CN106001103A - Ecological restoration method for soil in chemical industrial area - Google Patents
Ecological restoration method for soil in chemical industrial area Download PDFInfo
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- CN106001103A CN106001103A CN201610485156.2A CN201610485156A CN106001103A CN 106001103 A CN106001103 A CN 106001103A CN 201610485156 A CN201610485156 A CN 201610485156A CN 106001103 A CN106001103 A CN 106001103A
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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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- 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
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
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Abstract
The invention provides an ecological restoration method for soil in a chemical industrial area. The ecological restoration method includes the following steps that pollution indexes of the soil in the chemical industrial area are detected; deep ploughing is conducted, clay not smaller than 30 cm under the ground surface is turned up, and the soil is loosened and watered to be wet; a compound microorganism bacterium agent is thrown into the soil with the dosage ranging from 30 ppm/m<2> to 50 ppm/m<2>; terrestrial invertebrates are thrown into the soil; plants are planted on the soil; the pollution indexes of the soil in the chemical industrial area are detected; and the above steps are repeated every other 30 days to 60 days till the quality of the soil meets the requirements. By means of the ecological restoration method for the soil in the chemical industrial area, biological diversity of the soil is restored, the quality of the soil is improved fundamentally, the self-purification capability of the soil is restored fundamentally, and the pollution phenomenon is effectively eliminated. The method is used for strengthening the self-restoring capability and the self-cleaning capability of the nature, and meanwhile the ecological restoration method has the beneficial effects that the running cost is low, and the pollution treatment effect is good.
Description
Technical field
The present invention relates to a kind of ecological restoring method being applied to field of Environment Protection, the ecology of a kind of Craft in Chemical Industrial Area soil
Restorative procedure.
Background technology
Along with the accelerated development of China's economy, the demand of chemical products is got more and more by the mankind, and chemical plant is also each in the whole nation
The Chemical Industry Park on ground is offered in a large number.While bringing economic benefit, chemical plant produces substantial amounts of pollutant, some pollutant
Such as polycyclic aromatic hydrocarbons more than heavy metal cadmium, lead, acrylonitrile, dicyclo and three rings, not through processing the most directly discharge, these pollute
Thing penetrates in soil, kills the microorganism in soil, changes soil constituent, changes earth's surface ecological, causes surrounding zone, chemical plant
The soil pollution that territory is serious, even not even a blade of grass grows in contaminated region.
Cure of Soil pollution derives from inorganic pollution and organic pollution.Improvement side for contaminated Craft in Chemical Industrial Area soil
Method, substantially can be attributed to Physical, chemical method and bioanalysis, and physical method uses displacement soil moved in improve the original, pressure sand, these only as
Easy supplementary means, it is impossible to tackle the problem at its root, and expend a large amount of manpower and materials, have little effect.Chemical method, as
Add soil to loosen the soil the multiple soil improvement products such as agent, deacidification alkaline agent, fertilizer synergist, but easily cause secondary pollution;Biological method,
Such as applying organic manure material, planting plants, but owing to not improveing soil, plant survival rate is low, and effect is the most notable.
Although prior art can obtain certain effect for the processing method of Craft in Chemical Industrial Area soil, but due to Craft in Chemical Industrial Area
The ecosystem of soil has suffered to destroy, and lacks bio-diversity, and the impact of Craft in Chemical Industrial Area soil system environment to external world lacks
Weary buffered ability, therefore the treatment effect of Craft in Chemical Industrial Area soil is difficult to maintain, and is also not reaching to repair Craft in Chemical Industrial Area soil completely
The purpose of earth.
Summary of the invention
For solving the governing problem of contaminated Craft in Chemical Industrial Area soil, the ecology that the invention provides a kind of Craft in Chemical Industrial Area soil is repaiied
Compound recipe method, makes soil restoration bio-diversity, fundamentally improves soil soil property and recovers soil self purification activity, effectively eliminating
Contamination phenomenon.This method is to nature self-recovery ability, a kind of strengthening of self-purification capacity, the most also has operating cost
Low, construction costs is low and the significant advantage of pollution treatment effect.
For achieving the above object, the present invention provides following technical scheme:
The ecological restoring method of a kind of Craft in Chemical Industrial Area soil, comprises the following steps:
(1) contamination index of detection Craft in Chemical Industrial Area soil;
(2) deep ploughing, digs the earth being no less than 30cm below earth's surface, chesson, waters and drench;
(3) by 30 ~ 50ppm/m2Consumption complex micro organism fungicide is rendered in soil;
(4) terrestrial invertebrates is thrown in soil;
(5) grown on soil plant;
(6) contamination index of detection Craft in Chemical Industrial Area soil;
(7) 30 ~ 60 days, interval, repeat (2) ~ (6) step, until soil soil property meets the requirements;
Described complex micro organism fungicide, it is characterised in that include substrate, photosynthetic bacteria, Nocardia farcinica, Corallium Japonicum Kishinouye promise Ka Shi
Bacterium, citrobacter freundii, lactic acid bacteria, bacillus subtilis, Bacillus licheniformis, Rhodopseudomonas palustris, nitrifier and life
Thing enzyme preparation;
Described terrestrial invertebrates include Lumbricus, Formica fusca, Scolopendra at least one.
Described plant include Indian mustard, Maninot esculenta crantz., Caulis Seu Folium Lespedezae Bicoloris, Rhizoma Dioscoreae esculentae, sesbania, melilotus at least one.
Described complex micro organism fungicide, the most composed of the following components:
Substrate 30 ~ 70,
Photosynthetic bacteria 10-50,
Nocardia farcinica 20 ~ 40,
Norcardia corailina 10 ~ 30,
Citrobacter freundii 10 ~ 50,
Lactic acid bacteria 5 ~ 30,
Bacillus subtilis 10 ~ 20,
Bacillus licheniformis 5 ~ 20,
Rhodopseudomonas palustris 8 ~ 30,
Nitrifier 20 ~ 30,
Biological enzyme formulation 20 ~ 60.
Described substrate be plant ash, kieselguhr, sodium alginate at least one.
Described biological enzyme formulation is the mixture of acid protease, amylase and cellulase.
Described biological enzyme formulation, the most composed of the following components:
Acid protease 20 ~ 60,
Amylase 10 ~ 20,
Cellulase 10 ~ 30.
The contamination index of detection Craft in Chemical Industrial Area of the present invention soil is to contain with benzo [α] pyrene content, acrylonitrile content, copper
Amount, lead content and cadmium content are for predominantly detecting index, and benzo [α] pyrene content uses reversed phase high-performance liquid chromatography to be measured,
The detection of copper content, lead content and cadmium content uses the Flame Atomic Absorption Spectrometry of " standard of soil environment quality GB 15618-1995 "
Spectrophotometry and graphite furnace atomic absorption spectrometry method are measured, and acrylonitrile uses electrochemical principle third
Alkene nitrile detector detects.
Deep ploughing of the present invention, have dig, loosen the soil, mixed soil, the effect of hack, will be no less than 30cm's below earth's surface
Earth is dug, chesson, thickeies topsoil, improves the water of soil, air and heat situation, water afterwards and drench soil, to terrestrial without ridge
An eucyclic microecosystem is built in the growth of Vertebrate and plant, also plays a role offer for complex micro organism fungicide
Suitable soil moisture conditions.
Described terrestrial invertebrates include Lumbricus, Formica fusca, Scolopendra at least one.Described Lumbricus is common one
Kind of terrestrial annelid, lives in soil, hides by day and comes out at night, with feces of livestock and poultry and debirs rubbish for food, together with earth one
With swallowing, the also fragment such as the stem and leaf of feeding plant.Lumbricus can make loosing soil, improves soil, and organic matter the most therein is permissible
As their foodstuff, and mineralogical composition is also changed by mechanical lapping and the biological chemistry action of various digestive enzyme,
And then optimize the physicochemical property of soil.
Described Formica fusca is the Formica fusca that nature is common, refers in particular to black ant.Formica fusca the most all can be nested in underground, Formica fusca
Nest has good draining, venting practice.Research shows, Formica fusca is nested to improving soil physico-chemical property, improving soil water-retaining
The aspect such as ability, tackling quicksand has important effect, and the growth for plant particularly seedling creates excellent condition, raising
The germination rate of seed and seedling percent.Compared with adjacent soil, the pH value of Formica fusca nest soil changes, Formica fusca nest
Organic matter, nitrogen, phosphorus, potassium content raise, and enrichment phenomenon also occur in potassium, sodium, calcium, magnesium plasma.Formica fusca is absorbing what oneself needed
While nutrient, constantly will eat surplus food and Excreta uric acid and feces is abandoned in soil, Formica fusca removes simultaneously
The food animal corpse of fortune and aphid honeydew etc. are enriched with in ant cave, and ultimately resulting in the content of organic matter increases, and directly increases
The content of N P and K.
Described plant include Indian mustard, Maninot esculenta crantz., Caulis Seu Folium Lespedezae Bicoloris, Rhizoma Dioscoreae esculentae, sesbania, melilotus at least one.Described print
Caulis et Folium Brassicae junceae is a kind of high yield, grows fast amphidiploid crucifer degree.Plant introduction, India is repaired as plant soil
Caulis et Folium Brassicae junceae has super enrichment to specific metal, all has the various heavy such as Cd, Cr, Ni, Zn, Cu, Au, Se, Pb
Higher accumulation ability, the especially enrichment to Cd are the most obvious.
Described Caulis Seu Folium Lespedezae Bicoloris is leguminous plant, has drought-enduring, cold-resistant, barren-resistant, the characteristic of acid resistance, Salt And Alkali Tolerance, to soil
Earth strong adaptability, can also grow on barren new clearage, have the strongest vitality.Caulis Seu Folium Lespedezae Bicoloris is owing to branch and leaf are luxuriant and root
System's prosperity, can conserve water and soil effectively, reduces rainwash and improves ground earth structure.
Substrate in complex micro organism fungicide of the present invention, for plant ash, kieselguhr, at least the one of sodium alginate
Kind, provide carrier for strain and enzyme.Described plant ash be draft and xylophyta burning after residual ash material, so
It is the mineral element contained by all plants, plant ash nearly all contains, therefore be good fertilizer, be also good complex microorganism
Substrate in microbial inoculum.Plant ash contains potassium, phosphorus, calcium, magnesium, silicon, sulfur, possibly together with trace element such as ferrum, manganese, copper, zinc, boron, molybdenums.Grass
What wood ash content was most is potassium element, wherein 90% is above water solublity, exists with carbonate form;Next to that phosphorus, typically contain
1.5-3%。
The described photosynthetic bacteria in complex micro organism fungicide, belongs to autotrophy microorganism, and photosynthetic bacteria is to accept light
Being energy with heat, with Organic substance or harmful gas as substrate, the nitrogen-containing compound such as synthesizing amino acid, nucleic acid and saccharide etc. are multiple
Biological active substances.The metabolite of photosynthetic bacteria becomes the substrate of other microbial reproductions a bit, therefore can be for answering in the present invention
Other antibacterials closing microbial bacterial agent provide nutrition.
Nocardia farcinica in complex micro organism fungicide of the present invention, belongs to the one of promise cassette Cordycepps, extensively
It is present in nature.Inventor finds, is attached in the substrate of the present invention by Nocardia farcinica, coordinates enzyme, it is possible to
Work in coordination with other mushrooms in described microbial bacterial agent and play a role, especially the fragrant type organic matter bleachinged and dyeing in garbage is being had
The strongest degradation capability.Additionally, when the pH scope of soil is 3.8 ~ 4, the Nocardia farcinica of complex micro organism fungicide can be sent out
Wave the activity of the degradation of contaminant of maximum.
The described Norcardia corailina in complex micro organism fungicide, falls within the one of promise cassette Cordycepps.Nocard's bacillus
The speed degrading the acrylonitrile in acrylon garbage is fast, effective.Norcardia corailina can produce acrylonitrile water after induction
Solve enzyme system, make acrylonitrile hydrolysis become acrylamide and ammonia, then proceed to hydrolyze to form acrylic acid, finally release CO2And water.Corallium Japonicum Kishinouye
Nocard's bacillus is very strong to acrylonitrile degradation capability, eliminates 250 mg acrylonitrile in 25 minutes.Present invention utilizes Corallium Japonicum Kishinouye
This feature nocardial, and Norcardia corailina and other mushrooms are made complex micro organism fungicide, apply to generation and contain
There is the improvement of the chemical plant soil of acrylonitrile.
The described citrobacter freundii in complex micro organism fungicide, aerobic or amphimicrobian, it is distributed widely in nature
In boundary, belonging to sulfate reducting bacteria, there are some researches show, citrobacter freundii, by being attached on copper alloy surface, adsorbs into
Film, and it is gradually increased biological membranous layer, progressively corrode copper alloy, be finally reached the effect of degraded.
Lactic acid bacteria in complex micro organism fungicide of the present invention, is that a class can utilize fermentable carbohydrate to produce
The antibacterial of a large amount of lactic acid.This bacterioid is extremely wide in distributed in nature, has abundant species diversity.Lactic acid bacteria has the strongest
Bacteriostasis, particularly suppression harmful microbe breeding and organic drastically corrupt decompose.In the present invention, lactic acid
Bacterium also plays the local acidic micro-environment that Degradation provides pH scope to be 3.8 ~ 4, collaborative performance pollution treatment for Nocardia farcinica
Effect.
The described bacillus subtilis in complex micro organism fungicide, is the one of bacillus, is widely distributed in soil
In the Organic substance of earth and corruption, in growth course, the subtilin of generation, polymyxin, nystatin, Gramicidin etc. are lived
Property material, these active substances have obvious inhibitory action to the conditioned pathogen of pathogenic bacterium or autogenous infection.Hay spore
Bacillus produces the organic acids such as lactic acid, reduces local microenvironment pH value, indirectly suppresses the growth of other pathogenic bacterium.Bacillus subtilis
Thalline self the synthesis enzyme such as α-amylase, protease, lipase, cellulase, in local microenvironment and complex microorganism
The biological enzyme of microbial inoculum together plays a role.
Polychlorinated biphenyls (PCB) in the soil of Craft in Chemical Industrial Area is the macromole poisonous substance of a kind of very difficult decomposition, easily by food chain
And be enriched with.Only minority microorganism such as Rhodopseudomonas and achromobacter ability.It is a discovery of the invention that present invention offer is compound
Bacillus subtilis, Bacillus licheniformis, Rhodopseudomonas palustris and nitrifier synergism in microbial bacterial agent, makes many chlorine
Biphenyl, after dechlorination and open loop, forms benzoic acid and phenylpyruvic acid, progressively decomposes.Meanwhile, above-mentioned composite microbial bacteria
Agent can be degraded some multiring aromatic hydrocarbon carcinogen, such as anthracene and luxuriant and rich with fragrance etc..
Biological enzyme formulation of the present invention, including acid protease, amylase and cellulase.The enzyme of the present invention
Preparation has played important function in soil sanitation, can not only decompose the macromolecular compound in soil, makes macromole become little point
Son, makes the material of indissoluble become readily soluble, moreover it is possible to activates the indigenous microorganism in soil earth, adjusts certain at short notice slightly
Biological adaptability, reaches orientation domestication.The more important thing is, the enzyme in biological enzyme formulation is worked in coordination with strain and is formed an optimum office
Portion's microenvironment, in transfer, converts and played an important role on degradation of contaminant.
The present invention compared with prior art, has techniques below advantage and a beneficial effect:
(1) in the present invention, by strain and the enzyme of complex micro organism fungicide, collaborative plant and terrestrial invertebrates are carried out
Craft in Chemical Industrial Area soil ecology is repaired, and makes Soil Biodiversity, reaches strengthen the self-purification capacity of soil and strengthen soil material circulation
Technique effect.The present invention provides nutrition with photosynthetic bacteria, red in lactic acid bacteria, bacillus subtilis, Bacillus licheniformis, marsh
Pseudomonas and nitrifier while playing Degradation, in soil is collaborative acid protease, amylase, cellulase and
Lipase forms an optimum local acidic micro-environment, for Nocardia farcinica, Norcardia corailina and Freund citric acid bar
Bacterium degradation of organic substances, degraded metal alloy provide help, reach to administer big synergism and the effect of soil pollution.
(2) after to contaminant degradation, the pollutant in soil just decrease, and efficiently solve the inorganic pollution of soil
Thing and the pollution problem of organic pollution, soil property is improved, and is also that bar is created in the existence of terrestrial invertebrates and plant
Part, has recovered bio-diversity.Luxuriant growth, verdant, open top layer earth, hence it is evident that visible Lumbricus, nematicide etc. are autochthonal dynamic
Thing.
(3) Lumbricus, Formica fusca, Indian mustard and Caulis Seu Folium Lespedezae Bicoloris are introduced soil property restoration of the ecosystem by the present invention, can effectively keep
Water and soil, reduces rainwash and improves ground earth structure, increasing soil property nutrition path for transformation, regulation and control and growth of microorganism speed, carry
High soil property clean-up effect, is greatly improved the effect of soil property restoration of the ecosystem.
(4) ecological restoring method of the Craft in Chemical Industrial Area soil that the present invention provides, is to nature self-recovery ability, from net energy
A kind of strengthening of power, the most also has that operating cost is low, construction costs is low and the advantage of pollution treatment effect.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described, but does not limit the scope of the present invention.
Unless otherwise indicated, raw material used or reagent are commercially for the present invention.Microbial inoculum major part is given birth to by Yangzhou Haicheng
Thing Technology Co., Ltd., De Feng Bioisystech Co., Ltd and Duo Yuduo bio tech ltd, Guangzhou buy.The present invention examines
The contamination index surveying Craft in Chemical Industrial Area soil is based on benzo [α] pyrene content, acrylonitrile content, arsenic content, lead content and cadmium content
Wanting Testing index, benzo [α] pyrene content uses reversed phase high-performance liquid chromatography to be measured, arsenic content, lead content and cadmium content
Detection use " standard of soil environment quality GB 15618-1995 " atomic absorption spectrophotometry measure and graphite furnace
A.S. Methods is measured, and acrylonitrile uses electrochemical principle acrylonitrile detector to detect.
Embodiment 1: the soil ecology reparation of Craft in Chemical Industrial Area, Daya Gulf economic development zone, Guangdong Huizhou city
Craft in Chemical Industrial Area, Daya Gulf economic development zone petrochemical enterprise stands in great numbers, including oil plant, chemical fibre factory, chemical plant etc. more than 30
Family, its garbage complicated component produced, some enterprise through processing just discharge completely, for a long time, does not causes periphery
The pollution of Craft in Chemical Industrial Area soil.Especially some industrial wastewaters penetrate into soil, and the pollution level causing soil is the highest, and soil is black dull,
There is abnormal flavour.After testing, the contamination index of soil is as follows: benzo [α] pyrene content is 145.21mg/kg, acrylonitrile content
122.48mg/kg, copper content 115.60mg/kg, lead content 109.74mg/kg and cadmium content 2.56mg/kg.
The present embodiment uses the ecological restoring method of a kind of Craft in Chemical Industrial Area soil of the present invention, comprises the following steps:
(1) contamination index of detection Craft in Chemical Industrial Area soil;
(2) deep ploughing, digs the earth of 30cm below earth's surface, chesson, waters and drench;
(3) 50ppm/m is pressed2Consumption complex micro organism fungicide is rendered in soil;
(4) terrestrial invertebrates is thrown in soil;
(5) grown on soil plant;
(6) contamination index of detection Craft in Chemical Industrial Area soil;
(7) 30 days, interval, repeat (2) ~ (6) step, until soil soil property meets the requirements;
Described complex micro organism fungicide, it is characterised in that include substrate, photosynthetic bacteria, Nocardia farcinica, Corallium Japonicum Kishinouye promise Ka Shi
Bacterium, citrobacter freundii, lactic acid bacteria, bacillus subtilis, Bacillus licheniformis, Rhodopseudomonas palustris, nitrifier and life
Thing enzyme preparation;
Described terrestrial invertebrates include Lumbricus and Formica fusca, described plant include Indian mustard, Maninot esculenta crantz., Caulis Seu Folium Lespedezae Bicoloris, Rhizoma Dioscoreae esculentae,
Sesbania and melilotus.
Described complex micro organism fungicide, the most composed of the following components:
Plant ash 40,
Kieselguhr 35,
Photosynthetic bacteria 50,
Nocardia farcinica 40,
Norcardia corailina 30,
Citrobacter freundii 40,
Lactic acid bacteria 30,
Bacillus subtilis 15,
Bacillus licheniformis 20,
Rhodopseudomonas palustris 20,
Nitrifier 20,
Biological enzyme formulation 60.
Described biological enzyme formulation, the most composed of the following components:
Acid protease 40,
Amylase 15,
Cellulase 20.
In the present embodiment, there is the plant Indian mustard of powerful vitality, Maninot esculenta crantz., Caulis Seu Folium Lespedezae Bicoloris, Rhizoma Dioscoreae esculentae, sesbania and grass
Sweet-scented osmanthus first grows, and microbial inoculum and enzyme work in coordination with plant and terrestrial invertebrates carries out soil soil property restoration of the ecosystem afterwards, make
Soil property bio-diversity, reaches strengthen the self-purification capacity of soil soil property and strengthen the technique effect of soil earthen matter circulation.
Lactic acid bacteria, bacillus subtilis, Bacillus licheniformis, Rhodopseudomonas palustris and nitrifier in the present embodiment exist
While playing Degradation, in soil, collaborative acid protease, amylase, cellulase and lipase formation one are optimum
Local acidic micro-environment, for Nocardia farcinica, Norcardia corailina and citrobacter freundii degradation of organic substances, degraded gold
Belong to alloy and provide help.
Microbial inoculum is after to contaminant degradation, and the pollutant in soil property decrease, and efficiently solves soil property by inorganic pollution
The problem that thing and organic pollution pollute, the heavy metal of soil property gradually decreases, and soil property is improved, again for terrestrial animal with plant
The existence of thing creates conditions.
Formica fusca is also introduced soil property Ecological Restoration Project by the present embodiment, uses the method throwing in Formica fusca to make it build in underground
Nest, improves soil physico-chemical property, improves the aspect such as retention capacity of soil, tackling quicksand and have important effect, special for plant
It not that the growth of seedling creates excellent condition, the germination rate of the seed of raising and seedling percent, reach bio-diversity
Purpose.Afterwards, the biological population in soil soil property starts prosperity, soil restoration bio-diversity.Raw to Craft in Chemical Industrial Area soil
After state is repaired 60,120 and 180 days, the contamination index of detection soil soil property, result is as follows:
Table 1 embodiment 1 soil property restoration of the ecosystem result
As shown in Table 1, after the soil property of Craft in Chemical Industrial Area soil gets involved along with the ecological restoring method of the present invention, several contamination indexs benzene
And the testing result of [α] pyrene content, acrylonitrile content, arsenic content, lead content and cadmium content progressively declines, especially benzo [α]
Pyrene content detection result, the 1.45mg/kg after 105.21mg/kg drops to 180 days, effect is notable.Testing index all meets
The soil environment quality primary standard of China.Repairing after 240 days, checking repairing effect, luxuriant growth, verdant, open
Top layer earth, hence it is evident that the aboriginals such as visible Lumbricus, nematicide.This shows, the method for the present invention can fundamentally repair ecology,
Nature self-recovery ability, self-purification capacity are strengthened, the most also has that operating cost is low, construction costs is low and pollution treatment effect
Fruit significantly advantage.
Being more than the wherein specific implementation of the present invention, it describes more concrete and detailed, but can not therefore manage
Solve as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from
On the premise of present inventive concept, it is also possible to make some deformation and improvement, these obvious alternative forms belong to this
Bright protection domain.
Claims (6)
1. an ecological restoring method for Craft in Chemical Industrial Area soil, comprises the following steps:
(1) contamination index of detection Craft in Chemical Industrial Area soil;
(2) deep ploughing, digs the earth being no less than 30cm below earth's surface, chesson, waters and drench;
(3) by 30 ~ 50ppm/m2Consumption complex micro organism fungicide is rendered in soil;
(4) terrestrial invertebrates is thrown in soil;
(5) grown on soil plant;
(6) contamination index of detection Craft in Chemical Industrial Area soil;
(7) 30 ~ 60 days, interval, repeat (2) ~ (6) step, until soil soil property meets the requirements;
Described complex micro organism fungicide, it is characterised in that include substrate, photosynthetic bacteria, Nocardia farcinica, Corallium Japonicum Kishinouye promise Ka Shi
Bacterium, citrobacter freundii, lactic acid bacteria, bacillus subtilis, Bacillus licheniformis, Rhodopseudomonas palustris, nitrifier and life
Thing enzyme preparation;
Described terrestrial invertebrates include Lumbricus, Formica fusca, Scolopendra at least one.
The ecological restoring method of Craft in Chemical Industrial Area the most according to claim 1 soil, it is characterised in that described plant includes India
Caulis et Folium Brassicae junceae, Maninot esculenta crantz., Caulis Seu Folium Lespedezae Bicoloris, Rhizoma Dioscoreae esculentae, sesbania, melilotus at least one.
The ecological restoring method of Craft in Chemical Industrial Area the most according to claim 1 soil, it is characterised in that described complex microorganism
Microbial inoculum, the most composed of the following components:
Substrate 30 ~ 70,
Photosynthetic bacteria 10-50,
Nocardia farcinica 20 ~ 40,
Norcardia corailina 10 ~ 30,
Citrobacter freundii 10 ~ 50,
Lactic acid bacteria 5 ~ 30,
Bacillus subtilis 10 ~ 20,
Bacillus licheniformis 5 ~ 20,
Rhodopseudomonas palustris 8 ~ 30,
Nitrifier 20 ~ 30,
Biological enzyme formulation 20 ~ 60.
The ecological restoring method of Craft in Chemical Industrial Area the most according to claim 3 soil, it is characterised in that described substrate is vegetation
Ash, kieselguhr, sodium alginate at least one.
The ecological restoring method of Craft in Chemical Industrial Area the most according to claim 3 soil, it is characterised in that described biological enzyme formulation
Mixture for acid protease, amylase and cellulase.
6. according to the ecological restoring method of the Craft in Chemical Industrial Area soil described in claim 3 or 5, it is characterised in that described enzyme
Preparation, the most composed of the following components:
Acid protease 20 ~ 60,
Amylase 10 ~ 20,
Cellulase 10 ~ 30.
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CN109772877A (en) * | 2018-12-31 | 2019-05-21 | 南京格洛特环境工程股份有限公司 | Chemical pollution site remediation method |
CN110014031A (en) * | 2019-04-28 | 2019-07-16 | 玉溪师范学院 | A kind of actic region plant restoration method |
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CN111034549A (en) * | 2019-12-26 | 2020-04-21 | 中国有色金属长沙勘察设计研究院有限公司 | Ecological greening method for red mud disposal site |
CN111034549B (en) * | 2019-12-26 | 2022-02-01 | 中国有色金属长沙勘察设计研究院有限公司 | Ecological greening method for red mud disposal site |
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