CN105710118A - Method for remediation of heavy metal contaminated soil - Google Patents
Method for remediation of heavy metal contaminated soil Download PDFInfo
- Publication number
- CN105710118A CN105710118A CN201610154464.7A CN201610154464A CN105710118A CN 105710118 A CN105710118 A CN 105710118A CN 201610154464 A CN201610154464 A CN 201610154464A CN 105710118 A CN105710118 A CN 105710118A
- Authority
- CN
- China
- Prior art keywords
- soil
- insecticide
- lumbricus
- heavy metal
- fertilizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Mycology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Health & Medical Sciences (AREA)
- Botany (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a method for remediation of heavy metal contaminated soil. The method comprises three processes of insecticide spraying, earthworm enriching remediation and microbial decomposition. Insecticide in the insecticide spraying process is prepared from, by mass, 280-320 parts of organic fertilizer, 28-32 parts of a microbial agent, 0.05-0.1 part of pyrethrum, 0.03-0.09 part of derris and 0.02-0.06 part of agritol powder. According to the method for remediation of the heavy metal contaminated soil, the fertilizer efficiency of the soil can be improved, and injurious insects in the soil and on the earth surface can be killed; and the microbial decomposition process is further added, so that the effect is remarkable, and operation is easy.
Description
Technical field
The invention discloses a kind of soil remediation method, especially relate to comprehensively utilize biochemical resource repairing heavy metal pollution
The method of soil, belongs to soil remediation method field.
Background technology
Heavy metal pollution of soil refers to, owing to metal is joined in soil by mankind's activity, cause heavy metal in soil obvious
Higher than primary content and cause the phenomenon that eco-environmental quality deteriorates.The heavy metal of contaminated soil mainly includes hydrargyrum (Hg), cadmium
(Cd), the significant element of bio-toxicity such as lead (Pb), chromium (Cr) and metalloid arsenic (As), and have certain toxicity zinc (Zn),
The elements such as copper (Cu), nickel (Ni).Essentially from pesticide, waste water, mud and atmospheric sedimentation etc., if hydrargyrum is essentially from mercury-containing waste water,
Cadmium, lead contamination essentially from smelt discharge and automobile exhaust gas sedimentation, arsenic be then widely used as insecticide, antibacterial, rat poison and
Herbicide.Excess heavy metal can cause physiological function of plants disorder, nutritional disorder, and the element such as cadmium, hydrargyrum is enriched with in crop grain
Coefficient is higher, even more than food hygienic standard, nor affects on plant growth, growth and yield, and hydrargyrum, arsenic can weaken and press down in addition
In soil processed, nitrification, Ammonifying bacteria activity, affect Nitrogen supplying.Heavy metal contaminants mobility in soil is the least, be difficult to
Water leaching, not for microbial degradation, after entering human body by food chain, potential hazard is very big, should be specifically noted that and prevents heavy metal
To soil pollution.
Current soil reclamation activities, according to processing mode, after process, whether soil locations changes, can be divided into administer in situ and
Dystopy is administered.Dystopy Environment control risk is relatively low, and it is higher that instant effect and system process predictability, but cost is high, to environmental perturbation
Greatly.Comparatively speaking, administer the most economical and the most practical in situ, simple to operate.According to Processing tecchnics and the difference of principle, contaminated soil
Treatment process can be divided into: engineering control measure and physical chemistry repair two big classes.Engineering control measure specifically includes that soil moved in improve the original, changes
Soil, table soil and deep ploughing is gone the measure such as to dig；Physical chemistry reparation specifically include that curing/stabilizing, electro reclamation, complexation drip washing,
Steam extraction, oxidoreduction, agricultural reparation, biological restoration etc..Recovery technique for heavy metal pollution of soil mainly has: plant
Repairing, in-situ chemical drip washing, ex-situ chemical washing, soil function is improved, and solidifies recovery technique, physical separation recovery technique, glass
Glassization is repaired, thermodynamics reparation, Thermal desorption reparation, electromotion repairing technique, soil removal and replacement reparation etc..
Notification number CN 101947539B(application number 201010248855.8) Chinese patent literature disclose a kind of process
The soil remediation method of heavy metal contaminants, by the content of beary metal height in soil, is divided into three classes, i.e. serious pollution by soil
Soil, intermediate pollution soil and light contamination soil, the restorative procedure for serious pollution soil is first to carry out chemical leaching, then
Carry out earthworm bioaccumulation reparation and phytoremediation；Restorative procedure for the soil of intermediate pollution includes earthworm bioaccumulation reparation and plant
Repair；Restorative procedure for light contamination soil is phytoremediation.Publication No. CN 102076436 B(application number
200980124086.6) Chinese patent literature discloses a kind of soil remediation method, comprises the following steps: by metal combination
Grain joins the place containing one or more metal pollutants so that at least the one of one or more metal pollutants described
Chelated by described granule a bit, and breed in described place with plant.Publication No. CN103833274A(application number
201310751031.6) Chinese patent literature discloses a kind of heavy metal pollution soil consolidator and using method, firming agent
For the combination of Binder Materials, biological carbon, Plant fiber and stabilizer, in firming agent, the quality of each material is according to heavy metal polluted soil
The percentage composition of dry weight adds, and Binder Materials 10-15%, biological carbon 5%, Plant fiber 10%, stabilizer 1%.Order of addition is successively
For stabilizer, biological carbon, Plant fiber and Binder Materials.In stable process, add chemical stabilizer and biological carbon, can adsorb
Heavy metal also makes it be passivated, and loses animal migration, and preparing heavy metal polluted soil mud provides condition, whole place for later stage chemical reaction
Reason process no dust pollution, without sewage discharge more than needed.Add Plant fiber, it is possible to effectively prevent conventional solidified dose of curing heavy metal
Cracking after Polluted Soil, improves the durability of firming body.
Main flow soil restoring technology now, although method is more, but all existing defects, such as operate complexity, repair into
This is high, therefore remains a need for a kind of simpler effective soil remediation method of research invention.
Summary of the invention
Not enough for prior art, a kind of method that it is an object of the invention to provide restoration of soil polluted by heavy metal, have
Simple to operate, low cost, the feature that applied widely, environmental risk is low.
The technical scheme is that
The method of the biochemical resource restoration of soil polluted by heavy metal of comprehensive utilization, including insecticide spraying, earthworm bioaccumulation reparation, micro-life
Thing decomposes three processes.Insecticide during wherein said insecticide spraying, is made up of llowing group of materials, is mass parts: have
Machine fertilizer 280-320 part, microbial bacterial agent 28-32 part, Pyrethrum 0.05-0.1 part, Radix seu Caulis Derridis Trifoliatae 0.03-0.09 part and Bacillus thuringiensis
Powder 0.02-0.06 part.
Preferred version is: fertilizer 290-310 part, microbial bacterial agent 29-31 part, Pyrethrum 0.06-0.09 part, Radix seu Caulis Derridis Trifoliatae
0.05-0.07 part and Bacillus thuringiensis powder 0.03-0.05 part.
More preferably: fertilizer 300 parts, microbial bacterial agent 30 parts, Pyrethrum 0.08 part, Radix seu Caulis Derridis Trifoliatae 0.06 part and Su Yun
0.04 part of bacillus powder of gold.
The preparation technology of described insecticide is:
1. by fertilizer as on aseptic plastic sheeting, shakeout, cover aseptic plastic sheeting ultraviolet sterilization 1-5 days (excellent
Select 3 days), lift thin film, be placed in add shady and coolly microbial bacterial agent mixing standby；
2. Pyrethrum and Radix seu Caulis Derridis Trifoliatae are placed in the container of non iron, soak 30 minutes by the warm water that temperature is 10-20 DEG C, use
The water yield is 3-5 times (preferably 4 times) of raw material weight, is placed on smokeless stove fire, seals little fire and decocts 30-50 minute (preferably 40
Minute), stand 5-10 hour (preferably 7.5 hours), take supernatant stand-by；
3. Bacillus thuringiensis powder is together put in dispenser, be stirred for uniformly with waddy, by step 2. gained supernatant
Liquid joins in dispenser, mixing, adds in aerosol apparatus, is watered, and being sprayed at step 1. gained uniformly has on thing, obtains parasite killing
Agent.
Described insecticide spraying process is: described insecticide is sprinkling upon soil top uniformly, is turned over by soil with rooter
Even, dry in the sun 1-3 days (preferably 2 days).
Described Lumbricus repair process is:
1. the Lumbricus cultivated is put in the soil of spraying insecticide, watered a water every 1 day, water in the 11 of the morning every time
Point-2 pm；
2. Lumbricus is collected: water collecting stoppings in first 4 days of Lumbricus, decomposed leaves or straw will be laid on soil
Surface, attracts Lumbricus movable on top layer, collects Lumbricus.
Described microbial decomposition process is: Catharsii molossi is positioned over the soil having collected Lumbricus, after 4 days, collects Catharsii molossi.
Above three repair process constitutes a cycle, and a cycle lasts two months, and land remediation needs to circulate three
In the cycle, start to the September to terminate March from annual lunar calendar.
Each raw material effect is respectively as follows:
Fertilizer: be commonly called as farm manure, refers to containing materials such as large number of biological material, plant and animal residues, Excreta, biological wastes
Slow-release fertilizer.Fertilizer does not contain only the required a great number of elements of plant, trace element, possibly together with abundant organic nutrient, has
Machine fertilizer is the most comprehensive fertilizer.Fertilizer effect in agricultural production is mainly manifested in the following aspects: one, conditioned soil
After earth, culture fertility organic fertilizer are manured into soil, organic mass-energy improves soil physical chemistry situation and biological nature, vegetable soil effectively
Earth, strengthens fertilizer supply and preservation ability and the buffer capacity of soil, and good edaphic condition is created in the growth for crop.Two, product is increased
Amount, raising quality organic fertilizer contain abundant Organic substance and various nutrient, provide nutrition for crops.Fertilizer decomposition
After, provide energy and nutriment for soil microbial activity, promote microbial activities, accelerate organic matter decomposition, the active matter of generation
Matter etc. can promote the growth of crop and improve the quality of agricultural product.Three, improve fertilizer utilization rate fertilizer contain nutrient many but
Relative amount is low, and release is slow, and chemical fertilizer unit nutrient content is high, and composition is few, and release is fast.Both use, mutually by reasonable coordination
Supplementing, the organic acid that organic matter decomposition produces can also promote the dissolving of mineral nutrient in soil and chemical fertilizer.Fertilizer and chemical fertilizer phase
Promote mutually, beneficially Crop, improve the utilization rate of fertilizer.
Microbial bacterial agent: the active bacteria formulation that objective microbe (effective bacterium) is made through industrialized production expanding propagation post-treatment.
Main component: include Bacillus coagulans, bacillus megaterium, azotobacter vinelandii, colloid bacillus cereus, aspergillus oryzae, long handle wood
Mould.It has directly or indirectly improves soil, recovery soil fertility, maintains rhizosphere microflora balance, poisonous and harmful substances of degrading
Deng effect；It is applied to agricultural production, by the vital movement of microorganism contained therein, increases supply or the promotion of plant nutrient
Plant growing, improving quality of agricultural product and agroecological environment, this product is purchased from love Promised Land, Shandong bio tech ltd.
Pyrethrum: contain the insecticidal constituent of 4 kinds of 0.4-2%, i.e. pyrethrin first, second in Pyrethrum head sequence inflorescence
(pyrethrinI, II) and cinerin first, second (cinerinI, II).Insecticidal power is the strongest with deinsectization element first.But above-mentioned 4 kinds of one-tenth
Divide property unstable, easily hydrolyze and lost efficacy.The pharmacological action of parasite killing is to benumb the nerve of insecticide；After insecticide poisoning, from the beginning of vomitting
Tell, dysentery, before and after health wriggle, then benumb, can lethal die, the length of lethal time is different according to dose and caste.One
As insecticide, through paralysis drunk after, can recover in 24 hours；After housefly poisoning, all benumbed in 10 minutes, mortality rate 60-
70%.To joint echiuran, Fish, amphibious and reptile class is the most poisonous；Inconspicuous to birds, mammals toxicity.Killing of pyrethrin first
Worm effect is stronger 10 times than pyrethrin second；Cinerin first is suitable with the virulence of pyrethrin first, and cinerin second and pyrethrin
The virulence of second is suitable.
Radix seu Caulis Derridis Trifoliatae: Radix seu Caulis Derridis Trifoliatae, belongs to pulse family liana, climbing shrub, and entirety is bald only.Odd number winglike compound leaf.Raceme axil
Raw or side is born on old branch；Anthocaulus consor, slightly longer than calyx；Calyx is bell；Corolla butterfly, pink.Pod is flat and thin, the most avette
Or square is circular.August at florescence.Really phase JIUYUE.Its root is containing insecticide active substance rotenone and the like.Insecticidal rotenone is composed
Extensively, 800 various pests can be prevented and treated, be one of three great tradition pesticide plants.Root, stem: fly eradication maggot, and it is used as agricultural chemical insecticide.Branch,
Leaf: eczema is controlled in external, Fengshi Guanjie swells and ache, treating swelling and pain by traumatic injury (skin does not breaks).This product contains Radix Seu Caulis Millettiae Lasiopetalae ketone, and poisoning insecticide effect is very
Good.Radix seu Caulis Derridis Trifoliatae is as agricultural insecticidal medicine, and in composition, the virulence with rotenone is the strongest, and deguelin takes second place, and remaining is the most weak.
Bacillus thuringiensis: Bacillus thuringiensis applicable crops is widely. it is widely used in brassicaceous vegetable, solanaceous vegetables vegetables
Dish, melon vegetables, Nicotiana tabacum L., Oryza sativa L., rice, Sorghum vulgare Pers., Semen sojae atricolor, Semen arachidis hypogaeae, Rhizoma Dioscoreae esculentae, Cotton Gossypii, Camellia sinensis, Fructus Mali pumilae, pears, Fructus Persicae, Fructus Jujubae, Citrus, spine
Etc. various plants；It is mainly used in preventing and treating lepidoptera pest, such as Pieris rapae, diamondback moth, sweet moth, Prodenia litura, lopper worm, cigarette green grass or young crops
Worm, Pyrausta nubilalis (Hubern)., rice leaf roller, striped rice borer.
In the method for remediating heavy metal soil of the present invention, innovative point is to add the sprinkling process of insecticide, and also
Have special insecticide, this insecticide combined preparation with chemical drugs by fertilizer and the plant amedica with disinsection efficiency and
Become, soil fertility can be improved, moreover it is possible to kill inside soil and the insect on earth's surface；Also add this process of microbial decomposition,
Can effectively decompose microorganism, and be to utilize Catharsii molossi to decompose, not consume manpower, low cost.
Detailed description of the invention
Describe technical scheme in detail below in conjunction with embodiment and experimental example, but protection domain is not limited by this.
The present invention is raw materials used all can be bought from market, and such as microorganism used therefor microbial inoculum is that Shijiazhuang Fen Doufei industry Science and Technology Ltd. is raw
The complex micro organism fungicide produced；The microbial-bacterial fertilizer that this biotech inc rich, Shandong produces can also be used for this
Bright.The mealybug that Bacillus thuringiensis powder used produces purchased from Zhengzhou Huang Pu agricultural science and technology company limited must control board Bacillus thuringiensis
Powder.
Embodiment 1 comprehensively utilizes the method for biochemical resource restoration of soil polluted by heavy metal, including insecticide spraying, Lumbricus
Enrichment is repaired, three processes of microbial decomposition.Described insecticide, is prepared from by llowing group of materials, is mass parts: fertilizer
280kg, microbial bacterial agent 28kg, Pyrethrum 0.05kg, Radix seu Caulis Derridis Trifoliatae 0.03kg and Bacillus thuringiensis powder 0.02kg.
The preparation technology of described insecticide is:
1. by fertilizer as on aseptic plastic sheeting, shakeout, cover aseptic plastic sheeting ultraviolet sterilization 1 day, lift
Thin film, be placed in add shady and coolly microbial bacterial agent mixing standby；
2. Pyrethrum and Radix seu Caulis Derridis Trifoliatae are placed in the container of non iron, soak 30 minutes by the warm water that temperature is 10-20 DEG C, use
The water yield is 3 times of raw material weight, is placed on smokeless stove fire, seals little fire and decocts 30 minutes, stands 5 hours, take supernatant and treat
With；
3. Bacillus thuringiensis powder is together put in dispenser, be stirred for uniformly with waddy, by step 2. gained supernatant
Liquid joins in dispenser, mixing, adds in aerosol apparatus, is watered, and being sprayed at step 1. gained uniformly has on thing, obtains parasite killing
Agent.
Described insecticide spraying process is: insecticide is sprinkling upon soil top uniformly, is turned over by soil even with rooter, dry in the air
Shine 1 day.
Described Lumbricus repair process is:
1. the Lumbricus cultivated is put in the soil of spraying insecticide, watered a water every 1 day, water in the 11 of the morning every time
Point-2 pm；
2. Lumbricus is collected: water collecting stoppings in first 4 days of Lumbricus, decomposed leaves or straw will be laid on soil
Surface, attracts Lumbricus movable on top layer, collects Lumbricus.
Described microbial decomposition process is: Catharsii molossi is positioned over the soil having collected Lumbricus, after 4 days, collects Catharsii molossi.
Embodiment 2 comprehensively utilizes the method for biochemical resource restoration of soil polluted by heavy metal, including insecticide spraying, Lumbricus
Enrichment is repaired, three processes of microbial decomposition.Described insecticide, is prepared from by llowing group of materials, is mass parts: fertilizer
320kg, microbial bacterial agent 32kg, Pyrethrum 0.1kg, Radix seu Caulis Derridis Trifoliatae 0.09kg and Bacillus thuringiensis powder 0.06kg.
The preparation technology of described insecticide is:
1. by fertilizer as on aseptic plastic sheeting, shakeout, cover aseptic plastic sheeting ultraviolet sterilization 5 days, lift
Thin film, be placed in add shady and coolly microbial bacterial agent mixing standby；
2. Pyrethrum and Radix seu Caulis Derridis Trifoliatae are placed in the container of non iron, soak 30 minutes by the warm water that temperature is 10-20 DEG C, use
The water yield is 5 times of raw material weight, is placed on smokeless stove fire, seals little fire and decocts 50 minutes, stands 10 hours, take supernatant and treat
With；
3. Bacillus thuringiensis powder is together put in dispenser, be stirred for uniformly with waddy, by step 2. gained supernatant
Liquid joins in dispenser, mixing, adds in aerosol apparatus, is watered, and being sprayed at step 1. gained uniformly has on thing, obtains parasite killing
Agent.
Described insecticide spraying process is: insecticide is sprinkling upon soil top uniformly, is turned over by soil even with rooter, dry in the air
Shine 3 days.
Described Lumbricus repair process is:
1. described insecticide is sprinkling upon soil top uniformly, soil is turned over even with rooter, after 3 days, put into and cultivated
Lumbricus；
2. watered a water every 1 day, water in the 11 points-2 pm in the morning every time；
3. Lumbricus is collected: water collecting stoppings in first 4 days of Lumbricus, decomposed leaves or straw will be laid on soil
Surface, attracts Lumbricus movable on top layer, collects Lumbricus.
Described microbial decomposition process is: Catharsii molossi is positioned over the soil having collected Lumbricus, after 4 days, collects Catharsii molossi.
Embodiment 3 comprehensively utilizes the method for biochemical resource restoration of soil polluted by heavy metal, including insecticide spraying, Lumbricus
Enrichment is repaired, three processes of microbial decomposition.Described insecticide, is prepared from by llowing group of materials, is mass parts: fertilizer
290kg, microbial bacterial agent 29kg, Pyrethrum 0.06kg, Radix seu Caulis Derridis Trifoliatae 0.05kg and Bacillus thuringiensis powder 0.03kg.
The preparation technology of described insecticide is:
1. by fertilizer as on aseptic plastic sheeting, shakeout, cover aseptic plastic sheeting ultraviolet sterilization 2 days, lift
Thin film, be placed in add shady and coolly microbial bacterial agent mixing standby；
2. Pyrethrum and Radix seu Caulis Derridis Trifoliatae are placed in the container of non iron, soak 30 minutes by the warm water that temperature is 10-20 DEG C, use
The water yield is 3.5 times of raw material weight, is placed on smokeless stove fire, seals little fire and decocts 35 minutes, stands 6 hours, take supernatant
Stand-by；
3. Bacillus thuringiensis powder is together put in dispenser, be stirred for uniformly with waddy, by step 2. gained supernatant
Liquid joins in dispenser, mixing, adds in aerosol apparatus, is watered, and being sprayed at step 1. gained uniformly has on thing, obtains parasite killing
Agent.
Described insecticide spraying process is: insecticide is sprinkling upon soil top uniformly, is turned over by soil even with rooter, dry in the air
Shine 1 day.
Described Lumbricus repair process is:
1. the Lumbricus cultivated is put in the soil of spraying insecticide, watered a water every 1 day, water in the 11 of the morning every time
Point-2 pm；
2. Lumbricus is collected: water collecting stoppings in first 4 days of Lumbricus, decomposed leaves or straw will be laid on soil
Surface, attracts Lumbricus movable on top layer, collects Lumbricus.
Described microbial decomposition process is: Catharsii molossi is positioned over the soil having collected Lumbricus, after 4 days, collects Catharsii molossi.
Embodiment 4 comprehensively utilizes the method for biochemical resource restoration of soil polluted by heavy metal, including insecticide spraying, Lumbricus
Enrichment is repaired, three processes of microbial decomposition.Described insecticide, is prepared from by llowing group of materials, is mass parts: fertilizer
310kg, microbial bacterial agent 31kg, Pyrethrum 0.09kg, Radix seu Caulis Derridis Trifoliatae 0.07kg and Bacillus thuringiensis powder 0.05kg.
The preparation technology of described insecticide is:
1. by fertilizer as on aseptic plastic sheeting, shakeout, cover aseptic plastic sheeting ultraviolet sterilization 4 days, lift
Thin film, be placed in add shady and coolly microbial bacterial agent mixing standby；
2. Pyrethrum and Radix seu Caulis Derridis Trifoliatae are placed in the container of non iron, soak 30 minutes by the warm water that temperature is 10-20 DEG C, use
The water yield is 4.5 times of raw material weight, is placed on smokeless stove fire, seals little fire and decocts 45 minutes, stands 8 hours, take supernatant
Stand-by；
3. Bacillus thuringiensis powder is together put in dispenser, be stirred for uniformly with waddy, by step 2. gained supernatant
Liquid joins in dispenser, mixing, adds in aerosol apparatus, is watered, and being sprayed at step 1. gained uniformly has on thing, obtains parasite killing
Agent.
Described insecticide spraying process is: insecticide is sprinkling upon soil top uniformly, is turned over by soil even with rooter, dry in the air
Shine 3 days.
Described Lumbricus repair process is:
1. the Lumbricus cultivated is put in the soil of spraying insecticide, watered a water every 1 day, water in the 11 of the morning every time
Point-2 pm；
2. Lumbricus is collected: water collecting stoppings in first 4 days of Lumbricus, decomposed leaves or straw will be laid on soil
Surface, attracts Lumbricus movable on top layer, collects Lumbricus.
Described microbial decomposition process is: Catharsii molossi is positioned over the soil having collected Lumbricus, after 4 days, collects Catharsii molossi.
Embodiment 5 comprehensively utilizes the method for biochemical resource restoration of soil polluted by heavy metal, and including insecticide spraying, Lumbricus is rich
Collection is repaired, three processes of microbial decomposition.Described insecticide, is prepared from by llowing group of materials, is mass parts: fertilizer
300kg, microbial bacterial agent 30kg, Pyrethrum 0.08kg, Radix seu Caulis Derridis Trifoliatae 0.06kg and Bacillus thuringiensis powder 0.04kg.
The preparation technology of described insecticide is:
1. by fertilizer as on aseptic plastic sheeting, shakeout, cover aseptic plastic sheeting ultraviolet sterilization 3 days, lift
Thin film, be placed in add shady and coolly microbial bacterial agent mixing standby；
2. Pyrethrum and Radix seu Caulis Derridis Trifoliatae are placed in the container of non iron, soak 30 minutes by the warm water that temperature is 10-20 DEG C, use
The water yield is 4 times of raw material weight, is placed on smokeless stove fire, seals little fire and decocts 40 minutes, stands 7.5 hours, take supernatant
Stand-by；
3. Bacillus thuringiensis powder is together put in dispenser, be stirred for uniformly with waddy, by step 2. gained supernatant
Liquid joins in dispenser, mixing, adds in aerosol apparatus, is watered, and being sprayed at step 1. gained uniformly has on thing, obtains parasite killing
Agent.
Described insecticide spraying process is: insecticide is sprinkling upon soil top uniformly, is turned over by soil even with rooter, dry in the air
Shine 2 days.
Described Lumbricus repair process is:
1. the Lumbricus cultivated is put in the soil of spraying insecticide, watered a water every 1 day, water in the 11 of the morning every time
Point-2 pm；
2. Lumbricus is collected: water collecting stoppings in first 4 days of Lumbricus, decomposed leaves or straw will be laid on soil
Surface, attracts Lumbricus movable on top layer, collects Lumbricus.
Described microbial decomposition process is: Catharsii molossi is positioned over the soil having collected Lumbricus, after 4 days, collects Catharsii molossi.
The reality of the method for the biochemical resource restoration of soil polluted by heavy metal of test example 1 embodiment 5 gained comprehensive utilization should
With:
Test plot: choosing heavy metal pollution soil, according to lattice method, every 100m takes a sample point, chooses 20 altogether, inspection
Survey its content of beary metal, repeated measure twice, take average and be the content of beary metal of this trial zone.
Test method: the method experimental field using the biochemical resource restoration of soil polluted by heavy metal of example 5 gained comprehensive utilization,
Three repair processes are a cycle, and a cycle lasts two months, and soil remediation needs to circulate three cycles altogether, from annual cloudy
Go through March and start to the September to terminate.
Test index: heavy metal cadmium Cd, copper Cu, hydrargyrum Hg, zinc Zn, lead Pb.According to national standard, content of beary metal with Cd <
< 0.3 mg/kg, Zn < 150mg/kg, Pb < 50mg/kg is final purpose for 0.3 mg/kg, Cu < 50 mg/kg, Hg.
Test effect is shown in Table 1.
Content of beary metal (mg/kg) before and after table 1 experimental field soil remediation
The method of the biochemical resource restoration of soil polluted by heavy metal of comprehensive utilization of the present invention, has more compared with original technology
Novelty, is more suitable for the reparation of heavy-metal contaminated soil, simple to operate, cost is relatively low, effect is notable.Test proves that,
Heavy metal cadmium Cd in soil, copper Cu, hydrargyrum Hg, zinc Zn, lead Pb content, after the repair process of six months, fall is obvious,
And reach finally to limit target.
It should be pointed out that, the detailed description of the invention more representational example that is the present invention, it is clear that the skill of the present invention
Art scheme is not limited to above-described embodiment, it is also possible to have many variations.Those of ordinary skill in the art, all spirit in the present invention
Within principle, any amendment of being made, replace, improvement etc., should be included within the scope of the present invention.
Claims (1)
1. the method for the biochemical resource restoration of soil polluted by heavy metal of comprehensive utilization, is characterized in that, including insecticide spraying, Lumbricus is rich
Collection is repaired, three processes of microbial decomposition；
Insecticide used in the process of described insecticide spraying is mainly by fertilizer 280-320 part, microbial bacterial agent 28-32
Part, Pyrethrum 0.05-0.1 part, Radix seu Caulis Derridis Trifoliatae 0.03-0.09 part and Bacillus thuringiensis powder 0.02-0.06 part are prepared from, and are matter
Amount part；
The preparation technology of described insecticide is:
1. by fertilizer as on aseptic plastic sheeting, shakeout, cover aseptic plastic sheeting ultraviolet sterilization 3 days, lift
Thin film, be placed in add shady and coolly microbial bacterial agent mixing standby；
2. Pyrethrum and Radix seu Caulis Derridis Trifoliatae are placed in the container of non iron, soak 30 minutes by the warm water that temperature is 10-20 DEG C, use
The water yield is 3-5 times of raw material weight, is placed on smokeless stove fire, seals little fire and decocts 30-50 minute, stands 5-10 hour, take
Supernatant is stand-by；
3. Bacillus thuringiensis powder is together put in dispenser, be stirred for uniformly with waddy, by step 2. gained supernatant
Liquid joins in dispenser, mixing, adds in aerosol apparatus, is watered, and being sprayed at step 1. gained uniformly has on thing, obtains parasite killing
Agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610154464.7A CN105710118A (en) | 2014-10-21 | 2014-10-21 | Method for remediation of heavy metal contaminated soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610154464.7A CN105710118A (en) | 2014-10-21 | 2014-10-21 | Method for remediation of heavy metal contaminated soil |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410557231.2A Division CN104259196B (en) | 2014-10-21 | 2014-10-21 | Fully utilize the method for biochemical resource restoration of soil polluted by heavy metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105710118A true CN105710118A (en) | 2016-06-29 |
Family
ID=56157807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610154464.7A Withdrawn CN105710118A (en) | 2014-10-21 | 2014-10-21 | Method for remediation of heavy metal contaminated soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105710118A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039305A (en) * | 2009-10-23 | 2011-05-04 | 吴江市土壤肥料技术指导站 | Method for improving repair efficiency of plant on low As and Hg combined contamination soil |
| CN102553904A (en) * | 2012-01-17 | 2012-07-11 | 浙江博世华环保科技有限公司 | Bioremediation method for soil polluted by heavy metals |
| CN103160450A (en) * | 2011-12-15 | 2013-06-19 | 河北农业大学 | Broad-spectrum efficient novel bacillus thuringiensis strain, microbial inoculum and application thereof |
| JP2013144271A (en) * | 2012-01-13 | 2013-07-25 | Japan Research Institute Ltd | Soil improving method |
| CN103535389A (en) * | 2013-10-27 | 2014-01-29 | 莫晟琼 | Plant source fruit tree insecticide |
-
2014
- 2014-10-21 CN CN201610154464.7A patent/CN105710118A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039305A (en) * | 2009-10-23 | 2011-05-04 | 吴江市土壤肥料技术指导站 | Method for improving repair efficiency of plant on low As and Hg combined contamination soil |
| CN103160450A (en) * | 2011-12-15 | 2013-06-19 | 河北农业大学 | Broad-spectrum efficient novel bacillus thuringiensis strain, microbial inoculum and application thereof |
| JP2013144271A (en) * | 2012-01-13 | 2013-07-25 | Japan Research Institute Ltd | Soil improving method |
| CN102553904A (en) * | 2012-01-17 | 2012-07-11 | 浙江博世华环保科技有限公司 | Bioremediation method for soil polluted by heavy metals |
| CN103535389A (en) * | 2013-10-27 | 2014-01-29 | 莫晟琼 | Plant source fruit tree insecticide |
Non-Patent Citations (2)
| Title |
|---|
| 中国土壤学会: "《土壤科学与社会可持续发展（下）》", 30 September 2008, 中国农业大学出版社 * |
| 李敏等: "《中草药GAP栽培学》", 30 September 2006, 中国中医药出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104259196B (en) | Fully utilize the method for biochemical resource restoration of soil polluted by heavy metal | |
| CN104311335B (en) | Have soil-repairing agent and the preparation technology of process heavy metal contamination and getting fat effect concurrently | |
| CN104289507B (en) | Animal is utilized to process the restorative procedure of severe heavy-metal contaminated soil | |
| CN104016813A (en) | Ecological pesticide-added fertilizer and preparation method thereof | |
| CN106699397A (en) | Organic fertilizer with insecticidal and sterilizing efficacy, and preparation method thereof | |
| CN104311334B (en) | Composite modifying agent and preparation technology for restoration of soil polluted by heavy metal | |
| CN104275345B (en) | The biochemical restorative procedure of heavy-metal contaminated soil | |
| CN109608285A (en) | A kind of dedicated ecological bacterial manure of citrus and its production method | |
| CN103819274B (en) | Preparation method for phosphite- chitosan oligosaccharide composite biological medical fertilizer | |
| CN107353086A (en) | A kind of pure biological Resistant seed manure and with position with broadcasting production method | |
| CN107836348A (en) | A kind of implantation methods of pearl Lee | |
| CN101185448A (en) | Soil environment biological disinfectant and preparation method thereof | |
| CN103783092B (en) | Biopesticide and preparation method thereof | |
| CN106490049A (en) | A kind of composite pesticide for growing vegetables and preparation method thereof | |
| CN104311357A (en) | Soil remediation agent with insecticidal effect and preparation process of soil remediation agent | |
| CN104311336B (en) | A kind of soil-repairing agent processing heavy metal pollution and preparation technology | |
| CN105710118A (en) | Method for remediation of heavy metal contaminated soil | |
| CN106688355A (en) | Humic acid preparation for reducing residue quantity of organic pesticides in soil and application thereof | |
| CN105817473A (en) | Remediation method for heavy metal contaminated soil | |
| JP4032137B2 (en) | Plant soil fungicide, mycelium plant regulator, and soil conditioning method | |
| CN105802633A (en) | Soil remediation agent with heavy metal pollution treatment and fertilization effects and preparation method thereof | |
| CN105710119A (en) | Restorative method for heavy metal contaminated soil | |
| Sun et al. | Summary of SC TCM Agricultural Soil Ecological Restoration Major Scientific and Technological Innovation Engineering Technology | |
| CN112845574A (en) | Farmland soil restoration and treatment method | |
| JPH0569802B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160629 |