CN106238038A - The preparation of a kind of neodymium-doped tungstic acid bismuth photocatalyst and application thereof - Google Patents
The preparation of a kind of neodymium-doped tungstic acid bismuth photocatalyst and application thereof Download PDFInfo
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- CN106238038A CN106238038A CN201610646256.9A CN201610646256A CN106238038A CN 106238038 A CN106238038 A CN 106238038A CN 201610646256 A CN201610646256 A CN 201610646256A CN 106238038 A CN106238038 A CN 106238038A
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- neodymium
- tungstic acid
- acid bismuth
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- 229910052797 bismuth Inorganic materials 0.000 title claims abstract description 40
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 title claims abstract description 40
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical compound O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 title claims abstract description 35
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- PLDDOISOJJCEMH-UHFFFAOYSA-N neodymium oxide Inorganic materials [O-2].[O-2].[O-2].[Nd+3].[Nd+3] PLDDOISOJJCEMH-UHFFFAOYSA-N 0.000 claims abstract description 14
- PPNKDDZCLDMRHS-UHFFFAOYSA-N dinitrooxybismuthanyl nitrate Chemical compound [Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PPNKDDZCLDMRHS-UHFFFAOYSA-N 0.000 claims abstract description 12
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 claims abstract description 8
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 241000276425 Xiphophorus maculatus Species 0.000 claims abstract description 6
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 6
- 239000010432 diamond Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims abstract description 6
- 239000011734 sodium Substances 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical class O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000003760 magnetic stirring Methods 0.000 claims abstract description 4
- 239000010865 sewage Substances 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 4
- 239000000725 suspension Substances 0.000 claims abstract description 4
- 230000003115 biocidal effect Effects 0.000 claims abstract description 3
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 239000003960 organic solvent Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 239000002270 dispersing agent Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 239000003054 catalyst Substances 0.000 claims 2
- XWNOTOKFKBDMAP-UHFFFAOYSA-N [Bi].[N+](=O)(O)[O-] Chemical compound [Bi].[N+](=O)(O)[O-] XWNOTOKFKBDMAP-UHFFFAOYSA-N 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000001699 photocatalysis Effects 0.000 abstract description 2
- RNQBLUNNAYFBIW-NPULLEENSA-M hexadecyl(trimethyl)azanium (2S)-2-(6-methoxynaphthalen-2-yl)propanoate Chemical compound COc1ccc2cc(ccc2c1)[C@H](C)C([O-])=O.CCCCCCCCCCCCCCCC[N+](C)(C)C RNQBLUNNAYFBIW-NPULLEENSA-M 0.000 description 9
- KVYRCBOUKXJXDK-UHFFFAOYSA-N 3,4-dimethylphenazine-1,2-diamine hydrochloride Chemical compound Cl.C1=CC=CC2=NC3=C(C)C(C)=C(N)C(N)=C3N=C21 KVYRCBOUKXJXDK-UHFFFAOYSA-N 0.000 description 8
- XHCCWBJFZUXJBV-UHFFFAOYSA-K trisodium 2-[(2-oxido-5-sulfophenyl)diazenyl]-3,6-disulfonaphthalene-1,8-diolate Chemical compound C1=CC(=C(C=C1S(=O)(=O)O)N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)O)S(=O)(=O)O)[O-])[O-])[O-].[Na+].[Na+].[Na+] XHCCWBJFZUXJBV-UHFFFAOYSA-K 0.000 description 6
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 description 4
- 238000002835 absorbance Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000036962 time dependent Effects 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- 241001062009 Indigofera Species 0.000 description 1
- 241000233855 Orchidaceae Species 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 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
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002351 wastewater Substances 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
- B01J23/31—Chromium, molybdenum or tungsten combined with bismuth
-
- 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
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
-
- 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
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The invention discloses preparation and the application thereof of a kind of neodymium-doped tungstic acid bismuth photocatalyst, preparation is that 10:20:0.1～0.08 weighs Na respectively in molar ratio2WO4·2H2O、Bi(NO3)3·5H2O、Nd2O3, it is dissolved as sodium tungstate salpeter solution, bismuth nitrate salpeter solution and Dineodymium trioxide salpeter solution respectively with 2 8ml concentrated nitric acids；Under magnetic stirring, respectively sodium tungstate salpeter solution, Dineodymium trioxide salpeter solution are added dropwise in bismuth nitrate solution obtaining white suspension solution, aaerosol solution is continued stirring 30 minutes；By aaerosol solution be incorporated with in teflon-lined reactor, under 453K after isothermal reaction 6h, be then peeled off, wash, be dried to obtain faint yellow diamond platy structure neodymium-doped tungstic acid bismuth photocatalyst.The neodymium-doped tungstic acid bismuth photocatalyst of preparation can be applicable to sewage disposal, air cleaning or antibiosis.Preparation technology of the present invention is simple, with low cost, operation safety and photocatalytic activity advantages of higher, has good prospects for commercial application.
Description
Technical field
The invention belongs to photocatalyst field, be specifically related to preparation and the application thereof of a kind of neodymium-doped tungstic acid bismuth photocatalyst.
Background technology
Owing to the valence band of bismuth tungstate is suitable for, easily by excited by visible light, can be with degradable organic pollutant, reaction condition temperature
With, degraded thoroughly, clean environment firendly, it has also become one of hot technology in pollution control field, but the electron-hole pair of bismuth tungstate is easy
Compound, thus its light is absorbed indifferent, inefficient.The problem low to absorptivity in order to improve bismuth tungstate, more has
Utilizing to effect regenerative resource sunlight to carry out environmental pollution improvement, research doping bismuth tungstate photocatalyst material has become current
Study hotspot and development trend.
Summary of the invention
The present invention provides preparation and the application thereof of a kind of neodymium-doped tungstic acid bismuth photocatalyst, is not using any template and shape
Under conditions of looks agent, synthesize faint yellow diamond platy structure neodymium-doped tungstic acid bismuth photocatalyst by hydrothermal technique, soilless sticking phenomenon,
There is high-specific surface area and photocatalysis performance.
The preparation method of the present invention a kind of neodymium-doped tungstic acid bismuth photocatalyst, comprises the steps:
(1) 10:20:0.1～0.08 weighs Na respectively in molar ratio2WO4·2H2O、Bi(NO3)3·5H2O、 Nd2O3；
(2) Na that will weigh respectively with 2～8ml concentrated nitric acids2WO4·2H2O、Bi(NO3)3·5H2O、Nd2O3It is dissolved as sodium tungstate
Salpeter solution, bismuth nitrate salpeter solution and Dineodymium trioxide salpeter solution；
(3) under magnetic stirring, respectively sodium tungstate salpeter solution, Dineodymium trioxide salpeter solution are added dropwise in bismuth nitrate solution
White suspension solution, continues stirring 30 minutes by aaerosol solution；
(4) aaerosol solution is incorporated with in teflon-lined reactor, under 453K after isothermal reaction 6h, then divides
From, wash, be dried to obtain faint yellow diamond platy structure neodymium-doped tungstic acid bismuth photocatalyst.
The neodymium-doped tungstic acid bismuth photocatalyst of preparation can be applicable to sewage disposal, air cleaning or antibiosis.
Application neodymium-doped tungstic acid bismuth photocatalyst, is made into powder or dispersion uses.The dispersant of dispersion is water, water
With the mixture of at least one organic solvent, a kind of organic solvent or the mixture of two or more organic solvent.
Application neodymium-doped tungstic acid bismuth photocatalyst, is coated onto on coating substrate using after heat-treated.Coating substrate
Selected from glass, stainless steel cloth or polymer.
The neodymium-doped tungstic acid bismuth photocatalyst prepared for institute performance in sewage disposal is applied, under design visible ray
Degrade respectively the experiment of acid chrome blue K, dimethyl diaminophenazine chloride, viride nitens, under the visible ray (λ ＞ 420nm) of 300W xenon lamp, irradiate 60 points
Clock, 100mL concentration is that the acid chrome blue K of 12mg/L, dimethyl diaminophenazine chloride, the viride nitens solution solution that substantially fades substantially fades, acidic chromium
Blue K, dimethyl diaminophenazine chloride, the degradation rate of viride nitens all reach more than 98%.
Faint yellow diamond platy structure neodymium-doped tungstic acid bismuth soilless sticking phenomenon prepared by the present invention, has high-specific surface area and light
Catalytic performance, and preparation method is simple, the neodymium-doped tungstic acid bismuth photocatalyst of preparation can be used for acid chrome blue K, dimethyl diaminophenazine chloride, viride nitens
Degraded.
Accompanying drawing explanation
Fig. 1 is the X-ray diffraction spectrogram of neodymium-doped tungstic acid bismuth photocatalyst in embodiment.
Fig. 2 is the bismuth SEM spectrogram of neodymium-doped tungstic acid bismuth photocatalyst in embodiment.
Fig. 3 is the EDS spectrogram of neodymium-doped tungstic acid bismuth photocatalyst in embodiment.
Fig. 4 is that in embodiment, neodymium-doped tungstic acid bismuth photocatalyst is degraded during viride nitens under visible light illumination, viride nitens solution
The time dependent curve of absorbance.
Fig. 5 is that in embodiment, neodymium-doped tungstic acid bismuth photocatalyst is degraded during dimethyl diaminophenazine chloride under visible light illumination, dimethyl diaminophenazine chloride
The time dependent curve of solution absorbance.
Fig. 6 is that in embodiment, neodymium-doped tungstic acid bismuth photocatalyst is degraded during Acid chrome blue K under visible light illumination, acid
The time dependent curve of network indigo plant K solution absorbance.
Detailed description of the invention
The present invention is expanded on further with embodiment below in conjunction with the accompanying drawings, it should be understood that embodiment be merely to illustrate the present invention and not
For limiting the scope of the invention.
Embodiment
Prepare neodymium-doped tungstic acid bismuth photocatalyst:
(1) 10:20:0.1～0.08 weighs Na respectively in molar ratio2WO4·2H2O、Bi(NO3)3·5H2O、 Nd2O3, with 2～
8ml concentrated nitric acid is dissolved as sodium tungstate salpeter solution, bismuth nitrate salpeter solution and Dineodymium trioxide salpeter solution respectively；
(2) under magnetic stirring, respectively sodium tungstate salpeter solution, Dineodymium trioxide salpeter solution are added dropwise in bismuth nitrate solution
White suspension solution, continues stirring 30 minutes by aaerosol solution；
(3) by aaerosol solution be incorporated with in teflon-lined reactor, under 453K after isothermal reaction 6h, then divide
From, wash, be dried to obtain faint yellow diamond platy structure neodymium-doped tungstic acid bismuth photocatalyst, as Figure 1-3.
In order to neodymium-doped tungstic acid bismuth performance in waste water control is applied prepared by institute, difference degradation acid under design visible ray
Property chromium orchid K, dimethyl diaminophenazine chloride, the experiment of viride nitens, under the visible ray (λ ＞ 420nm) of 300W xenon lamp irradiate 60 minutes, 100mL
Concentration is that the acid chrome blue K of 12mg/L, dimethyl diaminophenazine chloride, the viride nitens solution solution that substantially fades substantially fades, acid chrome blue K, neutrality
Degradation rate red, viride nitens all reaches more than 98%, as Figure 4-Figure 6.
Claims (7)
1. the preparation method of a neodymium-doped tungstic acid bismuth photocatalyst, it is characterised in that comprise the steps:
(1) 10:20:0.1～0.08 weighs Na respectively in molar ratio2WO4·2H2O、Bi(NO3)3·5H2O、Nd2O3；(2) with 2～
The Na that 8 ml concentrated nitric acids will weigh respectively2WO4·2H2O、Bi(NO3)3·5H2O、Nd2O3It is dissolved as sodium tungstate salpeter solution, nitric acid
Bismuth salpeter solution and Dineodymium trioxide salpeter solution；
(3) under magnetic stirring, respectively sodium tungstate salpeter solution, Dineodymium trioxide salpeter solution are added dropwise in bismuth nitrate solution
White suspension solution, continues stirring 30 minutes by aaerosol solution；
(4) aaerosol solution is incorporated with in teflon-lined reactor, under 453K after isothermal reaction 6h, then divides
From, wash, be dried to obtain faint yellow diamond platy structure neodymium-doped tungstic acid bismuth photocatalyst.
The neodymium-doped tungstic acid bismuth photocatalyst that preparation method the most according to claim 1 prepares.
3. neodymium-doped tungstic acid bismuth photocatalyst described in claim 2 is in the application of sewage disposal, air cleaning or antibiosis.
The application of neodymium-doped tungstic acid bismuth photocatalyst the most according to claim 3, it is characterised in that: by described neodymium-doped tungstic acid bismuth light
Powder made by catalyst or dispersion uses.
The application of neodymium-doped tungstic acid bismuth photocatalyst the most according to claim 3, it is characterised in that: by described neodymium-doped tungstic acid bismuth light
Catalyst is coated on coating substrate and uses after heat-treated.
The application of neodymium-doped tungstic acid bismuth photocatalyst the most according to claim 4, it is characterised in that: the dispersant of described dispersion
For the mixture of water, water and at least one organic solvent, a kind of organic solvent or the mixture of two or more organic solvent.
The application of neodymium-doped tungstic acid bismuth photocatalyst the most according to claim 5, it is characterised in that: described coating substrate is selected from glass
Glass, stainless steel cloth or polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610646256.9A CN106238038A (en) | 2016-08-09 | 2016-08-09 | The preparation of a kind of neodymium-doped tungstic acid bismuth photocatalyst and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610646256.9A CN106238038A (en) | 2016-08-09 | 2016-08-09 | The preparation of a kind of neodymium-doped tungstic acid bismuth photocatalyst and application thereof |
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| CN106238038A true CN106238038A (en) | 2016-12-21 |
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| CN201610646256.9A Pending CN106238038A (en) | 2016-08-09 | 2016-08-09 | The preparation of a kind of neodymium-doped tungstic acid bismuth photocatalyst and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116532084A (en) * | 2023-04-28 | 2023-08-04 | 淮安兴淮消防设备有限公司 | Nd-doped Bi 2 WO 6 Preparation and application of nanoflower-biomass porous carbon material |
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| CN116532084A (en) * | 2023-04-28 | 2023-08-04 | 淮安兴淮消防设备有限公司 | Nd-doped Bi 2 WO 6 Preparation and application of nanoflower-biomass porous carbon material |
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Application publication date: 20161221 |