leaked in the reactor tank
Tail gas and by its degradation treatment.
8. contaminated site according to claim 1 and groundwater remediation system, which is characterized in that the water plug also wraps
Precipitating filter element is included, the precipitating filter element is used to filter the polluted underground water of extraction.
9. contaminated site according to claim 1 and groundwater remediation system, which is characterized in that including concatenated multiple institutes
State purification device.
10. a kind of contaminated site based on contaminated site described in any one of claim 1 to 9 and groundwater remediation system and
Groundwater remediation method, which comprises the following steps:
Polluted underground water is extracted out in Polluted area downstream using the water plug；
The micro-nano bubble of ozone is generated and by the micro-nano gas bubble of the ozone in the extraction using the purification device
In polluted underground water, so that the polluted underground water to the extraction carries out purified treatment；
Treated underground water is injected in the Polluted area in Polluted area upstream using the water filling device；
Wherein, the step of extraction, the purified treatment and injection is carried out continuously, and forms water circulation.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112028222A (en) * | 2020-07-13 | 2020-12-04 | 安徽国祯环境修复股份有限公司 | Underground water repairing system and method thereof |
| CN114477541A (en) * | 2022-01-27 | 2022-05-13 | 清华大学 | In-situ remediation system and remediation method for groundwater in polluted site |
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