CN106492774A - A kind of preparation method of glass-loaded nano-photo catalytic film - Google Patents
A kind of preparation method of glass-loaded nano-photo catalytic film Download PDFInfo
- Publication number
- CN106492774A CN106492774A CN201611096220.4A CN201611096220A CN106492774A CN 106492774 A CN106492774 A CN 106492774A CN 201611096220 A CN201611096220 A CN 201611096220A CN 106492774 A CN106492774 A CN 106492774A
- Authority
- CN
- China
- Prior art keywords
- glass
- titanium dioxide
- nano
- film
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 59
- 238000002360 preparation method Methods 0.000 title claims abstract description 29
- 230000003197 catalytic effect Effects 0.000 title claims abstract description 19
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 92
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 42
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 23
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000008367 deionised water Substances 0.000 claims abstract description 17
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 17
- 239000005357 flat glass Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 claims abstract description 6
- 238000005245 sintering Methods 0.000 claims abstract description 6
- 238000013329 compounding Methods 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims abstract description 5
- 229960005196 titanium dioxide Drugs 0.000 claims description 40
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 9
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 239000002253 acid Substances 0.000 claims description 6
- 238000004821 distillation Methods 0.000 claims description 6
- 239000003456 ion exchange resin Substances 0.000 claims description 6
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 239000007864 aqueous solution Substances 0.000 claims description 5
- 230000036571 hydration Effects 0.000 claims description 5
- 238000006703 hydration reaction Methods 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229910000349 titanium oxysulfate Inorganic materials 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 3
- 239000003729 cation exchange resin Substances 0.000 claims description 3
- 238000002425 crystallisation Methods 0.000 claims description 3
- 230000008025 crystallization Effects 0.000 claims description 3
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 235000006408 oxalic acid Nutrition 0.000 claims description 3
- 150000003608 titanium Chemical class 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims 1
- 239000003957 anion exchange resin Substances 0.000 claims 1
- 238000004508 fractional distillation Methods 0.000 claims 1
- 239000002105 nanoparticle Substances 0.000 claims 1
- 229910052719 titanium Inorganic materials 0.000 claims 1
- 239000010936 titanium Substances 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 abstract description 32
- 238000007146 photocatalysis Methods 0.000 abstract description 25
- 239000002351 wastewater Substances 0.000 abstract description 14
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 abstract description 8
- 239000002131 composite material Substances 0.000 abstract description 7
- 230000003670 easy-to-clean Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 2
- 230000015556 catabolic process Effects 0.000 description 11
- 238000006731 degradation reaction Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 5
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 5
- 229940012189 methyl orange Drugs 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000006555 catalytic reaction Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 4
- 238000002835 absorbance Methods 0.000 description 3
- 238000000280 densification Methods 0.000 description 3
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 241000790917 Dioxys <bee> Species 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000011020 pilot scale process Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- -1 25W halogen Chemical class 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000008131 herbal destillate Substances 0.000 description 1
- 239000000017 hydrogel Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/08—Silica
-
- 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
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
- B01J35/59—Membranes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
A kind of preparation method of glass-loaded nano-photo catalytic film, belongs to field of material preparation, it is characterised in that comprise the steps：（1）Nanometer Titanium Dioxide Hydrosol is mixed compounding with nano silica hydrosol, nanometre titanium dioxide/silicon dioxide mixes；（2）By the priority clean glass slide of dust technology, deionized water and washes of absolute alcohol, immerse the nanometre titanium dioxide/silicon dioxide mixing hydrosol respectively, then slowly lift out glass slide, light blue film is formed in glass surface；（3）The sheet glass of plated film is hung and is dried in an oven, directly carry out film next time, obtain coated glass piece；（4）Last sintering in high temperature furnace.Composite nano titanium dioxide/silicon dioxide photocatalysis membrana has broad prospect of application in low stain landscape waste water and refractory wastewater, building glass easy to clean and solar cell field.
Description
Technical field
A kind of the invention belongs to field of material preparation, more particularly to preparation method of glass-loaded nano-photo catalytic film.
Background technology
Nano titanium oxide includes two kinds of forms of nano-titanium dioxide powder and nano-titanium dioxide film, due to nanometer
Titanium dioxide powder haves the shortcomings that easy in inactivation, difficult recovery and difficult life, limits its application in water treatment field；Nanometer
Titanium dioxide film has the functions such as good photocatalysis, antireflective, light conversion, antibacterial, hardening, waterproof, antifriction and molecule isolation,
Increasingly extensive attention is subject in the industries such as water process, solaode, chemical building material and weaving.Nano titanium oxide light
The key of catalysis film preparation is to prepare the stable anatase-type nanometer titanium dioxide hydrosol, further doping vario-property, to improve
Its photocatalytic activity.The key of nanometer photocatalytic titania film popularization and application is exploitation anti-pollution, aging resistance and easily-activated
Nano titanium dioxide film.
Content of the invention
Present invention seek to address that the problems referred to above, there is provided a kind of preparation method of glass-loaded nano-photo catalytic film.
The technical scheme is that：
A kind of preparation method of glass-loaded nano-photo catalytic film, it is characterised in that comprise the steps：
（1）Nanometer Titanium Dioxide Hydrosol is mixed compounding, nano titanium oxide/titanium dioxide with nano silica hydrosol
Silicon mixes；
（2）By the priority clean glass slide of dust technology, deionized water and washes of absolute alcohol, nano-silica is immersed respectively
Change 0.5-1min in titanium/silicon dioxide mixing hydrosol, then slowly lift out glass slide, formed in glass surface light
Blue film；
（3）The sheet glass of plated film is hung over and dry in 100-150 DEG C of baking oven 1-3min, directly carried out film next time, obtain
Coated glass piece；
（4）Last sintering 0.5-2h in 500-600 DEG C of high temperature furnace.
The preparation method of glass-loaded nano-photo catalytic film of the present invention, the specification of the glass slide is：Wide
25.4mm, long 76mm.
The preparation method of glass-loaded nano-photo catalytic film of the present invention, the preparation of the Titanium Dioxide aqueous solution
Cheng Wei：By titanyl sulfate knot crystallization dissolving in deionized water, stirring and dissolving forms transparent titanium salt solution, add strong basicity cloudy from
Sub-exchange resin strong agitation, separates ion exchange resin with strainer filtering, and deionized water is cleaned ion exchange resin, obtained
White hydration tio_2 suspension；Oxalic acid, heated and stirred, hydration are added simultaneously to hydrated titanium dioxide suspension in stirring
Tio_2 suspension gradually becomes transparent nano titania hydrosol.
The preparation method of glass-loaded nano-photo catalytic film of the present invention, the preparation of the aqueous silica solution
Cheng Wei：Ethanol, deionized water, 25% strong aqua ammonia, tetraethyl orthosilicate are added in four mouthfuls of glass reactors of band stirring, in room
Be hydrolyzed under temperature reaction.Deionized water is added in teos hydrolysis liquid, proceeds to the distillation of the glass with thorn shape still
In tower, distillation separates ethanol water, removes remaining ammonium ion by strong acid cation exchange resin column, and acid is obtained
Property nano silica hydrosol.
The method have technical effect that：
The preparation method of glass-loaded nano-photo catalytic film of the present invention, directly can be made with cheap titanyl sulfate as raw material
The standby anatase-type nanometer titanium dioxide hydrosol, with mass mixings such as nano silica hydrosols, is coated in plate glass
On, sinter composite nano titanium dioxide/silicon dioxide photocatalysis membrana for obtaining, the smooth densification of film surface, with antipollution and
Characteristic easy to clean.Composite nano titanium dioxide/silicon dioxide photocatalysis membrana low stain landscape waste water and refractory wastewater,
Build glass easy to clean and solar cell field has broad prospect of application.
Specific embodiment
Embodiment 1
A kind of preparation method of glass-loaded nano-photo catalytic film, it is characterised in that comprise the steps：
（1）Nanometer Titanium Dioxide Hydrosol is mixed compounding, nano titanium oxide/titanium dioxide with nano silica hydrosol
Silicon mixes；
（2）By the priority clean glass slide of dust technology, deionized water and washes of absolute alcohol, nano-silica is immersed respectively
Change 0.5min in titanium/silicon dioxide mixing hydrosol, then slowly lift out glass slide, pale blue is formed in glass surface
Color film；
（3）The sheet glass of plated film is hung in 100 DEG C of baking ovens and dries 1min, directly carried out film next time, obtain film glass
Glass piece；
（4）Last sintering 0.5h in 500 DEG C of high temperature furnaces.
The preparation method of glass-loaded nano-photo catalytic film of the present invention, the specification of the glass slide is：Wide
25.4mm, long 76mm.
The preparation method of glass-loaded nano-photo catalytic film of the present invention, the preparation of the Titanium Dioxide aqueous solution
Cheng Wei：By titanyl sulfate knot crystallization dissolving in deionized water, stirring and dissolving forms transparent titanium salt solution, add strong basicity cloudy from
Sub-exchange resin strong agitation, separates ion exchange resin with strainer filtering, and deionized water is cleaned ion exchange resin, obtained
White hydration tio_2 suspension；Oxalic acid, heated and stirred, hydration are added simultaneously to hydrated titanium dioxide suspension in stirring
Tio_2 suspension gradually becomes transparent nano titania hydrosol.
The preparation method of glass-loaded nano-photo catalytic film of the present invention, the preparation of the aqueous silica solution
Cheng Wei：Ethanol, deionized water, 25% strong aqua ammonia, tetraethyl orthosilicate are added in four mouthfuls of glass reactors of band stirring, in room
Be hydrolyzed under temperature reaction.Deionized water is added in teos hydrolysis liquid, proceeds to the distillation of the glass with thorn shape still
In tower, distillation separates ethanol water, removes remaining ammonium ion by strong acid cation exchange resin column, and acid is obtained
Property nano silica hydrosol.
The sheet glass of plated film is placed in the glass culture dish for filling 10mg/L methyl orange solution 50mL, with 25W halogen
Tungsten lamp is light source analogy sunlight, sets intensity of illumination as per square metre of 1000W, under conditions of ambient temperature is for 25 DEG C
After being simulated the photocatalytic degradation 1-8h of waste water, with before and after spectrophotometric determination simulated wastewater photocatalytic degradation in 520nm
Under absorbance, the changing value according to absorbance calculates the degradation rate of methyl orange.
Coated glass print circular treatment methyl orange solution more than 3 times, after its catalysis activity declines 50%, by plated film glass
Glass print respectively with wind dry+water is rinsed, illumination dryings+water is rinsed, the flushing of diluted acid dipping+water, wet cloth scouring+water flushing etc. are several
After the mode of kind is processed, the photocatalytic degradation of methyl orange solution is re-started, in order to Simulation wind, Exposure to Sunlight, acid rain naturally again
Raw and artificial regeneration, investigates the regeneration effect of photocatalysis membrana.
Pure nano titanium dioxide film has good photocatalysis performance, and methyl orange degradation rate is 70%；Pure nanometer titanium dioxide
Silicon fiml photocatalysis performance is poor, and methyl orange degradation rate is only 15%；Nanometre titanium dioxide/silicon dioxide composite membrane presents more excellent
Photocatalysis performance, methyl orange degradation rate be 75%～85%.This is because nano titanium dioxide film smooth surface is fine and close, compare table
Area is little, and photocatalytic activity is low；And nanometre titanium dioxide/silicon dioxide composite film surface is coarse, specific surface area is big, photocatalysis
Activity is improved；With the increase of silica ratios in nanometre titanium dioxide/silicon dioxide composite membrane, surface becomes smooth again,
Specific surface area diminishes, and reduces photocatalytic activity, preferably m in nanometre titanium dioxide/silicon dioxide photocatalysis membrana（Titanium dioxide
Titanium）∶m（Silicon dioxide）For 1:1.
Nanometre titanium dioxide/silicon dioxide photocatalysis membrana thickness had both affected film layer light transmittance, also affected the light of film layer to urge
Change activity, film layer is too thin, and TiO 2 particles number is few, and sunlight is penetrated readily through, and the utilization rate of light is low, simulated wastewater degradation rate
Also low；Film layer is too thick, TiO 2 particles saturation, the film surface densification of film surface, and photocatalytic activity is
Reduce, sunlight can not be passed through, and particularly the ultraviolet light in sunlight is blocked, and simulated wastewater degradation rate is also low.For will
The photocatalysis membrana used under transparent condition is sought, preferably photocatalysis membrana thickness is 100-200nm, when using under the conditions of translucent,
It is preferred that photocatalysis membrana thickness is 200-400nm.
By continuous for the sheet glass for being coated with the nanometre titanium dioxide/silicon dioxide photocatalysis membrana that thickness is 200nm 5 immersions
In simulated wastewater, every time with 4 h of sunlight of halogen tungsten lamp simulation, investigate under different access times to methyl orange solution
The impact of degradation rate.
Nanometre titanium dioxide/silicon dioxide photocatalysis membrana activity declines with access times, continuous using living after 3 times or 12h
Property drop to first 85%, illustrate which is difficult to adsorb pollutant and with certain contamination resistance；But continuous using 5 times or
After 20h, activity decrease is to first 50%；As the prolongation of access times and time, the color on film surface are also deepened, there is first
The organic intermediate absorption of base orange or some difficult degradations makes the absorbing ability of photocatalyst film decline and catalysis work on film surface
Property reduce, preferably nanometre titanium dioxide/silicon dioxide photocatalysis membrana is continuously used 3 times or 12h.
Embodiment 2
Aqueous silica solution is same as Example 1 with the preparation process of Titanium Dioxide aqueous solution.
A kind of preparation method of glass-loaded nano-photo catalytic film, it is characterised in that comprise the steps：
（1）Nanometer Titanium Dioxide Hydrosol is mixed compounding, nano titanium oxide/titanium dioxide with nano silica hydrosol
Silicon mixes；
（2）By the priority clean glass slide of dust technology, deionized water and washes of absolute alcohol, nano-silica is immersed respectively
Change 1min in titanium/silicon dioxide mixing hydrosol, then slowly lift out glass slide, formed in glass surface light blue
Film；
（3）The sheet glass of plated film is hung in 150 DEG C of baking ovens and dries 3min, directly carried out film next time, obtain film glass
Glass piece；
（4）Last sintering 2h in 600 DEG C of high temperature furnaces.
The glass print of plated film is immersed in the ceramic whiteware disk for filling 10mg/L methyl orange simulated wastewaters, makes which be exposed to
Under the sunlight of noon summer direct projection, per square metre of intensity of illumination 1000W is set, and 28.6L simulated wastewater magnetic force is circulated
Pump is uniformly sprayed on coated glass surface, the absorbance of period sampling measuring simulated wastewater.
The degradation rate of simulated wastewater extends linear increase with light application time, is 84% in four hours degradation rates of solar irradiation, with
When lab scale is studied, 85% result of degradation rate is suitable.The photocatalysis membrana surface area that pilot scale is adopted for 0.1 square metre, when studying than lab scale
560 times of film expanded surface area, accordingly expand 560 times using simulated wastewater volume, it is seen that pilot scale expands
The photocatalytic activity of titanium oxide/silicon dioxide photocatalysis membrana.
Coated glass piece is dry through wind and water is rinsed, and photocatalytic activity recovers 94%, it is seen that nano titanium oxide/titanium dioxide
Silicon photocatalysis membrana itself is not destroyed, and is that the contaminated thing of its active site is temporarily covered, pollutant and catalysis activity after air-drying
The adhesion of point reduces, it is easy to be flush with water, and makes active most of recovery；And illumination is when drying, some and nano-silica
The pollutant for changing titanium/silicon dioxide photocatalysis membrana strong bonded can be extensive by activity after being flush with water by photocatalysis Decomposition
Multiple 96.5%；1% dilute sulfuric acid dipping can make to be firmly combined with active site in nanometre titanium dioxide/silicon dioxide photocatalysis fenestra
Pollutant can also come off, and after water is rinsed, activity can be recovered completely；Artificial wet cloth is cleaned and can not make nano titanium oxide/dioxy
Pollutant in SiClx photocatalysis fenestra are released, and after water is rinsed, activity can recover 98%.
The anatase-type nanometer titanium dioxide hydrosol can directly be prepared as raw material with cheap titanyl sulfate, with nanometer two
The mass mixings such as silica hydrogel, are coated on plate glass, and sintering obtains the composite Nano dioxy of thickness 200-400nm
Change titanium/silicon dioxide photocatalysis membrana, the smooth densification of film surface, with antipollution and characteristic easy to clean.
Claims (4)
1. a kind of preparation method of glass-loaded nano-photo catalytic film, it is characterised in that comprise the steps：
（1）Nanometer Titanium Dioxide Hydrosol is mixed compounding, nanometre titanium dioxide/silicon dioxide with nano silica hydrosol
Mixing；
（2）By the priority clean glass slide of dust technology, deionized water and washes of absolute alcohol, nano-silica is immersed respectively
Change 0.5-1min in titanium/silicon dioxide mixing hydrosol, then slowly lift out glass slide, pale blue is formed in glass surface
Color film；
（3）The sheet glass of plated film is hung over and dry in 100-150 DEG C of baking oven 1-3min, directly carried out film next time, obtain
Coated glass piece；
（4）Last sintering 0.5-2h in 500-600 DEG C of high temperature furnace.
2. the preparation method of glass-loaded nano-photo catalytic film according to claim 1, it is characterised in that：The glass is carried
The specification of slide is：Wide 25.4mm, long 76mm.
3. the preparation method of glass-loaded nano-photo catalytic film according to claim 1, it is characterised in that：The titanium dioxide
The preparation process of titanium aqueous solution is：By titanyl sulfate knot crystallization dissolving in deionized water, it is molten that stirring and dissolving forms transparent titanium salt
Liquid, adds strong-base anion-exchange resin strong agitation, separates ion exchange resin with strainer filtering, and deionized water is cleaned
Ion exchange resin, obtains white hydration tio_2 suspension；Added to hydrated titanium dioxide suspension in stirring simultaneously
Oxalic acid, heated and stirred, hydrated titanium dioxide suspension gradually become transparent nano titania hydrosol.
4. the preparation method of glass-loaded nano-photo catalytic film according to claim 1, it is characterised in that：The titanium dioxide
The preparation process of silicon aqueous solution is：Band stirring four mouthfuls of glass reactors in add ethanol, deionized water, 25% strong aqua ammonia,
Tetraethyl orthosilicate, be hydrolyzed reaction at room temperature；Deionized water is added in teos hydrolysis liquid, barbed shape point is proceeded to
In the glass distillation column of fractional distillation column, distillation separates ethanol water, remaining by strong acid cation exchange resin column removing
Ammonium ion, the acidic nano-sized silica hydrosol is obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611096220.4A CN106492774A (en) | 2016-12-02 | 2016-12-02 | A kind of preparation method of glass-loaded nano-photo catalytic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611096220.4A CN106492774A (en) | 2016-12-02 | 2016-12-02 | A kind of preparation method of glass-loaded nano-photo catalytic film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106492774A true CN106492774A (en) | 2017-03-15 |
Family
ID=58330266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611096220.4A Pending CN106492774A (en) | 2016-12-02 | 2016-12-02 | A kind of preparation method of glass-loaded nano-photo catalytic film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106492774A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955684A (en) * | 2017-04-05 | 2017-07-18 | 许允方 | A kind of preparation method of photocatalysis ceramic monolith |
| CN106964329A (en) * | 2017-04-05 | 2017-07-21 | 许允方 | A kind of photochemical catalytic oxidation titania solution |
| CN107180885A (en) * | 2017-06-21 | 2017-09-19 | 合肥嘉仕诚能源科技有限公司 | A kind of preparation method of dust protection solar cell |
| CN110047631A (en) * | 2019-04-28 | 2019-07-23 | 合肥达户电线电缆科技有限公司 | A kind of anti-vacuum flashover insulator of high pressure antifouling work and preparation method thereof |
| CN110655141A (en) * | 2019-09-20 | 2020-01-07 | 蚌埠学院 | Method for repairing water microecosystem by using CdS glass colored glaze |
| CN112156769A (en) * | 2020-09-16 | 2021-01-01 | 北京工业大学 | Al/WO3Sodium (A)Rice composite film and preparation method and application thereof |
-
2016
- 2016-12-02 CN CN201611096220.4A patent/CN106492774A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955684A (en) * | 2017-04-05 | 2017-07-18 | 许允方 | A kind of preparation method of photocatalysis ceramic monolith |
| CN106964329A (en) * | 2017-04-05 | 2017-07-21 | 许允方 | A kind of photochemical catalytic oxidation titania solution |
| CN107180885A (en) * | 2017-06-21 | 2017-09-19 | 合肥嘉仕诚能源科技有限公司 | A kind of preparation method of dust protection solar cell |
| CN110047631A (en) * | 2019-04-28 | 2019-07-23 | 合肥达户电线电缆科技有限公司 | A kind of anti-vacuum flashover insulator of high pressure antifouling work and preparation method thereof |
| CN110655141A (en) * | 2019-09-20 | 2020-01-07 | 蚌埠学院 | Method for repairing water microecosystem by using CdS glass colored glaze |
| CN112156769A (en) * | 2020-09-16 | 2021-01-01 | 北京工业大学 | Al/WO3Sodium (A)Rice composite film and preparation method and application thereof |
| CN112156769B (en) * | 2020-09-16 | 2023-08-29 | 北京工业大学 | Al/WO 3 Nano composite film, preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106492774A (en) | A kind of preparation method of glass-loaded nano-photo catalytic film | |
| CN103007967B (en) | BiOBr visible light catalytic thin film as well as preparation method and use thereof | |
| CN104128184A (en) | Floating type CoFe2O4/TiO2/floating bead composite photocatalyst and preparation method thereof | |
| CN101844077B (en) | Preparation method of carbon and nitrogen modified nano-titanium dioxide thin film with visible light activity | |
| CN104383915A (en) | Preparation method of supported photocatalyst Bi2WO6-TiO2/foam metal | |
| CN105195198B (en) | A kind of mpg-C3N4/Bi0.9Nd0.1VO4Composite photo-catalyst and its preparation method and application | |
| CN103611551B (en) | Preparation method of bismuth sulfide/bismuth molybdenum oxide heterojunction photocatalytic composite material | |
| CN103730259B (en) | A kind of nanocrystalline titanium dioxide film of two-specification pore structure and manufacturing method of nanocrystalline titanium dioxide film and preparation method thereof | |
| CN102674451A (en) | Preparation method of {001} face exposed titanium dioxide nanocrystals | |
| CN105363477A (en) | Method for preparing silver/cadmium sulfide/titanium dioxide composite photocatalytic material | |
| CN106475116B (en) | TiO2/Sb2S3Composite photocatalyst colloid preparation method | |
| CN106219604A (en) | A kind of preparation method preparing hierarchical porous structure titanium dioxide and photocatalytic applications thereof | |
| CN103272588A (en) | Recoverable float type Pt-TiO2/ floating bead photocatalyst and preparation method thereof | |
| CN105884205A (en) | Preparation method and application of glass-loaded nano TiO2-SiO2 membrane | |
| CN106268907B (en) | A kind of two dimension Conductive mica load carbonitride catalysis material and preparation method thereof | |
| CN104998629A (en) | SiO2-TiO2 composite nanomaterial of core-shell structure and preparation method and application thereof | |
| CN110624527A (en) | Preparation method of three-dimensional colored titanium dioxide photocatalytic material, product and application thereof | |
| CN101224417A (en) | Phosphorus doped with titania photocatalyst with high thermal stability and preparing method thereof | |
| CN103506104B (en) | Carbon-doped TiO2 visible light-responding catalytic film on glass carrier and preparation method thereof | |
| CN105772030A (en) | Preparation method of efficient composite photocatalytic material | |
| CN102408246B (en) | Preparation method of nitrogen-doped silicon-aluminum immobilized TiO2 porous ceramic | |
| CN107597101A (en) | Simple hydro-thermal method synthesis has visible light-responded photochemical catalyst Bi2WO6/SnO2The preparation method of nanometer sheet | |
| CN109794289B (en) | Handwheel type titanyl oxalate photocatalyst and preparation method thereof | |
| CN104445995B (en) | There is visible light-responded automatically cleaning Bi2ti2o7/ TiO2the preparation method of nano-wire array complex thin film | |
| CN103447033A (en) | Method for preparing mesoporous AgGaO2 photocatalytic material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170315 |