CN107029763A - A kind of preparation method of bismuth phosphate/carbon composite photocatalyst - Google Patents
A kind of preparation method of bismuth phosphate/carbon composite photocatalyst Download PDFInfo
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- CN107029763A CN107029763A CN201710386657.XA CN201710386657A CN107029763A CN 107029763 A CN107029763 A CN 107029763A CN 201710386657 A CN201710386657 A CN 201710386657A CN 107029763 A CN107029763 A CN 107029763A
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- bismuth
- carbon composite
- composite photocatalyst
- phytic acid
- bismuth phosphate
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 22
- SFOQXWSZZPWNCL-UHFFFAOYSA-K bismuth;phosphate Chemical compound [Bi+3].[O-]P([O-])([O-])=O SFOQXWSZZPWNCL-UHFFFAOYSA-K 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 6
- IMQLKJBTEOYOSI-GPIVLXJGSA-N Inositol-hexakisphosphate Chemical compound OP(O)(=O)O[C@H]1[C@H](OP(O)(O)=O)[C@@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@H](OP(O)(O)=O)[C@@H]1OP(O)(O)=O IMQLKJBTEOYOSI-GPIVLXJGSA-N 0.000 claims abstract description 20
- IMQLKJBTEOYOSI-UHFFFAOYSA-N Phytic acid Natural products OP(O)(=O)OC1C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C(OP(O)(O)=O)C1OP(O)(O)=O IMQLKJBTEOYOSI-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229940068041 phytic acid Drugs 0.000 claims abstract description 20
- 239000000467 phytic acid Substances 0.000 claims abstract description 20
- 235000002949 phytic acid Nutrition 0.000 claims abstract description 20
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 13
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000001556 precipitation Methods 0.000 claims abstract description 10
- 239000012298 atmosphere Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 239000012153 distilled water Substances 0.000 claims abstract description 6
- 239000011261 inert gas Substances 0.000 claims abstract description 4
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 9
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 7
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 238000013019 agitation Methods 0.000 claims description 5
- PPNKDDZCLDMRHS-UHFFFAOYSA-N dinitrooxybismuthanyl nitrate Chemical class [Bi+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PPNKDDZCLDMRHS-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims 1
- 238000005119 centrifugation Methods 0.000 claims 1
- 229910052698 phosphorus Inorganic materials 0.000 claims 1
- 239000011574 phosphorus Substances 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 abstract description 14
- 238000007146 photocatalysis Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 238000011065 in-situ storage Methods 0.000 abstract description 2
- 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 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 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 description 8
- 229940043267 rhodamine b Drugs 0.000 description 8
- 239000003054 catalyst Substances 0.000 description 6
- 238000005245 sintering Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910002902 BiFeO3 Inorganic materials 0.000 description 3
- 229910002915 BiVO4 Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 230000019552 anatomical structure morphogenesis Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 150000001621 bismuth Chemical class 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- CXKWCBBOMKCUKX-UHFFFAOYSA-M methylene blue Chemical compound [Cl-].C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 CXKWCBBOMKCUKX-UHFFFAOYSA-M 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 239000002073 nanorod Substances 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000004753 textile Substances 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
- 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
- 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
- B01J27/16—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr
- B01J27/18—Phosphorus; Compounds thereof containing oxygen, i.e. acids, anhydrides and their derivates with N, S, B or halogens without carriers or on carriers based on C, Si, Al or Zr; also salts of Si, Al and Zr with metals other than Al or Zr
- B01J27/1802—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates
- B01J27/1815—Salts or mixtures of anhydrides with compounds of other metals than V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, e.g. phosphates, thiophosphates with arsenic, antimony or bismuth
-
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
A kind of preparation method of bismuth phosphate/carbon composite photocatalyst is provided the invention discloses a kind of.First Phytic acid bismuth is prepared using the precipitation method：Take a certain amount of bismuth nitrate to be dissolved in 500mL distilled water, adding nitric acid makes it complete dissolving, add a certain amount of phytic acid, the white Phytic acid bismuth precipitation of production.In-situ carburization in an inert atmosphere again：Dried sample is sintered 1 10h hours for 350 700 DEG C in inert gas atmosphere stove, bismuth phosphate/carbon composite photocatalyst is obtained after cooling.This method is easy to operate, mild condition, yield high, and prepared bismuth phosphate/carbon composite photocatalyst improves the absorption of visible ray, the separative efficiency of quantity of photogenerated charge, so as to improve its photocatalysis performance.
Description
Technical field
The technical field of the invention is photocatalysis, optical electro-chemistry field of material technology, and more particularly to bismuth phosphate/carbon is combined
The exploitation of photochemical catalyst and preparation method.
Background technology
Novel bismuth based photocatalyst not only has the ability of the photocatalytic degradation organic matter under Uv and visible light irradiation, and
And with good photoelectric conversion capacity and very high photochemical stability, such as BiVO4、BiPMo12O40、BiFeO3、BiPO4Deng.
Due to BiVO4With narrow energy gap (2.4eV), the visible ray in ultraviolet/visible light spectrum can be directly absorbed, because
And paid close attention to by people, there is research in terms of decomposition water hydrogen making and degradable organic pollutant and apply.
BiFeO3It is a kind of catalysis material of multiferroic, its energy gap is less than 2.0eV, compares BiVO4Energy gap (2.4eV)
It is also narrow, it is very suitable for absorbing visible ray, BiFeO3Also therefore the research emphasis of people is become.BiPO is synthesized using hydro-thermal method4
Nano-rod photo-catalyst has the advantages that its morphogenesis can be controlled.BiPO4The draw ratio of nanometer rods is bigger, and size is smaller,
Its photocatalytic activity is stronger.BiPO4Crystal formation it is different, its photocatalytic activity is also different, and the photocatalytic activity of its monoclinic phase compares six
Square phase it is strong.BiPO4The energy gap of photochemical catalyst is 3.85eV, in terms of degradation of methylene blue, BiPO4The light of photochemical catalyst
Catalytic efficiency is TiO2Twice of photochemical catalyst.
Phytic acid is widely used in as antioxidant, antistaling agent, chelating agent, anticorrosive metal agent, protein coagulating agent etc.
Food industry, daily-use chemical industry, medicine, textile industry, intermetallic composite coating are with protecting the fields such as industry, plastics industry and Polymeric Industry to work as
In.Phytic acid has extremely strong complexing power to most metal ion, and complexing power is more similar to EDTA, but has than EDTA
Wider application.Phytic acid can produce qualitative precipitation with metal salt more than divalence.It is anti-by phytic acid and bismuth salt precipitation
Phytic acid bismuth should be generated, then carries out in-situ sintering carbon reduction, bismuth phosphate/carbon composite photocatalyst is built, improves bismuth phosphate photocatalysis
Agent is to the absorption of visible ray, the separative efficiency of quantity of photogenerated charge, so as to improve its photocatalysis performance.Wish that its performance protruded can be with
There is actual application in photocatalysis field, effectively solve the problems, such as present social environmental pollution.
The content of the invention
It is an object of the invention to provide a kind of preparation method of bismuth phosphate/carbon composite photocatalyst, this method is easy to operate,
Mild condition, yield are high, and prepared bismuth phosphate/carbon composite photocatalyst has very high photocatalytic activity.
Concretely comprise the following steps：
(1) claim 0.01mol g bismuth nitrates to be dissolved in 500mL distilled water, add 5mL 6mol/L strong acid solution,
Magnetic agitation is heated at 10-50 DEG C, is completely dissolved to crystal, adds 0.5-10g phytic acid, continues to stir 15min.Stand 3h,
It is then centrifuged for separation.White Phytic acid bismuth precipitation put in drying box to that 4h is dried at 60 DEG C is standby.
(2) dried sample is being sintered 1-10h hours in atmosphere furnace, 350-700 DEG C of temperature range, after cooling
To bismuth phosphate/carbon composite photocatalyst.
Strong acid described in step (1) is one kind in sulfuric acid, nitric acid；
The protection gas of atmosphere furnace in step (2) is argon gas, nitrogen inert gas.
The chemical reagent purity is chemical pure above purity.
Phytic acid bismuth of the present invention forms bismuth phosphate/carbon composite photocatalyst material after sintering at a certain temperature.Using it is ultraviolet/can
See that near infrared spectrometer is measured the absorption to visible ray of bismuth phosphate/carbon composite photocatalyst and is remarkably reinforced, in argon gas,
The BiPO sintered at 650 DEG C4Preferably, carbon is uniformly distributed the crystallinity of/C photocatalysis composites in crystal, the addition of carbon
Be conducive to improving the electrical conductivity of photochemical catalyst with bismuth phosphate formation hetero-junctions, be conducive to the separation of electron hole pair.Therefore,
BiPO4/ C composite photo-catalysts are dirty in environmental pollution such as degradation of dye, photocatalysis treatment as a kind of visible light-responded material
There is very big application potential in terms of water, solar cell.
Brief description of the drawings
Fig. 1 is the BiPO of different temperatures sintering in argon gas prepared by the embodiment of the present invention 14XRD.
Fig. 2 is the different enlargement ratio SEM figures that the embodiment of the present invention 1 prepares the sample sintered in argon gas at 650 DEG C.
Fig. 3 is the ultraviolet/visible absorption spectra figure of 1 four kinds of samples of the embodiment of the present invention.
Fig. 4 is sample photocatalytic degradation rhodamine B curve map prepared by the embodiment of the present invention 1.
Embodiment
Embodiment 1：
(1) Phytic acid bismuth is prepared using the precipitation method：Claim 0.01mol g bismuth nitrates to be dissolved in 500mL distilled water, add 20mL
6mol/L salpeter solution, magnetic agitation to crystal is completely dissolved at 40 DEG C, adds 2g phytic acid, continues to stir 15min.It is quiet
3h is put, separation is then centrifuged for.White Phytic acid bismuth precipitation put in drying box to that 4h is dried at 60 DEG C is standby.(2) inert gas Central Plains
Position carbonization：Dried sample is sintered 4h hours for 500 DEG C in argon gas atmosphere stove, bismuth phosphate/carbon complex light is obtained after cooling
Catalyst.
The evaluation of photocatalysis performance：50mg composite photo-catalysts are added to the rhodamine B of the 20mg/L equipped with 50mL
In quartz ampoule, sample wants lucifuge in ultrasonic disperse 15min, ultrasonic procedure.Magnet rotor is put into afterwards, is put into photochemical reaction
In instrument.Low temperature coolant recirculation pump is opened, less than 5 DEG C are reduced the temperature to, reactor is opened, is entered with 1000W high-pressure sodium lamp
Row irradiation, samples once, then carries out control comparisons with rhodamine B standard liquid, measure moment Luo Dan at regular intervals
Bright B residual concentration, continues to measure, and treats the degradable rhodamine B of various samples, the time of record rhodamine B degraded.Phosphoric acid
The time of bismuth/carbon composite photocatalyst rhodamine B degradation is 40min, is greatly reduced compared with bismuth phosphate (100min), and at 650 DEG C
The BiPO of sintering4The photocatalysis performance (35min) of/C photocatalysis composites is best.
Embodiment 2：
(1) claim 0.01mol g bismuth nitrates to be dissolved in 500mL distilled water, add 10mL 6mol/L sulfuric acid solution,
Magnetic agitation to crystal is completely dissolved at 40 DEG C, adds 3g phytic acid, continues to stir 15min.3h is stood, separation is then centrifuged for.
White Phytic acid bismuth precipitation put in drying box to that 4h is dried at 60 DEG C is standby.(2) by dried sample 650 in argon gas atmosphere stove
DEG C sintering 2h hours, bismuth phosphate/carbon composite photocatalyst is obtained after cooling.The bismuth phosphate of synthesis/carbon composite photocatalyst degraded
The time of rhodamine B is 40min.
Embodiment 3：
(1) claim 0.01mol g bismuth nitrates to be dissolved in 500mL distilled water, add 10mL 6mol/L salpeter solution,
Magnetic agitation to crystal is completely dissolved at 40 DEG C, adds 3g phytic acid, continues to stir 15min.3h is stood, separation is then centrifuged for.
White Phytic acid bismuth precipitation put in drying box to that 4h is dried at 60 DEG C is standby.(2) by dried sample 700 in nitrogen atmosphere stove
DEG C sintering 2h hours, bismuth phosphate/carbon composite photocatalyst is obtained after cooling.The bismuth phosphate of synthesis/carbon composite photocatalyst degraded
The time of rhodamine B is 45min.
Claims (1)
1. a kind of preparation of bismuth phosphate/carbon composite photocatalyst, it is characterised in that concretely comprise the following steps：
(1) claim 0.01mol g bismuth nitrates to be dissolved in 500mL distilled water, 5-40mL 6mol/L strong acid solution is added, in 10-
Magnetic agitation is heated at 50 DEG C, is completely dissolved to crystal, adds 0.5-10g phytic acid, continues to stir 15min.Stand 3h, centrifugation
Separation.It is standby that obtained white Phytic acid bismuth precipitation is placed in drying box at 60 DEG C dry 4h.
(2) dried sample is being sintered 1-10h hours in atmosphere furnace, 350-700 DEG C of temperature range obtains phosphorus after cooling
Sour bismuth/carbon composite photocatalyst.
Strong acid described in step (1) is one kind in sulfuric acid, nitric acid；
The protection gas of atmosphere furnace in step (2) is argon gas, nitrogen inert gas.
The chemical reagent purity is chemical pure above purity.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110144025A (en) * | 2019-05-20 | 2019-08-20 | 中国科学院长春应用化学研究所 | A kind of preparation method of rare earth catalyst and its application in diolefin polymerization and combined polymerization |
| CN111097476A (en) * | 2019-12-31 | 2020-05-05 | 刘奇 | Composite photocatalytic material with high-efficiency photocatalytic activity and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110144025A (en) * | 2019-05-20 | 2019-08-20 | 中国科学院长春应用化学研究所 | A kind of preparation method of rare earth catalyst and its application in diolefin polymerization and combined polymerization |
| CN111097476A (en) * | 2019-12-31 | 2020-05-05 | 刘奇 | Composite photocatalytic material with high-efficiency photocatalytic activity and preparation method thereof |
| CN111097476B (en) * | 2019-12-31 | 2020-12-08 | 乐清市风杰电子科技有限公司 | Composite photocatalytic material with high-efficiency photocatalytic activity and preparation method thereof |
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