CN106861698B - A kind of preparation method and applications of iron titanate tiny balloon - Google Patents
A kind of preparation method and applications of iron titanate tiny balloon Download PDFInfo
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- CN106861698B CN106861698B CN201710114811.8A CN201710114811A CN106861698B CN 106861698 B CN106861698 B CN 106861698B CN 201710114811 A CN201710114811 A CN 201710114811A CN 106861698 B CN106861698 B CN 106861698B
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- JCDAAXRCMMPNBO-UHFFFAOYSA-N iron(3+);oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Ti+4].[Fe+3].[Fe+3] JCDAAXRCMMPNBO-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 11
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims abstract description 10
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims abstract description 10
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011941 photocatalyst Substances 0.000 claims abstract description 4
- 239000002957 persistent organic pollutant Substances 0.000 claims abstract description 3
- 239000010865 sewage Substances 0.000 claims abstract description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 28
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 28
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 18
- 238000003756 stirring Methods 0.000 claims description 13
- 239000000243 solution Substances 0.000 claims description 11
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 9
- 239000011259 mixed solution Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 6
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims description 5
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 claims description 3
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 claims description 3
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 claims description 2
- PLZVEHJLHYMBBY-UHFFFAOYSA-N Tetradecylamine Chemical compound CCCCCCCCCCCCCCN PLZVEHJLHYMBBY-UHFFFAOYSA-N 0.000 claims description 2
- 239000012065 filter cake Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- -1 isopropyl Ester Chemical class 0.000 claims 1
- 229910003079 TiO5 Inorganic materials 0.000 abstract description 19
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 238000000975 co-precipitation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000000809 air pollutant Substances 0.000 abstract 1
- 230000000593 degrading effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 230000001699 photocatalysis Effects 0.000 description 16
- 239000003054 catalyst Substances 0.000 description 14
- 238000007146 photocatalysis Methods 0.000 description 14
- KAESVJOAVNADME-UHFFFAOYSA-N Pyrrole Chemical compound C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 238000005119 centrifugation Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000001291 vacuum drying Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 239000011805 ball Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000012512 characterization method Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 1
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 239000011806 microball Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000015843 photosynthesis, light reaction Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 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 1
- 229940043267 rhodamine b Drugs 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003980 solgel method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/74—Iron group metals
- B01J23/745—Iron
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
-
- B01J35/39—
-
- B01J35/51—
-
- 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
Abstract
The invention discloses a kind of preparation methods of iron titanate tiny balloon, using anhydrous ferric chloride and isopropyl titanate as raw material using coloured powder body material made from coprecipitation, by conditions such as control template carbon chain lengths, template agent concentration, maturing temperatures, the Fe with visible Intensity response can be made2TiO5Tiny balloon.The invention not only further solves traditional Fe2TiO5The lower limitation of powder photocatalyst sun light utilization ratio, also simplifies preparation process, reduces production cost.Fe produced by the present invention2TiO5Tiny balloon can be applied to processing sewage, purification air and organic pollutant difficult to degrade etc. of degrading, and have tremendous economic effect and social benefit.
Description
Technical field
The invention belongs to inorganic field of photocatalytic material, are related to a kind of iron titanate photocatalysis material of visible light intensity responsiveness
A kind of material, and in particular to preparation method and applications of iron titanate tiny balloon.
Background technique
TiO is reported from Japanese scholars Fujishima in 1972 etc.2After electrode photocatalysis solution water hydrogen manufacturing research, with nanometer
Semiconductor Powder becomes the hot spot of the research of scholars as the research in terms of photochemical catalyst catalytic degradation organic pollutant.Its
In, TiO2Because its stable chemistry and optical property, nonhazardous, prepare it is simple and it is cheap for due to become the light of most study
Catalyst.But due to TiO2Photochemical catalyst greater band gap (3.2 eV), the factors such as quantum efficiency is low, how narrow TiO2Forbidden band
Width expands its absorption spectrum to visible light and reduces the recombination rate of photo-generate electron-hole to be that photocatalysis field is urgently to be resolved
One of problem.
Numerous researchers are using different methods to TiO2Photochemical catalyst is modified research, the results showed that transition metal from
Son doping is one of the effective ways for improving its photocatalysis performance, wherein about Fe3+Doping research it is more.Yan Pengfei etc. passes through
Experimental study Fe2O3 doping TiO2After find, TiO2The compound reduction of electron-hole pair, photocatalysis efficiency improve；Liu Qingju et al. is adopted
Fe2O3 doping nano-TiO is prepared with sol-gel method2Photochemical catalyst can efficiently drop methylene blue under common fluorescent lamp
Solution.But the photochemical catalyst of these methods preparation is at high cost, complicated for operation and low yield, and heat, mechanical property are also extremely unstable.
The native metal element overwhelming majority in perovskite structure is that stable, new multicomponent Ca-Ti ore type is compound
Oxide can be formed by replacing or adulterating A or B, thus have stable physical and chemical performance.Its photocatalysis
Performance can be greatly improved, but basic change does not occur for overall structure.Research finds iron titanate photochemical catalyst, possesses
The wavelength of the band gap of 2.58-2.9eV, exciting light is matched with visible light.Compared with other photochemical catalysts, iron titanate has efficient
Visible light-responded range and more active site, possess better catalytic performance, photolysis water hydrogen may be implemented, light is urged
Change sterilization, nitrogen dioxide reduction, the organic matter of photocatalytic degradation various structures and cost is relatively low as photochemical catalyst has huge
Economic benefits and social benefit.
The iron titanate reported at present is mostly with the presence of solid powder.Since the penetration capacity of light is weak, is easily scattered, caused
The iron titanate of this solid construction is lower to the utilization efficiency of light.Since ball wall is relatively thin, light can be penetrated effectively tiny balloon, and
It can use the rescattering of light, to efficiently utilize luminous energy.But it there are no the report of hollow iron titanate microballoon.
In view of the deficiencies of the prior art, the present invention provides it is a kind of can efficiently using luminous energy iron titanate photochemical catalyst and it is low at
Originally, preparation method simple to operation, is of great significance.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of iron titanate tiny balloon, are urged with solving current iron titanate light
The problem of agent light utilization efficiency is low, at high cost, complicated for operation and low yield, another object of the present invention is to produced by the present invention
Heat, stable mechanical property when iron titanate tiny balloon photocatalyst.
The present invention is achieved by the following technical solutions:
A kind of preparation method of iron titanate tiny balloon, comprising the following steps:
Step 1 takes anhydrous ferric chloride to be dissolved in dehydrated alcohol, and isopropyl titanate is taken to be dissolved in dehydrated alcohol, to respectively complete
After dissolution, after 8~12h is mixed in two kinds of solution, it is added with stirring pyridine；
Step 2 weighs templating solvent and is dissolved in dehydrated alcohol, after being completely dissolved, is added drop-wise to the resulting mixed liquor of step 1
In, it is stirred when being added dropwise；
Step 3, it is cooled by the resulting mixed solution of step 2 at 150 DEG C~200 DEG C after 45~50h of hydrothermal crystallizing
Filter, filter cake with dehydrated alcohol wash at 2~4 times, 35 DEG C~45 DEG C be dried in vacuo after, pulverize, mistake 500 meshes；
Powder made from step 3 is roasted 5~8h by step 4 at 500 DEG C~800 DEG C, and it is hollow micro- that iron titanate is made
Ball, chemical formula Fe2TiO5。
The isopropyl titanate: anhydrous ferric chloride: the molar ratio of templating solvent is 1:2:1~2.
The pyridine dosage is Cl in solution—2~3 times.
The templating solvent is in n-octyl amine, lauryl amine, tetradecylamine, hexadecylamine and octadecylamine
It is a kind of.
Further improvement of the present invention scheme are as follows:
Iron titanate tiny balloon obtained is as photocatalyst applications in processing sewage, purification air and the organic dirt of degradation
Contaminate object.
The present invention intends utilizing this special ABO of iron titanate by preparing iron titanate using coprecipitation3Type Ca-Ti ore type
Composite oxides change experiment condition from the carbochain length and dosage of template and three aspects of maturing temperature, are made
Fe2TiO5, provide a kind of AnBOmNovel Ca-Ti ore type catalysis material, the material is in UV light region and visible light region
Inside there is preferable photocatalysis performance.
The invention has the benefit that
1、Fe2TiO5As a kind of visible light-responded catalysis material, absorption optical wavelength range is wider, has visible light
Strong responsiveness, sun light utilization efficiency are higher.
2, the Fe prepared by the present invention2TiO5Photochemical catalyst is tiny balloon, small in size, and particle is uniform, and stability is preferable,
Large specific surface area, micropore needed for heterocatalysis can be met and surface characteristics, while contact of the iron titanate with pollutant is increased,
Improve photocatalysis efficiency and photocatalytic speed.
3, the Fe prepared by the present invention2TiO5Microballoon has special hollow structure, and light can penetrate its shell, and micro-
Ball interior shell occurs part and reflects, and increases the utilization rate of light, further increases photocatalysis efficiency.
4, Fe of the present invention2TiO5Tiny balloon preparation method is simple, and cost is relatively low.
Detailed description of the invention
Fig. 1 is Fe made from embodiment 12TiO5The scanning electron microscope (SEM) photograph of tiny balloon.
Fig. 2 is Fe made from embodiment 12TiO5The XRD characterization figure of tiny balloon.
Fig. 3 is Fe made from embodiment 12TiO5Tiny balloon, Fe2O3、TiO2, solid Fe2TiO5Photocatalysis performance table
Sign figure, when characterization, on the basis of the degradation rate to rhodamine B solution, as can be seen from the figure with time illumination after, in photocatalysis
In the identical situation of agent dosage, Fe is used2TiO5The sample carryover amount of tiny balloon photochemical catalyst is minimum, so Fe2TiO5It is hollow
The photocatalysis performance of microballoon is best.
Fe made from embodiment 2~52TiO5Fe made from tiny balloon photocatalysis performance and embodiment 12TiO5It is hollow micro-
It is ball seemingly, in the identical situation of photochemical catalyst dosage, Fe2TiO5The sample carryover amount of tiny balloon photochemical catalyst is most
It is few, Fe2TiO5The photocatalysis performance of tiny balloon be it is best, therefore, the present invention do not list one by one its Characterization of Its Photocatalytic Activity song
Line.
Specific embodiment
Embodiment 1
(1) it weighs 0.4867g anhydrous ferric chloride to be dissolved in 9mL dehydrated alcohol, the isopropyl titanate for weighing 0.8527g is dissolved in
In 10mL dehydrated alcohol, after being respectively completely dissolved, 12h is mixed in both solution.1.5mL pyrrole is added under stirring
Pyridine.
(2) it weighs 1.4488g hexadecylamine to be dissolved in 12mL dehydrated alcohol, until completely dissolved, in the state of stirring
Under, it is drop by drop slowly added into step (1) resulting mixed liquor.
(3) cooling by step (2) resulting mixed solution hydrothermal crystallizing 48h at 180 DEG C, centrifugation is washed with dehydrated alcohol
It washs three times, 40 DEG C of vacuum drying pulverize, cross 500 meshes.
(4) by 800 DEG C of roasting 6h of powder made from step (3), powdery product is obtained.
Embodiment 2
(1) it weighs 0.4867g anhydrous ferric chloride to be dissolved in 9mL dehydrated alcohol, the isopropyl titanate for weighing 0.8527g is dissolved in
In 10mL dehydrated alcohol, after being respectively completely dissolved, 12h is mixed in both solution.1.5mL pyrrole is added under stirring
Pyridine.
(2) 0.555g lauryl amine is weighed to be dissolved in 5mL dehydrated alcohol, until completely dissolved, while stirring,
It is drop by drop slowly added into step (1) resulting mixed liquor.
(3) cooling by step (2) resulting mixed solution hydrothermal crystallizing 50h at 150 DEG C, centrifugation is washed with dehydrated alcohol
It washs, 40 DEG C of vacuum drying pulverize, cross 500 meshes.
(4) by 500 DEG C of roasting 8h of powder made from step (3), powdery product is obtained.
Embodiment 3
(1) it weighs 0.4867g anhydrous ferric chloride to be dissolved in 9mL dehydrated alcohol, the isopropyl titanate for weighing 0.8527g is dissolved in
In 10mL dehydrated alcohol, after being respectively completely dissolved, 12h is mixed in both solution.1.5mL pyrrole is added under stirring
Pyridine.
(2) 0.7754g n-octyl amine is weighed to be dissolved in 6mL dehydrated alcohol, until completely dissolved, while stirring, one
It drips and is slowly added into step (1) resulting mixed liquor.
(3) cooling by step (2) resulting mixed solution hydrothermal crystallizing 45h at 200 DEG C, centrifugation is washed with dehydrated alcohol
It washs, 40 DEG C of vacuum drying pulverize, cross 500 meshes.
(4) by 800 DEG C of roasting 6h of powder made from step (3), powdery product is obtained.
Embodiment 4
(1) it weighs 0.4867g anhydrous ferric chloride to be dissolved in 9mL dehydrated alcohol, the isopropyl titanate for weighing 0.8527g is dissolved in
In 10mL dehydrated alcohol, after being respectively completely dissolved, 12h is mixed in both solution.1.5mL pyrrole is added under stirring
Pyridine.
(2) it weighs 0.2780g lauryl amine to be dissolved in 5mL dehydrated alcohol, until completely dissolved, in the state of stirring
Under, it is drop by drop slowly added into step (1) resulting mixed liquor.
(3) cooling by step (2) resulting mixed solution hydrothermal crystallizing 48h at 180 DEG C, centrifugation is washed with dehydrated alcohol
It washs, 40 DEG C of vacuum drying pulverize, cross 500 meshes.
(4) by 500 DEG C of roasting 6h of powder made from step (3), powdery product is obtained.
Embodiment 5
(1) it weighs 0.4867g anhydrous ferric chloride to be dissolved in 9mL dehydrated alcohol, the isopropyl titanate for weighing 0.8527g is dissolved in
In 10mL dehydrated alcohol, after being respectively completely dissolved, 12h is mixed in both solution.1.5mL pyrrole is added under stirring
Pyridine.
(2) it weighs 1.1121g lauryl amine to be dissolved in 10mL dehydrated alcohol, until completely dissolved, in the state of stirring
Under, it is drop by drop slowly added into step (1) resulting mixed liquor.
(3) cooling by step (2) resulting mixed solution hydrothermal crystallizing 48h at 180 DEG C, centrifugation is washed with dehydrated alcohol
It washs, 40 DEG C of vacuum drying pulverize, cross 500 meshes.
(4) by 600 DEG C of roasting 6h of powder made from step (3), powdery product is obtained.
Claims (5)
1. a kind of preparation method of iron titanate tiny balloon, which comprises the following steps:
Step 1 takes anhydrous ferric chloride to be dissolved in dehydrated alcohol, and isopropyl titanate is taken to be dissolved in dehydrated alcohol, to respectively be completely dissolved
Afterwards, after 8~12h being mixed in two kinds of solution, it is added with stirring pyridine；
Step 2 weighs templating solvent and is dissolved in dehydrated alcohol, after being completely dissolved, is added drop-wise in the resulting mixed liquor of step 1, side
Side stirring is added dropwise；
Step 3, by the resulting mixed solution of step 2 at 150 DEG C~200 DEG C after 45~50h of hydrothermal crystallizing, cold filtration,
Filter cake with dehydrated alcohol wash at 2~4 times, 35 DEG C~45 DEG C be dried in vacuo after, pulverize, cross 500 meshes；
Powder made from step 3 is roasted 5~8h by step 4 at 500 DEG C~800 DEG C, and iron titanate tiny balloon is made.
2. a kind of preparation method of iron titanate tiny balloon according to claim 1, it is characterised in that: the metatitanic acid isopropyl
Ester: anhydrous ferric chloride: the molar ratio of templating solvent is 1:2:1~2.
3. a kind of preparation method of iron titanate tiny balloon according to claim 1, it is characterised in that: the pyridine dosage
For Cl in solution—2~3 times.
4. a kind of preparation method of iron titanate tiny balloon according to claim 1 or 2, it is characterised in that: the template
Solvent is one of n-octyl amine, lauryl amine, tetradecylamine, hexadecylamine and octadecylamine.
5. iron titanate tiny balloon made from preparation method according to claim 1 as photocatalyst applications in processing sewage,
Purify air and degradable organic pollutant.
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| CN104226291A (en) * | 2014-09-12 | 2014-12-24 | 湖北师范学院 | Method for synthesizing TiO2/C hollow composite microspheres by hydro-thermal process |
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| CN104226291A (en) * | 2014-09-12 | 2014-12-24 | 湖北师范学院 | Method for synthesizing TiO2/C hollow composite microspheres by hydro-thermal process |
Non-Patent Citations (1)
| Title |
|---|
| Hydrothermal grown nanoporous iron based titanate, Fe2TiO5 for light driven water splitting;Prince Saurabh Bassi, et al.;《ACS Applied Materials & Interfaces》;20141124;第6卷;第22490-22495页 |
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