CN109621909A - A kind of medical stone sulfydryl renovation agent and preparation method thereof for administering Soil Mercury Pollution - Google Patents
A kind of medical stone sulfydryl renovation agent and preparation method thereof for administering Soil Mercury Pollution Download PDFInfo
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- CN109621909A CN109621909A CN201811634164.4A CN201811634164A CN109621909A CN 109621909 A CN109621909 A CN 109621909A CN 201811634164 A CN201811634164 A CN 201811634164A CN 109621909 A CN109621909 A CN 109621909A
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- medical stone
- sulfydryl
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/16—Alumino-silicates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
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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
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/46—Materials comprising a mixture of inorganic and organic materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of medical stone sulfydryl renovation agents and preparation method thereof for administering Soil Mercury Pollution.The medical stone sulfydryl renovation agent is by the medical stone handled through acid activation with being modified obtained complex repairation agent material containing mercapto-complex；The medical stone sulfydryl renovation agent is made of the raw material with following weight parts, 10-12 parts of medical stone, 11-14 parts of mercapto-complex.The present invention has significant to the repairing effect of mercury contaminated soil, the concentration of mercury in rice can be effectively reduced, process flow is simple and reliable, it is at low cost, using safe and without secondary pollution, there is important reality and economic significance to mercury contaminated soil reparation, also comply with the beneficial effect of the sustainable needs of China's agricultural.
Description
Technical field
The present invention relates to a kind of improvement Soil Mercury Pollution renovation agents, more particularly to a kind of wheat meal for administering Soil Mercury Pollution
Stone sulfydryl renovation agent and preparation method thereof.
Background technique
Mercury is a kind of poisonous and hazardous heavy metal, and it is excellent that mercury has been classified as 13 heavy metal species by U.S.EPA (U.S.EPA)
First control one of pollutant.In China, mercury pollution problem very severe has defined the prevention and cure of pollution of mercury Environmental security
Write-in country " 13 planning " (Wang Qi etc., 2015).The mercury development of resources of mercury ore head of district's phase, especially traditional Indigenous Smelting Method
Mercury already leads to ecosystem mercury content around mercury ore area and its basin and severely exceeds (enemy is extensively happy etc., 2006).In part, mercury is dirty
" three wastes " close contact that dye area, the main iirigation water source and mining of local agricultural and smelting activity generate, leads to river
Mercury content increases extremely in flowing water body, and farmland uses always river water seriously polluted in mining area to be irrigated, and by slag
The influence of heap leachate and the sedimentation of atmosphere mercury pollution particle, causes agricultural land soil mercury content very high (Yin Deliang, 2015).
Elemental Mercury and inorganic mercury mainly damage human immunity and renal system, and gaseous mercury has high diffusibility and fat-soluble,
It can be absorbed by alveolar, into blood circulation, and brain tissue can be entered by blood-brain barrier, and then damage brain tissue.With inorganic mercury
Difference is mainly gathered in the liver, kidney, central nervous system of human body, especially brain into the methyl mercury of human body, more serious
It is that methyl mercury in parent is transferable to be enriched in embryo, causes fetal congenital minamata disease, and mother is due to the barrier of placenta
There is no show any symptom (He Tianrong, 2007).As it can be seen that mercury contaminated soil not only brings threat to ecological environment, also lead to
It crosses food chain and increases human body mercury exposure, and bring serious Food Security.Horvat etc. (Horvat et al.,
2003) research shows that total mercury content is in mercury ore area rice far more than state food contaminants in foods 20ug/kg.And edible rice
Rice is the main path that mercury especially methyl mercury in mercury ore area exposes in human body, the first that Residents are taken in by edible rice
The base mercury limitation standard (0.23ugd that far super JECFA is formulated-1·kg-1) (Lee's equality, 2011).
It mainly include at present biological restoration, stable curing to the recovery technique of heavy metal-polluted soil (Mn, Pb, Zn, Cr etc.)
Method, thermal desorption method, elution method etc., and all play certain passivation repairing effect.But directed entirely to the blunt on the spot of mercury contaminated soil
It is less to change repairing research report, repairing effect is also ideal not to the utmost.Mercury ore area is generally all located in mountain area, and soil is poor, even mercury
Seriously polluted soil also takes on the important task of agricultural production.And the rice that these high mercury contents are eaten for a long time will certainly be serious
Damage human health.
For this purpose, researching and developing, a kind of repairing effect is significant, and process flow is simple, and low-cost mercury repair materials seem especially heavy
It wants.In the relatively low area of mercury pollution, the biological effectiveness and migration of mercury in agricultural land soil are reduced, and then reducing crops can
The concentration of mercury in part is eaten to reach the requirement of state food health limit standard, the normal production of agricultural product is ensured, has
Significant economy, environmental and social benefits.
Summary of the invention
The object of the present invention is to provide a kind of medical stone sulfydryl renovation agent for administering Soil Mercury Pollution and its preparation sides
Method.The present invention have it is significant to the repairing effect of mercury contaminated soil, the concentration of mercury in rice can be effectively reduced, process flow is simple
Reliably, using safe and without secondary pollution, there is important reality and economic significance to mercury contaminated soil reparation, also comply with China
The sustainable needs of agricultural.
Technical solution of the present invention: a kind of medical stone sulfydryl renovation agent for administering Soil Mercury Pollution, the medical stone sulfydryl are repaired
Multiple agent is by complex repairation agent material of medical stone handle through acid activation obtained by being modified containing mercapto-complex.
The aforementioned medical stone sulfydryl renovation agent for administering Soil Mercury Pollution, the medical stone sulfydryl renovation agent is with following weight
The raw material of part is made, and 10-12 parts of medical stone, 11-14 parts of mercapto-complex.
The medical stone sulfydryl renovation agent above-mentioned for administering Soil Mercury Pollution, the mercapto-complex are 3- mercapto propyl trimethoxy
Base silane.
The preparation method of the aforementioned medical stone sulfydryl renovation agent for administering Soil Mercury Pollution, the system of the medical stone sulfydryl renovation agent
Include following steps as method:
A, mercapto-complex, dehydrated alcohol and water are uniformly mixed, obtain A product；
B, medical stone and sulfuric acid solution are mixed, after heated sealed stirring, carries out cleaning PH to 6.5-7 with water, drying is ground
Mill, obtains B product；
C, B product are added in A product, after stirring at normal temperature, are cleaned with ethyl alcohol, obtains C product；
D, to get medical stone sulfydryl renovation agent after C product being dried, being ground.
It is by sulfydryl in the step a in the preparation method of the aforementioned medical stone sulfydryl renovation agent for administering Soil Mercury Pollution
Complex compound, second alcohol and water volume ratio be 1:8-10:0.5-1, mercapto-complex, dehydrated alcohol and water are uniformly mixed, A is obtained
Product.
In the preparation method of the aforementioned medical stone sulfydryl renovation agent for administering Soil Mercury Pollution, in the step b, according to weight
Part meter is that the sulfuric acid solution for being 1-3mol/L by 10-12 parts and 100-120 parts concentration of medical stone mixes.
In the preparation method of the aforementioned medical stone sulfydryl renovation agent for administering Soil Mercury Pollution, in the step b, the sealing
Heating stirring is the sealing stirring 5-7h at 70-80 DEG C.
In the preparation method of the aforementioned medical stone sulfydryl renovation agent for administering Soil Mercury Pollution, in the step b, the drying
Temperature be 90-110 DEG C, after grinding cross 100-200 mesh, obtain B product.
In the preparation method of the aforementioned medical stone sulfydryl renovation agent for administering Soil Mercury Pollution, in the step c, use is anhydrous
Ethyl alcohol cleans 2-4 times.
In the preparation method of the aforementioned medical stone sulfydryl renovation agent for administering Soil Mercury Pollution, in the step d, the temperature of drying
Degree is 70-80 DEG C.
Compared with prior art, the invention has the following advantages:
1, natural medical stone has dual adsorptivity as a kind of resourceful, cheap environment mineral material:
It on the one hand is that there is good adsorptivity because it is based on silicate；On the other hand since medical stone is in that permeability is spongy more
Special construction, specific surface area is huge, there is strong electrostatic attraction, thus has strong suction-operated to heavy metal ion.But its gap
In containing many organic and inorganic impurities, therefore to medical stone carry out acid activation processing, impurity can be eliminated, increase specific surface area
To obtain more absorption vacancy points, its adsorption capacity to heavy metal Hg is improved.And sulfydryl belongs to typical soft base property, according to
" hsab theory ", sulfydryl material is to Hg2+With very strong affinity, in the medical stone surface graft handled through acid activation
It is embedded in sulfhydryl-group activity functional group, not only substantially increases complex material to the adsorption capacity of mercury, but also living using these sulfydryls
The complex reactions such as the chemisorption that sexual function group generates, which are realized, acts on the solidification and stabilization of mercury in soils, reduces mercury in soils
Bioavailability, to mercury contaminated soil have significant repairing effect.
2, medical stone of the present invention can make its performance more superior after acid activation is handled, by easy in medical stone surface graft
After the sulfydryl combined with mercury, the absorption property of medical stone is substantially increased, process flow is simple and reliable；This renovation agent raw material are equal
It is nontoxic, secondary pollution will not be generated.China's medical stone rich in mineral resources, it is cheap, and this renovation agent processing technology
Simply, use is simple and convenient, just can significantly reduce rice mercury content after a small amount of addition in the soil, is easy to be accepted by the public, can
It is widely used in mercury contaminated soil reparation, facilitates large-scale promotion and use.
Experiments have shown that:
1, practical situations of the present invention:
Medical stone sulfydryl renovation agent obtained in the embodiment of the present invention is added to mercury by mass fraction 2% and contained by the applicant
Amount is about in the Wanshan Mountain mercury pollution agricultural land soil of 5ug/kg, as sulfhydryl modified medical stone group；Quality is pressed using natural medical stone
Score 2% is added in the Wanshan Mountain mercury pollution agricultural land soil that mercury content is about 5ug/kg, as natural medical stone group；By mercury content
In the Wanshan Mountain mercury pollution agricultural land soil of about 5ug/kg, as Wanshan Mountain original soil group (control group)；By Wanshan Mountain original soil group (control group),
Natural medical stone group and sulfhydryl modified medical stone group under the same conditions, carry out rice potted plant experiment, after Rice Cropping is mature
(about 120 days) acquire rice, measure the content of total mercury in three groups of rice respectively.As a result Wanshan Mountain original soil group (control as shown in Figure 1:
Group) in rice total mercury content be 38.06ug/kg；Rice total mercury content in natural medical stone group is 32.99ug/kg；Sulfydryl
The rice total mercury content of modified medical stone group is 8.24ug/kg；The rice of sulfhydryl modified medical stone group is total as can be seen from the results
Total mercury content of the mercury content significantly lower than natural medical stone group and Wanshan Mountain original soil group (control group), and sulfhydryl modified medical stone group
Rice total mercury content is 8.24ug/kg, has even more reached as defined in state food health limit standard that 20ug/kg is below to be wanted
It asks, total mercury removal rate reaches 78.36% (note: in the rice of sulfhydryl modified medical stone group in the rice of sulfhydryl modified medical stone group
Total mercury removal rate=1- (the rice total mercury content in the Wanshan Mountain the rice total mercury content ÷ original soil group of sulfhydryl modified medical stone group)).
The result shows that the present invention have it is significant to the repairing effect of mercury contaminated soil, the concentration of mercury in rice can be effectively reduced, to mercury dirt
Contaminating soil remediation has important reality and economic significance, also complies with the sustainable needs of China's agricultural.
2, in the embodiment of the present invention medical stone sulfydryl renovation agent and natural medical stone infrared spectrum analysis:
Medical stone sulfydryl renovation agent (agent of medical stone sulfydryl complex repairation) is red with natural medical stone in the embodiment of the present invention
External spectrum shows as shown in Fig. 2, the infrared spectroscopy of natural medical stone and medical stone sulfydryl renovation agent is unanimous on the whole by modification
After processing, the basic structure of medical stone is not destroyed.But medical stone sulfydryl renovation agent is in 2939cm-1There is apparent absorption in place
Peak, stretching vibration intensity are remarkably reinforced, this show it is modified after new methyl C-H group occur, medical stone surface is embedded in-
(CH2)3SH shows that medical stone forms the sulfhydryl modified complex repairation agent of medical stone after modified by successful organic functional.
Along with the basic structure of medical stone is not destroyed, distinctive permeability spongelike structure, specific surface area is huge, strong electrostatic
Gravitation, then modified medical stone sulfydryl renovation agent absorption property is greatly improved, thus has strong absorption to heavy metal ion
Effect.
In conclusion the present invention has significant to the repairing effect of mercury contaminated soil, the dense of mercury in rice can be effectively reduced
Degree, process flow is simple and reliable, at low cost, using safe and without secondary pollution, has important reality to mercury contaminated soil reparation
Border and economic significance also comply with the beneficial effect of the sustainable needs of China's agricultural.
Detailed description of the invention
Fig. 1 is rice total mercury content in different experiments group of the invention；
Fig. 2 is the infrared spectrogram of medical stone sulfydryl renovation agent and natural medical stone in the embodiment of the present invention.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
Embodiment 1.It is a kind of administer Soil Mercury Pollution medical stone sulfydryl renovation agent, the medical stone sulfydryl renovation agent be with
The raw material of following weight is made, medical stone 10kg, mercapto-complex 11kg.
The production method of the medical stone sulfydryl renovation agent includes following steps:
A, it is 1:8:0.5 by the volume ratio of mercapto-complex, second alcohol and water, mercapto-complex, dehydrated alcohol and water is mixed
It closes uniformly, obtains A product.
B, the sulfuric acid solution that medical stone 10kg and 100kg concentration is 1mol/L is mixed, sealing stirring 7h, is used at 80 DEG C
Water carries out cleaning PH to 6.5, dries at being 90 DEG C in temperature, sieves with 100 mesh sieve after grinding, obtain B product.
C, B product are added in A product, after stirring at normal temperature, with washes of absolute alcohol 2 times, obtain C product；
D, by C product temperature be 70 DEG C at drying, grinding after to get medical stone sulfydryl renovation agent.
Embodiment 2.It is a kind of administer Soil Mercury Pollution medical stone sulfydryl renovation agent, the medical stone sulfydryl renovation agent be with
The raw material of following weight is made, medical stone 11kg, mercapto-complex 12kg.
The production method of the medical stone sulfydryl renovation agent includes following steps:
A, it is 1:9:0.8 by the volume ratio of mercapto-complex, second alcohol and water, mercapto-complex, dehydrated alcohol and water is mixed
It closes uniformly, obtains A product.
B, the sulfuric acid solution that medical stone 11kg and 110kg concentration is 2mol/L is mixed, sealing stirring 6h, is used at 75 DEG C
Water carries out cleaning PH to 6.8, dries at being 100 DEG C in temperature, 150 meshes are crossed after grinding, obtain B product.
C, B product are added in A product, after stirring at normal temperature, with washes of absolute alcohol 3 times, obtain C product；
D, by C product temperature be 75 DEG C at drying, grinding after to get medical stone sulfydryl renovation agent.
Embodiment 3.It is a kind of administer Soil Mercury Pollution medical stone sulfydryl renovation agent, the medical stone sulfydryl renovation agent be with
The raw material of following weight is made, medical stone 12kg, mercapto-complex 14kg.
The production method of the medical stone sulfydryl renovation agent includes following steps:
A, it is 1:10:1 by the volume ratio of mercapto-complex, second alcohol and water, mercapto-complex, dehydrated alcohol and water is mixed
Uniformly, A product are obtained.
B, the sulfuric acid solution that medical stone 12kg and 120kg concentration is 3mol/L is mixed, sealing stirring 5h, is used at 70 DEG C
Water carries out cleaning PH to 7, dries at being 110 DEG C in temperature, 200 meshes are crossed after grinding, obtain B product.
C, B product are added in A product, after stirring at normal temperature, with washes of absolute alcohol 4 times, obtain C product；
D, by C product temperature be 80 DEG C at drying, grinding after to get medical stone sulfydryl renovation agent.
Claims (10)
1. it is a kind of administer Soil Mercury Pollution medical stone sulfydryl renovation agent, it is characterised in that: the medical stone sulfydryl renovation agent be by
Medical stone through acid activation processing is with being modified obtained complex repairation agent material containing mercapto-complex.
2. administering the medical stone sulfydryl renovation agent of Soil Mercury Pollution according to claim 1, it is characterised in that: the medical stone
Sulfydryl renovation agent is made of the raw material with following weight parts, 10-12 parts of medical stone, 11-14 parts of mercapto-complex.
3. the medical stone sulfydryl renovation agent according to claim 1 for administering Soil Mercury Pollution, it is characterised in that: the sulfydryl
Complex compound is 3- mercaptopropyl trimethoxysilane.
4. a kind of preparation side for the medical stone sulfydryl renovation agent for administering Soil Mercury Pollution as described in any one of claim 1-3
Method, it is characterised in that: the production method of the medical stone sulfydryl renovation agent includes following steps:
A, mercapto-complex, dehydrated alcohol and water are uniformly mixed, obtain A product；
B, medical stone and sulfuric acid solution are mixed, after heated sealed stirring, carry out cleaning PH to 6.5-7 with water, dry, grinding,
Obtain B product；
C, B product are added in A product, after stirring at normal temperature, are cleaned with ethyl alcohol, obtains C product；
D, to get medical stone sulfydryl renovation agent after C product being dried, being ground.
5. administering the preparation method of the medical stone sulfydryl renovation agent of Soil Mercury Pollution according to claim 4, which is characterized in that
In the step a, be by mercapto-complex, second alcohol and water volume ratio be 1:8-10:0.5-1, by mercapto-complex, anhydrous second
Alcohol and water is uniformly mixed, and obtains A product.
6. administering the preparation method of the medical stone sulfydryl renovation agent of Soil Mercury Pollution according to claim 4, which is characterized in that
It is the sulfuric acid solution for being 1-3mol/L by 10-12 parts and 100-120 parts concentration of medical stone in parts by weight in the step b
Mixing.
7. administering the preparation method of the medical stone sulfydryl renovation agent of Soil Mercury Pollution according to claim 4, which is characterized in that
In the step b, the heated sealed stirring is the sealing stirring 5-7h at 70-80 DEG C.
8. administering the preparation method of the medical stone sulfydryl renovation agent of Soil Mercury Pollution according to claim 4, which is characterized in that
In the step b, the temperature of the drying is 90-110 DEG C, and 100-200 mesh is crossed after grinding, obtains B product.
9. administering the preparation method of the medical stone sulfydryl renovation agent of Soil Mercury Pollution according to claim 4, which is characterized in that
In the step c, using washes of absolute alcohol 2-4 times.
10. administering the preparation method of the medical stone sulfydryl renovation agent of Soil Mercury Pollution according to claim 4, feature exists
In in the step d, the temperature of drying is 70-80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634164.4A CN109621909A (en) | 2018-12-29 | 2018-12-29 | A kind of medical stone sulfydryl renovation agent and preparation method thereof for administering Soil Mercury Pollution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634164.4A CN109621909A (en) | 2018-12-29 | 2018-12-29 | A kind of medical stone sulfydryl renovation agent and preparation method thereof for administering Soil Mercury Pollution |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109762572A (en) * | 2019-01-28 | 2019-05-17 | 葛畅 | A kind of preparation method of the reparation medicament of mercury contaminated soil |
| CN110038890A (en) * | 2019-05-15 | 2019-07-23 | 山东虎力机械有限公司 | A kind of ecological, environmental protective soil remediation method |
| CN110142291A (en) * | 2019-05-22 | 2019-08-20 | 东北大学 | A kind of reagent and method for repairing mercury contaminated soil using modified activated carbon |
| CN114045173A (en) * | 2021-11-10 | 2022-02-15 | 贵州大学 | Mercury-contaminated soil remediation agent and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109762572A (en) * | 2019-01-28 | 2019-05-17 | 葛畅 | A kind of preparation method of the reparation medicament of mercury contaminated soil |
| CN110038890A (en) * | 2019-05-15 | 2019-07-23 | 山东虎力机械有限公司 | A kind of ecological, environmental protective soil remediation method |
| CN110038890B (en) * | 2019-05-15 | 2019-11-26 | 湖北同惠生物工程有限公司 | A kind of ecological, environmental protective soil remediation method |
| CN110142291A (en) * | 2019-05-22 | 2019-08-20 | 东北大学 | A kind of reagent and method for repairing mercury contaminated soil using modified activated carbon |
| CN114045173A (en) * | 2021-11-10 | 2022-02-15 | 贵州大学 | Mercury-contaminated soil remediation agent and preparation method thereof |
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Application publication date: 20190416 |
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