CN106734171A - A kind of transportable stabilized method of state mercury of soil - Google Patents
A kind of transportable stabilized method of state mercury of soil Download PDFInfo
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- CN106734171A CN106734171A CN201710015294.9A CN201710015294A CN106734171A CN 106734171 A CN106734171 A CN 106734171A CN 201710015294 A CN201710015294 A CN 201710015294A CN 106734171 A CN106734171 A CN 106734171A
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- Prior art keywords
- soil
- mercury
- transportable
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- 239000002689 soil Substances 0.000 title claims abstract description 105
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 81
- 238000000034 method Methods 0.000 title claims abstract description 44
- 239000000203 mixture Substances 0.000 claims abstract description 29
- 239000002253 acid Substances 0.000 claims abstract description 27
- 239000003381 stabilizer Substances 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 15
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 14
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000018044 dehydration Effects 0.000 claims abstract description 7
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 7
- 239000011780 sodium chloride Substances 0.000 claims abstract description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims abstract description 6
- 239000000706 filtrate Substances 0.000 claims abstract description 6
- 239000001103 potassium chloride Substances 0.000 claims abstract description 6
- 235000011164 potassium chloride Nutrition 0.000 claims abstract description 6
- 238000005516 engineering process Methods 0.000 claims abstract description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- 239000000292 calcium oxide Substances 0.000 claims description 4
- DPLVEEXVKBWGHE-UHFFFAOYSA-N potassium sulfide Chemical compound [S-2].[K+].[K+] DPLVEEXVKBWGHE-UHFFFAOYSA-N 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 claims description 2
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 8
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 238000005067 remediation Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 description 12
- 238000011105 stabilization Methods 0.000 description 8
- 229910001385 heavy metal Inorganic materials 0.000 description 6
- 239000003513 alkali Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 231100000693 bioaccumulation Toxicity 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000021393 food security Nutrition 0.000 description 1
- -1 i.e. Chemical compound 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical class [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
Abstract
The present invention relates to a kind of transportable stabilized method of state mercury of soil, belong to soil remediation environmental technology field.Pretreatment procedure：First by sodium chloride and potassium chloride by mixture is obtained after being well mixed, mixture is added to mercury contaminated soil and mixes, and is subsequently adding mass percent concentration for 4%~6% dilute acid soln, 2~4h is stood after stirring and obtains soil mixture；PH value adjusts operation：To alkaline matter is added in soil mixture after standing while stirring, regulation pH value is 7~8；Then stabilizer is added, water is added and is stirred, stand 24 ~ 36h；Soil centrifuge or filter press are dehydrated after standing, soil after being stabilized, and filtrate purified can reclaim chloride and be subsequently used for pretreatment procedure.Present invention is generally directed to the transportable state mercury that soda acid is solvable, operation, addition stabilizer operation, the link of dehydration procedure four are adjusted by pretreatment procedure, pH value and is allowed to be converted into the insoluble stable state of soda acid, can be used for the reparation of Soil Mercury Pollution.
Description
Technical field
The present invention relates to a kind of transportable stabilized method of state mercury of soil, belong to soil remediation environmental technology field.
Background technology
Heavy metal pollution of soil serious harm ecological environment, influence food security, threat human life, have become universal
Environmental problem, mercury is heavy metal pollution of soil one of the chief elements, with persistence, easy animal migration, bioaccumulation, organic
The features such as hypertoxicity, in addition in heavy metal pollution of soil Controlling research to Soil Mercury Pollution attention rate not enough and specific aim it is not strong
Present situation, strengthens Soil Mercury Pollution improvement and becomes more and more important.
Soil Mercury Pollution is administered mainly has the methods such as plant method, physics thermal desorption, soil replacement method, stabilisation.Stabilisation is nothing
Need to change under polluted heavy metals total amount situation, the resolvability of heavy metal be reduced by changing Chemical Forms of Heavy Metals, can be moved
Shifting property and bioavailability, which obviate the excessive cycle of plant method, the high energy consumption of thermal desorption, soil replacement method it is not thorough etc. no
Foot, with it is ageing high, with strong points, simple to operate the features such as, soil can still carry out production activity after stabilisation.
The content of the invention
For problem and deficiency that above-mentioned prior art is present, it is stabilized that the present invention provides a kind of transportable state mercury of soil
Method.Present invention is generally directed to the transportable state mercury that soda acid is solvable, operation, addition stabilization are adjusted by pretreatment procedure, pH value
Agent operation, the link of dehydration procedure four are allowed to be converted into the insoluble stable state of soda acid, can be used for the reparation of Soil Mercury Pollution, the present invention
It is achieved through the following technical solutions.
A kind of transportable stabilized method of state mercury of soil, its specific steps include as follows：
（1）Pretreatment procedure：In mass ratio it is first 1~2 by sodium chloride and potassium chloride：1~2 it is well mixed after mixed
Thing, mixture is added to mercury contaminated soil and mixes, and mass percent concentration is subsequently adding for 4%~6% dilute acid soln, after stirring
Stand 2~4h and obtain soil mixture；
（2）PH value adjusts operation：To step（1）Add alkaline matter after standing in soil mixture while stirring, adjust pH value
It is 7~8；
（3）Addition stabilizer operation：Then stabilizer is added, water is added and is stirred, stand 24 ~ 36h；
（4）Dehydration procedure：Through step（3）Soil centrifuge or filter press are dehydrated after standing, soil after being stabilized, filtrate
Purified can reclaim chloride and be subsequently used for pretreatment procedure.
The step（1）Middle mixture is 1~3 with the mass ratio of mercury in mercury contaminated soil:1.
The step（1）Middle dilute acid soln is dilute sulfuric acid, watery hydrochloric acid or dust technology, and dilute acid soln consumption should ensure that and flood soil
Earth.
The step（2）Neutral and alkali material NaOH, potassium hydroxide or calcium oxide.
The step（3）Middle stabilizer is one or more arbitrary proportions in vulcanized sodium, ammonium sulfide, potassium sulfide, calcium sulfide
Mixture, sulphion amount and mercury content mol ratio in mercury contaminated soil are 0.8~1 in stabilizer：1.
The beneficial effects of the invention are as follows：
1st, strong applicability.The stabilization method is insensitive to soil types, can be used for the soil of several classes of type big absolutely.
2nd, raw material is cheap.The optional cheap sodium chloride of pretreating reagent, stabilizer select vulcanized sodium sulfides, raw material is easy to get,
Cheaply.
3rd, process equipment is simple.Only need stand, press filtration or centrifugation just can realize mercury contaminated soil stabilize, equipment simply into
It is ripe, it is easy to Technique Popularizing application.
4th, effect is obvious.Reparation mercury contaminated soil is stabilized by the method and can obviously reduce mercury in soils soda acid soluble state,
Beneficial to environmental protection, environmental problem is solved, soil can be used for production activity after stabilisation.
Brief description of the drawings
Fig. 1 is the transportable state mercury stabilization results figure of the soil of the embodiment of the present invention 1；
Fig. 2 is that the present invention is the transportable state mercury stabilization results figure of the soil of embodiment 2；
Fig. 3 is that the present invention is the transportable state mercury stabilization results figure of the soil of embodiment 3.
Specific embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1
Mercury contaminated soil sample comes from Yunnan Province Kunming chemical enterprise, and mercury content is 400mg/kg in sample, is exceeded《Soil
Earth environmental quality standards》（GB15618-1995）In to the limit value of three-level soil mercury content 1.5mg/kg.
The transportable stabilized method of state mercury of the soil, its specific steps include as follows：
（1）Pretreatment procedure：In mass ratio it is first 1 by sodium chloride and potassium chloride：1 it is well mixed after obtain mixture, mix
Thing is added to mercury contaminated soil and mixes, and mixture is 1 with the mass ratio of mercury in mercury contaminated soil:1, it is subsequently adding quality percentage
Specific concentration is 4% dilute acid soln, 3h is stood after stirring and obtains soil mixture, and dilute acid soln is dilute sulfuric acid, and dilute acid soln consumption should
Soil is flooded in guarantee（Dilute acid soln addition is the 60% of mercury contaminated soil quality）；
（2）PH value adjusts operation：To step（1）Add alkaline matter after standing in soil mixture while stirring（Calcium oxide, i.e.,
Quick lime）, regulation pH value is 8, stands 0.5h；
（3）Addition stabilizer operation：Then stabilizer is added（Stabilizer is that mass ratio is 1:1 vulcanized sodium and potassium sulfide mixing
Thing, sulphion amount and mercury content mol ratio in mercury contaminated soil are 0.8 in stabilizer：1）, add water（The addition of water is dirty mercury
The 25% of dye soil quality）And stir, stand 36h；
（4）Dehydration procedure：Through step（3）Soil centrifuge or filter press are dehydrated after standing, soil after being stabilized, filtrate
Purified can reclaim chloride and be subsequently used for pretreatment procedure.
The transportable state mercury stabilization results figure of soil is as shown in figure 1, as can be seen from Figure 1：After stabilized, Polluted Soil
Mercury sour solvent accounting is reduced to 5.6% by 72.52% in earth, and alkali soluble state is down to 10.6% by 12.82%, and stable state rises to
75.92%, finally, mercury 83.8% exists in the insoluble stable state form of soda acid in the mercury contaminated soil, and extent of injury reduction can be again
For producing.
Embodiment 2
Mercury contaminated soil sample comes from bargh of Wanshan Mountain city of Guizhou Province, and mercury content is 594mg/kg in sample, is exceeded《Soil
Earth environmental quality standards》（GB15618-1995）In to the limit value of three-level soil mercury content 1.5mg/kg.
The transportable stabilized method of state mercury of the soil, its specific steps include as follows：
（1）Pretreatment procedure：In mass ratio it is first 2 by sodium chloride and potassium chloride：1 it is well mixed after obtain mixture, mix
Thing is added to mercury contaminated soil and mixes, and mixture is 2 with the mass ratio of mercury in mercury contaminated soil:1, it is subsequently adding quality percentage
Specific concentration is 5% dilute acid soln, 4h is stood after stirring and obtains soil mixture, and dilute acid soln is dilute sulfuric acid, and dilute acid soln consumption should
Soil is flooded in guarantee（Dilute acid soln addition is the 70% of mercury contaminated soil quality）；
（2）PH value adjusts operation：To step（1）Add alkaline matter after standing in soil mixture while stirring（Hydroxide
Sodium）, regulation pH value is 7, stands 0.5h；
（3）Addition stabilizer operation：Then stabilizer is added（Stabilizer is that mass ratio is 1:1 vulcanized sodium and potassium sulfide mixing
Thing, sulphion amount and mercury content mol ratio in mercury contaminated soil are 1 in stabilizer：1）, add water（The addition of water is mercury pollution
The 30% of soil quality）And stir, stand 24h；
（4）Dehydration procedure：Through step（3）Soil centrifuge or filter press are dehydrated after standing, soil after being stabilized, filtrate
Purified can reclaim chloride and be subsequently used for pretreatment procedure.
The transportable state mercury stabilization results figure of soil is as shown in Fig. 2 as can be seen from Figure 2：After stabilized, Polluted Soil
Mercury sour solvent accounting is reduced to 4.76% by 53.91% in earth, and alkali soluble state is down to 8.98% by 18.47%, and stable state rises to
79.11%, finally, mercury 86.26% exists in the insoluble stable state form of soda acid in the mercury contaminated soil, and extent of injury reduction can be again
It is secondary for producing.
Embodiment 3
Mercury contaminated soil sample comes from bargh of Wanshan Mountain city of Guizhou Province, and mercury content is 198mg/kg in sample, is exceeded《Soil
Earth environmental quality standards》（GB15618-1995）In to the limit value of three-level soil mercury content 1.5mg/kg.
The transportable stabilized method of state mercury of the soil, its specific steps include as follows：
（1）Pretreatment procedure：In mass ratio it is first 1 by sodium chloride and potassium chloride：2 it is well mixed after obtain mixture, mix
Thing is added to mercury contaminated soil and mixes, and mixture is 1.5 with the mass ratio of mercury in mercury contaminated soil:1, it is subsequently adding quality hundred
Divide specific concentration to be 6% dilute acid soln, 2h is stood after stirring and obtains soil mixture, dilute acid soln is watery hydrochloric acid, dilute acid soln consumption
Should ensure that and flood soil（Dilute acid soln addition is the 70% of mercury contaminated soil quality）；
（2）PH value adjusts operation：To step（1）Add alkaline matter after standing in soil mixture while stirring（Hydroxide
Potassium）, regulation pH value is 8, stands 0.5h；
（3）Addition stabilizer operation：Then stabilizer is added（Stabilizer is vulcanized sodium, sulphion amount and mercury pollution in stabilizer
Mercury in soils content mol ratio is 0.9：1）, add water（The addition of water is the 20% of mercury contaminated soil quality）And stir, stand
30h；
（4）Dehydration procedure：Through step（3）Soil centrifuge or filter press are dehydrated after standing, soil after being stabilized, filtrate
Purified can reclaim chloride and be subsequently used for pretreatment procedure.
The transportable state mercury stabilization results figure of soil is as shown in figure 3, as can be seen from Figure 3：After stabilized, Polluted Soil
Mercury sour solvent accounting is reduced to 3.12% by 16.69% in earth, and alkali soluble state is down to 9.67% by 32.44%, and stable state rises to
66.43%, finally, mercury 87.21% exists in the insoluble form of soda acid in the mercury contaminated soil, and the extent of injury is greatly reduced, can be again
For producing.
Specific embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that those of ordinary skill in the art possess, can also make on the premise of present inventive concept is not departed from
Go out various change.
Claims (5)
1. a kind of transportable stabilized method of state mercury of soil, it is characterised in that specific steps include as follows：
（1）Pretreatment procedure：In mass ratio it is first 1~2 by sodium chloride and potassium chloride：1~2 it is well mixed after mixed
Thing, mixture is added to mercury contaminated soil and mixes, and mass percent concentration is subsequently adding for 4%~6% dilute acid soln, after stirring
Stand 2~4h and obtain soil mixture；
（2）PH value adjusts operation：To step（1）Add alkaline matter after standing in soil mixture while stirring, adjust pH value
It is 7~8；
（3）Addition stabilizer operation：Then stabilizer is added, water is added and is stirred, stand 24 ~ 36h；
（4）Dehydration procedure：Through step（3）Soil centrifuge or filter press are dehydrated after standing, soil after being stabilized, filtrate
Purified can reclaim chloride and be subsequently used for pretreatment procedure.
2. the transportable stabilized method of state mercury of soil according to claim 1, it is characterised in that：The step（1）In
Mixture is 1~3 with the mass ratio of mercury in mercury contaminated soil:1.
3. the transportable stabilized method of state mercury of soil according to claim 1, it is characterised in that：The step（1）In
Dilute acid soln is dilute sulfuric acid, watery hydrochloric acid or dust technology, and dilute acid soln consumption should ensure that and flood soil.
4. the transportable stabilized method of state mercury of soil according to claim 1, it is characterised in that：The step（2）In
Alkaline matter NaOH, potassium hydroxide or calcium oxide.
5. the transportable stabilized method of state mercury of soil according to claim 1, it is characterised in that：The step（3）In
Stabilizer is one or more arbitrary proportion mixtures, sulphion in stabilizer in vulcanized sodium, ammonium sulfide, potassium sulfide, calcium sulfide
Amount is 0.8~1 with mercury content mol ratio in mercury contaminated soil：1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015294.9A CN106734171A (en) | 2017-01-10 | 2017-01-10 | A kind of transportable stabilized method of state mercury of soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710015294.9A CN106734171A (en) | 2017-01-10 | 2017-01-10 | A kind of transportable stabilized method of state mercury of soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106734171A true CN106734171A (en) | 2017-05-31 |
Family
ID=58948683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710015294.9A Pending CN106734171A (en) | 2017-01-10 | 2017-01-10 | A kind of transportable stabilized method of state mercury of soil |
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| Country | Link |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5919001A (en) * | 1996-06-21 | 1999-07-06 | Lin; Hsing Kuang | Process for simultaneously removing lead, copper and mercury from contaminated soils |
| CN101175692A (en) * | 2005-03-14 | 2008-05-07 | 普莱克斯技术有限公司 | Catalytic adsorbents for mercury removal from flue gas and methods of manufacture therefor |
| CN102873086A (en) * | 2012-10-09 | 2013-01-16 | 北京大学 | Mercury contaminated soil in-situ restoration method |
| CN104722188A (en) * | 2015-03-02 | 2015-06-24 | 江苏汇维特新材料科技有限公司 | Mercury vapor absorbing device and mercury vapor absorbing method |
| CN104998894A (en) * | 2015-06-02 | 2015-10-28 | 中国环境科学研究院 | Solidification and stabilization method for mercury contaminated soil |
| CN105032915A (en) * | 2015-06-02 | 2015-11-11 | 中国环境科学研究院 | Mercury pollution soil thermal desorption and mercury recovery method and integrated equipment |
| CN105879609A (en) * | 2015-02-13 | 2016-08-24 | 巴布科克和威尔科克斯能量产生集团公司 | Method and apparatus for removing mercury from flue gas stream |
| CN105921139A (en) * | 2016-07-05 | 2016-09-07 | 中国环境科学研究院 | Mercury adsorbent as well as preparation method and application thereof |
| CN106281332A (en) * | 2016-07-27 | 2017-01-04 | 武汉都市环保工程技术股份有限公司 | Mercury contaminated soil reparation passivator and mercury contaminated soil restorative procedure and application |
-
2017
- 2017-01-10 CN CN201710015294.9A patent/CN106734171A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5919001A (en) * | 1996-06-21 | 1999-07-06 | Lin; Hsing Kuang | Process for simultaneously removing lead, copper and mercury from contaminated soils |
| CN101175692A (en) * | 2005-03-14 | 2008-05-07 | 普莱克斯技术有限公司 | Catalytic adsorbents for mercury removal from flue gas and methods of manufacture therefor |
| CN102873086A (en) * | 2012-10-09 | 2013-01-16 | 北京大学 | Mercury contaminated soil in-situ restoration method |
| CN105879609A (en) * | 2015-02-13 | 2016-08-24 | 巴布科克和威尔科克斯能量产生集团公司 | Method and apparatus for removing mercury from flue gas stream |
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| CN104998894A (en) * | 2015-06-02 | 2015-10-28 | 中国环境科学研究院 | Solidification and stabilization method for mercury contaminated soil |
| CN105032915A (en) * | 2015-06-02 | 2015-11-11 | 中国环境科学研究院 | Mercury pollution soil thermal desorption and mercury recovery method and integrated equipment |
| CN105921139A (en) * | 2016-07-05 | 2016-09-07 | 中国环境科学研究院 | Mercury adsorbent as well as preparation method and application thereof |
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