CN107098429A - A kind of BiVO4/BiPO4Composite and its preparation method and application - Google Patents
A kind of BiVO4/BiPO4Composite and its preparation method and application Download PDFInfo
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- CN107098429A CN107098429A CN201710237515.7A CN201710237515A CN107098429A CN 107098429 A CN107098429 A CN 107098429A CN 201710237515 A CN201710237515 A CN 201710237515A CN 107098429 A CN107098429 A CN 107098429A
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- 229910002915 BiVO4 Inorganic materials 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 12
- 229960000282 metronidazole Drugs 0.000 claims abstract description 11
- VAOCPAMSLUNLGC-UHFFFAOYSA-N metronidazole Chemical compound CC1=NC=C([N+]([O-])=O)N1CCO VAOCPAMSLUNLGC-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000011065 in-situ storage Methods 0.000 claims abstract description 8
- 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 7
- 229940043267 rhodamine b Drugs 0.000 claims abstract description 7
- 238000013033 photocatalytic degradation reaction Methods 0.000 claims abstract description 6
- 239000002105 nanoparticle Substances 0.000 claims abstract description 4
- 239000002351 wastewater Substances 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 22
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000013019 agitation Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 6
- AJPJDKMHJJGVTQ-UHFFFAOYSA-M sodium dihydrogen phosphate Chemical compound [Na+].OP(O)([O-])=O AJPJDKMHJJGVTQ-UHFFFAOYSA-M 0.000 claims description 6
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910003206 NH4VO3 Inorganic materials 0.000 claims description 5
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000005119 centrifugation Methods 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 4
- 239000012153 distilled water Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002244 precipitate Substances 0.000 claims description 2
- 230000015556 catabolic process Effects 0.000 abstract description 14
- 238000006731 degradation reaction Methods 0.000 abstract description 14
- 230000008901 benefit Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 abstract description 4
- 239000000975 dye Substances 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 239000000654 additive Substances 0.000 abstract description 2
- 230000000996 additive effect Effects 0.000 abstract description 2
- 230000003115 biocidal effect Effects 0.000 abstract description 2
- 238000003837 high-temperature calcination Methods 0.000 abstract description 2
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 239000002114 nanocomposite Substances 0.000 abstract description 2
- 239000002073 nanorod Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 230000001699 photocatalysis Effects 0.000 description 7
- 238000007146 photocatalysis Methods 0.000 description 5
- PPNKDDZCLDMRHS-UHFFFAOYSA-N dinitrooxybismuthanyl nitrate Chemical compound [Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PPNKDDZCLDMRHS-UHFFFAOYSA-N 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000005580 one pot reaction Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- YZEUHQHUFTYLPH-UHFFFAOYSA-N 2-nitroimidazole Chemical compound [O-][N+](=O)C1=NC=CN1 YZEUHQHUFTYLPH-UHFFFAOYSA-N 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- SFOQXWSZZPWNCL-UHFFFAOYSA-K bismuth;phosphate Chemical compound [Bi+3].[O-]P([O-])([O-])=O SFOQXWSZZPWNCL-UHFFFAOYSA-K 0.000 description 1
- -1 bismuthino Chemical group 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000004298 light response Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007777 multifunctional material Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B01J35/39—
-
- 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
- B01J27/195—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with vanadium, niobium or tantalum
- B01J27/198—Vanadium
-
- 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
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
-
- 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
- C02F2101/38—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
-
- 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
Abstract
The invention discloses a kind of BiVO4/BiPO4Composite and its preparation method and application, belongs to the synthesis technical field of nano composite material.Technical scheme main points are：A kind of BiVO4/BiPO4Composite, wherein monoclinic phase BiVO4Nano particle in situ is deposited on solitary stone-type structure BiPO4Nanorod surfaces, BiVO4With BiPO4Mol ratio be 0.1 0.5:1.The invention also discloses the BiVO4/BiPO4The preparation method of composite and its application in photocatalytic degradation rhodamine B or metronidazole waste water solution.The preparation process of the present invention need not add any template and additive, without high-temperature calcination, and building-up process technique is simple, is adapted to large-scale production, be expected to produce good social and economic benefit, under visible light illumination, BiVO produced by the present invention4/BiPO4Composite has stronger degradation capability to colored dyes and colourless antibiotic, with universality.
Description
Technical field
The invention belongs to the synthesis technical field of nano composite material, and in particular to a kind of BiVO4/BiPO4Composite and
Its preparation method and application.
Background technology
In terms of environmental pollution and energy crisis is solved, conductor photocatalysis has pollution-free and low power consumption and other advantages, is
Physics, chemistry, the study hotspot of environment and energy field.The raising of photochemical catalyst efficiency and activity is the key of photocatalysis research
One of problem in science.The photochemical catalyst of one pack system is difficult effectively to utilize ultraviolet light and visible ray simultaneously, and photo-generated carrier
Recombination probability is high, limits its photocatalytic activity.
It is used as a kind of typical bismuthino multifunctional material, BiPO4Property is stable, in ion sensor, organic catalysis and radiation
The field extensive applications such as the co-deposited synthesis of property element, its photocatalytic activity just causes concern recently.BiPO4There is monocline type
（mMBIP）, solitary stone-type（nMBIP）With six squares（HBIP）Three kinds of phase structures, wherein solitary stone-type BiPO4Photocatalytic activity
It is best.Research finds BiPO4The photocatalytic activity higher than P25 is shown to multiple pollutant degraded, but due to a width of
3.85eV, BiPO4Only to ultraviolet light response, it is seen that photocatalysis performance is not high.
Monoclinic phase pucherite（m-BiVO4）Band gap be 2.4eV, have outstanding visible light-responded, conduction band and valence band location
Suitably, water and degradation of contaminant can be catalytically decomposed under visible ray or sunshine irradiation.However, pure BiVO4Adsorption capacity it is poor
And electron-hole pair separation is difficult, so pure BiVO4Catalytic activity it is not high.
For the advantage and disadvantage of two kinds of catalysis materials, by its In-situ reaction formation heterojunction structure, two kinds of materials are played excellent
The complementary synergy of gesture, can spread spectrum response range can make carrier directional transmissions using built in field again, promote electric
Son-hole is efficiently separated, so as to improve photocatalysis efficiency.Wu and Lin are utilized respectively co-precipitation hydro-thermal method and have synthesized BiVO4/
BiPO4Composite, the ability of their degraded colored dyes is stronger than one-component.However, being exchanged by acid ion in situ
Prepare BiVO4/BiPO4Composite has no report at present.
The content of the invention
The present invention for solve bismuth phosphate visible light catalysis activity is not high separate hardly possible with pucherite photo-generated carrier the problem of and
There is provided a kind of BiVO4/BiPO4Composite and preparation method thereof, the preparation method technique is simple and converted in-situ, effectively carries
The spectral response range and photocatalytic degradation efficiency of high material, obtained BiVO4/BiPO4Composite can be urged applied to light
Change in rhodamine B degradation or metronidazole waste water solution.
It is of the invention to adopt the following technical scheme that to achieve the above object, a kind of BiVO4/BiPO4The preparation side of composite
Method, it is characterised in that concretely comprise the following steps：
Step（1）, hydro-thermal reaction preparation BiPO4Material, by Bi (NO3)3•5H2O, which is dissolved in ethylene glycol, forms solution A, will
NaH2PO4·2H2O, which is dissolved in distilled water, forms solution B, and solution B is added drop-wise in solution A under magnetic agitation and forms white precipitate,
Continue that turbid solution is transferred in autoclave after stirring 30min, be placed in baking oven and be heated to 180-200 DEG C of hydro-thermal reaction 8-
16h obtains BiPO4Material；
Step（2）, acid group centrifugation exchange system is for BiVO4/BiPO4Composite, by step（1）Obtained BiPO4Material is added to
It is dissolved with NH4VO3The aqueous solution in, mixed solution is transferred in autoclave after magnetic agitation 30min, is placed in baking oven
Be heated to 180-200 DEG C of isothermal reaction 8-16h, after reaction terminates, question response kettle naturally cools to room temperature, be collected by centrifugation precipitation,
Wash, be dried to obtain BiVO4/BiPO4Composite.
Further preferably, step（1）Described in Bi (NO3)3•5H2O and NaH2PO4•2H2O mol ratio is 1:1.
Further preferably, step（2）Described in NH4VO3With BiPO4Mol ratio be 0.1-0.5:1.
Further preferably, step（2）Obtained BiVO4/BiPO4Monoclinic phase BiVO in composite4Nano particle in situ sinks
Product is in solitary stone-type structure BiPO4Nanorod surfaces, BiVO4With BiPO4Mol ratio be 0.1-0.5:1.
BiVO of the present invention4/BiPO4Composite, it is characterised in that prepared by the above method.
BiVO of the present invention4/BiPO4Composite is in photocatalytic degradation rhodamine B or metronidazole waste water solution
Using.
The present invention has the advantages that compared with prior art：
1st, BiVO produced by the present invention4/BiPO4Composite, which has, contacts good interface, beneficial to photo-generated carrier preferably
Separation, catalytic activity is significantly improved than one-component；
2nd, under visible light illumination, BiVO produced by the present invention4/BiPO4Composite has to colored dyes and colourless antibiotic
Stronger degradation capability, with universality；
3rd, preparation process of the invention need not add any template and additive, without high-temperature calcination, the letter of building-up process technique
It is single, it is adapted to large-scale production, is expected to produce good social and economic benefit.
Brief description of the drawings
Fig. 1 is BiPO made from the embodiment of the present invention 14The SEM photograph of material；
Fig. 2 is BiVO made from the embodiment of the present invention 24/BiPO4The SEM photograph of composite；
Fig. 3 is BiVO4、BiPO4And BiVO4/BiPO4The XRD spectrum of composite；
Fig. 4 is BiVO4、BiPO4And BiVO4/BiPO4The DRS collection of illustrative plates of composite；
Fig. 5 is degradation effect figure of the different materials to rhodamine B under radiation of visible light；
Fig. 6 is degradation effect figure of the different materials to metronidazole under radiation of visible light.
Embodiment
The above to the present invention is described in further details by the following examples, but this should not be interpreted as to this
The scope for inventing above-mentioned theme is only limitted to following embodiment, and all technologies realized based on the above of the present invention belong to this hair
Bright scope.
Embodiment 1
BiPO4The preparation of material
（1）Weigh 1.213g（2.5mmol）Bi(NO3)3•5H2O, which is dissolved in 5mL ethylene glycol, forms solution A, weighs 0.3900g
（2.5mmol）NaH2PO4·2H2O, which is dissolved in 45mL distilled water, forms solution B, is slowly dropped to solution B under magnetic agitation molten
In liquid A, continuing stirring 1h is well mixed it；
（2）Gained turbid solution is transferred in 100mL polytetrafluoroethyllining lining autoclaves, is placed in baking oven and heats after sealing
To 180 DEG C of isothermal reaction 12h, after reaction terminates, reactor is naturally cooled to room temperature, centrifuge and collect precipitation, washing, very
Sky is dried to obtain BiPO4Material.
Fig. 1 is pure BiPO made from the present embodiment4The SEM of material schemes, as can be seen from Fig. pure BiPO4Material is surface light
Sliding parallelogram square brick.
Embodiment 2
BiVO4/BiPO4The preparation of composite
（1）Weigh 0.2280g（0.75mmol）BiPO made from embodiment 14Material, which is added to, is dissolved with 0.0293g
（0.25mmol）NH4VO3The 30mL aqueous solution in, magnetic agitation 30min make its be well mixed；
（2）By step（1）The mixed solution of formation is transferred in 50mL polytetrafluoroethyllining lining autoclaves, is placed in baking oven
180 DEG C of isothermal reaction 12h are heated to, reaction makes reactor naturally cool to room temperature after terminating, centrifuge and collect precipitation, wash
Wash, vacuum drying obtains BiVO4/BiPO4Composite（Wherein BiVO4With BiPO4Mol ratio be 1:3）.
Fig. 2 is that BiPO is made in the present embodiment4/BiVO4The SEM of composite schemes, as can be seen from Fig. BiPO4Nano brick is molten
Solution diminishes, BiVO4Nano particle is in its Surface Creation.
Fig. 3 is BiVO4、BiPO4And BiVO4/BiPO4The XRD spectrum of composite, as seen from the figure BiVO4/BiPO4It is compound
There is solitary stone-type BiPO simultaneously in material4With monoclinic phase BiVO4Characteristic diffraction peak, it was demonstrated that ion exchange is successfully generated monocline
Phase BiVO4。
Fig. 4 is BiPO4、BiVO4And BiPO4/BiVO4The diffusing reflection spectrum of composite, as can be seen from Fig. pure BiPO4With
BiVO4Absorption band edge respectively near 320nm and 550nm, BiPO4/BiVO4The absorption band edge of composite is attached in 550nm
Closely, with pure BiPO4Compared to can more effectively utilize sunshine.
Embodiment 3
Photocatalytic degradation rhodamine B
Using 500W xenon lamps as light source, the filter plate for being equipped with 420nm obtains visible ray, prevent wavelength be less than 420nm light from
Pass through, ultraviolet light interference can be effectively prevented from.Light source is cooled using recirculated cooling water, reaction is carried out under isoperibol.
By 50mg BiPO4/BiVO4Composite is dispersed in the quartz test tube for filling that 50mL concentration is the 10mg/L RhB aqueous solution
In, it is placed in 2h in dark and reaches that adsorption-desorption is balanced.Light source is opened, 4mL samples are taken after illumination at regular intervals, through height
Speed takes supernatant liquor after centrifuging, and RhB change in concentration is determined with ultraviolet-visible spectrophotometer.
Fig. 5 is that different materials are to RhB degradation efficiency figure under radiation of visible light, BiPO as seen from the figure4/BiVO4It is compound
Material is than pure BiPO4And BiVO4Photocatalysis efficiency is significantly improved, and 98% has been reached to RhB degradation rate in 6h.
Embodiment 4
Photocatalytic degradation metronidazole
The operating procedure of embodiment 3 is repeated, difference is to degrade target for metronidazole（Metronidazole, MNZ）, its
It is 5mg/L, a length of 319nm of maximum absorption wave to play concentration.
Metronidazole is a kind of clinical conventional nitroimidazole antibiotics, while being also commonly used for feed addictive.Its is readily soluble
Yu Shui, difficult for biological degradation, traditional sewage water treatment method is difficult to remove it, and has resulted in multimedium contamination hazard.Fig. 6 is different
The degradation efficiency figure of material under visible light illumination to metronidazole.In the presence of no photochemical catalyst, MNZ's is about from degradation rate
10%, with pure BiPO4And BiVO4Sample is contrasted, BiVO4/BiPO4Composite is presented in enhanced degrading activity, 6h to MNZ's
Degradation rate reaches 69%.
Comparative example 1
One pot synthesis synthesizes BiVO4/BiPO4Composite
（1）By 0.5mmol NH4VO3With 1.5mmol NaH2PO4•2H2O is dissolved in 45mL water and forms solution A；（2）Will
2.0mmol Bi(NO3)3•5H2O is added in 5mL ethylene glycol, magnetic agitation 30min to Bi (NO3)3•5H2O is completely dissolved to be formed
Solution B；（3）Solution A is slowly dropped in solution B to obtain emulsion under magnetic agitation, be transferred in 100mL autoclaves in
180 DEG C of isothermal reaction 12h obtain BiVO4/BiPO4Composite.As made from the method for embodiment 3 and 4 uses the present embodiment respectively
BiVO4/BiPO4It is respectively 85% He to RhB and MNZ degradation rate in composite catalytic degradation rhodamine B and metronidazole, 6h
63%。
The catalytic effect of target product obtained by two methods is contrasted, the property of target product is made in acid ion exchange process in situ
One-pot operation can be substantially better than, this is due to that the hetero-junctions that in situ ion-exchange method is obtained has the good interface area of contact
Domain, enables more orderly light induced electron and hole, orientation and efficiently separates and shift.
Embodiment above describes general principle, principal character and the advantage of the present invention, the technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, under the scope for not departing from the principle of the invention, various changes and modifications of the present invention are possible, and these changes and improvements are each fallen within
In the scope of protection of the invention.
Claims (6)
1. a kind of BiVO4/BiPO4The preparation method of composite, it is characterised in that concretely comprise the following steps：
Step（1）, hydro-thermal reaction preparation BiPO4Material, by Bi (NO3)3•5H2O, which is dissolved in ethylene glycol, forms solution A, will
NaH2PO4·2H2O, which is dissolved in distilled water, forms solution B, and solution B is added drop-wise in solution A under magnetic agitation and forms white precipitate,
Continue that turbid solution is transferred in autoclave after stirring 30min, be placed in baking oven and be heated to 180-200 DEG C of hydro-thermal reaction 8-
16h obtains BiPO4Material；
Step（2）, acid group centrifugation exchange system is for BiVO4/BiPO4Composite, by step（1）Obtained BiPO4Material is added to
It is dissolved with NH4VO3The aqueous solution in, mixed solution is transferred in autoclave after magnetic agitation 30min, is placed in baking oven
Be heated to 180-200 DEG C of isothermal reaction 8-16h, after reaction terminates, question response kettle naturally cools to room temperature, be collected by centrifugation precipitation,
Wash, be dried to obtain BiVO4/BiPO4Composite.
2. BiVO according to claim 14/BiPO4The preparation method of composite, it is characterised in that：Step（1）Middle institute
Bi (the NO stated3)3•5H2O and NaH2PO4•2H2O mol ratio is 1:1.
3. BiVO according to claim 14/BiPO4The preparation method of composite, it is characterised in that：Step（2）Middle institute
The NH stated4VO3With BiPO4Mol ratio be 0.1-0.5:1.
4. BiVO according to claim 14/BiPO4The preparation method of composite, it is characterised in that：Step（2）Obtain
BiVO4/BiPO4Monoclinic phase BiVO in composite4Nano particle in situ is deposited on solitary stone-type structure BiPO4Nanometer rods table
Face, BiVO4With BiPO4Mol ratio be 0.1-0.5:1.
5. a kind of BiVO4/BiPO4Composite, it is characterised in that be as the method system described in any one in claim 1-4
For what is obtained.
6. the BiVO described in claim 54/BiPO4Composite is in photocatalytic degradation rhodamine B or metronidazole waste water solution
Application.
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| CN201710237515.7A CN107098429B (en) | 2017-04-12 | 2017-04-12 | BiVO4/BiPO4Composite material and preparation method and application thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126718A (en) * | 2017-12-25 | 2018-06-08 | 江苏大学 | A kind of In2S3/BiPO4The preparation method and applications of heterojunction photocatalyst |
| CN110227557A (en) * | 2019-05-20 | 2019-09-13 | 湖南大学 | Silver orthophosphate and the pucherite Three-element composite photocatalyst of polyaniline modified synergic and its preparation method and application |
| CN110614103A (en) * | 2019-09-26 | 2019-12-27 | 黄冈师范学院 | Microwave synthesis method of bismuth vanadate and bismuth phosphate compound visible-light-driven photocatalyst |
| CN111871405A (en) * | 2020-07-23 | 2020-11-03 | 南昌航空大学 | Method for efficiently degrading dye wastewater by utilizing light in cooperation with piezoelectric catalysis |
| CN116870920A (en) * | 2023-09-07 | 2023-10-13 | 内蒙古工业大学 | Preparation method and application of cuprous oxide-vanadium dioxide/vanadium pentoxide photocatalyst |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004024936A (en) * | 2002-06-21 | 2004-01-29 | Japan Science & Technology Corp | New synthetic method for fine powder of visible light-responsive bismuth vanadate, photocatalyst of fine powder of new visible light-responsive bismuth vanadate and cleaning method using the same |
| CN103212404A (en) * | 2013-04-22 | 2013-07-24 | 长安大学 | Method for preparing bismuth vanadate-bismuth tungstate heterojunction photocatalyst by ultrasonic method |
| CN104607218A (en) * | 2015-01-07 | 2015-05-13 | 延安大学 | Composite silver bromide-bismuth phosphate heterojunction photocatalytic material and preparation method thereof |
| CN104998665A (en) * | 2015-07-09 | 2015-10-28 | 三峡大学 | Preparation method and application of BiVO4-BiOBr photocatalyst |
| CN105268438A (en) * | 2015-11-17 | 2016-01-27 | 中国科学院海洋研究所 | Plasma compound photocatalyst and preparation method and application thereof |
| RU2014151070A (en) * | 2014-12-16 | 2016-07-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Дальневосточный государственный университет путей сообщения" (ДВГУПС) | A method of obtaining a photocatalyst based on alkaline earth metal bismuthate and a method for purifying water from organic pollutants by a photocatalyst |
| CN105749942A (en) * | 2016-03-21 | 2016-07-13 | 河南师范大学 | Bitter-gourd-like BiVO4/BiPO4 heterojunction photocatalytic material as well as preparation method and application thereof |
| CN106076432A (en) * | 2016-06-06 | 2016-11-09 | 东华大学 | A kind of textile fabric/Graphene/BiVO4/ BiPO4the preparation method of combinational environment catalysis material |
-
2017
- 2017-04-12 CN CN201710237515.7A patent/CN107098429B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004024936A (en) * | 2002-06-21 | 2004-01-29 | Japan Science & Technology Corp | New synthetic method for fine powder of visible light-responsive bismuth vanadate, photocatalyst of fine powder of new visible light-responsive bismuth vanadate and cleaning method using the same |
| CN103212404A (en) * | 2013-04-22 | 2013-07-24 | 长安大学 | Method for preparing bismuth vanadate-bismuth tungstate heterojunction photocatalyst by ultrasonic method |
| RU2014151070A (en) * | 2014-12-16 | 2016-07-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Дальневосточный государственный университет путей сообщения" (ДВГУПС) | A method of obtaining a photocatalyst based on alkaline earth metal bismuthate and a method for purifying water from organic pollutants by a photocatalyst |
| CN104607218A (en) * | 2015-01-07 | 2015-05-13 | 延安大学 | Composite silver bromide-bismuth phosphate heterojunction photocatalytic material and preparation method thereof |
| CN104998665A (en) * | 2015-07-09 | 2015-10-28 | 三峡大学 | Preparation method and application of BiVO4-BiOBr photocatalyst |
| CN105268438A (en) * | 2015-11-17 | 2016-01-27 | 中国科学院海洋研究所 | Plasma compound photocatalyst and preparation method and application thereof |
| CN105749942A (en) * | 2016-03-21 | 2016-07-13 | 河南师范大学 | Bitter-gourd-like BiVO4/BiPO4 heterojunction photocatalytic material as well as preparation method and application thereof |
| CN106076432A (en) * | 2016-06-06 | 2016-11-09 | 东华大学 | A kind of textile fabric/Graphene/BiVO4/ BiPO4the preparation method of combinational environment catalysis material |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126718A (en) * | 2017-12-25 | 2018-06-08 | 江苏大学 | A kind of In2S3/BiPO4The preparation method and applications of heterojunction photocatalyst |
| CN110227557A (en) * | 2019-05-20 | 2019-09-13 | 湖南大学 | Silver orthophosphate and the pucherite Three-element composite photocatalyst of polyaniline modified synergic and its preparation method and application |
| CN110227557B (en) * | 2019-05-20 | 2021-04-20 | 湖南大学 | Silver phosphate and polyaniline synergistically modified bismuth vanadate ternary composite photocatalyst and preparation method and application thereof |
| CN110614103A (en) * | 2019-09-26 | 2019-12-27 | 黄冈师范学院 | Microwave synthesis method of bismuth vanadate and bismuth phosphate compound visible-light-driven photocatalyst |
| CN111871405A (en) * | 2020-07-23 | 2020-11-03 | 南昌航空大学 | Method for efficiently degrading dye wastewater by utilizing light in cooperation with piezoelectric catalysis |
| CN116870920A (en) * | 2023-09-07 | 2023-10-13 | 内蒙古工业大学 | Preparation method and application of cuprous oxide-vanadium dioxide/vanadium pentoxide photocatalyst |
| CN116870920B (en) * | 2023-09-07 | 2023-11-21 | 内蒙古工业大学 | Preparation method and application of cuprous oxide-vanadium dioxide/vanadium pentoxide photocatalyst |
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