CN114393019A - System for in-situ soil remediation and risk management and control of organochlorine pesticide contaminated site - Google Patents
System for in-situ soil remediation and risk management and control of organochlorine pesticide contaminated site Download PDFInfo
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- CN114393019A CN114393019A CN202210068012.2A CN202210068012A CN114393019A CN 114393019 A CN114393019 A CN 114393019A CN 202210068012 A CN202210068012 A CN 202210068012A CN 114393019 A CN114393019 A CN 114393019A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Abstract
The invention provides an in-situ soil remediation and risk control system for an organochlorine pesticide contaminated site, which relates to the technical field of contaminated site remediation and wind control and comprises the following steps: a pollution elimination system and a risk management and control system; the pollution elimination system comprises an in-situ remediation and removal module and/or a tail gas tail water treatment module, and the risk management and control module comprises a vertical risk management and control module; the in-situ remediation and removal module is used for removing organochlorine pesticides in a polluted site, and the tail gas tail water treatment module is used for treating waste water and/or waste gas generated by the in-situ remediation and removal module; the risk control system is arranged on the boundary of the pollution site and used for preventing and controlling pollution migration in the pollution site. The invention simultaneously comprises a pollution elimination system and a risk management and control system, can combine the pollution conditions of different organochlorine pesticide polluted sites and the actual land requirements, and can carry out flexible multistage combination, thereby realizing risk management and control and safe utilization of various organochlorine pesticide polluted soil.
Description
Technical Field
The invention relates to the technical field of polluted site restoration and wind control, in particular to a system for in-situ soil restoration and risk control of an organochlorine pesticide polluted site.
Background
The mass production of organochlorine pesticides such as dichlorodiphenyl trichloroethane, toxaphene, chlordane and the like in China is a large country for producing and using organochlorine pesticides in the world. With the sign of the stockholm convention and the acceleration of the urbanization process of China, a large number of organochlorine pesticide production fields are stopped or moved, and a large number of organochlorine pesticides are produced and left over to pollute the fields. As the organochlorine pesticide generally has the characteristics of high toxicity, long residue and difficult treatment, the organochlorine pesticide has great environmental risk and great harm to human health, and the pollution sites left by the organochlorine pesticide are mostly close to ecological sensitive areas such as residents or water sources, so that the pollution problem of soil and underground water is widely concerned by society and public opinion.
At present, the research on restoration and risk control of organochlorine pesticide contaminated sites in China is still less, the existing common technologies such as cement kiln cooperative treatment, an incineration method and the like have low treatment efficiency, secondary pollution risks such as peculiar smell and the like generated in the process of remote treatment are large, the treatment method is rough, risk control measures in the treatment process are lacked, and especially the technical research and cases aiming at the temporarily developed contaminated sites are lacked. It is necessary to develop a system for in-situ soil remediation and risk management and control with wide spectrum applicability, safety, reliability, economy and feasibility, improve the remediation and treatment capability of organochlorine pesticide contaminated sites in China, and meet the requirements of risk management and control and safe utilization of organochlorine pesticide left-over contaminated sites.
Disclosure of Invention
In view of the above, the invention provides a system for in-situ soil remediation and risk control of an organochlorine pesticide contaminated site, which is used for solving the problems of long-term risk control and safe utilization of the organochlorine pesticide contaminated site.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a system of organochlorine pesticide contaminated site normal position soil is restoreed and risk management and control, includes: a pollution elimination system and a risk management and control system;
the pollution elimination system comprises an in-situ remediation and removal module and/or a tail gas tail water treatment module, and the risk management and control module comprises a vertical risk management and control module;
the in-situ remediation and removal module is used for removing organochlorine pesticides in the polluted site, and the tail gas tail water treatment module is used for treating waste water and/or waste gas generated by the in-situ remediation and removal module;
the risk management and control system is arranged on the boundary of the pollution site and used for preventing and controlling pollution migration in the pollution site.
As a further improvement of the invention, the in-situ remediation and removal module comprises an in-situ agent injection module, and an agent is added into the polluted site through the in-situ agent injection module to clean the organochlorine pesticide.
As a further improvement of the invention, the in-situ repair and removal module comprises an in-situ electric heating module and an in-situ gas phase extraction module;
the in-situ electric heating module heats the organochlorine pesticide in the polluted site, cleans the organochlorine pesticide and generates waste gas; the in-situ vapor extraction module extracts waste gas and is connected with the tail gas tail water treatment module, and the tail gas tail water treatment module treats the waste gas.
As a further improvement of the present invention, the in-situ repair and removal module comprises an in-situ chemical injection module, an in-situ electrical heating module and an in-situ vapor extraction module;
adding a medicament into the polluted site through the in-situ medicament injection module, activating the medicament through heating of the in-situ electric heating module, and quickly reacting the activated medicament with an organic chlorine pesticide to generate waste gas;
the in-situ vapor extraction module extracts waste gas and is connected with the tail gas tail water treatment module, and the tail gas tail water treatment module treats the waste gas.
As a further improvement of the present invention,
the in-situ medicament injection module comprises medicament injection equipment, a medicament preparation device and an injection well;
the electric heating module comprises a heating device, a stability measuring device, a heating well and an intelligent electric control unit;
the in-situ vapor extraction module comprises a vacuum fan and a vapor extraction well.
As a further improvement of the invention, the tail gas and tail water treatment module comprises a tail gas treatment module and a tail water treatment module which are sequentially connected;
the extraction well of the in-situ gas phase extraction module is connected with the tail gas treatment module, and the tail gas treatment module comprises a cooling and leaching unit, a dust removal unit, a catalytic oxidation unit, an adsorption unit, an exhaust funnel and a real-time monitoring unit;
the tail water disposal module is connected with a liquid phase outlet of a cooling and leaching unit of the tail gas treatment unit, and the waste gas enters the tail water disposal module through a liquefaction part of the cooling and leaching unit to be treated.
As a further improvement, the risk control system further comprises a horizontal risk control module, and the horizontal risk control module is arranged on the upper side of the polluted site and used for preventing peculiar smell generated in the organochlorine pesticide treatment process from escaping.
As a further improvement of the invention, the vertical risk management and control module can adopt a rigid vertical management and control module, a flexible vertical management and control module, a composite vertical management and control module or an in-situ blocking reaction zone module;
the rigid vertical control module, the flexible vertical control module and the composite vertical control module respectively comprise a vertical barrier and a detection control well, and the materials of the vertical barriers are different;
the in-situ blocking reaction zone comprises an in-situ injection well, an injection pipeline, a blocking medicament and a monitoring control well.
As a further improvement of the invention, the horizontal risk management and control module can adopt a horizontal physical management and control module and a horizontal biological management and control module.
As a further improvement of the present invention,
the horizontal physical management and control module comprises a horizontal barrier;
the horizontal biological control module comprises a microbial carrier, a microbial agent and a fabric surface layer resistance control layer.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a technical scheme of a set of system, which simultaneously comprises a pollution elimination system and a risk management and control system, can be combined with the pollution situation of different organochlorine pesticide polluted sites and the actual land requirement to carry out flexible multistage combination, realizes risk management and control and safe utilization of various organochlorine pesticide polluted soils, and has good popularization and application.
The pollution elimination system comprises the in-situ remediation and removal module and the tail water and tail gas treatment module, so that the site pollution source can be effectively and thoroughly removed, and the secondary pollution such as peculiar smell generated by site disturbance can be effectively reduced by the in-situ remediation mode compared with the ex-situ remediation mode.
The risk control system provided by the invention comprises a vertical risk control module and a horizontal risk control module, each module comprises a plurality of pollution control schemes such as physics, chemistry and biology, and further migration of pollutants in the organochlorine pesticide pollution site can be effectively prevented and controlled, and risk control is carried out.
The in-situ remediation and removal module disclosed by the invention adopts a flexible combination of various technologies such as in-situ heat treatment, in-situ vapor extraction and in-situ medicament injection, can efficiently coordinate various functions such as chemical oxidation, chemical reduction, heat-enhanced oxidation, heat-enhanced hydrolysis and thermal cracking in combination with the actual requirements of a field area, and can effectively remove pollutants in an organochlorine pesticide high-pollution area.
According to the invention, each system module can be combined with the actual situation of the organochlorine pesticide polluted site to carry out multistage flexible combination, the soil remediation and risk control of the organochlorine pesticide polluted site can be completed by using the system, the rapid remediation and long-acting risk control of the organochlorine-containing polluted site are realized, and the system is suitable for large-scale popularization.
Drawings
FIG. 1 is a schematic view of a system for in-situ soil remediation and risk management and control of an organochlorine pesticide contaminated site, according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of a system for in-situ soil remediation and risk management and control of an organochlorine pesticide contaminated site, according to an embodiment of the invention.
Description of reference numerals:
1. an in-situ repair removal module; 2. a tail water and tail gas treatment module; 3. a vertical risk management and control module; 4. a horizontal risk management and control module; 5. a heating well; 6. an injection well; 7. a gas extraction well; 8. an intelligent electric control system; 9. a medicament injection device; 10. a vacuum fan; 11. a tail gas treatment module; 12. and a tail water treatment module.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention is described in further detail below with reference to the attached drawing figures:
as shown in fig. 1, the system for in-situ soil remediation and risk management and control of an organochlorine pesticide contaminated site provided by the invention comprises: a pollution elimination system and a risk management and control system;
the pollution elimination system comprises an in-situ remediation and removal module 1 and/or a tail gas tail water treatment module, and the risk management and control module comprises a vertical risk management and control module 3; the tail gas tail water treatment module is used for treating the waste water and/or the waste gas generated by the in-situ repairing and removing module 1;
the risk control system is arranged on the boundary of the pollution site and used for preventing and controlling pollution migration in the pollution site.
The in-situ repairing and cleaning module 1 comprises an in-situ medicament injection module, an in-situ electric heating module and an in-situ gas phase extraction module, and can be flexibly applied singly or in combination according to site requirements;
for example,
the organochlorine pesticide can be cleaned only by adopting the in-situ reagent injection module and adding the reagent into the polluted site through the in-situ reagent injection module.
The in-situ electric heating module and the in-situ gas phase extraction module can be used for a second time, the in-situ electric heating module is used for heating the organochlorine pesticide in the polluted site, cleaning the organochlorine pesticide and generating waste gas; the in-situ gas phase extraction module extracts the waste gas and is connected with the tail gas tail water treatment module, and the tail gas tail water treatment module treats the waste gas.
An in-situ medicament injection module, an in-situ electric heating module and an in-situ gas phase extraction module can be further adopted, medicaments are added into the polluted site through the in-situ medicament injection module, the medicaments are activated through heating of the in-situ electric heating module, and the medicaments are rapidly reacted with the organochlorine pesticide to generate waste gas; the in-situ gas phase extraction module extracts the waste gas and is connected with the tail gas tail water treatment module, and the tail gas tail water treatment module treats the waste gas.
Further, in the above-mentioned case,
the in-situ medicament injection module comprises medicament injection equipment 9, medicament injection equipment, a medicament preparation device and an injection well 6;
the electric heating module comprises a heating device, a stability measuring device, a heating well 5 and an intelligent electric control unit;
the in-situ vapor extraction module comprises a vacuum fan 10 and a vapor extraction well;
the injection well 6, the heating well 5 and the vapor extraction well can be arranged in sequence to form one or more groups.
In addition, the first and second substrates are,
the tail gas and tail water treatment module comprises a tail gas treatment module 11 and a tail water treatment module 12 which are sequentially connected; an extraction well of the in-situ gas phase extraction module is connected with a tail gas treatment module 11, and the tail gas treatment module 11 comprises a cooling leaching unit, a dust removal unit, a catalytic oxidation unit, an adsorption unit, an exhaust funnel and a real-time monitoring unit which are sequentially arranged; the tail water treatment module 12 is connected with a liquid phase outlet of a cooling and leaching unit of the tail gas treatment unit, the liquefied part of the waste gas enters the tail water treatment module 12 through the cooling and leaching unit, and the tail water treatment module comprises a precipitation unit, an advanced oxidation unit, a flocculation precipitation unit and an effluent filtering unit and is used for sequentially treating tail water.
For a risk management system:
the vertical risk management and control module 3 can adopt a rigid vertical management and control module, a flexible vertical management and control module, a composite vertical management and control module or an in-situ barrier reaction zone module;
the rigid vertical control module, the flexible vertical control module and the composite vertical control module respectively comprise a vertical barrier and a detection control well, and the materials of the vertical barriers are different;
namely:
the rigid vertical control module comprises a rigid vertical barrier and a monitoring control well, and the rigid vertical barrier can be made of soil, cement, concrete and the like;
the flexible vertical control module comprises a flexible vertical barrier and a monitoring control well, and the flexible vertical barrier can be made of HDPE geomembrane, GCL blanket, bentonite or modified bentonite;
the composite vertical management and control module consists of a composite vertical barrier and a monitoring well, and the composite vertical barrier can be made of HDPE geomembrane + bentonite, GCL blanket + bentonite, HDPE geomembrane + modified bentonite, GCL blanket + modified bentonite;
the in situ barrier reaction zone includes in situ injection wells 6, injection tubing, barrier agents and monitoring management wells.
In addition, the first and second substrates are,
risk management and control system still can include horizontal risk management and control module 4, and pollution place upside is located to horizontal risk management and control module 4, need be equipped with according to the pollution elimination system, and if organochlorine pesticide peculiar smell is serious, the pollution elimination reaction process produces the circumstances such as peculiar smell, can prevent the peculiar smell loss that organochlorine pesticide treatment process produced, guarantees to deal with the in-process atmosphere monitoring in the place qualified.
Wherein the content of the first and second substances,
the horizontal risk management and control module 4 may adopt a horizontal physical management and control module and a horizontal biological management and control module.
The horizontal physical management and control module comprises a horizontal barrier, and the barrier material can be single material or combined material such as cement, clay, HDPE geomembrane, GCL blanket and the like;
the horizontal biological control module comprises a microbial carrier, a microbial agent and a fabric surface layer control layer.
Example 1:
taking a pesticide pollution site to be developed as an example, a system for in-situ soil remediation and risk control is applied to the site, and the conditions are as follows:
the system is provided with an in-situ remediation and cleaning module 1, a tail water and tail gas treatment module 2, a vertical risk management and control module 3 and a horizontal risk management and control module 4.
The in-situ repairing and removing module 1 adopts an in-situ electric heating module, an in-situ medicament injection module and an in-situ gas phase extraction module; the in-situ electric heating module comprises a heating device, a temperature measuring and monitoring device, a heating well 5 and an intelligent electric control system 8, wherein the intelligent electric control system 8 acquires the temperature of the temperature measuring and monitoring device and supplies power to the heating device according to a preset temperature; the in-situ medicament injection module comprises medicament injection equipment 9, a medicament injection pipeline, a medicament preparation device and an injection well 6; the in-situ gas phase extraction module consists of a vacuum fan 10 and a gas extraction well 7, wherein an injection well 6, a heating well 5 and the gas extraction well 7 are tightly arranged in sequence; the heating temperature of the in-situ electric heating module is 55 ℃, and the temperature in the field is controlled by the intelligent electric control system 8; the injection agent of the in-situ agent injection module is a sodium persulfate agent which is activated under an electric heating condition, so that the pollutant removal efficiency can be obviously improved.
The tail water and tail gas treatment module 2 comprises a tail gas treatment module 11 and a tail water treatment module 12; the tail gas treatment module 11 comprises a cooling and leaching unit, a dust removal unit, a catalytic oxidation unit, an adsorption unit, an exhaust funnel and a real-time monitoring unit which are arranged in sequence; the tail water treatment module 12 comprises a precipitation unit, an advanced oxidation unit, a flocculation precipitation unit and an effluent filtering unit; an air inlet of the tail gas treatment module 11 is connected with the gas extraction well 7 in the in-situ gas phase extraction module, and a water inlet of the tail water treatment module 12 is connected with a liquid phase outlet in the cooling and leaching unit.
The vertical risk management and control module 3 adopts a rigid vertical management and control module; the rigid vertical barrier material adopts concrete; the horizontal risk management and control module 4 adopts a horizontal physical management and control module which is a horizontal barrier, and the barrier material adopts cement. The vertical risk control module 3 effectively prevents pollution migration in a field, and pollutants are not found to migrate to the downstream of the vertical risk control module 3 in the treatment process; the horizontal risk management and control system effectively avoids heat loss and prevents the peculiar smell problem caused by loss under the heating condition of the organochlorine pesticide, and atmosphere monitoring in the site is qualified in the disposal process.
Example 2:
taking a pesticide pollution site which is developed temporarily as an example, a system for in-situ soil remediation and risk management and control is applied in the site, and the conditions are as follows:
the system is provided with an in-situ remediation and cleaning module 1, a tail water and tail gas treatment module 2, a vertical risk management and control module 3 and a horizontal risk management and control module 4.
The in-situ cleaning module only adopts an in-situ medicament injection module, comprises medicament injection equipment 9, a medicament injection pipeline, a medicament preparation device and an injection well 6, and obtains the reflected wastewater after adding the medicament into the organochlorine pesticide polluted site.
The tail water and tail gas treatment module 2 is only provided with a tail water treatment module 12, comprises a precipitation unit, an advanced oxidation unit, a flocculation precipitation unit and an effluent filtering unit which are connected in sequence, and is used for treating wastewater in sequence, recycling the wastewater after reaching the discharge standard and using the wastewater as water for adding on-site medicaments and the like.
The vertical risk management and control module 3 adopts a flexible vertical management and control module which comprises a flexible vertical barrier and is made of HDPE geomembrane; the horizontal risk management and control module 4 adopts a horizontal physical management and control module and a horizontal biological management and control module, the horizontal physical management and control module is a horizontal barrier, and the barrier is made of HDPE geomembrane; the horizontal biological control module consists of a microbial carrier, a microbial agent and a plant surface layer resistance control layer.
Vertical risk management and control module 3 and horizontal risk management and control module 4 have effectively hindered the pollution migration in the place, have avoided the peculiar smell problem of organochlorine pesticide, deal with in-process atmosphere monitoring in the place qualified, deal with the long-term monitoring behind the process and do not discover the pollutant migration to vertical risk management and control module 3 low reaches.
The invention has the advantages that:
the invention provides a technical scheme of a set of system, which simultaneously comprises a pollution elimination system and a risk management and control system, can be combined with the pollution situation of different organochlorine pesticide polluted sites and the actual land requirement to carry out flexible multistage combination, realizes risk management and control and safe utilization of various organochlorine pesticide polluted soils, and has good popularization and application.
The pollution elimination system comprises the in-situ remediation and removal module and the tail water and tail gas treatment module, so that the site pollution source can be effectively and thoroughly removed, and the secondary pollution such as peculiar smell generated by site disturbance can be effectively reduced by the in-situ remediation mode compared with the ex-situ remediation mode.
The risk control system provided by the invention comprises a vertical risk control module and a horizontal risk control module, each module comprises a plurality of pollution control schemes such as physics, chemistry and biology, and further migration of pollutants in the organochlorine pesticide pollution site can be effectively prevented and controlled, and risk control is carried out.
The in-situ remediation and removal module disclosed by the invention adopts a flexible combination of various technologies such as in-situ heat treatment, in-situ vapor extraction and in-situ medicament injection, can efficiently coordinate various functions such as chemical oxidation, chemical reduction, heat-enhanced oxidation, heat-enhanced hydrolysis and thermal cracking in combination with the actual requirements of a field area, and can effectively remove pollutants in an organochlorine pesticide high-pollution area.
According to the invention, each system module can be combined with the actual situation of the organochlorine pesticide polluted site to carry out multistage flexible combination, the soil remediation and risk control of the organochlorine pesticide polluted site can be completed by using the system, the rapid remediation and long-acting risk control of the organochlorine-containing polluted site are realized, and the system is suitable for large-scale popularization.
The risk control system and the pollution elimination system can be used jointly or singly in combination with actual site requirements, pollution is prevented from spreading to downstream or peculiar smell is prevented from escaping from a temporarily developed polluted site only through the risk control system, and risk control and safe utilization of various types of organochlorine pesticide polluted sites (urgent development, temporary development and the like) are achieved.
The above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a system for organochlorine pesticide contaminated site normal position soil is restoreed and risk management and control, its characterized in that includes: a pollution elimination system and a risk management and control system;
the pollution elimination system comprises an in-situ remediation and removal module and/or a tail gas tail water treatment module, and the risk management and control module comprises a vertical risk management and control module;
the in-situ remediation and removal module is used for removing organochlorine pesticides in the polluted site, and the tail gas tail water treatment module is used for treating waste water and/or waste gas generated by the in-situ remediation and removal module;
the risk management and control system is arranged on the boundary of the pollution site and used for preventing and controlling pollution migration in the pollution site.
2. The system of claim 1, wherein: the in-situ remediation and removal module comprises an in-situ agent injection module, and agents are added into the polluted site through the in-situ agent injection module to clean the organochlorine pesticide.
3. The system of claim 1, wherein: the in-situ repair and removal module comprises an in-situ electric heating module and an in-situ gas phase extraction module;
the in-situ electric heating module heats the organochlorine pesticide in the polluted site, cleans the organochlorine pesticide and generates waste gas; the in-situ vapor extraction module extracts waste gas and is connected with the tail gas tail water treatment module, and the tail gas tail water treatment module treats the waste gas.
4. The system of claim 1, wherein: the in-situ repairing and removing module comprises an in-situ medicament injection module, an in-situ electric heating module and an in-situ gas phase extraction module;
adding a medicament into the polluted site through the in-situ medicament injection module, activating the medicament through heating of the in-situ electric heating module, and quickly reacting the activated medicament with an organic chlorine pesticide to generate waste gas;
the in-situ vapor extraction module extracts waste gas and is connected with the tail gas tail water treatment module, and the tail gas tail water treatment module treats the waste gas.
5. The system of claim 4, wherein:
the in-situ medicament injection module comprises medicament injection equipment, a medicament preparation device and an injection well;
the electric heating module comprises a heating device, a stability measuring device, a heating well and an intelligent electric control unit;
the in-situ vapor extraction module comprises a vacuum fan and a vapor extraction well.
6. The system according to claim 3 or 4, characterized in that: the tail gas and tail water treatment module comprises a tail gas treatment module and a tail water treatment module which are sequentially connected;
the extraction well of the in-situ gas phase extraction module is connected with the tail gas treatment module, and the tail gas treatment module comprises a cooling and leaching unit, a dust removal unit, a catalytic oxidation unit, an adsorption unit, an exhaust funnel and a real-time monitoring unit;
the tail water disposal module is connected with a liquid phase outlet of a cooling and leaching unit of the tail gas treatment unit, and the waste gas enters the tail water disposal module through a liquefaction part of the cooling and leaching unit to be treated.
7. The system of claim 1, wherein: the risk management and control system further comprises a horizontal risk management and control module, wherein the horizontal risk management and control module is arranged on the upper side of the pollution site to prevent peculiar smell generated in the organochlorine pesticide treatment process from escaping.
8. The system of claim 7, wherein: the vertical risk management and control module can adopt a rigid vertical management and control module, a flexible vertical management and control module, a composite vertical management and control module or an in-situ barrier reaction zone module;
the rigid vertical control module, the flexible vertical control module and the composite vertical control module respectively comprise a vertical barrier and a detection control well, and the materials of the vertical barriers are different;
the in-situ blocking reaction zone comprises an in-situ injection well, an injection pipeline, a blocking medicament and a monitoring control well.
9. The system of claim 7, wherein: the horizontal risk management and control module can adopt a horizontal physical management and control module and a horizontal biological management and control module.
10. The system of claim 9, wherein:
the horizontal physical management and control module comprises a horizontal barrier;
the horizontal biological control module comprises a microbial carrier, a microbial agent and a fabric surface layer resistance control layer.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580993A (en) * | 2012-02-21 | 2012-07-18 | 天津生态城环保有限公司 | In-situ remediation technology for organic polluted soil |
| CN106734151A (en) * | 2017-01-11 | 2017-05-31 | 北京高能时代环境技术股份有限公司 | For the resistance heating original position thermal desorption repair system of VOCs contaminated sites |
| CN206382324U (en) * | 2016-12-26 | 2017-08-08 | 北京高能时代环境技术股份有限公司 | Strengthen repair system in a kind of organic contamination place |
| CN206731803U (en) * | 2017-05-19 | 2017-12-12 | 上海守安高达土壤处理技术有限公司 | Contaminated site In-situ reaction formula thermal desorption repair system |
| CN111495948A (en) * | 2020-04-13 | 2020-08-07 | 上海市城市建设设计研究总院（集团）有限公司 | Contaminated site risk management and control cooperative remediation system based on functional separation |
| CN111569625A (en) * | 2020-05-08 | 2020-08-25 | 北京建工环境修复股份有限公司 | System and method for in-situ removing and purifying peculiar smell in pesticide polluted site |
| CN111804720A (en) * | 2020-07-01 | 2020-10-23 | 北京高能时代环境技术股份有限公司 | In-situ remediation method and remediation system for composite organic contaminated site |
| CN113172084A (en) * | 2021-05-10 | 2021-07-27 | 江苏大地益源环境修复有限公司 | Soil remediation system and method for enhancing thermal desorption effect |
| CN214184573U (en) * | 2020-11-30 | 2021-09-14 | 天津华勘环保科技有限公司 | Integrated system for reinforcing microorganism to restore organic polluted soil and underground water |
-
2022
- 2022-01-20 CN CN202210068012.2A patent/CN114393019A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580993A (en) * | 2012-02-21 | 2012-07-18 | 天津生态城环保有限公司 | In-situ remediation technology for organic polluted soil |
| CN206382324U (en) * | 2016-12-26 | 2017-08-08 | 北京高能时代环境技术股份有限公司 | Strengthen repair system in a kind of organic contamination place |
| CN106734151A (en) * | 2017-01-11 | 2017-05-31 | 北京高能时代环境技术股份有限公司 | For the resistance heating original position thermal desorption repair system of VOCs contaminated sites |
| CN206731803U (en) * | 2017-05-19 | 2017-12-12 | 上海守安高达土壤处理技术有限公司 | Contaminated site In-situ reaction formula thermal desorption repair system |
| CN111495948A (en) * | 2020-04-13 | 2020-08-07 | 上海市城市建设设计研究总院（集团）有限公司 | Contaminated site risk management and control cooperative remediation system based on functional separation |
| CN111569625A (en) * | 2020-05-08 | 2020-08-25 | 北京建工环境修复股份有限公司 | System and method for in-situ removing and purifying peculiar smell in pesticide polluted site |
| CN111804720A (en) * | 2020-07-01 | 2020-10-23 | 北京高能时代环境技术股份有限公司 | In-situ remediation method and remediation system for composite organic contaminated site |
| CN214184573U (en) * | 2020-11-30 | 2021-09-14 | 天津华勘环保科技有限公司 | Integrated system for reinforcing microorganism to restore organic polluted soil and underground water |
| CN113172084A (en) * | 2021-05-10 | 2021-07-27 | 江苏大地益源环境修复有限公司 | Soil remediation system and method for enhancing thermal desorption effect |
Non-Patent Citations (1)
| Title |
|---|
| 李志涛等: "污染地块环境风险管控对策研究", 《环境保护科学》 * |
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