CN106475086A - The preparation method of the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating - Google Patents
The preparation method of the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating Download PDFInfo
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- CN106475086A CN106475086A CN201610893289.3A CN201610893289A CN106475086A CN 106475086 A CN106475086 A CN 106475086A CN 201610893289 A CN201610893289 A CN 201610893289A CN 106475086 A CN106475086 A CN 106475086A
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- China
- Prior art keywords
- carbon nano
- nano tube
- hydroxylating
- bismuth oxychloride
- photocatalyst
- 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
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- 229940073609 bismuth oxychloride Drugs 0.000 title claims abstract description 23
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 title claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 19
- 230000000640 hydroxylating effect Effects 0.000 title claims abstract description 18
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 18
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims abstract description 13
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 10
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- -1 hydroxyl carbon nano tube Chemical compound 0.000 claims abstract description 9
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000460 chlorine Substances 0.000 claims abstract description 6
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 6
- 230000015556 catabolic process Effects 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 238000006731 degradation reaction Methods 0.000 claims abstract description 5
- 239000000126 substance Substances 0.000 claims abstract description 5
- 239000004094 surface-active agent Substances 0.000 claims abstract description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 239000001103 potassium chloride Substances 0.000 claims description 5
- 235000011164 potassium chloride Nutrition 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- 238000001556 precipitation Methods 0.000 claims description 5
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 230000003197 catalytic effect Effects 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 2
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 2
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 2
- 238000010129 solution processing Methods 0.000 claims description 2
- 238000001291 vacuum drying Methods 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 229910052797 bismuth Inorganic materials 0.000 claims 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 239000010842 industrial wastewater Substances 0.000 claims 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims 1
- 239000002351 wastewater Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 230000001699 photocatalysis Effects 0.000 abstract description 4
- 238000007146 photocatalysis Methods 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 239000010865 sewage Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000416 bismuth oxide Inorganic materials 0.000 description 1
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000003911 water pollution 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
- B01J23/18—Arsenic, antimony or bismuth
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
- A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
- A62D3/17—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation to electromagnetic radiation, e.g. emitted by a laser
-
- B01J35/39—
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
- A62D2101/20—Organic substances
Abstract
The invention discloses a kind of preparation method of the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating; with five nitric hydrate bismuths, the hydroxyl carbon nano tube through surfactant process and chlorine-containing compound as raw material; high conductivity feature using hydroxyl CNT; prepare catalyst with bismuth oxychloride In-situ reaction; effectively achieve light induced electron to separate with hole; greatly improve the photocatalysis performance of catalyst and the degradation capability of Organic substance, in sewage disposal, environmental conservation and energy field, there is wide development prospect.
Description
Technical field
The invention belongs to environmental conservation technical field of chemistry is and in particular to a kind of carbon nano tube-doped bismuth oxychloride of hydroxylating
The preparation method of photocatalyst.
Background technology
Photocatalyst as a kind of environmental protection the utilization sun optical processing water and air pollution effective means,
It, in today of energy growing tension, has obtained the great attention of world government and scientist, becomes grinding of Study on Environmental Protection
Study carefully one of focus.Titanium dioxide is because it is nontoxic, inexpensive and stability is preferably widely studied, but higher energy gap
Limit application under visible light.Bismuth oxychloride has excellent thing physical and chemical performance（Photocatalytic, pearly luster and light
Photoluminescence）With unique electronic structure, possesses excellent organic matter degradation ability, its valence band is by Bi6s and O2p orbital hybridization
Form, there is preferably electric charge flowing and oxidability, it has also become one of study hotspot both domestic and external, can be widely applied to light and urge
Agent, pearlescent pigment, medicine intermediate, ferroelectric material, embedded photoluminescent material and gas sensitive etc..
The method improving bismuth oxychloride catalyst performance mainly has ion doping, noble metal or forms hetero-junctions etc..Individually
Bi base catalyst, its light induced electron and hole can quickly be combined, and lead to the absorbability to visible ray limited.And hetero-junctions can lead to
Cross the foundation of built in field, make efficiently separating of light induced electron and hole, and then improve the visible light catalytic performance of catalyst.
Content of the invention
Present invention aims to prior art is not enough, provide a kind of hydroxylating carbon nano tube-doped bismuth oxychloride light
The preparation method of catalyst, has the photocatalyst of hetero-junctions feature by the preparation of hydroxylating carbon nano tube-doped bismuth oxychloride,
Greatly improve the photocatalysis performance of catalyst and the degradation capability of Organic substance.
For achieving the above object, the present invention adopts the following technical scheme that：
A kind of preparation method of the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating：Five nitric hydrate bismuths are dissolved in acid molten
In agent, stirring forms solution, adds the hydroxylating carbon nano-tube solution processing through surfactant, is sufficiently stirred for, ultrasonic disperse
30 min；Subsequently solution is warming up to 80 DEG C, after adding chlorine-containing compound, adjusts solution ph using sodium hydroxide solution and stablizes
10, react 1 hour, filter precipitation, with ethanol and deionized water wash 3 times, vacuum drying obtains hydroxylating carbon nanometer for 12 hours
Pipe doping bismuth oxychloride photocatalyst powder body.
Hydroxyl carbon nano tube used, hydroxy radical content is in 0.7 wt%-5.6 wt %.
Surfactant used is arbitrary in polyacrylamide, Polyvinylpyrrolidone, polyvinyl alcohol and Polyethylene Glycol
Kind.
Described chlorine-containing compound is potassium chloride.
Described hydroxyl carbon nano tube content in the catalyst is in 0.2 wt%-5 wt %.
The beneficial effects of the present invention is：The present invention prepares hetero-junctions chlorine by the carbon nano tube-doped bismuth oxychloride of hydroxylating
Bismuth oxide photocatalyst, has greatly reinforced CNT and bismuth oxychloride interface performance, has effectively achieved light induced electron and hole
Separation, greatly improve the photocatalysis performance of catalyst and the degradation capability of Organic substance, in environmental conservation and new energy field
Etc. having broad application prospects.
Specific embodiment
With reference to embodiments the specific embodiment of the present invention is further introduced：
Embodiment 1
By five nitric hydrate bismuths, 9.7 grams are dissolved in 100 ml salpeter solutions, and stirring makes it dissolve formation solution A；By polyacrylamide
1.0 grams of amine is added in 100 ml deionized waters, stirs, and (hydroxyl contains to be subsequently adding 0.1061 gram of hydroxyl carbon nano tube
Measure 0.71 wt%), ultrasonic disperse 1 hour, form solution B.Solution B is added in solution A in whipping process, ultrasonic disperse
30 min, are warmed up to 80 DEG C afterwards, and then in whipping process, gradually Deca contains the sodium hydroxide solution of 1.49 grams of potassium chloride, control
Solution ph processed is 10.After reaction 1 hour, filter precipitation, with ethanol and deionized water wash 3 times, be vacuum dried at 80 DEG C
Obtain within 12 hours carbon nano tube-doped Bismuth oxychloride powder catalyst.
Embodiment 2
By five nitric hydrate bismuths, 9.7 grams are dissolved in 100 ml salpeter solutions, and stirring makes it dissolve formation solution A；By polyethylene pyrrole
1.0 grams of pyrrolidone is added in 100 ml deionized waters, stirs, and is subsequently adding 0.1061 gram of hydroxyl carbon nano tube (hydroxyl
Base content 3.06 wt%), ultrasonic disperse 1 hour, form solution B.Solution B is added in solution A in whipping process, ultrasonic
Disperse 30 min, be warmed up to 80 DEG C afterwards, then gradually the sodium hydroxide containing 1.49 grams of potassium chloride for the Deca is molten in whipping process
Liquid, controls solution ph 10.After reaction 1 hour, filter precipitation, with ethanol and deionized water wash 3 times, vacuum at 80 DEG C
Drying obtains carbon nano tube-doped Bismuth oxychloride powder catalyst for 12 hours.
Embodiment 3
By five nitric hydrate bismuths, 9.7 grams are dissolved in 100 ml salpeter solutions, and stirring makes it dissolve formation solution A；By polyvinyl alcohol
1.0 grams are added in 100 ml deionized waters, stir, and are subsequently adding 0.1061 gram of hydroxyl carbon nano tube (hydroxy radical content
5.58 wt%), ultrasonic disperse 1 hour, form solution B.Solution B is added in solution A in whipping process, ultrasonic disperse 30
Min, is warmed up to 80 DEG C afterwards, and then in whipping process, gradually Deca contains the sodium hydroxide solution of 1.49 grams of potassium chloride, controls
Solution ph is 10.After reaction 1 hour, filter precipitation, with ethanol and deionized water wash 3 times, be vacuum dried 12 at 80 DEG C
Hour obtains carbon nano tube-doped Bismuth oxychloride powder catalyst.
The foregoing is only presently preferred embodiments of the present invention, all impartial changes done according to scope of the present invention patent with
Modify, all should belong to the covering scope of the present invention.
Claims (7)
1. a kind of carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating preparation method it is characterised in that：Five are hydrated nitre
Sour bismuth is dissolved in acid flux material, and stirring forms solution, adds the hydroxylating carbon nano-tube solution processing through surfactant, fully
Stirring, ultrasonic disperse 30 min；Subsequently solution is warming up to 80 DEG C, after adding chlorine-containing compound, is adjusted using sodium hydroxide solution
Solution ph is stable to react 1 hour, filters precipitation 10, with ethanol and deionized water wash 3 times, vacuum drying 12 hours
To hydroxylating carbon nano tube-doped bismuth oxychloride photocatalyst powder body.
2. the preparation method of the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating according to claim 1, its feature
It is：Hydroxyl carbon nano tube used, hydroxy radical content is in 0.7 wt%-5.6 wt %.
3. the preparation method of the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating according to claim 1, its feature
It is：Described surfactant is any one in polyacrylamide, Polyvinylpyrrolidone, polyvinyl alcohol and Polyethylene Glycol.
4. the preparation method of the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating according to claim 1, its feature
It is：Described hydroxyl carbon nano tube content in the catalyst is in 0.2 wt%-5 wt %.
5. the preparation method of the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating according to claim 1, its feature
It is：Described chlorine-containing compound is potassium chloride.
6. the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating that a kind of the method for claim 1 is obtained.
7. a kind of the method for claim 1 be obtained photocatalyst application it is characterised in that：Described photocatalyst is used
In catalytic degradation Organic substance, it is applied to the purified treatment of industrial wastewater, sanitary wastewater and room air.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893289.3A CN106475086A (en) | 2016-10-14 | 2016-10-14 | The preparation method of the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating |
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|---|---|---|---|
| CN201610893289.3A CN106475086A (en) | 2016-10-14 | 2016-10-14 | The preparation method of the carbon nano tube-doped bismuth oxychloride photocatalyst of hydroxylating |
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| CN106475086A true CN106475086A (en) | 2017-03-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109590026A (en) * | 2018-11-30 | 2019-04-09 | 河海大学 | A kind of composite photocatalyst material and its preparation method and application |
| CN115193451A (en) * | 2022-05-18 | 2022-10-18 | 上海交通大学 | Method for seawater sunlight chemical synthesis of composite disinfectant by using biochar-loaded bismuth oxyhalide composite material |
| CN117160437A (en) * | 2023-10-23 | 2023-12-05 | 重庆工商大学 | Defective calcium hydroxystannate photocatalyst and preparation method and application thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117160437A (en) * | 2023-10-23 | 2023-12-05 | 重庆工商大学 | Defective calcium hydroxystannate photocatalyst and preparation method and application thereof |
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Application publication date: 20170308 |