CN109201727B - Soil leacheate and using method and equipment thereof - Google Patents
Soil leacheate and using method and equipment thereof Download PDFInfo
- Publication number
- CN109201727B CN109201727B CN201811019808.9A CN201811019808A CN109201727B CN 109201727 B CN109201727 B CN 109201727B CN 201811019808 A CN201811019808 A CN 201811019808A CN 109201727 B CN109201727 B CN 109201727B
- Authority
- CN
- China
- Prior art keywords
- soil
- leacheate
- standing
- secondary separation
- fine
- 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.)
- Active
Links
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
- B01F27/70—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with paddles, blades or arms
-
- 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
Landscapes
- 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 provides a soil leacheate, which comprises the following components: the solute comprises p-methoxyphenol, potassium persulfate and oxalic acid, and the solvent is water, wherein the mass percent of the water is 5.4-5.8% of the p-methoxyphenol, 2.2-2.8% of the potassium persulfate and 1-2% of the oxalic acid. According to the invention, the p-methoxyphenol is used for absorbing organic pollutants in soil through a chemical reaction, and the organic pollutants are combined with a brand-new high-efficiency full-function soil remediation agent through a chemical bond, so that the pollutants are removed, the effective organic matters in the soil are increased, and the organic pollutants can be utilized by probiotics in the soil; meanwhile, the potassium persulfate and the oxalic acid part are arranged to absorb heavy metals in the soil, the oxalic acid can be used for adjusting the pH value of the soil leacheate, p-methoxyphenol can be combined with organic pollutants more easily to achieve the optimal effect, in addition, the excessive part can be used as nutrient components to improve the fertility of the soil, and the defects that the application range of the existing soil leacheate treatment is small, and the recovered soil cannot be used for cultivation are overcome.
Description
Technical Field
The invention relates to the field of soil treatment, in particular to a soil leacheate, a using method and equipment.
Background
At present, with the modernization of agriculture, particularly the improvement of the level of the agrochemical, a large amount of chemical fertilizers and pesticides are scattered in the environment, the chances of non-point pollution of soil are more and more, and the degree of the non-point pollution is more and more serious. Under the influence of water and soil loss, wind erosion and the like, the pollution area is continuously enlarged. According to different properties of pollutants, soil pollutants are divided into two types of inorganic matters and organic matters, wherein the inorganic matters mainly comprise heavy metals such as mercury, chromium, lead, copper and zinc and nonmetal such as arsenic and selenium, and the organic matters mainly comprise phenols, organic pesticides, oils, benzopyrenes, detergents and the like. The heavy metal pollution degree of soil in China is very serious, and the restoration of the heavy metal polluted soil mainly comprises several modes such as plant restoration, immobilization technology, electric restoration, chemical leaching and the like at present. The chemical leaching repair technology is widely applied at home and abroad, and a good repair effect is achieved. At present, acids, chelating agents and metal salts are commonly used as eluents.
The prior patent document with the application number of CN201710314010.6 discloses a method for treating and recycling organic-inorganic composite polluted loess leacheate, which has limited application range, the treated leacheate is troublesome to recycle, and the generated loess iron manganese nodule is difficult to treat, so that the loess iron manganese nodule can only be used as a building auxiliary material and cannot be reused for cultivating soil.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a soil leacheate, which overcomes the defects that the existing soil leacheate is small in treatment application range, and the recovered soil cannot be used for cultivation.
(II) technical scheme
In order to solve the technical problem, the invention provides a soil leacheate, which comprises: the solute comprises p-methoxyphenol, potassium persulfate and oxalic acid, and the solvent is water, wherein the mass percent of the water is 5.4-5.8% of the p-methoxyphenol, 2.2-2.8% of the potassium persulfate and 1-2% of the oxalic acid. According to the invention, the p-methoxyphenol is used for absorbing organic pollutants in soil through a chemical reaction, and the organic pollutants are combined with a brand-new high-efficiency full-function soil remediation agent through a chemical bond, so that the pollutants are removed, meanwhile, the effective organic matters in the soil are increased, and the newly generated organic matters can be utilized by probiotics in the soil; meanwhile, the potassium persulfate and the oxalic acid part are arranged to absorb heavy metals in the soil, the oxalic acid can be used for adjusting the pH value of the soil leacheate, p-methoxyphenol can be combined with organic pollutants more easily to achieve the optimal effect, in addition, the excessive part can be used as nutrient components to improve the fertility of the soil, and the defects that the application range of the existing soil leacheate treatment is small, and the recovered soil cannot be used for cultivation are overcome.
Preferably, the solute further comprises ethylenediamine trisuccinic acid, wherein the mass percent of the ethylenediamine trisuccinic acid is 0.8-1.2%.
Preferably, the solute further comprises magnesium sulfate heptahydrate, wherein the mass percentage of the magnesium sulfate heptahydrate is 5-6%.
Preferably, the solute further comprises aluminum triacetylacetone, wherein the mass percent of the aluminum triacetylacetone is 1-2%.
The invention also discloses a use method of the soil leacheate, which comprises the following steps:
1) crushing polluted soil;
2) screening the crushed polluted soil to obtain fine-particle soil with the particle size of less than 3 cm;
3) putting the fine-particle soil into a soil leacheate treatment device, adding water with the weight of 1/2-1/3 of the added soil, and stirring to push the soil to turn over;
4) adding the soil leacheate, stirring, turning and mixing;
5) and separating and taking out the fine processed soil and the coarse processed soil. The soil leacheate can be used for preparing fine-processed soil and coarse-processed soil after being processed for one time, can be respectively returned for cultivation, and can be laid on the ground to adapt to different agricultural crop types by adjusting the proportion of the fine-processed soil to the coarse-processed soil.
Preferably, in the step 4), the amount of the leacheate added is 1 to 2 times of the weight of the soil.
The invention also discloses soil leacheate treatment equipment applied to the use method of the soil leacheate, which comprises a horizontal tank body and a rotating shaft which is transversely arranged, wherein the rotating shaft is externally connected with a driving motor; the horizontal tank body is internally provided with a primary treatment area close to one side of the driving motor and a secondary separation area positioned at the other side; the rotating shaft is provided with a propeller-shaped transverse driving blade for driving the soil to turn over from the primary treatment area and enter the secondary separation area; the transverse driving blade is positioned on the rotating shaft at one side of the primary treatment area; the rotating shaft is provided with a plurality of groups of turning vanes on one side of the secondary separation area, the turning vanes are used for turning soil at the bottom part into the upper layer to be mixed with soil leacheate, and the turning vanes are arc-shaped blades radially extending outwards from the rotating shaft; and the upper part of the secondary separation area is provided with a standing separation disc which is positioned on the upper part of the rolling blade and is used for receiving fine soil on the upper layer of the rolled liquid. The soil leacheate treatment equipment is provided with the primary treatment area and the secondary separation area, light fine soil turned up by the turning blade enters the upper layer and enters the standing separation disc to be settled, and the heavy fine soil is settled at the lower part of the standing separation disc; can push the second grade separation region with soil and the mixed suspension of soil leacheate at preliminary mixing stirring, separation treatment can realize gradually progressively reinforced while taking fine soil away in proper order, has improved the treatment effect, and need not divide into a plurality of equipment and handle.
Preferably, a feeding port is formed in one side, close to the driving motor, of the top of the horizontal tank body; and a fine material pumping pipe is arranged at the upper part of the standing separation disc, one end of the fine material pumping pipe extends into the bottom of the standing separation disc, and the other end of the fine material pumping pipe extends out of the horizontal tank body.
Preferably, the bottom of the secondary separation area is provided with a coarse material outlet. The invention is provided with the coarse soil discharge port for recovering coarse soil once or transferring in batches, thereby improving the recovery efficiency.
Preferably, the top of the secondary separation area is provided with a flow guide block, the bottom of the flow guide block is provided with a first flow guide surface and a second flow guide surface, and the first flow guide surface is positioned at the upper part of the primary treatment area and is an inwards concave arc surface which inclines downwards from one end close to the driving motor to the other end; the second diversion surface is positioned at the upper part of the secondary separation area and is an inwards concave curved surface which is inclined upwards from one side close to the primary treatment area to the other side; the outer side of the top of the secondary separation area is also provided with a cambered frustum-shaped standing cabin protruding out of the tank top, the standing cabin is positioned right above the standing separation disc and penetrates through the secondary separation area, and the inner side wall of the standing cabin is in smooth transition with the second flow guide surface to form a uniform curved surface; the top of the standing separation disc extends into the standing cabin. The first flow guide surface is arranged to prevent the primarily mixed suspension from entering the standing separation disc, the standing cabin is arranged to increase the height of the secondary separation area, the standing separation effect can be improved, and meanwhile, the soil leacheate can be filled to be higher than the top height of the primary treatment area.
(III) advantageous effects
The soil leacheate, the using method and the equipment provided by the invention have the following advantages:
1. according to the invention, the p-methoxyphenol is used for absorbing organic pollutants in soil through a chemical reaction, and the organic pollutants are combined with a brand-new high-efficiency full-function soil remediation agent through a chemical bond, so that the pollutants are removed, meanwhile, the effective organic matters in the soil are increased, and the newly generated organic matters can be utilized by probiotics in the soil; meanwhile, the potassium persulfate and the oxalic acid part are arranged to absorb heavy metals in the soil, the oxalic acid can be used for adjusting the pH value of the soil leacheate, p-methoxyphenol can be combined with organic pollutants more easily to achieve the optimal effect, in addition, the excessive part can be used as nutrient components to improve the fertility of the soil, and the defects that the application range of the existing soil leacheate treatment is small, and the recovered soil cannot be used for cultivation are overcome.
2. The soil leacheate can be used for preparing fine-processed soil and coarse-processed soil after being processed for one time, can be respectively returned for cultivation, and can be laid on the ground to adapt to different agricultural crop types by adjusting the proportion of the fine-processed soil to the coarse-processed soil.
3. The soil leacheate treatment equipment provided by the invention is provided with the primary treatment area and the secondary separation area, so that the soil and the soil leacheate mixed suspension which is primarily mixed and stirred can be pushed into the secondary separation area for separation treatment, the fine soil can be pumped away while the materials are sequentially and gradually added, the treatment effect is improved, and the treatment is not required to be divided into a plurality of pieces of equipment for treatment.
Drawings
FIG. 1 is a schematic side view of a soil leachate treatment apparatus for a soil leachate according to example 3 of the present invention;
FIG. 2 is a schematic sectional view of a secondary separation area of the soil leacheate treatment device of FIG. 1 according to example 3 of the present invention;
fig. 3 is a schematic view of the structure of the lateral driving blade of the secondary separation area of the soil leachate treatment apparatus of fig. 1 according to example 3 of the present invention.
1. A horizontal tank body; 2. a rotating shaft; 3. a drive motor; 4. a primary treatment zone; 5. a secondary separation zone; 6. a transverse driving blade; 7. turning over the blades; 8. standing the separation disc; 9. a feeding port; 10. a fine material pumping pipe; 11. a coarse material outlet; 12. a flow guide block; 13. a first flow guide surface; 14. a second flow guide surface; 15. a cambered surface; 16. a curved surface; 17. and (5) standing the cabin.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1:
the invention provides a soil leacheate, which comprises the following components: the solute comprises p-methoxyphenol, potassium persulfate, oxalic acid, aluminum triacetylacetonate and magnesium sulfate heptahydrate, and the solvent is water, wherein the mass percent of the solvent is 5.4-5.8% of the p-methoxyphenol, 2.2-2.8% of the potassium persulfate and 1-2% of the oxalic acid. The solute also comprises ethylenediamine trisuccinic acid, wherein the mass percent of the ethylenediamine trisuccinic acid is 0.8-1.2%. Wherein the mass percent of the magnesium sulfate heptahydrate is 5-6%. Wherein the mass percent of the aluminum triacetylacetone is 1-2%.
Example 2:
the invention also discloses a use method of the soil leacheate, which comprises the following steps:
1) crushing polluted soil;
2) screening the crushed polluted soil to obtain fine-particle soil with the particle size of less than 3 cm;
3) putting the fine-particle soil into a soil leacheate treatment device, adding water with the weight of 1/2-1/3 of the added soil, and stirring to push the soil to turn over;
4) adding a soil leacheate, stirring, turning and mixing, wherein the amount of the added leacheate is 1-2 times of the weight of the soil;
5) and separating and taking out the fine processed soil and the coarse processed soil.
Example 3:
as shown in fig. 1, fig. 2 and fig. 3, the invention also discloses a soil leacheate treatment device applied to the use method of the soil leacheate, which comprises a horizontal tank body 1 and a rotating shaft 2 which is transversely arranged, wherein the rotating shaft is externally connected with a driving motor 3; the horizontal tank body is internally provided with a primary treatment area 4 close to one side of the driving motor and a secondary separation area 5 positioned at the other side; the rotating shaft is provided with a propeller-shaped transverse driving blade 6 for driving the soil to turn over from the primary treatment area and enter the secondary separation area; the transverse driving blade is positioned on the rotating shaft at one side of the primary treatment area; a plurality of groups of turning vanes 7 are arranged on one side of the rotating shaft, which is positioned in the secondary separation area, the turning vanes are used for turning soil at the bottom part into the upper layer to be mixed with soil leacheate, and the turning vanes are arc-shaped blades which radially extend outwards from the rotating shaft; and the upper part of the secondary separation area is provided with a standing separation disc 8, and the standing separation disc is positioned on the upper part of the rolling blade and is used for receiving fine soil on the upper layer of the rolled liquid. A feeding port 9 is arranged on one side of the top of the horizontal tank body close to the driving motor; and a fine material pumping pipe 10 is arranged at the upper part of the standing separation disc, one end of the fine material pumping pipe extends into the bottom of the standing separation disc, and the other end of the fine material pumping pipe extends out of the horizontal tank body.
And a coarse material outlet 11 is arranged at the bottom of the secondary separation area. The top of the secondary separation area is provided with a flow guide block 12, the bottom of the flow guide block is provided with a first flow guide surface 13 and a second flow guide surface 14, and the first flow guide surface is positioned at the upper part of the primary treatment area and is an inwards concave arc surface 15 which inclines downwards from one end close to the driving motor to the other end; the second flow guiding surface is positioned at the upper part of the secondary separation area and is an inwards concave curved surface 16 which is inclined upwards from one side close to the primary treatment area to the other side. The outer side of the top of the secondary separation area is also provided with a cambered frustum-shaped standing cabin 17 protruding out of the tank top, the standing cabin is positioned right above the standing separation disc and penetrates through the secondary separation area, and the inner side wall of the standing cabin is in smooth transition with the second flow guide surface to form a uniform curved surface; the top of the standing separation disc extends into the standing cabin.
When the embodiment of the invention is implemented, the polluted soil after being crushed and sieved is put into a charging hole, the soil at the bottom part is turned into the upper layer through the turning blade to be mixed with the soil leacheate and is pushed into a secondary separation area, the lighter fine soil turned up by the turning blade enters a standing cabin and enters a standing separation disc to be settled, and the heavier fine soil is settled at the lower part of the standing separation disc; the soil and the soil leacheate mixed suspension which is primarily mixed and stirred can be pushed into a secondary separation area; meanwhile, fine soil is continuously pumped through the fine pumping pipe, coarse soil can be pumped through the coarse discharge port, polluted soil is continuously added at the moment, and multiple batches of soil can be continuously treated.
The above embodiments are only used for illustrating the present invention, and the structure, connection mode and the like of each component can be changed, and all equivalent changes and improvements made on the basis of the technical scheme of the present invention should not be excluded from the protection scope of the present invention.
Claims (5)
1. A method for using soil leacheate is characterized in that the adopted soil leacheate comprises a solute and a solvent, wherein the solute comprises p-methoxyphenol, potassium persulfate and oxalic acid, and the solvent is water, and the mass percent of the solute is 5.4-5.8% of the p-methoxyphenol, 2.2-2.8% of the potassium persulfate and 1-2% of the oxalic acid;
the method comprises the following steps:
1) crushing polluted soil;
2) screening the crushed polluted soil to obtain fine-particle soil with the particle size of less than 3 cm;
3) putting the fine-particle soil into a soil leacheate treatment device, adding water with the weight of 1/2-1/3 of the added soil, and stirring to push the soil to turn over;
4) adding a soil leacheate, stirring, turning and mixing, wherein the amount of the added leacheate is 1-2 times of the weight of the soil;
5) separating and taking out the fine processed soil and the coarse processed soil;
the soil leacheate treatment equipment in the use method of the soil leacheate comprises a horizontal tank body and a rotating shaft which is transversely arranged, wherein the rotating shaft is externally connected with a driving motor; the horizontal tank body is internally provided with a primary treatment area close to one side of the driving motor and a secondary separation area positioned at the other side; the rotating shaft is provided with a propeller-shaped transverse driving blade for driving the soil to turn over from the primary treatment area and enter the secondary separation area; the transverse driving blade is positioned on the rotating shaft at one side of the primary treatment area; the rotating shaft is provided with a plurality of groups of turning blades on one side of the secondary separation area, the turning blades are used for turning soil at the bottom into the upper layer to be mixed with the soil leacheate, and the turning blades are arc-shaped blades radially extending outwards from the rotating shaft; the upper part of the secondary separation area is provided with a standing separation disc, and the standing separation disc is positioned at the upper part of the turning blade and is used for receiving fine soil on the upper layer of the turned liquid; the top of the secondary separation area is provided with a flow guide block, the bottom of the flow guide block is provided with a first flow guide surface and a second flow guide surface, and the first flow guide surface is positioned at the upper part of the primary treatment area and is an inwards concave arc surface which slants downwards from one end close to the driving motor to the other end; the second diversion surface is positioned at the upper part of the secondary separation area and is an inwards concave curved surface which is inclined upwards from one side close to the primary treatment area to the other side; the outer side of the top of the secondary separation area is also provided with a cambered frustum-shaped standing cabin protruding out of the tank top, the standing cabin is positioned right above the standing separation disc and penetrates through the secondary separation area, and the inner side wall of the standing cabin is in smooth transition with the second flow guide surface to form a uniform curved surface; the top of the standing separation disc extends into the standing cabin.
2. The method of using a soil leachate according to claim 1, wherein a feeding port is provided on the top of the horizontal tank body on a side adjacent to the driving motor; and a fine material pumping pipe is arranged at the upper part of the standing separation disc, one end of the fine material pumping pipe extends into the bottom of the standing separation disc, and the other end of the fine material pumping pipe extends out of the horizontal tank body.
3. The method of using a soil leachate according to claim 1, wherein a coarse outlet is provided at the bottom of the secondary separation zone.
4. The method of using a soil leachate according to claim 1, wherein the solute further comprises magnesium sulfate heptahydrate, wherein the mass percentage of magnesium sulfate heptahydrate is 5-6%.
5. The method of using a soil leachate according to claim 1 or 4, wherein said solute further comprises aluminum triacetylacetone, wherein the percentage by mass of aluminum triacetylacetone is 1-2%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019808.9A CN109201727B (en) | 2018-09-03 | 2018-09-03 | Soil leacheate and using method and equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811019808.9A CN109201727B (en) | 2018-09-03 | 2018-09-03 | Soil leacheate and using method and equipment thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109201727A CN109201727A (en) | 2019-01-15 |
| CN109201727B true CN109201727B (en) | 2020-12-11 |
Family
ID=64986759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811019808.9A Active CN109201727B (en) | 2018-09-03 | 2018-09-03 | Soil leacheate and using method and equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109201727B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110075777B (en) * | 2019-05-28 | 2021-02-19 | 上海坎昆仪器设备有限公司 | Horizontal bidirectional stirring reaction kettle |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MY118003A (en) * | 1996-04-22 | 2004-08-30 | Toyota Motor Co Ltd | Microorganisms that decompose halogenated hydrocarbons and their use |
| JP2000210652A (en) * | 1999-01-26 | 2000-08-02 | Kotoo:Kk | Method for detoxicating polluted soil |
| EP1238718A4 (en) * | 1999-11-11 | 2004-09-01 | Idemitsu Kosan Co | Method of degrading hardly degradable harmful material |
| JP4813030B2 (en) * | 2004-09-10 | 2011-11-09 | 中部電力株式会社 | Purification method for soil containing heavy metals |
| CN100569402C (en) * | 2007-09-06 | 2009-12-16 | 南京农业大学 | A kind of by improving the method that soil temperature improves plants enriched soil metal elements |
| TWI551551B (en) * | 2010-04-30 | 2016-10-01 | 三菱瓦斯化學股份有限公司 | Peroxide activator and method for purifying soil and/or underground water |
| CN102091716A (en) * | 2010-11-23 | 2011-06-15 | 上海工程技术大学 | Polluted composite soil repairing method |
| EP2828208B1 (en) * | 2012-03-22 | 2022-02-23 | PeroxyChem LLC | Organic acid activation of persulfates |
| CN102909215B (en) * | 2012-11-13 | 2014-10-01 | 华北电力大学 | Method for repairing soil polluted by heavy metal by combining chemical leaching and bioremediation |
| CN103880548B (en) * | 2014-03-27 | 2015-10-28 | 河南师范大学 | A kind of soil-repairing agent and using method thereof being suitable for the elimination of Cut Flower Chrysanthemum Morifolium continuous cropping obstacle |
| CN104449751B (en) * | 2014-10-23 | 2017-07-28 | 江苏盖亚环境工程有限公司 | A kind of reduction high concentration cobalt, the soil-repairing agent of lead contamination and its application |
| CN104858229B (en) * | 2015-05-05 | 2017-09-19 | 宁波市雨辰环保科技有限公司 | A kind of soil-repairing agent and preparation method thereof |
| CN205797983U (en) * | 2016-07-08 | 2016-12-14 | 大连德联投资控股有限公司 | A kind of Soil leaching stirring module of vehicle-mounted integrated form soil restoring device |
| CN106180167A (en) * | 2016-08-03 | 2016-12-07 | 上海市环境工程设计科学研究院有限公司 | A kind of method utilizing acidifying subcritical water to work in coordination with the pollution of heavy metal chelant repairing heavy metal in soil |
| CN106077063A (en) * | 2016-08-10 | 2016-11-09 | 大连德联投资控股有限公司 | A kind of horizontal flat-top leaching device of vehicle-mounted integrated form soil restoring device |
| CN106345800B (en) * | 2016-09-12 | 2020-04-17 | 南京农业大学 | Method for removing polycyclic aromatic hydrocarbons in soil by persulfate-calcium peroxide composite oxidation |
| CN106311737A (en) * | 2016-09-21 | 2017-01-11 | 安徽瀚景观规划设计院有限公司 | Artificial ecological restoration method for wetland soil |
| CN107159690B (en) * | 2017-06-01 | 2020-05-12 | 大庆华理生物技术有限公司 | Preparation method and implementation process of petroleum-polluted soil remediation agent system |
| CN107983764B (en) * | 2017-12-19 | 2022-09-06 | 湖南华麒资源环境科技发展有限公司 | Method for repairing and improving quality of chromium-polluted soil |
-
2018
- 2018-09-03 CN CN201811019808.9A patent/CN109201727B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109201727A (en) | 2019-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018006708A1 (en) | Apparatus and method for ex-situ chemical elution remediation of heavy metal contaminated soil and recycle of eluate | |
| CN105268737B (en) | Heavy metal contaminated soil remediation equipment and remediation process thereof | |
| CN207463801U (en) | Vehicle is repaired in a kind of municipal garden soil environmental protection with function of digging | |
| EP1071636A1 (en) | Method and device for anaerobic purification of waste water using the uasb method | |
| CN109013683B (en) | A kind of soil restoring device by heavy-metal contaminated soil | |
| CN206069590U (en) | Rainwater high efficiency clarification tank | |
| CN104759461B (en) | A kind of vehicle-mounted removable soil washs prosthetic appliance | |
| CN210305011U (en) | Shield constructs construction dregs processing system | |
| CN109940034A (en) | Method for repairing heavy metal contaminated soil by flotation | |
| CN106237894A (en) | The dynamic quenched mixing arrangement of mud | |
| CN104492803A (en) | Cleaning method for repairing heavy metal contaminated soil | |
| CN111451258A (en) | Pollute soil-groundwater integration repair system | |
| CN205762942U (en) | The dystopy heavy-metal contaminated soil drip washing equipment of continuously-running | |
| CN113217090A (en) | Large-scale low-concentration tailing dry-discharging treatment and paste treatment combined treatment method | |
| CN109201727B (en) | Soil leacheate and using method and equipment thereof | |
| CN107253810A (en) | A kind of process for treating oil-containing sludge | |
| CN1724422A (en) | Process of flowing multistage chemical thermo-dynamic for cleaning mud oil-containing | |
| CN103706621A (en) | Device and method for ultrasonic strengthening remediation of organic pollution field soil | |
| CN107398474A (en) | A kind of soil remediation bucket | |
| CN205925202U (en) | Concrete mixing plant's effluent disposal system | |
| CN204503748U (en) | A kind of vehicle-mounted removable soil washing prosthetic appliance | |
| CN207271802U (en) | A kind of soil remediation bucket | |
| CN216764655U (en) | Sludge treatment device for sewage plant | |
| CN117228702A (en) | Novel phosphogypsum treatment system | |
| CN206279062U (en) | A kind of processing equipment and its technique for simply filling old sludge soil remediation |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |