CN106607451A - Soil cleaning system and method - Google Patents
Soil cleaning system and method Download PDFInfo
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- CN106607451A CN106607451A CN201611231539.3A CN201611231539A CN106607451A CN 106607451 A CN106607451 A CN 106607451A CN 201611231539 A CN201611231539 A CN 201611231539A CN 106607451 A CN106607451 A CN 106607451A
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- active carbon
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- granular active
- reactive tank
- soil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
- B09C1/085—Reclamation of contaminated soil chemically electrochemically, e.g. by electrokinetics
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a soil cleaning system and a soil cleaning method. According to the system and the method, ionization and a granular activated carbon treatment-based underground water cleaning procedure or a surfactant-based cleaning procedure are executed by a composite mode, so that polluted soil and underground water are recovered. According to the scheme, the method comprises the steps: controlling the quantity of granular activated carbon while treating the granular activated carbon by a granular activated carbon regulating device; applying electric power to the underground water, which flows into an ionizing device, by the ionizing device to realize ionization; and based on the selective control of the granular activated carbon regulating device and the ionizing device, executing the ionization and granular activated carbon treatment based underground water cleaning procedure in a reaction tank. According to the system and the method, when the ionization and granular activated carbon treatment based underground water cleaning procedure is conducted, the adsorption efficiency can be enhanced by attaching biodegradation to the granular activated carbon.
Description
Technical field
The technical field of the present invention is related to a kind of soil purging system and method, more particularly to a kind of in the way of plyability
Perform ionizing and based on granular active carbon（GAC, granular activated carbon）The subsoil water matting of process
Or surfactants based matting, so that the soil purging system and side of the soil being contaminated and groundwater restoration
Method.
Background technology
Pump-and-treat system（pump-and-treat）Technology is used as the skill for making polluter be dissolved in subsoil water to be purged
Art, for purifying the soil and groundwater being contaminated, and in the case of hydrophobic contaminant matter, in side of being purged to this
There is significant limitation in face.Because hydrophobic contaminant matter characteristically cannot well be dissolved in water, therefore, take out when being suitable for
When going out treatment technology, long process time is needed, it is final to need a large sum of expense.It is perfect in order to carry out to this, it is hydrophobic as improving
The scheme of the dissolubility of contact scar material, is suitable for using the soil cleaning method of surfactant, and in order to prevent from being produced after cleaning
Raw outflow water pollution circumferentially descends water, and in order to more efficiently purify the subsoil water being contaminated, is useful in cell reaction
The electric flotation of middle generation（elecetoflotation）.
Korean granted patent the 10-0492766th（Authorize within 05 24th, 2005）Disclose using soil cleaning and ground
The oil pollution soil and underground water treating device and method of lower electric flotation mixed processes, at oil pollution soil and subsoil water
Reason, above-mentioned oil pollution soil and underground water treating device include：Soil cleaning unit, for cleaning by the soil of oil pollution
Earth；And electric flotation cells, be arranged at the downstream side of soil cleaning unit, for process the subsoil water that is contaminated in cleaning and
The cleaning outflow water flowed out after soil, soil cleaning unit includes：Blender, for mixing cleanout fluid, above-mentioned cleanout fluid is included
Surfactant, above-mentioned surfactant flows into the top of oil pollution soil, for cleaning above-mentioned contaminated soil；Transfer
Pump, for transferring the cleanout fluid in blender by transfer tube；First groove, is connected by valve with transfer tube；And see
Well logging, for persistently confirming purification, electric flotation cells include：Power supplier, for maintaining constant voltage and electric current；Electricity
Pole, including the multipair anode and negative electrode that electrically connect with power supplier；Second groove, houses in the inside of above-mentioned second groove
There is multipair electrode, and the space for carrying out electric reaction is provided；And impermeable layer, for assembling contaminated in second groove
Subsoil water and cleanout fluid.According to disclosed technology, can save time needed for the recovery of high concentration oil pollution soil and
Expense, it is possible to while soil washing technology for contaminated soils is suitable for, while electric reaction wall is arranged and runs in the underground of subsoil water downstream direction,
Such that it is able to process contaminated soil/subsoil water and cleaning outflow water simultaneously.
Korean granted patent the 10-1410905th（On June 17th, 2014 authorizes）If disclosing comprising by not having ground
Water or the injection water of cleanout fluid and residual phase polluter that the unsaturated zone soil of the flowing of lower water cleans to inject（NAPL）
React to form pollution cloud（plume）, then drawn water to be removed in the pumped well in downstream, such that it is able to have
Effect ground removes the removal system and minimizing technology of the unsaturated zone residual phase polluter of the residual phase polluter of unsaturated zone.
According to disclosed technology, it is characterised in that include：Case, for housing the injection water comprising water or cleanout fluid；Injection well, inserts
Enter the unsaturated zone of the lower section of ground surface；Pumped well, is inserted in the saturated zone of the lower section of unsaturated zone；Injection pump, with point
It is distributed in the chlorine organic solvent residual phase nonaqueous phase liquid of the unsaturated zone on groundwater level top（NAPL）The mode for reacting to
Injection well injection is accommodated in the injection water in case, and injects to injection well to evaluate the soil cleaning efficiency in subsoil water
Follow the trail of thing；Pump in water, is configured at the bottom of pumped well, for extracting polluted underground water, above-mentioned dirt to outside water processing establishment
The pollution cloud that dye subsoil water is reacted with the injection water and chlorine organic solvent that are injected by injection well is corresponding；Concentration
Calculating part, for calculating the concentration of the polluter injected and after dissolving；And controller, according to being calculated by pollutant concentration
The concentration of the polluter that portion is calculated is controlling the work of injection pump.
Existing soil purging system as above suitable for by the contaminated soil of the pollutions such as the oils of high concentration and
In the case of subsoil water, process over time, the low oil component ratio of volatility increases, it is difficult to process to low-down dense
Degree, needs to carry out after-treatment to extracting gas, also, with the problem being difficult suitable for zone of saturation.
Existing soil purging system as above also makes polluter residue in unsaturated layer because of capillarity
Between the hole of soil, therefore, not only with remaining saturation（residual saturation）State plays the length of subsoil water
The problem of phase polluter effect, but also with the problem for being difficult to process this polluter.
Prior art literature
Patent documentation
Korean granted patent the 10-0492766th
Korean granted patent the 10-1410905th
The content of the invention
Present invention aim at solving disadvantages mentioned above, that is, provide and ionizing is performed in the way of plyability and is lived based on granule
Property charcoal（GAC, granular activated carbon）The subsoil water matting of process or surfactants based cleaning
Operation, so that the soil purging system and method for the soil being contaminated and groundwater restoration.
Solution to the problems described above is to provide soil purging system, a feature of the invention, and it includes：Granule
Activated carbon adjusting means, when granular active carbon process is carried out, for being controlled to the amount of granular active carbon；Ion is disguised
Put, apply electric power to the subsoil water for being flowed into, for realizing ionizing；And reactive tank, according to based on above-mentioned granular active carbon
The selective control of adjusting means and above-mentioned ionization apparatus, performs based on ionizing and granule in the inside of above-mentioned reactive tank
The subsoil water matting of activated carbon process.
In one embodiment, above-mentioned soil purging system is characterised by, also includes：Automatic temperature regulation device, for adjusting
Temperature in above-mentioned reactive tank is default optimum temperature；PH regulator device, is default for adjusting the pH in above-mentioned reactive tank
Optimal pH；And concentration adjusting device, for adjusting the naoh concentration in above-mentioned reactive tank for default optium concentration.
In one embodiment, above-mentioned reactive tank is characterised by, is filled based on above-mentioned automatic temperature regulation device, above-mentioned pH regulator
Put, at least one or one kind in above-mentioned concentration adjusting device, above-mentioned granular active carbon adjusting means, above-mentioned ionization apparatus
More than selective control internally performing the subsoil water matting and base that process based on ionizing and granular active carbon
In the matting of surfactant.
In one embodiment, above-mentioned ionization apparatus are characterised by, the platinum plating for realizing negative pole and positive pole is put in subsoil water
Deposited titanium so that the electric current of direct current is moved.
Solution to the problems described above is to provide soil cleaning method, according to another characteristic of the invention, the method bag
Include：When granular active carbon adjusting means carries out granular active carbon to be processed, control is performed to the amount of the granular active carbon in reactive tank
Processed the step of；Ionization apparatus to the subsoil water that flowed into apply electric power to realize ionizing the step of；And above-mentioned reactive tank
Selective control according to above-mentioned granular active carbon adjusting means and above-mentioned ionization apparatus is based on is based on internally to perform
The step of subsoil water matting that ionizing and granular active carbon are processed.
The effect of the present invention is as follows：It is supplied in the way of plyability and performs ionizing and based on granular active carbon（GAC,
granular activated carbon）The subsoil water matting or surfactants based matting of process, so as to
The soil purging system and method for the soil and groundwater restoration being contaminated are made, even if suitable for the oils based on high concentration
Deng contaminated soil and subsoil water in the case of, the low oils of volatility is also processed in the lump, is waved so as to reduce
The low oil component ratio of property is sent out, zone of saturation is thus readily adaptable for use in, also, can also be removed and residued in unsaturated layer soil
Hole between polluter, be conducive to pollute removal.
According to the present invention, also have the effect that：According to pollution level, can carry out surfactants based clear
Wash operation and only soil matter is removed by the subsoil water matting processed based on ionizing and granular active carbon, also,
When the system of composition, the surfactant parameter of maximum efficiency for presenting depollution and reduction of expenditure can be provided
Best of breed, it is possible thereby to improve efficiency and economy different from conventional system.
According to the present invention, there is provided following effect：When the subsoil water cleaning for carrying out being processed based on ionizing and granular active carbon
During operation, adsorption efficiency can be strengthened in the degraded of granular active carbon aufwuch.
Description of the drawings
Fig. 1 is the figure that the soil purging system to the embodiment of the present invention is illustrated；
Fig. 2 is the figure illustrated to the reactive tank shown in Fig. 1；
Fig. 3 to Fig. 5 is the song of the result of the test of the best of breed for representing the surfactant parameter in the second chamber shown in Fig. 2
Line chart；
Fig. 6 is that test of the female bentonite in representing using the first chamber shown in Fig. 2 to strengthen the effect of adsorption efficiency is tied
The curve chart of fruit；
Fig. 7 is the figure that the soil cleaning method to the embodiment of the present invention is illustrated；
Fig. 8 is to represent in the subsoil water cleaning step processed based on ionizing and granular active carbon shown in Fig. 7 using India
The figure of the female bentonitic preparation process of traditional Moringa.
Specific embodiment
Hereinafter, embodiments of the invention are described in detail referring to the drawings, so that the technical field of the invention
Those of ordinary skill can easily implement.But explanation related to the present invention is only used to carry out structural explanation or even function
The embodiment of property name, therefore, protection scope of the present invention should not be construed as being limited to embodiment as herein described.
Hereinafter, it is described in detail referring to the drawings the soil purging system and method to the embodiment of the present invention.
Fig. 1 is the figure that the soil purging system to the embodiment of the present invention is illustrated.Fig. 2 is to the reactive tank shown in Fig. 1
The figure for illustrating.Fig. 3 to Fig. 5 is the examination of the best of breed for representing the surfactant parameter in the second chamber shown in Fig. 2
Test the curve chart of result.Fig. 6 is to represent the female bentonite using in the first chamber shown in Fig. 2（Mom-Bentonite）To increase
The curve chart of the result of the test of the effect of strong adsorption efficiency.
Referring to figs. 1 to Fig. 6, soil purging system 100 as the system of recovering contaminated soil and subsoil water, including from
Dynamic temperature adjusting means 110, pH regulator device 120（Or, concentration adjusting device 130）, granular active carbon（GAC, granular
activated carbon）Adjusting means 140, ionization apparatus 150 and reactive tank C.
Reactive tank C is subject to automatic temperature regulation device 110, pH regulator device 120（Or, concentration adjusting device 130）,
The selective control of at least one or more than one in grain activated carbon adjusting means 140, ionization apparatus 150, according to
It is corresponding to control internally to perform the subsoil water processed based on ionizing as shown in Figure 2 and granular active carbon
（groundwater）Matting A（Or, based on surfactant（surfactant）Matting B）.Here, according to
Pollution level, as long as only can be located by subsoil water matting A processed based on ionizing and granular active carbon
The level of reason, it is possible to without the need for performing surfactants based matting B, also, automatic temperature-adjusting can not also be driven to adjust
Regulating device 110, pH regulator device 120（Or, concentration adjusting device 130）, thus with the effect that can save total cost.
In one embodiment, reactive tank C mainly uses timber, Exocarpium cocois (Cocos nucifera L) etc. as plant in the raw material being made up of amorphous carbon
Species, and brown coal, coal briquette, bituminous coal, anthracite etc. are mainly used as mineral substance, such that it is able to using in carbonization and activation
Make minute aperture flourishing with molecular size degree in journey, and increase the granular active carbon of absorbability as granular active carbon.
In one embodiment, reactive tank C can use linear alkylbenzene sulfonate (LAS), MSM sodium, alpha-olefin sulfone sodium, ethoxylation
The synthesisization such as alkyl sodium sulfate, polyoxyethanyl alkyl ether salt, sodium laureth sulfate, lauryl sulfate, sulfate
Learn surfactant and Saponin, cocoa glycine betaine, lecithin, solubilizing agent, xanthan gum, emulsifing wax, Apis cerana Fabriciuss, Borax, emulsifing wax, olive
The natural surfactants such as olive emulsifing wax, sulfosuccinate, Y. flaccida Haw., alkyl polyglucosides, Fructus Canarii albi liquid are lived as surface
Property agent.
In one embodiment, reactive tank C can pass through automatic temperature regulation device 110, pH regulator device 120（Or, it is dense
Degree adjusting means 130）, granular active carbon adjusting means 140, at least one or more than one in ionization apparatus 150, and
Become according to the default time and turn to the effect for flowing into groove, expiration groove, anaerobism groove and stillpot.
In one embodiment, it is preferable that reactive tank C be divided in the inflow mode of contaminated soil and subsoil water it is multiple, and
Make default inlet time become different using delivery units such as pump, flexible pipes, thus, make what is flowed into be contaminated
Soil and subsoil water be continuously injected into as far as possible.
In one embodiment, reactive tank C can internally be provided with 2 chambers（Chamber）, when carrying out based on ionizing and
During subsoil water matting A of granular active carbon process, contaminated subsoil water can be in the first chamber cleaned.Now,
The inside of one chamber can include the spatial portion of regulation, and the spatial portion of above-mentioned regulation includes inflow entrance and outlet, above-mentioned inflow
Mouth is used to flow into contaminated subsoil water（Or, contaminated soil）, above-mentioned outlet is for the cleaned subsoil water of discharge
（Or, soil）.Furthermore, it is possible to be internally provided with dielectric layer and hollow billet net in spatial portion.Preferably, following structure is formed：
Dielectric layer causes the polluted underground water flowed into by inflow entrance（Or, contaminated soil）Through hollow billet net is in an inclined manner
The bottom of dielectric layer is fixed on, through the soil of dielectric layer hollow billet net is covered.Now, outlet can form two, and one can
For discharging the purposes of the soil for being covered in the hollow billet net for being formed in an inclined manner, another can be used for discharge and passes through hair
The purposes of the subsoil water of pipe network.
In one embodiment, when surfactants based matting B is carried out, reactive tank C can be in second chamber
Clean contaminated subsoil water.Now, surfactants based matting B is used for the optimal of surfactant parameter
Combination.
Automatic temperature regulation device 110 is determined in reactive tank C using Celsius thermometer being arranged in reactive tank C etc.
Temperature, and according to the corresponding temperature for being determined come drive control refrigerating and heating combined equipment, warm-air drier, air-cooler etc., so as to pass through
The driving of corresponding refrigerating and heating combined equipment, warm-air drier, air-cooler etc. to adjust anti-in surfactants based matting B
The temperature in groove C is answered to be default optimum temperature（For example, 25 degree Celsius to 30 degree Celsius）.
In one embodiment, it is 25 degree Celsius to taking the photograph that automatic temperature regulation device 110 adjusts the temperature of the inside of second chamber
30 degree of family name, now, the temperature of the inside of second chamber is determined using the Celsius thermometer etc. of the inside for being arranged at second chamber,
And according to the temperature of the inside of the corresponding second chamber for being determined come drive control refrigerating and heating combined equipment, warm-air drier, air-cooler
Deng, so as to by the driving of corresponding refrigerating and heating combined equipment, warm-air drier, air-cooler etc. come in surfactants based scavenger
The temperature that the inside of second chamber is adjusted in sequence B is default optimum temperature（For example, 25 degree Celsius to 30 degree Celsius）.Such as Fig. 3
Curve chart in result of the test shown in, it is known that relative to the dirt of optimum temperature in surfactants based matting B
Dye removal effect.
PH regulator device 120 determines the pH in reactive tank C, and profit using pH analyzers being arranged in reactive tank C etc.
With the supply arrangements such as electromagnetic valve come according to the pH regulator in the corresponding reactive tank C for being determined as alkaline sodium hydroxide
（NaOH）Amount, and be additional in reactive tank C, so as to adjust in reactive tank C in surfactants based matting B
PH is default Optimal pH（For example, 7.5）.
In one embodiment, pH regulator device 120 utilizes sodium hydroxide（NaOH）PH to adjust second chamber is 7.5, this
When, it is possible to use it is arranged at pH analyzers of second chamber etc. to determine the pH of second chamber, it is possible to supply using electromagnetic valve etc.
To equipment come according to the pH regulator sodium oxide of the corresponding second chamber for being determined（NaOH）Amount, and be additional to second chamber,
PH such that it is able to adjust second chamber in surfactants based matting B is default Optimal pH（For example,
7.5）.As shown in the result of the test in the curve chart of Fig. 4, it is known that relative to most in surfactants based matting B
The pollution removal effect of good pH.
Concentration adjusting device 130 determines the hydrogen-oxygen in reactive tank C using concentration mensuration instrument being arranged in reactive tank C etc.
Change sodium（NaOH）Concentration, and using supply arrangements such as electromagnetic valves come according to the hydroxide in the corresponding reactive tank C for being determined
Sodium（NaOH）Concentration adjust sodium hydroxide（NaOH）Amount, and be additional in reactive tank C, so as to surfactants based
The sodium hydroxide in reactive tank C is adjusted in matting B（NaOH）Concentration be default optium concentration（For example, 4%（V/V））.
In one embodiment, concentration adjusting device 130 utilizes sodium hydroxide（NaOH）To adjust relative in second chamber
Sodium hydroxide（NaOH）Concentration be 4%（V/V）, at this point it is possible to be surveyed using concentration mensuration instrument being arranged in second chamber etc.
Determine the sodium hydroxide in second chamber（NaOH）Concentration, and using supply arrangements such as electromagnetic valves come corresponding according to what is determined
Sodium hydroxide in second chamber（NaOH）Concentration adjust sodium hydroxide（NaOH）Amount, and be additional in second chamber, from
And the sodium hydroxide in second chamber is adjusted in surfactants based matting B（NaOH）Concentration for it is default most
Good concentration（For example, 4%（V/V））.As shown in the result of the test in the curve chart of Fig. 5, it is known that in surfactants based cleaning
Relative to the pollution removal effect of optium concentration in process B.
When carrying out granular active carbon process in subsoil water matting A processed based on ionizing and granular active carbon
When, granular active carbon adjusting means 140 performs control to the amount of the granular active carbon in reactive tank C.
In one embodiment, granular active carbon adjusting means 140 can as needed perform the underground of granular active carbon process
The amount of water（Or, according to demand with personnel etc.）To adjust the quantity of the seed activity charcoal bag being inserted in reactive tank C, from
And control can be performed to the amount of the granular active carbon in reactive tank C, thus, it is possible to easily change what old or efficiency declined
Seed activity charcoal bag.Here, granular active carbon is wrapping（Pack）Unit is filled, the corresponding seed activity charcoal bag filled
Can be inserted in reactive tank C with multiple Rotating fields.
When ionizing process is carried out in subsoil water matting A processed based on ionizing and granular active carbon, from
Son makeup is put 150 and applies electric power to realize ionizing to the subsoil water flowed in reactive tank C.
In one embodiment, ionization apparatus 150 can be put into the platinum plating of realizing negative pole and positive pole in subsoil water
Titanium so that the electric current of direct current is moved, so that the positive ions for being dissolved in subsoil water form acid electrolyzed functional water in side of the positive electrode,
And make the anion for being dissolved in subsoil water be gathered in negative side to form alkali ion water, thus, make hydrone diminish, so as to
Absorption affinity can be improved, polluter is removed.
Soil purging system 100 with structure as above is according to based on automatic temperature regulation device 110, pH regulator
Device 120（Or, concentration adjusting device 130）, granular active carbon adjusting means 140, at least one in ionization apparatus 150
Or more than one selective control in the way of plyability in the inside of reactive tank C performing ionizing and based on granule
Subsoil water matting A of activated carbon process（Or surfactants based matting B）, so that the soil being contaminated
And groundwater restoration, even if in the case of the contaminated soil and subsoil water suitable for the oils based on high concentration etc., even volatilizing
The low oils of property is also processed in the lump, and thus the oil component ratio low so as to reduce volatility can also be suitable for
In zone of saturation, also, the polluter between the hole for residuing in unsaturated layer soil can also be removed, be conducive to that what is polluted to go
Remove.
Soil purging system 100 with structure as above is disguised including granular active carbon adjusting means 140, ion
150 and reactive tank C are put, according to pollution level, surfactants based matting can be carried out and only passed through to be based on
The subsoil water matting that ionizing and granular active carbon are processed removing soil matter, also, when the system of composition, Ke Yiti
For being used to present the best of breed of the maximum efficiency of depollution and the surfactant parameter of reduction of expenditure, it is possible thereby to carry
Efficiency and economy of the height different from conventional system.
Soil purging system 100 with structure as above is carrying out what is processed based on ionizing and granular active carbon
During subsoil water matting, adsorption efficiency can be strengthened in the degraded of granular active carbon aufwuch.
Soil purging system 100 with structure as above is additionally may included in based on ionizing and granular active carbon
The pretreatment process performed before subsoil water matting A of process（For convenience of description, it is not shown in figures）With in base
The postprocessing working procedures performed after matting B of surfactant（For convenience of description, it is not shown in figures）.
In pretreatment process, the impurity and suspended solid in being present in contaminated soil and subsoil water can be removed
（SS）, in the height of biology is processed, it is also possible to remove COD using microorganism（COD, Chemical
Oxygen Demand）, Biochemical oxygen demand（BOD, Biochemical Oxygen Demand）, suspended solid, nitrogen and phosphorus.
More specifically, pretreatment process can by after the removal of impurity of being made a return journey using impurity treatment device etc., separate solid into
Divide the machinery with liquid（For example, solid-liquid separator）To remove solid constituent.
In postprocessing working procedures, can process in the subsoil water scavenger for carrying out being processed based on ionizing and granular active carbon
Sequence A（Or, surfactants based matting B）The floating material remained in the soil and subsoil water that obtain cleaning afterwards
Matter, COD, nitrogen and phosphorus are to release below water standard.And, through the soil for obtaining cleaning and ground of this operation
Lower water can be released by the delivery unit of flexible pipe etc to existing edaphic lower section, or can be common by waste water
Process to realize.More specifically, postprocessing working procedures using photocatalyst oxidation reactor etc., and can be aoxidized by photocatalyst
Act on removing subsoil water matting A through processing based on ionizing and granular active carbon（Or, based on surfactant
Matting B）The soil for obtaining cleaning and the residual organic substances that included of subsoil water, afterwards, the delivery unit such as pump, flexible pipe
Can perform and the soil and subsoil water for obtaining postprocessing working procedures is released to existing edaphic bottom, or perform and subsoil water
Be connected to be discharged releases operation, such that it is able to perform as green natural type construction method（Soil sanitation method）.
Soil purging system 100 with structure as above is except the ground processed based on ionizing and granular active carbon
Lower water matting A（Or, surfactants based matting B）Outside, can also be using for being placed with reactive tank C
Edaphic self-purification function.
Soil purging system 100 with structure as above can be with order to improve reusing for surfactant
Efficiency and utilize by based on ionizing and granular active carbon process subsoil water matting A deformation come in seed activity
Multiple bags that mixed biologic is degraded and is filled in charcoal, or biodegradation and granular active carbon phase are made using binding agent etc.
Attachment, and strengthen adsorption efficiency using multiple bags of the corresponding biodegradation and granular active carbon filling being attached to each other
Property.Here, it is preferable that biodegradation is used as using India's tradition Moringa（Moringa Oleifera Mass：Mom）Come
Female bentonite of the novel substance of formation.As shown in the result of the test in the curve chart of Fig. 6, it is known that with the common bentonitic feelings of use
Condition is compared, and the reinforced effects using adsorption efficiency of the mother in the case of bentonitic are remarkable.
Fig. 7 is the figure that the soil cleaning method to the embodiment of the present invention is illustrated.Fig. 8 is to represent in the base shown in Fig. 7
Using the female bentonitic preparation step of India's tradition Moringa in the subsoil water cleaning step that ionizing and granular active carbon are processed
Rapid figure.
With reference to Fig. 7 and Fig. 8, soil cleaning method is included pre-treatment step S10, is processed based on ionizing and granular active carbon
Subsoil water cleaning step S20, surfactants based cleaning step S30 and post-processing step S40.
In the subsoil water cleaning step S20 processed based on ionizing and granular active carbon, pre-treatment step S10 is being performed
Afterwards, the edaphic self-purification function for being placed with reactive tank C is together performed.Here, self-purification function is used as to putting
The soil horizon for being equipped with reactive tank C puts into soil microorganism to remove the COD in soil horizon, Biochemical oxygen demand, swim
The function of material, nitrogen and phosphorus, can perform the effect of the miscellaneous function processed polluter, such that it is able to accordingly
Improve treatment effeciency.
In the subsoil water cleaning step S20 processed based on ionizing and granular active carbon, granular active carbon adjusting means
The amount of the 140 contaminated subsoil water that can as needed carry out granular active carbon process（Or, according to the demand with personnel
Deng）To adjust the quantity of seed activity charcoal bag, so as to accordingly making seed activity charcoal bag with the corresponding quantity for being adjusted
It is inserted in reactive tank C, such that it is able to control the amount of the granular active carbon in reactive tank C.Here, in order that adsorption efficiency is obtained
To enhancing, and reusing for surfactant is improved, when seed activity charcoal bag is formed, in granular active carbon mixed biologic drop
Solution is constituting, or biodegradation is mutually adhered to granular active carbon using binding agent etc., so as to corresponding by what is mutually adhered to
Biodegradation and granular active carbon are constituted, now, it is preferable that biodegradation use as being formed using the traditional Moringa of India
Female bentonite of novel substance.
Preferably, performed in mode as shown in Figure 8 using the female bentonitic preparation process of India's tradition Moringa.This
When, can be after the India's tradition Moringa powder for making 10g be mixed to generate Na- bentonite with the OSE stock solutions of 200ml, 24
Rock in hour（shaking）The corresponding Na- bentonite for being generated, and centrifugal separator is being passed through with the speed of 1000rpm
（centrifuge）After to carry out the centrifugation of 10 minutes, through cleaning（washing）, oven drying（oven drying）
And grinding（grinding）, total organic carbon amount is carried out afterwards（TOC, total organic carbon）And X-ray diffraction（XRD,
X-ray diffection）Analysis（analysis）To prepare female bentonite.
In surfactants based cleaning step S30, the pH that second chamber is adjusted by pH regulator device 120 is
7.5, or the sodium hydroxide in second chamber is adjusted by concentration adjusting device 130（NaOH）Concentration be 4%（V/V）, or
It is 25 degree Celsius to 30 degree Celsius that person adjusts the temperature of the inside of second chamber by automatic temperature regulation device 110.
After execution after process step S40, soil and subsoil water are performed and is released or waste water is jointly processed by.
More than, embodiments of the invention are not only embodied by above-mentioned device and/or application method, it is also possible to passed through
For realizing that the program of the function corresponding with the structure of embodiments of the invention, record have recording medium of said procedure etc.
Embody, as long as general technical staff of the technical field of the invention, it is possible to from the record of embodiment described above
Easily implement this embodiment.Although being described in detail to embodiments of the invention above, protection scope of the present invention
It is not limited thereto, using the various of the those of ordinary skill of the basic conception of the present invention defined in the claimed scope of invention
Deformation and improvement form similarly belong to protection scope of the present invention.
Claims (3)
1. soil purging system, it is characterised in that include：
Reactive tank, the device that the medium for flowing through for medium and to flowing through is cleaned；
The cleansing medium granular active carbon in reactive tank is adjusted granular active carbon adjusting means in reactive tank, when
When carrying out granular active carbon process, for being controlled to the amount of granular active carbon；
Ionization apparatus, apply electric power, for realizing ionizing to the subsoil water for being flowed into；
Reactive tank according to the selective control based on above-mentioned granular active carbon adjusting means and above-mentioned ionization apparatus, above-mentioned
The inside of reactive tank performs the subsoil water matting processed based on ionizing and granular active carbon.
2. soil purging system according to claim 1, it is characterised in that, also include：
Heater in reactive tank, for the temperature in reacting by heating groove；
Automatic temperature regulation device, for adjusting the temperature in above-mentioned reactive tank for default optimum temperature；
PH regulator device, for adjusting the pH in above-mentioned reactive tank for default Optimal pH；And
Concentration adjusting device, for adjusting the naoh concentration in above-mentioned reactive tank for default optium concentration；Above-mentioned reaction
Groove is adjusted based on above-mentioned automatic temperature regulation device, above-mentioned pH regulator device, above-mentioned concentration adjusting device, above-mentioned granular active carbon
At least one selective control in device, above-mentioned ionization apparatus, is lived internally to perform based on ionizing and granule
Property charcoal process subsoil water matting and surfactants based matting.
3. soil cleaning method, it is characterised in that comprise the steps：
When granular active carbon adjusting means carries out granular active carbon to be processed, control is performed to the amount of the granular active carbon in reactive tank
Processed the step of；
Ionization apparatus to the subsoil water that flowed into apply electric power to realize ionizing the step of；And
Above-mentioned reactive tank according to the selective control based on above-mentioned granular active carbon adjusting means and above-mentioned ionization apparatus come
The step of internally performing the subsoil water matting based on ionizing and granular active carbon process.
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| CN201611231539.3A CN106607451A (en) | 2016-12-28 | 2016-12-28 | Soil cleaning system and method |
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Cited By (1)
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Application publication date: 20170503 |