CN106807738A - A kind of in-situ remediation method of organic material contaminated soil - Google Patents
A kind of in-situ remediation method of organic material contaminated soil Download PDFInfo
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- CN106807738A CN106807738A CN201611208622.9A CN201611208622A CN106807738A CN 106807738 A CN106807738 A CN 106807738A CN 201611208622 A CN201611208622 A CN 201611208622A CN 106807738 A CN106807738 A CN 106807738A
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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
- B09C1/10—Reclamation of contaminated soil microbiologically, biologically or by using enzymes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
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Abstract
The invention discloses a kind of in-situ remediation method of organic material contaminated soil,Characteristic according to organic material contaminated soil selects suitable powder of straw to mince,Peat,Modified activated carbon,Chemosorbent,Chinese herbal medicine extractant and microbial bacterial agent optimize combination,And repaired by certain method,Powder of straw minces first,Peat,Modified activated carbon,Chinese herbal medicine extractant is separated in the presence of other chemical agents,Acted on reference to the aided coordination of chemosorbent,It is aided with matrix and raw material that each microorganism produces utility and its secretion to form mutual growth in its growth course again,And by mutual symbiosis,It is complicated that Relationship With Proliferation forms a composition,Stability Analysis of Structures,Function widely has the microbiologic population of varied bacterium,The mutual reciprocity and mutual benefit in the purification process of the soil containing Organic Pollution,Play the joint advantage of its maximum,With efficient treatment effect,And it is with low cost,Remarkable in economical benefits.
Description
Technical field
The present invention relates to a kind of soil pollution restorative procedure, more particularly, to a kind of in-situ immobilization of organic material contaminated soil
Method.
Background technology
Organic pollution of soil refers to that its quantity and speed have exceeded soil after toxic organicses matter enters soil
The speed of catharsis, destroys nature dynamic equilibrium, the cumulative process of pollutant is gradually occupied advantage, so as to cause soil
Natural normal function imbalance, soil quality declines, and has influence on growing for crop, and yield and Quality Down.
Organic pollution is to be distributed one of widest pollutant in contaminated site.Organic pollution can be adsorbed in soil
On particulate matter and lasting discharges in SOIL GAS and underground water.In order to reduce by organic pollution contaminated soil to human body
Influence caused by health and ecological environment is, it is necessary to more thoroughly remove the organic pollution for being adsorbed in soil particle thing.Heat
Desorption technology is, into the coming year international recovery technique for repairing a kind of organic polluted soil that boundary quickly grows, to be characterized in repairing week
Phase is short, and repairing effect is good.On the other hand, thermal desorption technology causes rehabilitation cost to remain high because heating high energy consumption.
If a kind of convenient application, the gradually improvement soil organic matter that can be used in combination with daily soil cultivation can be provided
Pollution condition and to the inorganic agent that it is repaired, being one is worth the problem of research.
The content of the invention
Goal of the invention：In order to solve the organic material contaminated soil in the presence of prior art normal treatment process effect not
Good problem, the present invention proposes a kind of in-situ remediation method of efficient, with low cost organic material contaminated soil.
Technical scheme：To achieve these objectives, the present invention takes following technical scheme：A kind of original position of organic material contaminated soil
Restorative procedure, comprises the following steps：
(1) reparation raw material is prepared by formula as below by weight：14-22 parts of powder of straw minces, 13-20 parts of peat, 2-6
Part modified activated carbon, 6-12 parts of restrainer, 6-16 parts of bentonite, 9-12 parts of Peracetic acid, 3-6 parts of calcium hydroxide, 3-10
Part polymeric adsorbent, 1-3 parts of decolorising agent, 4-13 parts of ozone, 20-35 parts of composite microbial bacteria, 6-9 parts of Chinese medical extract；
Wherein composite microbial bacteria is 3 comprising mass ratio:2:1 arthrobacterium, gibberella and bacillus, it is monoxenic every
Containing being not less than 2.0 hundred million active bacterias in gram culture medium；
(2) powder of straw for taking 1/3rd amounts first minces, the mixture powder of peat, modified activated carbon, Chinese medical extract
1-2cm is broken to uniformly to mix as carrier with bentonite, by several composite microbial bacterias by the way of solid culture above-mentioned
Cultivated on carrier, it is standby to carry out more than culture 15d in the environment of being placed in 35-40 DEG C；
(3) restrainer, Peracetic acid, calcium hydroxide, polymeric adsorbent, ozone are taken it is placed in water and is evenly stirred until dissolving
Completely, the powder of straw for admixing surplus minces, go mixing and stirring in the mixture of peat, modified activated carbon, Chinese medical extract
It is standby；
(4) when proceeding by soil remediation, step (2) and step (3) are made into standby mixture and is mixed, and added
Enter in the desired amount of decolorising agent input soil, the input amount preparation by 40-60kg/ mu is divided into three parts, in admixing soil in three times,
Soil of deep ploughing simultaneously is well mixed, and each making time is spaced 8-12d.
It is more highly preferred to, the powder of straw minces and selects the crop material of weed seed.
It is more highly preferred to, the modified activated carbon is alkali modification activated carbon.
It is more highly preferred to, the restrainer is the mixture of alkynol compound and aminated compounds.
It is more highly preferred to, the polymeric adsorbent is obtained for polyamide is modified.
It is more highly preferred to, the decolorising agent is anhydrous magnesium sulfate, granular activated carbon, kaolin three mass ratio are 4:1:2
Mixture.
It is more highly preferred to, the bacillus is bacillus licheniformis.
It is more highly preferred to, the Chinese medical extract extracts from honeysuckle, smilax, big brigand, rhizoma zingiberis, Silence tenuis, wooden cottonrose hibiscus
Rong spend at least three kinds.
Beneficial effect：The in-situ remediation method of a kind of organic material contaminated soil that the present invention is provided, according to Organic Pollution
The characteristic of soil selects suitable powder of straw to mince, peat, modified activated carbon, chemosorbent, Chinese herbal medicine extractant and micro- life
Thing microbial inoculum optimizes combination, and is repaired by certain method, first powder of straw mince, peat, modified activated carbon, medium-height grass
Medicine extractant is separated in the presence of other chemical agents, is acted on reference to the aided coordination of chemosorbent, then is aided with each
Microorganism produces utility and its secretion to form the matrix and raw material of mutual growth in its growth course, and by mutual
Symbiosis, Relationship With Proliferation form composition complexity, Stability Analysis of Structures, a function widely micropopulation with varied bacterium
Fall, the mutual reciprocity and mutual benefit in the purification process of the soil containing Organic Pollution play the joint advantage of its maximum, with efficient
Treatment effect, and with low cost, remarkable in economical benefits.
Specific embodiment
Embodiment 1：
A kind of in-situ remediation method of organic material contaminated soil, comprises the following steps：
(1) reparation raw material is prepared by formula as below by weight：14 parts of powder of straw mince, 13 parts of peat, 2 parts modified live
Property charcoal, 6 parts of restrainers, 6 parts of bentonites, 9 parts of Peracetic acid, 3 parts of calcium hydroxides, 3 parts of polymeric adsorbents, 1 part of decolorising agent, 4
Part ozone, 20 parts of composite microbial bacterias, 6 parts of Chinese medical extracts；
Wherein composite microbial bacteria is 3 comprising mass ratio:2:1 arthrobacterium, gibberella and bacillus, it is monoxenic every
Containing being not less than 2.0 hundred million active bacterias in gram culture medium；The powder of straw minces and selects the crop material of weed seed；It is described
Modified activated carbon is alkali modification activated carbon；The restrainer is that mass ratio is 3:1 alkynol compound and amine chemical combination
The mixture of thing；The polymeric adsorbent is obtained for polyamide is modified；The decolorising agent is anhydrous magnesium sulfate, particle work
Property charcoal, kaolin three mass ratio be 4:1:2 mixture；The bacillus is bacillus licheniformis；The traditional Chinese medicine extraction
Thing extracts from honeysuckle, smilax, three kinds of mixing of big brigand.
(2) powder of straw for taking 1/3rd amounts first minces, the mixture powder of peat, modified activated carbon, Chinese medical extract
1-2cm is broken to uniformly to mix as carrier with bentonite, by several composite microbial bacterias by the way of solid culture above-mentioned
Cultivated on carrier, it is standby to carry out more than culture 15d in the environment of being placed in 35-40 DEG C；
(3) restrainer, Peracetic acid, calcium hydroxide, polymeric adsorbent, ozone are taken it is placed in water and is evenly stirred until dissolving
Completely, the powder of straw for admixing surplus minces, go mixing and stirring in the mixture of peat, modified activated carbon, Chinese medical extract
It is standby；
(4) when proceeding by soil remediation, step (2) and step (3) are made into standby mixture and is mixed, and added
Enter in the desired amount of decolorising agent input soil, the input amount preparation by 40kg/ mu is divided into three parts, in admixing soil in three times, together
When deep ploughing soil be well mixed, each making time is spaced 8d.
Embodiment 2：
A kind of in-situ remediation method of organic material contaminated soil, comprises the following steps：
(1) reparation raw material is prepared by formula as below by weight：22 parts of powder of straw mince, 20 parts of peat, 6 parts modified live
Property charcoal, 12 portions of restrainers, 16 parts of bentonites, 12 parts of Peracetic acid, 6 parts of calcium hydroxides, 10 parts of polymeric adsorbents, 3 parts of decolourings
Agent, 13 parts of ozone, 35 parts of composite microbial bacterias, 9 parts of Chinese medical extracts；
Wherein composite microbial bacteria is 3 comprising mass ratio:2:1 arthrobacterium, gibberella and bacillus, it is monoxenic every
Containing being not less than 2.0 hundred million active bacterias in gram culture medium；The powder of straw minces and selects the crop material of weed seed；It is described
Modified activated carbon is alkali modification activated carbon；The restrainer is that mass ratio is 2:1 alkynol compound and amine chemical combination
The mixture of thing；The polymeric adsorbent is obtained for polyamide is modified；The decolorising agent is anhydrous magnesium sulfate, particle work
Property charcoal, kaolin three mass ratio be 4:1:2 mixture；The bacillus is bacillus licheniformis；The traditional Chinese medicine extraction
Thing extracts from rhizoma zingiberis, Silence tenuis, three kinds of mixing of cottonrose hibiscus flower.
(2) powder of straw for taking 1/3rd amounts first minces, the mixture powder of peat, modified activated carbon, Chinese medical extract
1-2cm is broken to uniformly to mix as carrier with bentonite, by several composite microbial bacterias by the way of solid culture above-mentioned
Cultivated on carrier, it is standby to carry out more than culture 15d in the environment of being placed in 35-40 DEG C；
(3) restrainer, Peracetic acid, calcium hydroxide, polymeric adsorbent, ozone are taken it is placed in water and is evenly stirred until dissolving
Completely, the powder of straw for admixing surplus minces, go mixing and stirring in the mixture of peat, modified activated carbon, Chinese medical extract
It is standby；
(4) when proceeding by soil remediation, step (2) and step (3) are made into standby mixture and is mixed, and added
Enter in the desired amount of decolorising agent input soil, the input amount preparation by 60kg/ mu is divided into three parts, in admixing soil in three times, together
When deep ploughing soil be well mixed, each making time is spaced 12d.
Embodiment 3：
A kind of in-situ remediation method of organic material contaminated soil, comprises the following steps：
(1) reparation raw material is prepared by formula as below by weight：18 parts of powder of straw mince, 16 parts of peat, 4 parts modified live
Property charcoal, 9 portions of restrainers, 10 parts of bentonites, 11 parts of Peracetic acid, 5 parts of calcium hydroxide, 5 parts of polymeric adsorbents, 2 parts of decolorising agents,
9 parts of ozone, 28 parts of composite microbial bacterias, 7 parts of Chinese medical extracts；
Wherein composite microbial bacteria is 3 comprising mass ratio:2:1 arthrobacterium, gibberella and bacillus, it is monoxenic every
Containing being not less than 2.0 hundred million active bacterias in gram culture medium；The powder of straw minces and selects the crop material of weed seed；It is described
Modified activated carbon is alkali modification activated carbon；The restrainer is the mixture of alkynol compound and aminated compounds；Institute
Polymeric adsorbent is stated to be obtained for polyamide is modified；The decolorising agent is anhydrous magnesium sulfate, granular activated carbon, kaolin three
Person's mass ratio is 4:1:2 mixture；The bacillus is bacillus licheniformis；The Chinese medical extract extracts from gold and silver
Flower, smilax, big brigand, rhizoma zingiberis, Silence tenuis, several mixing of cottonrose hibiscus flower.
(2) powder of straw for taking 1/3rd amounts first minces, the mixture powder of peat, modified activated carbon, Chinese medical extract
1-2cm is broken to uniformly to mix as carrier with bentonite, by several composite microbial bacterias by the way of solid culture above-mentioned
Cultivated on carrier, it is standby to carry out more than culture 15d in the environment of being placed in 35-40 DEG C；
(3) restrainer, Peracetic acid, calcium hydroxide, polymeric adsorbent, ozone are taken it is placed in water and is evenly stirred until dissolving
Completely, the powder of straw for admixing surplus minces, go mixing and stirring in the mixture of peat, modified activated carbon, Chinese medical extract
It is standby；
(4) when proceeding by soil remediation, step (2) and step (3) are made into standby mixture and is mixed, and added
Enter in the desired amount of decolorising agent input soil, the input amount preparation by 50kg/ mu is divided into three parts, in admixing soil in three times, together
When deep ploughing soil be well mixed, each making time is spaced 9d.
The soil of industry's Organic Pollution is carried out using the in-situ remediation method of above-described embodiment 1-3 small
Examination is processed, and is measured within three months after, wherein being also carried out test, warp to each organic pollution content in soil using preceding
Clearance is as follows after crossing treatment：
Table 1：Organic contaminants in soil clearance after the renovation agent treatment of embodiment 1-3
As shown above, organic material contaminated soil is processed using the in-situ remediation method of embodiment of the present invention 1-3
Afterwards, various organic pollutions have obvious removal effect, it can be seen that, a kind of reparation of organic material contaminated soil of the invention
Agent and its application have efficient treatment effect, and with low cost, remarkable in economical benefits.
It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention,
Some improvement can also be made, these improvement also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of in-situ remediation method of organic material contaminated soil, it is characterised in that comprise the following steps：
(1) reparation raw material is prepared by formula as below by weight：14-22 parts of powder of straw minces, 13-20 parts of peat, 2-6 parts change
Property activated carbon, 6-12 portions of restrainer, 6-16 parts of bentonite, 9-12 parts of Peracetic acid, 3-6 parts of calcium hydroxide, 3-10 parts of suction
Attached resin, 1-3 part decolorising agent, 4-13 parts of ozone, 20-35 parts of composite microbial bacteria, 6-9 parts of Chinese medical extract；
Wherein composite microbial bacteria is 3 comprising mass ratio:2:1 arthrobacterium, gibberella and bacillus, monoxenic every gram of training
Contain in foster base and be not less than 2.0 hundred million active bacterias；
(2) powder of straw for taking 1/3rd amounts first minces, the mixture of peat, modified activated carbon, Chinese medical extract is crushed to
1-2cm uniformly mixes as carrier with bentonite, by several composite microbial bacterias by the way of solid culture in above-mentioned carrier
On cultivated, it is standby to carry out more than culture 15d in the environment of being placed in 35-40 DEG C；
(3) restrainer, Peracetic acid, calcium hydroxide, polymeric adsorbent, ozone are taken it is placed in water and is evenly stirred until and has dissolved
Entirely, the powder of straw for admixing surplus minces, go mixing and stirring standby in the mixture of peat, modified activated carbon, Chinese medical extract
With；
(4) when proceeding by soil remediation, step (2) and step (3) are made into standby mixture and is mixed, and add institute
In the decolorising agent input soil of requirement, the input amount preparation by 40-60kg/ mu is divided into three parts, in admixing soil in three times, while
Deep ploughing soil is well mixed, and each making time is spaced 8-12d.
2. the in-situ remediation method of organic material contaminated soil according to claim 1, it is characterised in that：The crushed stalk
Thing selects the crop material of weed seed.
3. the in-situ remediation method of organic material contaminated soil according to claim 1, it is characterised in that：The modified active
Charcoal is alkali modification activated carbon.
4. the in-situ remediation method of organic material contaminated soil according to claim 1, it is characterised in that：The pickling inhibition
Agent is the mixture of alkynol compound and aminated compounds.
5. the in-situ remediation method of organic material contaminated soil according to claim 1, it is characterised in that：The polymeric adsorbent
Obtained for polyamide is modified.
6. the in-situ remediation method of organic material contaminated soil according to claim 1, it is characterised in that：The decolorising agent is
Anhydrous magnesium sulfate, granular activated carbon, kaolin three mass ratio are 4:1:2 mixture.
7. the in-situ remediation method of organic material contaminated soil according to claim 1, it is characterised in that：The bacillus
It is bacillus licheniformis.
8. the in-situ remediation method of organic material contaminated soil according to claim 1, it is characterised in that：The traditional Chinese medicine extraction
Thing extracts from least three kinds in honeysuckle, smilax, big brigand, rhizoma zingiberis, Silence tenuis, cottonrose hibiscus flower.
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| CN201611208622.9A CN106807738A (en) | 2016-12-23 | 2016-12-23 | A kind of in-situ remediation method of organic material contaminated soil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110004089A (en) * | 2019-04-15 | 2019-07-12 | 微生物肥料技术研究推广中心 | The method and application of microbial bacterial agent and its rehabilitating soil |
| CN113070333A (en) * | 2021-03-18 | 2021-07-06 | 东南大学 | Cooperative thermal desorption combined vacuum remediation method for petroleum hydrocarbon contaminated soil |
| CN113072946A (en) * | 2019-12-17 | 2021-07-06 | 中国石油天然气集团有限公司 | Agent for in-situ remediation of petroleum hydrocarbon contaminated soil, preparation method and application thereof |
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| CN113070333A (en) * | 2021-03-18 | 2021-07-06 | 东南大学 | Cooperative thermal desorption combined vacuum remediation method for petroleum hydrocarbon contaminated soil |
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Application publication date: 20170609 |