CN106111687A - The application in heavy-metal contaminated soil is improved of a kind of charcoal based composition and use thereof in packaging - Google Patents
The application in heavy-metal contaminated soil is improved of a kind of charcoal based composition and use thereof in packaging Download PDFInfo
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- CN106111687A CN106111687A CN201610446794.3A CN201610446794A CN106111687A CN 106111687 A CN106111687 A CN 106111687A CN 201610446794 A CN201610446794 A CN 201610446794A CN 106111687 A CN106111687 A CN 106111687A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/02—Soil-conditioning materials or soil-stabilising materials containing inorganic compounds only
- C09K17/06—Calcium compounds, e.g. lime
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2101/00—Agricultural use
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2109/00—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE pH regulation
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Processing Of Solid Wastes (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention belongs to soil remediation field, particularly relate to the application in heavy-metal contaminated soil is improved of a kind of charcoal based composition and use thereof in packaging.The invention provides a kind of charcoal based composition and use thereof in packaging, the raw material of described charcoal based composition and use thereof in packaging is: charcoal and alkaline conditioner；Described charcoal is prepared by agriculture and forestry organic waste material.Present invention also offers the application in soil improvement of a kind of above-mentioned charcoal based composition and use thereof in packaging, present invention also offers the application in reducing heavy metal in soil content of a kind of above-mentioned charcoal based composition and use thereof in packaging.Can obtain through measuring, the technical scheme that the present invention provides, can effectively reduce the content of heavy metal in soil, improve the pH of soil, further, improve the yield of soil institute Planting Crops.Solve in prior art, the technological deficiency that repairing heavy metal pollution is primarily present repairing effect instability, the persistent period is not grown.Meanwhile, a kind of charcoal based composition and use thereof in packaging that the present invention provides, also have with low cost, be conveniently easy to get and the advantage that do not results in secondary pollution.
Description
Technical field
The invention belongs to soil remediation field, particularly relate to a kind of charcoal based composition and use thereof in packaging and improve at heavy-metal contaminated soil
In application.
Background technology
Along with Chinese Urbanization and the quickening of process of industrialization, the discharge day of the Industrial " three Waste "s such as plating, iron and steel and printing and dyeing
Benefit increases, and uses containing the pesticide of heavy metal, the unreasonable of chemical fertilizer in agricultural production so that heavy metal by various not
Same approach enters soil." whole nation soil regime investigation publication " of promulgation is combined according to 2015 Environmental Protection Departments and Ministry of Land and Resources
Pointing out, farmland soil heavy metals exceeds standard and reaches 19.4%, and contaminated area increases year by year, serious threat health and grain peace
Entirely.Therefore, restoration of soil polluted by heavy metal the most effectively, maintain the sustainable use of soil, it has also become China is mostly
District needs the prominent environmental problem of solution badly.
In-situ immobilization and showering can be divided into by the soil restoring technology of heavy metal pollution at present, due to have economy and
The advantage can repaired deep layer contaminated soil, in-situ immobilization receives the extensive concern of people.Use calculogenesis traditionally
The alkaline matters such as ash, flyash, slag powders, steel-making slag powder are source material, by turning over, the mode such as stirring by upper soll layer with repair material
Material mix homogeneously.But, the general raw material of these alkaline matters is rare, relatively costly, or belongs to chemical products, is easily caused two secondary rings
Environment pollution, it is difficult to large-scale promotion application.Additionally, use these alkaline matters can cause soil compaction in large quantities for a long time, also can
Cause the dysequilibrium of the element such as Ca, Mg, K in soil, thus cause repairing effect to be not sufficiently stable, the persistent period the longest, not
Can reach to recover the effect of fertility.
In recent years, charcoal is owing to having porous, high-specific surface area, stronger surface adsorption, elevated chemical inertia and virtue
Sweetening treatment structure, and rich in characteristics such as functional group such as hydroxyl, phenolic hydroxyl group and carboxyls, it becomes in terms of soil improvement with environmental conservation
Focus for research both at home and abroad.Existing research and utilization peat and the compounding charcoal base soil of preparing of the alkaline conditioner such as alkaline residue, Calx are adjusted
Reason agent, for administering the soil of heavy metal pollution.On the one hand the prominent biochemistry stability of charcoal, stronger water holding are utilized
Nutrient preserving capability and the extremely strong characterization of adsorption of heavy metal, needed for combining the provided crops of alkaline conditioner such as performance alkaline residue simultaneously
The nutrients such as Ca, Mg, it is achieved both the passivation to heavy metal-polluted soil was repaired simultaneously, can improve again soil acidity, improves soil and supports
Divide thus promote plant growth, improve crop yield and quality.But, mud typically contains heavy metal and organic pollution etc.
, there is huge environmental risk in harmful substance.
Therefore, develop and a kind of stablize environmental protection efficiently for the charcoal base soil conditioner of heavy-metal contaminated soil, be used for
Solving in prior art, restoration of soil polluted by heavy metal is primarily present the technology such as repairing effect is unstable, the persistent period is not long
Defect, becomes those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides the application in heavy-metal contaminated soil is improved of a kind of charcoal based composition and use thereof in packaging,
For solving in prior art, the technology that repairing heavy metal pollution is primarily present repairing effect instability, the persistent period is not grown
Defect.
The invention provides a kind of charcoal based composition and use thereof in packaging, the raw material of described charcoal based composition and use thereof in packaging is: charcoal and alkali
Property regulator；Described charcoal is prepared by agriculture and forestry organic waste material.
Preferably, in terms of mass parts, the raw material of described charcoal based composition and use thereof in packaging is: charcoal 10 parts and alkaline conditioner 1
～3 parts.
Preferably, described agriculture and forestry organic waste material is selected from: wood flour, rice husk, Chinese medicine slag, Pericarppium arachidis hypogaeae, corn straw, wheat stalk,
One or more in coconut shred and Petiolus Trachycarpi silk.
Preferably, described alkaline conditioner is: soda-manufacturing waste residue and/or Calx.
Preferably, the pH of described alkaline conditioner is 10～12.
Preferred described alkaline conditioner also includes: calcium containing compound, magnesium-containing compound and silicon-containing compound.
Preferably, described alkaline residue is: the industrial residue powder being dried after ammonia-soda process soda, in described alkaline residue
CaO content is more than or equal to 39%, and the content of MgO in described alkaline residue is more than or equal to 10%, the SiO in described alkaline residue2It is more than or equal to
2%.
Preferably, the CaO content in described Calx is more than or equal to 40%, and the content of MgO in described Calx is more than or equal to
24%, the SiO in described Calx2More than or equal to 2%.
Present invention also offers and a kind of include that the described charcoal based composition and use thereof in packaging of any of the above one is in soil improvement
Application.
Present invention also offers a kind of charcoal based composition and use thereof in packaging weight in reducing soil including that any of the above one is described
Application in tenor.
Present invention also offers a kind of charcoal based composition and use thereof in packaging weight in reducing soil including that any of the above one is described
Application in tenor.
In sum, compared with existing remediation of heavy metal-contaminated soil, the charcoal based composition and use thereof in packaging of the present invention and
Application has the advantage that
1, notable to heavy metal pollution of soil repairing effect.The present invention relies on that charcoal surface texture is loose porous, compare table
Area is big, the characteristics such as absorbability is stronger, it is possible to long-acting, the stable heavy metal in passivation agricultural land soil, reduces its biologically effective
Property, utilize the alkaline conditioners such as alkaline residue can increase calcium in soil, magnesium element content simultaneously, and then increase soil fertility, regulate pH
Value, improves soil aggregate, reaches the effect in comprehensive improvement heavy metal pollution farmland.
2, raw material sources are extensive, and production technology is simple.The raw materials such as the charcoal of the present invention and alkaline residue are discarded selected from industrial or agricultural
Thing, wide material sources, technique is simple, with low cost.
3, safety and environmental protection, environmentally friendly.The charcoal based composition and use thereof in packaging of present invention employing and application process thereof, it is also possible to increase
Add soil carbon sink, reduce the discharge of greenhouse gases.Raw material used, through harmless treatment, will not produce in application process
Secondary pollution.
In sum, the invention provides a kind of charcoal based composition and use thereof in packaging, the raw material of described charcoal based composition and use thereof in packaging is: raw
Thing charcoal and alkaline conditioner；Described charcoal is prepared by agriculture and forestry organic waste material.Present invention also offers a kind of above-mentioned charcoal basis set
Compound application in soil improvement, present invention also offers a kind of above-mentioned charcoal based composition and use thereof in packaging and is reducing heavy metal in soil
Application in content.Can obtain through measuring, the technical scheme that the present invention provides, can effectively reduce containing of heavy metal in soil
Amount, improves the pH of soil, further, improves the yield of soil institute Planting Crops.Solve in prior art, repair a huge sum of money
Belong to the technological deficiency that pollution is primarily present repairing effect instability, the persistent period is not grown.Meanwhile, what the present invention provided is a kind of raw
Thing charcoal based composition and use thereof in packaging, also have with low cost, be conveniently easy to get and the advantage that do not easily causes secondary pollution.
Detailed description of the invention
The invention provides the application in heavy-metal contaminated soil is improved of a kind of charcoal based composition and use thereof in packaging, be used for solving now
Have in technology, the technological deficiency that repairing heavy metal pollution is primarily present repairing effect instability, the persistent period is not grown.
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under not making creative work premise, broadly falls into the model of present invention protection
Enclose.
In order to the present invention is described in more detail, a kind of charcoal based composition and use thereof in packaging provided the present invention below in conjunction with embodiment exists
Application in heavy-metal contaminated soil improvement, is specifically described.
Embodiment 1
After weighing wood flour 1000g, ovendry power is broken to particle diameter and is less than 25mm, inserts atmosphere batch-type furnace, is passed through nitrogen after evacuation
Gas, as protective gas, is warming up to 220 DEG C with the speed of 6 DEG C/min, stops 30min, is then warming up to 550 DEG C with 2 DEG C/min
After, it is incubated 3 hours, after grinding, crosses 20 mesh sieves, with lmol/L soak with hydrochloric acid 3 hours, prepare wood flour charcoal after washing and drying, i.e.
It is the first intermediate products 1.
Weigh soda-manufacturing waste residue 100g, dry and pulverize, cross 60 mesh sieves, prepare the second intermediate products 1.
250g the first intermediate products 1 are mixed with 50g the second intermediate products 1, crosses 100 mesh sieves after drying, prepare product 1.
Embodiment 2
After weighing rice husk 1000g, ovendry power is broken to particle diameter and is less than 10mm, inserts vacuum tube furnace, is passed through nitrogen after evacuation
Gas, as protective gas, is warming up to 250 DEG C with 8 DEG C/min, stops 25min, after being then warming up to 550 DEG C with 3 DEG C/min, and insulation
2 hours, ground 100 mesh sieves, with 3mol/L soak with hydrochloric acid 1 hour, prepare rice husk charcoal after washing and drying, be in first
Between product 2.
Weigh Calx 100g, dry and pulverize, cross 60 mesh sieves, prepare the second intermediate products 2.
300g the first intermediate products 2 are mixed with 30g the second intermediate products 2, crosses 80 mesh sieves after drying, prepare product 2.
Embodiment 3
After weighing corn straw 1000g, ovendry power is broken to particle diameter and is less than 10mm, inserts atmosphere batch-type furnace, logical after evacuation
Enter nitrogen as protective gas, be warming up to 260 DEG C with 10 DEG C/min, stop 45min, be then warming up to 750 DEG C with 2 DEG C/min
After, it is incubated 1 hour, ground 100 mesh sieves, with 2mol/L soak with hydrochloric acid 2 hours, after washing and drying, prepare cornstalk biological
Charcoal, is the first intermediate products 3.
Weigh soda-manufacturing waste residue 100g, dry and pulverized 60 mesh sieves, prepare the second intermediate products 3.
200g the first intermediate products 3 are mixed with 60g the second intermediate products 3, crosses 80 mesh sieves after drying, prepare product 3.
Embodiment 4
Weigh wheat stalk 1000g, after, ovendry power is broken to particle diameter and is less than 15mm, inserts atmosphere batch-type furnace, logical after evacuation
Enter nitrogen as protective gas, be warming up to 240 DEG C with 6 DEG C/min, stop 55min, after being then warming up to 550 DEG C with 4 DEG C/min,
It is incubated 1 hour, ground 20 mesh sieves, with 1mol/L soak with hydrochloric acid 1 hour, prepare wheat straw biologic charcoal after washing and drying, i.e.
It is the first intermediate products 4.
Weigh soda-manufacturing waste residue 100g and Calx 100g fully to mix, dry and after pulverizing, cross 60 mesh sieves, prepare and produce in the middle of second
Product 4.
300g the first intermediate products 4 are mixed with 30g the second intermediate products 4, crosses 20 mesh sieves after drying, prepare product 4.
Embodiment 5
After weighing the Pericarppium arachidis hypogaeae 1000g dried, ovendry power is broken to particle diameter and is less than 25mm, inserts vacuum tube furnace, evacuation
After be passed through nitrogen as protective gas, be warming up to 250 DEG C with 10 DEG C/min, stop 20min, be then warming up to 350 with 3 DEG C/min
After DEG C, it is incubated 3 hours, ground 60 mesh sieves, with 3mol/L soak with hydrochloric acid 2 hours, after washing and drying, prepare peanut hull biologic charcoal,
It is the first intermediate products 5.
Weigh Calx 100g, dry and pulverized 60 mesh sieves, prepare the second intermediate products 5.
250g the first intermediate products 5 are mixed with 50g the second intermediate products 5, crosses 60 mesh sieves after drying, prepare product 5.
Embodiment 6
After weighing the Petiolus Trachycarpi silk 1000g of roguing, ovendry power is broken to particle diameter and is less than 20mm, inserts vacuum tube furnace, evacuation
After be passed through nitrogen as protective gas, be warming up to 230 DEG C with 8 DEG C/min, stop 45min, be then warming up to 650 with 2 DEG C/min
After DEG C, it is incubated 2 hours, ground 20 mesh sieves, with 1mol/L soak with hydrochloric acid 6 hours, after washing and drying, prepare Petiolus Trachycarpi silk charcoal,
It is the first intermediate products 6.
Weigh soda-manufacturing waste residue 100g, dry and pulverized 60 mesh sieves, prepare the second intermediate products 6.
200g the first intermediate products 6 are mixed with 60g the second intermediate products 6, crosses 100 mesh sieves after drying, prepare product 6.
Embodiment 7
The present embodiment is the beneficial effect determination experiment of product 6.
The test site of the present embodiment is positioned at Dong Tang town, Renhua County, Shaoguan City of Guangdong Province, selects typical characteristic of acid red soil and is subject to
Lead, cadmium heavy-metal contaminated soil plot, soil pH value is 4.87, and effective lead content is 439.4mg/kg, and effective cadmium content is
6.56mg/kg.Judging according to standard of soil environment quality (GB15618-1995), its level of pollution exceedes soil environment quality two
Grade standard.It is that Crop Institute, Guangdong Academy of Agricultural Sciences has identified corn variety (sweet No. 9 of Guangdong) for studying thing.
This mensuration is divided into into four matched groups.Group 1: comparison (CK), does not execute charcoal based composition and use thereof in packaging；Group 2: Semen Maydis
The disposable Petiolus Trachycarpi silk charcoal applying 667kg/ mu before plantation；Group 3: disposable applying 200kg/ mu alkalescence before corn planting
Regulator；Group 4: disposable applying 667kg/ per mu yield product 6 before corn planting.Each process repeats for 3 times, and random alignment is each
Plot area is 2m*10m=20m2。
Before corn seeding, each process modifying agent is turned over topsoil, harrow even, trickle back balance 7 days, sowing jade
Rice, after emerging, each field management processed and nutrient management are consistent, to harvest corn, gather this field topsoil (0-
30cm), analyze soil pH and effective content of beary metal such as lead, effective cadmium, add up each process corn yield and seed lead, cadmium
Deng content of beary metal, to investigate the effect in charcoal based composition and use thereof in packaging improvement heavy metal pollution farmland.Gained testing result refers to
Table 1 to table 3.
Table 1: soil pH and content of beary metal
Table 2: corn yield
Table 3: content of beary metal in niblet
Table 1 result of the test shows, applying charcoal and alkaline conditioner all can improve the pH value of soil, and ratio comparison increases respectively
Add 0.42 and 1.46 unit；And product 6 applies effect best, its pH value adds 2.04 units than comparison.Table 1 result
Also show, singly execute charcoal and alkaline conditioner all can significantly reduce the effective lead of soil and effective cadmium content, containing of its effective lead
Amount reduces 11.3% and 26.4% than comparison respectively, and effective cadmium reduces 23.9% and 37.6% the most respectively；And the changing of product 6
Good best results, the effective lead of its soil and effective cadmium content reduce 41.5% and 54.3% than comparison respectively.
From table 2 and table 3, add charcoal, alkaline conditioner and all can dramatically increase the yield of Semen Maydis.Product 6 increases production
Effect is to a certain degree better than singly executing charcoal or alkaline conditioner, and its community average product is 4.95 times of comparison, equivalent per mu yield
1100.2 kilograms every mu, though and the limitation of corn kernel not up to food sanitation safe standard gathered in the crops require (lead≤
0.2mg/kg；Cadmium≤0.1mg/kg), but its lead and cadmium content reduce 58.9% and 81.4%, to Semen Maydis respectively than comparison
Quality tool improves significantly.
Visible, that the present invention provides technical scheme, contains by improving soil pH value and the reduction effective lead of soil, effective cadmium
Amount, it is achieved that the improvement of soil physico-chemical property, promotes the growth of Semen Maydis and then improves the yield and quality of Semen Maydis, and test
Effect all effective than the application singly executing charcoal or alkaline conditioner, sustainable stable and reduce heavy metal-polluted soil and life thereof
Thing effectiveness, it is achieved the physicochemical property of improvement south heavy-metal contaminated soil, preferably recovers the productivity in farmland, improves farming
Produce amount and the effect of quality.
Product 1～product 5 are repeated above-mentioned experiment, obtains the experimental result being similar to, do not repeat them here.
In sum, the invention provides a kind of charcoal based composition and use thereof in packaging, the raw material of described charcoal based composition and use thereof in packaging is: raw
Material and alkaline conditioner；Described biomass any one or more in agriculture and forestry organic waste material.Present invention also offers one
Plant the application in soil improvement of the above-mentioned charcoal based composition and use thereof in packaging, present invention also offers a kind of above-mentioned charcoal based composition and use thereof in packaging and exist
Reduce the application in heavy metal in soil content.Can obtain through measuring, the technical scheme that the present invention provides, can effectively reduce soil
The content of heavy metal in earth, improves the pH of soil, further, improves the yield of the crops that soil is planted.Solve existing
Have in technology, the technological deficiency that repairing heavy metal pollution is primarily present repairing effect instability, the persistent period is not grown.Meanwhile,
A kind of charcoal based composition and use thereof in packaging that the present invention provides, also have with low cost, be conveniently easy to get and do not easily cause secondary pollution
Advantage.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a charcoal based composition and use thereof in packaging, it is characterised in that the raw material of described charcoal based composition and use thereof in packaging is: charcoal and alkalescence are adjusted
Joint agent；
Described charcoal is prepared by agriculture and forestry organic waste material.
Charcoal based composition and use thereof in packaging the most according to claim 1, it is characterised in that in terms of mass parts, described charcoal is basis set
The raw material of compound is: charcoal 10 parts and alkaline conditioner 1～3 parts.
Charcoal based composition and use thereof in packaging the most according to claim 1, it is characterised in that described agriculture and forestry organic waste material is selected from: wood flour, paddy
One or more in shell, Chinese medicine slag, Pericarppium arachidis hypogaeae, corn straw, wheat stalk, coconut shred and Petiolus Trachycarpi silk.
Charcoal based composition and use thereof in packaging the most according to claim 1, it is characterised in that described alkaline conditioner is: soda-manufacturing waste residue
And/or Calx.
Charcoal based composition and use thereof in packaging the most according to claim 4, it is characterised in that the pH of described alkaline conditioner be 10～
12。
Charcoal based composition and use thereof in packaging the most according to claim 4, it is characterised in that described alkaline conditioner also includes: calcic
Compound, magnesium-containing compound and silicon-containing compound.
Charcoal based composition and use thereof in packaging the most according to claim 4, it is characterised in that described alkaline residue is: ammonia-soda process soda
The rear industrial residue powder being dried, the CaO content in described alkaline residue is more than or equal to 39%, and the content of MgO in described alkaline residue is big
In the SiO equal to 10%, in described alkaline residue2More than or equal to 2%.
Charcoal based composition and use thereof in packaging the most according to claim 4, it is characterised in that the CaO content in described Calx is more than
In 40%, the content of MgO in described Calx is more than or equal to 24%, the SiO in described Calx2More than or equal to 2%.
9. the charcoal based composition and use thereof in packaging that a kind includes described in claim 1 to 8 any one application in soil improvement.
10. the charcoal based composition and use thereof in packaging that a kind includes described in claim 1 to 8 any one is reducing heavy metal in soil content
In application.
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| CN201610446794.3A CN106111687A (en) | 2016-06-17 | 2016-06-17 | The application in heavy-metal contaminated soil is improved of a kind of charcoal based composition and use thereof in packaging |
| CN201911185698.8A CN111100645A (en) | 2016-06-17 | 2016-06-17 | Biochar-based composition and preparation method and application thereof |
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Cited By (13)
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| CN106929022A (en) * | 2017-03-06 | 2017-07-07 | 广东省农业科学院农业资源与环境研究所 | The soil conditioner and method of heavy metal Cd content in a kind of reduction Brown Rice |
| CN106964643A (en) * | 2017-03-24 | 2017-07-21 | 中国科学院生态环境研究中心 | A kind of method that abandoned biomass prepares combined contamination soil in-situ immobilization agent |
| CN107011906A (en) * | 2017-03-24 | 2017-08-04 | 中国科学院生态环境研究中心 | A kind of hydro-thermal charcoal base heavy-metal contaminated soil in-situ immobilization agent and preparation method thereof |
| CN107021714A (en) * | 2017-04-14 | 2017-08-08 | 东南大学 | A kind of curing agent and methods for making and using same for heavy metal polluted soil |
| CN107891060A (en) * | 2017-12-29 | 2018-04-10 | 大连润鸣材料技术有限公司 | The method for repairing petroleum hydrocarbon contaminated soil |
| CN108329915A (en) * | 2017-12-21 | 2018-07-27 | 南京信息工程大学 | A kind of acidification red soil improving agent and its preparation and application based on maize straw |
| CN108641722A (en) * | 2018-05-22 | 2018-10-12 | 江西农业大学 | A kind of soil improvement method of rare-earth tailing |
| CN108676564A (en) * | 2018-08-20 | 2018-10-19 | 沂南县迎辉农业开发有限公司 | A kind of acidic soil conditioner and preparation method being suitable for by heavy metal pollution |
| CN110063224A (en) * | 2019-05-30 | 2019-07-30 | 湖南省作物研究所 | A kind of In Cadmium Polluted Area spring open country watermelon-autumn corn safety in production rotation system |
| CN110129059A (en) * | 2019-05-09 | 2019-08-16 | 南昌航空大学 | A kind of preparation method and system of soil remediation passivator |
| CN111303900A (en) * | 2020-03-25 | 2020-06-19 | 广东省农业科学院农业资源与环境研究所 | Modified charcoal-based soil conditioner for repairing Cd pollution and preparation method and application thereof |
| CN113621376A (en) * | 2021-07-21 | 2021-11-09 | 湖南农业大学 | Soil conditioner, preparation method thereof and soil conditioning method |
| CN114058507A (en) * | 2021-10-21 | 2022-02-18 | 东莞理工学院 | Carbon-coupled compound microbial inoculum and preparation method and application thereof |
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| CN105594529A (en) * | 2015-12-21 | 2016-05-25 | 湖南永清环保研究院有限责任公司 | Method for reducing content of cadmium in rice |
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