CN107418584A - A kind of sand-consolidating agent - Google Patents
A kind of sand-consolidating agent Download PDFInfo
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- CN107418584A CN107418584A CN201710468871.XA CN201710468871A CN107418584A CN 107418584 A CN107418584 A CN 107418584A CN 201710468871 A CN201710468871 A CN 201710468871A CN 107418584 A CN107418584 A CN 107418584A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
- C09K17/18—Prepolymers; Macromolecular compounds
- C09K17/20—Vinyl polymers
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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
- C09K2105/00—Erosion prevention
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
Abstract
The present invention discloses a kind of sand-consolidating agent, and its raw material includes：Polymer, alkaline matter and mixed organic acid salting liquid, wherein, the weight ratio of polymer, alkaline matter and mixed organic acid salting liquid is 1 200：1‑100：1‑150.Mixed organic acid salting liquid is prepared from waste straw and trees scrap in the present invention, and cooperate to obtain sand-consolidating agent with suitable polymer, alkaline matter, raw material is cheap and easy to get, solve the problems, such as waste straw and trees scrap pollution environment, and mixing organic acid salt solution manufacturing method is simple, sand-consolidating agent has good sand fixation, and sand-consolidating agent is environmentally friendly, degradable；It can not only be used for checking winds and fixing drifting sand, be also used as liquid-state mulch film, be used for planting lawn as water-retaining sand-stabilizing agent.
Description
Technical field
The present invention relates to sand-consolidating agent technical field, more particularly to a kind of sand-consolidating agent.
Background technology
Desertification of land is one of maximum environmental problem that the world today faces.China is desertification most serious in the world
One of country, Desertification Soil type complexity is various, and the main path for administering desertification at present has three kinds：Biology, physics and change
Learn Prevention Technique.
Techniques For Chemical Control refers to use organic or inorganic materials for stabilizing sandy soil on Desertification Soil top layer, to improve sandy soil
Stability and water-retaining property, or to salinization of soil soil carry out desalting processing, so as to reach improvement and administer Desertification Soil purpose.
Techniques For Chemical Control easy construction, cost are low, quick, can improve Desertification Soil rapidly, soil conservation water conservation, improve ecological environment
The quality and efficiency of engineering construction.
China is large agricultural country, and the biomass yield such as annual stalk, trees scrap is up to 800,000,000 tons, but real energy at present
Accomplish the extensive technology using stalk main still straw-returning and direct combustion power generation etc..Straw-returning ground pressure is big, and holds
It is also easy to produce various pest and disease damages；And because straw burning value only has coal 1/3rd to arrive half, direct combustion power generation economic benefit is very poor.
As rural area village hollowing, labor cost increase situation are increasingly severe, stalk is received carrying cost and progressively climbed to a higher point.Therefore, it is poorly efficient, low
The straw utilization mode of added value is difficult to be able to long sustaining.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of sand-consolidating agent, and the present invention selects waste straw
Mixed organic acid salting liquid is prepared with trees scrap, and cooperates and is fixed the sand with suitable polymer, alkaline matter
Agent, raw material is cheap and easy to get, solves the problems, such as waste straw and trees scrap pollution environment, and mixed organic acid salting liquid system
Preparation Method is simple, and sand-consolidating agent has good sand fixation, and sand-consolidating agent is environmentally friendly, degradable；It can not only be used for checking winds and fixing drifting sand,
It is also used as liquid-state mulch film, is used for planting lawn as water-retaining sand-stabilizing agent.
A kind of sand-consolidating agent proposed by the present invention, its raw material include：Polymer, alkaline matter and mixed organic acid salting liquid,
Wherein, the weight ratio of polymer, alkaline matter and mixed organic acid salting liquid is 1-200：1-100：1-150.
Preferably, polymer is polyacrylic acid, polyacrylamide, the polyacrylic acid of hydrophobically modified, poly- the third of hydrophobically modified
At least one of acrylamide.
Preferably, alkaline matter is sodium hydroxide, potassium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, cesium carbonate, carbonic acid
At least one in lithium, sodium acid carbonate, saleratus, potassium tert-butoxide, sodium tert-butoxide, sodium methoxide, potassium methoxide, caustic alcohol, potassium ethoxide
Kind.
Preferably, in the preparation process of mixed organic acid salting liquid, after taking biomass to be pre-processed, with oxidant and
Catalyst is reacted to obtain mixed organic acid salting liquid, wherein, biomass is cellulose, hemicellulose, lignin, crops
At least one of stalk, corncob, Chinese silvergrass, pine, white birch wood, poplar, pH >=7 of mixed organic acid salting liquid.
Preferably, in the preparation process of mixed organic acid salting liquid, as the pH ＜ 7 of mixed organic acid salting liquid, need
PH >=7 are adjusted with alkaline matter.
Preferably, in the preparation process of mixed organic acid salting liquid, pre-process as low-kappa number or oxygenation pretreatment.
Preferably, the acid in low-kappa number is inorganic acid, carbon number is 1-6 unitary or polybasic carboxylic acid and its acid anhydrides,
Aromatic carboxylic acids, sulfonic acid, acid ion resin, heteropoly acid, metal salt, the metallic compound being carried on carrier, metal oxide,
Acidic ionic liquid, supercritical fluid CO2At least one of.
Preferably, the alkali in oxygenation pretreatment is sodium hydroxide, potassium hydroxide, calcium hydroxide, sodium carbonate, potassium carbonate, carbonic acid
In caesium, lithium carbonate, sodium acid carbonate, saleratus, potassium tert-butoxide, sodium tert-butoxide, sodium methoxide, potassium methoxide, caustic alcohol, potassium ethoxide
It is at least one.
Preferably, inorganic acid is sulfuric acid, hydrochloric acid, hydrobromic acid, hydrofluoric acid, hydroiodic acid, perchloric acid, periodic acid, chlorine, bromine
At least one of element, nitric acid, phosphoric acid.
Preferably, the unitary or polybasic carboxylic acid and its acid anhydrides that carbon number is 1-6 are formic acid, acetic acid, propionic acid, butyric acid,
At least one of diacid, malonic acid, trifluoroacetic acid, acetic anhydride, propionic andydride.
Preferably, aromatic carboxylic acids is at least one of benzoic acid, p-methylbenzoic acid.
Preferably, sulfonic acid is at least one of chlorosulfonic acid, trifluoromethayl sulfonic acid, p-methyl benzenesulfonic acid.
Preferably, acid ion resin be 001x4 (731), 001x7 (732), DL08, DL10, DL16, D001, D002,
D006、D113、Amberlite IR-120、Amberlite-15、Amberlite IRA118、Amberlite-200、
At least one of Amberlite IRC-8408, Amberlite IRA900, Ionresin IR-162.
Preferably, heteropoly acid is at least one of phosphotungstic acid, phosphomolybdic acid, silico-tungstic acid, silicomolybdic acid.
Preferably, metal salt, the metal being carried in the metallic compound and metal oxide on carrier are I-V master
At least one of race's metal, the B B metals of I B- VIII；Preferably, metal salt be chloride, bromide, fluoride, sulfate,
At least one of phosphate, silicate, trifluoro-methanyl sulfonate, sulfonate.
Preferably, be carried on metallic compound in the metallic compound on carrier for oxide, chloride, bromide,
At least one of fluoride, sulfate, phosphate, silicate, trifluoro-methanyl sulfonate, sulfonate.
Preferably, in the preparation process of mixed organic acid salting liquid, oxidant be hydrogen peroxide, oxygen, air, ozone,
In potassium permanganate, potassium bichromate, composite sulfur hydrochlorate, perhalide, peroxide salt, hypohalite, N- N-halosuccinimides
It is at least one.
Preferably, in the preparation process of mixed organic acid salting liquid, catalyst is basic anhydride, alkaline hydroxide
At least one of thing, piperidines nitrogen oxides, sodium tungstate.
Preferably, basic anhydride are at least one of manganese dioxide, vanadium oxide, chromium oxide, cupric oxide, iron oxide.
Preferably, alkaline hydrated oxide is at least one of sodium hydroxide, potassium hydroxide, calcium hydroxide, lithium hydroxide.
Preferably, piperidines nitrogen oxides be 2,2,6,6- tetramethyl piperidine nitrogen oxides, 4- hydroxyls -2,2,6,6- tetramethyls
At least one of piperidines nitrogen oxides.
Preferably, in the preparation process of mixed organic acid salting liquid, reaction temperature is 10-300 DEG C.
Preferably, in the preparation process of mixed organic acid salting liquid, reaction temperature is 150-250 DEG C.
Preferably, in the preparation process of mixed organic acid salting liquid, reaction pressure 0.1-10MPa.
Preferably, in the preparation process of mixed organic acid salting liquid, reaction pressure 0.1-5MPa.
Preferably, in the preparation process of mixed organic acid salting liquid, reaction time 1min-50h.
Preferably, in the preparation process of mixed organic acid salting liquid, reaction time 5-24h.
Preferably, in the preparation process of mixed organic acid salting liquid, the temperature of pretreatment is 20-250 DEG C, time 1-
48h。
Preferably, in the preparation process of mixed organic acid salting liquid, the weight ratio of biomass and acid is 1：0.01-10.
Preferably, in the preparation process of mixed organic acid salting liquid, the weight ratio of biomass and alkali is 1：0.01-10.
Preferably, in the preparation process of mixed organic acid salting liquid, the weight ratio of biomass and oxidant is 1：1-
100。
Preferably, in the preparation process of mixed organic acid salting liquid, the weight ratio of biomass and catalyst is 1：0.05-
10。
Preferably, in the preparation process of mixed organic acid salting liquid, biomass is taken to add acidic aqueous solution or alkaline water
In solution, temperature is adjusted, after insulated and stirred, adds oxidant and catalyst, adjusts temperature and pressure, insulation obtains mixing organic
Acid salt solution.
Heteropoly acid, refer to by hetero atom (such as P, Si, Fe, Co etc.) and polyatom (such as Mo, W, V, Nb, Ta etc.) as certain
A kind of oxygen-containing polyacid that structure is made up of oxygen atom ligand bridging.
Above-mentioned acidic aqueous solution or alkaline aqueous solution do not provide its concentration, and its dosage is determined according to concrete operations.
When the acid in low-kappa number is supercritical fluid CO2When, it is not required to be configured to the aqueous solution, can directly carries out sour pre- place
Reason.
The preparation method of sand-consolidating agent is：Polymer, alkali are added in mixed organic acid salting liquid, 2-6h is stirred at room temperature and obtains
Sand-consolidating agent.
The present invention is that raw material prepares mixed organic acid salting liquid from biomass such as stalk, trees scrap so that waste profit
With greatly reducing the pollution to environment；And the biomass such as stalk, trees scrap are cheap and easy to get, it is organic that mixing can be reduced
The production cost of acid salt solution；The polymer of mixed organic acid salting liquid and suitable species, alkali cooperate so that sand-consolidating agent has
There is good sand fixation；And the present invention is environmentally friendly, degradable；Not only can be used for check winds and fix drifting sand, be also used as liquid-state mulch film,
It is used for planting lawn as water-retaining sand-stabilizing agent.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of sand-consolidating agent, its raw material include：Polymer, alkaline matter and mixed organic acid salting liquid, wherein, polymer,
The weight of alkaline matter and mixed organic acid salting liquid ratio is 100：50：75.
Embodiment 2
A kind of sand-consolidating agent, its raw material include：Polyacrylic acid, sodium hydroxide and mixed organic acid potassium salt soln, wherein, poly- third
The weight ratio of olefin(e) acid, sodium hydroxide and mixed organic acid potassium salt soln is 1：100：1；
Wherein, in the preparation process of mixed organic acid potassium salt soln, cellulose is taken to add in aqueous hydrochloric acid solution, regulation temperature
Degree adds potassium bichromate and manganese dioxide to 250 DEG C, 1h after insulated and stirred, adjusts the temperature to 60 DEG C, pressure to 0.1MPa, protects
Warm 50h obtains mixed organic acid potassium salt soln, wherein, the weight ratio of cellulose and hydrochloric acid is 1：0.01, cellulose and dichromic acid
The weight ratio of potassium is 1：100, the weight ratio of cellulose and manganese dioxide is 1：0.05.
Embodiment 3
A kind of sand-consolidating agent, its raw material include：The polyacrylamide of hydrophobically modified, sodium carbonate and mixed organic acid sodium salt are molten
Liquid, wherein, the weight ratio of the polyacrylamide of hydrophobically modified, sodium carbonate and mixed organic acid sodium salt solution is 200：1：150；
Wherein, in the preparation process of mixed organic acid sodium salt solution, hemicellulose is taken to add in acetic acid aqueous solution, regulation
Temperature adds sodium hydroxide to 200 DEG C, 48h after insulated and stirred, is oxygenated regulation pressure to 10MPa, adjusts the temperature to 300 DEG C,
Insulation 1min obtains mixed organic acid sodium salt solution, wherein, the weight ratio of hemicellulose and acetic acid is 1：10, hemicellulose and hydrogen
The weight ratio of sodium oxide molybdena is 1：10.
In above-described embodiment 3, oxygen is oxidant, by adjusting oxygen pressure, carrys out the dosage of regulation oxygen.
Embodiment 4
A kind of sand-consolidating agent, its raw material include：Polyacrylamide, potassium tert-butoxide and mixed organic acid sodium salt solution, wherein, gather
The weight ratio of acrylamide, potassium tert-butoxide and mixed organic acid sodium salt solution is 50：80：50；
Wherein, in the preparation process of mixed organic acid sodium salt solution, lignin is taken to add in the benzoic acid aqueous solution, regulation
Temperature adds sodium peroxide and chromium oxide to 100 DEG C, 12h after insulated and stirred, adjusts the temperature to 50 DEG C, pressure to 1MPa, is incubated
24h obtains mixed organic acid sodium salt solution, wherein, the weight ratio of lignin and benzoic acid is 1：2, lignin and sodium peroxide
Weight ratio is 1：70, the weight ratio of lignin and chromium oxide is 1：1.
Embodiment 5
A kind of sand-consolidating agent, its raw material include：Polyacrylic acid, caustic alcohol and the mixed organic acid sodium salt solution of hydrophobically modified,
Wherein, the weight ratio of the polyacrylic acid of hydrophobically modified, caustic alcohol and mixed organic acid sodium salt solution is 150：20：100；
Wherein, in the preparation process of mixed organic acid sodium salt solution, corncob is taken to add in the p-methyl benzenesulfonic acid aqueous solution,
50 DEG C are adjusted the temperature to, 36h after insulated and stirred, adds N- N-halosuccinimides and 2,2,6,6- tetramethyl piperidine nitrogen oxidations
Thing, 30 DEG C are adjusted the temperature to, pressure to 0.1MPa, is incubated 5h, it is molten to obtain mixed organic acid sodium salt with sodium hydroxide regulation pH >=7
Liquid, wherein, the weight ratio of corncob and p-methyl benzenesulfonic acid is 1：8, the weight ratio of corncob and N- N-halosuccinimides is 1：
30, corncob and 2, the weight ratio of 2,6,6- tetramethyl piperidine nitrogen oxides is 1：9.
Embodiment 6
A kind of sand-consolidating agent, its raw material include：Polymer, alkaline matter and mixed organic acid magnesium salt solution, wherein, polymerization
The weight ratio of thing, alkaline matter and mixed organic acid magnesium salt solution is 80：60：70；
Wherein, polymer is polyacrylic acid, polyacrylamide；
Alkaline matter is potassium hydroxide, saleratus, potassium ethoxide；
In the preparation process of mixed organic acid magnesium salt solution, Chinese silvergrass is taken to add in the Amberlite-200 aqueous solution, regulation
Temperature adds sodium perchlorate and magnesium hydroxide to 130 DEG C, 20h after insulated and stirred, adjusts the temperature to 20 DEG C, pressure to 0.1MPa,
Insulation 40h obtains mixed organic acid magnesium salt solution, wherein, Chinese silvergrass and Amberlite-200 weight ratio are 1：4, Chinese silvergrass with it is high
The weight ratio of sodium chlorate is 1：90, the weight ratio of Chinese silvergrass and magnesium hydroxide is 1：3.
Embodiment 7
A kind of sand-consolidating agent, its raw material include：Polymer, alkaline matter and mixed organic acid sodium salt solution, wherein, polymerization
The weight ratio of thing, alkaline matter and mixed organic acid sodium salt solution is 120：40：130；
Wherein, polymer is polyacrylamide, the polyacrylamide of hydrophobically modified；
Alkaline matter is calcium hydroxide, cesium carbonate, lithium carbonate；
In the preparation process of mixed organic acid sodium salt solution, take pine to add in silicon tungsten acid solution, adjust the temperature to
200 DEG C, 30h after insulated and stirred, iron oxide is added, adjusts the temperature to 80 DEG C, be oxygenated regulation pressure to 5MPa, be incubated 30h, use
Sodium carbonate regulation pH >=7 obtain mixed organic acid sodium salt solution, wherein, the weight ratio of pine and silico-tungstic acid is 1：6, pine and oxygen
The weight ratio for changing iron is 1：7.
In above-described embodiment 7, oxygen is oxidant, by adjusting oxygen pressure, carrys out the dosage of regulation oxygen.
Embodiment 8
A kind of sand-consolidating agent, its raw material include：Polymer, alkaline matter and mixed organic acid sodium salt solution, wherein, polymerization
The weight ratio of thing, alkaline matter and mixed organic acid sodium salt solution is 20：90：30；
Wherein, polymer is polyacrylic acid, the polyacrylic acid of hydrophobically modified；
Alkaline matter is potassium carbonate, potassium methoxide；
In the preparation process of mixed organic acid sodium salt solution, take white birch wood to add in aluminum chloride aqueous solution, adjust temperature
To 220 DEG C, 10h after insulated and stirred, sodium peroxide and 4- hydroxyls -2,2,6,6- tetramethyl piperidine nitrogen oxides, regulation temperature are added
For degree to 20 DEG C, pressure to 0.1MPa, insulation 20h obtains mixed organic acid sodium salt solution, wherein, the weight of white birch wood and aluminium chloride
Than for 1：0.1, white birch is wooden and the weight ratio of sodium peroxide is 1：50, white birch wood with 4- hydroxyls -2,2,6,6- tetramethyl piperidine nitrogens
The weight ratio of oxide is 1：0.1.
Embodiment 9
A kind of sand-consolidating agent, its raw material include：Polymer, alkaline matter and mixed organic acid potassium salt soln, wherein, polymerization
The weight ratio of thing, alkaline matter and mixed organic acid potassium salt soln is 180：10：120；
Wherein, polymer is polyacrylic acid, the polyacrylic acid of hydrophobically modified；
Alkaline matter is sodium acid carbonate, sodium tert-butoxide, sodium methoxide；
In the preparation process of mixed organic acid potassium salt soln, take poplar to add in wet chemical, adjust the temperature to
180 DEG C, 4h after insulated and stirred, sodium hypobromite and 4- hydroxyls -2,2 are added, 6,6- tetramethyl piperidine nitrogen oxides, is adjusted the temperature to
30 DEG C, pressure to 0.1MPa, insulation 24h obtains mixed organic acid potassium salt soln, wherein, the weight ratio of poplar and potassium carbonate is 1：
1, the weight ratio of poplar and sodium hypobromite is 1：5, poplar and 4- hydroxyls -2,2, the weight ratio of 6,6- tetramethyl piperidine nitrogen oxides
For 1：0.5.
Embodiment 10
A kind of sand-consolidating agent, its raw material include：Polyacrylic acid, sodium hydroxide and mixed organic acid sodium solution, wherein, polypropylene
The weight ratio of acid, sodium hydroxide and mixed organic acid sodium solution is 10：5：10；
Wherein, in the preparation process of mixed organic acid sodium solution, it is 5wt% hydrogen-oxygens to take wheat stalk to add mass fraction
Change in sodium water solution, adjust the temperature to 20 DEG C, 5h after insulated and stirred, it is 30wt% hydrogen peroxide solutions and wolframic acid to add mass fraction
Sodium, 50 DEG C being adjusted the temperature to, pressure to 0.1MPa, insulation 4h obtains mixed organic acid sodium solution, wherein, wheat stalk and hydrogen-oxygen
The weight ratio for changing sodium is 1：0.25, the weight ratio of wheat stalk and hydrogen peroxide is 1：10, the weight ratio of wheat stalk and sodium tungstate
For 1：0.2.
Embodiment 11
A kind of sand-consolidating agent, its raw material include：Polyacrylic acid, sodium hydroxide and mixed organic acid potassium solution, wherein, polypropylene
The weight ratio of acid, sodium hydroxide and mixed organic acid potassium solution is 5：10：50；
Wherein, in the preparation process of mixed organic acid potassium solution, it is 10wt% hydrogen to take maize straw to add mass fraction
In aqueous solution of sodium oxide, 80 DEG C are adjusted the temperature to, 5h after insulated and stirred, adds sodium hypochlorite and 2,2,6,6- tetramethyl piperidine nitrogens
Oxide, adjusts the temperature to 10 DEG C, pressure to 0.1MPa, and insulation 8h obtains mixed organic acid potassium solution, wherein, maize straw with
The weight ratio of sodium hydroxide is 1：3, the weight ratio of maize straw and sodium hypochlorite is 1：1, maize straw and 2,2,6,6- tetramethyls
The weight ratio of piperidine nitroxide is 1：0.05.
Embodiment 12
A kind of sand-consolidating agent, its raw material include：Polyacrylic acid, calcium hydroxide and mixed organic acid calcium solution, wherein, polypropylene
The weight ratio of acid, calcium hydroxide and mixed organic acid calcium solution is 8：10：80；
Wherein, in the preparation process of mixed organic acid calcium solution, it is 9wt% hydrogen-oxygens that water intaking rice straw, which adds mass fraction,
Change in the calcium aqueous solution, adjust the temperature to 80 DEG C, 10h after insulated and stirred, add hydrogen peroxide and the tetramethyl piperazine of 4- hydroxyls 2,2,6,6-
Pyridine nitrogen oxides, 20 DEG C being adjusted the temperature to, pressure to 0.3MPa, insulation 10h obtains mixed organic acid calcium solution, wherein, rice
The weight of stalk and calcium hydroxide ratio is 1：1, the weight ratio of rice straw and hydrogen peroxide is 1：15, rice straw and 4- hydroxyls 2,
The weight ratio of 2,6,6- tetramethyl piperidine nitrogen oxides is 1：0.1.
Test example 1
From embodiment 10-12, performance test of fixing the sand is carried out, and is control group from commercially available common sand-consolidating agent, as a result such as
Under：
| Project | Resistance to wind Erosion | Compression strength/kPa | Water resistance | Influence to growth and development of plants |
| Embodiment 10 | By force | 460 | It is good | Normally, growth is fast |
| Embodiment 11 | By force | 420 | It is good | Normally, growth is fast |
| Embodiment 12 | By force | 437 | It is good | Normally, growth is fast |
| Control group | It is poor | 27 | It is good | Normally, it is slow-growing |
The present invention has good sand fixation as can be seen from the above table.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of sand-consolidating agent, it is characterised in that its raw material includes：Polymer, alkaline matter and mixed organic acid salting liquid, its
In, the weight ratio of polymer, alkaline matter and mixed organic acid salting liquid is 1-200：1-100：1-150.
2. sand-consolidating agent according to claim 1, it is characterised in that polymer is polyacrylic acid, polyacrylamide, hydrophobically modified
Polyacrylic acid, at least one of the polyacrylamide of hydrophobically modified.
3. sand-consolidating agent according to claim 1 or claim 2, it is characterised in that alkaline matter is sodium hydroxide, potassium hydroxide, hydrogen-oxygen
Change calcium, sodium carbonate, potassium carbonate, cesium carbonate, lithium carbonate, sodium acid carbonate, saleratus, potassium tert-butoxide, sodium tert-butoxide, sodium methoxide,
At least one of potassium methoxide, caustic alcohol, potassium ethoxide.
4. according to any one of the claim 1-3 sand-consolidating agents, it is characterised in that in the preparation process of mixed organic acid salting liquid
In, after taking biomass to be pre-processed, reacted to obtain mixed organic acid salting liquid with oxidant and catalyst, wherein, it is raw
Material be cellulose, hemicellulose, lignin, agricultural crop straw, corncob, Chinese silvergrass, pine, white birch wood, in poplar at least
One kind, pH >=7 of mixed organic acid salting liquid.
5. sand-consolidating agent according to claim 4, it is characterised in that in the preparation process of mixed organic acid salting liquid, when mixed
When closing the pH ＜ 7 of acylate solution, pH >=7 need to be adjusted with alkaline matter；Preferably, pre-process and locate in advance for low-kappa number or alkali
Reason；Preferably, the acid in low-kappa number is inorganic acid, carbon number is 1-6 unitary or polybasic carboxylic acid and its acid anhydrides, fragrant carboxylic
Acid, sulfonic acid, acid ion resin, heteropoly acid, metal salt, the metallic compound being carried on carrier, metal oxide, it is acid from
Sub- liquid, supercritical fluid CO2At least one of；Preferably, the alkali in oxygenation pretreatment is sodium hydroxide, potassium hydroxide, hydrogen-oxygen
Change calcium, sodium carbonate, potassium carbonate, cesium carbonate, lithium carbonate, sodium acid carbonate, saleratus, potassium tert-butoxide, sodium tert-butoxide, sodium methoxide,
At least one of potassium methoxide, caustic alcohol, potassium ethoxide.
6. sand-consolidating agent according to claim 5, it is characterised in that inorganic acid is sulfuric acid, hydrochloric acid, hydrobromic acid, hydrofluoric acid, hydrogen iodine
At least one of acid, perchloric acid, periodic acid, chlorine, bromine, nitric acid, phosphoric acid；Preferably, carbon number be 1-6 unitary or
Polybasic carboxylic acid and its acid anhydrides are in formic acid, acetic acid, propionic acid, butyric acid, hexanedioic acid, malonic acid, trifluoroacetic acid, acetic anhydride, propionic andydride
At least one；Preferably, aromatic carboxylic acids is at least one of benzoic acid, p-methylbenzoic acid；Preferably, sulfonic acid is chlorine sulphur
At least one of acid, trifluoromethayl sulfonic acid, p-methyl benzenesulfonic acid；Preferably, acid ion resin is 001x4 (731), 001x7
(732)、DL08、DL10、DL16、D001、D002、D006、D113、Amberlite IR-120、Amberlite-15、
Amberlite IRA118、Amberlite-200、Amberlite IRC-8408、Amberlite IRA900、Ionresin
At least one of IR-162；Preferably, heteropoly acid is at least one of phosphotungstic acid, phosphomolybdic acid, silico-tungstic acid, silicomolybdic acid；It is excellent
Selection of land, metal salt, the metal being carried in the metallic compound and metal oxide on carrier are I-V main group metal, I B-
At least one of VIII B B metals；Preferably, metal salt is chloride, bromide, fluoride, sulfate, phosphate, silicon
At least one of hydrochlorate, trifluoro-methanyl sulfonate, sulfonate；Preferably, the gold being carried in the metallic compound on carrier
Category compound is oxide, chloride, bromide, fluoride, sulfate, phosphate, silicate, trifluoro-methanyl sulfonate, sulphur
At least one of hydrochlorate.
7. according to any one of the claim 4-6 sand-consolidating agents, it is characterised in that in the preparation process of mixed organic acid salting liquid
In, oxidant is hydrogen peroxide, oxygen, air, ozone, potassium permanganate, potassium bichromate, composite sulfur hydrochlorate, perhalide, peroxidating
At least one of salt, hypohalite, N- N-halosuccinimides.
8. according to any one of the claim 4-7 sand-consolidating agents, it is characterised in that in the preparation process of mixed organic acid salting liquid
In, catalyst is at least one of basic anhydride, alkaline hydrated oxide, piperidines nitrogen oxides, sodium tungstate.
9. sand-consolidating agent according to claim 8, it is characterised in that basic anhydride be manganese dioxide, vanadium oxide, chromium oxide,
At least one of cupric oxide, iron oxide；Preferably, alkaline hydrated oxide is sodium hydroxide, potassium hydroxide, calcium hydroxide, hydrogen
At least one of lithia；Preferably, piperidines nitrogen oxides be 2,2,6,6- tetramethyl piperidine nitrogen oxides, 4- hydroxyl -2,
At least one of 2,6,6- tetramethyl piperidine nitrogen oxides.
10. according to any one of the claim 4-9 sand-consolidating agents, it is characterised in that in the preparation of mixed organic acid salting liquid
Cheng Zhong, reaction temperature are 10-300 DEG C；Preferably, in the preparation process of mixed organic acid salting liquid, reaction temperature 150-
250℃；Preferably, in the preparation process of mixed organic acid salting liquid, reaction pressure 0.1-10MPa；Preferably, mixing
In the preparation process of acylate solution, reaction pressure 0.1-5MPa；Preferably, in the preparation of mixed organic acid salting liquid
Cheng Zhong, reaction time 1min-50h；Preferably, in the preparation process of mixed organic acid salting liquid, reaction time 5-
24h。
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| CN108842753A (en) * | 2018-05-24 | 2018-11-20 | 长江师范学院 | A kind of biomass sand-fixation method |
| CN110129069A (en) * | 2019-06-10 | 2019-08-16 | 山东宏禹工程科技有限公司 | A kind of sediment improvement agent |
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