CN109759431A - A kind of restorative procedure of gas station's contaminated site - Google Patents
A kind of restorative procedure of gas station's contaminated site Download PDFInfo
- Publication number
- CN109759431A CN109759431A CN201910070814.5A CN201910070814A CN109759431A CN 109759431 A CN109759431 A CN 109759431A CN 201910070814 A CN201910070814 A CN 201910070814A CN 109759431 A CN109759431 A CN 109759431A
- Authority
- CN
- China
- Prior art keywords
- contaminated site
- gas station
- medicament
- restorative procedure
- site according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Processing Of Solid Wastes (AREA)
- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Abstract
The invention discloses a kind of restorative procedures of gas station's contaminated site, comprising the following steps: S1, determines the pollution range of gas station's contaminated site and the concentration of pollutant；S2, gas phase extracting in situ is carried out to contaminated site to be repaired, extraction well, gas injection well and injection well is arranged in contaminated site；S3, medicament is injected into injection well；The medicament includes persulfate, complex micro organism fungicide, amino acid and microorganism growth auxiliary agent.The present invention program passes through persulfate and microbial bacterial agent collective effect, make repairing effect more preferable by chemical remediation and biological prosthetic combination, organic matter after persulfate oxidation equally can be degraded or be adsorbed by microbial bacterial agent, and the two collaboration promotes the removal rate of organic contaminants in soil.
Description
Technical field
The present invention relates to environmental technology fields, and in particular to a kind of restorative procedure of gas station's contaminated site.
Background technique
Gas station is the place of the fuel oil such as storage and sale gasoline, diesel oil, and underground installation is because being used for a long time, safeguarding not
The reasons such as benefit or material corrosion easily cause oil product infiltration/leakage, and easily long-distance migration enters underground water to oil product in the soil, becomes shadow
Ring the important risk source of groundwater environment.The pollutant of gas station's Soil Surrounding mainly includes gasoline and diesel oil, wherein gasoline is
Hydrocarbon mixture, main component is C4~C12 aliphatic hydrocarbon and cyclic hydrocar-bons, and contains alkene and a small amount of aromatic hydrocarbon and sulfide etc.；Diesel oil
It is equally hydrocarbon mixture, main chemical compositions are C10-C22 hydro carbons.These most substances are difficult to be degraded, therefore, it is necessary to carry out
Targetedly handle.However, also relatively fewer for the method for the contaminated site reparation of gas station in the prior art.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of reparation side of gas station's contaminated site that repairing effect is good
Method.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted by the present invention are as follows: reparation of gas station's contaminated site
Method, comprising the following steps:
The concentration of S1, the pollution range for determining gas station's contaminated site and pollutant；
S2, gas phase extracting in situ is carried out to contaminated site to be repaired, arranged in contaminated site extraction well, gas injection well and
Injection well；
S3, medicament is injected into injection well, the medicament includes persulfate, complex micro organism fungicide, amino acid and micro-
Biological growth auxiliary agent.
It further, include the material of following parts by weight meter in the medicament: 8~15 persulfates, 12~18 compound micro-
Bacteria agent, 2~3 amino acid and 1~2 microorganism grow auxiliary agent.
Further, the complex micro organism fungicide include saccharomycete, lactic acid bacteria, aspergillus oryzae, rhodopseudomonas acidophilus,
Bacillus and bacillus subtilis.
It further, include the microorganism of following parts by weight meter: 1~3 saccharomycete, 2~5 in the complex micro organism fungicide
Lactic acid bacteria, 1~4 aspergillus oryzae, 2~3 rhodopseudomonas acidophilus, 1~5 bacillus and 1~4 bacillus subtilis.
Further, the medicament is supported on the microballoon with honeycomb porous structure, then load is had to the microballoon of medicament
It is injected into injection well.
Further, the honeycomb hole aperture is 30~80 μm.
Preferably, the medicament is supported on the microballoon made of diatomite, calcium carbonate and charcoal.
Preferably, the diatomite, calcium carbonate and charcoal press 1:(1~3): the mass ratio mixing of (2~4).
Further, it in the step S3, is first carried out soil vapor extraction 5~8 days before injecting medicament into injection well, then
Medicament is injected, after reacting 5~12h, after continuing soil vapor extraction 3~5 days, pollutant concentration is detected again, if pollutant is dense
The 10% of the concentration that degree is reduced to step S1 to measure is hereinafter, then stop extracting；If more than 10% repeating that medicament and extracting is added
Operation.
Further, the persulfate is sodium peroxydisulfate and/or potassium hydrogen persulfate.
It will be filled in contaminated site the beneficial effects of the present invention are: the present invention program and contain persulfate and compound micro-
Hydrocarbons can be oxidized to alcohol etc. to the lower substance of environmental injury by the medicament of bacteria agent, persulfate；Complex microorganism
Microbial inoculum can realize absorption and degradation to pollutant, and complex micro organism fungicide is cooperateed with the compounding of persulfate, is greatly improved
The degradation removal efficiency of pollutant in soil；Meanwhile complex micro organism fungicide can also improve the hardened problem of soil, enhance soil
The degradation efficiency of middle pollutant；In addition, microorganism can also be substantially improved containing microorganism growth auxiliary agent and amino acid in medicament
Activity, while the breeding and survival ability of microorganism can be also promoted, to ensure the stability of microbial degradation effect.Side of the present invention
Case makes repairing effect more by chemical remediation and biological prosthetic combination by persulfate and microbial bacterial agent collective effect
Good, the organic matter after persulfate oxidation equally can be degraded or be adsorbed by microbial bacterial agent, and the two collaboration promotes organic in soil
The removal rate of pollutant.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, it is explained below in conjunction with embodiment.
A kind of embodiment of the present invention are as follows: restorative procedure of gas station's contaminated site, comprising the following steps:
The concentration of S1, the pollution range for determining gas station's contaminated site and pollutant；
S2, gas phase extracting in situ is carried out to contaminated site to be repaired, arranged in contaminated site extraction well, gas injection well and
Injection well；
S3, it is first carried out soil vapor extraction 5 days before injecting medicament into injection well, reinjects medicament, after reacting 8h, continued
After soil vapor extraction 5 days, pollutant concentration is detected again, if the 10% of the concentration that pollutant concentration is reduced to step S1 to measure
Hereinafter, then stopping extracting；If more than 10% repeating that medicament and extraction procedure is added；
The medicament includes persulfate, complex micro organism fungicide, amino acid and microorganism growth auxiliary agent.The persulfuric acid
Salt is sodium peroxydisulfate.
It include the material of following parts by weight meter: 8~15 persulfates, 12~18 complex micro organism fungicides, 2 in the medicament
~3 amino acid (proline, tryptophan and cysteine) and 1~2 microorganism grow auxiliary agent.
It include the microorganism of following parts by weight meter: 3 parts of saccharomycete, 4 parts of lactic acid bacterias, 2 parts in the complex micro organism fungicide
Aspergillus oryzae, 3 parts of rhodopseudomonas acidophilus, 3 parts of bacillus and 2 parts of bacillus subtilises.Lactic acid bacteria makes reaction system in acid
Property, be conducive to the progress of oxidation process.Aspergillus oryzae can be raw as plant by the elements such as organic matter contained in soil and phosphorus, potassium
Nutrition required for long, and a large amount of beneficial microbes are generated, crop production is stimulated, the soil organism is promoted, improves soil texture,
The soil after repairing is enabled more to utilize plant growth；Meanwhile aspergillus oryzae can also generate protease, amylase, carbohydrase, fibre
Plain enzyme and phytase etc. are tieed up, there is good degradation and suction-operated to the organic pollutant in soil.Rhodopseudomonas acidophilus
There is good degradation to organic pollutant.
The medicament is supported on the microballoon with honeycomb porous structure, then has the microballoon of medicament to be injected into injection load
In well.With honeycomb porous structure, it is possible to increase the specific surface area of microballoon, intensified response efficiency.
The medicament is supported on the microballoon made of diatomite, calcium carbonate and charcoal, the diatomite, calcium carbonate
1:(1~3 are pressed with charcoal): the mass ratio mixing of (2~4).
Using the above method, gas station is discarded to certain and carries out soil remediation experiment, gas station's site area is 360m2It is (long
20m, wide 18m), pollutant is gasoline and diesel oil, and pollutant concentration range is 2523~2719mg/kg soil, and multidraw is average
Value is 2600mg/kg.The specific formula and repairing effect data of medicament are as shown in table 1 below:
1 reagent combination of table and repairing effect statistical form
As can be seen from the above table, the present invention program can quickly and efficiently remove the organic contamination in gas station's contaminated site
Object.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright description are applied directly or indirectly in relevant technical field, are similarly included in this hair
In bright scope of patent protection.
Claims (10)
1. a kind of restorative procedure of gas station's contaminated site, comprising the following steps:
The concentration of S1, the pollution range for determining gas station's contaminated site and pollutant；
S2, gas phase extracting in situ is carried out to contaminated site to be repaired, extraction well, gas injection well and injection is arranged in contaminated site
Well；
S3, medicament is injected into injection well；
It is characterized by: the medicament includes persulfate, complex micro organism fungicide, amino acid and microorganism growth auxiliary agent.
2. the restorative procedure of gas station's contaminated site according to claim 1, it is characterised in that: include in the medicament with
The material of lower parts by weight meter: 8~15 persulfates, 12~18 complex micro organism fungicides, 2~3 amino acid and 1~2 microorganism are raw
Long auxiliary agent.
3. the restorative procedure of gas station's contaminated site according to claim 1, it is characterised in that: the composite microbial bacteria
Agent includes saccharomycete, lactic acid bacteria, aspergillus oryzae, rhodopseudomonas acidophilus, bacillus and bacillus subtilis.
4. the restorative procedure of gas station's contaminated site according to claim 3, it is characterised in that: the composite microbial bacteria
It include the microorganism of following parts by weight meter: 1~3 saccharomycete, 2~5 lactic acid bacterias, 1~4 aspergillus oryzae, the red vacation of 2~3 acidophilus in agent
Monad, 1~5 bacillus and 1~4 bacillus subtilis.
5. the restorative procedure of gas station's contaminated site according to claim 1, it is characterised in that: the medicament to be supported on
On microballoon with honeycomb porous structure, then by load have medicament microballoon be injected into injection well.
6. the restorative procedure of gas station's contaminated site according to claim 5, it is characterised in that: the honeycomb hole aperture is
30~80 μm.
7. the restorative procedure of gas station's contaminated site according to claim 5, it is characterised in that: the medicament to be supported on
On the microballoon made of diatomite, calcium carbonate and charcoal.
8. the restorative procedure of gas station's contaminated site according to claim 7, it is characterised in that: the diatomite, carbonic acid
Calcium and charcoal press 1:(1~3): the mass ratio mixing of (2~4).
9. the restorative procedure of gas station's contaminated site according to claim 1-8, it is characterised in that: the step
It in S3, is first carried out soil vapor extraction 5~8 days before injecting medicament into injection well, reinjects medicament, after reacting 5~12h, after
Continuous soil vapor extraction detected pollutant concentration, if the concentration that pollutant concentration is reduced to step S1 to measure after 3~5 days again
10% hereinafter, then stopping extracting；If more than 10% repeating that medicament and extraction procedure is added.
10. the restorative procedure of gas station's contaminated site according to claim 1-8, it is characterised in that: the mistake
Sulfate is sodium peroxydisulfate and/or potassium hydrogen persulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070814.5A CN109759431A (en) | 2019-01-25 | 2019-01-25 | A kind of restorative procedure of gas station's contaminated site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070814.5A CN109759431A (en) | 2019-01-25 | 2019-01-25 | A kind of restorative procedure of gas station's contaminated site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109759431A true CN109759431A (en) | 2019-05-17 |
Family
ID=66455182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910070814.5A Pending CN109759431A (en) | 2019-01-25 | 2019-01-25 | A kind of restorative procedure of gas station's contaminated site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109759431A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816573A (en) * | 2021-10-14 | 2021-12-21 | 南京宁联环保科技有限公司 | Oil sludge treatment process |
| CN114904904A (en) * | 2022-02-23 | 2022-08-16 | 生态环境部南京环境科学研究所 | In-situ oxidation remediation method for removing and controlling peculiar smell of pesticide-polluted soil |
| CN115433584A (en) * | 2022-08-17 | 2022-12-06 | 吉林建筑大学 | Calcium peroxide-sodium persulfate synergistic in-situ remediation method for organic composite polluted site |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1788869A (en) * | 2005-12-21 | 2006-06-21 | 中国石油化工股份有限公司 | Solid composite microbe microsphere for soil rehabilitation and its preparation method |
| CN102199589A (en) * | 2010-12-27 | 2011-09-28 | 北京师范大学 | Immobilized microspheres for remediation of petroleum contaminated soil, preparation method thereof and application thereof |
| CN105855289A (en) * | 2016-06-03 | 2016-08-17 | 南通国盛环境修复有限责任公司 | In-situ combination remediation method of high-concentration petroleum hydrocarbon contaminated soil |
| CN106190891A (en) * | 2016-07-11 | 2016-12-07 | 陕西师范大学 | Based on the oxidation of sodium peroxydisulfate complex and microorganism species biological reinforced Combined Treatment soil with serious petroleum pollution or the method for greasy filth |
| CN106984643A (en) * | 2017-04-19 | 2017-07-28 | 中国石油天然气集团公司 | A kind of restorative procedure and device of gas station's contaminated site |
| CN107446585A (en) * | 2017-06-27 | 2017-12-08 | 浦江县元寿农业科技有限公司 | A kind of compound biological soil improver and preparation method thereof |
| CN109174961A (en) * | 2018-08-31 | 2019-01-11 | 成都理工大学 | A kind of soil remediation microorganism sustained-release microspheres |
-
2019
- 2019-01-25 CN CN201910070814.5A patent/CN109759431A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1788869A (en) * | 2005-12-21 | 2006-06-21 | 中国石油化工股份有限公司 | Solid composite microbe microsphere for soil rehabilitation and its preparation method |
| CN102199589A (en) * | 2010-12-27 | 2011-09-28 | 北京师范大学 | Immobilized microspheres for remediation of petroleum contaminated soil, preparation method thereof and application thereof |
| CN105855289A (en) * | 2016-06-03 | 2016-08-17 | 南通国盛环境修复有限责任公司 | In-situ combination remediation method of high-concentration petroleum hydrocarbon contaminated soil |
| CN106190891A (en) * | 2016-07-11 | 2016-12-07 | 陕西师范大学 | Based on the oxidation of sodium peroxydisulfate complex and microorganism species biological reinforced Combined Treatment soil with serious petroleum pollution or the method for greasy filth |
| CN106984643A (en) * | 2017-04-19 | 2017-07-28 | 中国石油天然气集团公司 | A kind of restorative procedure and device of gas station's contaminated site |
| CN107446585A (en) * | 2017-06-27 | 2017-12-08 | 浦江县元寿农业科技有限公司 | A kind of compound biological soil improver and preparation method thereof |
| CN109174961A (en) * | 2018-08-31 | 2019-01-11 | 成都理工大学 | A kind of soil remediation microorganism sustained-release microspheres |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113816573A (en) * | 2021-10-14 | 2021-12-21 | 南京宁联环保科技有限公司 | Oil sludge treatment process |
| CN114904904A (en) * | 2022-02-23 | 2022-08-16 | 生态环境部南京环境科学研究所 | In-situ oxidation remediation method for removing and controlling peculiar smell of pesticide-polluted soil |
| CN114904904B (en) * | 2022-02-23 | 2023-02-03 | 生态环境部南京环境科学研究所 | In-situ oxidation remediation method for removing and controlling peculiar smell of pesticide-polluted soil |
| CN115433584A (en) * | 2022-08-17 | 2022-12-06 | 吉林建筑大学 | Calcium peroxide-sodium persulfate synergistic in-situ remediation method for organic composite polluted site |
| CN115433584B (en) * | 2022-08-17 | 2024-04-19 | 吉林建筑大学 | Synergistic in-situ repair method for calcium peroxide-sodium persulfate in organic composite polluted site |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hu et al. | Effects of carbon availability in a woody carbon source on its nitrate removal behavior in solid-phase denitrification | |
| CN101898198B (en) | Method for remedying oil pollution by unitedly using air shatter crack and microorganism and device thereof | |
| CN104478098B (en) | For the treatment of the microbial preparation of coal chemical industrial waste water | |
| BR112019016253A2 (en) | compositions and methods for reducing hydrogen sulfide and corrosion influenced by microbes in crude oil, natural gas and associated equipment | |
| CN109759431A (en) | A kind of restorative procedure of gas station's contaminated site | |
| EP2677025B1 (en) | Novel sphingomonas sp. microorganism, and method for decomposing methane or odor-producing compounds using same | |
| Liu et al. | Analysis of microbial communities in the oil reservoir subjected to CO2-flooding by using functional genes as molecular biomarkers for microbial CO2 sequestration | |
| CN102344899A (en) | Preparation method and application for compound fungus agent for degrading organic matter | |
| CN102815792A (en) | Microbe-enzyme composite preparation used for restoring water in urban and rural polluted river, and its preparation method | |
| CN108130288A (en) | The application of Rhodococcus ruber and its degradable organic pollutant | |
| CN109954751A (en) | A kind of soil green ecological restorative procedure | |
| CN110125169A (en) | The method for improveing the repairing organic polluted soil of Fenton oxidation method integrating solid microbial reagent | |
| CN105834202A (en) | Method for repairing soil contaminated by polycyclic aromatic hydrocarbon by combining fenton-like chemical oxidation and biological heap technologies | |
| Ellis et al. | The interactive effects of elevated carbon dioxide and water table draw-down on carbon cycling in a Welsh ombrotrophic bog | |
| Okpala et al. | Comparison of nitrate and perchlorate in controlling sulfidogenesis in heavy oil-containing bioreactors | |
| JP5186169B2 (en) | Purification method of soil and groundwater in aquifer | |
| CN106082447A (en) | A kind of new method utilizing Thermophilic Bacteria complex biological strengthening microbial inoculum to process high temperature oil extraction-generated waste water | |
| CN101654661B (en) | Bioremediation method for petroleum contamination and its special strains | |
| CN102699017A (en) | Method for repairing oil polluted wetland soil environment with cetylic acid intensified scirpi | |
| CN102836869A (en) | Method for restoring crude oil-polluted soil by using sludge generated in yeast production | |
| CN101670238B (en) | Method for removing methane in environment | |
| CN104312949A (en) | Organic chloride pollutant purifying method as well as purifying agent and culture solution used by method | |
| CN107201311A (en) | A kind of screening technique of anaerobic degradation petroleum hydrocarbon methanogen floras | |
| CN104450543B (en) | Indigenous microbial remediation composite preparation and application thereof | |
| CN109734263A (en) | A method of domestic sludge is quickly repaired using CPPM collaboration recovery scenario |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190517 |