CN106916593A - A kind of aeolian sandy soil renovation agent and preparation method thereof and aeolian sandy soil restorative procedure - Google Patents
A kind of aeolian sandy soil renovation agent and preparation method thereof and aeolian sandy soil restorative procedure Download PDFInfo
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- CN106916593A CN106916593A CN201710079277.1A CN201710079277A CN106916593A CN 106916593 A CN106916593 A CN 106916593A CN 201710079277 A CN201710079277 A CN 201710079277A CN 106916593 A CN106916593 A CN 106916593A
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- 239000002689 soil Substances 0.000 title claims abstract description 150
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 66
- 238000009418 renovation Methods 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 241001670242 Artemisia filifolia Species 0.000 claims abstract description 92
- 235000015702 Artemisia filifolia Nutrition 0.000 claims abstract description 90
- 239000000203 mixture Substances 0.000 claims abstract description 45
- 239000010802 sludge Substances 0.000 claims abstract description 34
- 239000010881 fly ash Substances 0.000 claims abstract description 27
- 241000196324 Embryophyta Species 0.000 claims abstract description 23
- 239000006228 supernatant Substances 0.000 claims abstract description 13
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000004062 sedimentation Methods 0.000 claims abstract description 6
- 239000011363 dried mixture Substances 0.000 claims description 14
- 230000005251 gamma ray Effects 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000006866 deterioration Effects 0.000 abstract description 2
- 239000004576 sand Substances 0.000 abstract description 2
- 230000007480 spreading Effects 0.000 abstract description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 11
- 230000008859 change Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 230000004060 metabolic process Effects 0.000 description 5
- 241000589651 Zoogloea Species 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 231100000584 environmental toxicity Toxicity 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 235000015097 nutrients Nutrition 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 235000016709 nutrition Nutrition 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000013211 Adiantum capillus veneris Nutrition 0.000 description 2
- 241001148501 Adiantum pedatum Species 0.000 description 2
- 244000172271 Malva crispa Species 0.000 description 2
- 235000002795 Malva verticillata var verticillata Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 241000647439 Artemisia ordosica Species 0.000 description 1
- 240000006891 Artemisia vulgaris Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
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- 229910052732 germanium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 244000000010 microbial pathogen Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- 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
- C09K2105/00—Erosion prevention
Abstract
It is first (5~10) according to mass ratio the present invention relates to a kind of aeolian sandy soil renovation agent and preparation method thereof and aeolian sandy soil restorative procedure：100, take flyash and mix with municipal sludge, obtain mixture A；Mixture A to obtaining carries out radiation treatment；Room temperature is cooled to after radiation treatment and by sedimentation, isolates supernatant, remaining precipitum is aeolian sandy soil renovation agent.Aeolian sandy soil renovation agent is well mixed with aeolian sandy soil, obtains mixture B, and the mixture B that will be obtained is dried as plantation soil, and sand sagebrush (Artemisia filifolia) plant is planted wherein, in being grown under natural lighting, carries out aeolian sandy soil reparation.The present invention carries out the reparation of aeolian sandy soil, realizes that flyash is turned waste into wealth with municipal sludge by the way that aeolian sandy soil renovation agent is obtained with aeolian sandy soil, plantation sand sagebrush (Artemisia filifolia) is imposed on, and has contained spreading for aeolian sandy soil, reduces the deterioration of sand ground.
Description
【Technical field】
The invention belongs to soil remediation field, it is related to a kind of aeolian sandy soil renovation agent and preparation method thereof and aeolian sandy soil reparation side
Method.
【Background technology】
Soil wind erosion is desertified, and is not only ecological problem, environmental problem, is also that political issue, economic problems, social safety are asked
Topic.Silk Road economy-zone is made a general survey of, majority state soil seriously desertifies.With industrialized fast development, soil wind erosion is desertified
Process is not effectively controlled not only, and is accompanied by industrial domestic pollution and further spreads, and has a strong impact on " a band one
The propulsion that road " is built.
In recent years, " treatment of wastes with processes of wastes against one another, waste resource is recycled " has obtained extensive attention and research, especially as city is dirty
This kind of amount of mud, flyash is big, with serious pollution solid waste, if can realize its recycling, turn bane into boon, become give up into
Treasured, will be the important measures for alleviating the problems such as deficient china natural resources, solution environmental pollution.The scholar's research such as Peyton show, city
Containing the N needed for abundant plant, P, K, Mg, organic matter and other trace elements etc. in city's sludge, sludge with after being applied to soil,
The physicochemical property in soil can effectively be improved, significantly increase plant biomass (Peyton D.P., Healy M.G.,
Fleming G.T.A.,Grant J.,Wall D.,Morrison L.,Cormican M.,Fenton
O..2016.Nutrient,metal and microbial loss in surface runoff following treated
sludge and dairy cattle slurry application to an Irish grassland soil.Science
of The Total Environment,(541):218-229.).Hu Yutong (Hu Yutong, Shi Lianhui, Liu Dengmin, Tong Shaowei,
Influence application of Wei Meiyan, Sun Jie the .2014. different proportions perlite to sludge composting physicochemical character and maidenhair growth is ecological
Journal, 25 (7):1949-1954.) (Yang Peng, Wang Dongqi, Qiu Ling, Zhang Keqiang .2015. digested sludges are through ozone-ultraviolet with Yang Peng
Treatment is to great Ye curled mallow water planting yield and the influence agro-environment science journals of quality, 34 (9):The scholar such as 1653-1658.)
Once report sludge can be effectively facilitated the growth of maidenhair and great Ye curled mallow, and crop yield substantially increases.But due to sludge
In contain various heavy, the popularization of sludge landfill characteristics is govern always.
【The content of the invention】
It is an object of the invention to overcome problems of the prior art, there is provided a kind of aeolian sandy soil renovation agent and its preparation
Method and aeolian sandy soil restorative procedure, aeolian sandy soil renovation agent is prepared by main component of flyash and municipal sludge, with imposing on dust storm
Soil simultaneously acts on sand sagebrush (Artemisia filifolia) and repairs aeolian sandy soil, and can reduce the heavy metal in sludge.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
Comprise the following steps：
(1) it is (5~10) according to mass ratio：100, take flyash and mix with municipal sludge, obtain mixture A；
(2) radiation treatment is carried out to the mixture A for obtaining；Room temperature is cooled to after radiation treatment and by sedimentation, isolated
Supernatant, remaining precipitum is aeolian sandy soil renovation agent.
Further, it is 2~10kGy to irradiate measures range in step (2) in radiation treatment.
Further, radiated by gamma-ray is used in step (2) in radiation treatment, exposure time is 5~30min.
Further, 0.5~2h of sedimentation in step (2).
Aeolian sandy soil renovation agent obtained in preparation method as described above.
The method for carrying out aeolian sandy soil reparation using aeolian sandy soil renovation agent as described above：Comprise the following steps：
1) aeolian sandy soil renovation agent is well mixed with aeolian sandy soil, obtains mixture B, the mixture B that will be obtained is dried；
2) using dry mixture B as plantation soil, sand sagebrush (Artemisia filifolia) plant is planted wherein, in being grown under natural lighting, carry out
Aeolian sandy soil is repaired.
Further, step 1) in aeolian sandy soil renovation agent and aeolian sandy soil according to volume ratio 1:(1~4) is mixed.
Further, step 1) in mixture B spontaneously dry at room temperature.
Further, step 2) in dried mixture B cross after 40~80 mesh sieves as plantation soil；Every plant of sand sagebrush (Artemisia filifolia) uses 8
The plantation soil plantation of~10kg.
Further, step 2), in 8~12cm, strain age is at 15~25 days for the middle sand sagebrush (Artemisia filifolia) plant height planted；Plantation
After growth 70~90 days under natural lighting.
Compared with prior art, the present invention has following beneficial technique effect：
The present invention interacts and carries out certain modification and prepares aeolian sandy soil reparation by flyash and municipal sludge
Agent, is rich in CaO, MgO, SiO in flyash2Deng material, while also containing K, Ca, S and some micro- (such as Zn, Ge, Ga)
Deng pH value is about 12, can be used to the acid of sweetening of the soil and kills pathogen.Additionally, flyash is loose porous, light weight grain is thin,
Surface can it is high, containing certain active group, with stronger adsorption capacity, can effectively be passivated the work of Heavy Metals in Sludge
Property.Processed by irradiation for the pathogenic microorganism present invention in sludge, test indicate that, do not sent out in renovation agent of the present invention
Existing zoogloea, protozoan, therefore the renovation agent can trust application.
The invention provides a kind of inexpensive aeolian sandy soil restorative procedure, matched somebody with somebody by prepared aeolian sandy soil renovation agent and impose on dust storm
Soil, plantation sand sagebrush (Artemisia filifolia) carries out the reparation of aeolian sandy soil, realizes that flyash is turned waste into wealth with municipal sludge, has contained spreading for aeolian sandy soil,
Reduce the deterioration of sand ground；The main restricting factor of the solid waste Land_use changes such as current sludge is heavy metal pollution problem, this hair
Bright one side has been passivated a part of heavy metal using the surface characteristic of flyash, is on the other hand passivated using the biological effect of sand sagebrush (Artemisia filifolia)
Another part heavy metal；The raw material of present invention application are discarded object, are sufficiently used the beneficiating ingredient in discarded object
The growth of sand sagebrush (Artemisia filifolia) is promoted, while stablizing in turn by the metabolism of sand sagebrush (Artemisia filifolia), improving aeolian sandy soil, reparation dust storm is finally reached
Soil, the purpose of greening environment.Aeolian sandy soil is repaired for application flyash combined city sludge, is ground there is presently no any application
Study carefully, the constituent analysis led in many present invention, if by flyash and municipal sludge by interacting, and it is definitely changed
Property treatment prepare renovation agent repair aeolian sandy soil, not only realize the purpose for turning waste into wealth, also effectively contained the climing of aeolian sandy soil
Prolong, while the greening to desert area also plays certain beneficial effect.The invention provides a kind of aeolian sandy soil restorative procedure,
Supplement the shortage of current aeolian sandy soil recovery technique；Meanwhile, showing through experimental test, the present invention can effectively reduce renovation agent with applying
Content of beary metal after aeolian sandy soil in soil, hence it is evident that reduce the biological effectiveness and eco-toxicity of Cd；Aeolian sandy soil battalion after reparation
Foster component content substantially increases, and after plantation sand sagebrush (Artemisia filifolia), stability is also ensured, by the metabolism of plant, aeolian sandy soil
Soil property will be turned to and circulated benignly.Therefore the present invention can effectively repair aeolian sandy soil, contain desert extending.
【Specific embodiment】
The present invention is described in further details with reference to specific embodiment.
What the inventive method was carried out as follows：
1) a certain amount of flyash is taken to be sufficiently mixed according to mass ratio 5~10% (wt/wt) with municipal sludge, then will be mixed
Compound irradiates 2~10kGy of measures range through radiated by gamma-ray, processes 5~30min.Sample after irradiation is cooled to room temperature,
0.5~2h of sedimentation, is filtered to remove supernatant (stand-by), obtains aeolian sandy soil renovation agent；
2) by renovation agent and aeolian sandy soil according to volume ratio 1:1~1:4 are mixed, during mixing, can be in mixture
Add a certain amount of (1) in supernatant, so as to renovation agent mix with aeolian sandy soil fully, uniform component.Mixture is at room temperature
Spontaneously dry, dried mixture is crossed standby after 40~80 mesh sieves.
3) using dried mixture in 2) as plantation soil, take 8~10kg be placed in terrine (diameter 60cm, it is high
80cm), i.e., every plant sand sagebrush (Artemisia filifolia) is planted with the plantation soil of 8~10kg.Screening sand sagebrush (Artemisia filifolia) plant, takes and grows fine, highly identical, 8~
12cm, strain age is consistent, 15~25 days, black sand sagebrush (Artemisia filifolia) (Artemisia ordosica)；The sand sagebrush (Artemisia filifolia) plant that will have been screened, plants in pottery
In tank, one is planted per tank, in being grown 70~90 days under natural lighting, growth period is typically during annual April~October.Observation is husky
Wormwood artemisia growing state and soil property change.
Step 1) flyash takes from power plant, and municipal sludge derives from municipal sewage plant.
Step 2) in aeolian sandy soil take from desert.
It is main in the technology of the present invention method to utilize flyash with municipal sludge for main component prepares aeolian sandy soil renovation agent, match somebody with somebody
Imposing on aeolian sandy soil improves its trophic structure, and acts on sand sagebrush (Artemisia filifolia) and repair aeolian sandy soil, plantation sand sagebrush (Artemisia filifolia) stabilization, improves aeolian sandy soil, most
The purpose of aeolian sandy soil reparation, environmental greening is reached eventually, the features such as with novel, unique, simple, environmental protection, low cost.
Below by embodiment, the present invention will be described in detail.
Embodiment 1
(1) sample：
Flyash takes from power plant, and municipal sludge takes from municipal sewage plant, and aeolian sandy soil takes from desert.
(2) preparation of renovation agent：
Take a certain amount of flyash to be sufficiently mixed according to mass ratio 5% (wt/wt) with municipal sludge, then pass through mixture
Radiated by gamma-ray 5min, irradiation variable is 2kGy.Sample after irradiation is cooled to room temperature, settles 0.5h, is filtered to remove
Clear liquid (stand-by), obtains aeolian sandy soil renovation agent.
(3) renovation agent is with applying aeolian sandy soil：
By renovation agent and aeolian sandy soil according to volume ratio 1:1 is mixed, during mixing, can be certain to being added in mixture
Amount (1) in supernatant, so as to renovation agent mix with aeolian sandy soil fully, uniform component.Mixture is spontaneously dried at room temperature,
Dried mixture is crossed standby after 40 mesh sieves.
(4) sand sagebrush (Artemisia filifolia) is cultivated：
Dried mixture 8kg is placed in terrine (diameter 60cm, 80cm high) in taking (2).Take grow fine, height phase
Planted in terrine with and for the black sand sagebrush (Artemisia filifolia) plant of 8cm, strain age unanimously and for 15 days, one is planted per tank, during April~October
In growth 70 days under natural lighting.Observation sand sagebrush (Artemisia filifolia) growing state and soil property change.
The security of renovation agent：
The security of the renovation agent prepared in above-described embodiment is shown in Table 1-1, table 1-2.
Table 1-1 microorganism microscopic examination results
Understand not finding zoogloea, protozoan in renovation agent by table 1-1 data, only have bacterium to give birth to by flat board culture
Grow, and quantity is very low.
Table 1-2 is with applying heavy metal in soil content
Understand that renovation agent only has Cd contents beyond GB with the heavy metal in soil after applying aeolian sandy soil by table 1-2 data
GB15618-1995。
Cd occurrence patterns change in soil before and after the plantation of table 1-3 sand sagebrush (Artemisia filifolia)s
From table 1-3, after sand sagebrush (Artemisia filifolia) plantation, the residual form of Cd substantially increases in Soil-in-Root.This shows that sand sagebrush (Artemisia filifolia) can reduce this
The biological effectiveness and eco-toxicity of a little Cd.
In sum, the technology of the present invention does not exist potential safety hazard.
Aeolian sandy soil nutritional ingredient changes before and after table 1-4 is repaired
From table 1-4 data, the aeolian sandy soil nutrient composition content after reparation substantially increases, after plantation sand sagebrush (Artemisia filifolia), stability
Also ensured, by the metabolism of plant, the soil property of aeolian sandy soil will be turned to and circulated benignly.Therefore the technology can be effectively
Aeolian sandy soil is repaired, contains desert extending.
Embodiment 2
(1) sampling of flyash, municipal sludge, aeolian sandy soil is with embodiment 1.
(2) preparation of renovation agent：
Take a certain amount of flyash to be sufficiently mixed according to mass ratio 6% (wt/wt) with municipal sludge, then pass through mixture
Radiated by gamma-ray 10min, irradiation variable is 3kGy.Sample after irradiation is cooled to room temperature, settles 0.8h, is filtered to remove
Clear liquid (stand-by), obtains aeolian sandy soil renovation agent.
(3) renovation agent is with applying aeolian sandy soil：
By renovation agent and aeolian sandy soil according to volume ratio 1:2 are mixed, during mixing, can be certain to being added in mixture
Amount (1) in supernatant, so as to renovation agent mix with aeolian sandy soil fully, uniform component.Mixture is spontaneously dried at room temperature,
Dried mixture is crossed standby after 50 mesh sieves.
(4) sand sagebrush (Artemisia filifolia) is cultivated：
Dried mixture 8.5kg is placed in terrine (diameter 60cm, 80cm high) in taking (2).Take grow fine, height
Identical and for 9cm, strain age unanimously and for 17 days black sand sagebrush (Artemisia filifolia) plant is planted in terrine, one is planted per tank, under natural lighting
Growth 75 days.Observation sand sagebrush (Artemisia filifolia) growing state and soil property change.
The security of renovation agent：
The security of the renovation agent prepared in above-described embodiment is shown in Table 2-1, table 2-2.
Table 2-1 microorganism microscopic examination results
Understand not finding zoogloea, protozoan in renovation agent by table 2-1 data, only have bacterium to give birth to by flat board culture
Grow, and quantity is very low.
Table 2-2 is with applying heavy metal in soil content
Understand that renovation agent only has Cd contents beyond GB with the heavy metal in soil after applying aeolian sandy soil by table 2-2 data
GB15618-1995。
Cd occurrence patterns change in soil before and after the plantation of table 2-3 sand sagebrush (Artemisia filifolia)s
From table 2-3, after sand sagebrush (Artemisia filifolia) plantation, the residual form of Cd substantially increases in Soil-in-Root.This shows that sand sagebrush (Artemisia filifolia) can reduce this
The biological effectiveness and eco-toxicity of a little Cd.
In sum, the technology of the present invention does not exist potential safety hazard.
Aeolian sandy soil nutritional ingredient changes before and after table 2-4 is repaired
From table 2-4 data, the aeolian sandy soil nutrient composition content after reparation substantially increases, after plantation sand sagebrush (Artemisia filifolia), stability
Also ensured, by the metabolism of plant, the soil property of aeolian sandy soil will be turned to and circulated benignly.Therefore the technology can be effectively
Aeolian sandy soil is repaired, contains desert extending.
Embodiment 3
(1) sampling of flyash, municipal sludge, aeolian sandy soil is with embodiment 1.
(2) preparation of renovation agent：
Take a certain amount of flyash to be sufficiently mixed according to mass ratio 7% (wt/wt) with municipal sludge, then pass through mixture
Radiated by gamma-ray 20min, irradiation variable is 5kGy.Sample after irradiation is cooled to room temperature, settles 1h, is filtered to remove supernatant
Liquid (stand-by), obtains aeolian sandy soil renovation agent.
(3) renovation agent is with applying aeolian sandy soil：
By renovation agent and aeolian sandy soil according to volume ratio 1:3 are mixed, during mixing, can be certain to being added in mixture
Amount (1) in supernatant, so as to renovation agent mix with aeolian sandy soil fully, uniform component.Mixture is spontaneously dried at room temperature,
Dried mixture is crossed standby after 60 mesh sieves.
(4) sand sagebrush (Artemisia filifolia) is cultivated：
Dried mixture 9kg is placed in terrine (diameter 60cm, 80cm high) in taking (2).Take grow fine, height phase
Planted in terrine with and for the black sand sagebrush (Artemisia filifolia) plant of 10cm, strain age unanimously and for 19 days, one is planted per tank, in raw under natural lighting
It is long 80 days.Observation sand sagebrush (Artemisia filifolia) growing state and soil property change.
The security of renovation agent：
The security of the renovation agent prepared in above-described embodiment is shown in Table 3-1, table 3-2.
Table 3-1 microorganism microscopic examination results
Understand not finding zoogloea, protozoan in renovation agent by table 3-1 data, only have bacterium to give birth to by flat board culture
Grow, and quantity is very low.
Table 3-2 is with applying heavy metal in soil content
Understand that renovation agent only has Cd contents beyond GB with the heavy metal in soil after applying aeolian sandy soil by table 3-2 data
GB15618-1995。
Cd occurrence patterns change in soil before and after the plantation of table 3-3 sand sagebrush (Artemisia filifolia)s
From table 3-3, after sand sagebrush (Artemisia filifolia) plantation, the residual form of Cd substantially increases in Soil-in-Root.This shows that sand sagebrush (Artemisia filifolia) can reduce this
The biological effectiveness and eco-toxicity of a little Cd.
In sum, the technology of the present invention does not exist potential safety hazard.
Aeolian sandy soil nutritional ingredient changes before and after table 3-4 is repaired
From table 3-4 data, the aeolian sandy soil nutrient composition content after reparation substantially increases, after plantation sand sagebrush (Artemisia filifolia), stability
Also ensured, by the metabolism of plant, the soil property of aeolian sandy soil will be turned to and circulated benignly.Therefore the technology can be effectively
Aeolian sandy soil is repaired, contains desert extending.
Embodiment 4
Flyash, municipal sludge, the sampling of aeolian sandy soil are with embodiment 1.Take a certain amount of flyash and municipal sludge according to
Mass ratio 8% (wt/wt) is sufficiently mixed, and then by mixture through radiated by gamma-ray 25min, irradiation variable is 7kGy.Spoke
Sample according to after is cooled to room temperature, settles 1.5h, is filtered to remove supernatant (stand-by), obtains aeolian sandy soil renovation agent.To be repaiied
Multiple agent is with aeolian sandy soil according to volume ratio 1:3.5 are mixed, during mixing, can be to adding a certain amount of supernatant in mixture
Liquid, so as to renovation agent mix with aeolian sandy soil fully, uniform component.Mixture is spontaneously dried at room temperature, dried mixture
Cross standby after 70 mesh sieves.Then above-mentioned dried mixture 9.5kg is taken to be placed in terrine (diameter 60cm, 80cm high).Take length
Gesture is good, highly identical and for 11cm, strain age are consistent and black sand sagebrush (Artemisia filifolia) plant of for 22 days is planted in terrine, and one is planted per tank,
In growth 85 days under natural lighting.Observation sand sagebrush (Artemisia filifolia) growing state and soil property change.
Embodiment 5
Flyash, municipal sludge, the sampling of aeolian sandy soil are with embodiment 1.Take a certain amount of flyash and municipal sludge according to
Mass ratio 10% (wt/wt) is sufficiently mixed, and then by mixture through radiated by gamma-ray 30min, irradiation variable is 10kGy.
Sample after irradiation is cooled to room temperature, settles 2h, is filtered to remove supernatant (stand-by), obtains aeolian sandy soil renovation agent.To be repaiied
Multiple agent is with aeolian sandy soil according to volume ratio 1:4 are mixed, during mixing, can to adding a certain amount of supernatant in mixture,
So as to renovation agent mix with aeolian sandy soil fully, uniform component.Mixture is spontaneously dried at room temperature, and dried mixture crosses 80
It is standby after mesh sieve.Then above-mentioned dried mixture 10kg is placed in terrine (diameter 60cm, 80cm high).Take grow fine,
Highly identical and for 12cm, strain age unanimously and for 25 days black sand sagebrush (Artemisia filifolia) plant is planted in terrine, one is planted per tank, in natural light
According to lower growth 90 days.Observation sand sagebrush (Artemisia filifolia) growing state and soil property change.
Reparation of the above method to aeolian sandy soil had both solved the treatment handling problems of flyash and municipal sludge, contained again
The unlimited of aeolian sandy soil spreads, the method low cost, without potential safety hazard, greenery environmental protection, realizes the recycling of waste, plants
Sand sagebrush (Artemisia filifolia) may further be used to develop bio-fuel, added value is high.
Content mentioned above is only the basic explanation under present inventive concept, and according to appointing that technical scheme is made
What equivalent transformation, all should belong to protection scope of the present invention.
Claims (10)
1. a kind of preparation method of aeolian sandy soil renovation agent, it is characterised in that：Comprise the following steps：
(1) it is (5~10) according to mass ratio：100, take flyash and mix with municipal sludge, obtain mixture A；
(2) radiation treatment is carried out to the mixture A for obtaining；Room temperature is cooled to after radiation treatment and by sedimentation, isolates supernatant
Liquid, remaining precipitum is aeolian sandy soil renovation agent.
2. the preparation method of a kind of aeolian sandy soil renovation agent according to claim 1, it is characterised in that：Irradiation in step (2)
It is 2~10kGy that measures range is irradiated in treatment.
3. the preparation method of a kind of aeolian sandy soil renovation agent according to claim 1, it is characterised in that：Irradiation in step (2)
Radiated by gamma-ray is used in treatment, exposure time is 5~30min.
4. the preparation method of a kind of aeolian sandy soil renovation agent according to claim 1, it is characterised in that：Sedimentation in step (2)
0.5~2h.
5. aeolian sandy soil renovation agent obtained in preparation method as claimed in claim 1.
6. the method for carrying out aeolian sandy soil reparation using aeolian sandy soil renovation agent described in claim 5, it is characterised in that：Including following step
Suddenly：
1) aeolian sandy soil renovation agent is well mixed with aeolian sandy soil, obtains mixture B, the mixture B that will be obtained is dried；
2) using dry mixture B as plantation soil, sand sagebrush (Artemisia filifolia) plant is planted wherein, in being grown under natural lighting, carry out dust storm
Soil is repaired.
7. the method that aeolian sandy soil is repaired according to claim 6, it is characterised in that：Step 1) in aeolian sandy soil renovation agent and dust storm
Soil is according to volume ratio 1:(1~4) is mixed.
8. the method that aeolian sandy soil is repaired according to claim 6, it is characterised in that：Step 1) in mixture B at room temperature from
So dry.
9. the method that aeolian sandy soil is repaired according to claim 6, it is characterised in that：Step 2) in dried mixture B mistakes
As plantation soil after 40~80 mesh sieves；Every plant of sand sagebrush (Artemisia filifolia) is planted with the plantation soil of 8~10kg.
10. the method that aeolian sandy soil is repaired according to claim 6, it is characterised in that：Step 2) in plantation sand sagebrush (Artemisia filifolia) plant it is high
, in 8~12cm, strain age is at 15~25 days for degree；Plantation is after growth 70~90 days under natural lighting.
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| CN112375574A (en) * | 2020-11-20 | 2021-02-19 | 王立鹏 | Mining area sandy soil repairing agent and preparation method and use method thereof |
| CN112403464A (en) * | 2020-11-20 | 2021-02-26 | 王立鹏 | Modified gasified slag biodiesel catalyst and preparation method and application thereof |
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