CN102249428A - In-situ remediation method of petroleum-polluted groundwater - Google Patents
In-situ remediation method of petroleum-polluted groundwater Download PDFInfo
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- CN102249428A CN102249428A CN2011101542244A CN201110154224A CN102249428A CN 102249428 A CN102249428 A CN 102249428A CN 2011101542244 A CN2011101542244 A CN 2011101542244A CN 201110154224 A CN201110154224 A CN 201110154224A CN 102249428 A CN102249428 A CN 102249428A
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Abstract
The invention relates to an in-situ remediation method of oil-polluted groundwater. At least one nutrient feeding well is built at the down stream of a pollution source, at least one monitoring well is built at the down stream of the nutrient feeding well, and nutrients are fed according to the flow rate of the polluted water in the well. The nutrient feeding well and monitoring well are arranged simply, have long lives, and can be used for monitoring polluted sites for a long term; the nutrients feeding process is simple and easy to operate, does not need other complex components and mobile accessories, and has strong operability and low cost; only simple routine maintenance is needed and the operation and management is easy; and compared with the existing groundwater bioremediation methods, the method is more simple and feasible, can achieve the remediation purpose by regularly feeding nutrients, reduces the arrangement of complex underground components and the maintenance of engineering equipment, is simple in the construction of treatment processes, can directly, efficiently and thoroughly treat the target pollutants, slightly changes the underground environment and does not cause secondary pollution.
Description
Technical field:
The present invention relates to the remedying oil-polluted phreatic method of a kind of contaminated phreatic improvement method, especially original position.
Background technology:
Accident that leaks in oil production, accumulating and the refining process and subsurface storage jar leak, and cause petroleum pollution to enter underground water through aeration zone, have a strong impact on phreatic quality safety.Oil is mainly with three kinds of form polluted underground waters: solubilised state, ADSORPTION STATE and remaining liquid.Because the petroleum component complexity, the toxicity of various components is also inequality.Modal be have high relatively solubleness, transfer ability and three causes toxic pollutent, as BTEX etc.The not only direct polluted underground water of this pollutant, and can enlarge pollution range with phreatic flowing transport diffusion.Development has become relative proven technique type to the reparation of groundwater pollution dystopy so far with monitoring nature decay technique, but it is imperfect yet in some defectives that application process occurs, research is strengthened the nature damped system and can be remedied and administer length consuming time and the huge shortcoming of rehabilitation expense, and using it, to repair underground water petroleum pollution significant to migration, the purifying polluted underground water of control pollutent in underground environment.
Underground water biology in situ recovery technique is because its remediation efficiency is high and to advantages such as the disturbance of surrounding environment are little, paid close attention to by people.Mainly comprise:
Phytoremediation technology utilizes the plant in treating contaminate environment to show that mainly plant promotes the biological degradation of pollutent and strengthens the aspects such as mineralization of rhizospheric microorganism the direct absorption of pollutent, various secretory product or the enzyme that plant discharged.In generally being suitable for administering, the petroleum pollution of lower concentration soil.Cheng Guoling, Li Peijun " plant of oil-polluted soils and microorganism recovery technique " " environmental engineering journal ", 2007, (06): 91-96.
The microorganism recovery technique comprises bacterium method, biological culture method and the soil cultivating method etc. of throwing.Throwing the bacterium method is contaminant degradation bacterium from external source to oil-polluted soils that directly insert, and necessary grand nutrition element of these bacterial growths and micronutrient element are provided simultaneously.The biological culture method is regularly to add nutrition, oxygen or H in contaminated soil
2O
2As the electron acceptor(EA) of microbiological oxidation, improve the metabolic activity of indigenous microorganism, contaminant degradation is CO the most at last
2And H
2O.The soil cultivating method at first should cover petroleum-polluted soil on the soil, utilizes soil microorganisms to carry out the method for degradation of pollutant then.Its advantage is fundamentally to utilize the self-purification capacity of soil and the activity of performance soil enzyme, but causes volatile organic matter to enter in the atmosphere easily, cause atmospheric pollution, and the material of difficult degradation can accumulate wherein the increase soil toxicity.The main drawback of original position microorganism recovery technique is: all organic pollutants of can not degrading; When medium osmosis was low, microbial growth caused latch up phenomenon easily; If not exclusively, there is the danger that produces more harmful intermediate product in degraded; The nutrition of introducing may cause secondary pollution; When the organic contamination substrate concentration is too low, can not satisfy microorganism growth to requirement of carbon source etc.
Kate?M?Scow，Kristin?A?Hicks，Natural?attenuation?and?enhanced?bioremediation?of?organic?contaminants?in?groundwater[J].Current?Opinion?in?Biotechnology，2005，16(3)：246-253。
Mulica，WS；Mathis，N；Begley，JF.Enhanced?Natural?Attenuation?of?MTBE?&Benzene?at?a?Low?Permeability?Site?Using?iSOC?Technology，Contaminated?soils，sediments?and?water：science?in?the?real?world，2005，9(9)：315-327。
Schirmer，Mario；Martienssen，Marion.Enhanced?natural?attenuation?of?MTBE[J].Handbook?of?Environmental?Chemistry，2007：139-158]。
Canning，K.Technology-Natural?attenuation?enhanced?in?remediation?pilot[J].Pollution?engineering，1999，31(13)：15-16.。
Park.DK，Ko.NY，Lee.KK.Optimal?groundwater?remediation?design?considering?effects?of?natural?attenuation?processes：pumping?strategy?with?enhanced-natural-attenuation[J].Geosciences?Journal，2007，11(4)：377-385。The disclosed technical scheme of these documents exists: 1. need set up complicated underground assembly and regularly engineering equipment be carried out maintaining; 2. the nutritive substance complicated component of Yin Ruing is caused secondary pollution when incomplete easily by the indigenous microorganism utilization; 3. the hydrogeological conditions to the place requires harshness, does not have deficiencies such as universality.
Summary of the invention:
Purpose of the present invention just is at above-mentioned the deficiencies in the prior art, provides a kind of original position remedying oil-polluted phreatic method.
The objective of the invention is to be achieved through the following technical solutions: comprise following order and step:
A, beat the above nutrition of a bite at 8-12m place, the downstream of source of pollution 1 and add well 2, nutrition adds the spacing 2-4m of well 2, the above observation well 3 of a bite is made at the 2-4m place, downstream that adds well 2 at nutrition, nutrition add well 2 and observation well 3 be in the plane 60 ° angular distribution;
B, nutrition add the shaft bottom of well 2 and observation well 3 on contaminated phreatic base plate;
C, nutrition add well 2 and the following well casing of observation well 3 Water tables is a floral tube;
D, add the nutraceutical mass ratio of 0.2-0.5g by the every premium on currency of the flow of polluted water in the well and nutrition is added to nutrition adds in the well 2;
E, repair degree and nutrition consumes situation by observation well 3 sampling observation petroleum pollution underground water, so that in time add nutrition.
The described nutrition of steps d is that yeast soaks powder and peptone.
The mass ratio that peptone and yeast soak powder is 2: 1.
Beneficial effect: nutrition adds well and monitor well is provided with simply, and long service life can be used for the monitoring of contaminated site for a long time; Yeast soaks powder and peptone and underground water thorough mixing, has increased the efficient that microorganism utilizes nutritive substance, and it is simple and easy to do that nutritive substance adds process, need not other complex assemblies and mobile utility appliance, workable, with low cost; The petroleum-type that not only can be applied to light nonaqueous phase is polluted, as gasoline, diesel oil and main pollution components benzene, toluene, ethylbenzene and dimethylbenzene etc., can also be applied to the plyability contaminated site of improvement, light nonaqueous phase and heavy nonaqueous phase petroleum pollution that heavy nonaqueous phase petroleum-type pollutes, the underground water petroleum-type of handling is in various degree polluted; Only need simple routine maintenance, operational management is convenient; Compare with existing underground water biological renovation method, method is simple possible more, only need regularly add nutritive substance and can reach the reparation purpose, has reduced the maintaining with engineering equipment of setting up of assembly under the intricately, the treatment process construction is simple, and the processing target pollutent directly, efficiently, thoroughly; Change to underground environment is little, does not cause secondary pollution.
Description of drawings:
Accompanying drawing is: the remedying oil-polluted phreatic method orthographic plan of a kind of original position
1 source of pollution, 2 nutrition add well, 3 observation wells
Embodiment:
Be described in further detail below in conjunction with drawings and Examples:
The remedying oil-polluted phreatic method of a kind of original position comprises following order and step:
A, beat the above nutrition of a bite at 8-12m place, the downstream of source of pollution 1 and add well 2, nutrition adds the spacing 2-4m of well 2, the above observation well 3 of a bite is made at the 2-4m place, downstream that adds well 2 at nutrition, nutrition add well 2 and observation well 3 be in the plane 60 ° angular distribution;
B, nutrition add the shaft bottom of well 2 and observation well 3 on contaminated phreatic base plate;
C, nutrition add well 2 and the following well casing of observation well 3 Water tables is a floral tube;
D, add in the well 2 to nutrition and to add nutrition, add the mixture that the 0.2-0.5g/L yeast soaks powder and peptone by polluted water flow in the well and nutraceutical mass ratio, the mass ratio that peptone and yeast soak powder is 2: 1;
E, repair degree and nutrition consumes situation by observation well 3 sampling observation petroleum pollution underground water, so that in time add nutrition.
Embodiment 1
A, beat the above nutrition of a bite at 8m place, the downstream of source of pollution 1 and add well 2, nutrition adds the spacing 2m of well 2, and the above observation well 3 of a bite is made at the 2m place, downstream that adds well 2 at nutrition, nutrition add well 2 and observation well 3 be in the plane 60 ° angular distribution;
B, nutrition add the shaft bottom of well 2 and observation well 3 on contaminated phreatic base plate;
C, nutrition add well 2 and the following well casing of observation well 3 Water tables is a floral tube;
D, add in the well 2 to nutrition and to add nutrition, add the mixture that the 0.2g/L yeast soaks powder and peptone by polluted water flow in the well and nutraceutical mass ratio, the mass ratio that peptone and yeast soak powder is 2: 1;
E, repair degree and nutrition consumes situation by observation well 3 sampling observation petroleum pollution underground water, so that in time add nutrition.
Embodiment 2
A, beat the above nutrition of a bite at 10m place, the downstream of source of pollution 1 and add well 2, nutrition adds the spacing 3m of well 2, and the above observation well 3 of a bite is made at the 3m place, downstream that adds well 2 at nutrition, nutrition add well 2 and observation well 3 be in the plane 60 ° angular distribution;
B, nutrition add the shaft bottom of well 2 and observation well 3 on contaminated phreatic base plate;
C, nutrition add well 2 and the following well casing of observation well 3 Water tables is a floral tube;
D, add in the well 2 to nutrition and to add nutrition, add the mixture that the 0.3g/L yeast soaks powder and peptone by polluted water flow in the well and nutraceutical mass ratio, the mass ratio that peptone and yeast soak powder is 2: 1;
E, repair degree and nutrition consumes situation by observation well 3 sampling observation petroleum pollution underground water, so that in time add nutrition.
Embodiment 3
A, beat the above nutrition of a bite at 12m place, the downstream of source of pollution 1 and add well 2, nutrition adds the spacing 4m of well 2, and the above observation well 3 of a bite is made at the 4m place, downstream that adds well 2 at nutrition, nutrition add well 2 and observation well 3 be in the plane 60 ° angular distribution;
B, nutrition add the shaft bottom of well 2 and observation well 3 on contaminated phreatic base plate;
C, nutrition add well 2 and the following well casing of observation well 3 Water tables is a floral tube;
D, add in the well 2 to nutrition and to add nutrition, add the mixture that the 0.5g/L yeast soaks powder and peptone by polluted water flow in the well and nutraceutical mass ratio, the mass ratio that peptone and yeast soak powder is 2: 1;
E, repair degree and nutrition consumes situation by observation well 3 sampling observation petroleum pollution underground water, so that in time add nutrition.
Claims (3)
1. the remedying oil-polluted phreatic method of original position is characterized in that, comprises following order and step:
A, beat the above nutrition of a bite at the 8-12m place, downstream of source of pollution (1) and add well (2), nutrition adds the spacing 2-4m of well (2), the above observation well of a bite (3) is made at the 2-4m place, downstream that adds well (2) at nutrition, nutrition add well (2) and observation well (3) be in the plane 60 ° angular distribution;
B, nutrition add the shaft bottom of well (2) and observation well (3) on contaminated phreatic base plate;
C, nutrition add well (2) and the following well casing of observation well (3) Water table is a floral tube;
D, add the nutraceutical mass ratio of 0.2-0.5g by the every premium on currency of the flow of polluted water in the well and nutrition is added to nutrition adds in the well (2);
E, repair degree and nutrition consumes situation by observation well (3) sampling observation petroleum pollution underground water, so that in time add nutrition.
2. according to the remedying oil-polluted phreatic method of the described a kind of original position of claim 1, it is characterized in that the described nutrition of steps d is that yeast soaks powder and peptone.
3. according to the remedying oil-polluted phreatic method of the described a kind of original position of claim 2, it is characterized in that the mass ratio that peptone and yeast soak powder is 2: 1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110154224A CN102249428B (en) | 2011-06-10 | 2011-06-10 | In-situ remediation method of petroleum-polluted groundwater |
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| CN201110154224A CN102249428B (en) | 2011-06-10 | 2011-06-10 | In-situ remediation method of petroleum-polluted groundwater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036354A (en) * | 2015-07-30 | 2015-11-11 | 青岛理工大学 | Device for bioremediation of petroleum-polluted sand beach |
| CN110217893A (en) * | 2019-05-08 | 2019-09-10 | 福道联合(天津)大数据有限公司 | Microorganism remediation nutritional agents in situ and application method |
| CN112974494A (en) * | 2021-02-05 | 2021-06-18 | 四川国润和洁环境科技有限公司 | In-situ remediation method for underground water |
Citations (4)
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| CN1254623A (en) * | 1998-11-20 | 2000-05-31 | 中国科学院生态环境研究中心 | In-situ biologic treating technique for petroleum polluted soil |
| US20040007524A1 (en) * | 2002-07-12 | 2004-01-15 | Scott Noland | Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments |
| CN101234823A (en) * | 2008-03-03 | 2008-08-06 | 暨南大学 | Method for repairing petroleum polluting water body |
| CN101898823A (en) * | 2010-07-09 | 2010-12-01 | 吉林大学 | Method for in-situ restoration of nitrobenzene-polluted underground water through nano-iron slurry reaction zone |
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2011
- 2011-06-10 CN CN201110154224A patent/CN102249428B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1254623A (en) * | 1998-11-20 | 2000-05-31 | 中国科学院生态环境研究中心 | In-situ biologic treating technique for petroleum polluted soil |
| US20040007524A1 (en) * | 2002-07-12 | 2004-01-15 | Scott Noland | Compositions for removing hydrocarbons and halogenated hydrocarbons from contaminated environments |
| CN101234823A (en) * | 2008-03-03 | 2008-08-06 | 暨南大学 | Method for repairing petroleum polluting water body |
| CN101898823A (en) * | 2010-07-09 | 2010-12-01 | 吉林大学 | Method for in-situ restoration of nitrobenzene-polluted underground water through nano-iron slurry reaction zone |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105036354A (en) * | 2015-07-30 | 2015-11-11 | 青岛理工大学 | Device for bioremediation of petroleum-polluted sand beach |
| CN105036354B (en) * | 2015-07-30 | 2016-11-30 | 青岛理工大学 | A kind of biological restoration device at oil pollution sandy beach |
| CN110217893A (en) * | 2019-05-08 | 2019-09-10 | 福道联合(天津)大数据有限公司 | Microorganism remediation nutritional agents in situ and application method |
| CN112974494A (en) * | 2021-02-05 | 2021-06-18 | 四川国润和洁环境科技有限公司 | In-situ remediation method for underground water |
| CN112974494B (en) * | 2021-02-05 | 2023-12-01 | 四川发展环境科学技术研究院有限公司 | In-situ restoration method for groundwater |
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