CN108355644A - A kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst - Google Patents
A kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst Download PDFInfo
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- CN108355644A CN108355644A CN201711489870.XA CN201711489870A CN108355644A CN 108355644 A CN108355644 A CN 108355644A CN 201711489870 A CN201711489870 A CN 201711489870A CN 108355644 A CN108355644 A CN 108355644A
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- 239000002253 acid Substances 0.000 title claims abstract description 61
- 229910052787 antimony Inorganic materials 0.000 title claims abstract description 58
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 title claims abstract description 58
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000011248 coating agent Substances 0.000 title claims abstract description 41
- 238000000576 coating method Methods 0.000 title claims abstract description 41
- 239000002131 composite material Substances 0.000 title claims abstract description 35
- -1 titania modified carbon Chemical class 0.000 title claims abstract description 34
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005253 cladding Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 8
- 239000008103 glucose Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 230000035484 reaction time Effects 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 5
- 238000000227 grinding Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 4
- 150000001463 antimony compounds Chemical class 0.000 claims description 3
- DCKVFVYPWDKYDN-UHFFFAOYSA-L oxygen(2-);titanium(4+);sulfate Chemical compound [O-2].[Ti+4].[O-]S([O-])(=O)=O DCKVFVYPWDKYDN-UHFFFAOYSA-L 0.000 claims description 3
- HFDCVHDLKUZMDI-UHFFFAOYSA-N sulfuric acid titanium Chemical compound [Ti].OS(O)(=O)=O HFDCVHDLKUZMDI-UHFFFAOYSA-N 0.000 claims description 3
- 229910000348 titanium sulfate Inorganic materials 0.000 claims description 3
- 229910020350 Na2WO4 Inorganic materials 0.000 claims description 2
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 claims description 2
- 239000003643 water by type Substances 0.000 claims description 2
- 230000001699 photocatalysis Effects 0.000 abstract description 16
- 238000007146 photocatalysis Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000011160 research Methods 0.000 abstract description 7
- 230000015556 catabolic process Effects 0.000 abstract description 6
- 238000006731 degradation reaction Methods 0.000 abstract description 6
- 239000004408 titanium dioxide Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001027 hydrothermal synthesis Methods 0.000 abstract description 3
- 239000004065 semiconductor Substances 0.000 abstract description 3
- 239000003344 environmental pollutant Substances 0.000 abstract description 2
- 231100000719 pollutant Toxicity 0.000 abstract description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 239000002114 nanocomposite Substances 0.000 abstract 1
- 239000002105 nanoparticle Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 22
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 8
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical group [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 8
- 229940043267 rhodamine b Drugs 0.000 description 7
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 235000019441 ethanol Nutrition 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 241000219094 Vitaceae Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 235000016127 added sugars Nutrition 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000021021 grapes Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- HDUMBHAAKGUHAR-UHFFFAOYSA-J titanium(4+);disulfate Chemical class [Ti+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O HDUMBHAAKGUHAR-UHFFFAOYSA-J 0.000 description 1
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000000870 ultraviolet spectroscopy 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/30—Tungsten
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of preparation method of titania modified carbon coating wolframic acid antimony composite photo-catalyst and its applications in photocatalytic pollutant degradation, belong to material preparation and light-catalysed technical field.The characteristics of catalyst, has：Shape characteristic with 3 dimensions, the C claddings that 3 dimension structures are modified by titanium dioxide nano-particle are formed with wolframic acid antimony Nanocomposites.During preparing photochemical catalyst, using hydro-thermal method simple for process, synthesize titania modified carbon coating wolframic acid antimony composite photo-catalyst.Under the collective effect of carbon and titanium dioxide, titania modified carbon coating wolframic acid antimony composite photo-catalyst shows good photocatalysis performance, promotes the research of novel semi-conductor wolframic acid antimony photochemical catalyst.
Description
Technical field
The invention belongs to materials synthesis and photocatalysis technology field, relate generally to a kind of titania modified carbon coating wolframic acid
The preparation of the composite photo-catalyst of antimony and its photocatalytic activity research.
Background technology
With the propulsion of industrialization degree, the problem of environmental pollution, has received more and more attention.Traditional pollutant
Processing method can not meet the requirement of people.A kind of cleaning is searched out, efficiently, energy-saving and environment-friendly sewage water treatment method, at
The hot spot direction of people's research.
TiO was found for the first time from 19722Since photocatalytic activity, the research of photocatalysis technology is always investigation of materials
Hot spot direction.Photocatalysis technology by its energy conservation and environmental protection, non-secondary pollution the advantages that for sewage processing provide one it is non-
Often good solution route.Conductor photocatalysis material can utilize in inexhaustible, nexhaustible solar energy processing air or
Poisonous and harmful substance in person's water improves environment, achievees the purpose that utilization of resources ecology.Currently, a variety of different semiconductor lights
Photocatalyst material is widely studied, such as bismuth tungstate, wolframic acid caesium etc..But wolframic acid antimony is extensive by its material source, price is low
It is honest and clean, as one of the thermoelectric material of photocatalysis research the advantages that no biotoxicity.
But there is also some defects for wolframic acid antimony photochemical catalyst, for example, its quantum efficiency is relatively low, and high photoproduction
Electron-hole recombination rate, these all hinder its further development and application.In this background, how wolframic acid is improved
The photocatalysis efficiency of antimony and its photophase range is widened, at the research emphasis of wolframic acid antimony photochemical catalyst.Up to now, various sides
Method is already used to improve its quantum efficiency and extends its photophase range, such as:Pattern control, semiconductors coupling etc..On but
State the photocatalysis efficiency of the modified wolframic acid antimony of method, stability and Reusability in practical applications receive it is certain
Limitation.
In recent years, compound using other materials and the progress of wolframic acid antimony catalyst, the research for preparing composite photo-catalyst obtains
Certain progress, obtained wolframic acid antimony base composite photocatalyst show good photocatalysis under the irradiation of sunlight and live
Property.The present invention carries out compound, formation titanium dioxide with wolframic acid antimony using the high adsorptivity of carbon material and titanium dioxide optical catalyst
Modified carbon coating wolframic acid antimony composite photo-catalyst, is effectively improved the visible light utilization efficiency and photocatalytic activity of wolframic acid antimony.
Invention content
The purpose of the present invention is prepare the wolframic acid antimony base complex light with high visible light utilization efficiency and high catalytic activity
Catalyst, and its catalytic cycle stability is high, promotes the practical application of wolframic acid antimony.
Purpose adopts the following technical scheme that realize the present invention：
Using the water-disintegrable of glucose, by hydro-thermal reaction, upper carbon-coating is coated in the crystallization process of wolframic acid antimony, recycles sulfuric acid
Titania modified carbon coating wolframic acid antimony composite photo-catalyst is finally prepared in the hydrolysis of titanium.Carbon adsorptivity effect under and
Under the synergistic effect of titanium dioxide, the visible light catalysis activity of wolframic acid antimony is improved.
A kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst, characterization step are as follows：
（1）Appropriate SbCl is added3In above-mentioned solution, magnetic agitation is uniform；
（2）To step（2）Appropriate Na in solution2WO4﹒ 2H2O continues to stir evenly；
（3）To step（3）0.08g NaOH are added in solution, stir evenly；
（4）A certain amount of glucose is added into solution, stirs evenly；
（5）The solution being stirred is transferred in autoclave and is reacted；
（6）By the sample centrifuge washing that the reaction was complete, is ground after dry and obtain carbon coating wolframic acid antimony material；
（7）It takes appropriate cladding wolframic acid antimony powder end to be dissolved in 80mL water, stirs evenly；
（8）Moderate amount of sulfuric acid titanium is added into solution, is transferred in reaction kettle and reacts after stirring evenly；
（9）By the sample centrifuge washing that the reaction was complete, it is dry after grinding to obtain titania modified carbon coating wolframic acid antimony compound
Photochemical catalyst.
SbCl in step (1)3Quality be 0.228g.
Na in step (2)2WO4﹒ 2H2The quality of O is 0.165g.
Glucose quality is 0.4g in step (4).
Reaction temperature is 180 DEG C in step (5), reaction time 12h.
Titanium sulfate quality is 0.5g in step (8).
Temperature is 220 DEG C in step (9), reaction time 16h
Eccentric cleaning process in step (5) is first to be cleaned 4 times with ethyl alcohol, then clean 2 times with deionized water, centrifugation rate
8000rpm, time 6min.
A kind of titania modified carbon coating wolframic acid antimony composite photo-catalyst is used for organic pollution in aqueous solution
Visible light photocatalytic degradation.
Target contaminant is rhodamine B.
The invention has the advantages that：
1. prepared by the present invention is a kind of titania modified carbon coating wolframic acid antimony composite photo-catalyst, belong to new tri compound
System；
2. the titania modified carbon coating wolframic acid antimony composite photo-catalyst in the present invention has good photocatalytic activity, urge
Change activity has on the basis of wolframic acid antimony monomer to be obviously improved.During dark reaction, titania modified carbon coating tungsten
Sour antimony composite photo-catalyst shows high adsorptivity；It degrades under the irradiation of the artificial visible light sources of 180min rhdamine B,
Titania modified carbon coating wolframic acid antimony composite photo-catalyst shows high photocatalytic activity, and degradation rate reaches 89%, is higher than two
4 times of the catalytic activity of titanium oxide/wolframic acid antimony catalyst.
Description of the drawings
Fig. 1 is the scanning electron microscope (SEM) photograph of titania modified carbon coating wolframic acid antimony composite material.
Fig. 2 is the photocatalytic degradation figure of titania modified carbon coating wolframic acid antimony composite material.
Specific implementation mode
A kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst, characterization step are as follows：
（1）Appropriate SbCl is added3In above-mentioned solution, magnetic agitation is uniform；
（2）To step（2）Appropriate Na in solution2WO4﹒ 2H2O continues to stir evenly；
（3）To step（3）0.08g NaOH are added in solution, stir evenly；
（4）A certain amount of glucose is added into solution, stirs evenly；
（5）The solution being stirred is transferred in autoclave and is reacted；
（6）By the sample centrifuge washing that the reaction was complete, is ground after dry and obtain carbon coating wolframic acid antimony material；
（7）It takes appropriate cladding wolframic acid antimony powder end to be dissolved in 80mL water, stirs evenly；
（8）Moderate amount of sulfuric acid titanium is added into solution, is transferred in reaction kettle and reacts after stirring evenly；
（9）By the sample centrifuge washing that the reaction was complete, it is dry after grinding to obtain titania modified carbon coating wolframic acid antimony compound
Photochemical catalyst.
SbCl in step (1)3Quality be 0.228g.
Na in step (2)2WO4﹒ 2H2The quality of O is 0.165g.
Glucose quality is 0.4g in step (4).
Reaction temperature is 180 DEG C in step (5), reaction time 12h.
Titanium sulfate quality is 0.5g in step (8).
Temperature is 220 DEG C in step (9), reaction time 16h
Eccentric cleaning process in step (5) is first to be cleaned 4 times with ethyl alcohol, then clean 2 times with deionized water, centrifugation rate
8000rpm, time 6min.
A kind of titania modified carbon coating wolframic acid antimony composite photo-catalyst is used for organic pollution in aqueous solution
Visible light photocatalytic degradation.
Specific examples of the implementation prepares titania modified carbon coating wolframic acid antimony composite photo-catalyst below.
Case study on implementation 1
The preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst
50ml deionized waters are measured, 0.228g SbCl are weighed3In solution, stir evenly；It is subsequently added into 0.165g Na2WO4﹒
2H2O continues magnetic agitation；Sodium hydroxide 0.08g is weighed again, is added in above-mentioned solution, magnetic agitation；0.4g grapes are added
Sugar is in solution；Then solution is poured into reaction kettle, is heated, heating temperature is 180 DEG C, time 12h.After the completion of reaction,
Centrifuge washing is first cleaned 4 times with ethyl alcohol, is being washed with water 2 times, centrifugal speed 8000rpm, time 6min.In last baking oven
60 DEG C of dryings, grinding obtain carbon coating wolframic acid antimony material.
It weighs 1g carbon coating wolframic acid antimony materials to be dissolved in 80mL water, 0.5g titanium sulfates is added, stir evenly；It is into trip temperature
220 DEG C, the reaction time is the hydro-thermal reaction of 16h.After the completion of reaction, centrifuge washing is first cleaned 4 times with ethyl alcohol, is being washed with water 2
It is secondary, centrifugal speed 8000rpm, time 6min.60 DEG C of dryings in last baking oven, grinding obtain titania modified carbon packet
Cover wolframic acid antimony.
Case study on implementation 2
Titania modified carbon coating wolframic acid antimony composite photo-catalyst rhodamine B degradation under visible light illumination
Rhodamine B degradation is carried out by titania modified carbon coating wolframic acid antimony composite photo-catalyst made from 1 method of case study on implementation
Experiment.The concentration of rhodamine B solution is 1 × 10-5mol L-1；Composite material powder 50mg is taken, the above-mentioned rhodamine Bs of 100mL are placed in
It in solution, stirs 40 minutes in darkroom, is then placed in solution in the visible light source that ultraviolet light is filtered, take within every 10 minutes
5mL rhodamine B solutions measure the characteristic peaks of rhodamine B in solution with ultraviolet-visible spectrophotometer.
Titania modified carbon coating wolframic acid antimony composite photo-catalyst Visible Light Induced Photocatalytic rhodamine B is obtained by case study on implementation 2
Degradation curve, see Fig. 2.The composite material powder powder that as can be seen from Figure 2 prepared by case study on implementation 1 is urged after illumination 180min
Change degradation and reach 89% or more, not only shows high absorption property, but also show high catalytic activity.
Claims (7)
1. a kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst, feature include the following steps：
（1）It weighs a certain amount of glucose to be dissolved in 50mL deionized waters, stir evenly；
（2）Appropriate SbCl is added3In above-mentioned solution, magnetic agitation is uniform；
（3）To step（2）Appropriate Na in solution2WO4﹒ 2H2O continues to stir evenly；
（4）To step（3）0.08gNaOH is added in solution, stirs evenly；
（5）A certain amount of glucose is added into solution, stirs evenly；
（6）The solution being stirred is transferred in autoclave and is reacted；
（7）By the sample centrifuge washing that the reaction was complete, is ground after dry and obtain carbon coating wolframic acid antimony material；
（8）It takes appropriate cladding wolframic acid antimony powder end to be dissolved in 80mL water, stirs evenly；
（9）Moderate amount of sulfuric acid titanium is added into solution, is transferred in reaction kettle and reacts after stirring evenly；
（10）By the sample centrifuge washing that the reaction was complete, it is dry after grinding to obtain titania modified carbon coating wolframic acid antimony compound
Photochemical catalyst.
2. according to a kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst of claim 1, it is characterised in that
SbCl3Quality be 0.228g.
3. according to a kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst of claim 1, it is characterised in that
Na2WO4﹒ 2H2The quality of O is 0.165g.
4. according to a kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst of claim 1, it is characterised in that
The quality of glucose is 0.4g.
5. according to a kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst of claim 1, it is characterised in that
It is 180 DEG C to prepare carbon coating wolframic acid antimony material reaction temperature, reaction time 12h.
6. according to a kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst of claim 1, it is characterised in that
The quality of titanium sulfate is 0.5g.
7. according to a kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst of claim 1, it is characterised in that
Titania modified carbon coating wolframic acid antimony composite photo-catalyst hydrothermal temperature is 220 DEG C, reaction time 16h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711489870.XA CN108355644A (en) | 2017-12-29 | 2017-12-29 | A kind of preparation of titania modified carbon coating wolframic acid antimony composite photo-catalyst |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024088050A1 (en) * | 2023-05-19 | 2024-05-02 | 海南师范大学 | Preparation method for water-chestnut-shaped antimony tungstate composite material, and use thereof |
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- 2017-12-29 CN CN201711489870.XA patent/CN108355644A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024088050A1 (en) * | 2023-05-19 | 2024-05-02 | 海南师范大学 | Preparation method for water-chestnut-shaped antimony tungstate composite material, and use thereof |
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