CN108130092A - A kind of composite soil passivator - Google Patents
A kind of composite soil passivator Download PDFInfo
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- CN108130092A CN108130092A CN201711410070.4A CN201711410070A CN108130092A CN 108130092 A CN108130092 A CN 108130092A CN 201711410070 A CN201711410070 A CN 201711410070A CN 108130092 A CN108130092 A CN 108130092A
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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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- 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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Abstract
The invention discloses a kind of composite soil passivator, belong to remediation of heavy metal-contaminated soil field.The present invention：Slag is crushed, is sieved, steel-making slag powder is obtained, by steel-making slag powder and sulfuric acid in mass ratio 1：30~50 are stirred, and filter, washing, dry to get modified steel ground-slag；Octenyl succinic acid anhydride is added dropwise to Arabic glue, is stirred to react, obtains mixed once liquid, sodium hydroxide solution is added to adjust pH to mixed once drop, heating stirring reaction obtains secondary mixed liquor, hydrochloric acid is added dropwise to secondary mixed liquor, adjusts secondary pH of mixed, obtains unmodified gum glue；By modified steel ground-slag, Bacillus pasteurii bacterium solution, urea, unmodified gum glue, citric acid, malic acid, carbomer, phosphatide and protein liquid are stirred to get composite soil passivator.Composite soil passivator provided by the invention has excellent heavy metals removal effect.
Description
Technical field
The invention discloses a kind of composite soil passivator, belong to remediation of heavy metal-contaminated soil field.
Background technology
With the development of industry, heavy metal pollution of soil problem brings great threat to human habitat.Common
Remediation of heavy metal-contaminated soil mainly has peripheral doses, chemical remediation, biological prosthetic and agricultural regulation technology etc..Wherein,
Chemical passivation/technique for fixing due to its can quickly, be greatly reduced heavy metal biological effectiveness and toxicity and transported extensively
With.Passivating technique mainly reduces the mobility of heavy metal in soil and biological effectiveness by passivator, but can not be by weight
Metal is removed from soil, but it is present in the form of more stable in soil.So targetedly selection it is a kind of or
A variety of passivator efficient, that stability is permanent are the key that in the technology practical application.
In recent years, some scholars study material applications such as organic matter, lime, phosphate fertilizer in the original of heavy-metal contaminated soil more
During position passivation is repaired, preferable achievement is achieved.Some scholars have studied influence of the nitrogenous fertilizer to heavy metal in soil after passivation.But
The research for being forefathers is mostly to be directed to a certain or two kinds of pollution elements passivation reparation, the pollution of heavy metal actually in nature
Often exist with association or compound contact scar, pollution is even more serious especially caused by non-ferrous metal metallurgy.Meanwhile passivator sheet
Body also has selectivity to different heavy metals, and the report that organic and inorganic component is combined to the Passivation Treatment carried out also compares
It is few.Thus humus, ammonium sulfate and common lime, phosphate fertilizer are compounded, the heavy metal in soil can be not only passivated and stablized, but also
Can have the function that fertile soil, such research heavy-metal contaminated soil at this stage is administered have certain realistic meaning and
Economic implications.At present also there is the problem of bad to the removal effect of heavy metal ion in conventional soil passivator, therefore also need pair
It is studied.
Invention content
The present invention solves the technical problem of：For conventional soil passivator to the removal effect of heavy metal ion not
The problem of good, provides a kind of composite soil passivator.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
A kind of composite soil passivator, is made of the raw material of following parts by weight：20~30 parts of modified steel ground-slags, 30~40 parts
Bacillus pasteurii bacterium solution, 10~20 parts of urea, 20~30 parts of unmodified gum glues, 8~10 parts of citric acids, 8~10 parts of apples
Tartaric acid, 8~10 parts of carbomers, 8~10 parts of phosphatide, 8~10 parts of protein liquids；
The preparation process of the composite soil passivator is：Each raw material is weighed by raw material composition, by modified steel ground-slag, Pasteur's gemma
Bacillus bacterium solution, urea, unmodified gum glue, citric acid, malic acid, carbomer, phosphatide and protein liquid are stirred to get multiple
Close soil passivator.
The preparation process of the modified steel ground-slag is：Slag is crushed, is sieved, is obtained steel-making slag powder, steel-making slag powder and sulfuric acid are pressed
Mass ratio 1：30~1：50 are stirred, and filter, washing, dry to get modified steel ground-slag；The slag is converter slag, is put down
Any one in stove slag or electric furnace slag.
The Bacillus pasteurii bacterium solution is configured by the raw material of following parts by weight：80~100 parts of deionized waters,
4~6 parts of Bacillus pasteuriis, 10~15 parts of glycerine, 8~10 parts of ethylene glycol.
The preparation process of the unmodified gum glue is：It counts in parts by weight, by 20~30 parts of octenyl succinic acid anhydrides
30~40 parts of Arabic glues are added dropwise to, is stirred to react, obtains mixed once liquid, add sodium hydroxide solution tune to mixed once drop
Save pH, heating stirring reaction obtains secondary mixed liquor, hydrochloric acid is added dropwise to secondary mixed liquor, adjusts secondary pH of mixed, obtain modified Ah
Draw primary glue；It is described Arab glue preparation process be：By gummi arabicum pulveratum and water in mass ratio 1：50~1：100 mixing are molten
After swollen, heating stirring mixing obtains Arabic glue.
The carbomer is CARBOPOL 971, any one in CARBOPOL 974P or carbomer940.
The phosphatide is peanut phosphatide, any one in milk phosphatide or yolk phospholipid.
The preparation process of the protein liquid is：By albumen powder and water in mass ratio 1：50~1：After 100 mixing swellings, heating
It is stirred, obtains protein liquid；The albumen powder is soyabean protein powder, casoid flour, in PURE WHEY or Fed Protein Powder of Pea Insteal
Any one.
The beneficial effects of the invention are as follows：
（1）The present invention is by adding Bacillus pasteurii bacterium solution, and first, Bacillus pasteurii is infiltrated through in soil, Pasteur's gemma
Bacillus generates urase in metabolic processes, urase the urea in system can be decomposed generation carbanion and ammonium root from
Son, since Bacillus pasteurii cell wall is negatively charged, the heavy metal ion in soil can be by Bacillus pasteurii cell
Wall adsorbs, so as to which using cell as nucleus, a nanometer heavy metallic salt can be generated around bacterium, on the one hand, effectively reducing can in soil
Content of beary metal is exchanged, on the other hand, generation nanometer heavy metallic salt has a larger specific surface area, smaller grain size and higher
Reactivity has heavy metal ion and adsorbs very much fixed function by force, so as to effectively remove the heavy metal ion in soil, reduces
Harm of the heavy metal to soil in addition, the ammonium ion of generation is more easy to be absorbed by plants, promotes the growth of plant；
（2）By adding unmodified gum glue, Arabic gum divides the present invention after the modification of octenyl succinic acid anhydride
Hydrophilic carboxylic group and hydrophobic octenyl long-chain are introduced simultaneously in son, in use, first, hydrophilic carboxyl
Group can be stretched in water, and hydrophobic octenyl long-chain can be stretched into oil, and complicated polysaccharide long-chain then can the exhibition at water-oil interface
It opens, fine and close in Zinc fractions, continuously, thick and solid and survivable three-dimensional network, three-dimensional network is by the huge sum of money in soil
Belong to and fixing, three-dimensional network has stronger space steric effect, on the one hand, heavy metal ion aggregation is avoided to kill Pasteur's gemma bar
On the other hand bacterium, can provide advantageous place for Bacillus pasteurii combination heavy metal ion.
Specific embodiment
Slag is placed in slag pulverizer to crush, the sieve of 200~300 mesh is crossed, steel-making slag powder is obtained, by steel-making slag powder and mass fraction
For 40~50% sulfuric acid in mass ratio 1：30~1：50 are placed in No. 1 beaker, in rotating speed under the conditions of 400~500r/min, to stir
40~60min of mixing is mixed, mixed liquor is obtained, then mixed liquor is filtered, obtains filter residue, filter residue is then washed with deionized 3~5
It is secondary, then the filter residue after washing is placed in baking oven, under the conditions of temperature is 105~110 DEG C, drying is to constant weight to get modification
Steel-making slag powder；It counts in parts by weight, by 80~100 parts of deionized waters, 4~6 parts of Bacillus pasteuriis, 10~15 parts of glycerine, 8~10
Part ethylene glycol is placed in No. 2 beakers, in rotating speed under the conditions of 300~500r/min, to be stirred 30~40min to get Pasteur
Bacillus bacterium solution；By gummi arabicum pulveratum and water in mass ratio 1：50~1：100 add in No. 3 beakers, are stirred with glass bar mixed
After closing 20~30min, stand 3~4h of swelling, then No. 3 beakers moved into digital displays and are tested the speed constant temperature blender with magnetic force, in temperature be 95
~100 DEG C, under the conditions of rotating speed is 400~500r/min, heating stirring dissolves 40~50min to get Arabic glue；By weight
20~30 parts of ocentyl succinics are added dropwise into the three-necked flask for filling 30~40 parts of Arabic glues with dropping funel in number meter
Acid anhydride, and three-necked flask is moved into digital display and is tested the speed in constant temperature blender with magnetic force, in rotating speed under the conditions of 300~500r/min, stirring
30~50min is reacted, obtains mixed once liquid, sodium hydroxide solution is added to adjust pH to 8.3~8.5 then to mixed once drop,
It it is 35~50 DEG C in temperature, under the conditions of rotating speed is 200~300r/min, heating stirring reacts 30~50min, obtains secondary mixing
Liquid is then added dropwise the hydrochloric acid that mass fraction is 8~10% to secondary mixed liquor, adjusts secondary pH of mixed to 6.8~7.1, must change
Property Arab glue；By albumen powder and water in mass ratio 1：50~1：100 add in No. 4 beakers, and 20 are stirred with glass bar
After~30min, stand 3~4h of swelling, then No. 4 beakers moved into digital displays and are tested the speed constant temperature blender with magnetic force, in temperature be 95~100
DEG C, under the conditions of rotating speed is 400~500r/min, heating stirring dissolves 40~50min to get protein liquid；It counts in parts by weight, it will
20~30 parts of modified steel ground-slags, 30~40 parts of Bacillus pasteurii bacterium solutions, 10~20 parts of urea, 20~30 parts of modified gum arabics
Liquid, 8~10 parts of citric acids, 8~10 parts of malic acid, 8~10 parts of carbomers, 8~10 parts of phosphatide, 8~10 parts of protein liquids are placed in mixed
In material machine, in rotating speed under the conditions of 400~500r/min, to be stirred 40~60min to get composite soil passivator.It is described
Slag is converter slag, any one in open hearth slag or electric furnace slag.The carbomer be CARBOPOL 971, carbomer
Any one in 974P or carbomer940.The phosphatide is peanut phosphatide, any one in milk phosphatide or yolk phospholipid
Kind.The albumen powder is soyabean protein powder, casoid flour, any one in PURE WHEY or Fed Protein Powder of Pea Insteal.
Example 1
Slag is placed in slag pulverizer to crush, the sieve of 300 mesh is crossed, obtains steel-making slag powder, by the sulphur that steel-making slag powder and mass fraction are 50%
Acid in mass ratio 1：50 are placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains mixed liquor, then
Mixed liquor is filtered, obtains filter residue, then filter residue is washed with deionized 5 times, then the filter residue after washing is placed in baking oven,
Under the conditions of temperature is 110 DEG C, drying is to constant weight to get modified steel ground-slag；It counts in parts by weight, by 100 parts of deionized waters, 6
Part Bacillus pasteurii, 15 parts of glycerine, 10 parts of ethylene glycol are placed in No. 2 beakers, in rotating speed under the conditions of 500r/min, stirring is mixed
40min is closed to get Bacillus pasteurii bacterium solution；By gummi arabicum pulveratum and water in mass ratio 1：100 add in No. 3 beakers, use glass
After glass stick is stirred 30min, swelling 4h is stood, then No. 3 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, be in temperature
100 DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get Arabic glue；It counts in parts by weight, with drop
Into the three-necked flask for filling 40 parts of Arabic glues 30 parts of octenyl succinic acid anhydrides are added dropwise, and three-necked flask is moved in liquid funnel
Digital display tests the speed in constant temperature blender with magnetic force, in rotating speed under the conditions of 500r/min, to be stirred to react 50min, obtaining mixed once liquid, with
Backward mixed once drop adds sodium hydroxide solution to adjust pH to 8.5, in temperature be 50 DEG C, under the conditions of rotating speed is 300r/min,
Heating stirring reacts 50min, obtains secondary mixed liquor, and the hydrochloric acid that mass fraction is 10% then is added dropwise to secondary mixed liquor, adjusts two
Secondary pH of mixed obtains unmodified gum glue to 7.1；By albumen powder and water in mass ratio 1：100 add in No. 4 beakers, use glass
After glass stick is stirred 20~30min, swelling 4h is stood, then No. 4 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, Yu Wen
It is 100 DEG C to spend, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get protein liquid；It counts in parts by weight, by 30
Part modified steel ground-slag, 40 parts of Bacillus pasteurii bacterium solutions, 20 parts of urea, 30 parts of unmodified gum glues, 10 parts of citric acids, 10 parts
Malic acid, 10 parts of carbomers, 10 parts of phosphatide, 10 parts of protein liquids are placed in batch mixer, in rotating speed under the conditions of 500r/min, to stir
60min is mixed to get composite soil passivator.The slag is converter slag.The carbomer is CARBOPOL 971.The phosphorus
Fat is peanut phosphatide.The albumen powder is soyabean protein powder.
Example 2
Slag is placed in slag pulverizer to crush, the sieve of 300 mesh is crossed, obtains steel-making slag powder；It counts in parts by weight, by 100 parts of deionizations
Water, 6 parts of Bacillus pasteuriis, 15 parts of glycerine, 10 parts of ethylene glycol are placed in No. 2 beakers, in rotating speed under the conditions of 500r/min, to stir
Mixing 40min is mixed to get Bacillus pasteurii bacterium solution；By gummi arabicum pulveratum and water in mass ratio 1：100 add in No. 3 beakers,
After being stirred 30min with glass bar, swelling 4h is stood, then No. 3 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, Yu Wen
It is 100 DEG C to spend, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get Arabic glue；It counts in parts by weight,
30 parts of octenyl succinic acid anhydrides are added dropwise into the three-necked flask for filling 40 parts of Arabic glues with dropping funel, and by three-necked flask
It moves to digital display to test the speed in constant temperature blender with magnetic force, in rotating speed under the conditions of 500r/min, to be stirred to react 50min, obtaining mixed once
Liquid adds sodium hydroxide solution to adjust pH to 8.5 then to mixed once drop, is 50 DEG C in temperature, rotating speed is 300r/min items
Under part, heating stirring reaction 50min obtains secondary mixed liquor, the hydrochloric acid that mass fraction is 10% then is added dropwise to secondary mixed liquor,
Secondary pH of mixed is adjusted to 7.1, obtains unmodified gum glue；By albumen powder and water in mass ratio 1：100 add in No. 4 beakers
In, after being stirred 20~30min with glass bar, stand swelling 4h, then No. 4 beakers are moved into digital displays and are tested the speed temperature constant magnetic stirring
Device is 100 DEG C in temperature, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get protein liquid；In parts by weight
Meter, by 30 parts of steel-making slag powders, 40 parts of Bacillus pasteurii bacterium solutions, 20 parts of urea, 30 parts of unmodified gum glues, 10 parts of citric acids,
10 parts of malic acid, 10 parts of carbomers, 10 parts of phosphatide, 10 parts of protein liquids are placed in batch mixer, under the conditions of rotating speed is 500r/min,
60min is stirred to get composite soil passivator.The slag is converter slag.The carbomer is CARBOPOL 971.Institute
Phosphatide is stated as peanut phosphatide.The albumen powder is soyabean protein powder.
Example 3
Slag is placed in slag pulverizer to crush, the sieve of 300 mesh is crossed, obtains steel-making slag powder, by the sulphur that steel-making slag powder and mass fraction are 50%
Acid in mass ratio 1：50 are placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains mixed liquor, then
Mixed liquor is filtered, obtains filter residue, then filter residue is washed with deionized 5 times, then the filter residue after washing is placed in baking oven,
Under the conditions of temperature is 110 DEG C, drying is to constant weight to get modified steel ground-slag；By gummi arabicum pulveratum and water in mass ratio 1：100 add
Enter in No. 3 beakers, after being stirred 30min with glass bar, stand swelling 4h, then No. 3 beakers are moved into digital displays and are tested the speed constant temperature magnetic
Power blender is 100 DEG C in temperature, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get Arabic glue；
It counts in parts by weight, 30 parts of ocentyl succinics is added dropwise into the three-necked flask for filling 40 parts of Arabic glues with dropping funel
Acid anhydride, and three-necked flask is moved into digital display and is tested the speed in constant temperature blender with magnetic force, in rotating speed under the conditions of 500r/min, to be stirred to react
50min obtains mixed once liquid, then to mixed once drop add sodium hydroxide solution adjust pH to 8.5, in temperature be 50 DEG C,
Under the conditions of rotating speed is 300r/min, heating stirring reaction 50min obtains secondary mixed liquor, quality then is added dropwise to secondary mixed liquor
Score is 10% hydrochloric acid, adjusts secondary pH of mixed to 7.1, obtains unmodified gum glue；By albumen powder and water in mass ratio 1：
100 add in No. 4 beakers, after being stirred 20~30min with glass bar, stand swelling 4h, then No. 4 beakers are moved into digital display and are surveyed
Fast constant temperature blender with magnetic force is 100 DEG C in temperature, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get egg
White liquor；It counts in parts by weight, by 30 parts of modified steel ground-slags, 20 parts of urea, 30 parts of unmodified gum glues, 10 parts of citric acids, 10
Part malic acid, 10 parts of carbomers, 10 parts of phosphatide, 10 parts of protein liquids are placed in batch mixer, in rotating speed under the conditions of 500r/min, to stir
Mixing 60min is mixed to get composite soil passivator.The slag is converter slag.The carbomer is CARBOPOL 971.It is described
Phosphatide is peanut phosphatide.The albumen powder is soyabean protein powder.
Example 4
Slag is placed in slag pulverizer to crush, the sieve of 300 mesh is crossed, obtains steel-making slag powder, by the sulphur that steel-making slag powder and mass fraction are 50%
Acid in mass ratio 1：50 are placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains mixed liquor, then
Mixed liquor is filtered, obtains filter residue, then filter residue is washed with deionized 5 times, then the filter residue after washing is placed in baking oven,
Under the conditions of temperature is 110 DEG C, drying is to constant weight to get modified steel ground-slag；It counts in parts by weight, by 100 parts of deionized waters, 6
Part Bacillus pasteurii, 15 parts of glycerine, 10 parts of ethylene glycol are placed in No. 2 beakers, in rotating speed under the conditions of 500r/min, stirring is mixed
40min is closed to get Bacillus pasteurii bacterium solution；By gummi arabicum pulveratum and water in mass ratio 1：100 add in No. 3 beakers, use glass
After glass stick is stirred 30min, swelling 4h is stood, then No. 3 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, be in temperature
100 DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get Arabic glue；It counts in parts by weight, with drop
Into the three-necked flask for filling 40 parts of Arabic glues 30 parts of octenyl succinic acid anhydrides are added dropwise, and three-necked flask is moved in liquid funnel
Digital display tests the speed in constant temperature blender with magnetic force, in rotating speed under the conditions of 500r/min, to be stirred to react 50min, obtaining mixed once liquid, with
Backward mixed once drop adds sodium hydroxide solution to adjust pH to 8.5, in temperature be 50 DEG C, under the conditions of rotating speed is 300r/min,
Heating stirring reacts 50min, obtains secondary mixed liquor, and the hydrochloric acid that mass fraction is 10% then is added dropwise to secondary mixed liquor, adjusts two
Secondary pH of mixed obtains unmodified gum glue to 7.1；By albumen powder and water in mass ratio 1：100 add in No. 4 beakers, use glass
After glass stick is stirred 20~30min, swelling 4h is stood, then No. 4 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, Yu Wen
It is 100 DEG C to spend, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get protein liquid；It counts in parts by weight, by 30
Part modified steel ground-slag, 40 parts of Bacillus pasteurii bacterium solutions, 30 parts of unmodified gum glues, 10 parts of citric acids, 10 parts of malic acid, 10
Part carbomer, 10 parts of phosphatide, 10 parts of protein liquids are placed in batch mixer, in rotating speed under the conditions of 500r/min, to be stirred
60min is to get composite soil passivator.The slag is converter slag.The carbomer is CARBOPOL 971.The phosphatide is
Peanut phosphatide.The albumen powder is soyabean protein powder.
Example 5
Slag is placed in slag pulverizer to crush, the sieve of 300 mesh is crossed, obtains steel-making slag powder, by the sulphur that steel-making slag powder and mass fraction are 50%
Acid in mass ratio 1：50 are placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains mixed liquor, then
Mixed liquor is filtered, obtains filter residue, then filter residue is washed with deionized 5 times, then the filter residue after washing is placed in baking oven,
Under the conditions of temperature is 110 DEG C, drying is to constant weight to get modified steel ground-slag；It counts in parts by weight, by 100 parts of deionized waters, 6
Part Bacillus pasteurii, 15 parts of glycerine, 10 parts of ethylene glycol are placed in No. 2 beakers, in rotating speed under the conditions of 500r/min, stirring is mixed
40min is closed to get Bacillus pasteurii bacterium solution；By albumen powder and water in mass ratio 1：100 add in No. 4 beakers, use glass bar
After being stirred 20~30min, swelling 4h is stood, then No. 4 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, be in temperature
100 DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get protein liquid；It counts in parts by weight, 30 parts is changed
Property steel-making slag powder, 40 parts of Bacillus pasteurii bacterium solutions, 20 parts of urea, 10 parts of citric acids, 10 parts of malic acid, 10 parts of carbomers, 10 parts
Phosphatide, 10 parts of protein liquids are placed in batch mixer, in rotating speed under the conditions of 500r/min, to be stirred 60min to get composite soil
Passivator.The slag is converter slag.The carbomer is CARBOPOL 971.The phosphatide is peanut phosphatide.The albumen
Powder is soyabean protein powder.
Example 6
Slag is placed in slag pulverizer to crush, the sieve of 300 mesh is crossed, obtains steel-making slag powder, by the sulphur that steel-making slag powder and mass fraction are 50%
Acid in mass ratio 1：50 are placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains mixed liquor, then
Mixed liquor is filtered, obtains filter residue, then filter residue is washed with deionized 5 times, then the filter residue after washing is placed in baking oven,
Under the conditions of temperature is 110 DEG C, drying is to constant weight to get modified steel ground-slag；It counts in parts by weight, by 100 parts of deionized waters, 6
Part Bacillus pasteurii, 15 parts of glycerine, 10 parts of ethylene glycol are placed in No. 2 beakers, in rotating speed under the conditions of 500r/min, stirring is mixed
40min is closed to get Bacillus pasteurii bacterium solution；By gummi arabicum pulveratum and water in mass ratio 1：100 add in No. 3 beakers, use glass
After glass stick is stirred 30min, swelling 4h is stood, then No. 3 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, be in temperature
100 DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get Arabic glue；It counts in parts by weight, with drop
Into the three-necked flask for filling 40 parts of Arabic glues 30 parts of octenyl succinic acid anhydrides are added dropwise, and three-necked flask is moved in liquid funnel
Digital display tests the speed in constant temperature blender with magnetic force, in rotating speed under the conditions of 500r/min, to be stirred to react 50min, obtaining mixed once liquid, with
Backward mixed once drop adds sodium hydroxide solution to adjust pH to 8.5, in temperature be 50 DEG C, under the conditions of rotating speed is 300r/min,
Heating stirring reacts 50min, obtains secondary mixed liquor, and the hydrochloric acid that mass fraction is 10% then is added dropwise to secondary mixed liquor, adjusts two
Secondary pH of mixed obtains unmodified gum glue to 7.1；By albumen powder and water in mass ratio 1：100 add in No. 4 beakers, use glass
After glass stick is stirred 20~30min, swelling 4h is stood, then No. 4 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, Yu Wen
It is 100 DEG C to spend, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get protein liquid；It counts in parts by weight, by 30
Part modified steel ground-slag, 40 parts of Bacillus pasteurii bacterium solutions, 20 parts of urea, 30 parts of unmodified gum glues, 10 parts of carbomers, 10 parts
Phosphatide, 10 parts of protein liquids are placed in batch mixer, in rotating speed under the conditions of 500r/min, to be stirred 60min to get composite soil
Passivator.The slag is converter slag.The carbomer is CARBOPOL 971.The phosphatide is peanut phosphatide.The albumen
Powder is soyabean protein powder.
Example 7
Slag is placed in slag pulverizer to crush, the sieve of 300 mesh is crossed, obtains steel-making slag powder, by the sulphur that steel-making slag powder and mass fraction are 50%
Acid in mass ratio 1：50 are placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains mixed liquor, then
Mixed liquor is filtered, obtains filter residue, then filter residue is washed with deionized 5 times, then the filter residue after washing is placed in baking oven,
Under the conditions of temperature is 110 DEG C, drying is to constant weight to get modified steel ground-slag；It counts in parts by weight, by 100 parts of deionized waters, 6
Part Bacillus pasteurii, 15 parts of glycerine, 10 parts of ethylene glycol are placed in No. 2 beakers, in rotating speed under the conditions of 500r/min, stirring is mixed
40min is closed to get Bacillus pasteurii bacterium solution；By gummi arabicum pulveratum and water in mass ratio 1：100 add in No. 3 beakers, use glass
After glass stick is stirred 30min, swelling 4h is stood, then No. 3 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, be in temperature
100 DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get Arabic glue；It counts in parts by weight, with drop
Into the three-necked flask for filling 40 parts of Arabic glues 30 parts of octenyl succinic acid anhydrides are added dropwise, and three-necked flask is moved in liquid funnel
Digital display tests the speed in constant temperature blender with magnetic force, in rotating speed under the conditions of 500r/min, to be stirred to react 50min, obtaining mixed once liquid, with
Backward mixed once drop adds sodium hydroxide solution to adjust pH to 8.5, in temperature be 50 DEG C, under the conditions of rotating speed is 300r/min,
Heating stirring reacts 50min, obtains secondary mixed liquor, and the hydrochloric acid that mass fraction is 10% then is added dropwise to secondary mixed liquor, adjusts two
Secondary pH of mixed obtains unmodified gum glue to 7.1；By albumen powder and water in mass ratio 1：100 add in No. 4 beakers, use glass
After glass stick is stirred 20~30min, swelling 4h is stood, then No. 4 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, Yu Wen
It is 100 DEG C to spend, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get protein liquid；It counts in parts by weight, by 30
Part modified steel ground-slag, 40 parts of Bacillus pasteurii bacterium solutions, 20 parts of urea, 30 parts of unmodified gum glues, 10 parts of citric acids, 10 parts
Malic acid, 10 parts of phosphatide, 10 parts of protein liquids are placed in batch mixer, in rotating speed under the conditions of 500r/min, to be stirred 60min,
Up to composite soil passivator.The slag is converter slag.The phosphatide is peanut phosphatide.The albumen powder is soybean protein
Powder.
Example 8
Slag is placed in slag pulverizer to crush, the sieve of 300 mesh is crossed, obtains steel-making slag powder, by the sulphur that steel-making slag powder and mass fraction are 50%
Acid in mass ratio 1：50 are placed in No. 1 beaker, under the conditions of rotating speed is 500r/min, is stirred 60min, obtains mixed liquor, then
Mixed liquor is filtered, obtains filter residue, then filter residue is washed with deionized 5 times, then the filter residue after washing is placed in baking oven,
Under the conditions of temperature is 110 DEG C, drying is to constant weight to get modified steel ground-slag；It counts in parts by weight, by 100 parts of deionized waters, 6
Part Bacillus pasteurii, 15 parts of glycerine, 10 parts of ethylene glycol are placed in No. 2 beakers, in rotating speed under the conditions of 500r/min, stirring is mixed
40min is closed to get Bacillus pasteurii bacterium solution；By gummi arabicum pulveratum and water in mass ratio 1：100 add in No. 3 beakers, use glass
After glass stick is stirred 30min, swelling 4h is stood, then No. 3 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, be in temperature
100 DEG C, under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get Arabic glue；It counts in parts by weight, with drop
Into the three-necked flask for filling 40 parts of Arabic glues 30 parts of octenyl succinic acid anhydrides are added dropwise, and three-necked flask is moved in liquid funnel
Digital display tests the speed in constant temperature blender with magnetic force, in rotating speed under the conditions of 500r/min, to be stirred to react 50min, obtaining mixed once liquid, with
Backward mixed once drop adds sodium hydroxide solution to adjust pH to 8.5, in temperature be 50 DEG C, under the conditions of rotating speed is 300r/min,
Heating stirring reacts 50min, obtains secondary mixed liquor, and the hydrochloric acid that mass fraction is 10% then is added dropwise to secondary mixed liquor, adjusts two
Secondary pH of mixed obtains unmodified gum glue to 7.1；By albumen powder and water in mass ratio 1：100 add in No. 4 beakers, use glass
After glass stick is stirred 20~30min, swelling 4h is stood, then No. 4 beakers are moved into digital displays and are tested the speed constant temperature blender with magnetic force, Yu Wen
It is 100 DEG C to spend, and under the conditions of rotating speed is 500r/min, heating stirring dissolves 50min to get protein liquid；It counts in parts by weight, by 30
Part modified steel ground-slag, 40 parts of Bacillus pasteurii bacterium solutions, 20 parts of urea, 30 parts of unmodified gum glues, 10 parts of citric acids, 10 parts
Malic acid, 10 parts of carbomers, 10 parts of protein liquids are placed in batch mixer, in rotating speed under the conditions of 500r/min, to be stirred
60min is to get composite soil passivator.The slag is converter slag.The carbomer is CARBOPOL 971.The albumen powder
For soyabean protein powder.
Comparative example：The soil passivator of Beijing Environmental Technology AS production.
1 to 8 gained soil passivator of example and comparative example product are subjected to performance detection, specific detection method is as follows：
Stabilization efficiency of the above-mentioned soil passivator to heavy metal is detected, specific testing result is as shown in table 1：
Table 1：Performance detection table
There is 1 testing result of table it is found that present invention gained composite soil passivator has excellent heavy metals removal effect.
Claims (7)
1. a kind of composite soil passivator, it is characterised in that：It is made of the raw material of following parts by weight：20~30 parts of modified steels
Ground-slag, 30~40 parts of Bacillus pasteurii bacterium solutions, 10~20 parts of urea, 20~30 parts of unmodified gum glues, 8~10 portions of lemons
Acid, 8~10 parts of malic acid, 8~10 parts of carbomers, 8~10 parts of phosphatide, 8~10 parts of protein liquids；
The preparation process of the composite soil passivator is：Each raw material is weighed by raw material composition, by modified steel ground-slag, Pasteur's gemma
Bacillus bacterium solution, urea, unmodified gum glue, citric acid, malic acid, carbomer, phosphatide and protein liquid are stirred to get multiple
Close soil passivator.
2. a kind of composite soil passivator according to claim 1, it is characterised in that：The preparation process of the modified steel ground-slag
For：Slag is crushed, is sieved, steel-making slag powder is obtained, by steel-making slag powder and sulfuric acid in mass ratio 1：30~1：50 are stirred, and filtering is washed
It washs, it is dry to get modified steel ground-slag；The slag is converter slag, any one in open hearth slag or electric furnace slag.
3. a kind of composite soil passivator according to claim 1, it is characterised in that：The Bacillus pasteurii bacterium solution be by
The raw material of following parts by weight is configured：80~100 parts of deionized waters, 4~6 parts of Bacillus pasteuriis, 10~15 parts of glycerine,
8~10 parts of ethylene glycol.
4. a kind of composite soil passivator according to claim 1, it is characterised in that：The preparation of the unmodified gum glue
Process is：It counts in parts by weight, 20~30 parts of octenyl succinic acid anhydrides is added dropwise to 30~40 parts of Arabic glues, stirring is anti-
Should, mixed once liquid is obtained, sodium hydroxide solution is added to adjust pH to mixed once drop, heating stirring reaction obtains secondary mixed liquor,
Hydrochloric acid is added dropwise to secondary mixed liquor, adjusts secondary pH of mixed, obtains unmodified gum glue；The preparation of Arab's glue
Cheng Wei：By gummi arabicum pulveratum and water in mass ratio 1：50~1：After 100 mixing swellings, heating stirring mixing obtains Arabic glue.
5. a kind of composite soil passivator according to claim 1, it is characterised in that：The carbomer is CARBOPOL 971,
Any one in CARBOPOL 974P or carbomer940.
6. a kind of composite soil passivator according to claim 1, it is characterised in that：The phosphatide be peanut phosphatide, milk
Any one in phosphatide or yolk phospholipid.
7. a kind of composite soil passivator according to claim 1, it is characterised in that：The preparation process of the protein liquid is：
By albumen powder and water in mass ratio 1：50~1：After 100 mixing swellings, heating stirring mixing obtains protein liquid；The albumen powder is
Any one in soyabean protein powder, casoid flour, PURE WHEY or Fed Protein Powder of Pea Insteal.
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| CN109836278A (en) * | 2019-03-14 | 2019-06-04 | 苏州鱼得水电气科技有限公司 | A kind of biologic compound fertilizer and its processing technology made of graphene oxide |
| CN110157450A (en) * | 2019-06-03 | 2019-08-23 | 苏州逸纪杰电子科技有限公司 | A kind of restoration of soil polluted by heavy metal conditioner and preparation method thereof |
| CN110683902A (en) * | 2019-11-22 | 2020-01-14 | 中国热带农业科学院分析测试中心 | Fertilizer suitable for artemisia selengensis and preparation method thereof |
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