CN105772044A - Electrochemical preparation and application method of composite film photocatalyst BiPO4/ BiOCl - Google Patents
Electrochemical preparation and application method of composite film photocatalyst BiPO4/ BiOCl Download PDFInfo
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- CN105772044A CN105772044A CN201610176702.4A CN201610176702A CN105772044A CN 105772044 A CN105772044 A CN 105772044A CN 201610176702 A CN201610176702 A CN 201610176702A CN 105772044 A CN105772044 A CN 105772044A
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- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 title abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 21
- 239000000243 solution Substances 0.000 claims abstract description 16
- 239000008151 electrolyte solution Substances 0.000 claims abstract description 14
- 239000012153 distilled water Substances 0.000 claims abstract description 12
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims abstract description 10
- 235000019796 monopotassium phosphate Nutrition 0.000 claims abstract description 10
- 230000001699 photocatalysis Effects 0.000 claims abstract description 9
- 239000010408 film Substances 0.000 claims description 31
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 21
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 18
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 18
- 229910052797 bismuth Inorganic materials 0.000 claims description 16
- 239000010409 thin film Substances 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 238000006731 degradation reaction Methods 0.000 claims description 12
- 239000010936 titanium Substances 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 230000015556 catabolic process Effects 0.000 claims description 11
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 9
- 235000011164 potassium chloride Nutrition 0.000 claims description 9
- 239000001103 potassium chloride Substances 0.000 claims description 9
- 238000013019 agitation Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 3
- 238000002848 electrochemical method Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 238000013033 photocatalytic degradation reaction Methods 0.000 claims description 3
- 239000010405 anode material Substances 0.000 claims description 2
- 239000010406 cathode material Substances 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 231100000331 toxic Toxicity 0.000 claims description 2
- 230000002588 toxic effect Effects 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000000593 degrading effect Effects 0.000 abstract description 2
- 239000003256 environmental substance Substances 0.000 abstract description 2
- 238000007146 photocatalysis Methods 0.000 abstract description 2
- 239000007836 KH2PO4 Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000011065 in-situ storage Methods 0.000 abstract 1
- 238000003760 magnetic stirring Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000002957 persistent organic pollutant Substances 0.000 abstract 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 12
- 239000003054 catalyst Substances 0.000 description 11
- 230000005518 electrochemistry Effects 0.000 description 7
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 229960004756 ethanol Drugs 0.000 description 5
- 229960000935 dehydrated alcohol Drugs 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/348—Electrochemical processes, e.g. electrochemical deposition or anodisation
-
- 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
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
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Abstract
The invention relates to electrochemical preparation and an application method of a composite film photocatalyst BiPO4/ BiOCl, belonging to the technical field of environmental chemical photocatalytic water treatment. The electrochemical preparation is characterized in that the composite film photocatalyst BiPO4/ BiOCl is synthesized by an electrochemical one-step method under a room temperature condition, wherein synthesis conditions are as follows: a metal Bi plate is taken as an anode, a Ti sheet is taken as a cathode, a water solution prepared by KC1 and KH2PO4 is taken as an electrolyte solution, and the distance between two electrodes is 5-10cm; a reaction is carried out for 2-7 hours by magnetic stirring under a voltage of 2-10V, a BiPO4/ BiOCl composite film having a heterojunction rod-shaped structure and a sheet structure which are connected with each other can be obtained on the surface of the anode Bi plate, and the obtained BiPO4/ BiOCl composite film can be used after being washed by distilled water and being naturally aired. The composite film photocatalyst directly grows on the Bi plate in situ, and the film has strong adhesion with a substrate, so that the problem of dropping off is avoided; furthermore, the preparation technology is simple; the obtained film is good in activity and is suitable for degrading organic pollutants in water or air by photocatalysis.
Description
Technical field
One laminated film photocatalyst BiPO of the present invention4The electrochemistry preparation of/BiOCl and application process, belong to photocatalysis and environmental chemical engineering water-treatment technology field, is specifically related to a kind of with bismuth metal plate for anode, adopts an one-step electrochemistry method to prepare BiPO4The technical scheme of/BiOCl laminated film photocatalyst.
Background technology
In Bi base class photocatalyst, BiOX is by [Bi2O2] photocatalyst with high anisotropy layer structure of layer and free halogen atom composition, this structure can promote the separation in light induced electron and hole and then strengthen photocatalytic activity.But, BiOX in degradation process because light induced electron and hole in conjunction with reducing its catalysis activity, so needing modified BiOX to improve its photocatalytic activity further.By the material compound with other band-gap, it is possible not only to form hetero-junctions to stop the combination of light induced electron and hole, and the synergism of two kinds of materials will be greatly improved the photocatalytic activity of complex.Zhu etc. report the BiPO that monocline is crystalline4Under ultraviolet light organic dyestuff is had and compare TiO2Better degrading activity (CatalysisScience&Technology, 2011,1:1399-1405), and BiPO4There is good mineralization ability when degradation of organic substances.So, by with BiPO4Compound, the activity of BiOX will be enhanced.At present about BiOX and BiPO4Report existing a lot.Such as BiOCl/BiPO4(AppliedSurfaceScience, 2015,340:35-42), BiOBr/BiPO4(MaterialsScienceinSemiconductorProcessing, 2015,38:157-164), BiOI/BiPO4(ChemicalEngineeringJournal,2013,228:482-488；AppliedCatalysisB:Environmental,2015,163:547-553).But, these synthetically prepared products are powder, and due to bad dispersibility, solid-liquid separation is difficult and limits its practical application.Therefore, select suitable method, these are had highly active complex immobilization, will have value in the actualization application aspect solving photocatalyst.And the research about this respect is not reported at present.
Summary of the invention
One laminated film photocatalyst BiPO of the present invention4The electrochemistry preparation of/BiOCl and the purpose of application process are in that: for powder BiPO4The problem that/BiOCl catalyst not easily separates with reaction system, it is proposed to a kind of by BiPO4The immobilized method of/BiOCl, with bismuth plate, potassium chloride, potassium dihydrogen phosphate for raw material, and with bismuth plate for matrix, at room temperature prepares immobilized BiPO by electrochemical method one step4/ BiOCl thin film, this preparation method is simple, raw materials used common is easy to get, and whole process operation is simple, and reaction time is short, it is easy to accomplish large-scale industrial production.Further, the BiPO prepared4/ BiOCl laminated film Pyrogentisinic Acid's solution under ultraviolet light has good photocatalytic degradation capability, and thin film can be recycled.
One laminated film photocatalyst BiPO of the present invention4The electrochemical preparation method of/BiOCl, it is characterised in that be a kind of with bismuth plate, potassium chloride and potassium dihydrogen phosphate for raw material, with bismuth plate for matrix, by BiPO4/ BiOCl immobilization, at room temperature prepares immobilized BiPO by electrochemical method one step4The method of/BiOCl laminated film photocatalyst, its concrete preparation process is:
1) clean with ethanol and distilled water after bismuth plate and titanium sheet being polished, be used separately as anode and cathode material after drying；Potassium chloride and potassium dihydrogen phosphate are dissolved in 100～200mL distilled water, obtain the electrolyte solution that reaction is required；
2) with bismuth plate for anode, titanium sheet is negative electrode, is placed on step 1) in the electrolyte solution prepared；Reacting 2～7h under 2～10V voltage and magnetic agitation, the distance between two electrodes is 5～10cm；
3), after having reacted, BiPO is defined on bismuth plate surface4/ BiOCl thin film, respectively with water and absolute ethanol washing three times, then dries at 40～50 DEG C of temperature, prepares and have BiPO4The double-deck immobilized BiPO with photocatalytic activity that club shaped structure and BiOCl laminated structure connect4/ BiOCl laminated film, this BiPO4/ BiOCl laminated film Pyrogentisinic Acid's solution under ultraviolet light has good photocatalytic degradation capability, and can be recycled.
The application process of the laminated film photocatalyst BiPO4/BiOCl prepared by electrochemical preparation method of above-mentioned a kind of laminated film photocatalyst BiPO4/BiOCl, it is characterized in that prepared BiPO4/BiOCl thin film is applied to degraded Organic substance in water, the particularly Organic substance of the harmful difficult degradation of trace toxic in water, light source used is 365nm ultraviolet light, reaction condition is: normal temperature and pressure, prepared BiPO4/BiOCl thin film is positioned in aqueous organopolysiloxane just to light source, blasts air from reactor bottom.
One laminated film photocatalyst BiPO of the present invention4Prepared by the electrochemistry of/BiOCl and the advantage of application process is: the present invention, by selecting suitable electrode, is prepared suitable electrolyte solution, synthesized by an one-step electrochemistry method and had BiPO4The double-deck immobilized laminated film that club shaped structure and BiOCl laminated structure connect, mild condition, simple, it is not necessary to High Temperature High Pressure and special installation.Specifically can be summarized as:
1) an one-step electrochemistry method is adopted to prepare laminated film photocatalyst BiPO first4/ BiOCl, and use convenient source as reactant, raw material is cheap and easy to get；
2) whole process does not need High Temperature High Pressure, at room temperature just can carry out, and reaction condition is gentle, and preparation time is short, simple；This preparation method is environmentally friendly simultaneously, does not produce harmful side product；
3) powder BiPO is overcome4The deficiency that/BiOCl photocatalyst is not readily separated, after having reacted, catalyst can realize immediately separating with reaction system；
4) because of BiPO4And between BiOCl, form hetero-junctions, improve the photocatalytic activity of film, and solar energy can be utilized fully efficiently, environmental improvement and green energy resource are utilized there is potential value and the repeatable utilization of catalyst.
Accompanying drawing explanation
Fig. 1 is the BiPO of embodiment of the present invention 1 preparation4The XRD figure of/BiOCl laminated film.
Fig. 2 is the BiPO of embodiment of the present invention 1 preparation4The SEM figure of/BiOCl laminated film.
Detailed description of the invention
In order to make technical scheme clearly understand, will be listed below specific embodiments of the present invention, but present disclosure be not limited to the scope of listed illustrative embodiments:
Embodiment 1
Weigh the potassium chloride of 0.05moL and the potassium dihydrogen phosphate of 0.05moL respectively, be dissolved in 100mL distilled water, be configured to electrolyte solution.After bismuth metal plate and titanium sheet being polished, priority ethanol and deionized water clean, dry；With bismuth plate for anode, titanium sheet is negative electrode, is placed in electrolyte solution, reacts 7h when 2V voltage and magnetic agitation.Reaction obtains BiPO at anode after terminating4/ BiOCl composite catalyst film, respectively with after dehydrated alcohol and deionized water wash three times, dries at 40 DEG C in an oven, namely obtains BiPO at anode4/ BiOCl composite catalyst film.
Gained photocatalyst is used for oxidation processes phenol solution.Reaction condition is: under normal temperature and pressure, the phenol solution 50mL of 10mg/L, using institute's made membrane as photocatalyst, reactor bottom blasts air by air pump, take the degradation solution of 3mL at interval of time of 20～30min, test the conversion ratio of phenol with ultraviolet visible spectrophotometry.Degradation results after 180min is in Table 1.
Embodiment 2
Weigh the potassium chloride of 0.05moL and the potassium dihydrogen phosphate of 0.05moL respectively, be dissolved in 100mL distilled water, be configured to electrolyte solution.After bismuth metal plate and titanium sheet being polished, priority ethanol and deionized water clean, dry；With bismuth plate for anode, titanium sheet is negative electrode, is placed in electrolyte solution, reacts 5h when 5V voltage and magnetic agitation.Reaction obtains BiPO at anode after terminating4/ BiOCl composite catalyst film, respectively with after dehydrated alcohol and distilled water wash three times, dries at 40 DEG C in an oven, namely obtains BiPO at anode4/ BiOCl composite catalyst film.
Gained photocatalyst is used for oxidation processes phenol solution.Reaction condition is: under normal temperature and pressure, the phenol solution 50mL of 10mg/L, using institute's made membrane as photocatalyst, reactor bottom blasts air by air pump, take the degradation solution of 3mL at interval of time of 20～30min, test the conversion ratio of phenol with ultraviolet visible spectrophotometry.Degradation results after 180min is in Table 1.
Embodiment 3
Weigh the potassium chloride of 0.05moL and the potassium dihydrogen phosphate of 0.05moL respectively, be dissolved in 100mL distilled water, be configured to electrolyte solution.After bismuth metal plate and titanium sheet being polished, priority ethanol and deionized water clean, dry；With bismuth plate for anode, titanium sheet is negative electrode, is placed in electrolyte solution, reacts 4h when 7V voltage and magnetic agitation.Reaction obtains BiPO at anode after terminating4/ BiOCl composite catalyst film, respectively with after dehydrated alcohol and distilled water wash three times, dries at 40 DEG C in an oven, namely obtains BiPO at anode4/ BiOCl composite catalyst film.
Gained photocatalyst is used for oxidation processes phenol solution.Reaction condition is: under normal temperature and pressure, the phenol solution 50mL of 10mg/L, using institute's made membrane as photocatalyst, reactor bottom blasts air by air pump, take the degradation solution of 3mL at interval of time of 20～30min, test the conversion ratio of phenol with ultraviolet visible spectrophotometry.Degradation results after 180min is in Table 1.
Embodiment 4
Weigh the potassium chloride of 0.05moL and the potassium dihydrogen phosphate of 0.05moL respectively, be dissolved in 100mL distilled water, be configured to electrolyte solution.After bismuth metal plate and titanium sheet being polished, priority ethanol and deionized water clean, dry；With bismuth plate for anode, titanium sheet is negative electrode, is placed in electrolyte solution, reacts 7h when 9V voltage and magnetic agitation.Reaction obtains BiPO at anode after terminating4/ BiOCl composite catalyst film, respectively with after dehydrated alcohol and distilled water wash three times, dries at 40 DEG C in an oven, namely obtains BiPO at anode4/ BiOCl composite catalyst film.
Gained photocatalyst is used for oxidation processes phenol solution.Reaction condition is: under normal temperature and pressure, the phenol solution 50mL of 10mg/L, using institute's made membrane as photocatalyst, reactor bottom blasts air by air pump, take the degradation solution of 3mL at interval of time of 20～30min, test the conversion ratio of phenol with ultraviolet visible spectrophotometry.Degradation results after 180min is in Table 1.
In embodiment of above, medicine and reagent used is analytical pure.
Table 1 is BiPO4/ BiOCl composite photocatalyst thin-film degraded situation under different embodiments.
| Photocatalyst | Conversion ratio/% | |
| Embodiment 1 | BiPO4/ BiOCl thin film | 97% |
| Embodiment 2 | BiPO4/ BiOCl thin film | 98% |
| Embodiment 3 | BiPO4/ BiOCl thin film | 98% |
| Embodiment 4 | BiPO4/ BiOCl thin film | 99% |
Claims (2)
1. a laminated film photocatalyst BiPO4The electrochemical preparation method of/BiOCl, it is characterised in that be a kind of with bismuth plate, potassium chloride and potassium dihydrogen phosphate for raw material, with bismuth plate for matrix, by BiPO4/ BiOCl immobilization, at room temperature prepares immobilized BiPO by electrochemical method one step4The method of/BiOCl laminated film photocatalyst, its concrete preparation process is:
1) clean with ethanol and distilled water after bismuth plate and titanium sheet being polished, be used separately as anode and cathode material after drying；Potassium chloride and potassium dihydrogen phosphate are dissolved in 100 ~ 200mL distilled water, obtain the electrolyte solution that reaction is required；
2) with bismuth plate for anode, titanium sheet is negative electrode, is placed in the electrolyte solution that step 1) is prepared；Reacting 2 ~ 7h under 2 ~ 10V voltage and magnetic agitation, the distance between two electrodes is 5 ~ 10cm；
3), after having reacted, BiPO is defined on bismuth plate surface4/ BiOCl thin film, respectively with water and absolute ethanol washing three times, then dries at 40 ~ 50 DEG C of temperature, prepares and have BiPO4The double-deck immobilized BiPO with photocatalytic activity that club shaped structure and BiOCl laminated structure connect4/ BiOCl laminated film, this BiPO4/ BiOCl laminated film Pyrogentisinic Acid's solution under ultraviolet light has good photocatalytic degradation capability, and can be recycled.
2. adopt claim 1 laminated film photocatalyst BiPO4Laminated film photocatalyst BiPO prepared by the electrochemical preparation method of/BiOCl4The application process of/BiOCl, it is characterised in that by prepared BiPO4/ BiOCl thin film is applied in degraded Organic substance in water, particularly water the Organic substance of the harmful difficult degradation of trace toxic, and light source used is 365nm ultraviolet light, and reaction condition is: normal temperature and pressure, prepared BiPO4/ BiOCl thin film is positioned in aqueous organopolysiloxane just to light source, blasts air from reactor bottom.
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| CN107754832A (en) * | 2017-10-26 | 2018-03-06 | 太原理工大学 | The preparation method of the composite photocatalyst thin-film of phenol in a kind of degradation water |
| CN107803198A (en) * | 2017-10-26 | 2018-03-16 | 太原理工大学 | A kind of electrochemical preparation method of bismuth tungstate photocatalysis film and its application |
| CN108380241A (en) * | 2018-03-27 | 2018-08-10 | 昆明理工大学 | A kind of Z-type photochemical catalyst BiPO4The preparation and its application of/H-ZSM-5/BiOCl |
| CN108745386A (en) * | 2018-04-28 | 2018-11-06 | 广州大学 | A kind of preparation method of BiOX photocatalyst |
| CN110624575A (en) * | 2019-09-20 | 2019-12-31 | 太原理工大学 | BiOBr/Bi12SiO20Electrochemical preparation method and application of composite film photocatalyst |
| CN112588309A (en) * | 2020-12-30 | 2021-04-02 | 四川大学 | P-doped BiOCl visible-light-driven photocatalyst and preparation method thereof |
| US11498854B2 (en) * | 2017-01-18 | 2022-11-15 | Wisconsin Alumni Research Foundation | Bismuth-based chloride-storage electrodes |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11498854B2 (en) * | 2017-01-18 | 2022-11-15 | Wisconsin Alumni Research Foundation | Bismuth-based chloride-storage electrodes |
| CN107754832A (en) * | 2017-10-26 | 2018-03-06 | 太原理工大学 | The preparation method of the composite photocatalyst thin-film of phenol in a kind of degradation water |
| CN107803198A (en) * | 2017-10-26 | 2018-03-16 | 太原理工大学 | A kind of electrochemical preparation method of bismuth tungstate photocatalysis film and its application |
| CN107803198B (en) * | 2017-10-26 | 2021-03-30 | 太原理工大学 | Electrochemical preparation method and application of bismuth tungstate photocatalytic film |
| CN108380241A (en) * | 2018-03-27 | 2018-08-10 | 昆明理工大学 | A kind of Z-type photochemical catalyst BiPO4The preparation and its application of/H-ZSM-5/BiOCl |
| CN108380241B (en) * | 2018-03-27 | 2020-12-22 | 昆明理工大学 | Z-type photocatalyst BiPO4Preparation and application of/H-ZSM-5/BiOCl |
| CN108745386A (en) * | 2018-04-28 | 2018-11-06 | 广州大学 | A kind of preparation method of BiOX photocatalyst |
| CN110624575A (en) * | 2019-09-20 | 2019-12-31 | 太原理工大学 | BiOBr/Bi12SiO20Electrochemical preparation method and application of composite film photocatalyst |
| CN110624575B (en) * | 2019-09-20 | 2022-08-05 | 太原理工大学 | BiOBr/Bi 12 SiO 20 Electrochemical preparation method and application of composite film photocatalyst |
| CN112588309A (en) * | 2020-12-30 | 2021-04-02 | 四川大学 | P-doped BiOCl visible-light-driven photocatalyst and preparation method thereof |
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