CN109395781A - A kind of tin-antiomony oxide hydrogel and its preparation method and application with class Fenton photocatalysis characteristic - Google Patents
A kind of tin-antiomony oxide hydrogel and its preparation method and application with class Fenton photocatalysis characteristic Download PDFInfo
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- 239000000017 hydrogel Substances 0.000 title claims abstract description 50
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 29
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000002002 slurry Substances 0.000 claims abstract description 27
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 20
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 20
- 229940068984 polyvinyl alcohol Drugs 0.000 claims abstract description 20
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims abstract description 20
- 239000002105 nanoparticle Substances 0.000 claims abstract description 18
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 6
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 4
- 239000001301 oxygen Substances 0.000 claims abstract description 4
- 238000001338 self-assembly Methods 0.000 claims abstract description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 3
- 229910052718 tin Inorganic materials 0.000 claims abstract description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 28
- 239000000243 solution Substances 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000003756 stirring Methods 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 10
- 238000007710 freezing Methods 0.000 claims description 8
- 230000008014 freezing Effects 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 8
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 239000002957 persistent organic pollutant Substances 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 229910001887 tin oxide Inorganic materials 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- 230000001476 alcoholic effect Effects 0.000 claims 1
- -1 polyethylene Polymers 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 229960000907 methylthioninium chloride Drugs 0.000 abstract description 6
- 230000015556 catabolic process Effects 0.000 abstract description 5
- 238000006731 degradation reaction Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000003911 water pollution Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 239000011259 mixed solution Substances 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005260 alpha ray Effects 0.000 description 1
- GVFOJDIFWSDNOY-UHFFFAOYSA-N antimony tin Chemical compound [Sn].[Sb] GVFOJDIFWSDNOY-UHFFFAOYSA-N 0.000 description 1
- XXLJGBGJDROPKW-UHFFFAOYSA-N antimony;oxotin Chemical compound [Sb].[Sn]=O XXLJGBGJDROPKW-UHFFFAOYSA-N 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002447 crystallographic data Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910000161 silver phosphate Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/722—Oxidation by peroxides
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
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Abstract
The invention discloses a kind of tin-antiomony oxide hydrogel and its preparation method and application with class Fenton photocatalysis characteristic, the tin-antiomony oxide hydrogel is mainly formed by slurry by tin-antiomony oxide nano particle, it is mixed with poly-vinyl alcohol solution, then self assembly is to get the tin-antiomony oxide hydrogel as composed by tin, antimony, oxygen and carbon.Sufficient raw of the present invention, production cost is low, material preparation process is simple, easy to operate, yield is high, repeated strong；Hydrogel shape is controllable, stability is high, can be recycled, and gained tin-antiomony oxide hydrogel has class Fenton photocatalysis property, can degradation of methylene blue in the presence of hydrogen peroxide under the irradiation of ultraviolet light, in the application that water pollution process field has great potential.
Description
Technical field
The present invention relates to a kind of tin-antiomony oxide hydrogel and its preparation method and application with class Fenton photocatalysis characteristic,
Belong to the synthesis technical field of nanoanalysis material.
Background technique
Since 21st century, human society is increasingly developed, we are also faced with while human civilization progress
Various threats of the survival and development.Energy crisis and problem of environmental pollution are exactly that two hang-ups to stand in the breach and people are existing
In urgent problem, therefore numerous researchers are also dedicated to probing into novel effective energy and research control pollution
Effective treating method.Heterogeneous Photocatalysis of Semiconductors is exactly that under the effect of the catalyst, the solar energy of absorption can be converted
It for chemical energy, go on smoothly some reactions that could occur at high temperature also can under mild conditions.Therefore semiconductor
Photocatalysis technology is with a wide range of applications, and numerous researchers have also carried out largely conductor photocatalysis material
Research, such as TiO2、WO3、CdS、Ag3PO4, BiOX (X=Cl, Br and I) etc..But most semiconductor catalyst all exists
The difficult problem of recycling.
Summary of the invention
Goal of the invention: the inherent shortcoming in order to overcome Conventional nano photochemical catalyst, the present invention provide a kind of with class Fenton
Tin-antiomony oxide hydrogel of photocatalysis characteristic and preparation method thereof and catalytic applications, which can be in ultraviolet lighting
In the case where be catalyzed hydrogen peroxide mineralising organic pollutant, and preparation method is simple, raw material economics, and recycle it is convenient.
Technical solution: to achieve the goals above, the invention adopts the following technical scheme:
A kind of tin-antiomony oxide hydrogel with class Fenton photocatalysis characteristic, mainly by tin-antiomony oxide nano particle institute
The slurry of formation, mixes with poly-vinyl alcohol solution, and then self assembly is to get the oxygen as composed by tin, antimony, oxygen and carbon
Change tin antimony hydrogel.
The tin-antiomony oxide nano particle is formed by slurry, is by adding into tin-antiomony oxide nano particle aqueous solution
Triethylamine, stirring, is formed by tin-antiomony oxide nanometer slurry.
The preparation method of the tin-antiomony oxide hydrogel, comprising the following steps:
(1) it takes tin-antiomony oxide nano particle to be added to the water, then adds triethylamine, stirring forms tin-antiomony oxide nano slurry
Body；
(2) it takes pva powder to be added to the water, is heated to being completely dissolved, form poly-vinyl alcohol solution；
(3) above-mentioned tin-antiomony oxide nanometer slurry and poly-vinyl alcohol solution are taken, is mixed well；
(4) it freezes, thaws, recycle for several times to get stable tin-antiomony oxide hydrogel.
It is preferred that:
The quality amount ratio of triethylamine and tin-antiomony oxide nano particle is 1:(11-15 in step (1)), tin-antiomony oxide nanometer
It is 14-16% that the concentration of tin-antiomony oxide, which is mass fraction, in slurry, and stirring is using the stirring that is vortexed.
The concentration of poly-vinyl alcohol solution is 90-110g/L in step (2), and heating temperature is 93-97 degree.
The volumetric usage ratio 2:(1-4 of tin-antiomony oxide nanometer slurry and poly-vinyl alcohol solution in step (3)).
Freezing in step (4), thaws, recycles method for several times are as follows: -20 degree freezings 12 hours then take out thaw at RT 2
Hour, it recycles 3 times.
The tin-antiomony oxide hydrogel can be used as class Fenton photocatalyst applications, such as the tin-antiomony oxide hydrogel
Hydrogen peroxide mineralising organic pollutant can be catalyzed under ultraviolet irradiation condition.
Hydrogel is the material inside one kind with hydrophilic radical, it can water-swellable, but it is not soluble in water.And
It belongs to high molecular material and it is internal in three-dimensional structure.It can absorb water formation stereochemical structure after meeting water and will not
It is destroyed.
The utility model has the advantages that compared with the existing technology, the invention has the following advantages that
(1) the tin-antiomony oxide hydrogel of the present invention with class Fenton photocatalysis characteristic is using self-assembly method legal system
Standby, used material preparation process is simple, yield is high and reproducible.
(2) the tin-antiomony oxide hydrogel of the present invention with class Fenton photocatalysis characteristic is compared to traditional tin oxide
Antimony nano particle has recycling convenient, reuses stable feature.
Detailed description of the invention
Fig. 1 is the powder single crystal diffraction figure of the tin-antiomony oxide hydrogel in embodiment 1-4 with class Fenton photocatalysis characteristic；
Fig. 2 is the shape appearance figure of the tin-antiomony oxide hydrogel in embodiment 1 with class Fenton photocatalysis characteristic；
Fig. 3 is the photocatalysis schematic diagram of the tin-antiomony oxide hydrogel in embodiment 1 with class Fenton photocatalysis characteristic；
Fig. 4 is the catalytic performance test figure of the tin-antiomony oxide hydrogel in embodiment 1 with class Fenton photocatalysis characteristic；
Fig. 5 is the photocatalysis loop test figure of the tin-antiomony oxide hydrogel in embodiment 1 with class Fenton photocatalysis characteristic；
Specific embodiment
Below in conjunction with the drawings and specific embodiments, further explanation is made to the present invention.
Embodiment 1
It weighs in the tin-antiomony oxide nano particle and 10ml centrifuge tube of 35% Sb doped amount of 0.525g, adds water to 3.5ml,
56 μ l triethylamines are added, the stirring that is vortexed forms tin-antiomony oxide nanometer slurry.It weighs a certain amount of pva powder and 250ml is added
In water, 95 degree of oil bath heatings are configured to the poly-vinyl alcohol solution of 100g/L to being completely dissolved；It is molten to weigh configured polyvinyl alcohol
Liquid 3.5ml is added in 35% tin-antiomony oxide slurry of 3.5ml, vortex mixed, ultrasound to no bubble.It is bladdery by not having uniformly
Mixed solution is added in the cuvette that square side length in bottom surface is 1cm height 4cm.Cuvette is placed in -20 degree freezing in refrigerator
12 hours, then take out thaw at RT 2 hours.Circulation 3 times, forms stable tin-antiomony oxide hydrogel.It is put into upper layer refrigerator guarantor
It deposits.
Embodiment 2
It weighs in the tin-antiomony oxide nano particle and 10ml centrifuge tube of 25% Sb doped amount of 0.525g, adds water to 3.5ml,
56 μ l triethylamines are added, the stirring that is vortexed forms tin-antiomony oxide nanometer slurry.A certain amount of pva powder is weighed to be added
In 250ml water, 95 degree of oil bath heatings are configured to the poly-vinyl alcohol solution of 100g/L to being completely dissolved；Weigh configured poly- second
Enolate solution 3.5ml is added in 25% tin-antiomony oxide slurry of 3.5ml, vortex mixed, ultrasound to no bubble.To not have uniformly
The mixed solution of bubble is added in the cuvette that square side length in bottom surface is 1cm height 4cm.Cuvette is placed in -20 in refrigerator
Degree freezing 12 hours, then takes out thaw at RT 2 hours.Circulation 3 times, forms stable tin-antiomony oxide hydrogel.It is put into upper layer
Refrigerator saves.
Embodiment 3
It weighs in the tin-antiomony oxide nano particle and 10ml centrifuge tube of 15% Sb doped amount of 0.525g, adds water to 3.5ml,
56 μ l triethylamines are added, the stirring that is vortexed forms tin-antiomony oxide nanometer slurry.A certain amount of pva powder is weighed to be added
In 250ml water, 95 degree of oil bath heatings are configured to the poly-vinyl alcohol solution of 100g/L to being completely dissolved；Weigh configured poly- second
Enolate solution 3.5ml is added in 15% tin-antiomony oxide slurry of 3.5ml, vortex mixed, ultrasound to no bubble.To not have uniformly
The mixed solution of bubble is added in the cuvette that square side length in bottom surface is 1cm height 4cm.Cuvette is placed in -20 in refrigerator
Degree freezing 12 hours, then takes out thaw at RT 2 hours.Circulation 3 times, forms stable tin-antiomony oxide hydrogel.It is put into upper layer
Refrigerator saves.
Embodiment 4
It weighs in the tin-antiomony oxide nano particle and 10ml centrifuge tube of 5% Sb doped amount of 0.525g, adds water to 3.5ml, then
56 μ l triethylamines are added, the stirring that is vortexed forms tin-antiomony oxide nanometer slurry.It weighs a certain amount of pva powder and 250ml is added
In water, 95 degree of oil bath heatings are configured to the poly-vinyl alcohol solution of 100g/L to being completely dissolved；It is molten to weigh configured polyvinyl alcohol
Liquid 3.5ml is added in 5% tin-antiomony oxide slurry of 3.5ml, vortex mixed, ultrasound to no bubble.To not have uniformly bladdery mixed
Solution is closed to be added in the cuvette that square side length in bottom surface is 1cm height 4cm.Cuvette is placed in -20 degree freezing 12 in refrigerator
Hour, then take out thaw at RT 2 hours.Circulation 3 times, forms stable tin-antiomony oxide hydrogel.It is put into the preservation of upper layer refrigerator.
Embodiment 5
It is same as Example 1, it the difference is that only as follows:
The quality amount ratio of triethylamine and tin-antiomony oxide nano particle is 1:11, tin-antiomony oxide nanometer slurry in step (1)
The concentration of middle tin-antiomony oxide is that mass fraction is 14%.
The concentration of poly-vinyl alcohol solution is 90g/L in step (2), and heating temperature is 93 degree.
The volumetric usage of tin-antiomony oxide nanometer slurry and poly-vinyl alcohol solution ratio 2:1 in step (3).
Embodiment 6
It is same as Example 1, it the difference is that only as follows:
The quality amount ratio of triethylamine and tin-antiomony oxide nano particle is 1:15, tin-antiomony oxide nanometer slurry in step (1)
The concentration of middle tin-antiomony oxide is that mass fraction is 16%.
The concentration of poly-vinyl alcohol solution is 110g/L in step (2), and heating temperature is 97 degree.
The volumetric usage of tin-antiomony oxide nanometer slurry and poly-vinyl alcohol solution ratio 1:2 in step (3).
Powder diffraction characterization is carried out to hydrogel in embodiment 1-4.Powder diffraction data collection is in Japanese Shimadzu
It is completed on XRD6000 diffractometer, tube voltage 40Kv, tube current 30mA, uses graphite monochromatised Cu K alpha ray.Data collection
Using the θ scan pattern of θ/2, continuous scanning is completed within the scope of 20 ° to 80 °, and scanning speed is 2 °/min.Powder diffraction result is shown in
Fig. 1.Fig. 1 is the tin-antiomony oxide hydrogel XRD spectrum figure about different Sb dopings (5%, 15%, 25%, 35%).It is all not
Tin-antiomony oxide hydrogel spectrum with Sb doping all shows identical SnO2(P42/mnm,JCPDS File Card
No.41-1445) the characteristic peak of single-phase cubic rutile structure.In addition, there is no other related with Sb other than these characteristic peaks
Additional peak, this show mix Sb element be successfully doped to SnO2There is no to SnO before after lattice2Structure cause obviously
Variation.
Fig. 2 be embodiment 1 in class Fenton photocatalysis characteristic tin-antiomony oxide hydrogel pictorial diagram, from figure we
It can be seen that it is the cuboid of 1cm that the prepared hydrogel come out, which is the ground side length of rule,.
Fig. 3 is that tin-antiomony oxide in embodiment 1 with class Fenton photocatalysis characteristic receives the photocatalysis schematic diagram of hydrogel.It will
Hydrogel is cut into small pieces, and is placed in the methylene blue solution of 100ml 40mg/l, and 500 μ l hydrogen peroxide, ultraviolet light is added
Carry out the class Fenton photocatalytic degradation to methylene blue solution.
Fig. 4 is the tin-antiomony oxide hydrogel catalytic degradation schematic diagram in embodiment 1 with class Fenton photocatalysis characteristic.From figure
We can obviously observe in 4, and under the action of hydrogen peroxide and ultraviolet lighting is added, tin-antiomony oxide hydrogel is to methylene blue
Solution produces apparent degradation, and ultra-violet absorption spectrum corresponding to the degradation with methylene blue solution is in top 664nm
Place, which can obviously be observed from the 3.6 of 0min, is reduced to the 0 of 70min.This shows the tin-antiomony oxide water-setting synthesized in embodiment 1
Glue has good class Fenton photocatalysis property.
Fig. 5 is the tin-antiomony oxide hydrogel photocatalysis loop test figure in embodiment 1 with class Fenton photocatalysis characteristic.Phase
With under condition and time, after having carried out 6 circulation class Fenton photocatalytic degradation methylene blues of monolithic hydrogel, methylene
Blue degradation rate still can achieve 96%, illustrate the tin oxide with class Fenton photocatalysis characteristic synthesized in embodiment 1
Antimony hydrogel has recycling conveniently, the stable characteristic of performance.
Claims (9)
1. a kind of tin-antiomony oxide hydrogel with class Fenton photocatalysis characteristic, which is characterized in that it is mainly by tin-antiomony oxide
Nano particle is formed by slurry, mixes with poly-vinyl alcohol solution, and then self assembly is to get by tin, antimony, oxygen and carbon institute group
At the tin-antiomony oxide hydrogel.
2. the tin-antiomony oxide hydrogel according to claim 1 with class Fenton photocatalysis characteristic, which is characterized in that described
Tin-antiomony oxide nano particle is formed by slurry, is stirred by adding triethylamine into tin-antiomony oxide nano particle aqueous solution,
It is formed by tin-antiomony oxide nanometer slurry.
3. the preparation method of tin-antiomony oxide hydrogel of any of claims 1 or 2, which comprises the following steps:
(1) it takes tin-antiomony oxide nano particle to be added to the water, then adds triethylamine, stirring forms tin-antiomony oxide nanometer slurry；
(2) it takes pva powder to be added to the water, is heated to being completely dissolved, form poly-vinyl alcohol solution；
(3) above-mentioned tin-antiomony oxide nanometer slurry and poly-vinyl alcohol solution are taken, is mixed well；
(4) it freezes, thaws, recycle for several times to get stable tin-antiomony oxide hydrogel.
4. the preparation method of tin-antiomony oxide hydrogel according to claim 3, which is characterized in that triethylamine in step (1)
Quality amount ratio with tin-antiomony oxide nano particle is 1:(11-15), and the concentration of tin-antiomony oxide is in tin-antiomony oxide nanometer slurry
Mass fraction is 14-16%, and stirring is using the stirring that is vortexed.
5. the preparation method of tin-antiomony oxide hydrogel according to claim 3, which is characterized in that polyethylene in step (2)
The concentration of alcoholic solution is 90-110g/L, and heating temperature is 93-97 degree.
6. the preparation method of tin-antiomony oxide hydrogel according to claim 3, which is characterized in that tin oxide in step (3)
The volumetric usage ratio 2:(1-4 of antimony nanometer slurry and poly-vinyl alcohol solution).
7. the preparation method of tin-antiomony oxide hydrogel according to claim 3, which is characterized in that freezing in step (4), solution
Freeze, recycle method for several times are as follows: -20 degree freezings 12 hours then take out thaw at RT 2 hours, recycle 3 times.
8. application of the tin-antiomony oxide hydrogel of any of claims 1 or 2 as class Fenton photochemical catalyst.
9. application according to claim 8, which is characterized in that the tin-antiomony oxide hydrogel is urged under ultraviolet irradiation condition
Change the application of hydrogen peroxide mineralising organic pollutant.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811377040.2A CN109395781B (en) | 2018-11-19 | 2018-11-19 | Tin antimony oxide hydrogel with Fenton-like photocatalytic characteristic and preparation method and application thereof |
Applications Claiming Priority (1)
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