CN106542606B - Method for degrading rhodamine B under visible light - Google Patents
Method for degrading rhodamine B under visible light Download PDFInfo
- Publication number
- CN106542606B CN106542606B CN201610913855.2A CN201610913855A CN106542606B CN 106542606 B CN106542606 B CN 106542606B CN 201610913855 A CN201610913855 A CN 201610913855A CN 106542606 B CN106542606 B CN 106542606B
- Authority
- CN
- China
- Prior art keywords
- rhodamine
- solution
- chloroauric acid
- visible light
- under visible
- 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.)
- Active
Links
- 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 40
- 229940043267 rhodamine b Drugs 0.000 title claims abstract description 39
- 230000000593 degrading effect Effects 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 7
- 239000002253 acid Substances 0.000 claims abstract description 21
- 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 14
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 9
- 238000011481 absorbance measurement Methods 0.000 claims description 7
- 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
- 239000000843 powder Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000011949 solid catalyst Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000000536 complexating effect Effects 0.000 claims description 2
- 238000007146 photocatalysis Methods 0.000 claims description 2
- 239000000047 product Substances 0.000 claims description 2
- 150000005837 radical ions Chemical class 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims 1
- 230000015556 catabolic process Effects 0.000 abstract description 8
- 238000006731 degradation reaction Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Images
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
Landscapes
- 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)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
Abstract
The invention relates to the technical field of degrading rhodamine B by using a photocatalyst, and potassium tantalate (KTaO)3) Adding a certain amount of chloroauric acid (HAuCl) into rhodamine B solution as photocatalyst4) And (3) researching the degradation effect of the solution under visible light, wherein the degradation effect of rhodamine B can reach more than 80% after 30 minutes under visible light.
Description
Technical Field
The invention relates to the technical field of degrading rhodamine B by using a photocatalyst, and potassium tantalate (KTaO)3) Adding a certain amount of chloroauric acid (HAuCl) into rhodamine B solution as photocatalyst4) And (3) researching the degradation effect of the solution under visible light, wherein the degradation effect of rhodamine B can reach more than 80% after 30 minutes under visible light.
Background
Potassium tantalate (KTaO)3) The semiconductor has no toxicity to the environment, good stability and excellent photocatalytic activity, and thus has wide applications in environmental protection, such as air purification, water disinfection and purification, and the like. Rhodamine B is widely used in the industries of paper making, textile printing and dyeing, leather manufacturing, colored glass coloring, cell fluorescent coloring agent manufacturing, firework and firecracker manufacturing and the like. These industries produce large amounts of rhodamine B dye wastewater that, if not properly treated, can cause significant harm to human health and the ecological environment. In the present invention, potassium tantalate (KTaO) is used3) A certain amount of chloroauric acid is added into the nanometer semiconductor photocatalyst as an initiator to degrade rhodamine B solution under visible light.
Disclosure of Invention
The invention aims to provide a potassium tantalate (KTaO)3) Nanometer semiconductor photocatalyst is used as material, certain amount of chloroauric acid is added, and the complex product is fast adsorbed to potassium tantalate (KTaO) via complexing of chloroauric acid radical ion and rhodamine B3) A method for rapidly degrading the surface of a nano semiconductor photocatalyst under visible light.
The invention is realized by the following steps:
(1) putting potassium tantalite powder into a photoreaction bottle of rhodamine B solution, putting the photoreaction bottle in a dark place, keeping the solution for 30 minutes under stirring, simultaneously opening circulating condensed water, and keeping the solution at room temperature; then, the chloroauric acid solution is dripped into a light reaction bottle, and a light source is turned on to carry out a photocatalysis experiment. Taking out 4ml of solution every 3 minutes, putting the solution into a 5 ml centrifuge tube, centrifuging, and taking supernatant for absorbance measurement of an ultraviolet-visible spectrophotometer; and soaking the solid catalyst adsorbing rhodamine B on the lower layer in acetonitrile for 12 hours, centrifuging, and taking the supernatant for absorbance measurement of an ultraviolet-visible spectrophotometer.
The mass-volume ratio of the potassium tantalate powder to the rhodamine B solution is as follows: 1 mg: 1 ml; the concentration of the rhodamine B solution is 10 mg/L.
The volume ratio of the rhodamine B solution to the chloroauric acid solution is as follows: 100: 0.4-1.3; the concentration of the chloroauric acid solution was 3.3 mg/l.
Drawings
FIG. 1 shows potassium tantalate (KTaO)3) Scanning electron microscope spectrogram of the nanometer semiconductor photocatalyst.
FIG. 2 is a graph showing the UV-Vis absorbance measurements for an experiment in which 0.4ml of chloroauric acid solution was added to degrade rhodamine B.
FIG. 3 is a graph showing the UV-Vis absorbance measurements of experiments in which 0.4ml of chloroauric acid solution was added to degrade rhodamine B, including the amount of residual rhodamine B, the amount of degraded rhodamine B and the amount of adsorbed rhodamine B as a function of time.
FIG. 4 is a graph of degradation after removal of residual and adsorbed amounts of rhodamine B with the addition of different chloroauric acid solutions.
Detailed Description
EXAMPLE 1 photocatalytic activity test of potassium tantalate (KTaO3) catalyst with different chloroauric acid solutions
(1) Preparing 10 mg/L rhodamine B solution, and placing the prepared solution in a dark place.
(2) Weighing potassium tantalate (KTaO)3) And (2) placing 0.1 g of photocatalyst into a photocatalytic reactor, adding 100 ml of the target degradation liquid prepared in the step (1), magnetically stirring for 30 minutes to uniformly disperse the composite photocatalyst, and opening circulating water to keep the temperature at room temperature.
(3) The prepared 0.4ml of 3.3 mg/l chloroauric acid solution is added into a photocatalytic reactor, a light source is turned on, and a photocatalytic degradation experiment is carried out. As shown in fig. 2, the concentration of rhodamine B gradually decreased over 30 minutes.
(4) And absorbing the photocatalytic degradation liquid in the reactor every 3 minutes, and centrifuging the photocatalytic degradation liquid for measuring the ultraviolet-visible absorbance. As shown in FIG. 3, after calculation, the adsorption amount and the residual amount of rhodamine B are reduced and the degradation amount is gradually increased along with the time.
Example 2
The volumes of the chloroauric acid solutions added were 0.4ml, 0.7 ml, 1.0 ml and 1.3 ml, respectively. As shown in FIG. 4, the dynamic curve for degrading rhodamine B is that the rhodamine B is rapidly degraded within 10 minutes, gradually slows down after 10 minutes, and the degradation effect is more than 80% within 30 minutes.
Example 3
After the supernatant liquid is absorbed by centrifugation in example 1, the solid catalyst adsorbing rhodamine B at the lower layer is soaked in acetonitrile for 12 hours, and then the supernatant liquid is obtained by centrifugation and used for the absorbance measurement of an ultraviolet-visible spectrophotometer, which is represented by an adsorption part in FIG. 3. As shown, the amount of adsorption was substantially balanced over time.
Example 4 characterization analysis of potassium tantalate (KTaO3) Nano semiconductor photocatalyst
As shown in FIG. 1, it can be seen from the analysis in the figure that the potassium tantalate (KTaO3) nano semiconductor photocatalyst is a nano cubic.
Claims (3)
1. A method for degrading rhodamine B under visible light is characterized by comprising the following steps: the method comprises the following steps of (1) taking a potassium tantalate nano semiconductor photocatalyst as a raw material, adding chloroauric acid, complexing with rhodamine B through chloroauric acid radical ions, enabling a complex product to be rapidly adsorbed on the surface of the potassium tantalate nano semiconductor photocatalyst, and then rapidly degrading under visible light; the rhodamine B adopts a rhodamine B solution, the chloroauric acid adopts a chloroauric acid solution, and the volume ratio of the rhodamine B solution to the chloroauric acid solution is as follows: 100: 0.4-1.3; the concentration of the chloroauric acid solution is 3.3 mg/L; the concentration of the rhodamine B solution is 10 mg/L.
2. The method for degrading rhodamine B under visible light as claimed in claim 1, which is characterized by comprising the following specific steps: putting potassium tantalite powder into a photoreaction bottle of rhodamine B solution, putting the photoreaction bottle in a dark place, keeping the solution for 30 minutes under stirring, simultaneously opening circulating condensed water, and keeping the solution at room temperature; then, dripping the chloroauric acid solution into a light reaction bottle, turning on a light source, and carrying out a photocatalysis experiment; taking out 4ml of solution every 3 minutes, putting the solution into a 5 ml centrifuge tube, centrifuging, and taking supernatant for absorbance measurement of an ultraviolet-visible spectrophotometer; and soaking the solid catalyst adsorbing rhodamine B on the lower layer in acetonitrile for 12 hours, centrifuging, and taking the supernatant for absorbance measurement of an ultraviolet-visible spectrophotometer.
3. The method for degrading rhodamine B under visible light as claimed in claim 2, wherein the mass-to-volume ratio of the potassium tantalate powder to the rhodamine B solution is as follows: 1 mg: 1 ml.
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 CN106542606A (en) | 2017-03-29 |
| CN106542606B true CN106542606B (en) | 2020-01-24 |
Family
ID=58391951
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106542606B (en) |
Families Citing this family (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 |
| CN106995225B (en) * | 2017-04-13 | 2020-01-24 | 江苏大学 | Method for quickly removing aromatic N-alkyl dye |
| CN108057434A (en) * | 2017-12-01 | 2018-05-22 | 常州大学 | A kind of preparation method of silica supported photochemical catalyst |
| CN108043387A (en) * | 2017-12-01 | 2018-05-18 | 常州大学 | A kind of preparation method of carbon doping photochemical catalyst |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9376332B2 (en) * | 2013-03-15 | 2016-06-28 | Nitto Denko Corporation | Multivalence photocatalytic semiconductor elements |
-
2016
- 2016-10-20 CN CN201610913855.2A patent/CN106542606B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106542606A (en) | 2017-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106542606B (en) | Method for degrading rhodamine B under visible light | |
| Asfaram et al. | Screening and optimization of highly effective ultrasound-assisted simultaneous adsorption of cationic dyes onto Mn-doped Fe3O4-nanoparticle-loaded activated carbon | |
| Dastkhoon et al. | Ultrasound assisted adsorption of malachite green dye onto ZnS: Cu-NP-AC: equilibrium isotherms and kinetic studies–response surface optimization | |
| Cardoso et al. | Application of aqai stalks as biosorbents for the removal of the dyes Reactive Black 5 and Reactive Orange 16 from aqueous solution | |
| Nadaroglu et al. | Removing Trypan blue dye using nano-Zn modified Luffa sponge | |
| Chieng et al. | Effective adsorption of toxic brilliant green from aqueous solution using peat of Brunei Darussalam: isotherms, thermodynamics, kinetics and regeneration studies | |
| Yilmaz et al. | Waste utilization: The removal of textile dye (Bomaplex Red CR-L) from aqueous solution on sludge waste from electrocoagulation as adsorbent | |
| Ahmad et al. | Equilibrium, kinetics, and thermodynamics of remazol brilliant blue R dye adsorption onto activated carbon prepared from pinang frond | |
| Vassalini et al. | Plasmonic hydrogels for capture, detection and removal of organic pollutants | |
| CN106955726B (en) | A kind of the molecular engram catalytic membrane and preparation method of degradation selectivity Ciprofloxacin | |
| El Khomri et al. | Removal of Congo red from aqueous solution in single and binary mixture systems using Argan nutshell wood | |
| Vîrlan et al. | Studies on adsorption capacity of cationic dyes on several magnetic nanoparticles | |
| Buledi et al. | Heterogeneous kinetics of CuO nanoflakes in simultaneous decolorization of Eosin Y and Rhodamine B in aqueous media | |
| CN109967128B (en) | Photocatalytic composite material for degrading rhodamine B and preparation method and application thereof | |
| Saleh et al. | Malachite Green dye removal from aqueous solutions using invader Centaurea solstitialis plant and optimization by response surface method: kinetic, isotherm, and thermodynamic study | |
| Ibrahim et al. | Decolorization of Coomassie brilliant blue G-250 dye using snail shell powder by action of adsorption processes | |
| Mosallanejad et al. | Kinetics and isotherm of sunset yellow dye adsorption on cadmium sulfide nanoparticle loaded on activated carbon | |
| Bagtash et al. | Removal of brilliant green and malachite green from aqueous solution by a viable magnetic polymeric nanocomposite: Simultaneous spectrophotometric determination of 2 dyes by PLS using original and first derivative spectra | |
| Çelekli et al. | Sorption and desorption studies of a reactive azo dye on effective disposal of redundant material | |
| Sharma et al. | Controllable synthesis of high-yield magnetic nanomaterials assisted dye adsorbents from waste-water treatment and applications | |
| CN104611374B (en) | A kind of method of enterococcus faecalis synthesis palladium nano-particles | |
| Baran et al. | Competitive removal of malachite green and rhodamine B using clinoptilolite in a two-dye system | |
| CN103586088B (en) | A kind of preparation method of degradation selectivity hydroquinones composite photo-catalyst | |
| CN106995225B (en) | Method for quickly removing aromatic N-alkyl dye | |
| Hussain et al. | Comparative evaluation of the adsorption performance of citric acid-treated peels of Trapa natans and Citrullus lanatus for cationic dyes degradation from water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |