CN110340139A - Heavy-metal contaminated soil ecological restoring method - Google Patents
Heavy-metal contaminated soil ecological restoring method Download PDFInfo
- Publication number
- CN110340139A CN110340139A CN201910653845.3A CN201910653845A CN110340139A CN 110340139 A CN110340139 A CN 110340139A CN 201910653845 A CN201910653845 A CN 201910653845A CN 110340139 A CN110340139 A CN 110340139A
- Authority
- CN
- China
- Prior art keywords
- plant
- parts
- heavy
- contaminated soil
- biomass charcoal
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- 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
- B09C1/105—Reclamation of contaminated soil microbiologically, biologically or by using enzymes using fungi or plants
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B17/00—Other phosphatic fertilisers, e.g. soft rock phosphates, bone meal
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Botany (AREA)
- Mycology (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Environmental & Geological Engineering (AREA)
- Biotechnology (AREA)
- General Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Processing Of Solid Wastes (AREA)
- Fertilizers (AREA)
Abstract
The present invention provides a kind of heavy-metal contaminated soil ecological restoring method, in conjunction with life and ecological environment, present invention utilizes the crop materials that peasant discards, utilize unique preparation method, produce the plant food containing biomass charcoal, because biomass charcoal has suction-operated, strengthen the aggregation of Heavy Metals in Contaminated Soils pollutant, have in plantation to heavy metal and absorbs, while the plant of enrichment, using movable plant seedling disk as planting matrix container, mixed plant food is added in matrix and pollution of surface soil (ploughing plough), while promoting plant growth, increase the photosynthesis of plant, the heavy metal contaminants in pollution of surface soil are had accumulated again.The time for shortening plant growth increases the adsorbance of root system of plant again.The easily replacement of plant food again of the plant seedling disk of packaged type, greatly strengthens the function of restoration of the ecosystem.The double action for the environment that protection environment is administered at the same time again under, beneficial effects of the present invention are very significant.
Description
Technical field
The present invention relates to soil ecology recovery technique field more particularly to a kind of heavy-metal contaminated soil restoration of the ecosystem sides
Method.
Background technique
With the continuous quickening of process of industrialization, the unreasonable exploitation and its smelting of mineral resources are discharged, for a long time to soil
The reasons such as the application of atmospheric sedimentation caused by sewage irrigation and sludge application, human activity, chemical fertilizer and pesticide are carried out, soil is caused
Earth is seriously polluted.The concrete condition of country's soil pollution at present, there is no specific official's data.According to the analysis, current China
Soil pollution especially heavy metal pollution of soil have the tendency that being further aggravated.In recent years, China's heavy metal pollution alarm bell frequency
Frequency is beaten, if letting alone the lasting generation of heavy metal pollution of soil, once content of beary metal reaches pathogenic degree, it will to the person
Body generates huge harm.
For repairing polluted soil, countries in the world particularly developed countries had all put into huge human and material resources in recent years
Soil remediation research is carried out with financial resources, and is made some progress.Currently, heavy metal soil restoring technology includes peripheral doses
Technology: peripheral doses technology, bioremediation technology, chemical remediation technology etc., but these remediation of heavy metal-contaminated soil are not
But construction cost, operating cost are high, and operational means is complicated, and repairing effect is bad.Based on the above issues, we it is necessary to mention
For a kind of better heavy-metal contaminated soil ecological restoring method of effect.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of heavy-metal contaminated soil ecological restoring methods, to solve to carry on the back
Costly and bad effect problem in scape technology.
The present invention is achieved through the following technical solutions, provides a kind of heavy-metal contaminated soil ecological restoring method, institute
The method of stating includes the following steps:
S01: plantation has the plant of hyperaccumulation to heavy metal in plant seedling disk, and the plant seedling disk is interior according to 7:2:1's
Vegetable fertilizer, biomass charcoal, potassium carbonate or calcium carbonate is added in weight ratio, and micro plant growth substance is added.
Specifically, plantation has the plant method of hyperaccumulation to heavy metal in plant seedling disk are as follows:
S011: the plant to be planted is chosen；
S012: using seedling disk as planting container, seedling disk is interior to have water seepage hole, and size requires to determine according to the root system of plant of plantation
It is fixed；
S013: selection planting matrix, the planting matrix are nutrient soil or water；
S014: planting matrix is packed into kind of seedling disk, by planting in planting matrix, planting matrix is in planting groove
Depth of cracking closure is determined by the planting requirement of plant；
S015: the surface layer for turning over pollution, which is ploughed, plants soil, and the planting container that step 4 is obtained is set on the face of contaminated soil.
S02: aqueous slkali is injected to contaminated soil, makes surface soil layer pH value 8-10.
S03: the plant food for being mixed with biomass charcoal is added into the surface soil layer of contaminated soil；Wherein, institute
State plant food in parts by weight and include 70 parts of vegetable fertilizer, 20 parts of biomass charcoal, potassium carbonate or 10 parts of calcium carbonate, three
It mixes, stirs evenly according to the ratio；Carbanion is reacted with acidic materials generates carbon dioxide, therefore plant food is most
Whole ingredient is vegetable fertilizer, biomass charcoal and carbon dioxide.
Biomass charcoal containing 20 parts by weight in plant food is advisable, and excessive biomass charcoal can generate enrichment and inhibit
It acts on, the existing fertilizer for being able to satisfy plant growth needs in plant food, and has the photosynthesis carbon dioxide that can increase plant,
Meet the fertilizer of plant growth needs at the same time and increase the photosynthesis of plant simultaneously, moreover it is possible to by the absorption of biomass charcoal
Ability is adsorbed onto heavy metal contaminants near root system of plant, and the growth of plant is greatly facilitated and improves adsorbance, to pollution
The repairing effect of soil is significantly improved, and ecological income gangster is shallow.Excessive biomass charcoal is equally assembled required for collection plant
Nutritious fertilizer, inhibiting effect can be played to the growth of plant.
S04: the plant seedling disk of the step S01 is placed on surface soil layer.
The root system of plant is most of inside seedling disk, and only a small amount of or short is deep by the permeable hole inside seedling disk
In soil, plant seedling disk can move at any time, the convenient biomass charcoal for replacing root system of plant bottom at any time.
Preferably, the biomass charcoal the preparation method comprises the following steps:
S031: corn stover and rice straw are mixed, and add 3-5 times of water immersion 8-10h, ball milling 30-40min at homogenate, from
Lower sediment is dried into obtain pulvis after the heart；
Corn stover is important capital goods in the agricultural sector, is easy-to-sell goods in the collectively owned business epoch.In addition to as feed, fertilizer, eating
But nowadays outside bacterium base-material or the material of peasant's cooking heating, peasant's cultivation is all the finished product feedstuff bought by grain conversion,
Stalk is also just treated coldly, and common processing mode is exactly to burn.Rice straw is remaining leaves and stems after rice maturation threshing
Point.In recent years, peasant can only directly burn most rice straw in field for convenience of cultivation and harvesting.Serious pollution
Environment, there is also very big security risk.Using both stalks, not only cost is relatively low, and protects environment.
According to 10 parts of mass parts corn stover, 10 parts of rice straw.Corn stover and rice straw quality use the ratio of 1:1
Column are mixed, relatively common in corn stover and rice straw life, and organic matter, nutrient after ratio mixing in product are more
It enriches.
Preferably, the vegetable fertilizer the preparation method comprises the following steps:
S033: it according to 30 parts of weight attapulgite, 10 parts of castor shell, 10 parts of rape cake, 10 parts of swine excrement mixing, utilizes
Attapulgite large specific surface area, strong adsorption force, sticky good and low density feature, not only can be improved the granulating of granulated fertilizer
Rate enhances the granulation speed of fertilizer, and is granulated intensity height, does not agglomerate, not counter tide.Castor shell can prevent plant senescence, because
It can excessively play side effect with toxicity.The nitrogen content of rape cake is 4.6%, phosphorus content 2.48%, potassium content 1.4%,
Middle and trace element also rich in, but equally it can cause secondary pollution to soil with toxicity.Swine excrement quality is thinner,
Containing more organic matter and npk nutrient, it is suitable for making base manure, but swine excrement water content is higher simultaneously that pig manure decomposition is slower,
It needs to be dehydrated more troublesome, is unfavorable for the knot grain of fertilizer.The proportion of the parts by weight had not only met the demand of various functions, but also will not
Lead to the miopragia of fertilizer because of its side effect even disadvantageously.Then obtained mixture is crushed into slagging, used
The microbial fermentation decomposing agent of 0.5g is uniformly added in above-mentioned slag charge, is stirred evenly with blender, stacks 48 hours and is warming up to
60 ° (summer 48 hours, winter need 72 hours), decomposed material is made, be added the ammonium sulfate for being ground into pulvis, phosphorus pentoxide,
Ground phosphate rock and potassium chloride, stirring 15-25min are mixed, and are during which added water to adjust water content 30-40%, are granulated in granulating disc, grain
Diameter 3-4mm.
S034: according to weight: land plaster 3, urea 6, crosslinking agent 1 mix, and raw material is easy to get, and cost of material compares
Low, the urea of the land plaster of 3 parts by weight and 6 parts by weight guarantees the nutrition that soil is improved in the case where nitrogenous fertilizer abundance.In crosslinking agent
Under the action of strengthen each intermolecular connection, then plus the water of 3-5 times of its parts by weight, stirring diverging 30-40min is even to emulsus
Slurry is uniformly sprayed to the surface for the particle that 80-90 DEG C of the step S033 of preheating is obtained, and finally vegetable fertilizer can be obtained in drying
Material.
It preferably, include eight treasures (choice ingredients of certain special dishes) red-spotted stonecrop, ciliate desert-grass, fish to the plant that heavy metal has hyperaccumulation in the step S01
Raw meat grass, Ligustrum vicaryi, reed and sainfoin.
Preferably, the plant growth substance includes quick-acting diethyl aminoethyl hexanoates, compound sodium nitrophenolate, brassin, seaweed essence.
Preferably, the dosage of the plant growth substance are as follows:
Quick-acting diethyl aminoethyl hexanoates (DA-6): leaf surface spraying concentration 10-15mg/L；Compound sodium nitrophenolate: leaf surface spraying concentration 6-9mg/L；
Brassin: 1-2 grams/acre of foliage-spray, punching applies 30-50 grams/acre；Seaweed essence: 5-15g/ mus of foliage-spray, punching apply,
Base applies 100-300g/ mus.
Technical solution provided in an embodiment of the present invention may include it is following the utility model has the advantages that
The present invention provides a kind of heavy-metal contaminated soil ecological restoring method, in conjunction with life and ecological environment, present invention utilizes
The crop material that peasant discards produces the plant food containing biomass charcoal using unique preparation method, because of biomass
Charcoal has suction-operated, strengthens the aggregation of Heavy Metals in Contaminated Soils pollutant, has in plantation to heavy metal and absorbs, is rich
While the plant of collection effect, using movable plant seedling disk as planting matrix container, in matrix and pollution of surface soil
Mixed plant food is added in (ploughing plough) and increases the photosynthesis of plant while promoting plant growth, and has accumulated
Heavy metal contaminants in pollution of surface soil.The time for shortening plant growth increases the adsorbance of root system of plant again.It can
The easily replacement of plant food again of mobile plant seedling disk, greatly strengthens the function of restoration of the ecosystem.It protects at the same time
The double action for the environment that environment (processing of waste straw) is administered again under, beneficial effects of the present invention are very significant.Because adopting
With the waste straw of peasant, while waste utilization, it is prepared for biomass charcoal.There is biomass charcoal absorption to make simultaneously
With, the aggregation of heavy metal is strengthened, the absorption of plant is convenient to, while increasing Moveable packings, it is more convenient.Behaviour is reached
Make simply, effect is preferable, and is handled waste straw, a kind of ecological protection.
Detailed description of the invention
Illustrate the embodiment of the present invention or technical solution in the prior art in order to clearer, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it is clear that, to those skilled in the art, not
Under the premise of making the creative labor, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of life repaired using heavy-metal contaminated soil ecological restoring method provided in an embodiment of the present invention
State structural schematic diagram.
It is as shown in the figure: 1- plant, 2- surface contamination layer, 3- depth pollution layer, 4- plant seedling disk, 5- plant food, 6- alkali
Property solution injection device.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention below will be implemented the present invention
Technical solution in example is clearly and completely described, it is clear that described embodiment is only that present invention a part is implemented
Example, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not making creative work
Under the premise of every other embodiment obtained, protection scope of the present invention all should belong to.
It takes the pollution soil sample on original place surface layer to carry out Analysis of Heavy Metals and records.It is taken in 2-5 meters of ranges of 3 surroundings respectively
1*1m2Make implementation sample in plot.
Embodiment 1
The present embodiment provides a kind of heavy-metal contaminated soil ecological restoring methods, and described method includes following steps:
S01: plantation has the plant eight treasures (choice ingredients of certain special dishes) red-spotted stonecrop of hyperaccumulation to heavy metal in plant seedling disk, and steps are as follows for plantation:
S011: the plant eight treasures (choice ingredients of certain special dishes) red-spotted stonecrop to be planted is chosen；
S012: using seedling disk as planting container, seedling disk is interior to have water seepage hole, and size requires to determine according to the root system of plant of plantation
It is fixed；
S013: selection planting matrix, the planting matrix of the present embodiment are nutrient soil；Nutrient soil is that weight ratio is 7:2:1's
Vegetable fertilizer, biomass charcoal, potassium carbonate；
S014: planting matrix is packed into kind of seedling disk, by planting in planting matrix, planting matrix is in planting groove
Depth of cracking closure is determined by the planting requirement of plant；In the quick-acting diethyl aminoethyl hexanoates of eight treasures (choice ingredients of certain special dishes) red-spotted stonecrop foliage-spray after plantation, spraying concentration is
10mg/L；
S02: aqueous slkali is injected to contaminated soil using syringe, being adjusted to surface soil layer pH value is 8；
S03: plant food 450g being added into the surface soil layer of contaminated soil, and the plant food includes in parts by weight
70 parts of vegetable fertilizer, 20 parts of biomass charcoal, 10 parts of potassium carbonate, three mixes according to the ratio, stirs evenly；Wherein, biological
Matter charcoal the preparation method comprises the following steps:
S031: corn stover and rice straw are mixed, and 3 times of water is added to impregnate 8h, ball milling 30min at homogenate, after centrifugation will under
Layer precipitating dries to obtain pulvis；
S032: the pulvis that the step S031 is obtained is put into Muffle furnace under conditions of sealing starvation, 600 DEG C of temperature into
Row heating charing 5h, it is biomass charcoal that carbonizing production is obtained after being cooled to room temperature.
Vegetable fertilizer the preparation method comprises the following steps:
S033: being that 30 parts of attapulgite, 10 parts of castor shell, 10 parts of rape cake, 10 parts of swine excrement mixing are equal according to weight
It is even to obtain mixture, obtained mixture is then crushed into slagging, is uniformly added with the microbial fermentation decomposing agent of 0.5g
It states in slag charge, is stirred evenly with blender, stack 48 hours and be warming up to 60 °, decomposed material is made, is made using microbial fermentation
Ammonium sulfate 3g, phosphorus pentoxide 2g, ground phosphate rock 2g and the every 1m of potassium chloride 2g(for being ground into pulvis is added in decomposed material2It should not surpass
Cross 10g), stirring 15min is mixed, and water is during which added to adjust water content 30%, is granulated in granulating disc, partial size 3-4mm；
Then plus 3 times of its parts by weight S034: being 3 parts of land plaster, 6 parts of urea, 1 part of crosslinking agent mixing according to weight,
Water, stirring diverging 30min to emulsus are homogenized, and are uniformly sprayed to the table of the obtained particle of the step S033 of 80 DEG C of preheating
Face, finally vegetable fertilizer can be obtained in drying.
S04: the surface layer for turning over pollution, which is ploughed, plants soil, and the plant seedling disk that plant has been planted in the step S01 is placed in table
On the soil horizon of face.
Embodiment 2
The present embodiment provides a kind of heavy-metal contaminated soil ecological restoring methods, and described method includes following steps:
S01: plantation has the plant ciliate desert-grass of hyperaccumulation, implantation methods to heavy metal in plant seedling disk are as follows:
S011: the plant ciliate desert-grass to be planted is chosen；
S012: using seedling disk as planting container, seedling disk is interior to have water seepage hole, and size requires to determine according to the root system of plant of plantation
It is fixed；
S013: selection planting matrix, the planting matrix of the present embodiment are nutrient soil；Nutrient soil is that weight ratio is 7:2:1's
Vegetable fertilizer, biomass charcoal, calcium carbonate；
S014: planting matrix is packed into kind of seedling disk, by planting in planting matrix, planting matrix is in planting groove
Depth of cracking closure is determined by the planting requirement of plant；In ciliate desert-grass foliage-spray compound sodium nitrophenolate, spraying concentration 9mg/L after plantation；
S02: aqueous slkali is injected to contaminated soil using syringe, being adjusted to surface soil layer pH value is 10；
S03: plant food 500g being added into the surface soil layer of contaminated soil, and the plant food includes in parts by weight
70 parts of vegetable fertilizer, 20 parts of biomass charcoal, 10 parts of calcium carbonate, three mixes according to the ratio, stirs evenly；Wherein, biological
Matter charcoal the preparation method comprises the following steps:
S031: corn stover and rice straw are mixed, and 5 times of water is added to impregnate 10h, ball milling 40min at homogenate, after centrifugation will under
Layer precipitating dries to obtain pulvis；
S032: the pulvis that the step S031 is obtained is put into Muffle furnace under conditions of sealing starvation, 700 DEG C of temperature into
Row heating charing 7h, obtains carbonizing production biomass charcoal after being cooled to room temperature.
Vegetable fertilizer the preparation method comprises the following steps:
S033: being that 30 parts of attapulgite, 10 parts of castor shell, 10 parts of rape cake, 10 parts of swine excrement mixing are equal according to weight
It is even to obtain mixture, obtained mixture is then crushed into slagging, is uniformly added with the microbial fermentation decomposing agent of 0.5g
It states in slag charge, is stirred evenly with blender, stack and be warming up within 48 hours 60 °, the ammonium sulfate 3g for being ground into pulvis, five oxidations is added
Two phosphorus 2g, ground phosphate rock 2g and the every 1m of potassium chloride 2g(2No more than 10g), stirring 25min is mixed, and water is during which added to adjust water content
40%, it is granulated in granulating disc, partial size 4mm；
Then plus 5 times of its parts by weight S034: being 3 parts of land plaster, 6 parts of urea, 1 part of crosslinking agent mixing according to weight,
Water, stirring diverging 30-40min to emulsus are homogenized, and are uniformly sprayed to the particle of the step S033 of 90 DEG C of preheating reached
Surface, finally vegetable fertilizer can be obtained in drying.
S04: the plant seedling disk of plantation plant in the step S01 is placed on surface soil layer.
Embodiment 3
The present embodiment provides a kind of heavy-metal contaminated soil ecological restoring methods, and described method includes following steps:
S01: plantation has the plant cordate houttuynia of hyperaccumulation, implantation methods to heavy metal in plant seedling disk are as follows:
S011: the plant cordate houttuynia to be planted is chosen；
S012: using seedling disk as planting container, seedling disk is interior to have water seepage hole, and size requires to determine according to the root system of plant of plantation
It is fixed；
S013: selection planting matrix, the planting matrix of the present embodiment are nutrient soil；Nutrient soil is that weight ratio is 7:2:1's
Vegetable fertilizer, biomass charcoal, potassium carbonate；
S014: planting matrix is packed into kind of seedling disk, by planting in planting matrix, planting matrix is in planting groove
Depth of cracking closure is determined by the planting requirement of plant；In ciliate desert-grass foliage-spray brassin after plantation, spraying concentration is 1g/ mus；
S02: aqueous slkali is injected to contaminated soil using syringe, being adjusted to surface soil layer pH value is 10；
S03: plant food 480g is added into the surface soil layer of contaminated soil；The plant food includes in parts by weight
70 parts of vegetable fertilizer, 20 parts of biomass charcoal, 10 parts of potassium carbonate, three mixes according to the ratio, stirs evenly；Wherein, biological
Matter charcoal the preparation method comprises the following steps:
S031: corn stover and rice straw are mixed, and 4 times of water is added to impregnate 9h, ball milling 35min at homogenate, after centrifugation will under
Layer precipitating dries to obtain pulvis；
S032: the pulvis that the step S031 is obtained is put into Muffle furnace under conditions of sealing starvation, temperature 600-700
DEG C carry out heating charing 6h, after being cooled to room temperature carbonizing production biomass charcoal.
Vegetable fertilizer the preparation method comprises the following steps:
S033: being that 30 parts of attapulgite, 10 parts of castor shell, 10 parts of rape cake, 10 parts of swine excrement mixing are equal according to weight
It is even to obtain mixture, obtained mixture is then crushed into slagging, is uniformly added with the microbial fermentation decomposing agent of 0.5g
It states in slag charge, is stirred evenly with blender, stack and be warming up within 48 hours 60 °, the ammonium sulfate 3g for being ground into pulvis, five oxidations is added
Two phosphorus 2g, ground phosphate rock 2g and the every 1m of potassium chloride 2g(2No more than 10g), stirring 20min is mixed, and water is during which added to adjust water content
35%, it is granulated in granulating disc, partial size 4mm；
Then plus 5 times of its parts by weight S034: being 3 parts of land plaster, 6 parts of urea, 1 part of crosslinking agent mixing according to weight,
Water, stirring diverging 30-40min to emulsus are homogenized, and are uniformly sprayed to the particle of the step S033 of 85 DEG C of preheating reached
Surface, finally vegetable fertilizer can be obtained in drying.
S04: the plant seedling disk of plantation plant in the step S01 is placed on surface soil layer.
Control group 1
Provided in this embodiment is a kind of heavy metal pollution restorative procedure, with above-described embodiment 3 the difference is that, this comparison
Operation of the example without step S02, i.e., do not inject alkaline solution in contaminated soil, other tangent conditions are same as Example 3.
Control group 2
Provided in this embodiment is a kind of heavy metal pollution restorative procedure, with above-described embodiment 3 the difference is that, this comparison
Operation of the example without step S03, i.e., do not add plant food, other tangent conditions are same as Example 3.
Above-described embodiment and control group are compared, per two weeks carries out the harvesting of a root system and stem, progress of then doing experiment
Analysis of Heavy Metal, and the soil sample for extracting topsoil compares to obtain following result:
Known to comparing embodiment 3 and control group 1, control group 2:
The content of surface layer Heavy Metals in Contaminated Soils in the plot of alkaline injection is added (not inject alkaline molten with original state plot
The plot of liquid) content of beary metal it is almost the same, do not inject the content ratio of heavy metal in the topsoil in the plot of lye
The content bottom in original state plot.Due to P in soil H slant acidity, heavy metal is caused to precipitate into underground water.
Known to comparative example 3 and control group 1, control group 2:
It is mixed into the plot of plant food (embodiment 3 and control group 1), the root system of plant and stem of harvesting measure this by handling
The content that the content of beary metal of plant absorption is adsorbed considerably beyond the plant for not being mixed into plant food.Embodiment 3 is than control group 1
Root system after through processing and the content of beary metal in the residue of stem are slightly higher.It is not mixed into plant food (control group 2)
The obvious growth cycle of plant will be grown, and mature is slow.
It draws a conclusion, the plant growth being mixed into plant food was not only luxuriant but also swift and violent, and the ability adsorbed is substantially higher one
A bit.And the analysis of heavy metal is controlled by the effect of alkaline solution in the plot for being both mixed into plant food injection alkaline solution
Out, while absorption of the plant to it has been convenient in the adsorption capacity of biomass charcoal, the aggregation to heavy metal.Accelerate contaminated soil
Improvement, can greatly improve administer repair effect.Pollution plot can be allowed to restore its due purposes, economic effect can be brought
Benefit, have can bring it is healthy and safe.It is a kind of money of ecology again using discarded stalk as raw material by recycling common people simultaneously
Source recycles.While bringing some incomes to common people, and it can accelerate to ecological management step.Benefit of the invention is
It is visible, considerable.
Certainly, above description is also not limited to the example above, technical characteristic of the present invention without description can by or
It is realized using the prior art, details are not described herein；It is not to this that the above examples are only used to illustrate the technical scheme of the present invention
The limitation of invention, describes the invention in detail referring to preferred embodiment, and those skilled in the art should
Understand, the variations, modifications, additions or substitutions that those skilled in the art are made within the essential scope of the present invention
Without departure from spirit of the invention, it also should belong to claims of the invention.
Claims (6)
1. a kind of heavy-metal contaminated soil ecological restoring method, which is characterized in that described method includes following steps:
S01: plantation has the plant of hyperaccumulation to heavy metal in plant seedling disk, and the plant seedling disk is interior according to 7:2:1's
Vegetable fertilizer, biomass charcoal, potassium carbonate or calcium carbonate is added in weight ratio, and micro plant growth substance is added；
S02: aqueous slkali is injected to contaminated soil, makes surface soil layer pH value 8-10；
S03: the plant food for being mixed with biomass charcoal is added into the surface soil layer of contaminated soil；Wherein, the plant is supported
Material is in parts by weight including 70 parts of vegetable fertilizer, 20 parts of biomass charcoal, potassium carbonate or 10 parts of calcium carbonate；
S04: the plant seedling disk of the step S01 is placed on surface soil layer.
2. heavy-metal contaminated soil ecological restoring method according to claim 1, which is characterized in that the biomass charcoal
The preparation method comprises the following steps:
S031: corn stover and rice straw are mixed, and add 3-5 times of water immersion 8-10h, ball milling 30-40min at homogenate, from
Lower sediment is dried into obtain pulvis after the heart；
S032: the pulvis that the step S031 is obtained is put into Muffle furnace under conditions of sealing starvation, temperature 600-700
DEG C carry out heating charing 5-7h, after being cooled to room temperature carbonizing production biomass charcoal.
3. heavy-metal contaminated soil ecological restoring method according to claim 2, which is characterized in that in the step S03,
The vegetable fertilizer the preparation method comprises the following steps:
S033: being that 30 parts of attapulgite, 10 parts of castor shell, 10 parts of rape cake, 10 parts of swine excrement mixing are equal according to weight
It is even to obtain mixture, obtained mixture is then crushed into slagging, decomposed material is made using microbial fermentation, is separately added into powder
It is broken into ammonium sulfate 3g, phosphorus pentoxide 2g, ground phosphate rock 2g and the every 1m of potassium chloride 2g(of pulvis2No more than 10g), stir 15-
25min is mixed, and water is during which added to adjust to water content 30-40%, is granulated in granulating disc, partial size 3-4mm；
Then plus 3-5 times of its parts by weight S034: being 3 parts of land plaster, 6 parts of urea, 1 part of crosslinking agent mixing according to weight,
Water, stirring diverging 30-40min to emulsus is homogenized, and is uniformly sprayed to the particle that 80-90 DEG C of the step S033 of preheating is obtained
Surface, finally drying vegetable fertilizer can be obtained.
4. heavy-metal contaminated soil ecological restoring method according to claim 1, which is characterized in that in the step S01,
It include eight treasures (choice ingredients of certain special dishes) red-spotted stonecrop, ciliate desert-grass, cordate houttuynia, Ligustrum vicaryi, reed and sainfoin to the plant that heavy metal has hyperaccumulation.
5. heavy-metal contaminated soil ecological restoring method according to claim 1, which is characterized in that the plant growth substance
Including quick-acting diethyl aminoethyl hexanoates, compound sodium nitrophenolate, brassin, seaweed essence.
6. heavy-metal contaminated soil ecological restoring method according to claim 5, which is characterized in that the plant growth substance
Dosage are as follows:
Quick-acting diethyl aminoethyl hexanoates: leaf surface spraying concentration 10-15mg/L；Compound sodium nitrophenolate: leaf surface spraying concentration 6-9mg/L；
Brassin: 1-2 grams/acre of foliage-spray, punching applies 30-50 grams/acre；Seaweed essence: 5-15g/ mus of foliage-spray, punching apply,
Base applies 100-300g/ mus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653845.3A CN110340139A (en) | 2019-07-19 | 2019-07-19 | Heavy-metal contaminated soil ecological restoring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653845.3A CN110340139A (en) | 2019-07-19 | 2019-07-19 | Heavy-metal contaminated soil ecological restoring method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110340139A true CN110340139A (en) | 2019-10-18 |
Family
ID=68179234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910653845.3A Pending CN110340139A (en) | 2019-07-19 | 2019-07-19 | Heavy-metal contaminated soil ecological restoring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110340139A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878211A (en) * | 2019-11-08 | 2020-03-13 | 深圳柏施泰环境工程有限公司 | Soil heavy metal passivator, preparation method thereof and soil treatment agent |
| CN111869518A (en) * | 2020-07-10 | 2020-11-03 | 蔡木海 | Root system attached disc device based on heavy metal soil remediation and using method thereof |
| CN112240848A (en) * | 2020-10-16 | 2021-01-19 | 黑龙江省农业科学院土壤肥料与环境资源研究所 | Soil specimen repairing method |
| CN112715206A (en) * | 2020-12-29 | 2021-04-30 | 湖北省长江水生态研究院有限责任公司 | Device and method for culturing plant adsorbing heavy metal in bottom sediment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785538A (en) * | 2005-10-28 | 2006-06-14 | 中山大学 | Method of treating arsenic pollution of solid or water |
| CN101745520A (en) * | 2008-12-05 | 2010-06-23 | 中国科学院沈阳应用生态研究所 | Pb-pollution soil safe production method by utilizing low Pb-accumulation Chinese cabbage qiu'ao |
| JP2010179209A (en) * | 2009-02-04 | 2010-08-19 | Koizumi Co Ltd | Method of cleaning contaminated soil |
| CN102557348A (en) * | 2012-01-09 | 2012-07-11 | 中国环境科学研究院 | Soil remediation and sewage purification integrated ecological treatment device |
| CN103975788A (en) * | 2014-04-24 | 2014-08-13 | 浙江工商大学 | Microbial fuel cell bonsai and method for in-situ hexavalent chromium-polluted soil remediation |
| CN104609960A (en) * | 2015-01-23 | 2015-05-13 | 安徽强农牧业有限公司 | Flower fertilizer prepared from carbonized straws and preparation method of flower fertilizer |
| CN107695088A (en) * | 2017-10-27 | 2018-02-16 | 盛世园林集团股份有限公司 | The method that As Cd combined pollution agricultural land soils are repaired using super enriching plant biomass carbon combined system |
| CN208874898U (en) * | 2018-09-25 | 2019-05-21 | 苗夫生态建设有限公司 | Potting embedded base structure for soil pollution reparation |
-
2019
- 2019-07-19 CN CN201910653845.3A patent/CN110340139A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1785538A (en) * | 2005-10-28 | 2006-06-14 | 中山大学 | Method of treating arsenic pollution of solid or water |
| CN101745520A (en) * | 2008-12-05 | 2010-06-23 | 中国科学院沈阳应用生态研究所 | Pb-pollution soil safe production method by utilizing low Pb-accumulation Chinese cabbage qiu'ao |
| JP2010179209A (en) * | 2009-02-04 | 2010-08-19 | Koizumi Co Ltd | Method of cleaning contaminated soil |
| CN102557348A (en) * | 2012-01-09 | 2012-07-11 | 中国环境科学研究院 | Soil remediation and sewage purification integrated ecological treatment device |
| CN103975788A (en) * | 2014-04-24 | 2014-08-13 | 浙江工商大学 | Microbial fuel cell bonsai and method for in-situ hexavalent chromium-polluted soil remediation |
| CN104609960A (en) * | 2015-01-23 | 2015-05-13 | 安徽强农牧业有限公司 | Flower fertilizer prepared from carbonized straws and preparation method of flower fertilizer |
| CN107695088A (en) * | 2017-10-27 | 2018-02-16 | 盛世园林集团股份有限公司 | The method that As Cd combined pollution agricultural land soils are repaired using super enriching plant biomass carbon combined system |
| CN208874898U (en) * | 2018-09-25 | 2019-05-21 | 苗夫生态建设有限公司 | Potting embedded base structure for soil pollution reparation |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110878211A (en) * | 2019-11-08 | 2020-03-13 | 深圳柏施泰环境工程有限公司 | Soil heavy metal passivator, preparation method thereof and soil treatment agent |
| CN111869518A (en) * | 2020-07-10 | 2020-11-03 | 蔡木海 | Root system attached disc device based on heavy metal soil remediation and using method thereof |
| CN112240848A (en) * | 2020-10-16 | 2021-01-19 | 黑龙江省农业科学院土壤肥料与环境资源研究所 | Soil specimen repairing method |
| CN112715206A (en) * | 2020-12-29 | 2021-04-30 | 湖北省长江水生态研究院有限责任公司 | Device and method for culturing plant adsorbing heavy metal in bottom sediment |
| CN112715206B (en) * | 2020-12-29 | 2022-08-16 | 湖北省长江水生态研究院有限责任公司 | Device and method for culturing plants adsorbing heavy metals in bottom mud |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110340139A (en) | Heavy-metal contaminated soil ecological restoring method | |
| CN104056852B (en) | The chemistry of compound heavy-metal contaminated soil and microbial association restorative procedure and application | |
| CN107759392A (en) | A kind of improvement soil property matches somebody with somebody fertile auxiliary material and its production method | |
| CN103708982B (en) | Organic-inorganic compound fertilizer capable of functionally improving soil and production method thereof | |
| CN106242892A (en) | A kind of alkaline land modifying agent and preparation method thereof | |
| CN104926530A (en) | High-efficiency biological organic fertilizer for organic crops and preparation method thereof | |
| CN106083313A (en) | A kind of composite microbiological fertilizer and preparation method thereof | |
| CN112794758A (en) | Special biochar-based fertilizer for improvement of beach saline-alkali soil and preparation method and application thereof | |
| CN106905980A (en) | A kind of heavy metal sewage sludge soil-repairing agent, preparation method and its application in sludge is dissolved | |
| CN103958444A (en) | Fluid ionized compositions, methods of preparation and uses thereof | |
| CN110407649A (en) | A kind of multiple-effect renovation agent of heavy-metal contaminated soil and preparation method thereof | |
| CN107417403A (en) | A kind of salt resistance alkali long-term stability fertilizer and preparation method thereof | |
| CN101817702A (en) | Special bio-organic fertilizer for peaches and preparation method thereof | |
| CN106083493A (en) | A kind of composite microbiological fertilizer reducing Nicotiana tabacum L. underground pest and disease damage and preparation method thereof | |
| CN107721658A (en) | A kind of fertilizer synergistic conditioning agent and its production method | |
| CN102040434B (en) | Method for producing compound microbial fertilizer by microbial inoculum packing method | |
| CN107721656A (en) | A kind of fertilizer synergistic additive and its production method | |
| CN108002918A (en) | A kind of special poultry manure biological organic fertilizer in salt-soda soil | |
| CN107721657A (en) | A kind of solid fertilizer synergist and its production method | |
| CN105272731A (en) | Soil amendment for processing geological hazards and preparation method thereof | |
| CN107129327A (en) | Microbial manure and preparation method thereof | |
| CN107698363A (en) | Expelling parasite type fertilizer synergistic conditioning agent and its production method | |
| CN113292376A (en) | Straw carbon-based microbial flower fertilizer and preparation method and application thereof | |
| CN107673902A (en) | It is a kind of to match somebody with somebody fertile auxiliary material and its production method with expelling parasite and slow releasing function | |
| CN102040430B (en) | Method for producing compound microbial fertilizer with insecticidal effect |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191018 |
|
| RJ01 | Rejection of invention patent application after publication |