CN107321783A - The modification method of lead-contaminated soil - Google Patents
The modification method of lead-contaminated soil Download PDFInfo
- Publication number
- CN107321783A CN107321783A CN201710652948.9A CN201710652948A CN107321783A CN 107321783 A CN107321783 A CN 107321783A CN 201710652948 A CN201710652948 A CN 201710652948A CN 107321783 A CN107321783 A CN 107321783A
- Authority
- CN
- China
- Prior art keywords
- lead
- contaminated soil
- weight
- fishbone dust
- modification method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002689 soil Substances 0.000 title claims abstract description 136
- 238000002715 modification method Methods 0.000 title claims abstract description 32
- 239000000428 dust Substances 0.000 claims abstract description 74
- 238000012545 processing Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000013039 cover film Substances 0.000 claims abstract description 13
- 239000010408 film Substances 0.000 claims abstract description 13
- 230000006872 improvement Effects 0.000 claims abstract description 9
- 210000000988 bone and bone Anatomy 0.000 claims description 36
- 239000002245 particle Substances 0.000 claims description 25
- 238000000855 fermentation Methods 0.000 claims description 24
- 230000004151 fermentation Effects 0.000 claims description 24
- 241000287828 Gallus gallus Species 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 13
- 238000009331 sowing Methods 0.000 claims description 13
- 239000002994 raw material Substances 0.000 claims description 10
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 9
- 239000004327 boric acid Substances 0.000 claims description 9
- 239000011812 mixed powder Substances 0.000 claims description 9
- 238000002360 preparation method Methods 0.000 claims description 9
- 235000016425 Arthrospira platensis Nutrition 0.000 claims description 6
- 240000002900 Arthrospira platensis Species 0.000 claims description 6
- 229910000278 bentonite Inorganic materials 0.000 claims description 6
- 239000000440 bentonite Substances 0.000 claims description 6
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 6
- 229940082787 spirulina Drugs 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- BOUFUOCPGSCPPN-UHFFFAOYSA-N [Pb].[P].[Cl] Chemical compound [Pb].[P].[Cl] BOUFUOCPGSCPPN-UHFFFAOYSA-N 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 241000282898 Sus scrofa Species 0.000 description 15
- 238000011109 contamination Methods 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 241000282894 Sus scrofa domesticus Species 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 210000002249 digestive system Anatomy 0.000 description 1
- 238000009393 electroremediation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002607 hemopoietic effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000000653 nervous system Anatomy 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 238000012113 quantitative test Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000004994 reproductive system Anatomy 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004017 vitrification Methods 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a kind of modification method of lead-contaminated soil, comprise the following steps：S1：Lead-contaminated soil is turned over；S2：Fishbone dust is sowed in the lead-contaminated soil after step S1 processing；S3：The water drenching in the lead-contaminated soil after step S2 processing, is then well mixed；S4：In the surface cover film of the lead-contaminated soil after step S3 processing, the lead-contaminated soil under film covering is set to be fermented.The present invention is combined by using lead with fishbone dust generates harmless phosphorus chlorine lead, the active lead in reduction soil, so as to reach the effect of the lead-contaminated soil of improvement；Modification method cost is low, workable, has a wide range of application.
Description
Technical field
The present invention relates to technical field of land improvement, and in particular to a kind of modification method of lead-contaminated soil.
Background technology
Soil is main matter for the survival of mankind basis, but the exploitation due to mankind's heavy metal, smeltings, process and
Business manufacturing activities are increasing, cause such as lead heavy metal to enter in soil, cause serious environmental pollution.Long-term intake quilt
Rice, the veterinary antibiotics of lead severe contamination, drink containing the exceeded water of cadmium, lead amount, the symptom of slow poisoning easily occur, influence
Nervous system, hemopoietic system, digestive system and the reproductive system of human body, are detrimental to health.Current lead-contaminated soil reparation
Technology mainly has phytoremediation, Electroremediation method, leaching method, thermal desorption method, Vitrification and fixing-stable method etc.；Its
In, phytoremediation needs for quite a long time and there is the process problem of plant；Electromotion repairing technique is only applicable to small area
Pollution, and scene is not easy to operate；Leaching method needs to add surfactant, there is the danger of polluted underground water；Thermal desorption method
It is the method using heating recovery gas, this method is not suitable for execute-in-place and costly, the problems such as narrow application range；Therefore,
Also need to develop new lead contamination modification method.
The content of the invention
For defect of the prior art, present invention aims at a kind of modification method of lead-contaminated soil is provided, with profit
Combined with lead with fishbone dust and generate harmless phosphorus chlorine lead, the active lead in reduction soil, so as to reach that the lead of improvement is dirty
Contaminate the effect of soil；Modification method cost is low, workable, has a wide range of application.
To achieve the above object, the technical scheme that provides of the present invention is：
The invention provides a kind of modification method of lead-contaminated soil, comprise the following steps：S1：Lead-contaminated soil is carried out
Turn over；S2：Fishbone dust is sowed in the lead-contaminated soil after step S1 processing；S3：In the lead after step S2 processing
Water drenching in contaminated soil, is then well mixed；S4：In the surface cover film of the lead-contaminated soil after step S3 processing,
The lead-contaminated soil under film covering is set to be fermented.It should be noted that plastic sheeting is insulation, moisture-keeping function, thickness
It is suitable；Thick can reuse.
In the further embodiment of the present invention, in step S4, the temperature of fermentation is 32~40 DEG C, and the time of fermentation is
15~20 days.
In the further embodiment of the present invention, in step S3, water drenching amount is 80~100g/kg soil.
In the further embodiment of the present invention, in step S2, the matter for sowing the lead in quality and soil of fishbone dust
The ratio of amount is (0.1~0.2):1.In step S1, turning over is turned over using subsoiling plough, and tilling depth is 30~40cm.Need
It is bright, gather the quality for sowing the lead in quality and soil of the soil of lead contamination, the content of detection lead contamination, then fishbone dust
Ratio, calculate the actual amount of fishbone dust.
In the further embodiment of the present invention, in step S2, fishbone dust is to be crushed fish-bone, obtains particle diameter small
In 0.1mm fishbone dust.
The present invention further embodiment in, in step S2, the raw material components of fishbone dust by weight, including：
The parts by weight of fish-bone 40~50, the parts by weight of chicken bone 3~5, the parts by weight of pig bone 10~12 and the parts by weight of boric acid 1~2.
In the further embodiment of the present invention, in step S2, the raw material components of fishbone dust also include：Spirulina powder 5
~7 parts by weight, the parts by weight of bentonite 2~3 and the parts by weight of brown alga powder 1~2.
In the further embodiment of the present invention, in step S2, the preparation method of fishbone dust comprises the following steps：By fish
Bone, chicken bone and pig bone are crushed, and obtain the mixed-powder that particle diameter is less than 0.1mm, then add other surplus stock components, and mixing is equal
It is even, obtain fishbone dust.
In the further embodiment of the present invention, according to actual needs, circulated using step S1 to step S4 method
Improvement is multiple.
The technical scheme that the present invention is provided, with following beneficial effect：(1) present invention is dirty to lead by using fishbone dust
Dye soil is improved, and is to be combined to generate harmless phosphorus chlorine lead with fishbone dust using lead, the active lead in reduction soil,
So as to reach the effect of improvement；(2) the modification method cost for the lead-contaminated soil that the present invention is provided is low, workable, application
Scope is wide.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Embodiment
Below in conjunction with the embodiment of the present invention, technical scheme is clearly and completely described.Implement below
Example is only used for clearly illustrating technical scheme, therefore is intended only as example, and can not limit this hair with this
Bright protection domain.
Experimental method in following embodiments, is conventional method unless otherwise specified.Examination used in following embodiments
Material is tested, is to be commercially available from regular shops unless otherwise specified.Quantitative test in following examples, is respectively provided with three
Secondary to repeat to test, data are the average value or mean+SD of three repetition experiments.
The present invention provides a kind of modification method of lead-contaminated soil, comprises the following steps：
S1：Lead-contaminated soil is turned over using subsoiling plough, tilling depth is 30~40cm；
S2：The fishbone dust that particle diameter is less than 0.1mm is sowed in the lead-contaminated soil after step S1 processing, fishbone dust
The ratio for sowing the quality of the lead in quality and soil is (0.1~0.2):1；
Wherein, fishbone dust is to be crushed fish-bone, obtains the fishbone dust that particle diameter is less than 0.1mm；Or the original of fishbone dust
Expect component by weight, including：The parts by weight of fish-bone 40~50, the parts by weight of chicken bone 3~5, the parts by weight of pig bone 10~12 and boric acid 1
~2 parts by weight, it is preferable that also including the parts by weight of spirulina powder 5~7, the parts by weight of bentonite 2~3 and the parts by weight of brown alga powder 1~2,
The preparation method of fishbone dust comprises the following steps：Fish-bone, chicken bone and pig bone are crushed, the mixed powder that particle diameter is less than 0.1mm is obtained
End, then adds other surplus stock components, is well mixed, obtains fishbone dust；
S3：The water drenching in the lead-contaminated soil after step S2 processing, water drenching amount is 80~100g/kg soil, then
It is well mixed；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead contamination under film covering
Soil is fermented, and the temperature of fermentation is 32~40 DEG C, and the time of fermentation is 15~20 days.
The modification method of the lead-contaminated soil provided with reference to specific embodiment the present invention is described further.
Embodiment one
The present embodiment provides a kind of modification method of lead-contaminated soil, comprises the following steps：
S1：Lead-contaminated soil is turned over using subsoiling plough, tilling depth is 30cm；
S2：The fishbone dust that particle diameter is less than 0.1mm is sowed in the lead-contaminated soil after step S1 processing, fishbone dust
The ratio for sowing the quality of the lead in quality and soil is 0.1:1；Wherein, fishbone dust is crushed fish-bone, obtains particle diameter small
In 0.1mm fishbone dust；
S3：The water drenching in the lead-contaminated soil after step S2 processing, water drenching amount is 80g/kg soil, then mixes equal
It is even；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead contamination under film covering
Soil is fermented, and the temperature of fermentation is 32 DEG C, and the time of fermentation is 15 days.
Embodiment two
The present embodiment provides a kind of modification method of lead-contaminated soil, comprises the following steps：
S1：Lead-contaminated soil is turned over using subsoiling plough, tilling depth is 40cm；
S2：The fishbone dust that particle diameter is less than 0.1mm is sowed in the lead-contaminated soil after step S1 processing, fishbone dust
The ratio for sowing the quality of the lead in quality and soil is 0.2:1；Wherein, fishbone dust is crushed fish-bone, obtains particle diameter small
In 0.1mm fishbone dust；
S3：The water drenching in the lead-contaminated soil after step S2 processing, water drenching amount is 100g/kg soil, is then mixed
Uniformly；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead contamination under film covering
Soil is fermented, and the temperature of fermentation is 40 DEG C, and the time of fermentation is 20 days.
Embodiment three
The present embodiment provides a kind of modification method of lead-contaminated soil, comprises the following steps：
S1：Lead-contaminated soil is turned over using subsoiling plough, tilling depth is 35cm；
S2：The fishbone dust that particle diameter is less than 0.1mm is sowed in the lead-contaminated soil after step S1 processing, fishbone dust
The ratio for sowing the quality of the lead in quality and soil is 0.15:1；Wherein, fishbone dust is crushed fish-bone, obtains particle diameter small
In 0.1mm fishbone dust；
S3：The water drenching in the lead-contaminated soil after step S2 processing, water drenching amount is 90g/kg soil, then mixes equal
It is even；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead contamination under film covering
Soil is fermented, and the temperature of fermentation is 36 DEG C, and the time of fermentation is 18 days.
Example IV
The present embodiment provides a kind of modification method of lead-contaminated soil, comprises the following steps：
S1：Lead-contaminated soil is turned over using subsoiling plough, tilling depth is 30cm；
S2：The fishbone dust that particle diameter is less than 0.1mm is sowed in the lead-contaminated soil after step S1 processing, fishbone dust
The ratio for sowing the quality of the lead in quality and soil is 0.1:1；Wherein, the raw material components of fishbone dust by weight, including：
The parts by weight of fish-bone 40, the parts by weight of chicken bone 5, the parts by weight of pig bone 10 and the parts by weight of boric acid 2, the preparation method of fishbone dust include following step
Suddenly：Fish-bone, chicken bone and pig bone are crushed, the mixed-powder that particle diameter is less than 0.1mm is obtained, then adds other surplus stock groups
Point, it is well mixed, obtains fishbone dust；
S3：The water drenching in the lead-contaminated soil after step S2 processing, water drenching amount is 80g/kg soil, then mixes equal
It is even；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead contamination under film covering
Soil is fermented, and the temperature of fermentation is 32 DEG C, and the time of fermentation is 15 days.
Embodiment five
The present embodiment provides a kind of modification method of lead-contaminated soil, comprises the following steps：
S1：Lead-contaminated soil is turned over using subsoiling plough, tilling depth is 40cm；
S2：The fishbone dust that particle diameter is less than 0.1mm is sowed in the lead-contaminated soil after step S1 processing, fishbone dust
The ratio for sowing the quality of the lead in quality and soil is 0.2:1；Wherein, the raw material components of fishbone dust by weight, including：
The parts by weight of fish-bone 50, the parts by weight of chicken bone 3, the parts by weight of pig bone 12 and the parts by weight of boric acid 1, the preparation method of fishbone dust include following step
Suddenly：Fish-bone, chicken bone and pig bone are crushed, the mixed-powder that particle diameter is less than 0.1mm is obtained, then adds other surplus stock groups
Point, it is well mixed, obtains fishbone dust；
S3：The water drenching in the lead-contaminated soil after step S2 processing, water drenching amount is 100g/kg soil, is then mixed
Uniformly；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead contamination under film covering
Soil is fermented, and the temperature of fermentation is 40 DEG C, and the time of fermentation is 20 days.
Embodiment six
The present embodiment provides a kind of modification method of lead-contaminated soil, comprises the following steps：
S1：Lead-contaminated soil is turned over using subsoiling plough, tilling depth is 35cm；
S2：The fishbone dust that particle diameter is less than 0.1mm is sowed in the lead-contaminated soil after step S1 processing, fishbone dust
The ratio for sowing the quality of the lead in quality and soil is 0.15:1；Wherein, the raw material components of fishbone dust by weight, are wrapped
Include：The parts by weight of fish-bone 45, the parts by weight of chicken bone 4, the parts by weight of pig bone 11 and the parts by weight of boric acid 1.5, the preparation method of fishbone dust include
Following steps：Fish-bone, chicken bone and pig bone are crushed, the mixed-powder that particle diameter is less than 0.1mm is obtained, then added other remaining former
Expect component, be well mixed, obtain fishbone dust；
S3：The water drenching in the lead-contaminated soil after step S2 processing, water drenching amount is 90g/kg soil, then mixes equal
It is even；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead contamination under film covering
Soil is fermented, and the temperature of fermentation is 36 DEG C, and the time of fermentation is 18 days.
Embodiment seven
The present embodiment provides a kind of modification method of lead-contaminated soil, comprises the following steps：
S1：Lead-contaminated soil is turned over using subsoiling plough, tilling depth is 30cm；
S2：The fishbone dust that particle diameter is less than 0.1mm is sowed in the lead-contaminated soil after step S1 processing, fishbone dust
The ratio for sowing the quality of the lead in quality and soil is 0.1:1；Wherein, the raw material components of fishbone dust by weight, including：
The parts by weight of fish-bone 40, the parts by weight of chicken bone 5, the parts by weight of pig bone 10, the parts by weight of boric acid 2, the parts by weight of spirulina powder 5, the weight of bentonite 3
Part and the parts by weight of brown alga powder 1, the preparation method of fishbone dust comprise the following steps：Fish-bone, chicken bone and pig bone are crushed, particle diameter is obtained
Mixed-powder less than 0.1mm, then adds other surplus stock components, is well mixed, obtains fishbone dust；
S3：The water drenching in the lead-contaminated soil after step S2 processing, water drenching amount is 80g/kg soil, then mixes equal
It is even；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead contamination under film covering
Soil is fermented, and the temperature of fermentation is 32 DEG C, and the time of fermentation is 15 days.
Embodiment eight
The present embodiment provides a kind of modification method of lead-contaminated soil, comprises the following steps：
S1：Lead-contaminated soil is turned over using subsoiling plough, tilling depth is 40cm；
S2：The fishbone dust that particle diameter is less than 0.1mm is sowed in the lead-contaminated soil after step S1 processing, fishbone dust
The ratio for sowing the quality of the lead in quality and soil is 0.2:1；Wherein, the raw material components of fishbone dust by weight, including：
The parts by weight of fish-bone 50, the parts by weight of chicken bone 3, the parts by weight of pig bone 12, the parts by weight of boric acid 1, the parts by weight of spirulina powder 7, the weight of bentonite 2
Part and the parts by weight of brown alga powder 2, the preparation method of fishbone dust comprise the following steps：Fish-bone, chicken bone and pig bone are crushed, particle diameter is obtained
Mixed-powder less than 0.1mm, then adds other surplus stock components, is well mixed, obtains fishbone dust；
S3：The water drenching in the lead-contaminated soil after step S2 processing, water drenching amount is 100g/kg soil, is then mixed
Uniformly；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead contamination under film covering
Soil is fermented, and the temperature of fermentation is 40 DEG C, and the time of fermentation is 20 days.
Embodiment nine
The present embodiment provides a kind of modification method of lead-contaminated soil, comprises the following steps：
S1：Lead-contaminated soil is turned over using subsoiling plough, tilling depth is 35cm；
S2：The fishbone dust that particle diameter is less than 0.1mm is sowed in the lead-contaminated soil after step S1 processing, fishbone dust
The ratio for sowing the quality of the lead in quality and soil is 0.15:1；Wherein, the raw material components of fishbone dust by weight, are wrapped
Include：The parts by weight of fish-bone 45, the parts by weight of chicken bone 4, the parts by weight of pig bone 11, the parts by weight of boric acid 1.5, the parts by weight of spirulina powder 6, bentonite
2.5 parts by weight and the parts by weight of brown alga powder 1.5, the preparation method of fishbone dust comprise the following steps：By fish-bone, chicken bone and Os Sus domestica powder
It is broken, the mixed-powder that particle diameter is less than 0.1mm is obtained, other surplus stock components are then added, is well mixed, obtains fishbone dust；
S3：The water drenching in the lead-contaminated soil after step S2 processing, water drenching amount is 90g/kg soil, then mixes equal
It is even；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead contamination under film covering
Soil is fermented, and the temperature of fermentation is 36 DEG C, and the time of fermentation is 18 days.
The content of the active lead in soil before detection present invention improvement, and detect by the embodiment of the present invention one to reality
The content of active lead in soil after the method improvement of the offer of example nine is provided, the reduced rate of active lead, concrete outcome is calculated
It is as shown in table 1 below.
The reduced rate statistical result of the active lead of table 1
| Group | Embodiment one | Embodiment two | Embodiment three |
| Active lead reduced rate in soil | 57.6% | 56.9% | 58.2% |
| Group | Example IV | Embodiment five | Embodiment six |
| Active lead reduced rate in soil | 70.3% | 70.0% | 70.9% |
| Group | Embodiment seven | Embodiment eight | Embodiment nine |
| Active lead reduced rate in soil | 81.7% | 81.9% | 82.6% |
It should be noted that situation about being enumerated to embodiment nine except above-described embodiment one, from other method parameters
It is also feasible.
The technical scheme that the present invention is provided, with following beneficial effect：(1) present invention is dirty to lead by using fishbone dust
Dye soil is improved, and is to be combined to generate harmless phosphorus chlorine lead with fishbone dust using lead, the active lead in reduction soil,
So as to reach the effect of improvement；(2) the modification method cost for the lead-contaminated soil that the present invention is provided is low, workable, application
Scope is wide.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this hair
The ordinary meaning that bright one of ordinary skill in the art are understood.Unless specifically stated otherwise, otherwise illustrate in these embodiments
Part and relative step, numerical expression and the numerical value of step are not limit the scope of the invention.It is illustrated and described herein
In all examples, unless otherwise prescribed, any occurrence should be construed as merely exemplary, not as limitation, because
This, other examples of exemplary embodiment can have different values.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implies relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", one or more this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention,
" multiple " are meant that two or more, unless otherwise specifically defined.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among protection scope of the present invention.
Claims (10)
1. a kind of modification method of lead-contaminated soil, it is characterised in that comprise the following steps：
S1：Lead-contaminated soil is turned over；
S2：Fishbone dust is sowed in the lead-contaminated soil after step S1 processing；
S3：The water drenching in the lead-contaminated soil after step S2 processing, is then well mixed；
S4：In the surface cover film of the lead-contaminated soil after step S3 processing, make the lead-contaminated soil under film covering
Fermented.
2. the modification method of lead-contaminated soil according to claim 1, it is characterised in that：
In step S4, the temperature of the fermentation is 32~40 DEG C, and the time of the fermentation is 15~20 days.
3. the modification method of lead-contaminated soil according to claim 1, it is characterised in that：
In step S3, water drenching amount is 80~100g/kg soil.
4. the modification method of lead-contaminated soil according to claim 1, it is characterised in that：
In step S2, the ratio of the quality for sowing the lead in quality and soil of the fishbone dust is (0.1~0.2):1.
5. the modification method of lead-contaminated soil according to claim 1, it is characterised in that：
In step S1, described turn over is turned over using subsoiling plough, and tilling depth is 30~40cm.
6. the modification method of lead-contaminated soil according to claim 1, it is characterised in that：
In step S2, the fishbone dust is to be crushed fish-bone, obtains the fishbone dust that particle diameter is less than 0.1mm.
7. the modification method of lead-contaminated soil according to claim 1, it is characterised in that：
In step S2, the raw material components of the fishbone dust by weight, including：The parts by weight of fish-bone 40~50, the weight of chicken bone 3~5
Measure part, the parts by weight of pig bone 10~12 and the parts by weight of boric acid 1~2.
8. the modification method of lead-contaminated soil according to claim 7, it is characterised in that：
In step S2, the raw material components of the fishbone dust also include：The parts by weight of spirulina powder 5~7, the parts by weight of bentonite 2~3 and
The parts by weight of brown alga powder 1~2.
9. the modification method of the lead-contaminated soil according to claim 7 or 8, it is characterised in that：
In step S2, the preparation method of the fishbone dust comprises the following steps：Fish-bone, chicken bone and pig bone are crushed, particle diameter is obtained
Mixed-powder less than 0.1mm, then adds other surplus stock components, is well mixed, obtains the fishbone dust.
10. the modification method of lead-contaminated soil according to claim 1, it is characterised in that：
According to actual needs, it is multiple using step S1 to step S4 method circulation improvement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652948.9A CN107321783B (en) | 2017-08-02 | 2017-08-02 | Method for improving lead-polluted soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652948.9A CN107321783B (en) | 2017-08-02 | 2017-08-02 | Method for improving lead-polluted soil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107321783A true CN107321783A (en) | 2017-11-07 |
| CN107321783B CN107321783B (en) | 2020-01-21 |
Family
ID=60225191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710652948.9A Expired - Fee Related CN107321783B (en) | 2017-08-02 | 2017-08-02 | Method for improving lead-polluted soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107321783B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928179A (en) * | 2009-06-19 | 2010-12-29 | 深圳市意可曼生物科技有限公司 | Slow release fertilizer having soil remediation function and soil contamination remediation method |
| CN103740373A (en) * | 2013-12-09 | 2014-04-23 | 浙江省环境保护科学设计研究院 | Stabilizing agent for heavy metal contaminated soil and preparation method and application thereof |
| CN106085450A (en) * | 2016-06-17 | 2016-11-09 | 战锡林 | Heavy-metal contaminated soil repair materials |
| CN106345803A (en) * | 2016-10-31 | 2017-01-25 | 湖南科技学院 | Soil disinfection and soil restoration method |
| CN106391691A (en) * | 2016-08-31 | 2017-02-15 | 云南能投生态环境科技有限公司 | Method for efficiently remedying heavy-metal-contaminated soil |
| CN106825007A (en) * | 2016-12-06 | 2017-06-13 | 广州富生源环保工程有限公司 | A kind of method for administering heavy-metal contaminated soil |
-
2017
- 2017-08-02 CN CN201710652948.9A patent/CN107321783B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928179A (en) * | 2009-06-19 | 2010-12-29 | 深圳市意可曼生物科技有限公司 | Slow release fertilizer having soil remediation function and soil contamination remediation method |
| CN103740373A (en) * | 2013-12-09 | 2014-04-23 | 浙江省环境保护科学设计研究院 | Stabilizing agent for heavy metal contaminated soil and preparation method and application thereof |
| CN106085450A (en) * | 2016-06-17 | 2016-11-09 | 战锡林 | Heavy-metal contaminated soil repair materials |
| CN106391691A (en) * | 2016-08-31 | 2017-02-15 | 云南能投生态环境科技有限公司 | Method for efficiently remedying heavy-metal-contaminated soil |
| CN106345803A (en) * | 2016-10-31 | 2017-01-25 | 湖南科技学院 | Soil disinfection and soil restoration method |
| CN106825007A (en) * | 2016-12-06 | 2017-06-13 | 广州富生源环保工程有限公司 | A kind of method for administering heavy-metal contaminated soil |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107321783B (en) | 2020-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Tang et al. | Effects of long-term manure applications on the occurrence of antibiotics and antibiotic resistance genes (ARGs) in paddy soils: evidence from four field experiments in south of China | |
| Tyrrell et al. | Antibiotic resistance in grass and soil | |
| Li et al. | Response of soil organic carbon fractions, microbial community composition and carbon mineralization to high-input fertilizer practices under an intensive agricultural system | |
| Gao et al. | Effect of different tillage systems on aggregate structure and inner distribution of organic carbon | |
| Tejada et al. | Application of a green manure and green manure composted with beet vinasse on soil restoration: effects on soil properties | |
| Lienhard et al. | No-till and cover crops shift soil microbial abundance and diversity in Laos tropical grasslands | |
| Pajares et al. | Enzyme activity as an indicator of soil quality changes in degraded cultivated Acrisols in the Mexican Trans‐volcanic Belt | |
| Zhang et al. | Soil type shapes the antibiotic resistome profiles of long-term manured soil | |
| CN105618478A (en) | Biological soil remediation agent and method for remediating soil | |
| Yu-jie et al. | Effects of tillage methods on soil physicochemical properties and biological characteristics in farmland: A review. | |
| Mohmmadi Samani et al. | Effect of land-use changes on chemical and physical properties of soil in western Iran (Zagros oak forests) | |
| Baruah et al. | Fertility status of soil in the tea garden belts of golaghat district, Assam, India | |
| Adhikari et al. | Management and implications of using nitrification inhibitors to reduce nitrous oxide emissions from urine patches on grazed pasture soils–A review | |
| CN103937700A (en) | Composite biological agent used for restoring cadmium polluted soil, and its preparation method | |
| CN105838382A (en) | Efficient cadmium reduction soil repair agent and application thereof | |
| CN110003913A (en) | It is a kind of based on magnesia-montmorillonite composite material mixed biologic charcoal heavy metal soil-repairing agent and restorative procedure | |
| Kong et al. | Efficiency of biochar, nitrogen addition, and microbial agent amendments in remediation of soil properties and microbial community in Qilian Mountains mine soils | |
| Mateo‐Marín et al. | Impacts of tillage and nutrient management on soil porosity trends in dryland agriculture | |
| Tiecher et al. | Chemical, biological, and biochemical parameters of the soil p cycle after long-term pig slurry application in no-tillage system | |
| Ming-gang et al. | Advance in research of synergistic effects of soil carbon sequestration on crop yields improvement in croplands | |
| Zhang et al. | Subsurface organic ameliorant plus polyethylene mulching strengthened soil organic carbon by altering saline soil aggregate structure and regulating the fungal community | |
| CN107321783A (en) | The modification method of lead-contaminated soil | |
| CN107033920A (en) | A kind of heavy metal deactivator repaired for rice terrace cadmium pollution and preparation method thereof and application process | |
| Jakubauskaite et al. | Model‐centric optimisation of biochemical remediation of petroleum hydrocarbon contaminated soil | |
| CN106807733A (en) | Soil-repairing agent and its application method containing high-efficiency cleaning organic matter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |