CN102863965A - Eco-friendly sand stabilization dust depressor and preparation method thereof - Google Patents
Eco-friendly sand stabilization dust depressor and preparation method thereof Download PDFInfo
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- CN102863965A CN102863965A CN2012103896407A CN201210389640A CN102863965A CN 102863965 A CN102863965 A CN 102863965A CN 2012103896407 A CN2012103896407 A CN 2012103896407A CN 201210389640 A CN201210389640 A CN 201210389640A CN 102863965 A CN102863965 A CN 102863965A
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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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Abstract
An eco-friendly sand stabilization dust depressor is dark-brown milky liquid prepared by biomass materials, surfactants, water-soluble polymers, moisturizers, preservatives and water through mixing. The viscosity of the dust depressor is 50-80 centipoise at the normal temperature. The biomass materials are solid cake-like residues of plant seeds after a squeezing and oil pressing process or solvent digestion; the water-soluble polymers are carboxymethylcellulose and polyvinyl alcohol; and the moisturizers are magnesium chloride, calcium chloride, sodium sulfate, sodium silicate and the like. The obtained sand stabilization dust depressor is eco-friendly; and the preparation process is simple, short in process and easy to operate. The eco-friendly sand stabilization dust depressor has the advantages of being environment-friendly, non-toxic and free of pollution; and capable of effectively controlling soil wind erosion and land desertification, reducing dust weather, playing roles in sand stabilization, dust proofing and depression, and being widely used in severe wind erosive areas such as suburban farmlands, wastelands, degraded grasslands and deserts.
Description
Technical field
The present invention relates to fix the sand dust-inhibitor preparation, particularly a kind of Eco-friendly fixes the sand dust-inhibitor and preparation method thereof.
The use biological material processes, and efficient, energy-saving and environmental protection are mainly used in preventing and treating soil drifting, and the control desertification of land suppresses the aspects such as airborne dust, belongs to the environmental pollution treatment technology field.
Background technology
China is the country of in the world desertification, desertification area maximum, although in recent years desertification of land obtains containment to a certain degree, but still is current the most serious ecological problem.Desertification of land can directly cause grassland loose ground and city suburbs soil drifting, causes dust and sand weather under wind effect, causes the Urban areas karaburan to pollute.
Chemical sand-fixing is to control at present soil drifting measure relatively commonly used, thereby it refers to utilize chemical substance to spray or dried sandy soil or the loose ground surface of being spread on forms bonding course and reach and fix the sand purpose.
Traditional chemical sand-fixing dust-inhibitor can be divided into: grout class, water glass class, petroleum products class and high molecular polymer super absorbent resin lipid.These dust-inhibitors can make the earth's surface loosen soil be fixed, and have certain stability and water-retentivity, thereby reach the purpose of tackling quicksand and improvement desertification of land.But the material cost that has is high, and what have can not create good water and soil environment for plant-growth, have in addition can be to environment.Such as, petroleum products class dust-inhibitor is used rear hard degradation, and prolonged stay causes secondary environmental pollution in the sandy soil of top layer.
And fixing the sand dust-inhibitor, new chemical fixes the sand the drawback of dust-inhibitor except solving traditional chemical, more pay attention to the ecotope Harmony in dust-inhibitor preparation and the use procedure, make that it has that use properties is good, natural resources and energy resources consumption less, and the plurality of advantages such as the ecotope consistency is good.So new chemical fixes the sand dust-inhibitor and has larger development potentiality and practicality.New chemical fixes the sand dust-inhibitor and comprises: the ecology that workers and peasants' forestry byproducts is carried out modification fix the sand dust-inhibitor, utilize the microorganism of microbial technique to fix the sand dust-inhibitor etc.
Summary of the invention
The present invention seeks to overcome the defective that traditional dust-inhibitor exists, provide a kind of nontoxic, environmental friendliness, with low cost, the convenient Eco-friendly of producing to fix the sand dust-inhibitor and preparation method thereof.
Technical scheme of the present invention:
A kind of Eco-friendly fixes the sand dust-inhibitor, that raw material mixed preparing by following weight percent forms: biological material 1.6-2.0%, tensio-active agent 0.6-1.0%, water-soluble polymers Xylo-Mucine 1.2-1.5%, water-soluble polymers polyvinyl alcohol 0.8-1.2%, wetting Agent for Printing Inks 0.8-1.0%, sanitas 0.8-1.0%, all the other are water; It is the dark-brown emulsion liquid that gained fixes the sand dust-inhibitor, and viscosity is the 50-80 centipoise under the normal temperature; Described biological material is plant seed last solids cake compresses slag behind squeezing oil expression processing or extraction, described plant seed is the Suaeda salsa seed, the Suaeda heteroptera seed, the mixture of one or more arbitrary proportions in the fluffy seed of angle alkali and the fluffy seed of hard branch alkali, described water-soluble polymers is Xylo-Mucine and polyvinyl alcohol, described tensio-active agent is Sodium dodecylbenzene sulfonate (LAS), the mixture of one or more arbitrary proportions in sodium lauryl sulphate and the polyacrylamide, described wetting Agent for Printing Inks is magnesium chloride, calcium chloride, sodium sulfate, water glass, the mixture of one or more arbitrary proportions in the polyacrylic acid potassium, described sanitas are potassium sorbate, the mixture of one or both arbitrary proportions in the Sodium Benzoate.
A kind of described Eco-friendly fixes the sand the preparation method of dust-inhibitor, and step is as follows:
1) the 100-120 mesh sieve is crossed in biological material is broken, grinding, obtains biomass powder;
2) above-mentioned biomass powder boiling 30-40min in boiling water is made it expanded, then stop heat supply, be cooled to 65-75 ℃, obtain the expanded solution of biomass, the amount ratio of biomass powder and water is 1.6-2.0g/100mL;
3) low whipping speed is under the 150-300r/min condition, tensio-active agent is spread in the expanded solution of biomass equably to reduce the surface tension of solution, the amount ratio of tensio-active agent and the expanded solution of biomass is 0.6-1.0g/100mL, behind the 10min, stirring velocity is transferred to 1500-2000r/min, Xylo-Mucine is sprinkled into equably in the mentioned solution to prevent from condensing conglomeration rapidly, the amount ratio of Xylo-Mucine and mentioned solution is 1.2-1.5g/100mL, stir 40min, slowly add again the polyvinyl alcohol water solution that concentration is 4.0-6.0g/100ml, the amount ratio of polyvinyl alcohol water solution and mentioned solution is 1ml/5mL, stop after stirring 10min, obtain reaction solution, whole reaction process temperature is controlled at 65-75 ℃;
4) leave standstill above-mentioned reaction solution and be down to room temperature after, successively add wetting Agent for Printing Inks and sanitas, the mass percent of wetting Agent for Printing Inks and sanitas and reaction solution is 0.8-1%, stirs 5min, namely gets described Eco-friendly and fixes the sand dust-inhibitor.
A kind of described Eco-friendly fixes the sand the application of dust-inhibitor, be used for fixing the sand, dust suppression, method be can directly spray uses or according to fix the sand the mass ratio of dust-inhibitor and water as the dilution proportion of 1:0.5-5 after the sprinkling use.
Advantage of the present invention is:
1) to adopt the fluffy seedcake dregs of rice of alkali be main raw material in the present invention, increased the Application Areas of the fluffy seedcake dregs of rice of alkali, to a certain extent, can reduce the waste of fluffy this huge agricultural and sideline resource of the seedcake dregs of rice of alkali, and making it turns waste into wealth;
2) environment friendly and pollution-free, can not work the mischief to environment; Because it contains abundant components of biomass, also can provide a small amount of nutrition for plant-growth;
3) strong to the soil particle viscosifying power within the protection period, have good sand fixation; Along with the variation of soil moisture, can not be stranded in for a long time among the soil gradually by soil microbial degradation, good with the ecological environment of soil consistency, can be used as good soil improvement agent;
4) this fixes the sand after dust-inhibitor uses, and can form on the loose ground surface smooth and with the high strength bonding course of microporosity, can play the effect of well checking winds and fixing drifting sand;
5) simple, with low cost and energy-conserving and environment-protective of this preparation method's technique etc.
Embodiment
Embodiment 1:
A kind of described Eco-friendly fixes the sand the preparation method of dust-inhibitor, and step is as follows:
1) 120 mesh sieves are crossed in Suaeda salsa seedcake is broken, grinding, obtain biomass powder;
2) above-mentioned 8.0g biomass powder boiling 30min in 500mL boiling water is made it expanded, then stop heat supply, be cooled to 65-75 ℃, obtain the expanded solution of biomass;
3) low whipping speed is under the 150r/min condition, the 4.0g Sodium dodecylbenzene sulfonate is spread in the expanded solution of above-mentioned biomass equably to reduce the surface tension of solution, behind the 10min, stirring velocity is transferred to 2000r/min, the 6.0g Xylo-Mucine is sprinkled into equably in the mentioned solution to prevent from condensing conglomeration rapidly, stir 40min, the polyvinyl alcohol water solution of the 4.0g/100mL that gently will prepare in advance again adds in the mentioned solution, stop after stirring 10min, obtain reaction solution, whole reaction process temperature is controlled at 65-75 ℃;
4) leave standstill above-mentioned reaction solution and be down to room temperature after, successively add 5.0g water glass wetting Agent for Printing Inks and 5.0g Sodium Benzoate sanitas, stir 5min, namely get described Eco-friendly and fix the sand dust-inhibitor.
Embodiment 2:
A kind of described Eco-friendly fixes the sand the preparation method of dust-inhibitor, and step is as follows:
1) 100 mesh sieves are crossed in Suaeda heteroptera seedcake is broken, grinding, obtain biomass powder;
2) above-mentioned 8.0g biomass powder boiling 30min in 500mL boiling water is made it expanded, then stop heat supply, be cooled to 65-75 ℃, obtain the expanded solution of biomass;
3) low whipping speed is under the 150r/min condition, the 5.0g Sodium dodecylbenzene sulfonate is spread in the expanded solution of biomass equably to reduce the surface tension of solution, behind the 10min, stirring velocity is transferred to 2000r/min, the 7.5g Xylo-Mucine is sprinkled into equably in the mentioned solution to prevent from condensing conglomeration rapidly, stir 40min, the polyvinyl alcohol water solution of the 4.0g/100mL that gently will prepare in advance again adds in the mentioned solution, stop after stirring 10min, obtain reaction solution, whole reaction process temperature is controlled at 65-75 ℃;
4) leave standstill above-mentioned reaction solution and be down to room temperature after, successively add 5.0g water glass wetting Agent for Printing Inks and 5.0g Sodium Benzoate sanitas, stir 5min, namely get described Eco-friendly and fix the sand dust-inhibitor.
Embodiment 3:
A kind of described Eco-friendly fixes the sand the preparation method of dust-inhibitor, and step is as follows:
1) 120 mesh sieves are crossed in firmly broken, the grinding of the fluffy seedcake of branch alkali, obtain biomass powder;
2) above-mentioned 8.0g biomass powder boiling 40min in 500mL boiling water is made it expanded, then stop heat supply, be cooled to 65-75 ℃, obtain the expanded solution of biomass;
3) low whipping speed is under the 150r/min condition, the 4.5g sodium lauryl sulphate is spread in the expanded solution of biomass equably to reduce the surface tension of solution, behind the 10min, stirring velocity is transferred to 2000r/min, the 7.0g Xylo-Mucine is sprinkled into equably in the mentioned solution to prevent from condensing conglomeration rapidly, stir 40min, the polyvinyl alcohol water solution of the 5.0g/100mL that gently will prepare in advance again adds in the mentioned solution, stop after stirring 10min, obtain reaction solution, whole reaction process temperature is controlled at 65-75 ℃;
4) leave standstill above-mentioned reaction solution and be down to room temperature after, successively add 4.5g magnesium chloride wetting Agent for Printing Inks and 5.0g potassium sorbate sanitas, stir 5min, namely get described Eco-friendly and fix the sand dust-inhibitor.
Embodiment 4:
A kind of described Eco-friendly fixes the sand the preparation method of dust-inhibitor, and step is as follows:
1) 120 mesh sieves are crossed in the fluffy seedcake of angle alkali is broken, grinding, obtain biomass powder;
2) above-mentioned 8.0g biomass powder boiling 40min in 500mL boiling water is made it expanded, then stop heat supply, be cooled to 65-75 ℃, obtain the expanded solution of biomass;
3) low whipping speed is under the 150r/min condition, the 4.5g sodium lauryl sulphate is spread in the expanded solution of biomass equably to reduce the surface tension of solution, behind the 10min, stirring velocity is transferred to 2000r/min, the 7.0g Xylo-Mucine is sprinkled into equably in the mentioned solution to prevent from condensing conglomeration rapidly, stir 40min, the polyvinyl alcohol water solution of the 5.0g/100mL that gently will prepare in advance again adds in the mentioned solution, stop after stirring 10min, obtain reaction solution, whole reaction process temperature is controlled at 65-75 ℃;
4) leave standstill above-mentioned reaction solution and be down to room temperature after, successively add 4.5g calcium chloride wetting Agent for Printing Inks and 5.0g potassium sorbate sanitas, stir 5min, namely get described Eco-friendly and fix the sand dust-inhibitor.
Embodiment 5:
A kind of described Eco-friendly fixes the sand the preparation method of dust-inhibitor, and step is as follows:
1) 100 mesh sieves are crossed in the fluffy seedcake of angle alkali is broken, grinding, obtain biomass powder;
2) above-mentioned 8.0g biomass powder boiling 30min in 500mL boiling water is made it expanded, then stop heat supply, be cooled to 65-75 ℃, obtain the expanded solution of biomass;
3) low whipping speed is under the 150r/min condition, the 4.5g sodium lauryl sulphate is spread in the expanded solution of biomass equably to reduce the surface tension of solution, behind the 10min, stirring velocity is transferred to 2000r/min, the 6.0g Xylo-Mucine is sprinkled into equably in the mentioned solution to prevent from condensing conglomeration rapidly, stir 40min, the polyvinyl alcohol water solution of the 4.0g/100mL that gently will prepare in advance again adds in the mentioned solution, stop after stirring 10min, obtain reaction solution, whole reaction process temperature is controlled at 65-75 ℃;
4) leave standstill above-mentioned reaction solution and be down to room temperature after, successively add 4.5g sodium sulfate wetting Agent for Printing Inks and 5.0g Sodium Benzoate sanitas, stir 5min, namely get described Eco-friendly and fix the sand dust-inhibitor.
Embodiment 6:
A kind of described Eco-friendly fixes the sand the preparation method of dust-inhibitor, and step is as follows:
1) 100 mesh sieves are crossed in Suaeda salsa seedcake is broken, grinding, obtain biomass powder;
2) above-mentioned 8.0g biomass powder boiling 30min in 500mL boiling water is made it expanded, then stop heat supply, be cooled to 65-75 ℃, obtain the expanded solution of biomass;
3) low whipping speed is under the 150r/min condition, the 4.0g sodium lauryl sulphate is spread in the expanded solution of biomass equably to reduce the surface tension of solution, behind the 10min, stirring velocity is transferred to 2000r/min, the 6.0g Xylo-Mucine is sprinkled into equably in the mentioned solution to prevent from condensing conglomeration rapidly, stir 40min, the polyvinyl alcohol water solution of the 4.0g/100mL that gently will prepare in advance again adds in the mentioned solution, stop after stirring 10min, obtain reaction solution, whole reaction process temperature is controlled at 65-75 ℃;
4) leave standstill above-mentioned reaction solution and be down to room temperature after, successively add 5.0g sodium sulfate wetting Agent for Printing Inks and 5.0g Sodium Benzoate sanitas, stir 5min, namely get described Eco-friendly and fix the sand dust-inhibitor.
The application of fixing the sand dust-inhibitor of above-mentioned preparation:
Example 1:
The fine earth soil particle of particle diameter less than 0.1mm is tiled in the stainless steel sand table of 22cm * 32cm, prepared Eco-friendly fixed the sand dust-inhibitor stoste utilize spray appliance, according to 1.5L/m
2-2.0L/m
2Consumption, be sprayed at respectively particle diameter less than the fine earth soil particle of 0.1mm surface, dust-inhibitor and fine earth soil particle are bonding, after air-dry, the thick tight and continuous bonding course of formation one deck 3-5mm.Then, be placed on the experiment of eroding in the NK-1 type packaged type wind erosion wind-tunnel, wind speed with 6m/s, 9m/s, 12m/s, 15m/s, 18m/s improves one by one respectively, carry out the intermittent type deflation, each wind speed deflation 5min, after deflation finishes, by the soil particle of collecting in the weighing sand-taped instrument, the loss amount that calculates the soil particle of every square metre of area accumulation deflation only is 0.435g, compare with the sample that sprays the equivalent tap water and do not spray any reagent, dust suppression efficient has all improved more than 99%.
Example 2:
The fine earth soil particle of particle diameter less than 0.1mm is tiled in the stainless steel sand table of 22cm * 32cm, it is that the ratio of 1:0.5,1:1,1:2,1:5 is diluted according to the mass ratio with water respectively that the Eco-friendly of described preparation is fixed the sand dust-inhibitor, then utilize spray appliance, according to 1.5L/m
2-2.0L/m
2Consumption, be sprayed at respectively particle diameter less than the fine earth soil particle of 0.1mm surface, dust-inhibitor and fine earth soil particle are bonding, after air-dry, form respectively one deck 3-5mm, 3-4mm, closely bonding course that 2-4mm, 2-3mm are thick.Then, be placed on the experiment of eroding in the NK-1 type packaged type wind erosion wind-tunnel, wind speed with 6m/s, 9m/s, 12m/s, 15m/s, 18m/s improves one by one respectively, carry out the intermittent type deflation, each wind speed deflation 5min, after deflation finishes, by the soil particle of collecting in the weighing sand-taped instrument, the loss amount that calculates the soil particle of every square metre of area accumulation deflation is 0.417g-1.491g, compare with the sample that sprays the equivalent tap water and do not spray any reagent, dust suppression efficient has all improved more than 99%.Effectively suppressed the deflation of soil, this Eco-friendly fixes the sand dust-inhibitor and has the good effect of checking winds and fixing drifting sand, and can effectively control airborne dust.
Example 3:
Get the plantation flowerpot of 2 φ 30 * 10cm, in each plantation flowerpot, load equivalent agricultural land soil of the same race (taking from huge port, Tianjin Experimental Base), the plantation mung bean seed, every interval 2-3cm throws in 3 seeds, after planting well soil surface is shakeout, then spread on the surface and spill the thick fine earth soil particle that passes through 60 mesh sieves of about 5mm, afterwards in one of them basin according to 2.0L/m
2Dosage fix the sand dust-inhibitor at this Eco-friendly of its surface sprinkling, in other 1 basin, spray the tap water of equivalent and make blank, water every three days afterwards a water (100mL waters at every turn), other experiment condition control is consistent.Found that, sprayed the green bean-leaf growing way of this ecological environment-friendly type dust-inhibitor significantly better than the green bean-leaf that sprays tap water; Spray this ecological environment-friendly type and fix the sand the green bean-leaf surviving rate of dust-inhibitor and can reach 95.6%, be higher than the surviving rate 38.9% of the green bean-leaf that sprays tap water far away.Spray this ecological environment-friendly type and fix the sand dust-inhibitor and can promote growing of plant, the growths of farm crop is had certain promoter action.
Example 4:
This ecological environment-friendly type is fixed the sand dust-inhibitor according to 2.0L/m
2Dosage be sprayed at soil surface, spray the tap water of equivalent as blank at another piece soil surface simultaneously, in the soil that sprays this dust-inhibitor and tap water, gather respectively the soil layer sample of the 5-10cm degree of depth after 45 days, then be placed in the sand table air-dry under the natural condition, grind, sieve, then respectively to the soil organism, full nitrogen, the heavy carbonic root, potassium, calcium, magnesium and trace element comprise lead, cadmium, mercury, chromium, copper, zinc, iron, manganese, boron, arsenic, the content of selenium etc. is measured, spraying the soil sample of this ecological environment-friendly type dust-inhibitor compares with the soil sample of spraying the equivalent tap water, wherein total nitrogen content has increased more than 100 times, the heavy carbonic root, potassium, calcium, the content of magnesium has respectively increase in various degree, trace element zinc, mercury, the content of boron has slightly to be increased, and it is plumbous, cadmium, chromium, copper, iron, the micronutrient levelss such as manganese reduce to some extent, arsenic, the content of selenium remains unchanged substantially.Spray this ecological environment-friendly type fix the sand dust-inhibitor to the soil soil property not only without any harm, and the effect that has to a certain extent conditioned soil loam matter, fix the sand dust-inhibitor and make the content of full nitrogen that significant increase arranged such as spraying this ecological environment-friendly type, in addition, the content of heavy carbonic root, potassium, calcium, magnesium also has respectively increase in various degree.
Claims (3)
1. an Eco-friendly fixes the sand dust-inhibitor, it is characterized in that: the raw material mixed preparing by following weight percent forms: biological material 1.6-2.0%, tensio-active agent 0.6-1.0%, water-soluble polymers Xylo-Mucine 1.2-1.5%, water-soluble polymers polyvinyl alcohol 0.8-1.2%, wetting Agent for Printing Inks 0.8-1.0%, sanitas 0.8-1.0%, all the other are water; It is the dark-brown emulsion liquid that gained fixes the sand dust-inhibitor, and viscosity is the 50-80 centipoise under the normal temperature; Described biological material is plant seed last solids cake compresses slag behind squeezing oil expression processing or extraction, and described plant seed is the mixture of one or more arbitrary proportions in Suaeda salsa seed, Suaeda heteroptera seed, the fluffy seed of angle alkali and the fluffy seed of hard branch alkali; Described water-soluble polymers is Xylo-Mucine and polyvinyl alcohol; Described tensio-active agent is the mixture of one or more arbitrary proportions in Sodium dodecylbenzene sulfonate (LAS), sodium lauryl sulphate and the polyacrylamide; Described wetting Agent for Printing Inks is the mixture of one or more arbitrary proportions in magnesium chloride, calcium chloride, sodium sulfate, water glass, polyacrylic acid potassium and the starch grafted acrylate; Described sanitas is the mixture of one or both arbitrary proportions in potassium sorbate and the Sodium Benzoate.
One kind as claimed in claim 1 Eco-friendly fix the sand the preparation method of dust-inhibitor, it is characterized in that step is as follows:
1) the 100-120 mesh sieve is crossed in biological material is broken, grinding, obtains biomass powder;
2) above-mentioned biomass powder boiling 30-40min in boiling water is made it expanded, then stop heat supply, be cooled to 65-75 ℃, obtain the expanded solution of biomass, the amount ratio of biomass powder and water is 1.6-2.0g/100mL;
3) low whipping speed is under the 150-300r/min condition, tensio-active agent is spread in the expanded solution of biomass equably to reduce the surface tension of solution, the amount ratio of tensio-active agent and the expanded solution of biomass is 0.6-1.0g/100mL, behind the 10min, stirring velocity is transferred to 1500-2000r/min, Xylo-Mucine is sprinkled into equably in the mentioned solution to prevent from condensing conglomeration rapidly, the amount ratio of Xylo-Mucine and mentioned solution is 1.2-1.5g/100mL, stir 40min, slowly add again the polyvinyl alcohol water solution that concentration is 4.0-6.0g/100ml, the amount ratio of polyvinyl alcohol water solution and mentioned solution is 1ml/5mL, stop after stirring 10min, obtain reaction solution, whole reaction process temperature is controlled at 65-75 ℃;
4) leave standstill above-mentioned reaction solution and be down to room temperature after, successively add wetting Agent for Printing Inks and sanitas, the mass percent of wetting Agent for Printing Inks and sanitas and reaction solution is 0.8-1%, stirs 5min, namely gets described Eco-friendly and fixes the sand dust-inhibitor.
One kind as claimed in claim 1 Eco-friendly fix the sand the application of dust-inhibitor, it is characterized in that: be used for fixing the sand, dust suppression, method be directly spray uses or according to fix the sand the mass ratio of dust-inhibitor and water as the dilution proportion of 1:0.5-5 after the sprinkling use.
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Application publication date: 20130109 |