CN207418539U - A kind of underground water in-situ repairing device by organochlorine pesticide pollution - Google Patents
A kind of underground water in-situ repairing device by organochlorine pesticide pollution Download PDFInfo
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- CN207418539U CN207418539U CN201721466408.3U CN201721466408U CN207418539U CN 207418539 U CN207418539 U CN 207418539U CN 201721466408 U CN201721466408 U CN 201721466408U CN 207418539 U CN207418539 U CN 207418539U
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- underground water
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- physical absorption
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000003993 organochlorine pesticide Substances 0.000 title claims abstract description 18
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 16
- 238000010521 absorption reaction Methods 0.000 claims abstract description 28
- 230000004888 barrier function Effects 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 13
- 239000006004 Quartz sand Substances 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 7
- 239000002689 soil Substances 0.000 claims abstract description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 3
- 150000004767 nitrides Chemical class 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 239000003673 groundwater Substances 0.000 abstract description 12
- 230000000813 microbial effect Effects 0.000 abstract description 10
- 239000000126 substance Substances 0.000 abstract description 7
- 238000005067 remediation Methods 0.000 abstract description 5
- 230000008439 repair process Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000003344 environmental pollutant Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 244000005700 microbiome Species 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 150000004045 organic chlorine compounds Chemical class 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000040710 Chela Species 0.000 description 1
- 241000726221 Gemma Species 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model is related to groundwater remediation technical field more particularly to a kind of underground water in-situ repairing devices by organochlorine pesticide pollution.Including the physical absorption reaction wall for running through soil and groundwater water table aquifer and funneling permeable reactive barrier, the funneling permeable reactive barrier is arranged on the downstream of physical absorption reaction wall, the physical absorption reaction wall includes powder activity carbon layer, modified montmorillonoid layer and microbial layer, the funneling permeable reactive barrier includes the biological respinse permeable wall of the water stop for being arranged on funneling permeable reactive barrier both sides and connection both sides water stop, and the biological respinse permeable wall includes quartz sand layer, filled layer and microbial layer.Physical absorption is combined by this device with biological respinse, can repair mainly by the underground water of organochlorine pesticide pollution, have good organic Recalcitrant chemicals removal rate so that treated, and underground water meets underground water water standard.
Description
Technical field
The utility model is related to groundwater remediation technical field more particularly to a kind of underground water by organochlorine pesticide pollution
In-situ repairing device.
Background technology
With the development of China's industrial or agricultural and widely using for chemical products, a large amount of artificial synthesized organic compounds pass through
Various approach enter underground environment, cause the Organic Contamination of Groundwater such as days such as polycyclic aromatic hydrocarbon, chlorohydrocarbon, Polychlorinated biphenyls, petroleum hydrocarbon
It is beneficial serious.The contamination with chlorinated organics of the generally existing in underground water such as chlorohydrocarbon, Polychlorinated biphenyls, organo-chlorine pesticide has difficult drop
Xie Xing, high bioaccumulation and " three cause " effect is carcinogenic, teratogenesis, mutagenesis, ecological environment and health can be generated serious
Harm, therefore, how effective treating groundwater chlorinated organics pollute the focus of attention for having become environment remediation field.
Polluted underground water recovery technique includes two kinds of showering and in-situ immobilization.Showering technology is also known as at extraction
Reason technology is that contaminated underground water is evacuated to a kind of technology that earth's surface handles again；Showering technology mainly includes object
Logos, chemical method and biological treatment have the advantages that treating capacity is big in a short time, treatment effeciency is high, but the cost is relatively high.
Based technique for in-situ remediation be extraction process is saved under conditions of human intervention, one kind in the original location by Polluted Groundwater reparation is controlled
Reason technology common are underground water aeration method, situ heat treatment technology, in situ chemical oxidation and permeable reactive barrier and repair skill
Art.
According to the definition of U.S.EPA EPA：" PRB is a dependent response area for being filled with Active reaction medium material,
When contaminated underground water passes through permeable coefficient tensor, polluter can be degraded or fix.Polluter relies on Natural Water
When power is transported by pre-designed reaction medium, medium can to the organic matter of dissolving, metal, nucleic and other pollutants into
Row degradation, absorption, precipitation or removal ".Reducing agent containing degradable volatile organic matter, the chela of fixed metal in reaction wall
(network) mixture, also have can provide the required nutrients of microbial growth and oxygen, to enhance biological treatment other
Substance etc..
Permeable reactive barrier is a kind of groundwater treatment system for being built in underground, abbreviation PRB technologies Permeable
Reactive Barrier.Permeable reactive barrier is a kind of underground water based technique for in-situ remediation occurred at the end of the 20th century, is at present
Hot spot in lower water repairing research field.Permeable reactive barrier recovery technique mainly includes physical absorption reaction wall, chemical precipitation
Reaction wall and biological respinse wall.It is anti-by the reduction of materials for wall when being contacted with wall dielectric material when pollution clouds flow through within the walls
Should, degradation, absorption, a series of physical, chemistry, the bioprocess such as leaching, the pollution components in pollution clouds are degraded or stagnant
It stays in wall, so as to achieve the purpose that groundwater environmental repairing.
Permeable coefficient tensor repairing effect is affected by various factors, as pollutant type, groundwater velocity and other
Hydrology ground condition etc..Major pollutant in underground water is usually heavy metal, poisonous and harmful substance, organic pollution etc..It grinds
Study carefully show permeable coefficient tensor dielectric material and targetedly microorganism selection be subsurface wastewater infiltration system reaction wall repairing effect
Key whether good.
Utility model content
The purpose of this utility model is to provide a kind of underground water in-situ repairing device by organochlorine pesticide pollution, solves
Physical absorption is specifically combined by the problem of in background technology with biological respinse, can be repaired mainly by organochlorine pesticide pollution
Underground water has good organic Recalcitrant chemicals removal rate so that treated, and underground water meets underground water water standard.
To achieve these goals, the technical solution of the utility model is：A kind of underground water by organochlorine pesticide pollution
In-situ repairing device, it is characterised in that：Including run through the physical absorption reaction wall of soil and groundwater water table aquifer with it is funneling can
Permeable reactive wall, the funneling permeable reactive barrier are arranged on the downstream of physical absorption reaction wall, and the physical absorption is anti-
Wall is answered to include powder activity carbon layer, modified montmorillonoid layer and microbial layer, the funneling permeable reactive barrier includes being arranged on
The water stop of funneling permeable reactive barrier both sides and the biological respinse permeable wall of connection both sides water stop, the biological respinse
Permeable wall includes quartz sand layer, filled layer and microbial layer.
The utility model compared with prior art, has the advantages that：
1st, organochlorine pesticide pollution is contained with the compound permeable coefficient tensor processing that biological respinse is combined using physical absorption
Underground water, simple in structure, removal rate is high so that water outlet meets quality of groundwater standard；
2nd, in physical absorption reaction wall, the preferably Powdered Activated Carbon of certain proportion mixing and modified montmorillonoid is as inhaling
Enclosure material, absorption property is good, can retention part organochlorine compound；
3rd, funneling reaction wall is taken to design in biological respinse wall, cost of manufacture has been saved, and has been set with reference to the special of wall
Meter and the selection of microorganism, the organo-chlorine pesticide removal rate of final outflow water reach 98%.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Reference numeral：
10- physical absorption reaction walls；The funneling permeable reactive barriers of 20-；11- powder activity carbon layers；12- modified montmorillonoids
Layer；21- water stops；22- biological respinse permeable walls；23- quartz sand layers；24- filled layers；25- microbial layers.
Specific embodiment
Referring to the drawings 1, a kind of underground water in-situ repairing device by organochlorine pesticide pollution, it is characterised in that：Including passing through
The physical absorption reaction wall 10 of soil and groundwater water table aquifer and funneling permeable reactive barrier 20 are worn, it is described funneling permeable
Reaction wall 20 is arranged on the downstream of physical absorption reaction wall 10, and the physical absorption reaction wall 10 includes powder activity carbon layer
11st, modified montmorillonoid layer 12 and microbial layer 13, the funneling permeable reactive barrier 20 include being arranged on funneling permeable
The water stop 21 of 20 both sides of reaction wall and the biological respinse permeable wall 22 of connection both sides water stop 21, the biological respinse are permeable
Wall 22 includes quartz sand layer 23, filled layer 24 and microbial layer 25, and the accumulation of pollutants of wall is avoided to result in blockage, and designs wall
Both sides for quartz sand layer, centre is filled layer, is arranged on the microbial layer 25 on 23 surface of quartz sand layer.The water penetration of the wall
By force, high treating effect, by screening and optimizing, microbial layer 25 selects have the good gemma bar of degradation property to organo-chlorine pesticide
Bacterium and pseudomonad are as microorganism.It, can be vertical under the effect of gravity after organochlorine compound is from pollution sources seepage flow to underground
It migrates downward into, after pollutant passes through soil, horizontal proliferation can occur under subsurface flow effect, so as to cause underground water dirty
Dye.According to physical absorption reaction wall 10 preceding, funneling 20 posterior order of permeable reactive barrier builds installation permeable reactive wall
System.The specific nutrient source grown by the use of N, P-compound as microorganism, when contaminated underground water is reacted through physical absorption
When wall 10 and funneling permeable reactive barrier 20, filtering, absorption, biodegradation are utilized so that the underground water of pollutant obtains
To purification.
Preferably, the thickness of the physical absorption reaction wall 10 is set to 40-60cm.
Preferably, the thickness of the powder activity carbon layer 11 in the physical absorption reaction wall 10 and modified montmorillonoid layer 12
Than for 1：2~1：3.
Preferably, the thickness of wall body of the funneling permeable reactive barrier 20 is set to 30-40cm.
Preferably, the thickness ratio of the quartz sand layer 23 and filled layer 24 is 1：3~1：5.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply the utility model principle, on the premise of not departing from the spirit and scope of the utility model the utility model also have respectively
Kind changes and improvements, these changes and improvements are both fallen in claimed the scope of the utility model.The requires of the utility model
Protection domain defined by appended claims and its equivalent.
Claims (5)
1. a kind of underground water in-situ repairing device by organochlorine pesticide pollution, it is characterised in that：Including running through soil and underground
The physical absorption reaction wall (10) of water water table aquifer and funneling permeable reactive barrier (20), the funneling permeable reactive barrier
(20) downstream of physical absorption reaction wall (10) is arranged on, the physical absorption reaction wall (10) includes powder activity carbon layer
(11), modified montmorillonoid layer (12), the funneling permeable reactive barrier (20) include being arranged on funneling permeable reactive barrier
(20) the biological respinse permeable wall (22) of the water stop (21) of both sides and connection both sides water stop (21), the biological respinse are saturating
Waterwall (22) includes the quartz sand layer (23) of both sides, intermediate filled layer (24) and the micro- life for being arranged on quartz sand layer (23) surface
Nitride layer (25).
2. a kind of underground water in-situ repairing device by organochlorine pesticide pollution according to claim 1, it is characterised in that：
The thickness of the physical absorption reaction wall (10) is set to 40-60cm.
3. a kind of underground water in-situ repairing device by organochlorine pesticide pollution according to claim 1 or 2, feature exist
In：The powder activity carbon layer (11) and the thickness ratio of modified montmorillonoid layer (12) that the physical absorption reaction wall (10) includes be
1：2~1：3.
4. a kind of underground water in-situ repairing device by organochlorine pesticide pollution according to claim 1, it is characterised in that：
The thickness of wall body of the funneling permeable reactive barrier (20) is set to 30-40cm.
5. a kind of underground water in-situ repairing device by organochlorine pesticide pollution according to claim 1 or 4, feature exist
In：The thickness ratio of the quartz sand layer (23) and filled layer (24) is 1：3~1：5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721466408.3U CN207418539U (en) | 2017-11-07 | 2017-11-07 | A kind of underground water in-situ repairing device by organochlorine pesticide pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721466408.3U CN207418539U (en) | 2017-11-07 | 2017-11-07 | A kind of underground water in-situ repairing device by organochlorine pesticide pollution |
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| Publication Number | Publication Date |
|---|---|
| CN207418539U true CN207418539U (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721466408.3U Expired - Fee Related CN207418539U (en) | 2017-11-07 | 2017-11-07 | A kind of underground water in-situ repairing device by organochlorine pesticide pollution |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976603A (en) * | 2021-11-08 | 2022-01-28 | 北京艾孚润德环境科技有限责任公司 | In-situ soil remediation process for treating underground water based on multilayer reaction wall technology |
| CN114853153A (en) * | 2022-04-07 | 2022-08-05 | 航天凯天环保科技股份有限公司 | Microorganism-combined PRB (reactive Barrier concrete) remediation system and application thereof in-situ remediation of antibiotic-polluted groundwater |
| CN115518973A (en) * | 2022-08-31 | 2022-12-27 | 北京首创环境科技有限公司 | Groundwater pollution remediation system and method |
| CN117049713A (en) * | 2023-09-01 | 2023-11-14 | 广东万山环境科技有限公司 | Groundwater pollution restoration system and method for permeable reactive barrier coupling enriched plants |
-
2017
- 2017-11-07 CN CN201721466408.3U patent/CN207418539U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976603A (en) * | 2021-11-08 | 2022-01-28 | 北京艾孚润德环境科技有限责任公司 | In-situ soil remediation process for treating underground water based on multilayer reaction wall technology |
| CN114853153A (en) * | 2022-04-07 | 2022-08-05 | 航天凯天环保科技股份有限公司 | Microorganism-combined PRB (reactive Barrier concrete) remediation system and application thereof in-situ remediation of antibiotic-polluted groundwater |
| CN114853153B (en) * | 2022-04-07 | 2023-12-15 | 航天凯天环保科技股份有限公司 | Microorganism-combined PRB repair system and application thereof in-situ repair of antibiotic-polluted groundwater |
| CN115518973A (en) * | 2022-08-31 | 2022-12-27 | 北京首创环境科技有限公司 | Groundwater pollution remediation system and method |
| CN117049713A (en) * | 2023-09-01 | 2023-11-14 | 广东万山环境科技有限公司 | Groundwater pollution restoration system and method for permeable reactive barrier coupling enriched plants |
| CN117049713B (en) * | 2023-09-01 | 2024-09-10 | 广东万山环境科技有限公司 | Groundwater pollution restoration system and method for permeable reactive barrier coupling enriched plants |
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Granted publication date: 20180529 |