CN106544038A - A kind of preparation method of environmentally friendly polymerization based high molecular heavy metal stabilizer - Google Patents
A kind of preparation method of environmentally friendly polymerization based high molecular heavy metal stabilizer Download PDFInfo
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- CN106544038A CN106544038A CN201610948359.0A CN201610948359A CN106544038A CN 106544038 A CN106544038 A CN 106544038A CN 201610948359 A CN201610948359 A CN 201610948359A CN 106544038 A CN106544038 A CN 106544038A
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- 229910001385 heavy metal Inorganic materials 0.000 title claims abstract description 71
- 239000003381 stabilizer Substances 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 24
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 229910021536 Zeolite Inorganic materials 0.000 claims abstract description 18
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010457 zeolite Substances 0.000 claims abstract description 18
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 14
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005119 centrifugation Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 238000004945 emulsification Methods 0.000 claims abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 239000003208 petroleum Substances 0.000 claims abstract description 7
- 239000000725 suspension Substances 0.000 claims abstract description 7
- LWZFANDGMFTDAV-BURFUSLBSA-N [(2r)-2-[(2r,3r,4s)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O LWZFANDGMFTDAV-BURFUSLBSA-N 0.000 claims abstract description 6
- 235000011067 sorbitan monolaureate Nutrition 0.000 claims abstract description 6
- 238000004132 cross linking Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000012188 paraffin wax Substances 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 31
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 14
- 230000006641 stabilisation Effects 0.000 abstract description 10
- 238000011105 stabilization Methods 0.000 abstract description 10
- 229910052793 cadmium Inorganic materials 0.000 abstract description 9
- 239000011133 lead Substances 0.000 abstract description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 8
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052804 chromium Inorganic materials 0.000 abstract description 8
- 239000011651 chromium Substances 0.000 abstract description 8
- 229910052802 copper Inorganic materials 0.000 abstract description 8
- 239000010949 copper Substances 0.000 abstract description 8
- 229910052725 zinc Inorganic materials 0.000 abstract description 8
- 239000011701 zinc Substances 0.000 abstract description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052759 nickel Inorganic materials 0.000 abstract description 7
- 230000005012 migration Effects 0.000 abstract description 5
- 238000013508 migration Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 30
- 238000000034 method Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005374 membrane filtration Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 238000002386 leaching Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- 235000012255 calcium oxide Nutrition 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002506 iron compounds Chemical class 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L5/00—Compositions of polysaccharides or of their derivatives not provided for in groups C08L1/00 or C08L3/00
- C08L5/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2305/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2301/00 or C08J2303/00
- C08J2305/08—Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Soil Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of preparation method of environmentally friendly polymerization based high molecular heavy metal stabilizer, including step：Take span20 to be added in atoleine, high-speed stirred emulsification obtains oil phase；Shitosan is taken, is added in acetic acid solution, stirred to being completely dissolved, obtain solution one；Zeolite grinding is sieved, is added in the solution one, after stirring and dissolving, is obtained water phase；The water is added in the oil phase, after stirring, glutaraldehyde solution is added, is crosslinked reaction in a water bath；After by the suspension centrifugation for obtaining, washed with petroleum ether and absolute ethyl alcohol successively, be dried in an oven.Heavy metal in the stabilizer energy stable soil of preparation, reduces its animal migration and bioavailability in the environment, and then improves present situation of the current China soil by heavy metal pollution.When the stabilizer of preparation applies into contaminated by heavy metals soil, stabilizer can the heavy metal element such as Simultaneous Stabilization zinc, copper, chromium, cadmium, nickel and lead, the stabilization efficiency of wherein zinc, nickel and cadmium can reach 30% or so, and the stabilization efficiency of lead, copper and chromium then can reach 60% or so.
Description
Technical field
The present invention relates to a kind of soil remediation Treatment process, more particularly to an a kind of environmentally friendly polymerization based high molecular huge sum of money
The preparation method of category stabilizer.
Background technology
Currently, China arable land is by heavy metal pollution situation very severe, have that contaminated area is big and pollution level height etc. just
The cultivated area of the heavy metal contaminations such as the situation in face, wherein Cd, As, Cr, Pb is nearly 20,000,000 hectares, and by these heavy metals
The cultivated area of element pollution has reached the 1/5 of total area under cultivation, and this is a very fearful problem；Wherein, because people
About 10,000,000 hectares of pollution cultivated area caused by the Industrial " three Waste " brought by the industrial production activities of class, in addition also because
The heavy metal pollution area caused for other modes has been over more than 330 ten thousand hectares, every year because of all kinds of huge sum of money symbolic animal of the birth year of soil
Quality up to 10,000,000 t of the underproduction of grain caused by pollution problem are closed, this is for the China as agricultural production big country
A undoubtedly greatest loss, while an and problem for needing process badly.
At present, the governance way of heavy metal contaminated soil mainly has two kinds by its mechanism：（1）Removal method：Using physics/
The method of chemistry removes the heavy metal in soil, so which retains concentration close to or up background value, mainly including electro reclamation
Technology, Soil leaching technology and vitrification etc..（2）Stabilizing method：Add stabilizer in soil, using institute's additive
Chemical characteristic change occurrence patterns of the heavy metal in soil, with reach make heavy metal passivation or inactivate purpose, so as to drop
Low its animal migration and bioavailability in the environment, although removal method can effectively remove the heavy metal in soil, but
High cost should not be promoted, and stabilized method not only reduces the validity of heavy metal, and simple to operate, and financial cost is low
It is easy to spread.
At present, common heavy metal stabilizer mainly includes phosphorus containg substances, lime alkaline matter, organic substance, metal
Oxide and biomass etc., and these stabilizers typically have specific aim to specific heavy metal, be only capable of achieving to single or
The effective of a few heavy metal stablizes, therefore, if wanting to realize stablizing for various heavy, generally individually adopt two kinds or two at present
Above medicament compound use is planted, the operation difficulty during stabilizer use is increased.In addition, calcareous material, iron compound, containing
Although sulfur material, phosphate and polyphosphate mineral-type medicament are preferable for the stablizing effect of certain heavy metal species, in soil
Existence in environment is not sufficiently stable, and during curing/stabilizing is carried out, mineral-type medicament is easily received environmental change and departed from
Soil is degraded by microorganisms, so that heavy metal is discharged in surface water or underground water again.
Chinese patent CN 104927871A are disclosed a kind of heavy metal stabilizer and are stabilized using the heavy metal stabilizer
The method of heavy metal-polluted soil.The heavy metal stabilizer each component mass percent is phosphate 50%～60%；Quick lime 20%～
30%；Zeolite powder 15%～20%；Potassium chloride 3%～5%.Although after the heavy metal stabilizer is applied on contaminated soil, heavy metal from
Sub- Steep cencentration is far below《Hazardous waste judging standard leaching characteristic identification》（GB5085.3-2007）Standard limited value, it is real
Ambient stable is showed.But the stabilizer only stablizes one or more in lead, zinc, copper and cadmium heavy metal element.And
Contain various inorganic matters in component, to the difficulty that operation is increased during use.
The content of the invention
It is an object of the invention to provide the heavy metal in a kind of energy stable soil, reduces its animal migration and life in the environment
The preparation method of the environmentally friendly polymerization based high molecular heavy metal stabilizer of thing utilizability.
The purpose of the present invention is achieved through the following technical solutions：
The preparation method of the environmentally friendly polymerization based high molecular heavy metal stabilizer of the present invention, it is characterised in that include
Step：
A, take span20 and be added in atoleine, high-speed stirred emulsification obtains oil phase.
B, shitosan is taken, be added in acetic acid solution, stir to being completely dissolved, obtain solution one.
C, by zeolite grinding sieve, be added in the solution one, after stirring and dissolving, obtain water phase.
D, the water is added in the oil phase, after stirring, adds glutaraldehyde solution, occur in a water bath to hand over
Connection reaction.
E, by the suspension centrifugation for obtaining after, washed with petroleum ether and absolute ethyl alcohol successively, be dried in an oven.
As seen from the above technical solution provided by the invention, environmentally friendly polymerization base provided in an embodiment of the present invention
The preparation method of high molecular heavy metals stabilizer, the heavy metal in the stabilizer energy stable soil of preparation, reduces which in the environment
Animal migration and bioavailability, and then improve the present situation of current China soil by heavy metal pollution.The stabilizer of preparation is applied
When adding in contaminated by heavy metals soil, stabilizer can the heavy metal element such as Simultaneous Stabilization zinc, copper, chromium, cadmium, nickel and lead, its
The stabilization efficiency of middle zinc, nickel and cadmium can reach 30% or so, and the stabilization efficiency of lead, copper and chromium then can reach 60% or so.
Description of the drawings
Fig. 1 is the scanning electron microscope (SEM) photograph of polymerization based high molecular heavy metal stabilizer in the embodiment of the present invention；
Fig. 2 is the infrared spectrogram of polymerization based high molecular heavy metal stabilizer in the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Inventive embodiment, the every other enforcement obtained under the premise of creative work is not made by those of ordinary skill in the art
Example, belongs to protection scope of the present invention.
The preparation method of the environmentally friendly polymerization based high molecular heavy metal stabilizer of the present invention, which is preferably embodied as
Mode is：
Including step：
A, take span20 and be added in atoleine, high-speed stirred emulsification obtains oil phase.
B, shitosan is taken, be added in acetic acid solution, stir to being completely dissolved, obtain solution one.
C, by zeolite grinding sieve, be added in the solution one, after stirring and dissolving, obtain water phase.
D, the water is added in the oil phase, after stirring, adds glutaraldehyde solution, occur in a water bath to hand over
Connection reaction.
E, by the suspension centrifugation for obtaining after, washed with petroleum ether and absolute ethyl alcohol successively, be dried in an oven.
In step a, concentration of the span20 in paraffin is 31.25g/l.
In step a, the mixing speed of high-speed stirred emulsification is 1500r/min.
In step b, concentration of the shitosan in acetic acid solution be 25g/l, the mass fraction of acetic acid in acetic acid solution
For 1%-5%.
In step c, the mesh number of sieve is 100 mesh, and the grain diameter of zeolite is less than 150 μm.
In step c, concentration of the zeolite in solution one is 25g/l.
In step d, water phase is 3 with the volume ratio of oil phase：8.
In step d, in glutaraldehyde solution, the mass fraction of glutaraldehyde is 25%, glutaraldehyde solution and water phase and oil phase
The volume ratio of mixed solution is 1：48.
In step d, the temperature of water-bath is 50 DEG C, and the time of cross-linking reaction is 10 hours.
In step e, the temperature of baking oven is 50 DEG C, and drying time is 48 hours.
The preparation method of the environmentally friendly polymerization based high molecular heavy metal stabilizer of the present invention, the stabilizer of preparation can be steady
Determine the heavy metal in soil, reduce its animal migration and bioavailability in the environment, and then improve current China soil receiving
The present situation of heavy metal pollution.When the stabilizer of preparation applies into contaminated by heavy metals soil, stabilizer can Simultaneous Stabilization zinc,
The stabilization efficiency of the heavy metal elements such as copper, chromium, cadmium, nickel and lead, wherein zinc, nickel and cadmium can reach 30% or so, and lead, copper and chromium
Stabilization efficiency then can reach 60% or so.
The embodiment of the present invention is described in further detail below in conjunction with accompanying drawing.
The general principle of the present invention：
The main functional group that shitosan contains is C2-NH2, C3-OH, C6-OH, and the nitrogen-atoms on C2-NH2 groups has
Lone pair electrons, can enter in the unoccupied orbital of metal ion, form coordinate bond and combine, therefore, shitosan has very to removing removing heavy metals
Good effect.But shitosan is in the case where pH value is relatively low, in molecule-NH2 can be protonated, become-NH3+ and make
Shitosan is dissolved in water, and then causes shitosan to be lost in a large number, while in acid condition, due to shitosan institute band positive charge with
Metal cation produces repulsion, and coordination ability weakens.Therefore need it is cross-linking modified to shitosan Jing rows, in cross-linking modified process
In, add zeolite to be because the tetrahedron that zeolite mainly be made up of tri- kinds of elements of Si, Al and O, silicon-oxy tetrahedron therein with
Silicon-oxy tetrahedron can construct the three dimensions rack-like of infinite expanding, therefore zeolite has stronger absorption and ion exchange energy
Power.The based high molecular heavy metal stabilizer that is polymerized can be obtained through cross-linking reaction, can be seen by the means analysis of physical/chemical
Go out, the product of cross-linking reaction is not only containing functional groups such as-NH2 ,-OH, and sample pore structure is flourishing, with certain physics
Adsorption capacity.
Advantages of the present invention：
(1). the polymerization based high molecular heavy metal stabilizer can the heavy metal such as Simultaneous Stabilization zinc, copper, chromium, cadmium, nickel and lead unit
Element.
(2). the features such as polymerization based high molecular heavy metal stabilizer possesses low aqueous solubility and low degradability, it is difficult by environment
Change and depart from soil or be degraded by microorganisms.
(3). this method is easy to operate, it is easy to promote.
Specific embodiment：
The instantiation for applying the polymerization based high molecular heavy metal stabilizer on the soil by heavy metal pollution is presented herein below.
Example 1
320ml atoleines are measured with graduated cylinder, are poured in 500ml three neck round bottom, be subsequently adding 10g Spans 20,
High-speed stirred emulsification obtains oil phase；Weigh 3.0g shitosans to be added in the acetic acid solution that 120ml mass fractions are 2%, stir to
It is completely dissolved, obtains solution one.Zeolite grinding is sieved, is weighed the zeolite that 3.0g was processed, is added in solution one, stir molten
Water phase is obtained after solution.By volume 3：8 are added to water in oil phase, after stirring, add 10ml mass fractions to be 25%
Glutaraldehyde solution, cross-linking reaction 10 hours in 50 DEG C of water-baths, by the suspension centrifugation for obtaining after, with petroleum ether and anhydrous second
Alcohol is washed successively, is dried 48 hours in 50 DEG C of baking ovens, obtains the based high molecular heavy metal stabilizer that is polymerized.The stabilizer is ground
100 mesh sieves are crossed, aforementioned stable agent 2g is weighed and is added in the contaminated soil of 98g, plus 100ml water, take out after placing one week
Dry in 50 DEG C of baking ovens, then ground 100 mesh sieve.Weigh above-mentioned sample 1g, plus the acetic acid that 20ml volume fractions are 0.57% is molten
Liquid, vibrates at normal temperatures（18±2）Then h, centrifugation, filtrate use inductance coupled plasma-atomic with 0.45 μm of membrane filtration
The concentration of emission spectrographic determination heavy metal.After before processing, the concentration of heavy metal in soil is shown in Table 1.
Example 2
320ml atoleines are measured with graduated cylinder, are poured in 500ml three neck round bottom, be subsequently adding 10g Spans 20,
High-speed stirred emulsification obtains oil phase；Weigh 3.0g shitosans to be added in the acetic acid solution that 120ml mass fractions are 4%, stir to
It is completely dissolved, obtains solution one.Zeolite grinding is sieved, is weighed the zeolite that 3.0g was processed, is added in solution one, stir molten
Water phase is obtained after solution.By volume 3：8 are added to water in oil phase, after stirring, add 10ml mass fractions to be 25%
Glutaraldehyde solution, cross-linking reaction 10 hours in 50 DEG C of water-baths, by the suspension centrifugation for obtaining after, with petroleum ether and anhydrous second
Alcohol is washed successively, is dried 48 hours in 50 DEG C of baking ovens, obtains the based high molecular heavy metal stabilizer that is polymerized.The stabilizer is ground
100 mesh sieves are crossed, aforementioned stable agent 4g is weighed and is added in the contaminated soil of 96g, plus 100ml water, take out after placing one week
Dry in 50 DEG C of baking ovens, then ground 100 mesh sieve.Weigh above-mentioned sample 1g, plus the acetic acid that 20ml volume fractions are 0.57% is molten
Liquid, vibrates at normal temperatures（18±2）Then h, centrifugation, filtrate use inductance coupled plasma-atomic with 0.45 μm of membrane filtration
The concentration of emission spectrographic determination heavy metal.After before processing, the concentration of heavy metal in soil is shown in Table 1.
Example 3
320ml atoleines are measured with graduated cylinder, are poured in 500ml three neck round bottom, be subsequently adding 10g Spans 20,
High-speed stirred emulsification obtains oil phase；Weigh 3.0g shitosans to be added in the acetic acid solution that 120ml mass fractions are 3%, stir to
It is completely dissolved, obtains solution one.Zeolite grinding is sieved, is weighed the zeolite that 3.0g was processed, is added in solution one, stir molten
Water phase is obtained after solution.By volume 3：8 are added to water in oil phase, after stirring, add 10ml mass fractions to be 25%
Glutaraldehyde solution, cross-linking reaction 10 hours in 50 DEG C of water-baths, by the suspension centrifugation for obtaining after, with petroleum ether and anhydrous second
Alcohol is washed successively, is dried 48 hours in 50 DEG C of baking ovens, obtains the based high molecular heavy metal stabilizer that is polymerized.The stabilizer is ground
100 mesh sieves are crossed, aforementioned stable agent 5g is weighed and is added in the contaminated soil of 95g, plus 100ml water, take out after placing one week
Dry in 50 DEG C of baking ovens, then ground 100 mesh sieve.Weigh above-mentioned sample 1g, plus the acetic acid that 20ml volume fractions are 0.57% is molten
Liquid, vibrates at normal temperatures（18±2）Then h, centrifugation, filtrate use inductance coupled plasma-atomic with 0.45 μm of membrane filtration
The concentration of emission spectrographic determination heavy metal.After before processing, the concentration of heavy metal in soil is shown in Table 1.
Table one：The concentration and clearance of heavy metal in soil after before processing
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, the change or replacement that can be readily occurred in,
Should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be defined.
Claims (10)
1. it is a kind of it is environmentally friendly polymerization based high molecular heavy metal stabilizer preparation method, it is characterised in that including step：
A, take span20 and be added in atoleine, high-speed stirred emulsification obtains oil phase；
B, shitosan is taken, be added in acetic acid solution, stir to being completely dissolved, obtain solution one；
C, by zeolite grinding sieve, be added in the solution one, after stirring and dissolving, obtain water phase；
D, the water is added in the oil phase, after stirring, adds glutaraldehyde solution, crosslinked in a water bath anti-
Should；
E, by the suspension centrifugation for obtaining after, washed with petroleum ether and absolute ethyl alcohol successively, be dried in an oven.
2. it is according to claim 1 it is environmentally friendly polymerization based high molecular heavy metal stabilizer preparation method, its feature
It is that, in step a, concentration of the span20 in paraffin is 31.25g/l.
3. it is according to claim 1 it is environmentally friendly polymerization based high molecular heavy metal stabilizer preparation method, its feature
It is that, in step a, the mixing speed of high-speed stirred emulsification is 1500r/min.
4. it is according to claim 1 it is environmentally friendly polymerization based high molecular heavy metal stabilizer preparation method, its feature
It is that, in step b, concentration of the shitosan in acetic acid solution is 25g/l, and in acetic acid solution, the mass fraction of acetic acid is
1%-5%.
5. it is according to claim 1 it is environmentally friendly polymerization based high molecular heavy metal stabilizer preparation method, its feature
It is that, in step c, the mesh number of sieve is 100 mesh, and the grain diameter of zeolite is less than 150 μm.
6. it is according to claim 1 it is environmentally friendly polymerization based high molecular heavy metal stabilizer preparation method, its feature
It is that, in step c, concentration of the zeolite in solution one is 25g/l.
7. it is according to claim 1 it is environmentally friendly polymerization based high molecular heavy metal stabilizer preparation method, its feature
It is that, in step d, water phase is 3 with the volume ratio of oil phase：8.
8. it is according to claim 1 it is environmentally friendly polymerization based high molecular heavy metal stabilizer preparation method, its feature
It is that, in step d, in glutaraldehyde solution, the mass fraction of glutaraldehyde is 25%, glutaraldehyde solution is mixed with water phase and oil phase
The volume ratio for closing solution is 1：48.
9. it is according to claim 1 it is environmentally friendly polymerization based high molecular heavy metal stabilizer preparation method, its feature
It is that in step d, the temperature of water-bath is 50 DEG C, and the time of cross-linking reaction is 10 hours.
10. it is according to claim 1 it is environmentally friendly polymerization based high molecular heavy metal stabilizer preparation method, its feature
It is that, in step e, the temperature of baking oven is 50 DEG C, and drying time is 48 hours.
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