CN102921718A - Two-phase vacuum suction device with auxiliary chemical leaching and method for repairing soil thereof - Google Patents
Two-phase vacuum suction device with auxiliary chemical leaching and method for repairing soil thereof Download PDFInfo
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- CN102921718A CN102921718A CN201210425622XA CN201210425622A CN102921718A CN 102921718 A CN102921718 A CN 102921718A CN 201210425622X A CN201210425622X A CN 201210425622XA CN 201210425622 A CN201210425622 A CN 201210425622A CN 102921718 A CN102921718 A CN 102921718A
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- 239000002689 soil Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000002386 leaching Methods 0.000 title claims abstract description 24
- 239000000126 substance Substances 0.000 title claims abstract description 17
- 239000012071 phase Substances 0.000 claims abstract description 74
- 238000005406 washing Methods 0.000 claims abstract description 49
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 22
- 231100000719 pollutant Toxicity 0.000 claims abstract description 22
- 239000007791 liquid phase Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 18
- 230000000694 effects Effects 0.000 claims abstract description 9
- 239000003480 eluent Substances 0.000 claims description 8
- 238000005067 remediation Methods 0.000 claims description 8
- 239000000356 contaminant Substances 0.000 claims description 5
- 239000012808 vapor phase Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 230000000881 depressing effect Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000011835 investigation Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 210000001364 upper extremity Anatomy 0.000 claims description 3
- 230000008439 repair process Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000005416 organic matter Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000011066 ex-situ storage Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000007443 liposuction Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The invention belongs to the technical field of polluted soil in-situ repair, and particularly relates to a two-phase vacuum suction device with auxiliary chemical leaching and a method for repairing soil thereof. The device mainly comprises a leaching solution box, a booster pump, a leaching pipeline system, a vacuum suction pump, a gas-liquid separator, a liquid-phase processing unit, a gas-phase processing unit and an intelligent electric control system. The method comprises the following steps of: installing the leaching pipeline system on the surface of a polluted site, selecting a leaching agent as well as the dosage and the concentration of the leaching agent according to the pollution situation and the hydrogeological condition of the site, and washing pollutants into a leaching solution after the leaching is concluded; and then starting the vacuum suction pump, and sucking the leaching solution out of the surface by applying a vacuum and then further processing the leaching solution. The device and the method disclosed by the invention have the characteristics of being rapid, economic, efficient and the like, and have a good removal effect for organic matter pollution and heavy metals, wherein the removal rate can achieve 80-90%, the construction cost is saved by 45-65% compared with the traditional one, and the operation management expense is saved by about 25-35%.
Description
Technical field
The invention belongs to contaminated soil based technique for in-situ remediation field, be specifically related to the method for the auxiliary two-phase vacuum suction apparatus of a kind of chemical leaching and rehabilitating soil thereof.
Background technology
The dystopy of soil chemistry is repaired the extensive concern that has obtained Chinese scholars in recent years, and a large amount of manpower and materials drop into the dystopy chemistry and repair research, have obtained in some aspects good achievement in research.The scholar mainly studies around the consumption of chemical leaching selection and chemical leaching at present, explores simultaneously the injected volume of the best eluent of drip washing effect under the different condition and throws in speed.
At the drip washing technological parameter, affect the aspects such as parameter, domesticly done a large amount of experimental studies, and drawn preferably result of study.Wait the relevant issues that relate to and chemical leaching in the dystopy drip washing of having studied soil to select problem such as nationality state east.They find that the main factor that affects of Remediation of Soil Contaminated with Oil Pollutants by Ex-Situ Chemical Washing is: the character of the property of soil, character, concentration and the ageing time of pollutant, drip washing reagent and concentration, drip washing process conditions (liquid-solid ratio, drip washing time (20 ~ 60min), drip washing temperature, stirring intensity) etc. (document 1: nationality state east etc.: Remediation of Soil Contaminated with Oil Pollutants by Ex-Situ Chemical Washing. the Chinese science and technology paper is online, and 2005).And at soil chemistry drip washing prosthetic appliance the correlative study exploitation is arranged also, Chinese patent 201010106509.6 discloses drip washing removal method and the device of the PAHs in a kind of contaminated soil, this device is based on the upper and lower laying of contaminated soil in the drip washing post, thereby the mineral wool of avoiding the contaminated soil leacheate to move up and down, leacheate then moves up and down in the drip washing post and then the drip washing contaminated soil, remove PAHs pollutant wherein, the eluent of choosing in this lessivation is biodiesel.Same Chinese patent 201110144101.2 discloses circulation cleaning system and device and the method that a kind of contaminated soil washing is repaired, this patent mainly be by soil ratio between 10:1, repeatedly do the wash contaminated soil, thereby reach the effect of removing pollutant.Although these inventions and researched and solved the blank of dystopy drip washing equipment, the large-scale soil of same design excavates, and repair process expends a large amount of human and material resources.This is a problem demanding prompt solution.
And aspect vacuum draw, domestic also the beginning dropped into a large amount of manpower and materials to the research of vacuum draw, obtained in some aspects good achievement.For example domestic for volatile contaminant in the soil, research and develop the pneumatic assisted vacuum liposuction technique that shatters, and aspect the suction well, researched and developed respectively two-phase vacuum draw well and three-phase vacuum draw well technology.For example Chinese patent 200910087053.0 disclose a kind of gas broken with gas stripping linked vacuum underground water pumping in-situ repair method.This patent mainly is to utilize gas pollutant broken and that air lift will be adsorbed in the soil particle to produce by boasting, and then utilizes vacuum draw that pollutant is extracted out from suddenly, finally reaches the effect of removing pollutant.Although the method is effective to volatile ingredient in the soil, for obstinate pollutant in unexpected or heavy metal etc., just can't play effective removal effect.
The present recovery technique of China and equipment is in development mostly and be the showering technology and equipment mostly.Although the external technology and equipment of developing the advanced person, the introduction appropriate litigation fees of technology and equipment is high, and not necessarily equipment and the localization of technology energy.The auxiliary two-phase vacuum draw soil remediation method of this patent invention chemical leaching and equipment can effectively solve the blank of the prosthetic appliance of domestic market, this equipment has solved dystopy drip washing needs a large amount of work of excavating, and has strengthened simultaneously the efficient of bidirectional vacuum suction.Therefore, this invention can reduce the rehabilitation cost of soil greatly, promotes China's soil remediation industry to optimum sustainable future development.
Summary of the invention
The object of the invention is to overcome a large amount of excacations of chemical leaching, overcome simultaneously the inefficient problem of two-phase vacuum draw, the method for the auxiliary two-phase vacuum suction apparatus of a kind of chemical leaching and rehabilitating soil thereof is provided.
A kind of chemical leaching is assisted the two-phase vacuum suction apparatus, this device is linked to each other with force (forcing) pump 3 by connecting pipe by leacheate case 1, the first electromagnetic valve 2 is arranged on the pipeline, electromagnetic flowmeter 5 and the second electromagnetic valve 6 are arranged in force (forcing) pump 3 exits, force (forcing) pump 3 links to each other with drip washing pipe-line system 7, and drip washing pipe-line system 7 has micropore 19; On the two-phase vacuum draw well 11 well lid 9 is arranged, well lid 9 is provided with the second pressure gauge 20; Pipeline 22 enters in the two-phase vacuum draw well 11 by well lid 9 in the two-phase vacuum well, and aperture 21 is arranged on the pipeline; Pipeline 22 other ends link to each other with Vacuum suction pump 10 in the two-phase vacuum well, and in import department the 3rd electromagnetic valve 8 is installed, the 4th electromagnetic valve 14 and the first pressure gauge 13 are installed in Vacuum suction pump 10 exits, Vacuum suction pump 10 links to each other with gas-liquid separator 16, gas-liquid separator 16 is connected with the gas phase treatment unit with liquid phase processing unit 12 respectively by pipeline and is connected, and the 5th electromagnetic valve 15 and the 6th electromagnetic valve 17 are arranged respectively on the pipeline; Force (forcing) pump 3, electromagnetic flowmeter 5, Vacuum suction pump 10, liquid phase processing unit 12, the first pressure gauge 13, gas-liquid separator 16, gas phase treatment unit 18, the second pressure gauge 20 and be connected electromagnetic valve and be connected with intelligent electric control system 4 respectively, and be subjected to respectively 4 controls of intelligent electric control system.
The pipeline micropore 19 of drip washing pipe-line system 7 is in duct bottom, and angle is downward 60 °.
The diameter of the aperture 21 in the two-phase vacuum well on the pipeline 22 is 5 ~ 6mm.
A kind of method of utilizing said apparatus to carry out soil remediation comprises the steps:
1) carries out the investigation of contaminated site, determine hydrogeologic condition and the pollutant physicochemical properties of contaminated site;
2) according to pollution condition, determine eluent and consumption and concentration in the used leacheate, two-phase vacuum draw well 11 is set; Aboveground namely from the earth's surface downward 0.25 ~ 0.35m and down-hole section namely from the shaft bottom upwards 0.45 ~ 0.65m all use concrete casting; Leacheate is stored in the leacheate case 1, and pouring adds pipeline 22 in the two-phase vacuum well in two-phase vacuum draw well 11; The concentration of the eluent in the leacheate is 0.3 ~ 0.5 of pollutant in soil concentration, and the amount of leacheate is 0.1 ~ 0.5m3/ (dim2);
3) drip washing pipe-line system 7 is installed in the earth's surface, pipeline upper limb and earth's surface maintain an equal level; Open the first electromagnetic valve 2, leacheate adds the micropore 19 of depressing by on the drip washing pipe-line system 7 at force (forcing) pump 3 and enters soil, and electromagnetic flowmeter on the force (forcing) pump 35 is used for regulating the flow of leacheate, the drip washing time be 3 ~ 4 hours once, once continue 20 ~ 40 minutes;
4) stop after the drip washing 1 ~ 2 hour, open Vacuum suction pump 10, the leacheate of soil is crossed in drip washing, under the effect of Vacuum suction pump 10, enter two-phase vacuum draw well 11, gas phase directly from the two-phase vacuum well aperture on the pipeline 22 21 be sucked into the earth's surface, liquid phase enters the bottom of two-phase vacuum draw well 11, be sucked into the earth's surface along tube wall, both enter gas-liquid separator 16, and vapor phase contaminants enters gas phase treatment unit 18, and liguid phase pollutant enters liquid phase processing unit 12; Wherein the swabbing pressure of Vacuum suction pump 10 be-3 ~-water column of 9m, suction time is 20 ~ 30 minutes.
Described leacheate case 1, force (forcing) pump 3, Vacuum suction pump 10, liquid phase processing unit 12, gas-liquid separator 16, gas phase treatment unit 18 and intelligent electric control system 4 all are installed on the container, can be fixed on the van or according to the position in place and install everywhere.
Beneficial effect of the present invention is: device of the present invention is not limited by or not the place, is fit to process various pollutants, and especially in the place of processing heavy metal pollution, the removal of pollutants rate can be up to more than 75%.Compare with traditional dystopy two-phase vacuum draw restorative procedure, this recovery technique is applicable to different site conditions and different pollution condition.Method of the present invention is compared with traditional recovery technique, has the characteristics such as efficient, energy-conservation, quick.Can reach more than 90% to the clearance that has volatility machine thing to pollute; Construction costs saves traditional 45 ~ 65%; But only need several electric pump electricity consumption using electricity wisely costs in running, operational and administrative expenses saves 25 ~ 35%; All power equipments are taked Based Intelligent Control, and are practicable unattended, and complete equipment is installed in the container, can repeatedly use.
Description of drawings
Fig. 1 is handling process and device schematic diagram;
Fig. 2 is drip washing pipe arrangement schematic diagram;
Fig. 3 is two-phase vacuum draw well construction schematic diagram;
Each label is among the figure:
Leacheate case-1, the first electromagnetic valve-2, force (forcing) pump-3,4-intelligent electric control system, electromagnetic flowmeter-5, the second electromagnetic valve-6, drip washing pipe-line system-7, the 3rd electromagnetic valve-8, well lid-9, Vacuum suction pump-10, two-phase vacuum draw well-11, liquid phase processing unit-12, the first pressure gauge-13, the 4th electromagnetic valve-14, the 5th electromagnetic valve-15, gas-liquid separator-16, the 6th electromagnetic valve-17, gas phase treatment unit-18, pipeline micropore-19, the second pressure gauge-20, aperture-21, pipeline in the two-phase vacuum well-22.
The specific embodiment
The present invention will be further described below in conjunction with accompanying drawing and instantiation.
The auxiliary two-phase vacuum suction apparatus of a kind of chemical leaching as Figure 1-3, this device is linked to each other with force (forcing) pump 3 by connecting pipe by leacheate case 1, the first electromagnetic valve 2 is arranged on the pipeline, electromagnetic flowmeter 5 and the second electromagnetic valve 6 are arranged in force (forcing) pump 3 exits, force (forcing) pump 3 links to each other with drip washing pipe-line system 7, and drip washing pipe-line system 7 has micropore 19; On the two-phase vacuum draw well 11 well lid 9 is arranged, well lid 9 is provided with the second pressure gauge 20; Pipeline 22 enters in the two-phase vacuum draw well 11 by well lid 9 in the two-phase vacuum well, and aperture 21 is arranged on the pipeline; Pipeline 22 other ends link to each other with Vacuum suction pump 10 in the two-phase vacuum well, and in import department the 3rd electromagnetic valve 8 is installed, the 4th electromagnetic valve 14 and the first pressure gauge 13 are installed in Vacuum suction pump 10 exits, Vacuum suction pump 10 links to each other with gas-liquid separator 16, gas-liquid separator 16 is connected with the gas phase treatment unit with liquid phase processing unit 12 respectively by pipeline and is connected, and the 5th electromagnetic valve 15 and the 6th electromagnetic valve 17 are arranged respectively on the pipeline; Force (forcing) pump 3, electromagnetic flowmeter 5, Vacuum suction pump 10, liquid phase processing unit 12, the first pressure gauge 13, gas-liquid separator 16, gas phase treatment unit 18, the second pressure gauge 20 and be connected electromagnetic valve and be connected with intelligent electric control system 4 respectively, and be subjected to respectively 4 controls of intelligent electric control system.
Leacheate is stored in the leacheate case 1, opens valve 2, and leacheate adds to depress at force (forcing) pump 3 and is pressurized in the drip washing pipe-line system 7, and enters into soil by the pipeline micropore 19 on the drip washing pipeline.Drip washing pipe-line system 7 as shown in Figure 2, all tubing is the pvc pipe material; The pipeline micropore is installed in bottom and downward 60 ° of positions, prevents blockage of the micro orifice.Sprinkle is in soil uniformly to guarantee leacheate, and other equipment all is installed on the container, can be fixed on the van, can install everywhere according to the position in place.
Open valve 5 and 6, open force (forcing) pump 3, preparing the leacheate that is stored in the leacheate case 1 is pressurized in the drip washing pipe-line system 7, final by the micropore 19 on the pipeline with the uniform sprinkle of leacheate at soil surface, leacheate oozes down gradually, the contaminated soil of drip washing, leacheate after the drip washing enters two-phase vacuum well 11 under the effect of Vacuum suction pump 10, finally, as shown in Figure 3, gas phase can be directly from the two-phase vacuum well aperture on the pipeline-22 21 be sucked into the earth's surface, and liquid phase enters the bottom of suction well, is sucked into the earth's surface along tube wall, and both enter gas-liquid separator 16, vapor phase contaminants enters gas phase treatment unit 18, and liguid phase pollutant enters liquid phase processing unit 12.So just finished the repair of contaminated site.
Utilize said apparatus to carry out the method for soil remediation, comprise the steps:
1) carries out the investigation of contaminated site, determine hydrogeologic condition and the pollutant physicochemical properties of contaminated site;
2) according to pollution condition, determine eluent and consumption and concentration in the used leacheate, two-phase vacuum draw well 11 is set; Aboveground namely from the earth's surface downward 0.25 ~ 0.35m and down-hole section namely from the shaft bottom upwards 0.45 ~ 0.65m all use concrete casting; Leacheate is stored in the leacheate case 1, and pouring adds pipeline 22 in the two-phase vacuum well in two-phase vacuum draw well 11; The concentration of the eluent in the leacheate is 0.3 ~ 0.5 of pollutant in soil concentration, and the amount of leacheate is 0.1 ~ 0.5m3/ (dim2);
3) drip washing pipe-line system 7 is installed in the earth's surface, pipeline upper limb and earth's surface maintain an equal level; Open the first electromagnetic valve 2, leacheate adds the micropore 19 of depressing by on the drip washing pipe-line system 7 at force (forcing) pump 3 and enters soil, and electromagnetic flowmeter on the force (forcing) pump 35 is used for regulating the flow of leacheate, the drip washing time be 3 ~ 4 hours once, once continue 20 ~ 40 minutes;
4) stop after the drip washing 1 ~ 2 hour, open Vacuum suction pump 10, the leacheate of soil is crossed in drip washing, under the effect of Vacuum suction pump 10, enter two-phase vacuum draw well 11, gas phase directly from the two-phase vacuum well aperture on the pipeline 22 21 be sucked into the earth's surface, liquid phase enters the bottom of two-phase vacuum draw well 11, be sucked into the earth's surface along tube wall, both enter gas-liquid separator 16, and vapor phase contaminants enters gas phase treatment unit 18, and liguid phase pollutant enters liquid phase processing unit 12; Wherein the swabbing pressure of Vacuum suction pump 10 be-3 ~-water column of 9m, suction time is 20 ~ 30 minutes.
Leacheate case 1, force (forcing) pump 3, Vacuum suction pump 10, liquid phase processing unit 12, gas-liquid separator 16, gas phase treatment unit 18 and intelligent electric control system 4 all are installed on the container, can be fixed on the van or according to the position in place and install everywhere.
Claims (5)
1. a chemical leaching is assisted the two-phase vacuum suction apparatus, it is characterized in that, this device is linked to each other with force (forcing) pump (3) by connecting pipe by leacheate case (1), the first electromagnetic valve (2) is arranged on the pipeline, in force (forcing) pump (3) exit electromagnetic flowmeter (5) and the second electromagnetic valve (6) are arranged, force (forcing) pump (3) links to each other with drip washing pipe-line system (7), and drip washing pipe-line system (7) has pipeline micropore (19); Well lid (9) is arranged on the two-phase vacuum draw well (11), and well lid (9) is provided with the second pressure gauge (20); Pipeline in the two-phase vacuum well (22) enters in the two-phase vacuum draw well (11) by well lid (9), and aperture (21) is arranged on the pipeline; Pipeline in the two-phase vacuum well (22) other end links to each other with Vacuum suction pump (10), and in import department the 3rd electromagnetic valve (8) is installed, the 4th electromagnetic valve (14) and the first pressure gauge (13) are installed in Vacuum suction pump (10) exit, Vacuum suction pump (10) links to each other with gas-liquid separator (16), gas-liquid separator (16) is connected 18 with liquid phase processing unit (12) with the gas phase treatment unit respectively by pipeline) be connected, the 5th electromagnetic valve (15) and the 6th electromagnetic valve (17) are arranged respectively on the pipeline; Force (forcing) pump (3), electromagnetic flowmeter (5), Vacuum suction pump (10), liquid phase processing unit (12), the first pressure gauge (13), gas-liquid separator (16), gas phase treatment unit (18), the second pressure gauge (20) and be connected electromagnetic valve and be connected with intelligent electric control system (4) respectively, and be subjected to respectively intelligent electric control system (4) control.
2. the auxiliary two-phase vacuum suction apparatus of a kind of chemical leaching according to claim 1 is characterized in that, the pipeline micropore (19) of described drip washing pipe-line system (7) is in duct bottom, and angle is downward 60 °.
3. the auxiliary two-phase vacuum suction apparatus of a kind of chemical leaching according to claim 1 is characterized in that, the diameter of the aperture (21) in the described two-phase vacuum well on the pipeline (22) is 5 ~ 6mm.
4. a method of utilizing the described device of claim 1 to carry out soil remediation is characterized in that, comprises the steps:
1) carries out the investigation of contaminated site, determine hydrogeologic condition and the pollutant physicochemical properties of contaminated site;
2) according to pollution condition, determine eluent and consumption and concentration in the used leacheate, two-phase vacuum draw well (11) is set; Aboveground namely from the earth's surface downward 0.25 ~ 0.35m and down-hole section namely from the shaft bottom upwards 0.45 ~ 0.65m all use concrete casting; Leacheate is stored in the leacheate case (1), and pouring adds pipeline (22) in the two-phase vacuum well in two-phase vacuum draw well (11); The concentration of the eluent in the leacheate is 0.3 ~ 0.5 of pollutant in soil concentration, and the amount of leacheate is 0.1 ~ 0.5m3/ (dim2);
3) drip washing pipe-line system (7) is installed in the earth's surface, pipeline upper limb and earth's surface maintain an equal level; Open the first electromagnetic valve (2), leacheate adds the micropore (19) of depressing by on the drip washing pipe-line system (7) at force (forcing) pump (3) and enters soil, electromagnetic flowmeter (5) on the force (forcing) pump (3) is used for regulating the flow of leacheate, the drip washing time be 3 ~ 4 hours once, once continue 20 ~ 40 minutes;
4) stop after the drip washing 1 ~ 2 hour, open Vacuum suction pump (10), the leacheate of soil is crossed in drip washing, under the effect of Vacuum suction pump (10), enter two-phase vacuum draw well (11), gas phase directly from the two-phase vacuum well aperture (21) on the pipeline (22) be sucked into the earth's surface, liquid phase enters the bottom of two-phase vacuum draw well (11), be sucked into the earth's surface along tube wall, both enter gas-liquid separator (16), vapor phase contaminants enters gas phase treatment unit (18), and liguid phase pollutant enters liquid phase processing unit (12); Wherein the swabbing pressure of Vacuum suction pump (10) be-3 ~-water column of 9m, suction time is 20 ~ 30 minutes.
5. method according to claim 4, it is characterized in that, described leacheate case (1), force (forcing) pump (3), Vacuum suction pump (10), liquid phase processing unit (12), gas-liquid separator (16), gas phase treatment unit (18) and intelligent electric control system (4) all are installed on the container, can be fixed on the van or according to the position in place and install everywhere.
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| CN201210425622.XA CN102921718B (en) | 2012-10-30 | 2012-10-30 | Two-phase vacuum suction device with auxiliary chemical leaching and method for repairing soil thereof |
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| CN201210425622.XA CN102921718B (en) | 2012-10-30 | 2012-10-30 | Two-phase vacuum suction device with auxiliary chemical leaching and method for repairing soil thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103433274A (en) * | 2013-08-19 | 2013-12-11 | 百诺纳米科技（苏州）有限公司 | Contaminated soil in-situ remediation system |
| CN103706624A (en) * | 2013-12-18 | 2014-04-09 | 广西大学 | Remediation method of heavy metal contaminated soil |
| CN103785681A (en) * | 2014-02-18 | 2014-05-14 | 江苏江达市政园林建设有限公司 | Method for efficiently remedying heavy metal ion contamination in soil |
| CN104358267A (en) * | 2014-10-31 | 2015-02-18 | 上海岩土工程勘察设计研究院有限公司 | Vacuum tube well precipitation and disposal method for rapidly restoring in-situ water and soil in polluted place |
| CN104404973A (en) * | 2014-10-31 | 2015-03-11 | 上海岩土工程勘察设计研究院有限公司 | Precipitation method applied to integrated in-situ remediation of polluted water and soil |
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| CN112808760A (en) * | 2021-03-09 | 2021-05-18 | 河北民族师范学院 | Polluted soil in-situ leaching remediation method based on bionic transpiration |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0420656A2 (en) * | 1989-09-27 | 1991-04-03 | Xerox Corporation | Process and apparatus for two phase vacuum extraction of soil contaminants |
| CA2268583A1 (en) * | 1999-04-12 | 2000-10-12 | Nichols Environmental (Canada) Ltd. | In-situ treatment and remediation system and method |
| CN101898198A (en) * | 2009-05-27 | 2010-12-01 | 中国石油天然气集团公司 | Method for remedying oil pollution by unitedly using air shatter crack and microorganism and device thereof |
| CN101921023A (en) * | 2009-06-17 | 2010-12-22 | 中国石油天然气集团公司 | Gas breaking and gas stripping linked double-phase vacuum underground water pumping in-situ repair method |
| CN102225422A (en) * | 2011-04-26 | 2011-10-26 | 华北电力大学 | Double-phase vacuum suction simulation system and simulation method thereof |
| CN102225429A (en) * | 2011-04-26 | 2011-10-26 | 华北电力大学 | Reinjecting twin-well pneumatic shatter auxiliary restoration system and method of underground oil pollution |
| CN102228900A (en) * | 2011-05-18 | 2011-11-02 | 华北电力大学 | In situ integrated restoring system and method of petroleum polluted soil |
| CN102249368A (en) * | 2011-04-26 | 2011-11-23 | 华北电力大学 | Two-phase vacuum suction system, and method for treating petroleum pollutants by using two-phase vacuum suction system |
-
2012
- 2012-10-30 CN CN201210425622.XA patent/CN102921718B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0420656A2 (en) * | 1989-09-27 | 1991-04-03 | Xerox Corporation | Process and apparatus for two phase vacuum extraction of soil contaminants |
| CA2268583A1 (en) * | 1999-04-12 | 2000-10-12 | Nichols Environmental (Canada) Ltd. | In-situ treatment and remediation system and method |
| CN101898198A (en) * | 2009-05-27 | 2010-12-01 | 中国石油天然气集团公司 | Method for remedying oil pollution by unitedly using air shatter crack and microorganism and device thereof |
| CN101921023A (en) * | 2009-06-17 | 2010-12-22 | 中国石油天然气集团公司 | Gas breaking and gas stripping linked double-phase vacuum underground water pumping in-situ repair method |
| CN102225422A (en) * | 2011-04-26 | 2011-10-26 | 华北电力大学 | Double-phase vacuum suction simulation system and simulation method thereof |
| CN102225429A (en) * | 2011-04-26 | 2011-10-26 | 华北电力大学 | Reinjecting twin-well pneumatic shatter auxiliary restoration system and method of underground oil pollution |
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