CN106542606A - A kind of method of rhodamine B degradation under visible light - Google Patents
A kind of method of rhodamine B degradation under visible light Download PDFInfo
- Publication number
- CN106542606A CN106542606A CN201610913855.2A CN201610913855A CN106542606A CN 106542606 A CN106542606 A CN 106542606A CN 201610913855 A CN201610913855 A CN 201610913855A CN 106542606 A CN106542606 A CN 106542606A
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- China
- Prior art keywords
- rhodamine
- solution
- visible light
- under visible
- degradation under
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- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [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 title claims abstract description 37
- 229940043267 rhodamine b Drugs 0.000 title claims abstract description 37
- 230000015556 catabolic process Effects 0.000 title claims abstract description 18
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 17
- 239000011591 potassium Substances 0.000 claims abstract description 17
- 239000011941 photocatalyst Substances 0.000 claims abstract description 13
- FDWREHZXQUYJFJ-UHFFFAOYSA-M gold monochloride Chemical compound [Cl-].[Au+] FDWREHZXQUYJFJ-UHFFFAOYSA-M 0.000 claims abstract description 5
- SJUCACGNNJFHLB-UHFFFAOYSA-N O=C1N[ClH](=O)NC2=C1NC(=O)N2 Chemical compound O=C1N[ClH](=O)NC2=C1NC(=O)N2 SJUCACGNNJFHLB-UHFFFAOYSA-N 0.000 claims description 12
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 7
- 238000002835 absorbance Methods 0.000 claims description 6
- 230000001699 photocatalysis Effects 0.000 claims description 6
- 239000006228 supernatant Substances 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 claims description 5
- 238000000870 ultraviolet spectroscopy Methods 0.000 claims description 5
- 238000010668 complexation reaction Methods 0.000 claims description 4
- 238000007146 photocatalysis Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000011949 solid catalyst Substances 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- -1 gold chloride radical ion Chemical class 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000047 product Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000593 degrading effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011481 absorbance measurement Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000000680 avirulence Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000005315 stained glass Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B01J23/20—Vanadium, niobium or tantalum
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
Abstract
Photocatalyst for degrading rhodamine B technical field of the present invention, with potassium tantalate (KTaO3) for photocatalyst, a certain amount of gold chloride (HAuCl is added in rhodamine B solution4) solution, its Degradation under visible light is studied, under visible light, through 30 minutes, rhodamine B degradation effect can reach more than 80%.
Description
Technical field
Photocatalyst for degrading rhodamine B technical field of the present invention, with potassium tantalate (KTaO3) for photocatalyst, in rhodamine B
A certain amount of gold chloride (HAuCl is added in solution4) solution, study its Degradation under visible light, under visible light, Jing
30 minutes are spent, rhodamine B degradation effect can reach more than 80%.
Background technology
Potassium tantalate (KTaO3) quasiconductor possesses to environment avirulence, good stability and excellent photocatalytic activity, from
And have wide application in environmental conservation, and such as purification of air, the aspect such as water sterilization and purification.Rhodamine B is widely used
In paper-making industry, textile printing and dyeing industry, leather manufacture industry, coloured glass coloring, the manufacture of cell fluorescence stain and fireworks and firecrackers manufacture
Etc. industry.These industries produce substantial amounts of rhdamine B waste water, if not dealing carefully with, can give human health and life
State environment causes great damage.In the present invention, using potassium tantalate (KTaO3) Nano semiconductor photocatalyst, add a certain amount of
Gold chloride is initiator, and rhodamine B solution is degraded under visible light.
The content of the invention
It is an object of the present invention to provide one kind is with potassium tantalate (KTaO3) Nano semiconductor photocatalyst is raw material, add certain
The gold chloride of amount, through gold chloride radical ion and rhodamine B complexation, complexation product quick adsorption is in potassium tantalate (KTaO3) nanometer
Semiconductor light-catalyst surface, the then method of fast degradation under visible light.
The present invention is realized by following steps：
(1) potassium tantalate powder is put in the photoreaction bottle of rhodamine B solution, photoreaction bottle is placed in into dark place, stirring
Lower holding 30 minutes is mixed, while opening circulating condensing water, room temperature is maintained at；Then chlorauric acid solution is added drop-wise to into photoreaction bottle
In, and light source is opened, carry out photocatalysis experiment.4 milliliters of solution were taken out every 3 minutes to put in 5 milliliters of centrifuge tubes, Jing Guoli
The heart, taking supernatant is used for the absorbance measuring of ultraviolet-visible spectrophotometer；The solid catalyst Jing of rhodamine B is adsorbed in lower floor
Cross acetonitrile to soak 12 hours, the centrifuging and taking supernatant, for the absorbance measuring of ultraviolet-visible spectrophotometer.
The potassium tantalate powder with the mass volume ratio of rhodamine B solution is：1mg：1ml；The concentration of rhodamine B solution is
10 mg/litres.
The rhodamine B solution with the volume ratio of chlorauric acid solution is：100：0.4-1.3；The concentration of chlorauric acid solution is
3.3 mg/litre.
Description of the drawings
Fig. 1 is potassium tantalate (KTaO3) Nano semiconductor photocatalyst scanning electron microscope spectrogram.
Fig. 2 is the UV-visible absorbance measurement for adding 0.4 milliliter of chlorauric acid solution rhodamine B degradation experiment.
Fig. 3 is the UV-visible absorbance measurement for adding 0.4 milliliter of chlorauric acid solution rhodamine B degradation experiment, is contained
The amount of residual rhodamine B, the amount of rhodamine B degradation and the amount of absorption rhodamine B are over time.
Fig. 4 is the song of degraded in the case where different chlorauric acid solutions are added, after removing the amount of residual and the rhodamine B adsorbed
Line chart.
Specific embodiment
Embodiment 1 adds the photocatalytic activity of potassium tantalate (KTaO3) catalyst of different chlorauric acid solutions to test
(1) compound concentration is the rhodamine B solution of 10 mg/litres, and the solution for preparing is placed in dark place.
(2) weigh potassium tantalate (KTaO3) 0.1 gram of photocatalyst, it is placed in photo catalysis reactor, adds 100 milliliters of steps
(1) the target degradation solution for being prepared, magnetic agitation make composite photo-catalyst be uniformly dispersed in 30 minutes, open recirculated water, make temperature
It is maintained at room temperature.
(3) the 3.3 mg/litre chlorauric acid solutions of the 0.4ml for preparing are added in photo catalysis reactor, open light source,
Carry out photocatalytic degradation experiment.As shown in Fig. 2 in 30 minutes, rhodamine B concentration is gradually lowered with time lengthening.
(4) the photocatalytic degradation liquid in reactor was drawn per 3 minutes, after centrifugation, is used for the measurement of UV-visible absorbance.
As shown in figure 3, after calculating, it can be seen that with the prolongation of time, the adsorbance and residual quantity of rhodamine B are all being reduced, drop
The amount of solution is gradually increasing.
Embodiment 2
The volume for adding chlorauric acid solution is 0.4 milliliter, 0.7 milliliter, 1.0 milliliters, 1.3 milliliters respectively.As shown in figure 4,
The kinetic curve of rhodamine B degradation, the fast degradation within 10 minutes, 10 minutes are later gradually slack-off, degrade in 30 minutes
Effect is more than 80%.
Embodiment 3
In embodiment 1 after Aspirate supernatant is centrifuged, the solid catalyst of lower floor absorption rhodamine B is soaked through acetonitrile
After 12 hours, the centrifuging and taking supernatant, for the absorbance measuring of ultraviolet-visible spectrophotometer, by absorbed portion table in Fig. 3
Show.As illustrated, changing over, adsorbance kept in balance.
The phenetic analysis of embodiment 4 potassium tantalate (KTaO3) Nano semiconductor photocatalyst
As shown in figure 1, can see that potassium tantalate (KTaO3) Nano semiconductor photocatalyst is nano cubic by analysis in figure
Block.
Claims (4)
1. a kind of method of rhodamine B degradation under visible light, it is characterised in that：With potassium tantalate Nano semiconductor photocatalyst it is
Raw material, adds gold chloride, and through gold chloride radical ion and rhodamine B complexation, complexation product quick adsorption is in potassium tantalate nanometer half
Conductor photocatalyst surface, then fast degradation under visible light.
2. a kind of method of rhodamine B degradation under visible light as claimed in claim 1, it is characterised in that concrete steps are such as
Under：Potassium tantalate powder is put in the photoreaction bottle of rhodamine B solution, photoreaction bottle is placed in into dark place, is kept under agitation
30 minutes, while opening circulating condensing water, it is maintained at room temperature；Then chlorauric acid solution is added drop-wise in photoreaction bottle, and is opened
Light source, carries out photocatalysis experiment；4 milliliters of solution were taken out every 3 minutes to put in 5 milliliters of centrifuge tubes, through centrifugation, supernatant is taken
Liquid is used for the absorbance measuring of ultraviolet-visible spectrophotometer；The solid catalyst of lower floor absorption rhodamine B is soaked through acetonitrile
12 hours, the centrifuging and taking supernatant, for the absorbance measuring of ultraviolet-visible spectrophotometer.
3. a kind of method of rhodamine B degradation under visible light as claimed in claim 2, it is characterised in that the potassium tantalate
Powder with the mass volume ratio of rhodamine B solution is：1mg：1ml；The concentration of rhodamine B solution is 10 mg/litres.
4. a kind of method of rhodamine B degradation under visible light as claimed in claim 2, it is characterised in that the rhodamine B
Solution with the volume ratio of chlorauric acid solution is：100：0.4-1.3；The concentration of chlorauric acid solution is 3.3 mg/litres.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913855.2A CN106542606B (en) | 2016-10-20 | 2016-10-20 | Method for degrading rhodamine B under visible light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913855.2A CN106542606B (en) | 2016-10-20 | 2016-10-20 | Method for degrading rhodamine B under visible light |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106542606A true CN106542606A (en) | 2017-03-29 |
| CN106542606B CN106542606B (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610913855.2A Active CN106542606B (en) | 2016-10-20 | 2016-10-20 | Method for degrading rhodamine B under visible light |
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| CN (1) | CN106542606B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915797A (en) * | 2017-04-07 | 2017-07-04 | 江苏大学 | A kind of method of gold chloride assisted recombination photocatalyst for degrading rhodamine B |
| CN106995225A (en) * | 2017-04-13 | 2017-08-01 | 江苏大学 | A kind of method of quick removal aromatic series N alkyl dyestuffs |
| CN108043387A (en) * | 2017-12-01 | 2018-05-18 | 常州大学 | A kind of preparation method of carbon doping photochemical catalyst |
| CN108057434A (en) * | 2017-12-01 | 2018-05-22 | 常州大学 | A kind of preparation method of silica supported photochemical catalyst |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140271916A1 (en) * | 2013-03-15 | 2014-09-18 | Nitto Denko Corporation | Multivalence photocatalytic semiconductor elements |
-
2016
- 2016-10-20 CN CN201610913855.2A patent/CN106542606B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140271916A1 (en) * | 2013-03-15 | 2014-09-18 | Nitto Denko Corporation | Multivalence photocatalytic semiconductor elements |
Non-Patent Citations (3)
| Title |
|---|
| 姚仲鹏著: "《空气净化原理、设计与应用》", 30 September 2014, 北京：中国科学技术出版社 * |
| 王赛: "钽化合物光催化材料的合成及性质研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 蔡艳荣等: "氯金酸─罗丹明B显色反应的研究", 《锦州师范学院学报(自然科学版)》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915797A (en) * | 2017-04-07 | 2017-07-04 | 江苏大学 | A kind of method of gold chloride assisted recombination photocatalyst for degrading rhodamine B |
| CN106995225A (en) * | 2017-04-13 | 2017-08-01 | 江苏大学 | A kind of method of quick removal aromatic series N alkyl dyestuffs |
| CN108043387A (en) * | 2017-12-01 | 2018-05-18 | 常州大学 | A kind of preparation method of carbon doping photochemical catalyst |
| CN108057434A (en) * | 2017-12-01 | 2018-05-22 | 常州大学 | A kind of preparation method of silica supported photochemical catalyst |
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| Publication number | Publication date |
|---|---|
| CN106542606B (en) | 2020-01-24 |
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