CN105797707A - Method for preparing mesoporous titanic acid lanthanum zinc photocatalyst - Google Patents
Method for preparing mesoporous titanic acid lanthanum zinc photocatalyst Download PDFInfo
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- CN105797707A CN105797707A CN201610229206.0A CN201610229206A CN105797707A CN 105797707 A CN105797707 A CN 105797707A CN 201610229206 A CN201610229206 A CN 201610229206A CN 105797707 A CN105797707 A CN 105797707A
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 23
- ASFLJDMPHLYHLV-UHFFFAOYSA-N lanthanum zinc Chemical compound [Zn].[Zn].[Zn].[Zn].[Zn].[La] ASFLJDMPHLYHLV-UHFFFAOYSA-N 0.000 title abstract 2
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 title abstract 2
- 239000000843 powder Substances 0.000 claims abstract description 28
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000001354 calcination Methods 0.000 claims abstract description 19
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000010992 reflux Methods 0.000 claims abstract description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N isopropyl alcohol Natural products CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 8
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 7
- FYDKNKUEBJQCCN-UHFFFAOYSA-N lanthanum(3+);trinitrate Chemical compound [La+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O FYDKNKUEBJQCCN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004246 zinc acetate Substances 0.000 claims abstract description 7
- USFZMSVCRYTOJT-UHFFFAOYSA-N Ammonium acetate Chemical compound N.CC(O)=O USFZMSVCRYTOJT-UHFFFAOYSA-N 0.000 claims abstract description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229960000583 acetic acid Drugs 0.000 claims abstract description 6
- 235000019257 ammonium acetate Nutrition 0.000 claims abstract description 6
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000005695 Ammonium acetate Substances 0.000 claims abstract description 4
- 229940043376 ammonium acetate Drugs 0.000 claims abstract description 4
- 239000002243 precursor Substances 0.000 claims description 28
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 27
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 20
- 229910052725 zinc Inorganic materials 0.000 claims description 20
- 239000011701 zinc Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 229910052573 porcelain Inorganic materials 0.000 claims description 15
- 239000004570 mortar (masonry) Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 238000003760 magnetic stirring Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 6
- 238000001879 gelation Methods 0.000 claims description 6
- 229960000935 dehydrated alcohol Drugs 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 5
- 229960003511 macrogol Drugs 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000003643 water by type Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 abstract description 4
- -1 titanic acid isopropanol ester Chemical class 0.000 abstract description 2
- 239000002202 Polyethylene glycol Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000008367 deionised water Substances 0.000 abstract 1
- 229910021641 deionized water Inorganic materials 0.000 abstract 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 1
- 229920001223 polyethylene glycol Polymers 0.000 abstract 1
- 239000012704 polymeric precursor Substances 0.000 abstract 1
- 230000008569 process Effects 0.000 description 9
- 150000001768 cations Chemical class 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000001699 photocatalysis Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000695 excitation spectrum Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 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
- B01J23/10—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of rare earths
-
- B01J35/39—
-
- B01J35/64—
Abstract
The invention discloses a method for preparing a mesoporous titanic acid lanthanum zinc photocatalyst.The method comprises the first step of polymeric precursor solution preparation, wherein n-butyl alcohol, absolute ethyl alcohol, glycol, titanic acid isopropanol ester, polyethylene glycol 2000 and a guiding agent AP-3 are added into a flask, a solution 1 is formed after heating reflux, deionized water, ammonium acetate, lanthanum nitrate, zinc acetate and glacial acetic acid are added into a beaker to prepare a solution 2, the solution 2 is added into the solution 1, and after heating reflux, a transparent solution is formed; the second step of gelatinization, wherein the transparent solution is stirred at the temperature of 50 DEG C to form gel; the third step of heat treatment, wherein the gel is dried and dewatered and then is ground into powder, the powder is put into a programmable electric box furnace, the temperature is raised to the calcination temperature at the rate of 2-10 DEG C/min, the calcination temperature is kept for 3-10 h, after cooling, the powder is ground, and the photocatalyst is obtained.
Description
Technical field:
The present invention relates to a kind of surrounding purifying material, for a kind of method preparing mesoporous lanthanium titanate zinc photocatalyst.
Background technology:
Photocatalysis oxidation technique causes the concern of many scholars and enterprise in the research of nearly half a century in past, it is possible to the catalysis material being applied to large-scale industrial production is the research emphasis in this field.Although titanium oxide is presently the most successful catalysis material, more materials based on titanium-containing compound also emerge in an endless stream in this field.Titanate has good heat stability and the most suitable energy gap, becomes a current rich potential class novel photocatalysis material.But, such material often has bigger crystallite dimension, low specific surface area and high electron-hole recombination rate and makes its photocatalytic degradation capability not ideal enough.
Titanate has different crystal structures and PhotoelectrochemicalProperties Properties because its cation is different, and including single metal cation and composition metal cation two types, the difference outstanding behaviours of character is in the selection to excitation spectrum absorption region.What research at present was relatively more is the titanate material using the major element such as rare earth element and alkaline earth as single cation, research to bimetallic cationic titanium hydrochlorate is short of the most very much, is the most not yet related to use rare earth and transition elements to prepare the report of titanate as bimetallic cation.
Generally require high-temperature heat treatment process owing to preparing titanate, it will usually cause particle agglomeration growth in prepared material, have a strong impact on its activity and use characteristic.And owing to lacking hole in material, absorbability to environmental pollutants is more weak, and then causes its photocatalytic activity also restrained.This patent discloses a kind of method preparing mesoporous lanthanium titanate zinc photocatalyst, prepares the bimetallic cation lanthanium titanate zinc photocatalyst rich in meso-hole structure by solution synthesis and heat treatment process.
Summary of the invention:
The problem existed for prior art, it is desirable to provide a kind of method preparing mesoporous lanthanium titanate zinc photocatalyst.
The technical solution used in the present invention is:
A kind of method preparing mesoporous lanthanium titanate zinc photocatalyst, including following processing step:
Step 1: prepared by precursor solution
Step 1.1: add 10 ~ 20 mL n-butyl alcohol, 15 ~ 20 mL dehydrated alcohol and 3 ~ 6 mL ethylene glycol in 100 mL round-bottomed flasks, flask is placed in constant temperature electric heating bag, it is heated to reflux 30 min at 35 DEG C, it is subsequently added 3 ~ 5 mL metatitanic acid isopropyl alcohol esters, 0.5 ~ 2 mL Macrogol 2000,0.3 ~ 1 mL directed agents AP-3, continues to be heated to reflux 60 min and forms precursor solution 1；
Step 1.2: add 15 ~ 18 mL deionized waters in 100 mL beakers, add 0.5 ~ 1.6 g ammonium acetate, 0.6 ~ 0.9 g Lanthanum (III) nitrate and 0.4 ~ 0.7
G zinc acetate, stirs 20 min to forming clear solution on magnetic stirring apparatus, is eventually adding 1 ~ 7 mL glacial acetic acid regulation solution ph between 2-5, forms precursor solution 2；
Step 1.3: precursor solution 2 is added in the flask being placed with precursor solution 1, be heated to reflux 20 min at 35 DEG C, form final clear solution；
Step 2: gelation
Clear solution in flask step 1.3 obtained is poured in 200 mL beakers, is placed in magnetic-mixing constant temperature water bath boiler by beaker, forms gel after stirring 50 ~ 120 min at 50 DEG C；
Step 3: heat treatment
Step 3.1: be placed in electrically heated drying cabinet by the gel obtained by step 2, at 105 ~ 125 DEG C of dry 10-15
H reaches to be dehydrated completely, after taking-up in porcelain mortar grind into powder, powder diameter scope is 0.1 ~ 2 μm；
Step 3.2: powder is transferred in 50 mL porcelain crucibles, and is positioned in program control cabinet-type electric furnace；
Step 3.3: start to rise to calcining heat with the heating rate of 2 ~ 10 DEG C/min from room temperature, described calcining heat is 700 ~ 1000
DEG C, and keep calcining heat 3 ~ 10 h；Being cooled down by material after calcining, after being cooled to room temperature, grind into powder in porcelain mortar again, powder diameter scope is 0.1 ~ 2
μm, can be prepared by mesoporous lanthanium titanate zinc photocatalyst.
Compared with prior art, it is an advantage of the current invention that:
The bimetallic cation lanthanium titanate zinc photocatalyst rich in meso-hole structure is prepared by solution synthesis and heat treatment process.By precursor solution formula is formed and the optimization of preparation condition, main component in presoma is made uniformly to be coated with growth according to pore former and the shape of directed agents and guide in solution building-up process, and by being condensed and the spacial framework of formation rule in gel process, then remove the pore former content of cladding by heat treatment process and then form the mesoporous lanthanium titanate zinc photocatalyst of even aperture distribution.Owing to component compatibility each in precursor solution is good, preparation technology is novel, can control the pore-size distribution of material, grain shape and grain size grading as required.
This material processes for light catalytic purifying to environmental pollutants.The technical problem underlying of the present invention be solve precursor solution prepare, gelation and heat treatment process, to obtain the environmental improvement material of excellent performance.Select metatitanic acid isopropyl alcohol ester, Lanthanum (III) nitrate, zinc acetate and mixed organic solvents as presoma main component, by gel and heat treatment process, prepare the bimetallic cation mesoporous lanthanium titanate zinc photocatalyst of even aperture distribution.The inventive method preparation technology is simple and clear, synthesis condition has repeatability, strong mechanical property, and the photochemical catalytic oxidation that may be used for environmental contaminants is administered, and has broad application prospects in terms of environmental improvement.
Detailed description of the invention:
Embodiment 1
A kind of method preparing mesoporous lanthanium titanate zinc photocatalyst, including following processing step:
Step 1: prepared by precursor solution
Step 1.1: add 10 mL n-butyl alcohol, 15 mL dehydrated alcohol and 3 mL ethylene glycol in 100 mL round-bottomed flasks, flask is placed in constant temperature electric heating bag, it is heated to reflux 30 min at 35 DEG C, it is subsequently added 3 mL metatitanic acid isopropyl alcohol esters, 0.7 mL Macrogol 2000,0.4 mL directed agents AP-3, continues to be heated to reflux 60 min and forms precursor solution 1;
Step 1.2: add 15 mL deionized waters in 100 mL beakers, add 0.7 g ammonium acetate, 0.6 g Lanthanum (III) nitrate and 0.4 g zinc acetate, magnetic stirring apparatus stirs 20 min to forming clear solution, be eventually adding 1 ~ 7 mL glacial acetic acid regulation solution ph between 2-5, formed precursor solution 2;
Step 1.3: precursor solution 2 is added in the flask being placed with precursor solution 1, be heated to reflux 20 min at 35 DEG C, form final clear solution;
Step 2: gelation
Clear solution in flask step 1.3 obtained is poured in 200 mL beakers, is placed in magnetic-mixing constant temperature water bath boiler by beaker, forms gel after stirring 50 ~ 120 min at 50 DEG C;
Step 3: heat treatment
Step 3.1: be placed in electrically heated drying cabinet by the gel obtained by step 2, at 105 ~ 125 DEG C of dry 10-15
H reaches to be dehydrated completely, after taking-up in porcelain mortar grind into powder, powder diameter scope is 0.1 ~ 2 μm.
Step 3.2: powder is transferred to 50 mL porcelain crucibles, and is positioned in program control cabinet-type electric furnace.
Step 3.3: starting the heating rate with 3 DEG C/min from room temperature and heat treatment temperature rises to calcining heat, and keep calcining heat 5 h, described calcining heat is between 700 ~ 1000 DEG C.After material is cooled to room temperature, grind into powder in porcelain mortar again, powder diameter scope is 0.1 ~ 2
μm, can be prepared by mesoporous lanthanium titanate zinc photocatalyst.
It is 200 revs/min that the rotating speed of the magnetic stirring apparatus described in the present embodiment can all be selected.
Embodiment 2
A kind of method preparing mesoporous lanthanium titanate zinc photocatalyst, including following processing step:
Step 1: prepared by precursor solution
Step 1.1: add 15 mL n-butyl alcohol, 18 mL dehydrated alcohol and 5 mL ethylene glycol in 100 mL round-bottomed flasks, flask is placed in constant temperature electric heating bag, it is heated to reflux 30 min at 35 DEG C, it is subsequently added 3.8 mL metatitanic acid isopropyl alcohol esters, 1.1 mL Macrogol 2000s, 0.6 mL directed agents AP-3, continues to be heated to reflux 60 min and forms precursor solution 1.
Step 1.2: add 16 mL deionized waters in 100 mL beakers, add 1.2 g ammonium acetates, 0.7 g Lanthanum (III) nitrate and 0.5 g zinc acetate, magnetic stirring apparatus stirs 20 min to forming clear solution, be eventually adding 1 ~ 7 mL glacial acetic acid regulation solution ph between 2-5, formed precursor solution 2.
Step 1.3: precursor solution 2 is added in the flask being placed with precursor solution 1, be heated to reflux 20 min at 35 DEG C, form final clear solution.
Step 2: gelation
Clear solution in flask step 1.3 obtained is poured in 200 mL beakers, is placed in magnetic-mixing constant temperature water bath boiler by beaker, forms gel after stirring 50 ~ 120 min at 50 DEG C.
Step 3: heat treatment
Step 3.1: be placed in electrically heated drying cabinet by the gel obtained by step 2, at 105 ~ 125 DEG C of dry 10-15
H reaches to be dehydrated completely, after taking-up in porcelain mortar grind into powder, powder diameter scope is 0.1 ~ 2 μm.
Step 3.2: powder is transferred to 50 mL porcelain crucibles, and is positioned in program control cabinet-type electric furnace.
Step 3.3: starting the heating rate with 10 DEG C/min from room temperature and heat treatment temperature rises to calcining heat, and keep calcining heat 10 h, described calcining heat is between 700 ~ 1000 DEG C.After material is cooled to room temperature, grind into powder in porcelain mortar again, powder diameter scope is 0.1 ~ 2
μm, can be prepared by mesoporous lanthanium titanate zinc photocatalyst.
It is 200 revs/min that the rotating speed of the magnetic stirring apparatus described in the present embodiment can all be selected.
Embodiment 3
A kind of method preparing mesoporous lanthanium titanate zinc photocatalyst, including following processing step:
Step 1: prepared by precursor solution
Step 1.1: add 20 mL n-butyl alcohol, 20 mL dehydrated alcohol and 6 mL ethylene glycol in 100 mL round-bottomed flasks, flask is placed in constant temperature electric heating bag, it is heated to reflux 30 min at 35 DEG C, it is subsequently added 5 mL metatitanic acid isopropyl alcohol esters, 1.9 mL Macrogol 2000s, 0.9 mL directed agents AP-3, continues to be heated to reflux 60 min and forms precursor solution 1.
Step 1.2: add 18 mL deionized waters in 100 mL beakers, add 1.5 g ammonium acetates, 0.9 g Lanthanum (III) nitrate and 0.7 g zinc acetate, magnetic stirring apparatus stirs 20 min to forming clear solution, be eventually adding 1 ~ 7 mL glacial acetic acid regulation solution ph between 2-5, formed precursor solution 2.
Step 1.3: precursor solution 2 is added in the flask being placed with precursor solution 1, be heated to reflux 20 min at 35 DEG C, form final clear solution.
Step 2: gelation
Clear solution in flask step 1.3 obtained is poured in 200 mL beakers, is placed in magnetic-mixing constant temperature water bath boiler by beaker, forms gel after stirring 50 ~ 120 min at 50 DEG C.
Step 3: heat treatment
Step 3.1: be placed in electrically heated drying cabinet by the gel obtained by step 2, at 105 ~ 125 DEG C of dry 10-15
H reaches to be dehydrated completely, after taking-up in porcelain mortar grind into powder, powder diameter scope is 0.1 ~ 2 μm.
Step 3.2: powder is transferred to 50 mL porcelain crucibles, and is positioned in program control cabinet-type electric furnace.
Step 3.3: starting the heating rate with 3 DEG C/min from room temperature and heat treatment temperature rises to calcining heat, and keep calcining heat 5 h, described calcining heat is between 700 ~ 1000 DEG C.After material is cooled to room temperature, grind into powder in porcelain mortar again, powder diameter scope is 0.1 ~ 2
μm, can be prepared by mesoporous lanthanium titanate zinc photocatalyst.
It is 200 revs/min that the rotating speed of the magnetic stirring apparatus described in the present embodiment can all be selected.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent transformation utilizing description of the invention content to be made, or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in the scope of patent protection of the present invention.
Claims (3)
1. the method preparing mesoporous lanthanium titanate zinc photocatalyst, it is characterised in that comprise the following steps that:
Step 1: prepared by precursor solution
Step 1.1: add 10 ~ 20 mL n-butyl alcohol, 15 ~ 20 mL dehydrated alcohol and 3 ~ 6 mL ethylene glycol in 100 mL round-bottomed flasks, flask is placed in constant temperature electric heating bag, it is heated to reflux 30 min at 35 DEG C, it is subsequently added 3 ~ 5 mL metatitanic acid isopropyl alcohol esters, 0.5 ~ 2 mL Macrogol 2000,0.3 ~ 1 mL directed agents AP-3, continues to be heated to reflux 60 min and forms precursor solution 1；
Step 1.2: add 15 ~ 18 mL deionized waters in 100 mL beakers, add 0.5 ~ 1.6 g ammonium acetate, 0.6 ~ 0.9 g Lanthanum (III) nitrate and 0.4 ~ 0.7
G zinc acetate, stirs 20 on magnetic stirring apparatus
Min, to forming clear solution, is eventually adding 1 ~ 7
ML glacial acetic acid regulation solution ph, between 2-5, forms precursor solution 2；
Step 1.3: precursor solution 2 is added in the flask being placed with precursor solution 1, be heated to reflux 20 min at 35 DEG C, form final clear solution；
Step 2: gelation
Clear solution in flask step 1.3 obtained is poured in 200 mL beakers, is placed in magnetic-mixing constant temperature water bath boiler by beaker, forms gel after stirring 50 ~ 120 min at 50 DEG C；
Step 3: heat treatment
Step 3.1: be placed in electrically heated drying cabinet by the gel obtained by step 2, reaches to be dehydrated completely at 105 ~ 125 DEG C of dry 10-15 h, after taking-up in porcelain mortar grind into powder, powder diameter scope is 0.1 ~ 2 μm；
Step 3.2: powder is transferred in 50 mL porcelain crucibles, and is positioned in program control cabinet-type electric furnace；
Step 3.3: start to rise to the heating rate of 2 ~ 10 DEG C/min calcining heat from room temperature, and keep calcining heat 3 ~ 10 h；Being cooled down by material after calcining, after being cooled to room temperature, grind into powder in porcelain mortar again, powder diameter scope is 0.1 ~ 2 μm, can be prepared by mesoporous lanthanium titanate zinc photocatalyst.
2. according to a kind of method preparing mesoporous lanthanium titanate zinc photocatalyst described in claim, it is characterised in that described calcining heat is 700 ~ 1000 DEG C.
3. according to a kind of method preparing mesoporous lanthanium titanate zinc photocatalyst described in claim, it is characterised in that the rotating speed of described magnetic stirring apparatus is 200 revs/min.
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| CN106732519A (en) * | 2016-11-22 | 2017-05-31 | 沈阳理工大学 | A kind of preparation method of soft lanthanium titanate fiber |
| CN106861667A (en) * | 2017-03-28 | 2017-06-20 | 沈阳理工大学 | A kind of TiO being suspended in water2The preparation method of microballoon |
| CN108246361A (en) * | 2018-01-08 | 2018-07-06 | 沈阳理工大学 | A kind of method for preparing molecular sieve type titanium cerium oxide catalysis material |
| CN109534391A (en) * | 2018-12-04 | 2019-03-29 | 北京航空航天大学 | A kind of application method of lanthanium titanate nanometer sheet photocatalysis fixed nitrogen |
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Cited By (8)
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| CN106495178A (en) * | 2016-09-19 | 2017-03-15 | 沈阳理工大学 | A kind of method for preparing mesoporous molecular sieve metatitanic acid neodymium surrounding purifying material |
| CN106495178B (en) * | 2016-09-19 | 2018-08-07 | 沈阳理工大学 | A method of preparing mesoporous molecular sieve metatitanic acid neodymium surrounding purifying material |
| CN106732519A (en) * | 2016-11-22 | 2017-05-31 | 沈阳理工大学 | A kind of preparation method of soft lanthanium titanate fiber |
| CN106861667A (en) * | 2017-03-28 | 2017-06-20 | 沈阳理工大学 | A kind of TiO being suspended in water2The preparation method of microballoon |
| CN106861667B (en) * | 2017-03-28 | 2019-10-25 | 沈阳理工大学 | A kind of TiO to suspend in water2The preparation method of microballoon |
| CN108246361A (en) * | 2018-01-08 | 2018-07-06 | 沈阳理工大学 | A kind of method for preparing molecular sieve type titanium cerium oxide catalysis material |
| CN108246361B (en) * | 2018-01-08 | 2020-10-30 | 沈阳理工大学 | Method for preparing molecular sieve type titanium cerium oxide photocatalytic material |
| CN109534391A (en) * | 2018-12-04 | 2019-03-29 | 北京航空航天大学 | A kind of application method of lanthanium titanate nanometer sheet photocatalysis fixed nitrogen |
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