CN105396603A - Bismuth oxychloride catalyst with visible light response core-shell structure and preparation method thereof - Google Patents
Bismuth oxychloride catalyst with visible light response core-shell structure and preparation method thereof Download PDFInfo
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- 239000003054 catalyst Substances 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 27
- 229940073609 bismuth oxychloride Drugs 0.000 title abstract 3
- 239000011258 core-shell material Substances 0.000 title abstract 3
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 title abstract 3
- 230000004298 light response Effects 0.000 title abstract 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 51
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 32
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 32
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 32
- 238000003756 stirring Methods 0.000 claims abstract description 17
- 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 claims abstract description 8
- 229940043267 rhodamine b Drugs 0.000 claims abstract description 8
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 6
- 231100000719 pollutant Toxicity 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 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 description 30
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 18
- 239000000047 product Substances 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 15
- 239000006227 byproduct Substances 0.000 claims description 15
- 239000012153 distilled water Substances 0.000 claims description 15
- AHUBLGVDRKDHAT-UHFFFAOYSA-N [Bi]=O.[Cl] Chemical compound [Bi]=O.[Cl] AHUBLGVDRKDHAT-UHFFFAOYSA-N 0.000 claims description 5
- 238000005286 illumination Methods 0.000 claims description 4
- 230000018109 developmental process Effects 0.000 claims description 3
- 230000006911 nucleation Effects 0.000 claims description 3
- 238000010899 nucleation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 238000006555 catalytic reaction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000243 solution Substances 0.000 abstract 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- FBXVOTBTGXARNA-UHFFFAOYSA-N bismuth;trinitrate;pentahydrate Chemical compound O.O.O.O.O.[Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FBXVOTBTGXARNA-UHFFFAOYSA-N 0.000 abstract 2
- 230000015556 catabolic process Effects 0.000 abstract 1
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000004005 microsphere Substances 0.000 abstract 1
- 239000011259 mixed solution Substances 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000003256 environmental substance Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010532 solid phase synthesis reaction Methods 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
-
- 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
-
- 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
- B01J35/396—Distribution of the active metal ingredient
- B01J35/397—Egg shell like
-
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
Abstract
The invention provides a bismuth oxychloride catalyst with a visible light response core-shell structure and a preparation method thereof. The preparation method comprises the steps of adding bismuth nitrate pentahydrate into mixed solution of ethylene glycol and polyvinylpyrrolidone, performing stirring at room temperature until bismuth nitrate pentahydrate is fully dissolved; using sodium carbonate to adjust the pH of the solution; after the stirring at room temperature, pouring the solution into a reaction kettle to perform reaction; and after the solution is cooled, performing filtration, washing and drying, so that a bismuth oxychloride microsphere with a core-shell structure having a diameter of about 1 [mu]m is obtained. Under irradiation of visible light, the catalyst achieves complete degradation of target pollutant Rhodamine B dye in 10 min. According to the method, a synthetic route is simple, and the catalyst is high in yield, good in reproducibility, high in catalysis effect and repeated utilization factor and suitable for industrial mass production requirements.
Description
Technical field
The present invention relates to a kind of bismoclite Catalysts and its preparation method of visible-light response type nucleocapsid structure, belong to environmental chemical engineering photocatalysis water-treatment technology field, particularly visible-light treatment dye discoloration waste water.
Background technology
The various dyestuff output of current China has reached 900,000 tons, and waste water from dyestuff has become one of environment major polluting sources.Dye industry is various in style, complex process.Containing a large amount of organic matters and salt in its waste water, there is COD
crheight, color and luster is dark, and the features such as Acidity of Aikalinity is strong are the difficult problems in wastewater treatment always.The method of dye wastewater treatment has absorption method, membrane separation process, photocatalytic oxidation, electrochemical oxidation process, sonication etc.Wherein, pollutant for the energy with clean solar energy, thoroughly can be degraded, therefore be subject to extensive concern by photocatalytic oxidation.At present, research the widest the darkest catalyst is TiO
2and ZnO, but these catalyst only have response to the ultraviolet light accounted in 4% sunshine, and do not respond accounting for 43% visible ray.In order to better utilize the visible ray in solar energy, one of method is exactly develop novel to have the corresponding catalysis material of visible ray.
The 2p track Cheng Jian of 6s and the O atom of the Bi atom of bismoclite (BiOCl), impact is configured with on valence band and conduction band, its light abstraction width is expanded to visible region, for the visible light catalytic material developing practicality and high efficiency provides important approach, a lot of scholar is therefore had to start pay close attention to and study this compound.The preparation method relating to chlorine oxygen bismuth material mainly contains Hydrolyze method, microwave method, ultrasonic method, hydro-thermal method and solid phase method etc., but the pattern involved by catalyst that the technique adopted at present obtains is nanometer sheet or micron ball.
Summary of the invention
Object of the present invention aim to provide a kind of simple, be easy to operate, the BiOCl visible light catalyst of nucleocapsid structure that catalytic activity is high.
Another object of the present invention is the preparation method of the bismoclite catalyst providing a kind of visible-light response type nucleocapsid structure.
The present invention is for realizing this object, and the technical scheme taked is as follows:
A kind of chlorine oxygen bismuth visible light catalyst, this catalyst is the micron ball of nucleocapsid structure, developmental process is: perite nanometer sheet assembles nucleation round central point, continue to be gathered into shell at the skin of core again, thus form the micron ball that solid diameter is 0.9-1.2 μm, under visible light illumination, in 10min, realize target pollutant rhodamine B (RhB) is degradable for the micron ball of this nucleocapsid structure.
Preparation method of the present invention adopts hydro-thermal method, and concrete steps are as follows:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 5 ~ 30ml and polyvinylpyrrolidone (PVP) mixed liquor of 1 ~ 10g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate pH value to 1 ~ 6 of above-mentioned solution, stirring at room temperature 30min;
Step 3: joined by the product of step 2 in 100ml hydrothermal reaction kettle, reacts 2 ~ 10h at 100 ~ 160 DEG C;
Step 4: after step 3 terminates, filter, wash respectively with distilled water and absolute ethyl alcohol, then by product dry 12h at 120 DEG C, namely obtain linen chlorine oxygen bismuth photochemical catalyst, this catalyst is the micron ball of nucleocapsid structure, and diameter is about 1 μm.
The invention has the advantages that:
1. the water heat transfer BiOCl visible light catalyst of nucleocapsid structure.
2. the BiOCl catalyst synthesized has very high visible light catalysis activity, under visible light illumination, can degrade close to 100% by realize target pollutant RhB in 10min.
3. building-up process processing ease, products collection efficiency is high, reproducible, the needs of realistic production.
Accompanying drawing explanation
Fig. 1 is the SEM figure of BiOCl sample prepared by embodiment of the present invention 1.
Detailed description of the invention
Following non-limiting example can make the present invention of those of ordinary skill in the art's comprehend, but does not limit the present invention in any way.
A kind of chlorine oxygen bismuth visible light catalyst, this catalyst is the micron ball of nucleocapsid structure, developmental process is: perite nanometer sheet assembles nucleation round central point, continue to be gathered into shell at the skin of core again, thus form the micron ball that solid diameter is about 0.9-1.2 μm, under visible light illumination, in 10min, realize target pollutant rhodamine B (RhB) is degradable for the micron ball of this nucleocapsid structure.
embodiment 1
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 20ml and polyvinylpyrrolidone (PVP) mixed liquor of 5g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
The SEM figure of BiOCl sample is shown in Fig. 1, and as can be seen from the figure prepared BiOCl micron ball presents nucleocapsid structure, and is medicine ball, and micron ball diameter is about 1 μm.
embodiment 2
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 20ml and polyvinylpyrrolidone (PVP) mixed liquor of 5g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 100 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 3
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 20ml and polyvinylpyrrolidone (PVP) mixed liquor of 5g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 160 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 4
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 20ml and polyvinylpyrrolidone (PVP) mixed liquor of 1g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 5
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 20ml and polyvinylpyrrolidone (PVP) mixed liquor of 10g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 6
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 5ml and polyvinylpyrrolidone (PVP) mixed liquor of 1g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 7
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 30ml and polyvinylpyrrolidone (PVP) mixed liquor of 5g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 8
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 30ml and polyvinylpyrrolidone (PVP) mixed liquor of 1g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 9
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 30ml and polyvinylpyrrolidone (PVP) mixed liquor of 10g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 10
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 20ml and polyvinylpyrrolidone (PVP) mixed liquor of 5g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 6 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 11
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 20ml and polyvinylpyrrolidone (PVP) mixed liquor of 5g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 1 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 6h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 12
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 20ml and polyvinylpyrrolidone (PVP) mixed liquor of 5g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 2h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
embodiment 13
The preparation process of BiOCl visible light catalyst is:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 20ml and polyvinylpyrrolidone (PVP) mixed liquor of 5g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate the pH value to 3 of above-mentioned solution, stirring at room temperature 30min;
Step 3: the product of step 2 is joined in 100ml hydrothermal reaction kettle, react 10h at 130 DEG C;
Step 4: after step 3 terminates, filters, washs respectively, then by product dry 12h at 120 DEG C with distilled water and absolute ethyl alcohol.
Claims (7)
1. the bismoclite catalyst of a visible-light response type nucleocapsid structure, it is characterized in that: this catalyst is the micron ball of nucleocapsid structure, developmental process is: perite nanometer sheet assembles nucleation round central point, continue to be gathered into shell at the skin of core again, thus form the micron ball that solid diameter is about 1 μm, under visible light illumination, in 10min, realize target pollutant rhodamine B (RhB) is degradable for the micron ball of this nucleocapsid structure.
2. the preparation method of the bismoclite catalyst of a kind of visible-light response type nucleocapsid structure according to claim 1, it is characterized in that adopting hydro-thermal method, concrete steps are as follows:
Step 1:0.01mol five water bismuth nitrate adds in the ethylene glycol of 5 ~ 30ml and polyvinylpyrrolidone (PVP) mixed liquor of 1 ~ 10g, and stirred at ambient temperature to five water bismuth nitrate dissolves completely;
Step 2: with Na (CO
3)
2regulate pH value to 1 ~ 6 of above-mentioned solution, stirring at room temperature 30min;
Step 3: joined by the product of step 2 in 100ml hydrothermal reaction kettle, reacts 2 ~ 10h at 100 ~ 160 DEG C.
Step 4: after step 3 terminates, filter, wash respectively with distilled water and absolute ethyl alcohol, then by product dry 12h at 120 DEG C, namely obtain linen chlorine oxygen bismuth photochemical catalyst, this catalyst is the micron ball of nucleocapsid structure, and diameter is 0.9-1.2 μm.
3. the preparation method of the bismoclite of visible-light response type nucleocapsid structure according to claim 2, is characterized in that the volume of ethylene glycol in described step 1 is 20ml.
4. the preparation method of the bismoclite of visible-light response type nucleocapsid structure according to claim 2, is characterized in that the quality of PVP in described step 1 is 5g.
5. the preparation method of the bismoclite of visible-light response type nucleocapsid structure according to claim 2, is characterized in that the pH value to 3 of solution in described step 2.
6. the preparation method of the bismoclite of visible-light response type nucleocapsid structure according to claim 2, is characterized in that in described step 3, reaction temperature is 130 DEG C.
7. the preparation method of the bismoclite of visible-light response type nucleocapsid structure according to claim 2, is characterized in that in described step 3, the reaction time is 6h.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262120A (en) * | 2017-07-11 | 2017-10-20 | 四川理工学院 | The preparation method that a kind of BiOCl surface photovoltages signal is significantly increased |
| CN107399762A (en) * | 2017-09-08 | 2017-11-28 | 济南大学 | A kind of method that bismoclite superthin section is prepared based on electrolyte coagulation magnanimity |
| CN108467062A (en) * | 2018-02-27 | 2018-08-31 | 南京信息工程大学 | A kind of rose-shaped BiOCl and the purposes as electrode material |
| CN109876830A (en) * | 2019-04-04 | 2019-06-14 | 济南大学 | A kind of regulation BiOX (X=Cl, Br, I) the photochemical catalyst preparation of multicomponent solvent and application |
| CN110026245A (en) * | 2019-05-16 | 2019-07-19 | 南京林业大学 | A kind of kernel-shell structure, visible light catalysis material and the preparation method and application thereof |
| CN110294866A (en) * | 2019-06-14 | 2019-10-01 | 常州大学 | A kind of high molecular material laser marking powder of few additive and preparation method thereof |
| CN112957469A (en) * | 2021-02-26 | 2021-06-15 | 广东药科大学 | PH-responsive magnetic nano core-shell drug-loading system and construction method and application thereof |
| CN114405497A (en) * | 2022-01-21 | 2022-04-29 | 辽宁大学 | Three-dimensional flower-shaped Bi @ Sn3O4Schottky junction visible light catalyst and preparation method and application thereof |
| CN116870935A (en) * | 2023-04-27 | 2023-10-13 | 北京理工大学 | Modified bismuth oxychloride photocatalyst and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262120A (en) * | 2017-07-11 | 2017-10-20 | 四川理工学院 | The preparation method that a kind of BiOCl surface photovoltages signal is significantly increased |
| CN107262120B (en) * | 2017-07-11 | 2020-01-31 | 四川理工学院 | Preparation method for remarkably enhancing BiOCl surface photovoltage signals |
| CN107399762A (en) * | 2017-09-08 | 2017-11-28 | 济南大学 | A kind of method that bismoclite superthin section is prepared based on electrolyte coagulation magnanimity |
| CN107399762B (en) * | 2017-09-08 | 2019-09-27 | 济南大学 | A method of bismuth oxychloride superthin section is prepared based on electrolyte coagulation magnanimity |
| CN108467062A (en) * | 2018-02-27 | 2018-08-31 | 南京信息工程大学 | A kind of rose-shaped BiOCl and the purposes as electrode material |
| CN109876830A (en) * | 2019-04-04 | 2019-06-14 | 济南大学 | A kind of regulation BiOX (X=Cl, Br, I) the photochemical catalyst preparation of multicomponent solvent and application |
| CN110026245A (en) * | 2019-05-16 | 2019-07-19 | 南京林业大学 | A kind of kernel-shell structure, visible light catalysis material and the preparation method and application thereof |
| CN110294866A (en) * | 2019-06-14 | 2019-10-01 | 常州大学 | A kind of high molecular material laser marking powder of few additive and preparation method thereof |
| CN110294866B (en) * | 2019-06-14 | 2021-01-29 | 常州大学 | Low-additive-amount high-molecular-material laser marking powder and preparation method thereof |
| CN112957469A (en) * | 2021-02-26 | 2021-06-15 | 广东药科大学 | PH-responsive magnetic nano core-shell drug-loading system and construction method and application thereof |
| CN114405497A (en) * | 2022-01-21 | 2022-04-29 | 辽宁大学 | Three-dimensional flower-shaped Bi @ Sn3O4Schottky junction visible light catalyst and preparation method and application thereof |
| CN116870935A (en) * | 2023-04-27 | 2023-10-13 | 北京理工大学 | Modified bismuth oxychloride photocatalyst and preparation method thereof |
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