CN100453167C - Method for preparing mesoporous titanium dioxide optical catalyst using plant peels and films - Google Patents
Method for preparing mesoporous titanium dioxide optical catalyst using plant peels and films Download PDFInfo
- Publication number
- CN100453167C CN100453167C CNB2007100659396A CN200710065939A CN100453167C CN 100453167 C CN100453167 C CN 100453167C CN B2007100659396 A CNB2007100659396 A CN B2007100659396A CN 200710065939 A CN200710065939 A CN 200710065939A CN 100453167 C CN100453167 C CN 100453167C
- Authority
- CN
- China
- Prior art keywords
- hours
- film
- acid
- titanium dioxide
- skin
- 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.)
- Active
Links
Landscapes
- Catalysts (AREA)
Abstract
The present invention relates to a method for preparing mesohole titanium dioxide photocatalyst by using plant peel and membrane, belonging to the field of fine chemical technology. It is characterized by that it uses plant peel and membrane as template, and utilizes impregnation process and high-temperature incineration process to obtain the mesohole material of anatase crystalline form with high specific surface area, stable property and high catalytic activity. Said mesohole titanium dioxide photocatalyst can be used for treating drinking water, industrial organic waste water and toxic fas.
Description
Affiliated technical field
The invention belongs to the fine chemical technology field, be specifically related to a kind of preparation method of anatase titanium dioxide mesopore titania photocatalyst.
Background technology
The mesoporous TiO 2 semiconductor is stable because of its chemical property, indissoluble, nontoxic, advantage such as cost is low, specific area is big, is considered to a kind of environmental type photochemical catalyst, receives much concern.In recent years, synthesize meso-porous material mainly adopts hydrothermal synthesis method, room temperature synthetic method, microwave process for synthesizing, wet gummed established law, phase transition method and method such as synthetic in non-aqueous system.Preparation anatase titanium dioxide mesoporous TiO 2 mainly adopts the plate method of touching.For example, application number is 200610059353.4 Chinese invention patent application " low temperature preparation method of nano meso-porous titanium dioxide ", has used template agent P123.The patent No. is the Chinese invention patent " preparation method with high disinfecting photoactivity mesoporous titanium dioxide film " of ZL02119304.5, and adopting the triblock copolymer macromolecular compound is the template agent.These methods all must be used organic surface active agent, and cost height, the difficult removal have and pollute and complicated operation.Biological template is owing to have characteristics such as aboundresources, cost are low, pollution-free, easy removal, and its method has become the key areas of present research.The patent No. is that the Chinese invention patent of 2004100542111.X " utilizes the plant template to prepare the method for porous oxide molecular sieve ", after the vegetable material powder being flooded the processing of coming unstuck earlier in ammoniacal liquor, in the strong acid salt aqueous solution of metal M, flood preliminary treatment again, the vegetable material powder that to handle again carries out high-temperature process in oxidizing atmosphere, obtain the aperture and concentrate the porous oxide MxOy molecular screen material that is distributed in the metal M in the 2-50nm scope, wherein: M is metal Ni, Fe, Co, Zn, Al, Ce, Y, Mn, Zr, Cr, a kind of among La and the Ti, X is 1,2, in 3 one, Y is 1,2, in 3,4 one.What this scheme prepared is the porous oxide molecular sieve, and has adopted the oxygen atmosphere high-temperature process, the condition harshness.At present do not adopt biological template to prepare the bibliographical information of mesoporous anatase crystalline form titanium dioxide optical catalyst.
Summary of the invention
The purpose of this invention is to provide a kind of is the method that template prepares the anatase titanium dioxide mesopore titania photocatalyst with plant peel, film, requires the preparation condition gentleness, process stabilizing, reliable, cost is low, the product photochemical catalyst is effective.
The present invention is a template with plant peel, film, high-specific surface area, stable performance that obtains by infusion process and high temperature sintering and the mesoporous material with anatase crystal of high catalytic activity.The inventive method is as follows:
1, being presoma with titanium tetraisopropylate or metatitanic acid fourth fat or their mixture, is diluent with ethanol or acetone or methyl alcohol or ethyl acetate or isopropyl alcohol or above several mixed solution.
2, precursor liquid is made up of the component of following volume ratio: presoma 0.1～10%, diluent 90%～99.9%.
For improving the rate of soaking into of precursor liquid, can use supersonic oscillations or oscillator vibration to carry out stir process during the preparation precursor liquid.
3, pretreated plant peel, film were soaked in precursor liquid 0.5～24 hour, add hydrolyzate hydrolysis, air dry, sintering subsequently, sintering temperature is 300～600 ℃, sintering time be 2h～24h, mesoporous TiO 2.Preferred 1h～the 12h of sintering time.For obtaining best titanium dioxide crystalline form, can heat up from the heating rate that room temperature begins with 8～12 ℃/minute during sintering.
4, said hydrolyzate is the cushioning liquid of distilled water or amine-sal-ammoniac or the mixture of sodium acid carbonate-carbonic acid sodium dihydrogen cushioning liquid or isopropanol water solution or methyl alcohol or isopropanol water solution or methyl alcohol and isopropanol water solution.
5, said preliminary treatment is meant that skin, film with plant clean up with distilled water, is immersed in the dilute acid soln of PH＞3 0.5～24 hour, boils 15～100 minutes, to remove colloid and the inorganic salts in plant peel, the film, cleans up with distilled water then.Used acid can be hydrochloric acid or acetic acid, and the concentration of acid solution can be 0.5～3mol/L.
Said plant peel, film contain fiber or dimension pipe, for example can be plant peel, the films that garlic skin, green onion skin, tomato skin, mangrove bark, Grape Skin, careless bud, reed film etc. contain fiber or dimension pipe.
The mesoporous TiO 2 with catalytic activity that the present invention makes can be used for advanced treating drinking-water, industrial organic waste water and toxic gas.
The photocatalytic activity effect and the evaluation of the mesopore titania photocatalyst that the present invention makes:
With the model reaction of dyestuff in the air (gentian violet, methylene purple, xylenol orange, rhodamine B) degradation reaction as the photocatalytic activity evaluation.30W uviol lamp and sunshine are as light source, and catalyst amount is about 0.05 gram, and the concentration of dyestuff is 25PPm.When carrying out the ultraviolet catalytic experiment, with the interference filter that a slice can allow 300nm＜λ＜410nm pass through, this wave band is comparatively typical ultraviolet light range.When carrying out the sunlight catalytic experiment, select a bright day gas, directly the beaker that dyestuff and catalyst are housed is placed sunshine.Detect the concentration of dyestuff with ultraviolet.Since 1 hour, the ultraviolet maximum absorption band descended gradually.
Following table is adsorption rate, degradation rate (dye strength: 50ml, the 25mg dm-3 of four kinds of dyestuffs of product of the present invention and P25 (Deggusa) degraded under the ultraviolet light; Reaction time: 4h)
Mesoporous TiO with this method preparation
2The form novelty, in my innocent life, this method has the following advantages:
(1) gained anatase mesoporous TiO 2 has high-specific surface area, makes the active increase of light-catalyzed reaction to help the diffusion of reactant, has in Molecular Adsorption and catalytic process and non-porous TiO
2The excellent properties that nano material is different.
(2) adopting plant peel, film is template, and its wide material sources, production cost are low, environmentally friendly.
(3) the mesoporous TiO of gained anatase
2The catalytic activity height, stable performance under the high temperature, technology is simple, preparation condition is gentle, and is pollution-free.
The specific embodiment
Embodiment 1:
Get 150 milliliters of diluent isopropyl alcohols in closed beaker, add 1 milliliter of presoma titanium tetraisopropylate, supersonic oscillations stir that to be prepared into precursor liquid in 10 minutes standby.
Garlic skin is carried out preliminary treatment: garlic skin is cleaned up with distilled water, be immersed in the dilute hydrochloric acid solution of PH4 3 hours, boiled 60 minutes,, clean up with distilled water then to remove colloid and the inorganic salts in the garlic skin.
Pretreated garlic skin is immersed in the precursor liquid and was stirred 1 hour, take out after 12 hours and be immersed in 150 milliliters of distilled water filtration after 2 hours, cleaning, air dry as hydrolyzate.350 ℃ of calcinations 2 hours, begin with 8～12 ℃ of/minute intensifications from room temperature during calcination at last.Get light yellow mesoporous titanium dioxide powder after cold.
Embodiment 2:
Get 150 milliliters of diluent isopropyl alcohols in closed beaker, add 5 milliliters in presoma metatitanic acid fourth fat, the oscillator vibration stirs that to be prepared into precursor liquid in 10 minutes standby.
The green onion skin is carried out preliminary treatment: the green onion skin is cleaned up with distilled water, be immersed in the acetum of PH3.5 20 hours, boiled 90 minutes, clean up with distilled water then.
Pretreated green onion skin is immersed in the precursor liquid and was stirred 2 hours, take out after 12 hours and be immersed in 150 milliliters of isopropanol water solutions filtration after 2 hours, cleaning, air dry as hydrolyzate.300 ℃ of calcinations 20 hours, get light yellow mesoporous titanium dioxide powder at last.
Embodiment 3:
Get 150 milliliters of diluent isopropyl alcohols in closed beaker, add 10 milliliters of presoma titanium tetraisopropylates, stir that to be prepared into precursor liquid in 10 minutes standby.
Pretreated mangrove bark is immersed in the precursor liquid and was stirred 3 hours, take out after 12 hours and be immersed in 1150 milliliters of cushioning liquid, soak filtration after 2 hours, cleaning, air dry as the amine-sal-ammoniac of hydrolyzate.350 ℃ of calcinations 2 hours, get light yellow mesoporous titanium dioxide powder at last.
Embodiment 4:
Get 150 milliliters of diluent ethyl acetates in closed beaker, add 7 milliliters of presoma titanium tetraisopropylates, stir that to be prepared into precursor liquid in 10 minutes standby.
Pretreated tomato skin is immersed in the precursor liquid and was stirred 4 hours, take out after 12 hours and be immersed in 150 milliliters of isopropanol water solutions filtration after 2 hours, cleaning, air dry as hydrolyzate.420 ℃ of calcinations 6 hours, get light yellow mesoporous titanium dioxide powder at last.
Embodiment 5:
Get 150 milliliters in diluent acetone in closed beaker, add 4 milliliters of presoma titanium tetraisopropylates, stir that to be prepared into precursor liquid in 10 minutes standby.
Pretreated Grape Skin is immersed in the precursor liquid and in addition and stirred 1 hour, takes out after 24 hours and be immersed in 150 milliliters of sodium acid carbonates-carbonic acid sodium dihydrogen cushioning liquid filtration after 2 hours, cleaning, air dry as hydrolyzate.350 ℃ of calcinations 6 hours, get light yellow mesoporous titanium dioxide powder at last.
Embodiment 6:
Get 150 milliliters in acetone in closed beaker, add 8 milliliters of titanium tetraisopropylates, stirs that to prepare precursor liquid in 20 minutes standby.
Pretreated careless bud is immersed in the precursor liquid and was stirred 2 hours, take out after 18 hours and be immersed in 150 milliliters of hydrolyzates filtration after 2 hours, cleaning, air dry.420 ℃ of calcinations 6 hours, get light yellow mesoporous titanium dioxide powder at last.
Embodiment 7:
Get 150 milliliters of ethanol in closed beaker, add 4 milliliters of titanium tetraisopropylates, 4 milliliters in metatitanic acid fourth fat, stirs that to prepare precursor liquid in 10 minutes standby.
Pretreated green onion skin is immersed in the precursor liquid and was stirred 1 hour, take out after 16 hours and be immersed in 150 milliliters of hydrolyzates filtration after 2 hours, cleaning, air dry.420 ℃ of calcinations 24 hours, get light yellow mesoporous titanium dioxide powder at last.
Embodiment 8:
Respectively get 75 milliliters of isopropyl alcohols and methyl alcohol respectively in closed beaker, add 7.5 milliliters of titanium tetraisopropylates, it is standby to stir 10 minutes preparation precursor liquids.
Pretreated Grape Skin is immersed in the precursor liquid and was stirred 2 hours, take out after 12 hours and be immersed in 150 milliliters of hydrolyzates filtration after 2 hours, cleaning, air dry.420 ℃ of calcinations 6 hours, get light yellow mesoporous titanium dioxide powder at last.
Embodiment 9:
Get 150 ml methanol in closed beaker, add 7.5 milliliters of titanium tetraisopropylates, it is standby to stir 20 minutes preparation precursor liquids.
Pretreated reed film is immersed in the precursor liquid and was stirred 4 hours, take out after 14 hours and be immersed in 150 milliliters of hydrolyzates filtration after 2 hours, cleaning, air dry.420 ℃ of calcinations 6 hours, get light yellow mesoporous titanium dioxide powder at last.
Embodiment 10:
Get 150 ml methanol in closed beaker, add 3 milliliters of titanium tetraisopropylates, 4 milliliters in metatitanic acid fourth fat, it is standby to stir 30 minutes preparation precursor liquids.
Pretreated Grape Skin is immersed in the precursor liquid and was stirred 2 hours, take out after 10 hours and be immersed in 150 milliliters of hydrolyzates filtration after 2 hours, cleaning, air dry.350 ℃ of calcinations 8 hours, get mesoporous titanium dioxide powder at last.
Embodiment 11: get 30 milliliters of ethanol, acetone, methyl alcohol, ethyl acetate, isopropyl alcohol respectively in closed beaker, add 3 milliliters of titanium tetraisopropylates, 4 milliliters in metatitanic acid fourth fat, it is standby to stir 30 minutes preparation precursor liquids.
Pretreated mangrove bark is immersed in the precursor liquid and was stirred 4 hours, take out after 10 hours and be immersed in 150 milliliters of hydrolyzates filtration after 2 hours, cleaning, air dry.350 ℃ of calcinations 8 hours, get mesoporous titanium dioxide powder at last.
Embodiment 12: get 120 milliliters of ethanol, acetone, methyl alcohol, ethyl acetate, isopropyl alcohol respectively in closed beaker, add 1 milliliter in metatitanic acid fourth fat, it is standby to stir 30 minutes preparation precursor liquids.
Pretreated mangrove bark is immersed in the precursor liquid and was stirred 4 hours, take out after 10 hours and be immersed in 150 milliliters of hydrolyzates filtration after 2 hours, cleaning, air dry.350 ℃ of calcinations 8 hours, get mesoporous titanium dioxide powder at last.
Embodiment 13: get 20 milliliters of ethanol, acetone, methyl alcohol, ethyl acetate, isopropyl alcohol respectively in closed beaker, add 9 milliliters in metatitanic acid fourth fat, it is standby to stir 30 minutes preparation precursor liquids.
Pretreated mangrove bark is immersed in the precursor liquid and was stirred 4 hours, take out after 10 hours and be immersed in 150 milliliters of hydrolyzates filtration after 2 hours, cleaning, air dry.350 ℃ of calcinations 8 hours, get mesoporous titanium dioxide powder at last.
Above embodiment is only for the invention will be further described, and scope of the present invention is not subjected to the limitation of illustrated embodiment.
Claims (4)
1, be the method that template prepares mesopore titania photocatalyst with plant peel, film, it is characterized in that:
(1), be presoma with titanium tetraisopropylate or metatitanic acid fourth fat or their mixture, be diluent with ethanol or acetone or methyl alcohol or ethyl acetate or isopropyl alcohol or above several mixed solution,
(2), the component and the volumn concentration of precursor liquid be: presoma 0.1～10%, diluent 90%～99.9%,
(3), pretreated plant peel, film were soaked in precursor liquid 0.5～24 hour, add hydrolyzate hydrolysis, air dry, sintering subsequently, sintering temperature is 300～600 ℃, and sintering time is 2h～24h, mesoporous TiO 2,
(4), said hydrolyzate is the cushioning liquid of distilled water or amine-ammonium chloride or the mixture of sodium acid carbonate-carbonic acid sodium dihydrogen cushioning liquid or methyl alcohol or isopropanol water solution or methyl alcohol and isopropanol water solution,
(5), said preliminary treatment is meant that skin, film with plant clean up with distilled water, be immersed in the dilute acid soln of PH＞3 0.5～24 hour, boiled 15～100 minutes, to remove colloid and the inorganic salts in plant peel, the film, clean up with distilled water then, used acid is hydrochloric acid or acetic acid, and the concentration of acid solution is 0.5～3mol/L
(6) said plant peel, film are garlic skin or green onion skin or tomato skin or mangrove bark or Grape Skin or careless bud or reed film.
2, as the said method for preparing mesopore titania photocatalyst of claim 1, it is characterized in that: use supersonic oscillations or oscillator vibration to carry out stir process during the preparation precursor liquid.
3, as the said method for preparing mesopore titania photocatalyst of claim 1, it is characterized in that: sintering time is 2h～12h.
4, as the said method for preparing mesopore titania photocatalyst of claim 1, it is characterized in that: the heating rate that begins with 8～12 ℃/minute from room temperature during sintering heats up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100659396A CN100453167C (en) | 2007-06-07 | 2007-06-07 | Method for preparing mesoporous titanium dioxide optical catalyst using plant peels and films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100659396A CN100453167C (en) | 2007-06-07 | 2007-06-07 | Method for preparing mesoporous titanium dioxide optical catalyst using plant peels and films |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101069842A CN101069842A (en) | 2007-11-14 |
| CN100453167C true CN100453167C (en) | 2009-01-21 |
Family
ID=38897353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100659396A Active CN100453167C (en) | 2007-06-07 | 2007-06-07 | Method for preparing mesoporous titanium dioxide optical catalyst using plant peels and films |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100453167C (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722314B (en) * | 2009-11-20 | 2014-08-20 | 云南大学 | Method for preparing Cu2O-Cu composite microsphere by adopting bean flour as template |
| CN101711977A (en) * | 2009-11-20 | 2010-05-26 | 云南大学 | Method for preparing mesoporous titanium dioxide photocatalyst by using microbes and algae as templates |
| CN102125820A (en) * | 2011-01-05 | 2011-07-20 | 曲靖师范学院 | Dye mesoporous adsorbent taking rice hulls as templates and silicon sources and preparation method thereof |
| CN102755711B (en) * | 2011-04-29 | 2016-03-30 | 云南大学 | A kind of Green Destruction technique of high concentration strong acid (alkali) precursor chemicals |
| CN102826707A (en) * | 2011-06-16 | 2012-12-19 | 云南大学 | Three-stage tandem photocatalysis treatment technology of marigold wastewater |
| CN102513076A (en) * | 2011-11-25 | 2012-06-27 | 黑龙江大学 | Preparation method of porous nanocrystalline titanium dioxide catalyst by utilizing biological template |
| CN106311196B (en) * | 2016-07-19 | 2019-01-01 | 天津大学 | Tubular structure nano titanium dioxide photocatalyst and preparation method |
| CN106582605B (en) * | 2016-11-10 | 2019-12-24 | 云南大学 | Method for preparing cerium ion-doped mesoporous titanium dioxide photocatalyst by using lutein photosensitive active substance as template |
| CN106591935A (en) * | 2016-11-29 | 2017-04-26 | 上海师范大学 | A method for preparing mesoporous single crystal TiO2 from a renewable fiber template |
| CN107021587A (en) * | 2017-06-16 | 2017-08-08 | 云南大学 | The technique that a kind of utilization skid-mounted type light-catalyzed reaction processing system handles waste water |
| CN116272936A (en) * | 2019-08-13 | 2023-06-23 | 云南大学 | Preparation method and application of plant photocatalyst in different shapes |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1337425A (en) * | 2001-08-31 | 2002-02-27 | 清华大学 | Prepn proces sof mesoporous TiO2 powder as photocatalyst by using polyglycol as additive |
| CN1428296A (en) * | 2001-12-28 | 2003-07-09 | 中国科学院大连化学物理研究所 | Method for synthesizing new titanium-silicone metapore molecular sieve |
| US6638885B1 (en) * | 1997-05-22 | 2003-10-28 | The Trustees Of Princeton University | Lyotropic liquid crystalline L3 phase silicated nanoporous monolithic composites and their production |
| CN1587209A (en) * | 2004-09-02 | 2005-03-02 | 上海交通大学 | Method for preparing porous oxide molecular sieve using plant template |
| CN1943849A (en) * | 2006-10-24 | 2007-04-11 | 云南大学 | Process for preparing glass fiber loaded optic catalyst |
-
2007
- 2007-06-07 CN CNB2007100659396A patent/CN100453167C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6638885B1 (en) * | 1997-05-22 | 2003-10-28 | The Trustees Of Princeton University | Lyotropic liquid crystalline L3 phase silicated nanoporous monolithic composites and their production |
| CN1337425A (en) * | 2001-08-31 | 2002-02-27 | 清华大学 | Prepn proces sof mesoporous TiO2 powder as photocatalyst by using polyglycol as additive |
| CN1428296A (en) * | 2001-12-28 | 2003-07-09 | 中国科学院大连化学物理研究所 | Method for synthesizing new titanium-silicone metapore molecular sieve |
| CN1587209A (en) * | 2004-09-02 | 2005-03-02 | 上海交通大学 | Method for preparing porous oxide molecular sieve using plant template |
| CN1943849A (en) * | 2006-10-24 | 2007-04-11 | 云南大学 | Process for preparing glass fiber loaded optic catalyst |
Non-Patent Citations (4)
| Title |
|---|
| Synthesis, Characterization, and Photocatalytic ActivityofTitania and Niobia Mesoporous Molecular Sieves. Victor F.Stone, Jr. and Robert J. Davis.Chemistry of Materials,Vol.10 No.5. 1998 |
| Synthesis, Characterization, and Photocatalytic ActivityofTitania and Niobia Mesoporous Molecular Sieves. Victor F.Stone, Jr. and Robert J. Davis.Chemistry of Materials,Vol.10 No.5. 1998 * |
| The preparation of high-surface area,thermally-stable,metal-oxide catalysts and supports by acellulose templatingapproach. A.N.Shigapov et al.Applied Catalysis A:General,Vol.210 . 2001 |
| The preparation of high-surface area,thermally-stable,metal-oxide catalysts and supports by acellulose templatingapproach. A.N.Shigapov et al.Applied Catalysis A:General,Vol.210 . 2001 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101069842A (en) | 2007-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100453167C (en) | Method for preparing mesoporous titanium dioxide optical catalyst using plant peels and films | |
| CN101711977A (en) | Method for preparing mesoporous titanium dioxide photocatalyst by using microbes and algae as templates | |
| CN101844077B (en) | Preparation method of carbon and nitrogen modified nano-titanium dioxide thin film with visible light activity | |
| CN101015790A (en) | Titanium dioxide microsphere photocatalyst capable of degrading organic pollutant and its prodn. method | |
| CN103240105B (en) | Preparation method of hollow silver phosphotungstate visible-light-induced photocatalyst | |
| CN105582916A (en) | Method for preparing photocatalyst by sequentially depositing nanogold and rhodium on titanium dioxide | |
| CN111744503A (en) | Z-shaped heterojunction MoS2/Bi2WO6Composite photocatalyst and preparation method and application thereof | |
| CN104927097A (en) | Method for preparing nano titanium dioxide/chitosan composite material by using microwave hydrothermal method | |
| CN103272647B (en) | A kind of preparation method for dye decolored cellulose base ZnO-CdS composite photo-catalyst | |
| CN105498750B (en) | Bismuth tungstate/graphene photo-catalyst preparation method with wide spectrum degradation property | |
| CN102125831B (en) | Preparation Method of Mesoporous Bi2O3/TiO2 Nano Photocatalyst | |
| CN101947439B (en) | Novel indoor air purifying agent and preparation method thereof | |
| CN112010387A (en) | A method for ultrasonic-assisted rod-shaped zinc oxide photocatalytic degradation of dyes | |
| CN109046306B (en) | A kind of preparation method of visible light responsive composite photocatalytic film | |
| CN109794289B (en) | Handwheel type titanyl oxalate photocatalyst and preparation method thereof | |
| CN101745376A (en) | Mesoporous metal oxide photocatalyst preparation method taking plant latex as template | |
| CN110833865A (en) | Preparation method of high-stability catalytic membrane for generating singlet oxygen | |
| CN110227525A (en) | A kind of two dimension catalysis material and preparation method thereof and its application method | |
| CN109331841A (en) | A kind of CdS nanometer snowflake photocatalyst and its preparation method and application | |
| CN109046302B (en) | Porous petal-shaped anatase TiO2Nanocrystalline thin film and preparation method thereof | |
| CN107051416A (en) | A kind of preparation method of the nano titanium oxide with photocatalysis performance | |
| CN110227441B (en) | Photocatalyst and preparation method and application thereof | |
| CN113562804A (en) | A kind of method for degrading herbicide with visible light | |
| CN109201026A (en) | A kind of preparation method and application of visible light-responded auto-dope photochemical catalyst | |
| CN111054349A (en) | Preparation method of black porous zinc oxide photocatalyst |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |