CN109877151A - A kind of restorative procedure of organic polluted soil - Google Patents
A kind of restorative procedure of organic polluted soil Download PDFInfo
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Abstract
The application provides a kind of restorative procedure of organic polluted soil, include the following steps: that (one) is laid with geomembrane, sawdust powder, (2) organic polluted soil renovation agent is mixed with organic polluted soil, and (three) plant willow seedling and carrot, and (four) extract carrot.The present invention also provides the preparation methods of the organic polluted soil renovation agent may be implemented safely, quickly, efficiently repairing for organic polluted soil using each embodiment of the application, reduces rehabilitation cost, reduces the generation of secondary pollution.
Description
Technical field
This application involves ecological pollution control technology field, in particular to a kind of restorative procedure of organic polluted soil.
Background technique
With the quickening of urbanization and process of industrialization, cause the organic contamination of China's soil quite serious, and to agricultural production
The influence of product and human health has become increasingly apparent.The main source of organic pollution is the use and industry of organic agricultural chemicals
The unreasonable discharge of waste, pollution type mainly include organic pesticide, multiring aromatic hydrocarbon, halogenated hydrocarbon and O-phthalic
Acid esters etc., these pollutants largely have slightly solubility, toxicity, mutagenesis, carcinogenic property, to human health and the ecosystem
There is huge harm, seriously affects the use function in soil.
The recovery technique of organic polluted soil mainly has peripheral doses, chemical remediation, physical chemistry reparation and biological prosthetic
Four major class.Currently, more or less to there is renovation technique cumbersome for the various methods for improving organic pollution of soil situation, cost compared with
Height, economy is poor, and repairing efficiency is long, bad to the pollutant removal compared with low solubility, bad to the adaptability of soil,
Soil toxicity enhancing is easily led to, microbial activity is reduced.
Therefore, seek it is a kind of it is easy to accomplish, rehabilitation cost is cheap, repairing effect is significant, be not likely to produce secondary pollution has
The restorative procedure of machine object contaminated soil is urgent problem to be solved in the industry.
Summary of the invention
The purpose of the embodiment of the present application is to provide a kind of restorative procedure of organic polluted soil, to realize organic polluted soil
Safely, quickly, efficiently repair, reduce rehabilitation cost, reduce the generation of secondary pollution.
The restorative procedure that the embodiment of the present application provides a kind of organic polluted soil is achieved in that
A kind of restorative procedure of organic polluted soil, includes the following steps:
Step S1: organic polluted soil is dug into its 80-100cm with excavator, then at the organic polluted soil bottom dug
Portion is laid with one layer of geomembrane, then one layer of sawdust powder is laid on geomembrane, and sawdust powder is laid with until no gap；
Step S2: organic polluted soil renovation agent is uniformly mixed with organic polluted soil, turn over up and down, then will mix
Even soil is layered on sawdust powder surface, and spray water, keeping the humidity of contaminated soil is 15-20%；
Step S3: after a week, using step S2 it is processed suddenly in kind of 2-3m high willow seedling, in willow seedling interval
Interplant carrot；
After step S4:2-4 months, carrot is extracted, completes to repair.
Preferably, the geomembrane is low density polyethylene (LDPE) geomembrane, high-density polyethylene geomembrane, ethyl vinyl acetate second
One of alkene copolymer geomembrane.
Preferably, the organic polluted soil renovation agent, organic polluted soil mass ratio be (5-10): 100.
Further, the organic polluted soil renovation agent is made: Potassium Monopersulfate of each raw material of following parts by weight
8-12 parts, 2-5 parts of stearic acid ferrous (II), 10-15 parts of ferrous bisglycinate chelate amidation D- glucosaccharic acid, 10-15 parts of plant ash, mud
10-20 parts of charcoal, is modified Ti-Ce-O 1-4 parts at 5-10 parts of activated sludge.
Preferably, the preparation method of the ferrous bisglycinate chelate amidation D- glucosaccharic acid, includes the following steps: glycine
Ferrous, D- glucosaccharic acid is added in high boiling solvent, then dicyclohexylcarbodiimide, 4- dimethylamino pyrrole are added thereto
Pyridine is stirred to react 18-24 hours at 75-85 DEG C, and back spin steams removing solvent, obtains ferrous bisglycinate chelate amidation D- glucose two
Acid.
Preferably, the ferrous bisglycinate chelate, D- glucosaccharic acid, high boiling solvent, dicyclohexylcarbodiimide, 4- diformazan ammonia
The mass ratio of yl pyridines is 1:1.03:(6-10): (0.4-0.6): 0.3.
Preferably, the high boiling solvent is in dimethyl sulfoxide, n,N-Dimethylformamide, n,N-dimethylacetamide
One or more.
Preferably, the preparation method of the modified Ti-Ce-O, includes the following steps:
Step D1: butyl titanate, cerium chloride are added in the beaker equipped with ethyl alcohol, stir 1-2 hours, after be transferred to
In the hydrothermal reaction kettle of polytetrafluoroethyllining lining, 190-210 DEG C reaction 20-24 hours；Reaction kettle is taken out, it is cold to reaction system
But it is successively respectively washed 3-5 times with deionized water and dehydrated alcohol respectively afterwards, it is finally dry in 100-110 DEG C of vacuum oven
It 18-22 hours, is cooled to room temperature, grinds, cross 100-200 mesh and obtain Ti-Ce-O；
Step D2: the Ti-Ce-O being prepared by step D1 is added in ethyl alcohol, then methyl 3- is added thereto
(trimethoxy silane base) propylmethylposphonate, is stirred to react 6-8 hours at 60-80 DEG C, finally true at 100-110 DEG C afterwards
It dries in empty drying box to constant weight.
Preferably, butyl titanate described in step D1, cerium chloride, ethyl alcohol mass ratio be 1:1:(20-30).
Preferably, Ti-Ce-O described in step D2, ethyl alcohol, methyl 3- (trimethoxy silane base) propylmethylposphonate
Mass ratio be 1:(5-10): 0.2.
Further, the preparation method of the organic polluted soil renovation agent, includes the following steps: monopersulfate
Potassium, stearic acid ferrous (II), ferrous bisglycinate chelate amidation D- glucosaccharic acid, plant ash, peat, activated sludge, modified Ti-Ce-O
Being dried respectively makes its water content less than 1%；Carrying out pulverization process afterwards makes its partial size be less than 2mm；It mixes in proportion again,
250-300s is stirred with the rate of 150-200rpm.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
(1) restorative procedure of organic polluted soil provided by the invention is simple and easy, easy to operate, to device dependence
It is small, it is low in cost, it is relatively environmentally friendly, it is convenient for large-scale production, has good promotion and application value.
(2) restorative procedure of organic polluted soil provided by the invention is isolated using soil-repairing agent, microorganism and overlay film
It is used in combination, on the one hand adsorption photochemical catalysis rapidly and efficiently can be carried out to organic pollutant by soil-repairing agent and decomposed；Separately
On the one hand, due to joined activated sludge, microbial bacterial agent can go deep into the inside of soil, be conducive to the leaching of organic pollutant,
Improve the soil of organic contamination, while improving soil aggregate structure, eliminates hardened phenomenon；The use of overlay film isolation method is further dropped
Influence of the low organic pollutant to crops and human health；Bottom organic pollutant emersion can be effectively reduced in peritonaeum, make it solid
It is enclosed in bottom；The various methods synergistic effect of plantation, so that the restorative procedure of this organic polluted soil is able to achieve organic contamination
Safely, quickly, efficiently repairing for soil, is effectively reduced rehabilitation cost, reduces the generation of secondary pollution, and bottom sawdust powder can be
Microorganism in activated sludge provides suitable living environment, so that organic pollutant is effectively reduced, the plant carrot of plantation
Well developed root system is also beneficial to the existence of microorganism.
(3) restorative procedure of organic polluted soil provided by the invention, the organic polluted soil renovation agent used, each ingredient
Synergistic effect, so that it is good to the removal effect of organic pollutant, it is small to soil toxicity using safety and environmental protection, it can also improve
Soil fertility effectively removes organic pollutant in such a way that redox and photocatalysis combine；Ti-Ce-O's changes
Property, phosphor-containing structure can be introduced, to play the role of phosphate fertilizer, is conducive to improve soil soil property.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
Example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present application.
Embodiment 1
A kind of restorative procedure of organic polluted soil, includes the following steps:
Step S1: digging its 80cm for organic polluted soil with excavator, then spreads in the organic polluted soil bottom dug
If one layer of geomembrane, then one layer of sawdust powder is laid on geomembrane, sawdust powder is laid with until no gap；
Step S2: organic polluted soil renovation agent is uniformly mixed with organic polluted soil, turn over up and down, then will mix
Even soil is layered on sawdust powder surface, and spray water, keeping the humidity of contaminated soil is 15%；
Step S3: after a week, using step S2 it is processed suddenly in kind of 2m high willow seedling, willow seedling interval inner sleeve
Kind carrot；
After step S4:2 months, carrot is extracted, completes to repair.
The geomembrane is low density polyethylene (LDPE) geomembrane.
The organic polluted soil renovation agent, organic polluted soil mass ratio be 5:100.
The organic polluted soil renovation agent is made of each raw material of following parts by weight: 8 parts of Potassium Monopersulfate, tristearin
Sour 2 parts of ferrous iron (II), 10 parts of ferrous bisglycinate chelate amidation D- glucosaccharic acid, 10 parts of plant ash, 10 parts of peat, 5 parts of activated sludge,
Modified 1 part of Ti-Ce-O.
The preparation method of the ferrous bisglycinate chelate amidation D- glucosaccharic acid, includes the following steps: ferrous bisglycinate chelate
1kg, D- glucosaccharic acid 1.03kg are added in dimethyl sulfoxide 6kg, then dicyclohexylcarbodiimide 0.4kg, 4- are added thereto
Dimethylamino naphthyridine 0.3kg is stirred to react 18 hours at 75 DEG C, and back spin steams removing solvent, obtains ferrous bisglycinate chelate amide
Change D- glucosaccharic acid.
The preparation method of the modified Ti-Ce-O, includes the following steps:
Step D1: butyl titanate 100g, cerium chloride 100g are added in the beaker 2000g equipped with ethyl alcohol, and stirring 1 is small
When, after be transferred in the hydrothermal reaction kettle of polytetrafluoroethyllining lining, 190 DEG C react 20 hours；Reaction kettle is taken out, to reactant
It is successively respectively washed 3 times with deionized water and dehydrated alcohol respectively after system is cooling, finally dry 18 in 100 DEG C of vacuum oven
Hour, it is cooled to room temperature, grinds, sieve with 100 mesh sieve to obtain Ti-Ce-O；
Step D2: the Ti-Ce-O 100g being prepared by step D1 is added in ethyl alcohol 500g, then is added thereto
Enter methyl 3- (trimethoxy silane base) propylmethylposphonate 20g, is stirred to react at 60 DEG C 6 hours, afterwards finally at 100 DEG C
It dries in vacuum oven to constant weight.
The preparation method of the organic polluted soil renovation agent includes the following steps: Potassium Monopersulfate, stearic acid is sub-
Iron (II), ferrous bisglycinate chelate amidation D- glucosaccharic acid, plant ash, peat, activated sludge, modified Ti-Ce-O are done respectively
Dry processing makes its water content less than 1%；Carrying out pulverization process afterwards makes its partial size be less than 2mm；It mixes in proportion again, with 150rpm's
Rate stirs 250s.
Embodiment 2
A kind of restorative procedure of organic polluted soil, includes the following steps:
Step S1: digging its 85cm for organic polluted soil with excavator, then spreads in the organic polluted soil bottom dug
If one layer of geomembrane, then one layer of sawdust powder is laid on geomembrane, sawdust powder is laid with until no gap；
Step S2: organic polluted soil renovation agent is uniformly mixed with organic polluted soil, turn over up and down, then will mix
Even soil is layered on sawdust powder surface, and spray water, keeping the humidity of contaminated soil is 17%；
Step S3: after a week, using step S2 it is processed suddenly in kind of 2.3m high willow seedling, in willow seedling interval
Interplant carrot；
After step S4:2.5 months, carrot is extracted, completes to repair.
The geomembrane is high-density polyethylene geomembrane.
The organic polluted soil renovation agent, organic polluted soil mass ratio be 6.5:100.
The organic polluted soil renovation agent is made of each raw material of following parts by weight: 9 parts of Potassium Monopersulfate, tristearin
Sour 3 parts of ferrous iron (II), 12 parts of ferrous bisglycinate chelate amidation D- glucosaccharic acid, 11 parts of plant ash, 13 parts of peat, 6 parts of activated sludge,
Modified 2 parts of Ti-Ce-O.
The preparation method of the ferrous bisglycinate chelate amidation D- glucosaccharic acid, includes the following steps: ferrous bisglycinate chelate
1kg, D- glucosaccharic acid 1.03kg are added in n,N-Dimethylformamide 7.5kg, then two Asia of dicyclohexyl carbon is added thereto
Amine 0.45kg, 4-dimethylaminopyridine 0.3kg are stirred to react 19 hours at 78 DEG C, and back spin steams removing solvent, obtains sweet ammonia
Sour ferrous iron amidation D- glucosaccharic acid.
The preparation method of the modified Ti-Ce-O, includes the following steps:
Step D1: butyl titanate 100g, cerium chloride 100g are added in the beaker equipped with ethyl alcohol 2300g, stirring 1.3
Hour, after be transferred in the hydrothermal reaction kettle of polytetrafluoroethyllining lining, 195 DEG C react 22 hours；Reaction kettle is taken out, wait react
It is successively respectively washed 4 times with deionized water and dehydrated alcohol respectively after system is cooling, it is finally dry in 103 DEG C of vacuum oven
It 19 hours, is cooled to room temperature, grinds, cross 120 meshes and obtain Ti-Ce-O；
Step D2: the Ti-Ce-O 100g being prepared by step D1 is added in ethyl alcohol 700g, then is added thereto
Enter methyl 3- (trimethoxy silane base) propylmethylposphonate 20g, is stirred to react at 65 DEG C 6.5 hours, afterwards finally at 103 DEG C
Vacuum oven in dry to constant weight.
The preparation method of the organic polluted soil renovation agent includes the following steps: Potassium Monopersulfate, stearic acid is sub-
Iron (II), ferrous bisglycinate chelate amidation D- glucosaccharic acid, plant ash, peat, activated sludge, modified Ti-Ce-O are done respectively
Dry processing makes its water content less than 1%；Carrying out pulverization process afterwards makes its partial size be less than 2mm；It mixes in proportion again, with 170rpm's
Rate stirs 270s.
Embodiment 3
A kind of restorative procedure of organic polluted soil, includes the following steps:
Step S1: digging its 90cm for organic polluted soil with excavator, then spreads in the organic polluted soil bottom dug
If one layer of geomembrane, then one layer of sawdust powder is laid on geomembrane, sawdust powder is laid with until no gap；
Step S2: organic polluted soil renovation agent is uniformly mixed with organic polluted soil, turn over up and down, then will mix
Even soil is layered on sawdust powder surface, and spray water, keeping the humidity of contaminated soil is 18%；
Step S3: after a week, using step S2 it is processed suddenly in kind of 2.6m high willow seedling, in willow seedling interval
Interplant carrot；
After step S4:3 months, carrot is extracted, completes to repair.
The geomembrane is ethylene-vinyl acetate copolymer geomembrane.
The organic polluted soil renovation agent, organic polluted soil mass ratio be 7:100.
The organic polluted soil renovation agent is made of each raw material of following parts by weight: 10 parts of Potassium Monopersulfate, tristearin
Sour 3 parts of ferrous iron (II), 12 parts of ferrous bisglycinate chelate amidation D- glucosaccharic acid, 13 parts of plant ash, 15 parts of peat, 7 parts of activated sludge,
Modified 2 parts of Ti-Ce-O.
The preparation method of the ferrous bisglycinate chelate amidation D- glucosaccharic acid, includes the following steps: ferrous bisglycinate chelate
1kg, D- glucosaccharic acid 1.03kg are added in n,N-dimethylacetamide 8kg, then dicyclohexylcarbodiimide is added thereto
0.5kg, 4-dimethylaminopyridine 0.3kg are stirred to react 21 hours at 80 DEG C, and back spin steams removing solvent, obtains glycine
Ferrous amidation D- glucosaccharic acid.
The preparation method of the modified Ti-Ce-O, includes the following steps:
Step D1: butyl titanate 100g, cerium chloride 100g are added in the beaker equipped with ethyl alcohol 2600g, stirring 1.6
Hour, after be transferred in the hydrothermal reaction kettle of polytetrafluoroethyllining lining, 203 DEG C react 22 hours；Reaction kettle is taken out, wait react
It is successively respectively washed 4 times with deionized water and dehydrated alcohol respectively after system is cooling, it is finally dry in 106 DEG C of vacuum oven
It 20 hours, is cooled to room temperature, grinds, cross 150 meshes and obtain Ti-Ce-O；
Step D2: the Ti-Ce-O100g being prepared by step D1 is added in ethyl alcohol 800g, then is added thereto
Methyl 3- (trimethoxy silane base) propylmethylposphonate 20g, is stirred to react 7 hours at 70 DEG C, finally true at 106 DEG C afterwards
It dries in empty drying box to constant weight.
The preparation method of the organic polluted soil renovation agent includes the following steps: Potassium Monopersulfate, stearic acid is sub-
Iron (II), ferrous bisglycinate chelate amidation D- glucosaccharic acid, plant ash, peat, activated sludge, modified Ti-Ce-O are done respectively
Dry processing makes its water content less than 1%；Carrying out pulverization process afterwards makes its partial size be less than 2mm；It mixes in proportion again, with 180rpm's
Rate stirs 280s.
Embodiment 4
A kind of restorative procedure of organic polluted soil, includes the following steps:
Step S1: digging its 95cm for organic polluted soil with excavator, then spreads in the organic polluted soil bottom dug
If one layer of geomembrane, then one layer of sawdust powder is laid on geomembrane, sawdust powder is laid with until no gap；
Step S2: organic polluted soil renovation agent is uniformly mixed with organic polluted soil, turn over up and down, then will mix
Even soil is layered on sawdust powder surface, and spray water, keeping the humidity of contaminated soil is 19%；
Step S3: after a week, using step S2 it is processed suddenly in kind of 2.9m high willow seedling, in willow seedling interval
Interplant carrot；
After step S4:3.8 months, carrot is extracted, completes to repair.
The geomembrane is high-density polyethylene geomembrane.
The organic polluted soil renovation agent, organic polluted soil mass ratio be 9.5:100.
The organic polluted soil renovation agent is made of each raw material of following parts by weight: 11 parts of Potassium Monopersulfate, tristearin
Sour 4 parts of ferrous iron (II), 14 parts of ferrous bisglycinate chelate amidation D- glucosaccharic acid, 14 parts of plant ash, 19 parts of peat, 9 parts of activated sludge,
Modified 3 parts of Ti-Ce-O.
The preparation method of the ferrous bisglycinate chelate amidation D- glucosaccharic acid, includes the following steps: ferrous bisglycinate chelate
1kg, D- glucosaccharic acid 1.03kg are added in high boiling solvent 9kg, then thereto be added dicyclohexylcarbodiimide 0.58kg,
4-dimethylaminopyridine 0.3kg is stirred to react 23 hours at 83 DEG C, and back spin steams removing solvent, obtains ferrous bisglycinate chelate acyl
Amination D- glucosaccharic acid；The high boiling solvent is dimethyl sulfoxide, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide by matter
Measure the mixture mixed than 1:3:2.
The preparation method of the modified Ti-Ce-O, includes the following steps:
Step D1: butyl titanate 100g, cerium chloride 100g are added in the beaker equipped with ethyl alcohol 2900g, stirring 1.9
Hour, after be transferred in the hydrothermal reaction kettle of polytetrafluoroethyllining lining, 207 DEG C react 23 hours；Reaction kettle is taken out, wait react
It is successively respectively washed 5 times with deionized water and dehydrated alcohol respectively after system is cooling, it is finally dry in 108 DEG C of vacuum oven
It 21 hours, is cooled to room temperature, grinds, cross 190 meshes and obtain Ti-Ce-O；
Step D2: the Ti-Ce-O 100g being prepared by step D1 is added in alcohol 95 0g, then is added thereto
Enter methyl 3- (trimethoxy silane base) propylmethylposphonate 20g, is stirred to react at 75 DEG C 7.8 hours, afterwards finally at 109 DEG C
Vacuum oven in dry to constant weight.
The preparation method of the organic polluted soil renovation agent includes the following steps: Potassium Monopersulfate, stearic acid is sub-
Iron (II), ferrous bisglycinate chelate amidation D- glucosaccharic acid, plant ash, peat, activated sludge, modified Ti-Ce-O are done respectively
Dry processing makes its water content less than 1%；Carrying out pulverization process afterwards makes its partial size be less than 2mm；It mixes in proportion again, with 195rpm's
Rate stirs 290s.
Embodiment 5
A kind of restorative procedure of organic polluted soil, includes the following steps:
Step S1: digging its 100cm for organic polluted soil with excavator, then spreads in the organic polluted soil bottom dug
If one layer of geomembrane, then one layer of sawdust powder is laid on geomembrane, sawdust powder is laid with until no gap；
Step S2: organic polluted soil renovation agent is uniformly mixed with organic polluted soil, turn over up and down, then will mix
Even soil is layered on sawdust powder surface, and spray water, keeping the humidity of contaminated soil is 20%；
Step S3: after a week, using step S2 it is processed suddenly in kind of 3m high willow seedling, willow seedling interval inner sleeve
Kind carrot；
After step S4:4 months, carrot is extracted, completes to repair.
The geomembrane is ethylene-vinyl acetate copolymer geomembrane.
The organic polluted soil renovation agent, organic polluted soil mass ratio be 10:100.
The organic polluted soil renovation agent is made of each raw material of following parts by weight: 12 parts of Potassium Monopersulfate, tristearin
Sour 5 parts of ferrous iron (II), 15 parts of ferrous bisglycinate chelate amidation D- glucosaccharic acid, 15 parts of plant ash, 20 parts of peat, activated sludge 10
Part, modified 4 parts of Ti-Ce-O.
The preparation method of the ferrous bisglycinate chelate amidation D- glucosaccharic acid, includes the following steps: ferrous bisglycinate chelate
1kg, D- glucosaccharic acid 1.03kg are added in dimethyl sulfoxide 10kg, then dicyclohexylcarbodiimide 0.6kg, 4- are added thereto
Dimethylamino naphthyridine 0.3kg is stirred to react 24 hours at 85 DEG C, and back spin steams removing solvent, obtains ferrous bisglycinate chelate amide
Change D- glucosaccharic acid.
The preparation method of the modified Ti-Ce-O, includes the following steps:
Step D1: butyl titanate 100g, cerium chloride 100g are added in the beaker equipped with ethyl alcohol 3000g, and stirring 2 is small
When, after be transferred in the hydrothermal reaction kettle of polytetrafluoroethyllining lining, 210 DEG C react 24 hours；Reaction kettle is taken out, to reactant
It is successively respectively washed 5 times with deionized water and dehydrated alcohol respectively after system is cooling, finally dry 22 in 110 DEG C of vacuum oven
Hour, it is cooled to room temperature, grinds, cross 200 meshes and obtain Ti-Ce-O；
Step D2: the Ti-Ce-O 100g being prepared by step D1 is added in ethyl alcohol 1000g, then is added thereto
Enter methyl 3- (trimethoxy silane base) propylmethylposphonate 20g, is stirred to react at 80 DEG C 8 hours, afterwards finally at 110 DEG C
It dries in vacuum oven to constant weight.
The preparation method of the organic polluted soil renovation agent includes the following steps: Potassium Monopersulfate, stearic acid is sub-
Iron (II), ferrous bisglycinate chelate amidation D- glucosaccharic acid, plant ash, peat, activated sludge, modified Ti-Ce-O are done respectively
Dry processing makes its water content less than 1%；Carrying out pulverization process afterwards makes its partial size be less than 2mm；It mixes in proportion again, with 200rpm's
Rate stirs 300s.
Comparative example 1
A kind of restorative procedure of organic polluted soil is implemented according to 201810707884.2 embodiment 1 of Chinese invention patent.
Comparative example 2
A kind of restorative procedure of organic polluted soil is implemented according to embodiment 1, the difference is that using the type of renovation agent not
Together.The organic polluted soil renovation agent is made of each raw material of following parts by weight: 2 parts of stearic acid ferrous iron (II), glycine are sub-
10 parts of iron amidation D- glucosaccharic acid, 10 parts of plant ash, 10 parts of peat, 5 parts of activated sludge, modified 1 part of Ti-Ce-O.
Comparative example 3
A kind of restorative procedure of organic polluted soil is implemented according to embodiment 1, the difference is that using the type of renovation agent not
Together.The organic polluted soil renovation agent is made of each raw material of following parts by weight: 8 parts of Potassium Monopersulfate, stearic acid are ferrous
(II) 2 parts, 10 parts of plant ash, 10 parts of peat, 5 parts of activated sludge, modified 1 part of Ti-Ce-O.
Comparative example 4
A kind of restorative procedure of organic polluted soil is implemented according to embodiment 1, the difference is that using the type of renovation agent not
Together.The organic polluted soil renovation agent is made of each raw material of following parts by weight: 8 parts of Potassium Monopersulfate, ferrous bisglycinate chelate
10 parts of amidation D- glucosaccharic acid, 10 parts of plant ash, 10 parts of peat, 5 parts of activated sludge, modified 1 part of Ti-Ce-O.
Comparative example 5
A kind of restorative procedure of organic polluted soil is implemented according to embodiment 1, the difference is that using the type of renovation agent not
Together.The organic polluted soil renovation agent is made of each raw material of following parts by weight: 8 parts of Potassium Monopersulfate, stearic acid are ferrous
(II) 2 parts, 10 parts of ferrous bisglycinate chelate amidation D- glucosaccharic acid, 10 parts of plant ash, 10 parts of peat, 5 parts of activated sludge.
Meanwhile in order to assess the particular technique effect of the restorative procedure of organic polluted soil of the present invention, take identical
Soil to be repaired, sampling chemical examination detection, then the method being respectively adopted in the various embodiments described above and comparative example carry out soil remediation, repair
After 30 days multiple, chemical examination detection is sampled to each soil again, then calculates the removal rate of each organic pollutant, testing result is shown in
Shown in table 1.
Table 1
As it can be seen from table 1 the restorative procedure of organic polluted soil provided in an embodiment of the present invention is compared with repairing in comparative example
More preferably, this is the result of each ingredient synergistic effect of soil-repairing agent to compound method repairing effect.
Although depicting the application by embodiment, it will be appreciated by the skilled addressee that the application there are many deformation and
Variation is without departing from spirit herein, it is desirable to which the attached claims include these deformations and change without departing from the application's
Spirit.
Claims (10)
1. a kind of restorative procedure of organic polluted soil, which comprises the steps of:
Step S1: digging its 80-100cm for organic polluted soil with excavator, then spreads in the organic polluted soil bottom dug
If one layer of geomembrane, then one layer of sawdust powder is laid on geomembrane, sawdust powder is laid with until no gap；
Step S2: organic polluted soil renovation agent is uniformly mixed with organic polluted soil, turns over up and down, then will mix thoroughly
Soil is layered on sawdust powder surface, and spray water, keeping the humidity of contaminated soil is 15-20%；
Step S3: after a week, using step S2 it is processed suddenly in kind of 2-3m high willow seedling, interplanting in willow seedling interval
Carrot；
After step S4:2-4 months, carrot is extracted, completes to repair.
2. a kind of restorative procedure of organic polluted soil as described in claim 1, which is characterized in that the geomembrane is low close
Spend one of polyethylene film for earthwork, high-density polyethylene geomembrane, ethylene-vinyl acetate copolymer geomembrane.
3. a kind of restorative procedure of organic polluted soil as described in claim 1, which is characterized in that the organic polluted soil
Renovation agent, organic polluted soil mass ratio be (5-10): 100.
4. a kind of restorative procedure of organic polluted soil as described in claim 1, which is characterized in that the organic polluted soil
Renovation agent is made of each raw material of following parts by weight: 2-5 parts of 8-12 parts of Potassium Monopersulfate, stearic acid ferrous (II), sweet ammonia
Sour 10-15 parts of ferrous iron amidation D- glucosaccharic acid, 10-20 parts of peat, 5-10 parts of activated sludge, is modified 10-15 parts of plant ash
1-4 parts of Ti-Ce-O.
5. a kind of restorative procedure of organic polluted soil as claimed in claim 4, which is characterized in that the ferrous bisglycinate chelate acyl
The preparation method of amination D- glucosaccharic acid includes the following steps: ferrous bisglycinate chelate, D- glucosaccharic acid being added to high boiling solvent
In, then dicyclohexylcarbodiimide, 4-dimethylaminopyridine are added thereto, it is stirred to react at 75-85 DEG C 18-24 hours,
Back spin steams removing solvent, obtains ferrous bisglycinate chelate amidation D- glucosaccharic acid.
6. a kind of restorative procedure of organic polluted soil as claimed in claim 5, which is characterized in that the ferrous bisglycinate chelate,
D- glucosaccharic acid, high boiling solvent, dicyclohexylcarbodiimide, 4-dimethylaminopyridine mass ratio be 1:1.03:(6-10):
(0.4-0.6):0.3。
7. a kind of restorative procedure of organic polluted soil as claimed in claim 5, which is characterized in that the high boiling solvent choosing
From one or more of dimethyl sulfoxide, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide.
8. a kind of restorative procedure of organic polluted soil as claimed in claim 4, which is characterized in that the modified Ti-Ce-O
Preparation method, include the following steps:
Step D1: butyl titanate, cerium chloride are added in the beaker equipped with ethyl alcohol, stir 1-2 hours, after be transferred to poly- four
In the hydrothermal reaction kettle of vinyl fluoride liner, 190-210 DEG C reaction 20-24 hours；Reaction kettle is taken out, after reaction system is cooling
It is successively respectively washed 3-5 times with deionized water and dehydrated alcohol respectively, finally the dry 18- in 100-110 DEG C of vacuum oven
It 22 hours, is cooled to room temperature, grinds, cross 100-200 mesh and obtain Ti-Ce-O；
Step D2: the Ti-Ce-O being prepared by step D1 is added in ethyl alcohol, then methyl 3- (front three is added thereto
Oxysilane base) propylmethylposphonate, it is stirred to react at 60-80 DEG C 6-8 hours, the vacuum finally at 100-110 DEG C is dry afterwards
It dries in dry case to constant weight.
9. a kind of restorative procedure of organic polluted soil as claimed in claim 8, which is characterized in that metatitanic acid described in step D1
Four butyl esters, cerium chloride, ethyl alcohol mass ratio be 1:1:(20-30)；Ti-Ce-O described in step D2, ethyl alcohol, methyl 3- (front three
Oxysilane base) propylmethylposphonate mass ratio be 1:(5-10): 0.2.
10. such as a kind of described in any item restorative procedures of organic polluted soil of claim 4-9, which is characterized in that described to have
The preparation method of machine contaminated soil remediation agent includes the following steps: Potassium Monopersulfate, stearic acid ferrous iron (II), glycine
Ferrous amidation D- glucosaccharic acid, plant ash, peat, activated sludge, modified Ti-Ce-O is dried respectively contains it
Water is less than 1%；Carrying out pulverization process afterwards makes its partial size be less than 2mm；It mixes, is stirred with the rate of 150-200rpm in proportion again
250-300s。
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