CN102527363A - Production method of N-F-codoped TiO2/bamboo charcoal composite photocatalysis material - Google Patents
Production method of N-F-codoped TiO2/bamboo charcoal composite photocatalysis material Download PDFInfo
- Publication number
- CN102527363A CN102527363A CN2011104441423A CN201110444142A CN102527363A CN 102527363 A CN102527363 A CN 102527363A CN 2011104441423 A CN2011104441423 A CN 2011104441423A CN 201110444142 A CN201110444142 A CN 201110444142A CN 102527363 A CN102527363 A CN 102527363A
- Authority
- CN
- China
- Prior art keywords
- bamboo charcoal
- tio
- gained
- colloidal sol
- conventional method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention provides a production method of an N-F-codoped TiO2/bamboo charcoal composite photocatalysis material. The method comprises the following steps of: (1) selecting bamboo charcoal as a carrier and removing surface impurities; (2) dissolving TiOSO4 in H2O to obtain TiOSO4 solution; (3) generating TiO(OH)2 precipitate; (4) adding water for mixing, and beating to obtain Ti(OH)4 slurry; (5) preparing Ti(OH)4 suspension, dripping H2O2, and aging to obtain TiO2 sol; (6) adding NH4F to obtain TiO2 sol containing F<->, and carrying out hydrothermal reaction to obtain F<->-doped nano TiO2 sol; and (7) immersing bamboo charcoal in F<->-doped nano TiO2 sol, carrying out ultrasonic treatment, and baking in N2 atmosphere to obtain the N-F-codoped TiO2/bamboo charcoal composite photocatalysis material finished product. By adopting the method, the product has good adsorbing performance, higher photocatalysis activity and antibacterial performance, the value of bamboo charcoal is elevated and the obtained material can be recycled.
Description
Technical field
The invention belongs to the catalysis material technical field, relating to a kind of is that carrier is produced N-F (nitrogen-fluorine) codope TiO with the bamboo charcoal
2The method of (titanium dioxide)/bamboo charcoal composite photocatalyst material, product is applicable to indoor air purification, antibiotic, the Degradation Formaldehyde processing of eliminate the unusual smell in the refrigerator, mildew-resistant, especially new clothes being repaired the house interior.
Background technology
The method of known production catalysis material mainly contains three types, and one type is to utilize sol-gel process directly to prepare TiO at carrier surface
2Film; Two types is to utilize nano-TiO
2Powder is dispersed into the suspension that loads on carrier surface; Three types is to utilize inorganic gel or organogel loaded with nano catalysis material on matrixes such as glass marble, wire.Class methods wherein are because preparation TiO
2The raw material sol-gel of catalysis material film is a non-porous, and is active on the low side, and calcining heat is more than 500 ℃, and this has just strengthened the high temperature resistant requirement of carrier material; Two class methods wherein, because the bond strength of the offspring of preparation catalysis material and carrier material is not enough, the catalysis material of preparation is easy to come off, and is difficult to carry out; And if adopt three class methods preparations; Then can make catalysis material surface major part be capped, cause photocatalysis efficiency significantly to reduce owing to inorganic gel or organogel package action to nano-photocatalyst material; In addition, organogel also can bring for example negative effect such as ultraviolet light degradation.Publication number is respectively in three pieces of Chinese patent documents of CN1593765A, CN1593747 and CN1467023, the preparation method of multiple support type catalysis material is provided, but these methods all exists complex process, carrier and TiO
2Bond strength on the weak side, problem such as photocatalytic activity is on the low side under the visible light condition.
Summary of the invention
The technical problem that the present invention will solve is that to the defective that prior art exists, proposing a kind of is that carrier is produced N-F codope TiO with the bamboo charcoal
2The method of/bamboo charcoal composite photocatalyst material, this method technology is simple, is easy to suitability for industrialized production, and product can be used for eliminating the unusual smell in indoor air purification, antibiotic, the refrigerator and goes mouldy with anti-, the formaldehyde in the new clothes that also can be used for degrading are repaired the house, protection environment.
Technical solution of the present invention is that a kind of N-F codope TiO is provided
2The production method of/bamboo charcoal composite photocatalyst material, this method adopt following raw material and processing step to produce N-F codope TiO
2/ bamboo charcoal composite photocatalyst material product:
(1), adopt bamboo charcoal as carrier, use acetic acid processing method or hydro-thermal treatment method to remove the impurity of this carrier surface, enlarge the surface area and the interior pore volume of bamboo charcoal material.Wherein said acetic acid processing method is meant that under 70~90 ℃ of temperature conditions it is 10~20% acetic acid immersion treatment 1~2 time that said bamboo charcoal is placed mass fraction, each processing time 0.2~1h; Said hydro-thermal treatment method is meant under 1.0MPa water vapour pressure condition said bamboo charcoal is placed steaming pressure 0.5~2h in the steam chamber.The bamboo charcoal that will pass through above-mentioned processing then uses conventional method to carry out dried;
(2), get TiOSO by 1: 5~20 weight ratios successively
4(titanyl sulfate) and H
2O (water) is a raw material, with said TiOSO
4Be dissolved in said H
2Among the O, use conventional method to filter and remove impurity and residue, get the TiOSO of clear
4Solution;
(3), get step (2) gained TiOSO
4Solution splashes in the beaker continuously, constantly stirs and constantly drip simultaneously NH
3H
2O (ammoniacal liquor), the pH value that keeps the solution of containing in this beaker is 8, to beaker, generates Ti (OH)
4(hydrated titanium dioxide) deposition, centrifuge dripping is handled gained Ti (OH)
4Deposition will pass through drying the TiO (OH) that handles then
2Deposition is used deionized water washing 3~4 times;
(4), at the Ti (OH) of step (3) gained through the deionized water washing
4The water that adds 1~5 times of this deposition weight in the deposition evenly mixes, the use conventional method pull an oar Ti (OH)
4Slurry uses conventional spectrophotometry gained Ti (OH)
4Ti in the slurry
4+The concentration of (titanium);
(5), with step (4) gained Ti (OH)
4It is 1~2% Ti (OH) that slurry uses conventional method to be mixed with concentration
4Suspension slowly splashes into gained Ti (OH) while stirring
4The H of suspension gross weight 5~10% percentage by weights
2O
2(hydrogen peroxide) re-uses conventional method gained contained H
2O
2Ti (OH)
4Suspension implement 24h ageing at least handle the TiO of clear
2Colloidal sol;
(6), at step (5) gained TiO
2Press TiO in the colloidal sol
20.01~0.05% percentage by weight of colloidal sol gross weight adds NH
4F (ammonium fluoride) must contain F
-The TiO of (fluorine ion)
2Colloidal sol contains F with gained then
-TiO
2Colloidal sol is placed under 80~100 ℃ of temperature conditions, uses conventional method to implement hydro-thermal reaction 6~12h, promptly gets F
-Doping ratio be 0.01~0.05% F
-Dopen Nano TiO
2Colloidal sol;
(7), get bamboo charcoal and step (6) the gained F that handle through contaminant removal on step (1) gained surface by 1: 1~10 weight ratios successively
-Dopen Nano TiO
2Colloidal sol.Getting bamboo charcoal impregnated in the F that gets
-Dopen Nano TiO
2In the colloidal sol, use the conventional method ultrasonic Treatment 10~30 minutes, pull bamboo charcoal then out and place under 80~90 ℃ of temperature conditions and carry out dried, place 350~550 ℃ of N again
2Roasting 1~4h promptly gets N-F codope TiO under (nitrogen) atmosphere
2/ bamboo charcoal composite photocatalyst material finished product.
The invention has the beneficial effects as follows:
1, adopting bamboo charcoal is carrier, have higher surface area and pore-size distribution preferably, and absorption property is good;
2, the doping of N can make TiO
2Absorption spectrum expand to visible spectrum; The doping of F can make F
-Replace O
2-Get into TiO
2Charge unbalance appears in lattice, produces an extra positive charge, and catches the electronics that photoinduction produces, thereby makes the hole of photoinduction generation and the H of surface adsorption
2The probability of O effect increases, hole and H
2The O reaction generates the hydroxyl activity group, thereby improves photocatalysis performance.Effective cooperative effect that the N-F codope is produced can be expanded nano-TiO
2The photoresponse scope, make it under the visible light condition, have higher photocatalytic activity and anti-microbial property, thereby be TiO
2The practical application of photochemical catalyst provides new way;
3, the present invention is with TiO
2Doping vario-property and TiO
2Load technology combines to study, and realizes the adsorption function and the co-doped nano TiO of bamboo charcoal
2The cooperative effect of photocatalysis performance has solved former bamboo charcoal product and can only adsorb the difficult problem that can not degrade and be prone to saturated inefficacy, has promoted the using value and the added value of product of former bamboo charcoal;
4, the doped Ti O of preparation
2/ bamboo charcoal composite photocatalyst material is recyclable to be utilized again, and still has photocatalytic activity preferably after repeatedly using.
The specific embodiment
Embodiment 1:
(1), adopt bamboo charcoal as carrier, under 70~90 ℃ of temperature conditions, bamboo charcoal being placed mass fraction is 10% acetic acid immersion treatment 1 time, each processing time 0.2~1h, the bamboo charcoal that will pass through above-mentioned processing then uses conventional method to carry out dried;
(2), get TiOSO by 1: 5~20 weight ratios successively
4With H
2O is a raw material, with TiOSO
4Be dissolved in H
2Among the O, use conventional method to filter and remove impurity and residue, get the TiOSO of clear
4Solution;
(3), get step (2) gained TiOSO
4Solution splashes in the beaker continuously, constantly stirs and constantly drip simultaneously NH
3H
2O, the pH value that keeps the solution of containing in this beaker is 8, to beaker, generates TiO (OH)
2Deposition, centrifuge dripping is handled gained TiO (OH)
2Deposition will pass through drying the TiO (OH) that handles then
2Deposition is used deionized water washing 3~4 times;
(4), at the Ti (OH) of step (3) gained through the deionized water washing
4The water that adds 1 times of this deposition weight in the deposition evenly mixes, the use conventional method pull an oar Ti (OH)
4Slurry uses conventional spectrophotometry gained Ti (OH)
4Ti in the slurry
4+Concentration;
(5), with step (4) gained Ti (OH)
4It is 1% Ti (OH) that slurry uses conventional method to be mixed with concentration
4Suspension slowly splashes into gained Ti (OH) while stirring
4The H of suspension gross weight 5% percentage by weight
2O
2, re-use conventional method gained contained H
2O
2Ti (OH)
4Suspension implement 24h ageing at least handle the TiO of clear
2Colloidal sol;
(6), at step (5) gained TiO
2Press TiO in the colloidal sol
20.01% percentage by weight of colloidal sol gross weight adds NH
4F must contain F
-TiO
2Colloidal sol contains F with gained then
-TiO
2Colloidal sol is placed under 80~100 ℃ of temperature conditions, uses conventional method to implement hydro-thermal reaction 6h, promptly gets F
-Doping ratio be 0.01~0.05% F
-Dopen Nano TiO
2Colloidal sol;
(7), get bamboo charcoal and step (6) the gained F that handle through contaminant removal on step (1) gained surface by 1: 1 weight ratio successively
-Dopen Nano TiO
2Colloidal sol.Getting bamboo charcoal impregnated in the F that gets
-Dopen Nano TiO
2In the colloidal sol, use the conventional method ultrasonic Treatment 10 minutes, pull bamboo charcoal then out and place under 80~90 ℃ of temperature conditions and carry out dried, place 350~550 ℃ of N again
2Roasting 1~4h promptly gets N-F codope TiO under the atmosphere
2/ bamboo charcoal composite photocatalyst material finished product.
Embodiment 2:
(1), adopt bamboo charcoal as carrier, under 1.0MPa water vapour pressure condition, bamboo charcoal placed to steam in the steam chamber and presses 0.5~2h, the bamboo charcoal that will pass through above-mentioned processing then uses conventional method to carry out dried;
Step (2)~(3) are with embodiment 1;
(4), at the Ti (OH) of step (3) gained through the deionized water washing
4The water that adds 5 times of this deposition weight in the deposition evenly mixes, the use conventional method pull an oar Ti (OH)
4Slurry uses conventional spectrophotometry gained Ti (OH)
4Ti in the slurry
4+Concentration;
(5), with step (4) gained Ti (OH)
4It is 2% Ti (OH) that slurry uses conventional method to be mixed with concentration
4Suspension slowly splashes into gained Ti (OH) while stirring
4The H of suspension gross weight 10% percentage by weight
2O
2, re-use conventional method gained contained H
2O
2Ti (OH)
4Suspension implement 24h ageing at least handle the TiO of clear
2Colloidal sol;
(6), at step (5) gained TiO
2Press TiO in the colloidal sol
20.05% percentage by weight of colloidal sol gross weight adds NH
4F must contain F
-TiO
2Colloidal sol contains F with gained then
-TiO
2Colloidal sol is placed under 80~100 ℃ of temperature conditions, uses conventional method to implement hydro-thermal reaction 12h, promptly gets F
-Doping ratio be 0.01~0.05% F
-Dopen Nano TiO
2Colloidal sol;
(7), get bamboo charcoal and step (6) the gained F that handle through contaminant removal on step (1) gained surface by 1: 10 weight ratio successively
-Dopen Nano TiO
2Colloidal sol.Getting bamboo charcoal impregnated in the F that gets
-Dopen Nano TiO
2In the colloidal sol, use the conventional method ultrasonic Treatment 30 minutes, pull bamboo charcoal then out and place under 80~90 ℃ of temperature conditions and carry out dried, place 350~550 ℃ of N again
2Roasting 1~4h promptly gets N-F codope TiO under the atmosphere
2/ bamboo charcoal composite photocatalyst material finished product.
Claims (1)
1. N-F codope TiO
2The production method of/bamboo charcoal composite photocatalyst material, this method adopt following raw material and step to produce N-F codope TiO
2/ bamboo charcoal composite photocatalyst material product:
(1), adopt bamboo charcoal as carrier; Use acetic acid processing method or hydro-thermal treatment method to remove the impurity of this carrier surface; Enlarge the surface area and the interior pore volume of bamboo charcoal material; Wherein said acetic acid processing method is meant that under 70~90 ℃ of temperature conditions it is 10~20% acetic acid immersion treatment 1~2 time that said bamboo charcoal is placed mass fraction, each processing time 0.2~1h; Said hydro-thermal treatment method is meant under 1.0MPa water vapour pressure condition said bamboo charcoal is placed steaming pressure 0.5~2h in the steam chamber that the bamboo charcoal that will pass through above-mentioned processing then uses conventional method to carry out dried;
(2), get TiOSO by 1: 5~20 weight ratios successively
4With H
2O is a raw material, with said TiOSO
4Be dissolved in said H
2Among the O, use conventional method to filter and remove impurity and residue, get the TiOSO of clear
4Solution;
(3), get step (2) gained TiOSO
4Solution splashes in the beaker continuously, constantly stirs and constantly drip simultaneously NH
3H
2O, the pH value that keeps the solution of containing in this beaker is 8, to beaker, generates TiO (OH)
2Deposition, centrifuge dripping is handled gained TiO (OH)
2Deposition will pass through drying the TiO (OH) that handles then
2Deposition is used deionized water washing 3~4 times;
(4), at the Ti (OH) of step (3) gained through the deionized water washing
4The water that adds 1~5 times of this deposition weight in the deposition evenly mixes, the use conventional method pull an oar Ti (OH)
4Slurry uses conventional spectrophotometry gained Ti (OH)
4Ti in the slurry
4+Concentration;
(5), with step (4) gained Ti (OH)
4It is 1~2% Ti (OH) that slurry uses conventional method to be mixed with concentration
4Suspension slowly splashes into gained Ti (OH) while stirring
4The H of suspension gross weight 5~10% percentage by weights
2O
2, re-use conventional method gained contained H
2O
2Ti (OH)
4Suspension implement 24h ageing at least handle the TiO of clear
2Colloidal sol;
(6), at step (5) gained TiO
2Press TiO in the colloidal sol
20.01~0.05% percentage by weight of colloidal sol gross weight adds NH
4F must contain F
-TiO
2Colloidal sol contains F with gained then
-TiO
2Colloidal sol is placed under 80~100 ℃ of temperature conditions, uses conventional method to implement hydro-thermal reaction 6~12h, promptly gets F
-Doping ratio be 0.01~0.05% F
-Dopen Nano TiO
2Colloidal sol;
(7), get bamboo charcoal and step (6) the gained F that handle through contaminant removal on step (1) gained surface by 1: 1~10 weight ratios successively
-Dopen Nano TiO
2Colloidal sol impregnated in the F that gets with getting bamboo charcoal
-Dopen Nano TiO
2In the colloidal sol, use the conventional method ultrasonic Treatment 10~30 minutes, pull bamboo charcoal then out and place under 80~90 ℃ of temperature conditions and carry out dried, place 350~550 ℃ of N again
2Roasting 1~4h promptly gets N-F codope TiO under the atmosphere
2/ bamboo charcoal composite photocatalyst material finished product.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011104441423A CN102527363A (en) | 2011-12-27 | 2011-12-27 | Production method of N-F-codoped TiO2/bamboo charcoal composite photocatalysis material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011104441423A CN102527363A (en) | 2011-12-27 | 2011-12-27 | Production method of N-F-codoped TiO2/bamboo charcoal composite photocatalysis material |
Publications (1)
Publication Number | Publication Date |
---|---|
CN102527363A true CN102527363A (en) | 2012-07-04 |
Family
ID=46336115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011104441423A Pending CN102527363A (en) | 2011-12-27 | 2011-12-27 | Production method of N-F-codoped TiO2/bamboo charcoal composite photocatalysis material |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102527363A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103469329A (en) * | 2013-09-13 | 2013-12-25 | 句容市后白镇迎瑞印花厂 | Production method of anti-ultraviolet fiber |
CN107694551A (en) * | 2017-11-10 | 2018-02-16 | 伦慧东 | The preparation technology of the inorganic microspheroidal particles of surface uniform location titanium dioxide |
US10206548B1 (en) * | 2017-08-16 | 2019-02-19 | David R. Hall | Doped and non-doped titanium dioxide coated antimicrobial toilet |
CN109772398A (en) * | 2017-11-13 | 2019-05-21 | 广州中国科学院沈阳自动化研究所分所 | A kind of solid-carrying type F, N, Ag co-doping titanium dioxide photocatalyst and its preparation method and application |
CN110451559A (en) * | 2019-07-29 | 2019-11-15 | 晋中学院 | A kind of Detitanium-ore-type TiO of [111]-crystal face exposure2Nanocrystalline preparation method and application |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0857700A1 (en) * | 1997-02-10 | 1998-08-12 | Saint-Gobain Vitrage | Transparent substrate with at least one thin silicon nitride or oxynitride based layer and process for obtaining the same |
WO1998046046A1 (en) * | 1997-04-04 | 1998-10-15 | Dalton Robert C | Artificial dielectric device for heating gases with electromagnetic energy |
JP2009526724A (en) * | 2006-02-13 | 2009-07-23 | カウンシル・オブ・サイエンティフィック・アンド・インダストリアル・リサーチ | Monoclinic CeTi2O6 thin film and manufacturing method thereof by sol-gel method |
US7578455B2 (en) * | 2004-08-09 | 2009-08-25 | General Motors Corporation | Method of grinding particulate material |
CN101596457A (en) * | 2009-07-06 | 2009-12-09 | 宁波山泉建材有限公司 | The nano titanium dioxide photocatalyst and the preparation method of boron and other element codope |
-
2011
- 2011-12-27 CN CN2011104441423A patent/CN102527363A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0857700A1 (en) * | 1997-02-10 | 1998-08-12 | Saint-Gobain Vitrage | Transparent substrate with at least one thin silicon nitride or oxynitride based layer and process for obtaining the same |
WO1998046046A1 (en) * | 1997-04-04 | 1998-10-15 | Dalton Robert C | Artificial dielectric device for heating gases with electromagnetic energy |
US7578455B2 (en) * | 2004-08-09 | 2009-08-25 | General Motors Corporation | Method of grinding particulate material |
JP2009526724A (en) * | 2006-02-13 | 2009-07-23 | カウンシル・オブ・サイエンティフィック・アンド・インダストリアル・リサーチ | Monoclinic CeTi2O6 thin film and manufacturing method thereof by sol-gel method |
CN101596457A (en) * | 2009-07-06 | 2009-12-09 | 宁波山泉建材有限公司 | The nano titanium dioxide photocatalyst and the preparation method of boron and other element codope |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103469329A (en) * | 2013-09-13 | 2013-12-25 | 句容市后白镇迎瑞印花厂 | Production method of anti-ultraviolet fiber |
CN103469329B (en) * | 2013-09-13 | 2016-01-06 | 句容市后白镇迎瑞印花厂 | A kind of production method of uvioresistant fiber |
US10206548B1 (en) * | 2017-08-16 | 2019-02-19 | David R. Hall | Doped and non-doped titanium dioxide coated antimicrobial toilet |
CN107694551A (en) * | 2017-11-10 | 2018-02-16 | 伦慧东 | The preparation technology of the inorganic microspheroidal particles of surface uniform location titanium dioxide |
CN107694551B (en) * | 2017-11-10 | 2020-06-30 | 伦慧东 | Preparation process of inorganic microsphere particles with uniformly positioned titanium dioxide on surface |
CN109772398A (en) * | 2017-11-13 | 2019-05-21 | 广州中国科学院沈阳自动化研究所分所 | A kind of solid-carrying type F, N, Ag co-doping titanium dioxide photocatalyst and its preparation method and application |
CN109772398B (en) * | 2017-11-13 | 2021-11-23 | 广州中国科学院沈阳自动化研究所分所 | Immobilized F, N, Ag co-doped titanium dioxide photocatalyst and preparation method and application thereof |
CN110451559A (en) * | 2019-07-29 | 2019-11-15 | 晋中学院 | A kind of Detitanium-ore-type TiO of [111]-crystal face exposure2Nanocrystalline preparation method and application |
CN110451559B (en) * | 2019-07-29 | 2021-11-02 | 晋中学院 | [111]]Anatase TiO with exposed crystal face2Preparation method and application of nanocrystalline |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MiarAlipour et al. | TiO2/porous adsorbents: Recent advances and novel applications | |
Dong et al. | Research progress of photocatalysis based on highly dispersed titanium in mesoporous SiO2 | |
CN102527363A (en) | Production method of N-F-codoped TiO2/bamboo charcoal composite photocatalysis material | |
Khazaee et al. | Template-confined growth of X-Bi2MoO6 (X: F, Cl, Br, I) nanoplates with open surfaces for photocatalytic oxidation; experimental and DFT insights of the halogen doping | |
CN111974373B (en) | Method for degrading antibiotics through photocatalysis | |
CN101549279B (en) | Method for improving specific surface area of diatomite | |
CN105126799B (en) | TiO2/SiO2The preparation of composite oxides and its photocatalytic degradation method | |
Zhao et al. | Efficient visible light photocatalytic activity of p–n junction CuO/TiO 2 loaded on natural zeolite | |
CN107252696B (en) | A kind of preparation method of sisal hemp carbon fiber photochemical catalyst | |
Qiu et al. | Facile preparation of C-modified TiO 2 supported on MCF for high visible-light-driven photocatalysis | |
US20230372918A1 (en) | Photocatalytic material for efficient photocatalytic removal of high-concentration nitrate, and preparation method and use thereof | |
KR20200032537A (en) | Manufacturing method of titanium dioxide sphere/graphitic carbon nitride composites for photocatalyst | |
CN108654678A (en) | One type Fenton oxidation catalyst and its application | |
CN112430407B (en) | Material with air purifying and negative ion releasing effects, preparation method thereof and application thereof in coating | |
CN103920521B (en) | A kind of preparation method removing formaldehyde natural zeolite Supported CuO nanometer tube composite materials | |
KR101749673B1 (en) | Manufacturing method of mesoporous anatase titanium dioxide spheres photocatalyst | |
CN106975509B (en) | Preparation method and application of nitrogen and iron co-doped bismuth vanadate visible-light-driven photocatalyst | |
CN102513076A (en) | Preparation method of porous nanocrystalline titanium dioxide catalyst by utilizing biological template | |
Lee et al. | Synthesis and characterization of carbon-doped titania as a visible-light-sensitive photocatalyst | |
CN103934014B (en) | The preparation method of N doping indium sesquioxide nanometer rods/graphene oxide composite photo-catalyst | |
CN108607595A (en) | The preparation method and applications of carbonitride homotype hetero-junctions with ordered mesopore structure | |
Qiu et al. | Synthesis of peroxo-titanium decorated H-titanate-nanotube-based hierarchical microspheres with enhanced visible-light photocatalytic activity in degradation of Rhodamine B | |
CN111821967A (en) | Heterojunction titanium dioxide composite photocatalyst and preparation method thereof | |
CN105694544B (en) | A kind of preparation method of nano titanium dioxide/diatomite wall covering | |
Shankar et al. | Synthesis and characterization of nano-titania photocatalyst loaded on Mo-MCM-41 support |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120704 |