CN108746195A - Elution is with oxidative degradation in the prosthetic device and method of the organic polluted soil of one - Google Patents

Elution is with oxidative degradation in the prosthetic device and method of the organic polluted soil of one Download PDF

Info

Publication number
CN108746195A
CN108746195A CN201811063774.3A CN201811063774A CN108746195A CN 108746195 A CN108746195 A CN 108746195A CN 201811063774 A CN201811063774 A CN 201811063774A CN 108746195 A CN108746195 A CN 108746195A
Authority
CN
China
Prior art keywords
soil
tank body
top plate
oxidative degradation
elution
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811063774.3A
Other languages
Chinese (zh)
Inventor
肖鹏飞
吴德东
安璐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northeast Forestry University
Original Assignee
Northeast Forestry University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northeast Forestry University filed Critical Northeast Forestry University
Priority to CN201811063774.3A priority Critical patent/CN108746195A/en
Publication of CN108746195A publication Critical patent/CN108746195A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/08Reclamation of contaminated soil chemically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09CRECLAMATION OF CONTAMINATED SOIL
    • B09C1/00Reclamation of contaminated soil
    • B09C1/02Extraction using liquids, e.g. washing, leaching, flotation

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The prosthetic device and method of a kind of organic polluted soil the present invention provides elution with oxidative degradation in one, the prosthetic device includes tank body and top plate;Overflow port, discharge outlet and mud discharging mouth are provided on tank body;Top plate is equipped with the duct imported for inlet tube, and the side of inlet tube is connected with fluid reservoir, and the other side enters tank interior by duct;Top plate is equipped with soil feed inlet, and soil sieve is provided with below soil feed inlet;Top plate is equipped with stirring motor, and stirring motor is connected with agitating shaft, and agitating shaft is equipped with agitating paddle;The bottom of tank body is equipped with supersonic generator.The present invention improves the elution efficiency of organic contaminants in soil by the cavitation effect of ultrasonic wave, is desorbed into liquid phase, while the SO of strong oxidizing property is generated using ultrasonic wave as activation factor activation persulfate4 ;Organic pollution to entering liquid phase carries out efficient oxidation degradation and achievees the purpose that effectively remove pollutant in soil in combination with the degradation of ultrasonic wave itself.

Description

Elution is with oxidative degradation in the prosthetic device and method of the organic polluted soil of one
Technical field
The invention belongs to contaminated soil remediation technical fields, and in particular to a kind of to elute with oxidative degradation in the organic of one The prosthetic device and method of contaminated soil.
Background technology
In recent years, with the progress of urbanization, the enterprises such as large quantities of pesticide producing factories, chemical plant sequentially switch off or move, stay A large amount of contaminated site down, organic pollution therein are polluted by migration, diffusion couple ambient enviroment.These places are two In secondary development process, the organic pollution remained in the soil may become " Chemical Time Bomb " at any time, environmentally safe Serious threat is generated with population health, research and development are safe efficient, and the soil restoring technology suitable for China place has become It is very urgent.
Soil restoring technology can be divided into in-situ immobilization and showering by embodiment, and wherein showering is by Polluted Soil Earth is excavated, and is transported in specific place or reactor, the restorative procedure handled by distinct methods.Ultrasonic wave is repaiied Recovering technology is a kind of novel environmentally-friendly technique, and main purification mechanism is present in liquid under the action of ultrasonic field Cavitation nucleus show oscillation, growth, shrink so collapse etc. a series of dynamic processes, using cavitation bubble collapse generate Shock wave and mechanical effect, fuel factor and the chemical effect caused by miniflow are penetrated, change the grain structure of soil, increases soil The friction of intergranular, and the pollutant to being adsorbed on soil carries out physical desorption effect, flocculation sediment effect and chemical degradation and makees With to make pollutant be desorbed into liquid phase from soil particle;Ultrasonic wave itself also will produce free radical, pass through chemical degradation Degradation removal is carried out to organic pollution with pyrolysis.
Activation persulfate oxidation method is to generate to have strong oxidizing property under different activation conditions based on persulfate Potentiometric titrations (SO4 -, oxidation-reduction potential E0=2.6V), one kind that various organic pollutions are carried out with oxidative degradation is new Type high-level oxidation technology has unique advantage and application prospect in pollution control field.But currently used activation factor is such as There is of high cost, poor practicability in the modes such as transition metal, heat, ultraviolet light, hinder further applying for the technology.
Invention content
Demand for the country to organic contamination site remediation technology, in order to improve the deficiency of existing recovery technique, this hair It is bright provide it is a kind of using ultrasonic elution with activation persulfate oxidation in one organic polluted soil prosthetic device with Method is improved the elution efficiency of organic contaminants in soil by the cavitation effect of ultrasonic wave, is desorbed into liquid phase, simultaneously The SO of strong oxidizing property is generated using ultrasonic wave as activation factor activation persulfate4 -, to entering the organic pollution of liquid phase Efficient oxidation degradation is carried out to achieve the purpose that effectively remove pollutant in soil in combination with the degradation of ultrasonic wave itself.
For this purpose, present invention employs following technical schemes:
A kind of prosthetic device eluting the organic polluted soil with oxidative degradation in one, including tank body and top plate;It is described The a certain upper lateral part of tank body is provided with overflow port, and homonymy or another side lower part are provided with discharge outlet, and bottom is provided with mud discharging mouth;Institute The top that top plate is located at tank body is stated, relatively closed space is formed with tank body;The top plate is equipped with the hole imported for inlet tube The side in road, the inlet tube is connected with fluid reservoir, and the other side enters tank interior by the duct on top plate;On the top plate Equipped with soil feed inlet, the soil feed inlet is communicated with tank interior cavity, and soil sieve is provided with below soil feed inlet; The top plate is equipped with stirring motor, and the stirring motor is connected with agitating shaft, and the agitating shaft stretches into the inside of tank body, stirring Axis is equipped with agitating paddle;The bottom of the tank body is equipped with supersonic generator, for being ultrasonically treated to the substance in tank body.
Preferably, the most upper edge of the tank body is used for one layer of noise control washer, the noise control washer is equipped at top plate contact Top plate and tank body are formed into relatively closed system for handling.
Preferably, the overflow port, discharge outlet and mud discharging mouth are equipped with control valve.
Preferably, the inlet tube is connected outside tank body with metering pump.
Preferably, the aperture of the soil sieve is 0.5-3.0mm;The agitating paddle is one or more.
Preferably, the tank body is made of stainless steel anti-corrosion material.
A kind of restorative procedure eluting the organic polluted soil with oxidative degradation in one will using above-mentioned prosthetic device Contaminated soil enters tank interior after pretreatment, by soil feed inlet;Eluent is added to fluid reservoir, opens stirring electricity Machine, rotating speed is at 50-80 revs/min;Ultrasonic output frequency is adjusted between 50-200KHz, ultrasonic output power 100-300W it Between, open ultrasonic generator;After ultrasonication 1-2 hours, a certain amount of oxidation is added into tank body by fluid reservoir Agent persulfate ensures soil ratio and liquid phase height certain in tank body;Continue to locate under the conditions of above-mentioned ultrasound and stir process Reason 1-2 hours completes elution and oxidative degradation to contaminated soil;Liquid phase that treated is discharged by tank body side leakage fluid dram, Treated, and soil is discharged by the mud discharging mouth of tank base, further dehydration.
Further, the eluent includes anionic, nonionic or anion-nonionic mixed surfactant, Its total concentration is 3-6g/L.
Preferably, the persulfate of the addition is peroxy-monosulfate (HSO5 -) or peroxydisulfate (S2O8 2-);Addition Persulfate can be solution or solid powder.
Further, the persulfate of the addition includes sodium peroxydisulfate and potassium peroxydisulfate;Its addition manner includes primary Property addition or in batches equivalent add, number is added batch-wise between 2-3 time, every time addition time interval at 20-30 minutes, add Add the total content of persulfate depending on pollution level, persulfate is with pollutant molar ratio 10:1 or more.
Compared with prior art, the beneficial effects of the invention are as follows:
(1) present invention processing contaminated soil method is simple and practicable, easy to operate, non-secondary pollution, the main structure of processing unit Part is tank body, tank body top plate, Vltrasonic device and agitating device, and simple in structure, easy to operate, floor space is small, it can be achieved that pollution The facilitation of soil restoring technology and practical purpose.Between tank body and top plate be arranged one layer of noise control washer, can effectively every The noise generated when working with electric device from ultrasound keeps indoor good working environment.This method can be according to the dirt of processing The property and processing requirement of soil are contaminated, it is timely to eluant, eluent type and type, the addition concentration of oxidant and mode, ultrasonic power Between, soil ratio, speed of agitator etc. be configured and adjust, reach raising treatment effeciency, save the purpose of processing cost.This method It realizes and ultrasonic elution processing is handled into the target carried out in a device simultaneously with persulfate oxidation is activated, simplify Treatment process.
(2) ultrasonic wave plays desorption, the triple role of activation persulfate, degradation of contaminant in the present invention.Ultrasonic wave Surfactant can be assisted significantly to promote desorption effect of the pollutant from soil particle by cavitation effect, reduce pollutant and exist Residual in soil, improve treatment effeciency, overcome conventional surge elution processing time it is long, shake non-uniform problem.For It is eluted into the pollutant of liquid phase, the SO that ultrasonic wave can both have been generated by activating persulfate4 -Oxidative degradation, also can be by certainly The pyrolysis effect and radical effect that body generates carry out oxidative degradation.Ultrasonic wave improves gold to a certain extent as activation factor Belong to the problem that caused medicament mixing is uneven when ion activation persulfate, reduces the use of chemical reagent, while also avoiding Metal ion is to SO4 -Consumption, improve the efficiency that generates free radicals of activation.Meanwhile ultrasonic wave as activation factor at Soil is managed, can effectively avoid after other activation methods such as metal ion, alkali, ultraviolet light and heat mode activation process in soil still The problem of having pollutant residual.
(3) the various organic matters such as organic agricultural chemicals, polycyclic aromatic hydrocarbon, petroleum hydrocarbon of the invention in contaminated site soil all have Good oxidation removal effect, application range are wider.
Description of the drawings
Fig. 1 is a kind of prosthetic device of organic polluted soil of the elution provided by the present invention with oxidative degradation in one Structural schematic diagram.
Reference sign:1, tank body;2, top plate;3, fluid reservoir;4, metering pump;5, inlet tube;6, soil feed inlet;7, Soil sieve;8, stirring motor;9, agitating shaft;10, agitating paddle;11, supersonic generator;12, overflow port;13, discharge outlet;14, Control valve;15, noise control washer;16, mud discharging mouth.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment come the present invention will be described in detail, specific embodiment therein and explanation only For explaining the present invention, but it is not as a limitation of the invention.
As shown in Figure 1, a kind of reparation dress of the organic polluted soil the present invention provides elution with oxidative degradation in one It sets, including tank body 1 and top plate 2;The a certain upper lateral part of the tank body 1 is provided with overflow port 12, homonymy or the setting of another side lower part There are discharge outlet 13, bottom to be provided with mud discharging mouth 16;The top plate 2 is located at the top of tank body 1, is formed with tank body 1 relatively closed Space;The top plate 2 is equipped with the duct imported for inlet tube 5, and the side of the inlet tube 5 is connected with fluid reservoir 3, the other side Entered inside tank body 1 by the duct on top plate 2;The top plate 2 is equipped with soil feed inlet 6, the soil feed inlet 6 and tank 1 internal cavity of body communicates, and the lower section of soil feed inlet 6 is provided with soil sieve 7;The top plate 2 is equipped with stirring motor 8, described Stirring motor 8 is connected with agitating shaft 9, and the agitating shaft 9 stretches into the inside of tank body 1, and agitating shaft 9 is equipped with agitating paddle 10;It is described The bottom of tank body 1 is equipped with supersonic generator 11, for being ultrasonically treated to the substance in tank body 1.
Specifically, the most upper edge of the tank body 1 is equipped with one layer of noise control washer 15, the noise control washer with 2 contact position of top plate 15 by top plate 1 and tank body 2 for forming relatively closed system for handling.
Specifically, the overflow port 12, discharge outlet 13 and mud discharging mouth 16 are equipped with control valve 14.
Specifically, the inlet tube 5 is connected outside tank body 1 with metering pump 4.
Specifically, the aperture of the soil sieve 7 is 0.5-3.0mm;The agitating paddle 10 is one or more.
Specifically, the tank body 1 is made of stainless steel anti-corrosion material.
The carrying out practically mode of the prosthetic device is as follows:Organic material contaminated soil is put into soil after removing bulk impurity In earth feed inlet 6, and entered in tank body 1 by soil sieve 7, the addition of soil cannot exceed discharge outlet 13.Fluid reservoir 3 is built-in There is the soil elution liquid configured, is mixed in a certain ratio and is formed by the surfactant of different type and concentration.Eluent is logical Inlet tube 5 is crossed to enter in tank body 1 and contaminated soil mixing, feed speed controlled by metering pump 4, eluent and soil according to Water (ml) soil (g) is than control 5:1-10:In 1 range.Stirring motor 8 is opened, setting rotating speed passes through between 50-80 revs/min Agitating paddle 10 is sufficiently stirred contaminated soil and eluent;Supersonic generator 11 is opened simultaneously, power setting exists 100-300W, supersonic frequency can set range in 50-200khz, and ultrasound and stir process be after 1-2 hours, can disposably or in batches It adds a certain amount of oxidant persulfate (solution is added by fluid reservoir 3, and powder is added by feed inlet 6) and enters tank body 1 It is interior, ensure that liquid phase total height is no more than overflow port 12 in tank body 1.It is further continued for closing system after ultrasonication by 1-2 hours The processing water after oxidation processes is discharged by the drainpipe that discharge outlet 13 accesses, is then passed through for control device after standing a period of time The discharge of mud discharging mouth 16 treated soil is cleaning soil after dehydration.For polluting, the time is long, pollution concentration is high Soil can repeatedly be handled using the present apparatus and method.
Embodiment 1
Using prosthetic device shown in Fig. 1.Eluant, eluent is by nonionic surfactant Tween80 and anion surfactant Lauryl sodium sulfate presses 1:1 ratio mixing composition.Human configuration organo-chlorine pesticide gesarex polluted soil, wherein DDT A concentration of 3.6mg/kg.Contaminated soil is entered into tank body by soil feed inlet, the eluant, eluent of a concentration of 4.0g/L is added, is opened Ultrasonic power 200W is arranged in Vltrasonic device and blender, and supersonic frequency 100khz, 60 revs/min of speed of agitator, continuous processing 2 is small Sodium peroxydisulfate solution is added in Shi Hou, and persulfate and the DDT molar ratio of addition are 20:1, it conserves water and soil than being 5:1, continue Processing 2 hours.The removal rate that after treatment measures DDT in soil reaches 78.1%, and removal effect is good.
Embodiment 2
Human configuration polycyclic aromatic hydrocarbon naphthalene simulating pollution soil, a concentration of 5.82mg/kg of naphthalene.Using identical with embodiment 1 Device and processing method handle soil, the removal rate of naphthalene reaches 84.6% in the soil after single treatment after measured, removal effect Fruit is good.
Embodiment 3
Five kinds of phenanthrene, naphthalene, pyrene, anthracene and acenaphthene polycyclic aromatic hydrocarbon composite pollution soil are configured, total concentration is 7.73mg/ in the soil kg.Using 1 identical device of same embodiment and processing method, after measured total removal of the PAHs in soil after single treatment Rate reaches 70.3%, and removal effect is good.
Embodiment 4
For contaminated soil using the contaminated soil near certain oil-producing region, pollution history is longer.After measured, in soil can use just oneself The total concentration of the petroleum hydrocarbon of alkane extraction is 20.8mg/kg.After 1 identical device of same embodiment and processing method processing, warp The total removal rate for measuring petroleum hydrocarbon reaches 58.3%;It is total to remove after soil of the processing after primary is handled again in the same way Rate reaches 82.3%, and removal effect is good.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to restrict the invention, all essences in the present invention Any modification, equivalent replacement and improvement etc., should be included in protection scope of the present invention made by within refreshing and spirit Within.

Claims (10)

1. a kind of prosthetic device of organic polluted soil of elution with oxidative degradation in one, including tank body and top plate, feature It is:The a certain upper lateral part of the tank body is provided with overflow port, and homonymy or another side lower part are provided with discharge outlet, and bottom is provided with Mud discharging mouth;The top plate is located at the top of tank body, and relatively closed space is formed with tank body;The top plate is equipped with for inlet tube The side in the duct of importing, the inlet tube is connected with fluid reservoir, and the other side enters tank interior by the duct on top plate;Institute It states top plate and is equipped with soil feed inlet, the soil feed inlet is communicated with tank interior cavity, the lower section setting of soil feed inlet There is soil sieve;The top plate is equipped with stirring motor, and the stirring motor is connected with agitating shaft, and the agitating shaft stretches into tank body Inside, agitating shaft are equipped with agitating paddle;The bottom of the tank body is equipped with supersonic generator, for being carried out to the substance in tank body It is ultrasonically treated.
2. a kind of prosthetic device of organic polluted soil of the elution according to claim 1 with oxidative degradation in one, It is characterized in that:The most upper edge of the tank body is used for one layer of noise control washer, the noise control washer is equipped at top plate contact by top plate Relatively closed system for handling is formed with tank body.
3. a kind of prosthetic device of organic polluted soil of the elution according to claim 1 with oxidative degradation in one, It is characterized in that:The overflow port, discharge outlet and mud discharging mouth are equipped with control valve.
4. a kind of prosthetic device of organic polluted soil of the elution according to claim 1 with oxidative degradation in one, It is characterized in that:The inlet tube is connected outside tank body with metering pump.
5. a kind of prosthetic device of organic polluted soil of the elution according to claim 1 with oxidative degradation in one, It is characterized in that:The aperture of the soil sieve is 0.5-3.0mm;The agitating paddle is one or more.
6. a kind of elution according to any one of claim 1 to 5 is with oxidative degradation in integrated organic polluted soil Prosthetic device, it is characterised in that:The tank body is made of stainless steel anti-corrosion material.
7. a kind of restorative procedure of organic polluted soil of elution with oxidative degradation in one, it is characterised in that:It is repaiied using above-mentioned Apparatus for coating enters tank interior by contaminated soil after pretreatment by soil feed inlet;Eluent is added to fluid reservoir, Stirring motor is opened, rotating speed is at 50-80 revs/min;Ultrasonic output frequency is adjusted between 50-200KHz, ultrasonic output power exists Between 100-300W, ultrasonic generator is opened;After ultrasonication 1-2 hours, one is added into tank body by fluid reservoir Quantitative oxidant persulfate ensures soil ratio and liquid phase height certain in tank body;In above-mentioned ultrasound and stir process item It is continued under part 1-2 hours, completes the elution and oxidative degradation to contaminated soil;Liquid phase that treated is arranged by tank body side Liquid mouth discharges, and treated, and soil is discharged by the mud discharging mouth of tank base, further dehydration.
8. a kind of restorative procedure of organic polluted soil of the elution according to claim 7 with oxidative degradation in one, It is characterized in that:The eluent includes anionic, nonionic or anion-nonionic mixed surfactant, total concentration For 3-6g/L.
9. a kind of restorative procedure of organic polluted soil of the elution according to claim 7 or 8 with oxidative degradation in one, It is characterized in that:The persulfate of the addition is peroxy-monosulfate (HSO5 -) or peroxydisulfate (S2O8 2-);The mistake of addition Sulfate can be solution or solid powder.
10. a kind of restorative procedure of organic polluted soil of the elution according to claim 9 with oxidative degradation in one, It is characterized in that:The persulfate of the addition includes sodium peroxydisulfate and potassium peroxydisulfate;Its addition manner include disposable addition or Equivalent is added in batches, and number is added batch-wise between 2-3 times, is added time interval every time at 20-30 minutes, is added persulfuric acid The total content of salt is depending on pollution level, and persulfate is with pollutant molar ratio 10:1 or more.
CN201811063774.3A 2018-09-12 2018-09-12 Elution is with oxidative degradation in the prosthetic device and method of the organic polluted soil of one Pending CN108746195A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811063774.3A CN108746195A (en) 2018-09-12 2018-09-12 Elution is with oxidative degradation in the prosthetic device and method of the organic polluted soil of one

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811063774.3A CN108746195A (en) 2018-09-12 2018-09-12 Elution is with oxidative degradation in the prosthetic device and method of the organic polluted soil of one

Publications (1)

Publication Number Publication Date
CN108746195A true CN108746195A (en) 2018-11-06

Family

ID=63968103

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811063774.3A Pending CN108746195A (en) 2018-09-12 2018-09-12 Elution is with oxidative degradation in the prosthetic device and method of the organic polluted soil of one

Country Status (1)

Country Link
CN (1) CN108746195A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111715684A (en) * 2020-07-17 2020-09-29 西藏神州瑞霖环保科技股份有限公司 Contaminated soil remediation system and contaminated soil remediation method
CN113000577A (en) * 2021-01-28 2021-06-22 生态环境部南京环境科学研究所 Organic chlorine pesticide contaminated site soil synergistic elution restoration device and method
CN114682617A (en) * 2022-03-31 2022-07-01 四川农业大学 Oil soil remediation device and method by coupling double-frequency ultrasonic waves with sodium persulfate
CN115301714A (en) * 2022-08-11 2022-11-08 徐州振丰新型墙体材料有限公司 Method for making brick by harmless sintering of polluted soil
CN115446101A (en) * 2022-09-14 2022-12-09 西安交通大学 Method and equipment for treating oily sludge by surfactant-advanced oxidation coupling

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225424A (en) * 2011-04-08 2011-10-26 南京农业大学 Apparatus for eluting and restoring contaminated soil of site with integration of stirring, ultrasounds and microwaves
CN103624076A (en) * 2013-11-07 2014-03-12 江苏大学 Remediation method of soil polluted by polybrominated diphenyl ethers
CN103639193A (en) * 2013-12-26 2014-03-19 江苏盖亚环境工程有限公司 Restoration method for organically polluted site soil through circular in-situ chemical oxidation
CN104475439A (en) * 2014-12-09 2015-04-01 江苏盖亚环境工程有限公司 Repairing method of chlordane contaminated soil
CN104785516A (en) * 2015-05-18 2015-07-22 东北林业大学 Method for remediating DDTs contaminated soil by virtue of combination of ultrasonic waves and surfactants
CN105478457A (en) * 2015-12-09 2016-04-13 天津环科立嘉环境修复科技有限公司 Method for restoring organophosphorus pesticide contaminated soil
CN105945046A (en) * 2016-06-27 2016-09-21 华南理工大学 Movable ultrasonic stirring cleaning tank and method for repairing heavy metal contaminated soil
CN106363017A (en) * 2016-10-14 2017-02-01 同济大学 System and method for repairing polycyclic aromatic hydrocarbon contaminated soil

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102225424A (en) * 2011-04-08 2011-10-26 南京农业大学 Apparatus for eluting and restoring contaminated soil of site with integration of stirring, ultrasounds and microwaves
CN103624076A (en) * 2013-11-07 2014-03-12 江苏大学 Remediation method of soil polluted by polybrominated diphenyl ethers
CN103639193A (en) * 2013-12-26 2014-03-19 江苏盖亚环境工程有限公司 Restoration method for organically polluted site soil through circular in-situ chemical oxidation
CN104475439A (en) * 2014-12-09 2015-04-01 江苏盖亚环境工程有限公司 Repairing method of chlordane contaminated soil
CN104785516A (en) * 2015-05-18 2015-07-22 东北林业大学 Method for remediating DDTs contaminated soil by virtue of combination of ultrasonic waves and surfactants
CN105478457A (en) * 2015-12-09 2016-04-13 天津环科立嘉环境修复科技有限公司 Method for restoring organophosphorus pesticide contaminated soil
CN105945046A (en) * 2016-06-27 2016-09-21 华南理工大学 Movable ultrasonic stirring cleaning tank and method for repairing heavy metal contaminated soil
CN106363017A (en) * 2016-10-14 2017-02-01 同济大学 System and method for repairing polycyclic aromatic hydrocarbon contaminated soil

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
肖鹏飞等: "超声波强化表面活性剂洗脱土壤中菲的研究", 《中囯环境科学学会科学技术年会论文集》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111715684A (en) * 2020-07-17 2020-09-29 西藏神州瑞霖环保科技股份有限公司 Contaminated soil remediation system and contaminated soil remediation method
CN113000577A (en) * 2021-01-28 2021-06-22 生态环境部南京环境科学研究所 Organic chlorine pesticide contaminated site soil synergistic elution restoration device and method
CN114682617A (en) * 2022-03-31 2022-07-01 四川农业大学 Oil soil remediation device and method by coupling double-frequency ultrasonic waves with sodium persulfate
CN115301714A (en) * 2022-08-11 2022-11-08 徐州振丰新型墙体材料有限公司 Method for making brick by harmless sintering of polluted soil
CN115301714B (en) * 2022-08-11 2023-12-01 徐州振丰新型墙体材料有限公司 Method for making bricks by harmless sintering of polluted soil
CN115446101A (en) * 2022-09-14 2022-12-09 西安交通大学 Method and equipment for treating oily sludge by surfactant-advanced oxidation coupling

Similar Documents

Publication Publication Date Title
CN108746195A (en) Elution is with oxidative degradation in the prosthetic device and method of the organic polluted soil of one
CN105057340B (en) A kind of chromium-polluted soil dystopy elution renovation technique and its device
CN208555499U (en) A kind of device for restoration of soil polluted by heavy metal
CN107413841A (en) The microorganism renovation agent and restorative procedure of a kind of heavy-metal contaminated soil
CN109970257A (en) A kind of groundwater remediation circulation well device
CN101863574A (en) Method for removing arsenic in water and device thereof
CN101879520A (en) Novel foam separation equipment for restoring heavy metal polluted soil
CN205308947U (en) Pollute soil electronic - chemical drip washing combined repairing system
CN111960603A (en) Simulation repair system and method for underground water containing 1,2-dichloroethane
CN103706621A (en) Device and method for ultrasonic strengthening remediation of organic pollution field soil
CN108892306A (en) A kind of mining filter plant
CN106830485A (en) A kind of environmental protection equipment and processing method with high-efficiency sewage processing function
CN207271802U (en) A kind of soil remediation bucket
CN207313216U (en) A kind of device using permanent magnetism increase ozone reactivity in water
CN207699417U (en) A kind of Laboratory Waste Water Treatment equipment
CN104368593B (en) A kind of damped cycle soil remediation method
CN213506439U (en) Simulation restoration device for underground water containing 1,2-dichloroethane
CN208008604U (en) A kind of electric flocculation settler
CN208033271U (en) A kind of contaminated soil elution equipment of intensified by ultrasonic wave
CN110436605B (en) Method for removing chlorinated hydrocarbons in underground water containing surfactant by activating sodium persulfate through iron shavings
CN209094159U (en) A kind of contaminated soil elution equipment
CN107185953A (en) A kind of prosthetic device and method for extracting heavy metal in soil
CN209515217U (en) A kind of efficient radioactive waste treatment facility
CN206567324U (en) A kind of contaminated soil heterotopic repair system
CN206951780U (en) A kind of harmless disposal system of organic material contaminated soil cast-in-situ bored pile mud

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20181106