CN105713616A - Cadmium contaminated soil restoring agent and using method and application thereof - Google Patents
Cadmium contaminated soil restoring agent and using method and application thereof Download PDFInfo
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- CN105713616A CN105713616A CN201610080916.1A CN201610080916A CN105713616A CN 105713616 A CN105713616 A CN 105713616A CN 201610080916 A CN201610080916 A CN 201610080916A CN 105713616 A CN105713616 A CN 105713616A
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- soil
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- cadmium pollution
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- 239000002689 soil Substances 0.000 title claims abstract description 80
- 229910052793 cadmium Inorganic materials 0.000 title claims abstract description 36
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002028 Biomass Substances 0.000 claims abstract description 15
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 14
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052979 sodium sulfide Inorganic materials 0.000 claims abstract description 14
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010457 zeolite Substances 0.000 claims abstract description 14
- 239000003814 drug Substances 0.000 claims description 22
- 239000010902 straw Substances 0.000 claims description 17
- 238000009418 renovation Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 12
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 12
- 239000000292 calcium oxide Substances 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 238000007158 vacuum pyrolysis Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 6
- 238000000197 pyrolysis Methods 0.000 claims description 5
- 230000008439 repair process Effects 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 2
- 239000013618 particulate matter Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000003610 charcoal Substances 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000006722 reduction reaction Methods 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract 1
- 238000004062 sedimentation Methods 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 229910001385 heavy metal Inorganic materials 0.000 description 10
- 238000003900 soil pollution Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 238000005067 remediation Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- YVGGHNCTFXOJCH-UHFFFAOYSA-N DDT Chemical compound C1=CC(Cl)=CC=C1C(C(Cl)(Cl)Cl)C1=CC=C(Cl)C=C1 YVGGHNCTFXOJCH-UHFFFAOYSA-N 0.000 description 1
- 206010033307 Overweight Diseases 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229960002643 clofenotane Drugs 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005186 environmental transport Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 235000020825 overweight Nutrition 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- 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)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention provides a cadmium contaminated soil restoring agent.The restoring agent is prepared from, by weight, 30-35% of biomass charcoal, 10-20% of iron powder, 10-20% of plant ash, 10-20% of sodium sulfide and 10-20% of zeolite.The synergistic effect is brought into full play through all the ingredients, effective state cadmium in soil can be greatly lowered through reduction, sedimentation, adsorption, improvement, PH value adjustment and the like, the obtained soil restoring agent has the good effect when restoring cadmium contaminated soil, and the restoring agent has the advantages that the preparation method is simple, feasible and good in treatment effect.
Description
Technical field:
The present invention relates to soil pollution recovery technique field, be specifically related to a kind of cadmium pollution soil renovation agent and make
Use methods and applications.
Technical background:
Heavy metal pollution of soil the most gradually becomes the focal issue of public concern.
" whole nation Soil Pollution Investigation publication " within 2014, is announced aobvious according to Environmental Protection Department and Ministry of Land and Resources
Show: whole nation soil environment situation totally allows of no optimist, and some areas soil pollution is heavier, arable soil environment matter
Amount causes anxiety, industry and mining discarded ground soil environment outstanding problem.The human activity such as industry and mining, agricultural and soil ring
Border background value height is to cause soil pollution or the main cause exceeded standard.The whole nation total exceeding standard rate of soil is 16.1%,
Wherein slight, slight, moderate and serious pollution point position ratio are respectively 11.2%, 2.3%, 1.5% and 1.1%.
Pollution type is based on inorganic type, and organic type takes second place, and compound pollution proportion is less, and inorganic pollution exceeds standard a little
Figure place accounts for the 82.8% of all super punctuation bits.
From polluting in terms of distribution situation, soils in south china pollutes and overweights the north；Yangtze River Delta, the Delta of the Pearl River, east
The subregion soil contamination problem such as old industrial bases, north are the most prominent, and southwest, variable charge soil heavy metal surpass
Mark scope is bigger；Cadmium, hydrargyrum, arsenic, 4 kinds of level of inorganic contaminants distributions of lead present from northwest to the southeast, from east
The situation that north gradually rises to southwestward.
Major pollutants are cadmium, nickel, copper, arsenic, hydrargyrum, lead, clofenotane and polycyclic aromatic hydrocarbon.If it is complete with second time
State's soil survey result is as the criterion, and China's arable land latest data is 2,030,770,000 mu and calculates, middle serious pollution
Cultivated area accounts for 2.9%, has reached 58,890,000 mu.
Administering method currently for heavy metal pollution of soil mainly has immobilization/stabilisation, elution method, washes soil
Method, electromotion repairing technique method, chemical reduction method, phytoremediation, microorganism remediation.But overall existence repairs effect
The problems such as rate is low, processing cost is high.
Therefore, it is necessary to learn from other's strong points to offset one's weaknesses from existing various methods, a kind of soil remediation medicament of invention.
Summary of the invention:
The technical problem to be solved be to provide a kind of prepare be simple and convenient to operate, effective cadmium dirty
Contaminate soil-repairing agent and using method thereof and application.
For solving above-mentioned technical problem, the invention provides a kind of cadmium pollution soil renovation agent, it is characterised in that:
The described percentage by weight repairing each raw material of medicament is:
Biomass carbon 30-50%；
Iron powder 10-20%；
Plant ash 10-20%；
Sodium sulfide 10-20%；
Zeolite 10-20%；
Described biomass carbon is with the mixture of straw and calcium oxide as raw material, described straw and the matter of calcium oxide
Amount than be 20:1, system pressure be 20kPa, pyrolysis temperature be 500 DEG C under conditions of vacuum pyrolysis 30min,
The pressed powder that particle diameter is below 3mm obtained by milled processed；
Described iron powder is less than the particulate matter of the ferrum of 1mm；
Described plant ash be straw or Caulis et Folium Oryzae burning after produce residual solids；
Described sodium sulfide, zeolite are respectively the pressed powder of below 2mm.
Further, in described renovation agent, the mass percent of each raw material is:
Biomass carbon 40%；
Iron powder 15%；
Plant ash 15%；
Sodium sulfide 15%；
Zeolite 15%.
The using method of the present invention a kind of cadmium pollution soil renovation agent, comprises the following steps:
(1) take containing cadmium pollution soil sample, use " soil quality Available Lead and Cadmium detrmination atomic absorption method "
The content of available Cd during the detection method of regulation measures pedotheque in (GB/T 23739-2009)；
(2) according to testing result, cadmium pollution soil in mass ratio: repair medicament=50～200:1 adds reparation medicament,
It is sprinkled upon pending soil surface by repairing the uniform shakedown of medicament；
(3) use the mode of stirring of turning over pending soil is connected the reparation medicament stirring mixing spilt on its upper berth 3 times with
On, form mixed soil, add water and keep the water content of mixed soil more than 50%；
(4) on mixed soil, plastic foil is covered, the reparation medicament that maintenance makes in mixed soil for more than 3 days and a huge sum of money
The cadmium belonged in contaminated soil fully reacts and stabilisation；
(5) content of available Cd in sample detecting mixed soil.
The present invention---a kind of cadmium pollution soil renovation agent and using method thereof and application, with reference to " soil environment quality
Standard " (GB15618-1995), use single factor contaminant index assessment method, cadmium pollution soil is repaired
Administer.Compared with prior art, the reparation medicament of the present invention has that preparation method is simple, feasible, regulation effect
Good advantage.
Relative to prior art, the beneficial effects of the present invention is:
1, the biomass carbon in renovation agent is obtained by vacuum pyrolysis biomass, the life prepared under vacuum
Material charcoal porosity is high, and adsorptive value is high；With biomass such as straws as raw material, make full use of resource, it is to avoid because of it
Burning causes environmental pollution.The yield promoting straw charcoal during vacuum pyrolysis by adding calcium oxide increases
Adding, the biomass carbon obtained by vacuum pyrolysis, have specific surface area big, duct is enriched, and easily absorption is all kinds of heavy
Metal ion, reduces the concentration of animal migration heavy metal ion in soil；Calcium oxide in the biomass carbon prepared is certainly
Body can make soil pH value improve soil surface negative charge to be increased, thus the affinity of soil heavy metal increases；The opposing party
Face pH value raises, and is also beneficial to the existence of MOH+ and improves the adsorbance of heavy metal ion, promotes in soil simultaneously
Heavy metal forms hydroxide or combined state precipitation or co-precipitation.
2, sodium sulfide can form stable chemical form with exchangeable cadmium ionic reaction, stops its environmental transport and transfer
And diffusion, reduce heavy metal murder by poisoning degree in the environment.
3, the addition of zeolite can improve soil physico-chemical property well, is greatly enhanced the permeability of soil, is having water
Soil environment in, promote that other components are disperseed in soil, to greatest extent with soil haptoreaction.
4, the reducing property of iron powder is high, can be reduced by bivalence cadmium, soluble in water, low price；
5, repair the plant ash in medicament and effectively regulate the nutrient in soil, improve soil；Simultaneously as
Alkaline matter has synergism to restoring cadmium polluted；
Said components gives full play to synergism, by reducing, precipitate, adsorb, improve, regulating pH value, makes
Obtain available Cd leaching rate in soil to be substantially reduced.
Detailed description of the invention:
The preparation embodiment 1 of reparation medicament:
With the mixture of straw and calcium oxide as raw material, the mass ratio of described straw and calcium oxide is 20:1, at body
Be pressure be 20kPa, pyrolysis temperature be 500 DEG C under conditions of vacuum pyrolysis 30min, obtained by milled processed
To the pressed powder that particle diameter is below 3mm；
Obtain the particle diameter iron powder less than 1mm；
The plant ash generated after obtaining straw burning；
Obtain particle diameter less than the sodium sulfide of 2mm, zeolite powder；
Weigh according to mass percent:
Biomass carbon 40%；
Iron powder 15%；
Plant ash 15%；
Sodium sulfide 15%；
Zeolite 15%；
Then mix homogeneously, prepares gained and repairs medicament.
The preparation embodiment 2 of reparation medicament:
With the mixture of straw and calcium oxide as raw material, the mass ratio of described straw and calcium oxide is 20:1, at body
Be pressure be 20kPa, pyrolysis temperature be 500 DEG C under conditions of vacuum pyrolysis 30min, obtained by milled processed
To the pressed powder that particle diameter is below 3mm.
Obtain the particle diameter iron powder less than 1mm；
The plant ash generated after obtaining straw burning；
Obtain particle diameter less than the sodium sulfide of 2mm, zeolite powder；
Weigh according to mass percent:
Biomass carbon 50%；
Iron powder 20%；
Plant ash 10%；
Sodium sulfide 10%；
Zeolite 10%.
Then mix homogeneously, obtains repairing medicament.
The preparation embodiment 3 of reparation medicament:
With the mixture of straw and calcium oxide as raw material, the mass ratio of described straw and calcium oxide is 20:1, at body
Be pressure be 20kPa, pyrolysis temperature be 500 DEG C under conditions of vacuum pyrolysis 30min, obtained by milled processed
To the pressed powder that particle diameter is below 3mm.
Obtain the particle diameter iron powder less than 1mm；
The plant ash generated after obtaining straw burning；
Obtain particle diameter less than the sodium sulfide of 2mm, zeolite powder；
Weigh according to mass percent:
Biomass carbon 30%；
Iron powder 10%；
Plant ash 20%；
Sodium sulfide 20%；
Zeolite 20%.
Then mix homogeneously, obtains repairing medicament.
The renovation agent application detailed description of the invention of embodiment 1-3 gained and technique effect:
300 kilograms of cadmium pollution soils take from Hengyang, Hunan Province farmland.
(1) " soil quality Available Lead and Cadmium detrmination atomic absorption method " (GB/T 23739-2009) is used
It is 32.56mg/kg that the detection method of middle regulation measures available Cd content in pedotheque.
(2) 300 kilograms of cadmium pollution soils are divided into three equal parts, every equal portions 100 kilograms, extract respectively
Each 2 kilograms of the reparation medicament be given in embodiment 1-3, is sprinkled upon pending by repairing the uniform shakedown of medicament respectively
The surface of 100 kilograms of soil；
(3) use the mode of stirring that pending soil connects the reparation medicament stirring spilt on its upper berth to mix 3 times
Above, form mixed soil, add water and keep the water content of mixed soil more than 50%；
(4) covered with plastic film on mixed soil, maintenance 3 days, allow reparation medicament in mixed soil with
Cadmium in heavy-metal contaminated soil fully reacts, sufficient stabilization；
(5) content of the soil available Cd of difference sample detecting embodiment 1-3 application, in soil effectively
State cadmium content the results are shown in Table 1, is satisfied by two grades of agricultures in " standard of soil environment quality " (GB15618-1995)
With the requirement of soil.
The renovation agent application result of table 1 embodiment 1-3 gained
Claims (4)
1. a cadmium pollution soil renovation agent, it is characterised in that: the described weight percent repairing each raw material of medicament
Than being:
Biomass carbon 30-50%；
Iron powder 10-20%；
Plant ash 10-20%；
Sodium sulfide 10-20%；
Zeolite 10-20%；
The mass percent sum of each raw material is 100%；
Described biomass carbon is with the mixture of straw and calcium oxide as raw material, described straw and the matter of calcium oxide
Amount than be 20:1, system pressure be 20kPa, pyrolysis temperature be 500 DEG C under conditions of vacuum pyrolysis 30min,
The pressed powder that particle diameter is below 3mm obtained by milled processed；
Described iron powder is less than the particulate matter of the ferrum of 1mm；
Described plant ash be straw or Caulis et Folium Oryzae burning after produce residual solids；
Described sodium sulfide, zeolite are respectively the pressed powder of below 2mm.
A kind of cadmium pollution soil renovation agent the most according to claim 1, it is characterised in that: described reparation medicine
The percentage by weight of each raw material of agent is:
Biomass carbon 40%；
Iron powder 15%；
Plant ash 15%；
Sodium sulfide 15%；
Zeolite 15%.
The using method of a kind of cadmium pollution soil renovation agent the most as claimed in claim 1 or 2, including following step
Rapid:
(1) take containing cadmium pollution soil sample, use " soil quality Available Lead and Cadmium detrmination atomic absorption method "
The content of available Cd during the detection method of regulation measures pedotheque in (GB/T 23739-2009)；
(2) according to testing result, it is cadmium pollution soil in mass ratio: renovation agent=50～200:1 are to cadmium pollution soil
Surface uniform spreading spills the cadmium pollution soil renovation agent described in claim 1 or 2；
(3) use the mode of stirring of turning over that pending soil connects the renovation agent stirring spilt on its upper berth to mix more than 3 times,
Form mixed soil, add water and keep the water content of mixed soil more than 50%；
(4) on mixed soil, plastic foil is covered, the reparation medicament that maintenance makes in mixed soil for more than 3 days and a huge sum of money
The cadmium belonged in contaminated soil fully reacts and stabilisation；
(5) content of available Cd in sample detecting mixed soil.
4. cadmium pollution soil renovation agent application in cadmium pollution soil repair as claimed in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080916.1A CN105713616A (en) | 2016-02-04 | 2016-02-04 | Cadmium contaminated soil restoring agent and using method and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080916.1A CN105713616A (en) | 2016-02-04 | 2016-02-04 | Cadmium contaminated soil restoring agent and using method and application thereof |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106180177A (en) * | 2016-07-28 | 2016-12-07 | 赵月 | A kind of method repairing waters heavy metal pollution of soil |
| CN106398703A (en) * | 2016-08-19 | 2017-02-15 | 湖南凯天重金属污染治理工程有限公司 | Technology for in-situ remediation of cadmium mildly/moderately polluted paddy fields |
| CN106978185A (en) * | 2017-05-16 | 2017-07-25 | 山东创业环保科技发展有限公司 | A kind of heavy-metal contaminated soil repairs conditioner and its application |
| CN107502364A (en) * | 2017-08-31 | 2017-12-22 | 广州公孙策信息科技有限公司 | A kind of agricultural land soil cadmium pollution renovation agent and preparation method thereof |
| CN107603633A (en) * | 2017-09-08 | 2018-01-19 | 广西大学 | A kind of cadmium pollution soil organo-mineral complexing passivator and its application method |
| CN107641512A (en) * | 2016-07-21 | 2018-01-30 | 天津市绿通环保工程设备开发有限公司 | Cd Pollution in Soil renovation agent |
| CN107737803A (en) * | 2017-11-24 | 2018-02-27 | 湖南新九方科技有限公司 | A kind of restorative procedure in heavy metal cadmium arable land |
| CN107794050A (en) * | 2017-10-25 | 2018-03-13 | 湖南鼎玖能源环境科技有限公司 | A kind of preparation method and application of charcoal base cadmium pollution soil conditioner |
| CN108031706A (en) * | 2017-11-08 | 2018-05-15 | 浙江大学 | For rehabilitating soil Cd contaminated soils modifying agent and its application |
| CN109078972A (en) * | 2017-06-14 | 2018-12-25 | 中国地质科学院矿产资源研究所 | Heavy metal contaminated soil remediation material and application method thereof |
| CN110283599A (en) * | 2019-07-09 | 2019-09-27 | 郑州轻工业学院 | A kind of heavy-metal contaminated soil renovation agent and preparation method thereof |
| CN110340137A (en) * | 2019-07-22 | 2019-10-18 | 鸿灌环境技术有限公司 | A kind of heavy-metal contaminated soil restorative procedure |
| CN111330966A (en) * | 2020-03-10 | 2020-06-26 | 上海澄域环保工程有限公司 | In-situ slurry stabilization restoration method for heavy metal polluted site |
| CN112724984A (en) * | 2021-01-18 | 2021-04-30 | 招商局生态环保科技有限公司 | Cadmium-polluted agricultural land soil composite conditioner and use method thereof |
| CN113857227A (en) * | 2021-09-27 | 2021-12-31 | 生态环境部南京环境科学研究所 | Method for restoring heavy metal cadmium farmland soil by using stabilized restoration material |
| CN115069212A (en) * | 2021-03-10 | 2022-09-20 | 日商藤田股份有限公司 | Adsorbent and method for producing same |
| CN116274340A (en) * | 2023-02-17 | 2023-06-23 | 陕西中天华宸建筑设计研究院有限公司 | Treatment method for restoring greening soil |
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| CN115069212A (en) * | 2021-03-10 | 2022-09-20 | 日商藤田股份有限公司 | Adsorbent and method for producing same |
| CN113857227A (en) * | 2021-09-27 | 2021-12-31 | 生态环境部南京环境科学研究所 | Method for restoring heavy metal cadmium farmland soil by using stabilized restoration material |
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