CN106634845A - Humic acid incrusting dust suppressant for barren greening and preparation method thereof - Google Patents
Humic acid incrusting dust suppressant for barren greening and preparation method thereof Download PDFInfo
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- CN106634845A CN106634845A CN201611171205.1A CN201611171205A CN106634845A CN 106634845 A CN106634845 A CN 106634845A CN 201611171205 A CN201611171205 A CN 201611171205A CN 106634845 A CN106634845 A CN 106634845A
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- humic acidss
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
Abstract
The invention relates to a humic acid incrusting dust suppressant for barren greening and a preparation method thereof. The humic acid incrusting dust suppressant for barren greening comprises the following components in parts by weight: 4-8 parts of humic acid, 2-6 parts of galactomannan gum or sodium carboxymethyl cellulose (CMC) and 1000 parts of water. The humic acid incrusting dust suppressant also comprises a preservative which accounts for 0.4-0.8% of the total weight except water, and moss seeds which account for 0.5-2% of the total weight of the humic acid incrusting dust suppressant. The humic acid incrusting dust suppressant can be used in various barrens in need of greening and dust suppression, can obviously reduce the flying dust pollution on various bare surfaces after being sprayed, and utilizes bryophytes to green the barren. The bryophytes and humic acid supplement each other; the humic acid provides necessary organic nutrients for the bryophytes; and the bryophytes can effectively increase the water retention property of soil on the premise of greening the bare surface, thereby performing the function of reducing the flying dust pollution on the ground surface.
Description
Technical field
The present invention relates to a kind of dust suppressant and preparation method thereof, more particularly to a kind of to plant for the rotten of exposed ground greening
Acid crust dust suppressant and preparation method thereof.
Background technology
Dust pollution has become the first big polluter in the pollution of world public hazards, in recent years, the greatly developing of mining industry, coal
The increasing of transport service, urban infrastructure construction and the stacking of garbage waste, all make dust pollution be on the rise, especially right
Dust pollution contribution rate larger PM10, PM2.5 receive much concern.
As scientific and technological progress and living standards of the people are improved constantly, the height weight that dust pollution has caused people how is reduced
Depending at present conventional dust-removing method has dust-proof dust suppressant, wet method, setting windbreak anti-wind net, builds enclosed construction, watering
Method, wherein, dust suppressant compares other methods, because its is with low cost, practical, effect duration length, dust-laying effect obvious, in reality
Using more in the engineering practice of border.
In various common dust suppressants, the use range of starch is wider.Starch has two kinds of amylose and amylopectin.
Both starch have certain difference in structure and in nature, and amylopectin is met water energy and generates stable solution, and the solution has
Higher viscosity；Amylose can be dissolved in hot water but not into pasty state, plus the appropriate additive of people makes starch gelatinization, can prepare viscous
The fabulous starch adesive of knot property.
Humic acidss be widely present in weathered coal, peat and with brown coal in, can obtain humate with alkali density method.Humic acidss
Or humate source is wide, low cost, is a kind of good binding agent.Because humic acidss or humate raw material are relative to starch
With obvious cost advantage, thus it plays act foot in terms of replacing starch to apply to the improvement of conventional dust suppression agent prescription
The effect of weight.
But for all kinds of exposed surfaces such as soil, side slope, due to the effectiveness time limit of dust suppressant it is limited all the time, after causing
Phase still has anti-dust effect, and for exposed ground, greening will play particularly important effect.Therefore, using dust suppressant
When carrying out dust suppression to exposed ground, it is merely not only the problem for considering dust suppression, it is also contemplated that the Greening problem in later stage.
The content of the invention
The purpose of the present invention is to propose to a kind of humic acidss crust dust suppressant for exposed ground greening and preparation method thereof,
To solve the problems, such as all kinds of exposed surface greenings such as soil, side slope, reduce dust pollution.
For achieving the above object, the invention provides a kind of humic acidss crust dust suppressant for exposed ground greening, institute
Stating humic acidss crust dust suppressant includes humic acidss, the sesbania gum of 2～6 weight portions or the sodium carboxymethyl cellulose of 4～8 weight portions
The water of CMC, 1000 weight portions, humic acidss crust dust suppressant also include accounting for the preservative of gross weight 4～8 ‰ in addition to water and
Account for the lichen seed of humic acidss crust dust suppressant gross weight 0.5～2%.
Preferably, the humic acidss crust dust suppressant also includes accounting for the surfactant of dust suppressant gross weight 1～3%.
Preferably, the surfactant is NPE NP-40.
Preferably, the weight/mass percentage composition of free humic acid is more than or equal to 30% in the humic acidss.
Another object of the present invention is to the preparation method of the humic acidss crust dust suppressant for exposed ground greening is provided,
The preparation method includes：
A, the humic acidss of 4～8 weight portions, the sesbania gum of 2～6 weight portions or sodium carboxymethyl cellulose CMC are added to
Stirring in the water of 1000 weight portions is dissolved；
B, upon dissolution addition account for the preservative of humic acidss and sesbania gum gross weight 4～8 ‰ and account for humic acidss crust suppression
The lichen seed of dirt agent gross weight 0.5～2%, afterwards persistently emulsion is made in stirring.
Preferably, in stepb, persistently stir when a length of 30～60 minutes.
Preferably, the preparation method is additionally included in after the completion of emulsifying and adds the surface for accounting for dust suppressant gross weight 1～3% to live
Property agent, the surfactant be NPE NP-40.
Preferably, in step, water-soluble component is initially charged in water and is sufficiently mixed uniformly, make aqueous solution, added
Slightly solubility component is dissolved.
Preferably, the weight/mass percentage composition of free humic acid is more than or equal to 30% in the humic acidss.
Preferably, the granularity of the humic acidss is 50～70 mesh.
A further object of the present invention is to provide a kind of humic acidss crust dust suppressant in answering that exposed ground is afforested in dust suppression
With described humic acidss crust dust suppressant is sprayed on exposed ground carries out greening dust suppression.
Preferably, the fountain height of the humic acidss crust dust suppressant is 2.0～3.5 kilograms/square metre.
Based on above-mentioned technical proposal, it is an advantage of the invention that：
Provided by the present invention for exposed ground greening humic acidss crust dust suppressant be mainly characterized by it is biodegradable,
It is nontoxic, without operational hazards, in case of spilt available soap lye cleaning.The use range of humic acidss crust dust suppressant of the present invention
Can be the various airborne dust dirts for needing greening, the exposed ground of dust suppression, all kinds of exposed surfaces being substantially reduced after sprinkling
Dye, and exposed ground is afforested using bryophyte, meanwhile, dust suppressant itself is biodegradable, and environment will not be caused
Secondary pollution.
In the present invention bryophyte is complemented each other with humic acidss, wherein, humic acidss provide required for bryophyte
Organic nutrient substance, and bryophyte can also effectively increase the water-retaining property of soil while exposed surface is afforested, and then
Reach the effect for reducing surface dust pollution.
Specific embodiment
Below by embodiment, technical scheme is described in further detail.
The invention provides for the humic acidss crust dust suppressant of exposed ground greening, the humic acidss crust dust suppressant bag
Include humic acidss, the sesbania gum of 2～6 weight portions or sodium carboxymethyl cellulose CMC, the water of 1000 weight portions of 4～8 weight portions, institute
State humic acidss crust dust suppressant also include account for the preservative of gross weight 4～8 ‰ in addition to water and account for humic acidss crust dust suppressant it is total
The lichen seed of weight 0.5～2%.
The environment-friendly type humic acidss crust dust suppressant that the present invention is provided is one kind by humic acidss (HA), the biodegradable field mountain valley with clumps of trees and bamboo
Aqueous emulsion made by glue compounding.To obtain preferable anti-dust effect, it is preferable that the matter of free humic acid in the humic acidss
Amount percentage composition is more than or equal to 30%.
Humic acidss have good water absorbing and retaining properties, and it can be effectively prevented by protection face as the important component of dust suppressant
Dust pollution, and the of a relatively high starch of the cost in conventional dust suppressant can be substituted.In addition, having as a kind of macromole
Machine thing, the sprinkling of humic acidss will not be sprayed on soil surface to causing secondary pollution by protection face, moreover it is possible to provide organic for it
Fertilizer, is particularly suitable for later stage soil dust suppression of the planning as greenery patches.
The sesbania gum be leguminous plant field mountain valley with clumps of trees and bamboo seed endosperm in extract polysaccharide gum, main chemical compositions are by n
The polysaccharide that two kinds of monosaccharide of galactose and n mannose are constituted, also containing a small amount of protein, the inorganic elementss such as cellulose, calcium, magnesium.
Sesbania gum is dissolved in water in cream-colored loose sprills, insoluble in can be scattered in cold water under the organic solvents such as alcohol, ketone, ether, room temperature
In, water is dissolved in sticky shape, form the very high hydrosol solution of viscosity.The addition of sesbania gum can effectively improve crust dust suppressant
Viscosity and stability, can be used as the dispersant of humic acidss powder, and overcoming humic acidss powder cannot be dissolved in the problem of water.
Preferably, in order that it is easy in process of production dissolving, can select water miscible sodium carboxymethyl cellulose CMC and replace
For sesbania gum as raw material, it does not affect the effect that subsequently crusts.CMC is that the cellulose that glucose polymerization degree is 100～2000 spreads out
Biology, it can be used as thickening agent, emulsifying, adhesive etc..Preferably, water miscible CMC and the concrete ratio of humic acidss should be according to dilute
Depending on releasing liquid storage time, adjust between 2～6 parts and 4～8 parts respectively, the two adds up to 10 parts, to ensure the knot of dust suppressant
Shell effect.
To further enhance humic acidss crust dust suppressant dissolubility and stability in process of production, the humic acidss crust
Dust suppressant also includes accounting for the surfactant of dust suppressant gross weight 1～3%.Preferably, the surfactant is poly- for nonyl phenol
Oxygen vinyl Ether NP-40.
The dust suppression principle of the humic acidss crust dust suppressant of the present invention is as follows：
Using the chain structure and salt of selected polymer substance, the adsorptivity of emulsifying agent, grit is become into big, or even be solidified into
Hard shell-like structure, and then reach the purpose of depositing dust dust suppression.Humic acidss or humate as a kind of coal briquette bond, in corruption
Phytic acid or humate are dissolved in after water, are a kind of sticky colloidal substances, have higher viscosity under finite concentration, and
Under external force, make cementing mutually between coal dust or airborne dust granule and be polymerized.The structure class of dust suppressant additionally, humic acidss crust
Like loose sponge, specific surface area is very big, has very strong absorbability, and coal dust or airborne dust granule can be made closely to adsorb one
Rise, so as to reach the purpose of dust suppression.In addition, adding lichen seed in the present invention, the bryophyte for growing up to has good
Keep the effect of soil and storage moisture.Lichen seed can utilize the organic nutrient substance that humic acidss are provided and be sprayed face soil
The nutrition of itself, in exposed surface one layer of bryophyte is formed, and has both realized the greening of exposed surface, can be effectively reduced again
The generation of table dust pollution.
The present invention also provides the preparation method of the humic acidss crust dust suppressant for exposed ground greening, the preparation method
Including：
A, the humic acidss of 4～8 weight portions, the sesbania gum of 2～6 weight portions or sodium carboxymethyl cellulose CMC are added to
Stirring in the water of 1000 weight portions is dissolved.Preferably, water-soluble component is initially charged in water and is sufficiently mixed uniformly, make water
Solution, adds slightly solubility component and is dissolved, and such as first first can be dissolved sodium carboxymethyl cellulose CMC with water.
B, upon dissolution addition account for the preservative of humic acidss and sesbania gum gross weight 4～8 ‰ and account for humic acidss crust suppression
The lichen seed of dirt agent gross weight 0.5～2%, afterwards persistently emulsion is made in stirring.Preferably, persistently stir when a length of 30
～60 minutes, to guarantee emulsion is formed.
Humic acidss of the present invention as a kind of binding agent raw material, the quality percentage of free humic acid in the humic acidss
Content is more than or equal to 30%, to ensure to obtain preferable anti-dust effect.Preferably, the granularity of the humic acidss is 50～70
Mesh, in order to dissolve.
Preferably, to further enhance humic acidss crust dust suppressant dissolubility and stability in process of production, the system
Preparation Method is additionally included in the surfactant that addition after the completion of emulsifying accounts for dust suppressant gross weight 1～3%, and the surfactant is
NPE NP-40.Its free humic acid content should be greater than or equal to 30% (butt), granularity is preferably in 60 mesh
(0.246mm) left and right.
The present invention also provides the application that a kind of humic acidss crust dust suppressant is afforested in dust suppression in exposed ground, by described corruption
Phytic acid crust dust suppressant is sprayed on exposed ground and carries out greening dust suppression.Preferably, the sprinkling of the humic acidss crust dust suppressant
Measure as 2.0～3.5 kilograms/square metre, be adjusted by protection face situation and airborne dust situation with specific reference to application places.
Provided by the present invention for exposed ground greening humic acidss crust dust suppressant be mainly characterized by it is biodegradable,
It is nontoxic, without operational hazards, in case of spilt available soap lye cleaning.The use range of humic acidss crust dust suppressant of the present invention
Can be the various airborne dust dirts for needing greening, the exposed ground of dust suppression, all kinds of exposed surfaces being substantially reduced after sprinkling
Dye, and exposed ground is afforested using bryophyte, meanwhile, dust suppressant itself is biodegradable, and environment will not be caused
Secondary pollution.
In the present invention bryophyte is complemented each other with humic acidss, wherein, humic acidss provide required for bryophyte
Organic nutrient substance, and bryophyte can also effectively increase the water-retaining property of soil while exposed surface is afforested, and then
Reach the effect for reducing surface dust pollution.
Embodiment 1
7 grams of humic acidss are weighed, 3 grams of sesbania gum after two kinds of powder mix homogeneously, is slowly added to 1000 milliliters of water that stirred
In, after powder all dissolving, 0.06 milliliter of preservative, 10 grams of lichen seed are added, it is stirred for solution 40 minutes, homogenizing is into breast
Change liquid.
The crust dust suppressant emulsion for preparing equably is sprayed on into bare soil surface, and (fountain height is 2 kilograms/square
Rice).The crust layer of one layer of 2～3 cm thick and the lichen of one layer of green can be formed after the crust dust suppressant sprinkling in upper soll layer
Top layer, can effectively prevent the generation of soil airborne dust.
Embodiment 2
4 grams of humic acidss are weighed, 6 grams of sesbania gum after two kinds of powder mix homogeneously, is slowly added to 1000 milliliters of water that stirred
In, after powder all dissolving, 0.06 milliliter of preservative, 10 grams of lichen seed are added, it is stirred for solution 40 minutes, homogenizing is into breast
Change liquid.
The crust dust suppressant emulsion for preparing equably is sprayed on into bare soil surface, and (fountain height is 2 kilograms/square
Rice).The crust layer of one layer of about 3 cm thick and the lichen table of one layer of green can be formed after the crust dust suppressant sprinkling in upper soll layer
Layer, can effectively prevent the generation of soil airborne dust.
Embodiment 3
8 grams of humic acidss are weighed, 2 grams of sesbania gum after two kinds of powder mix homogeneously, is slowly added to 1000 milliliters of water that stirred
In, after powder all dissolving, 0.06 milliliter of preservative, 10 grams of lichen seed are added, it is stirred for solution 40 minutes, homogenizing is into breast
Change liquid.
The crust dust suppressant emulsion for preparing equably is sprayed on into bare soil surface, and (fountain height is 3 kilograms/square
Rice).The crust layer of one layer of about 2 cm thick and the lichen table of one layer of green can be formed after the crust dust suppressant sprinkling in upper soll layer
Layer, can effectively prevent the generation of soil airborne dust.
Embodiment 4
7 grams of humic acidss are weighed, 3 grams of sodium carboxymethyl cellulose (CMC) after two kinds of powder mix homogeneously, is slowly added to 1000
In the water that milliliter stirreds, after powder all dissolving, 0.06 milliliter of preservative, 10 grams of lichen seed are added, be stirred for solution
40 minutes, homogenizing was into emulsion.
The crust dust suppressant emulsion for preparing equably is sprayed on into bare soil surface, and (fountain height is 3 kilograms/square
Rice).The crust layer of one layer of 2～3 cm thick and the lichen of one layer of green can be formed after the crust dust suppressant sprinkling in upper soll layer
Top layer, can effectively prevent the generation of soil airborne dust.
Embodiment 5
6 grams of humic acidss are weighed, 4 grams of sodium carboxymethyl cellulose (CMC) after two kinds of powder mix homogeneously, is slowly added to 1000
In the water that stirreds of milliliter, after powder all dissolving, add 0.06 milliliter of preservative, be stirred for solution 40 minutes, homogenizing into
Emulsion.
The crust dust suppressant emulsion for preparing equably is sprayed on into bare soil surface, and (fountain height is 2 kilograms/square
Rice).The crust layer of one layer of 2～3 cm thick and the lichen of one layer of green can be formed after the crust dust suppressant sprinkling in upper soll layer
Top layer, can effectively prevent the generation of soil airborne dust.
Embodiment 6
Weigh 7 kilograms of humic acidss, 3 kilograms of water-soluble carboxymethyl sodium cellulosate (CMC), first water-soluble carboxymethyl cellulose
Sodium CMC is dissolved in 1000 liters of water and makes aqueous solution, in then humic acidss being slowly added into the aqueous solution that stirred, makes powder whole
After dissolving, 60 milliliters of preservative, 10 kilograms of lichen seed are added, be stirred for 40 minutes, homogenizing is into emulsion.
The crust dust suppressant emulsion for preparing equably is sprayed on into soil surface, fountain height is 3 kilograms/square metre.
The crust layer of one layer of 2～3 cm thick can be formed after the crust dust suppressant sprinkling in upper soll layer, soil airborne dust can be effectively prevented
Produce.
Embodiment 7
14 kilograms of humic acidss are weighed, 6 kilograms of water-soluble carboxymethyl sodium cellulosate (CMC) is slowly added into 500 liters and stirreds
Water in, after powder all dissolving, add 120 milliliters of preservative, 20 kilograms of lichen seed, be stirred for 40 minutes, formed dense
Contracting emulsion.Three times (i.e. 1500 liters) of the water for adding the same weight of concentrated solution again before sprinkling are diluted standby.
The crust dust suppressant emulsion for preparing equably is sprayed on into soil surface, fountain height is 3 kilograms/square metre.
The crust layer of one layer of 2～2.5 cm thick can be formed after the crust dust suppressant sprinkling in upper soll layer, soil airborne dust can be effectively prevented
Generation.
Embodiment 8
Weigh 7 kilograms of humic acidss, 3 kilograms of water-soluble carboxymethyl sodium cellulosate (CMC), first water-soluble carboxymethyl cellulose
Sodium CMC is dissolved in 1000 liters of water and makes aqueous solution, in then humic acidss being slowly added into the aqueous solution that stirred, makes powder whole
After dissolving, 60 milliliters of preservative, 10 kilograms of lichen seed are added, be stirred for 40 minutes, homogenizing is into emulsion.After the completion of emulsifying
Addition accounts for the NPE NP-40 of dust suppressant gross mass 2%.
The crust dust suppressant emulsion for preparing equably is sprayed on into soil surface, fountain height is 3 kilograms/square metre.
The crust layer of one layer of 2～3 cm thick can be formed after the crust dust suppressant sprinkling in upper soll layer, soil airborne dust can be effectively prevented
Produce.
Finally it should be noted that:Above example is only to illustrate technical scheme rather than a limitation；To the greatest extent
Pipe has been described in detail with reference to preferred embodiment to the present invention, and those of ordinary skill in the art should be understood：Still
The specific embodiment of the present invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this
The spirit of bright technical scheme, it all should cover in the middle of the technical scheme scope being claimed in the present invention.
Claims (12)
1. the humic acidss crust dust suppressant of exposed ground greening is used for, it is characterised in that：The humic acidss crust dust suppressant includes 4
The humic acidss of～8 weight portions, the sesbania gum of 2～6 weight portions or sodium carboxymethyl cellulose CMC, the water of 1000 weight portions, the corruption
Phytic acid crust dust suppressant also include account for the preservative of gross weight 4～8 ‰ in addition to water and account for humic acidss crust dust suppressant gross weight
0.5～2% lichen seed.
2. humic acidss according to claim 1 crust dust suppressant, it is characterised in that：The humic acidss crust dust suppressant is also wrapped
Include the surfactant for accounting for dust suppressant gross weight 1～3%.
3. humic acidss according to claim 2 crust dust suppressant, it is characterised in that：The surfactant is poly- for nonyl phenol
Oxygen vinyl Ether NP-40.
4. humic acidss according to claim 1 crust dust suppressant, it is characterised in that：Free humic acid in the humic acidss
Weight/mass percentage composition is more than or equal to 30%.
5. the preparation method of the humic acidss crust dust suppressant of exposed ground greening is used for, it is characterised in that：The preparation method bag
Include：
A, the humic acidss of 4～8 weight portions, the sesbania gum of 2～6 weight portions or sodium carboxymethyl cellulose CMC are added to into 1000 weights
Stir in the water of amount part and dissolved；
B, upon dissolution addition account for the preservative of humic acidss and sesbania gum gross weight 4～8 ‰ and account for humic acidss crust dust suppressant
The lichen seed of gross weight 0.5～2%, afterwards persistently emulsion is made in stirring.
6. preparation method according to claim 5, it is characterised in that：In stepb, persistently stir when a length of 30～60
Minute.
7. preparation method according to claim 5, it is characterised in that：The preparation method is additionally included in after the completion of emulsifying and adds
Enter to account for the surfactant of dust suppressant gross mass 1～3%, the surfactant is NPE NP-40.
8. preparation method according to claim 5, it is characterised in that：In step, water-soluble component is initially charged in water
It is sufficiently mixed uniformly, makes aqueous solution, adds slightly solubility component and dissolved.
9. preparation method according to claim 5, it is characterised in that：The quality percentage of free humic acid in the humic acidss
Content is more than or equal to 30%.
10. preparation method according to claim 5, it is characterised in that：The granularity of the humic acidss is 50～70 mesh.
The application that a kind of 11. humic acidss crust dust suppressants are afforested in dust suppression in exposed ground, it is characterised in that：Will by aforesaid right
Asking the crust dust suppressant of the humic acidss described in any one claim to be sprayed on exposed ground carries out greening dust suppression.
The application that 12. humic acidss crust dust suppressants according to claim 11 are afforested in dust suppression in exposed ground, its feature
It is：The fountain height of the humic acidss crust dust suppressant is 2.0～3.5 kilograms/square metre.
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| CN109575882A (en) * | 2018-12-29 | 2019-04-05 | 北京首创博桑环境科技股份有限公司 | A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof |
| CN109652017A (en) * | 2018-12-29 | 2019-04-19 | 北京首创博桑环境科技股份有限公司 | A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof |
| CN109652016A (en) * | 2018-12-29 | 2019-04-19 | 北京首创博桑环境科技股份有限公司 | A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof |
| CN110373155A (en) * | 2019-06-18 | 2019-10-25 | 河南伯睿环保科技有限公司 | A kind of Road dust suppressant |
| CN112205273A (en) * | 2020-09-25 | 2021-01-12 | 江苏澳洋生态园林股份有限公司 | Spray-seeding base material for high and steep slope of bare leaking limestone in laterite area and preparation method thereof |
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| CN107828379B (en) * | 2017-11-13 | 2020-06-02 | 陕西科技大学 | Humic acid haze-reducing dust suppressant and preparation method and application thereof |
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| CN109652017A (en) * | 2018-12-29 | 2019-04-19 | 北京首创博桑环境科技股份有限公司 | A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof |
| CN109652016A (en) * | 2018-12-29 | 2019-04-19 | 北京首创博桑环境科技股份有限公司 | A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof |
| CN110373155A (en) * | 2019-06-18 | 2019-10-25 | 河南伯睿环保科技有限公司 | A kind of Road dust suppressant |
| CN112205273A (en) * | 2020-09-25 | 2021-01-12 | 江苏澳洋生态园林股份有限公司 | Spray-seeding base material for high and steep slope of bare leaking limestone in laterite area and preparation method thereof |
| CN113980648A (en) * | 2021-11-22 | 2022-01-28 | 山东方嘉环境科技有限公司 | Dust suppressing material |
| CN113980648B (en) * | 2021-11-22 | 2023-09-08 | 山东方嘉环境科技有限公司 | Dust suppression material |
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Application publication date: 20170510 |