CN110157451A - A kind of preparation method using ball mill modified wood fibre element and the compound soil stabilizer containing arsenic of inorganic powder - Google Patents
A kind of preparation method using ball mill modified wood fibre element and the compound soil stabilizer containing arsenic of inorganic powder Download PDFInfo
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- CN110157451A CN110157451A CN201910500090.3A CN201910500090A CN110157451A CN 110157451 A CN110157451 A CN 110157451A CN 201910500090 A CN201910500090 A CN 201910500090A CN 110157451 A CN110157451 A CN 110157451A
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- soil stabilizer
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- inorganic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/08—Reclamation of contaminated soil chemically
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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
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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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
- C09K2101/00—Agricultural use
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
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- Agricultural Chemicals And Associated Chemicals (AREA)
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Abstract
The invention discloses a kind of preparation methods using ball mill modified wood fibre element and the compound soil stabilizer containing arsenic of inorganic powder.Soil stabilizer containing arsenic is prepared using lignocellulosic (sawdust) and inorganic powder as raw material by metal oxide-loaded, and the quality proportioning of lignocellulosic and inorganic powder is (7 ~ 12): 1.Specific steps are as follows: (1) take the Chinese hemlock spruce sawdust handled well and the total 50g of illite, be put into ball mill；(2) by taking aluminium modified wood fibre element and inorganic powder composite material as an example, the ratio that quality and adsorbent material mass percent according to metallic aluminium are 20% configures Al2(SO4)3Solution and NaOH solution, the Al generated after the two is mixed (OH)3Suspension pours into ball mill, mixed grinding；(3) the adsorbent vacuum freeze drying that will be crossed through ball mill grinding obtains aluminium modified wood fibre element and the compound soil stabilizer containing arsenic of inorganic powder.Mechanical milling process reaches double effects modified and being blended while refining lignocellulosic and inorganic powder.
Description
Technical field
The invention belongs to technical field of biological plantation, and in particular to a kind of soil stabilizer containing arsenic and preparation method thereof with answer
With.
Background technique
Arsenic and its compound are mainly used for the industry such as alloy smelting, pesticide medicine, pigment, can in cell containing the enzyme of sulfydryl
In conjunction with inhibition cellular oxidation process benumbs vasomotor center, benumbs capillary.Arsenic in soil runs up to certain
Degree will generate murder by poisoning to one botanical system of soil, not only result in the degeneration of soil, the reduction of crop yield and quality, and
And by runoff and leaching polluted surface water and underground water, deteriorate hydrological environment, and direct contacting foodstuff chain may be passed through
Etc. approach jeopardize the life and health of the mankind.Therefore, it develops and a kind of is avoided that the above problem was seriously endangered to mankind's bring
Product and method are very important.
Summary of the invention
The first object of the present invention is to provide a kind of soil stabilizer containing arsenic；Second be designed to provide it is described containing arsenic
The preparation method of soil stabilizer, third are designed to provide the application of the soil stabilizer containing arsenic.
The first object of the present invention is achieved in that the soil stabilizer containing arsenic with lignocellulosic and inorganic powder
Material is raw material, is prepared by metal oxide-loaded, the quality proportioning of the lignocellulosic and inorganic powder be (7 ~
12): 1.
The second object of the present invention is achieved in that the preparation method of the soil stabilizer containing arsenic is will to match
The raw material wood cellulose and inorganic powder of ratio are put into ball mill, then be added hydroxide suspension mixed grinding 10min ~
After 120min, through 10 ~ 15h of vacuum freeze drying, then it is dried to obtain object soil stabilizer containing arsenic.
The third object of the present invention is achieved in that the soil stabilizer containing the arsenic arsenic in stable soil is answered
With.
Cellulose is renewable resource most abundant, most cheap in the world, is mainly derived from cotton, timber, careless class, straw
Stalk etc..Modified cellulose adsorbent has many advantages, such as that adsorption capacity is big, stability is high, renewable, has choosing to heavy metal ion
Selecting property adsorption capacity.Illite is clay mineral, and fine size, surface area is big, to heavy metal adsorption very excellent capacity.By wood fibre
Element is used in mixed way with illite, is remarkably improved the two to the absorption property of arsenic, to influence the migration of heavy metal element, conversion
And enrichment, reduce harm of the heavy metal to human body.
The present invention is compound for a kind of modified cellulose and inorganic powder that overcome existing arsenic in soil pollution condition to provide
The soil stabilizer containing arsenic preparation method, the present invention passes through the method for ball milling using lignocellulosic and illite as raw material
Load aluminum oxide, iron cerium bimetallic oxide, cerium manganese bimetallic oxide prepare soil stabilizer, in stable soil
Arsenic prevents it from being absorbed by root system of plant, and then is detrimental to health.The raw materials used in the present invention is cheap and easy to get, nontoxic, made
The stabilizer natural degradable obtained, makes full use of the regenerated resources of illite and cellulose, has to the arsenic in soil good steady
Surely change effect.
Soil stabilizer containing arsenic is now prepared by taking Chinese hemlock spruce sawdust as an example, specific steps are as follows:
(1) take the Chinese hemlock spruce sawdust handled well and the total 50g of illite, be put into ball mill, Chinese hemlock spruce sawdust: illite mass ratio is 9:1；
(2) by taking aluminium modified cellulose Erie stone composite material as an example, quality and adsorbent material mass percent according to aluminium are 20%
Ratio, configure Al2(SO4)3The Al (OH) generated after 10min is mixed in the two by solution and NaOH solution3Suspension falls
Enter in ball mill, 10 min-120 min of mixed grinding；
(3) the adsorbent vacuum freeze drying that will be crossed through ball mill grinding, obtains modified wood fibre element and illite composite wood
Material.
A kind of ball mill modified wood fibre element and the compound soil stabilization containing arsenic of inorganic powder are used preferably, described
Lignocellulosic includes but is not limited to Chinese hemlock spruce, poplar, Chinese catalpa wood, water wax gourd and toon in the preparation method step (1) of agent.
Preferably, a kind of ball mill modified cellulose and compound soil stabilizer containing arsenic of inorganic powder of using
Preparation method step is not limited to illite in (1), clay also can be used, concave convex rod, sepiolite, flyash etc. is other inorganic or mine
Object powder.
A kind of ball mill modified wood fibre element and the compound soil stabilization containing arsenic of inorganic powder are used preferably, described
Al in the preparation method step (2) of agent2(SO4)3AlCl can be used3、FeCl3、Ce(NO3)3、KMnO4One or more of it is compound
Replace.
The present invention has the advantage that
1, soil stabilizer containing arsenic provided by the invention uses Chinese hemlock spruce lignocellulosic, illite, sodium hydroxide, aluminum sulfate, nitre
Sour cerium, iron chloride, potassium permanganate are raw material, from a wealth of sources, cheap.
2, soil stabilizer containing arsenic provided by the invention, Ball-milling Time is short, and preparation condition is mild.
3, soil stabilizer containing arsenic provided by the invention, amount of water is few, after ball-milling treatment can convection drying, operation letter
It is single, it is suitble to industrial mass production.
4, soil stabilizer containing arsenic provided by the invention, raw material are lignocellulosic and illite, facilitate acquisition, belong to ring
Border friendly materials are easily isolated to the heavy metal gone in water removal；To the heavy metal in stable soil, crops are realized
Returning to the field, it is without secondary pollution.
5, preparation process of the present invention is simple, nontoxic, easy to operate, and product is high-efficient.Its distinguishing feature is to refine wooden fibre
While dimension element and inorganic powder, reach double effects modified and being blended.Its process is easy to industrialize and industrialization.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but the present invention is limited in any way,
Based on present invention teach that it is made it is any transform or replace, all belong to the scope of protection of the present invention.
Soil stabilizer containing arsenic of the present invention passes through carried metal oxygen using lignocellulosic and inorganic powder as raw material
Compound is prepared, and the quality proportioning of the lignocellulosic and inorganic powder is (7 ~ 12): 1.
The quality proportioning of the lignocellulosic and inorganic powder is (8 ~ 10): 1.
The quality proportioning of the lignocellulosic and inorganic powder is 9:1.
The lignocellulosic is one or more of Chinese hemlock spruce, poplar, Chinese catalpa wood, water wax gourd and toon.
The inorganic powder is one or more of illite, clay, concave convex rod, sepiolite and flyash.
The metal oxide is Al2(SO4)3、AlCl3、FeCl3、Ce(NO3)3、KMnO4One or more of it is compound
It is converted into.
The metal oxide is the gross mass by metal: the mass percent of the soil stabilizer containing arsenic is 10 ~ 30%
Meter enters.
The preparation method of the soil stabilizer of the present invention containing arsenic is by the raw material wood cellulose and nothing of formulation ratio
Machine powder is put into ball mill, after hydroxide suspension mixed grinding 10min ~ 120min then is added, vacuum freeze drying 10 ~
15h, then it is dried to obtain object soil stabilizer containing arsenic.
The hydroxide suspension is addition NaOH, KOH, Ca (OH) in configuration process2、Fe(OH)2、Fe(OH)3In
One or more of generate.
Soil stabilizer containing arsenic of the present invention is the application of the arsenic in stable soil.
The ball mill working principle that the present invention is applied to are as follows: there are four ball grinders for dress on a turntable, when turntable rotation,
Ball grinder reversely makees planetary spinning motion around itself axis again while around the revolution of master axis, and abrading-ball and material are in high speed in tank
Mutually collision, shearing and friction are generated in movement, achieve the purpose that crushing, grinding, mixing and dispersed material.The equipment can be used
All kinds of solid particles, suspension and the paste that dry, wet two methods grind size is different, material is different, abrasive product most granule
Degree can be to 0.1 micron.
Case is embodied, the present invention will be further described below:
Embodiment 1
Experimental rig platform is built, lignocellulosic and illite are taken into 50g according to the ratio of mass ratio 9:1, are put into ball mill.It presses
According to the quality of metallic aluminium: the ratio that adsorbent material mass percent is 20% is 0.5mol/LAl to 360mL concentration2(SO4)3It is molten
In liquid, 40mL concentrated NaOH solution is added dropwise, keeps magnetic agitation, the Al (OH) of generation in the process3Suspension pours into ball
In grinding machine and after 10 min-120min of adsorbent material mixed grinding, using 12 h of freeze drier vacuum freeze drying, changed
Property the cellulose and compound soil stabilizer containing arsenic of inorganic powder.
High concentration soil containing arsenic is provided with Yunnan in laboratory, crosses 20 meshes, weighs 100g dress basin.The acid-hatching of young eggs, which measures it, to be had
Effect arsenic content is 180mg/kg.Soil stabilizer dosage is 2-6%, CaCO3Dosage 0.5-1.5%, moisture content 70% are stablized
After 14 days time, with effective arsenic content in acid-hatching of young eggs measurement soil, arsenic concentration is measured with atomic fluorescence spectrophotometer.What is prepared is compound
Soil stabilizer coefficient of stabilization reaches 30-45%.
Embodiment 2
Experimental rig platform is built, lignocellulosic and illite are taken into 50g according to the ratio of mass ratio 9:1, are put into ball mill.It presses
According to the quality of metallic aluminium: the ratio that adsorbent material mass percent is 20% is 0.5mol/LAl to 360mL concentration2(SO4)3It is molten
In liquid, 40mL concentrated NaOH solution is added dropwise, keeps magnetic agitation, the Al (OH) of generation in the process3Suspension pours into ball
In grinding machine and after 10 min-120min of adsorbent material mixed grinding, using 12 h of freeze drier vacuum freeze drying, changed
Property the cellulose and compound soil stabilizer containing arsenic of inorganic powder.
High concentration soil containing arsenic is provided with Yunnan in laboratory, crosses 20 meshes, weighs 100g dress basin.The acid-hatching of young eggs, which measures it, to be had
Effect arsenic content is 180mg/kg.Soil stabilizer dosage is 5-10%, CaCO3Dosage 1%, moisture content 70% stablize the time
After 14 days, with effective arsenic content in acid-hatching of young eggs measurement soil, arsenic concentration is measured with atomic fluorescence spectrophotometer.The composite soil of preparation
Stabilizer coefficient of stabilization reaches 30-55%.
Embodiment 3
Experimental rig platform is built, lignocellulosic and illite are taken into 50g according to the ratio of mass ratio 9:1, are put into ball mill.It presses
According to the gross mass of metallic iron, cerium: the ratio that adsorbent material mass percent is 30% is 0.3-0.9mol/L to 100mL concentration
Ce(NO3)3、0.3-0.9mol/L FeCl3In solution, 20mL concentrated NaOH solution is added dropwise, keeps magnetic force to stir in the process
It mixes, the Fe (OH) of generation3、Ce(OH)3Suspension pours into ball mill and after 10 min-120min of adsorbent material mixed grinding,
In the dry drying 12h of 40 DEG C of air dry ovens, modified cellulose and the compound soil stabilizer containing arsenic of inorganic powder are obtained.
High concentration soil containing arsenic is provided with Yunnan in laboratory, crosses 20 meshes, weighs 100g dress basin.The acid-hatching of young eggs, which measures it, to be had
Effect arsenic content is 180mg/kg.Soil stabilizer dosage is 2-6%, CaCO3Dosage 0.5-1.5%, moisture content 70% are stablized
After 14 days time, with effective arsenic content in acid-hatching of young eggs measurement soil, arsenic concentration is measured with atomic fluorescence spectrophotometer.What is prepared is compound
Soil stabilizer coefficient of stabilization reaches 15-40%.
Embodiment 4
Experimental rig platform is built, lignocellulosic and illite are taken into 50g according to the ratio of mass ratio 9:1, are put into ball mill.It presses
According to the gross mass of metallic iron, cerium: the ratio that adsorbent material mass percent is 30% is 0.3-0.9mol/L to 100mL concentration
Ce(NO3)3、0.3-0.9mol/L FeCl3In solution, 20mL concentrated NaOH solution is added dropwise, keeps magnetic force to stir in the process
It mixes, the Fe (OH) of generation3、Ce(OH)3Suspension pours into ball mill and after 10 min-120min of adsorbent material mixed grinding,
In the dry drying 12h of 40 DEG C of air dry ovens, modified cellulose and the compound soil stabilizer containing arsenic of inorganic powder are obtained.
High concentration soil containing arsenic is provided with Yunnan in laboratory, crosses 20 meshes, weighs 100g dress basin.The acid-hatching of young eggs, which measures it, to be had
Effect arsenic content is 180mg/kg.Soil stabilizer dosage is 5-15%, CaCO3Dosage 0.5-1.5%, moisture content 70%, surely
After fixing time 14 days, with effective arsenic content in acid-hatching of young eggs measurement soil, arsenic concentration is measured with atomic fluorescence spectrophotometer.Preparation is answered
It closes soil stabilizer coefficient of stabilization and reaches 25-45%.
Embodiment 5
Experimental rig platform is built, lignocellulosic and illite are taken into 50g according to the ratio of mass ratio 9:1, are put into ball mill.It presses
According to the gross mass of metallic cerium, manganese: the ratio that adsorbent material mass percent is 20% is 0.3-0.8mol/L to 100mL concentration
Ce(NO3)3、0.2-0.7mol/L KMnO4In solution, 10mL concentrated NaOH solution is added dropwise, keeps magnetic force to stir in the process
It mixes, the Ce (OH) of generation3Suspension pours into ball mill and after 10 min-120min of adsorbent material mixed grinding, in 40 DEG C of drums
The dry drying 12h of wind drying box, obtains modified cellulose and the compound soil stabilizer containing arsenic of inorganic powder.
High concentration soil containing arsenic is provided with Yunnan in laboratory, crosses 20 meshes, weighs 100g dress basin.The acid-hatching of young eggs, which measures it, to be had
Effect arsenic content is 180mg/kg.Soil stabilizer dosage is 2-6%, CaCO3Dosage 0.5-1.5%, moisture content 70% are stablized
After 14 days time, with effective arsenic content in acid-hatching of young eggs measurement soil, arsenic concentration is measured with atomic fluorescence spectrophotometer.What is prepared is compound
Soil stabilizer coefficient of stabilization reaches 15-40%.
Embodiment 6
Experimental rig platform is built, lignocellulosic and illite are taken into 50g according to the ratio of mass ratio 9:1, are put into ball mill.It presses
According to the gross mass of metallic cerium, manganese: the ratio that adsorbent material mass percent is 20% is 0.3-0.8mol/L to 100mL concentration
Ce(NO3)3、0.2-0.7mol/L KMnO4In solution, 10mL concentrated NaOH solution is added dropwise, keeps magnetic force to stir in the process
It mixes, the Ce (OH) of generation3Suspension pours into ball mill and after 10 min-120min of adsorbent material mixed grinding, in 40 DEG C of drums
The dry drying 12h of wind drying box, obtains modified cellulose and the compound soil stabilizer containing arsenic of inorganic powder.
High concentration soil containing arsenic is provided with Yunnan in laboratory, crosses 20 meshes, weighs 100g dress basin.The acid-hatching of young eggs, which measures it, to be had
Effect arsenic content is 180mg/kg.Soil stabilizer dosage is 10%, CaCO3Dosage 1%, moisture content 70% stablize the time 14
After it, with effective arsenic content in acid-hatching of young eggs measurement soil, arsenic concentration is measured with atomic fluorescence spectrophotometer.The composite soil of preparation is steady
Determine agent coefficient of stabilization and reaches 20-40%.
Claims (10)
1. a kind of soil stabilizer containing arsenic, it is characterised in that the soil stabilizer containing arsenic is with lignocellulosic and inorganic powder
For raw material, be prepared by metal oxide-loaded, the quality proportioning of the lignocellulosic and inorganic powder be (7 ~
12): 1.
2. soil stabilizer containing arsenic according to claim 1, it is characterised in that the lignocellulosic and inorganic powder
Quality proportioning be (8 ~ 10): 1.
3. soil stabilizer containing arsenic according to claim 1, it is characterised in that the lignocellulosic and inorganic powder
Quality proportioning be 9:1.
4. any soil stabilizer containing arsenic according to claim 1 ~ 3, it is characterised in that the lignocellulosic is iron
One or more of China fir, poplar, Chinese catalpa wood, water wax gourd and toon.
5. any soil stabilizer containing arsenic according to claim 1 ~ 3, it is characterised in that the inorganic powder is Erie
One or more of stone, clay, concave convex rod, sepiolite and flyash.
6. soil stabilizer containing arsenic according to claim 1, it is characterised in that the metal oxide is Al2(SO4)3、
AlCl3、FeCl3、Ce(NO3)3、KMnO4One or more of compound be converted into.
7. soil stabilizer containing arsenic according to claim 1, it is characterised in that the metal oxide is by metal
Gross mass: the meter that the mass percent of the soil stabilizer containing arsenic is 10 ~ 30% enters.
8. a kind of preparation method of any soil stabilizer containing arsenic of claim 1 ~ 7, it is characterised in that described contains arsenic
The preparation method of soil stabilizer is that the raw material wood cellulose and inorganic powder of formulation ratio are put into ball mill, is then added
10 ~ 15h of vacuum freeze drying after hydroxide suspension mixed grinding 10min ~ 120min, then object is dried to obtain containing arsenic
Soil stabilizer.
9. preparation method according to claim 8, it is characterised in that the hydroxide suspension is in configuration process
It is added NaOH, KOH, Ca (OH)2、Fe(OH)2、Fe(OH)3One or more of generate.
10. a kind of any soil stabilizer containing arsenic of claim 1 ~ 7, it is characterised in that the soil stabilizer containing arsenic
The application of arsenic in stable soil.
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