CN106268208A - The experimental system of Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas - Google Patents
The experimental system of Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas Download PDFInfo
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- CN106268208A CN106268208A CN201610652678.7A CN201610652678A CN106268208A CN 106268208 A CN106268208 A CN 106268208A CN 201610652678 A CN201610652678 A CN 201610652678A CN 106268208 A CN106268208 A CN 106268208A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/002—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by condensation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
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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
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Plasma Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention provides the experimental system of a kind of Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas, including carrier gas device, thermal desorption tail gas generating means, attemperator, apparatus for low-temperature plasma treatment and device for absorbing tail gas；Described carrier gas device includes that wherein said mixed gas refers to the mixture of common gases and steam for providing the first carrier gas path of common gases and for providing the second carrier gas path of mixed gas；Described thermal desorption tail gas generating means is used for producing dusty gas；Described attemperator is for preventing the condensation in pipeline of the pollutant in thermal desorption tail gas；Described apparatus for low-temperature plasma treatment pollutant in degradation treatment thermal desorption tail gas；Described device for absorbing tail gas is for absorbing pollutant remaining in thermal desorption tail gas after degradation treatment.The experimental system simple in construction of the present invention, installation and debugging are convenient and swift, and it is short that technological parameter obtains the cycle, and energy consumption cost is low.
Description
Technical field
The invention belongs to field of environment engineering technology, be specifically related to a kind of Low Temperature Plasma Treating organic polluted soil heat
The experimental system of desorption tail gas.
Background technology
Along with adjustment and the quickening of urbanization process of Industry Structure, a large amount of chemical industry, pesticide producing enterprise is caused to remove
Moving, be much adjusted to inhabitation or commercial land etc. in original soil, these enterprises are in the daily production and operation, at refuse
The reasons such as reason, chemical leakage and discharge of wastewater, have had resulted in serious soil pollution, particularly Organic Pollution.Relate to
Pollutant include petroleum hydrocarbon, polycyclic aromatic hydrocarbon, benzene homologues, organochlorine pesticide, Polychlorinated biphenyls etc..Thermal desorption technology is by directly
Or indirect heat exchange, the soil containing pollutant is heated to sufficiently high temperature so that pollutant volatilize from soil or
The process separated.Due to the significant advantages such as treatment effeciency is high, repairing efficiency is short and soil is recycling after repairing, thermal desorption technology
It is widely used in the repairing and treating of organic polluted soil.But it is owing to thermal desorption technology is a physically separate technology, actual
On be that pollutant transfer to the process of tail gas from soil, the control of organic pollution in thermal desorption tail gas the most in the urgent need to address
Problem.
For the improvement of organic polluted soil thermal desorption tail gas, the most conventional method has condensation-absorption method and burning-suction
Attached method etc..Although condensation-absorption method can effectively remove the organic pollution in tail gas, but the method need nonetheless remain for condensation-
Pollutant after absorption are disposed, and adsorbent consumption is big, and cost is high.And combustion method is high to the removal efficiency of pollutant,
But needing to consume a large amount of fuel, the tail gas after process is easily generated two English in cooling discharge process, it is therefore desirable to after combustion
Increasing quenching apparatus, processing cost is higher.
Therefore, this area needs the research and development system and method that cost is lower, effect preferably processes thermal desorption tail gas badly,
To solve the control problem of organic pollution.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas
Experimental system, at least solving one of problem that above-mentioned prior art exists.
For achieving the above object, the present invention provides a kind of Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas
Experimental system, including carrier gas device, thermal desorption tail gas generating means, attemperator, apparatus for low-temperature plasma treatment and tail gas
Absorption plant；
Described carrier gas device includes for providing the first carrier gas path of common gases and for providing the of mixed gas
Two carrier gas paths, wherein said mixed gas refers to the mixture of common gases and steam；
Described thermal desorption tail gas generating means is used for producing dusty gas；
Described attemperator is for preventing the condensation in pipeline of the pollutant in thermal desorption tail gas；
Described apparatus for low-temperature plasma treatment pollutant in degradation treatment thermal desorption tail gas；
Described device for absorbing tail gas is for absorbing pollutant remaining in thermal desorption tail gas after degradation treatment.
The present invention also provides for utilizing Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas as above simultaneously
Experimental system method that organic polluted soil thermal desorption tail gas is processed, comprise the steps:
The common gases that (1) first carrier gas path provides enters in thermal desorption tail gas generating means, by the way of bubbling
Produce dusty gas, after the mixture mixing of described dusty gas and the common gases of the second carrier gas path offer and steam,
Form thermal desorption tail gas；
(2) described thermal desorption tail gas is passed through described apparatus for low-temperature plasma treatment so that it is in pollutant press at height
It is degraded under electricity；
(3) tail gas after apparatus for low-temperature plasma treatment processes is passed through described device for absorbing tail gas so that it is middle residual
Pollutant and organic degradation product absorbed by the organic solvent in absorption bottle, inorganic catabolite is inhaled by corresponding inorganic solvent
Receive.
Compared with prior art the present invention has following innovative point and a beneficial effect: the present invention relates to a kind of small-sized,
Can the experimental system of rapid evaluation Low Temperature Plasma Treating thermal desorption tail gas effect, and one can quickly, systematically survey
The method of examination Low Temperature Plasma Treating effect.Tail gas generating means and processing means are integrally placed at by experimental system as one
In attemperator, temperature controls accurately, to effectively prevent the condensation in pipeline of the half volatile pollutant, decreases experiment by mistake
Difference, so that experimental data is more accurate.Experimental system simple in construction, installation and debugging are convenient and swift, and technological parameter obtains the cycle
Short, energy consumption cost is low.
Experimental technique in the present invention is that the principal character according to actual thermal desorption tail gas determines experiment condition, then exists
The degradation efficiency of pollutant in thermal desorption tail gas is tested under this experiment condition.Pollutant levels, water vapor concentration, stop can be obtained
The key process parameters such as time, treatment temperature and electric parameter are on the impact of contaminant degradation in thermal desorption tail gas, for low temperature etc.
Gas ions processes the actual application of thermal desorption tail gas and provides scientific guidance and technical support, provides foundation for Practical Project, promotes
The development of Soil Thermal desorption recovery technique.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
[description of reference numerals]
1-gas bomb
2-mass flowmenter
3 high-temperature resistant polytetrafluoroethylmelt air inlet pipe
4 air dry ovens
5-is equipped with the vial of pollutant
6-oil bath pan
7-surge flask
8-steam generator
9-surge flask
10 high voltage power supplies
11 reaction of low temperature plasma devices
12 high tension cables
13 absorption bottles
14 cycle condensers
15 corrosion-resistant soft air-guide pipes
16 active carbon adsorbers.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Accompanying drawing, the present invention is described in further detail.
The experimental system of the Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas that the present invention provides, including carrier gas
Device, thermal desorption tail gas generating means, attemperator, apparatus for low-temperature plasma treatment and device for absorbing tail gas；
Described carrier gas device includes for providing the first carrier gas path of common gases and for providing the of mixed gas
Two carrier gas paths, wherein said mixed gas refers to the mixture of common gases and steam；
Described thermal desorption tail gas generating means is used for producing dusty gas；
Described attemperator is for preventing the condensation in pipeline of the pollutant in thermal desorption tail gas；
Described apparatus for low-temperature plasma treatment pollutant in degradation treatment thermal desorption tail gas；
Described device for absorbing tail gas is for absorbing pollutant remaining in thermal desorption tail gas after degradation treatment.
Preferably, described first carrier gas path includes the first gas bomb and the first mass flowmenter, described first gas
Steel cylinder connects described thermal desorption tail gas generating means, and described first mass flowmenter is located at described first gas bomb of connection and institute
State on the high-temperature resistant tube of thermal desorption tail gas generating means；
Preferably, described second carrier gas path includes that the second gas bomb, the second mass flowmenter and steam fill
Putting, described second gas bomb connects described water vapor generation device, and described second mass flowmenter is located at connection described second
On the high-temperature resistant tube of gas bomb and described water vapor generation device.
It is highly preferred that described high-temperature resistant tube is high-temperature resistant polytetrafluoroethylmelt pipe.
Preferably, heretofore described common gases refers to air, oxygen, nitrogen or argon.
Preferably, described thermal desorption tail gas generating means includes polluter device and heater, described polluter device
Middle splendid attire pollutant, described polluter device is placed in described heater.
Preferably, described device for absorbing tail gas includes absorption bottle and active carbon adsorber.
It is highly preferred that the quantity of described absorption bottle be two or more, connected mode for series connection, in described absorption bottle contain nothing
Machine solvent and organic solvent, absorb the inorganic catabolite in tail gas and the pollutant of residual and organic degradation product with correspondence.
It is highly preferred that described device for absorbing tail gas also includes that cycle condenser, described absorption bottle are placed in described circulating condensing
In device.
Preferably, described thermal desorption tail gas generating means and apparatus for low-temperature plasma treatment are integrally placed at institute as one
State in attemperator.
The preferred air dry oven of described attemperator.
Preferably, described apparatus for low-temperature plasma treatment includes high voltage power supply, high tension cable and reactor, described high pressure
Power supply realizes realizing electrion at inside reactor, with the pollutant in degradation treatment thermal desorption tail gas by high tension cable.
The present invention utilizes the experimental system of Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas as above
The method processing organic polluted soil thermal desorption tail gas, comprises the steps:
The common gases that (1) first carrier gas path provides enters in thermal desorption tail gas generating means, by the way of bubbling
Produce dusty gas, after the mixture mixing of described dusty gas and the common gases of the second carrier gas path offer and steam,
Form thermal desorption tail gas；
(2) described thermal desorption tail gas is passed through described apparatus for low-temperature plasma treatment so that it is in pollutant press at height
It is degraded under electricity；
(3) tail gas after apparatus for low-temperature plasma treatment processes is passed through described device for absorbing tail gas so that it is middle residual
Pollutant and organic degradation product absorbed by the organic solvent in absorption bottle, inorganic catabolite is inhaled by corresponding inorganic solvent
Receive.
Wherein it is preferred to, can be by the first mass flowmenter and the second mass flowmenter regulation the first load in step (1)
In gas path and the second carrier gas path, the flow velocity of gas, can control the gas time of staying at low temperature plasma；
Preferably, the common gases that can also provide at described dusty gas and the second carrier gas path in step (1) and water
Before the mixture mixing of steam, after buffering each via surge flask respectively, remix formation thermal desorption tail gas；
Preferably, thermal desorption tail gas generating means described in step (1) can be by regulating the heating-up temperature of heater
With regulate the flow velocity of gas in the first carrier gas path and the second carrier gas path, control the concentration of pollutant；
Preferably, step (1) can be controlled the content of water vapour by the power of regulation steam generator；
Preferably, step (2) can control the anti-of plasma processing apparatus by the temperature of regulation attemperator
Answer the temperature of device.
Embodiment 1
As it is shown in figure 1, the experimental system of the Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas of the present invention, bag
Include carrier gas device, attemperator, thermal desorption tail gas generating means, apparatus for low-temperature plasma treatment and device for absorbing tail gas.
Described carrier gas device includes gas bomb 1, mass flowmenter 2 and high-temperature resistant polytetrafluoroethylmelt air inlet pipe 3, Qi Zhongnai
High temperature politef air inlet pipe 3 is connected on the gas outlet of gas bomb, and mass flowmenter 2 is located at high-temperature resistant polytetrafluoroethylmelt
In air inlet pipe 3.
Described attemperator is air dry oven 4, and chamber door body is provided with observation window, working condition in energy clear view case.Drum
Wind drying baker 4 left and right sides wall is provided with perforate, and high-temperature resistant polytetrafluoroethylmelt air inlet pipe 3 is passed through air dry oven 4 by tapping, opens
Use insulation material encapsulation process with the temperature accurately controlling in air dry oven 4 at hole.For the safety of Protection personnel,
Air dry oven 4 does protective grounding and processes.
Described thermal desorption tail gas generating means is placed in air dry oven, and the pollutant being contained in vial 5 are at oil bath pan 6
Interior high-temperature heating is in a liquid state, and gas is passed through in vial 5, produces the gas with pollutant, then enter by the way of bubbling
Enter surge flask 7；First another road-load gas be connected with steam generator 8, produces the carrier gas containing certain humidity, then passes to delay
Rush bottle 9, surge flask 9 carrier gas out mix homogeneously with another road gas containing pollutant in surge flask 7, be thermal desorption
Tail gas.
Described apparatus for low-temperature plasma treatment includes high voltage power supply 10, high tension cable 12 and reactor 11, high voltage power supply
10 are placed in air dry oven 4 outside, and it is internal that reactor 11 is placed in air dry oven 4, and reactor 11 and high tension cable 12 all use
Resistant to elevated temperatures material, high tension cable 12 is connected with reactor 11 by the perforate of air dry oven 4, the high pressure of perforate junction
Cable 12 uses the polyfluortetraethylene pipe of insulation high-temperature-resistant to wrap up.
Described device for absorbing tail gas includes that absorption bottle 13, cycle condenser 14, corrosion-resistant soft air-guide pipe 15 and activated carbon are inhaled
Adnexa 16, is placed in outside air dry oven, and the perforate of reactor tip tube route air dry oven is stretched out, and is led by corrosion-resistant
Gas flexible pipe 15 is connected with device for absorbing tail gas, and flexible pipe outlet side is connected with absorption bottle 13, absorption bottle 13 at least two and go here and there
Being linked togather, absorption bottle 13 is placed in cycle condenser 14, the gas outlet of absorption bottle 13 further through active carbon adsorber 16 with big
Gas connects.
Embodiment 2
The system utilizing embodiment 1 is tested, specific as follows:
Two-way gas is air, and the gas flow rate being wherein passed through pollutant generator is 0.5mL/min, an other road
The flow velocity compensating gas is 3mL/min.Selecting clofenotane as representative pollutant, oil bath heating-up temperature is 150 DEG C, forced air drying
Case temperature is 120 DEG C, and tow channel gas enters into after mixing in surge flask in reaction of low temperature plasma device, low-temperature plasma used
Body is corona discharge pulse low temperature plasma, and reactor diameter is 15cm, and effective length is 0.9m.The electricity of pulsed discharge is set
Pressure is respectively 15KV, 20KV, 25KV and 30KV, and fixed pulse frequency is 50HZ, investigates clofenotane heat under different discharge voltage and takes off
The removal situation of attached tail gas, the degradation efficiency of result display clofenotane increases along with the increase of discharge voltage, and discharge voltage is
During 30KV, the degradation efficiency of clofenotane is 78%.
Above example illustrates, the experimental system of the present invention can quickly, systematically test Low Temperature Plasma Treating effect
The method of fruit.Tail gas generating means and processing means are integrally placed in hot environment by experimental system as one, and temperature controls
Accurately, effectively prevent the condensation in pipeline of the half volatile pollutant, decrease experimental error, so that experimental data is more
Accurately.Experimental system simple in construction, installation and debugging are convenient and swift, and it is short that technological parameter obtains the cycle, and energy consumption cost is low.
Experimental technique in the present invention is that the principal character according to actual thermal desorption tail gas determines experiment condition, then exists
The degradation efficiency of pollutant in thermal desorption tail gas is tested under this experiment condition.Pollutant levels, water vapor concentration, stop can be obtained
The key process parameters such as time, treatment temperature and electric parameter are on the impact of contaminant degradation in thermal desorption tail gas, for low temperature etc.
Gas ions processes the actual application of thermal desorption tail gas and provides scientific guidance and technical support, provides foundation for Practical Project, promotes
The development of Soil Thermal desorption recovery technique.
Particular embodiments described above, has been carried out the purpose of the present invention, technical scheme and beneficial effect the most in detail
Describe in detail bright it should be understood that the foregoing is only the specific embodiment of the present invention, be not limited to the present invention, all
Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. the experimental system of a Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas, it is characterised in that include carrying
Device of air, thermal desorption tail gas generating means, attemperator, apparatus for low-temperature plasma treatment and device for absorbing tail gas；
Described carrier gas device includes for providing the first carrier gas path of common gases and for providing the second of mixed gas to carry
Gas path, wherein said mixed gas refers to the mixture of common gases and steam；
Described thermal desorption tail gas generating means is used for producing dusty gas；
Described attemperator is for preventing the condensation in pipeline of the pollutant in thermal desorption tail gas；
Described apparatus for low-temperature plasma treatment pollutant in degradation treatment thermal desorption tail gas；
Described device for absorbing tail gas is for absorbing pollutant remaining in thermal desorption tail gas after degradation treatment.
Experimental system the most according to claim 1, it is characterised in that described first carrier gas path includes the first gas bomb
With the first mass flowmenter, described first gas bomb connects described thermal desorption tail gas generating means, described first mass flow
Meter is located on the high-temperature resistant tube connecting described first gas bomb and described thermal desorption tail gas generating means；
Described second carrier gas path includes the second gas bomb, the second mass flowmenter and water vapor generation device, described second
Gas bomb connects described water vapor generation device, and described second mass flowmenter is located at described second gas bomb of connection and institute
State on the high-temperature resistant tube of water vapor generation device.
Experimental system the most according to claim 1, it is characterised in that described common gases refer to air, oxygen, nitrogen or
Argon.
Experimental system the most according to claim 1, it is characterised in that described thermal desorption tail gas generating means includes polluter
Device and heater, contain pollutant in described polluter device, described polluter device is placed in described heater；
Described device for absorbing tail gas includes absorption bottle and active carbon adsorber.
Experimental system the most according to claim 4, it is characterised in that the quantity of described absorption bottle is two or more, connection
Mode is series connection；Described absorption bottle contains inorganic solvent and organic solvent, absorbs the inorganic catabolite in tail gas with correspondence
Pollutant and organic degradation product with residual.
Experimental system the most according to claim 4, it is characterised in that described device for absorbing tail gas also includes circulating condensing
Device, described absorption bottle is placed in described cycle condenser.
Experimental system the most according to claim 1, it is characterised in that described thermal desorption tail gas generating means and low temperature etc. from
Daughter processing means is positioned in described attemperator.
Experimental system the most according to claim 7, it is characterised in that described attemperator is air dry oven.
9. utilize the reality of Low Temperature Plasma Treating organic polluted soil thermal desorption tail gas described in any one of claim 1～8
The method that organic polluted soil thermal desorption tail gas is processed by check system, it is characterised in that comprise the steps:
The common gases that (1) first carrier gas path provides enters in thermal desorption tail gas generating means, produces by the way of bubbling
Dusty gas, after the mixture mixing of described dusty gas and the common gases of the second carrier gas path offer and steam, is formed
Thermal desorption tail gas；
(2) described thermal desorption tail gas is passed through described apparatus for low-temperature plasma treatment so that it is in pollutant under electrion
It is degraded；
(3) tail gas after apparatus for low-temperature plasma treatment processes is passed through described device for absorbing tail gas so that it is the dirt of middle residual
Dye thing and organic degradation product are absorbed by the organic solvent in absorption bottle, and inorganic catabolite is absorbed by corresponding inorganic solvent.
Method the most according to claim 9, it is characterised in that:
Step (1) regulates the first carrier gas path and the second carrier gas path by the first mass flowmenter and the second mass flowmenter
The flow velocity of middle gas, controls the gas time of staying at low temperature plasma；
In step (1), the mixture at described dusty gas and the common gases of the second carrier gas path offer and steam mixes it
Before, after buffering each via surge flask respectively, remix formation thermal desorption tail gas；
Thermal desorption tail gas generating means described in step (1) is led to by heating-up temperature and regulation first carrier gas of regulation heater
In road and the second carrier gas path, the flow velocity of gas, controls the concentration of pollutant；
Step (1) is controlled the content of water vapour by the power of regulation steam generator；
Step (2) is controlled the temperature of the reactor of plasma processing apparatus by the temperature of regulation attemperator.
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Cited By (8)
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| CN107008122A (en) * | 2017-04-24 | 2017-08-04 | 上海电力学院 | The experimental provision of dusty gas is catalytically decomposed in plasma body cooperative |
| CN107855354A (en) * | 2017-12-06 | 2018-03-30 | 江苏省环境科学研究院 | A kind of organic polluted soil thermal desorption prosthetic device and method |
| CN108704932A (en) * | 2018-07-12 | 2018-10-26 | 苏州市环境科学研究所 | A kind of thermal desorption experimental provision |
| CN108787729A (en) * | 2018-05-25 | 2018-11-13 | 四川川能环保科技有限公司 | A kind of showering equipment for organic material contaminated soil |
| CN109126396A (en) * | 2018-09-21 | 2019-01-04 | 中国科学院合肥物质科学研究院 | A kind of Soil K+adsorption device for absorbing tail gas |
| CN110237683A (en) * | 2019-05-27 | 2019-09-17 | 河北科技大学 | The novel reinforced absorption VOCs processing unit of one kind and its method |
| CN111299312A (en) * | 2020-02-26 | 2020-06-19 | 苏州市环境科学研究所 | In-situ resistance thermal desorption simulation device |
| CN112474764A (en) * | 2020-09-30 | 2021-03-12 | 光大环境修复(江苏)有限公司 | Method and system for treating petroleum hydrocarbon contaminated soil |
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| CN108787729A (en) * | 2018-05-25 | 2018-11-13 | 四川川能环保科技有限公司 | A kind of showering equipment for organic material contaminated soil |
| CN108704932A (en) * | 2018-07-12 | 2018-10-26 | 苏州市环境科学研究所 | A kind of thermal desorption experimental provision |
| CN109126396A (en) * | 2018-09-21 | 2019-01-04 | 中国科学院合肥物质科学研究院 | A kind of Soil K+adsorption device for absorbing tail gas |
| CN110237683A (en) * | 2019-05-27 | 2019-09-17 | 河北科技大学 | The novel reinforced absorption VOCs processing unit of one kind and its method |
| CN111299312A (en) * | 2020-02-26 | 2020-06-19 | 苏州市环境科学研究所 | In-situ resistance thermal desorption simulation device |
| CN112474764A (en) * | 2020-09-30 | 2021-03-12 | 光大环境修复(江苏)有限公司 | Method and system for treating petroleum hydrocarbon contaminated soil |
| CN112474764B (en) * | 2020-09-30 | 2023-08-29 | 光大环境修复(江苏)有限公司 | Method and system for treating petroleum hydrocarbon contaminated soil |
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