CN110479111A - A kind of preparation method of photocatalysis composite ceramic film - Google Patents
A kind of preparation method of photocatalysis composite ceramic film Download PDFInfo
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- CN110479111A CN110479111A CN201910773065.2A CN201910773065A CN110479111A CN 110479111 A CN110479111 A CN 110479111A CN 201910773065 A CN201910773065 A CN 201910773065A CN 110479111 A CN110479111 A CN 110479111A
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- support body
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- composite ceramic
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- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 31
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 31
- 239000000919 ceramic Substances 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 16
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000002243 precursor Substances 0.000 claims abstract description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910010413 TiO 2 Inorganic materials 0.000 claims abstract description 8
- 229960000583 acetic acid Drugs 0.000 claims abstract description 8
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004327 boric acid Substances 0.000 claims abstract description 8
- 229960000935 dehydrated alcohol Drugs 0.000 claims abstract description 8
- 239000007789 gas Substances 0.000 claims abstract description 8
- 239000012362 glacial acetic acid Substances 0.000 claims abstract description 8
- 238000000227 grinding Methods 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 8
- 238000010792 warming Methods 0.000 claims abstract description 8
- 238000007598 dipping method Methods 0.000 claims abstract description 7
- 235000019353 potassium silicate Nutrition 0.000 claims abstract description 7
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052593 corundum Inorganic materials 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract description 11
- 239000000149 chemical water pollutant Substances 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052755 nonmetal Inorganic materials 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0039—Inorganic membrane manufacture
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/12—Composite membranes; Ultra-thin membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/024—Oxides
- B01D71/025—Aluminium oxide
-
- 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
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/06—Contaminated groundwater or leachate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Toxicology (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Catalysts (AREA)
Abstract
The present invention is suitable for ceramic membrane preparation technical field, provides a kind of preparation method of photocatalysis composite ceramic film, which comprises ethylenediamine, boric acid, thiocarbamide and butyl titanate colloidal sol are mixed and made into composite precursor；Dehydrated alcohol is instilled in obtained compound precursor body and carry out wet ball grinding is mixed evenly in glacial acetic acid, obtains faint yellow titanium dioxide vitreosol；Liquid glass solution is added in titanium dioxide vitreosol to be impregnated, dip time 30-50min；TiO 2 sol after dipping is coated on flat support body；Coated flat support body is placed under room temperature environment of the humidity less than 40% and saves 12-24h；It takes out flat support body and is put into Muffle kiln roasting in nitrogen as protective gas, be warming up to 500 DEG C with the speed of 2 DEG C -5 DEG C/min, constant temperature keeps 2-8h；Flat support body is taken out into cooled to room temperature from Muffle furnace, obtains photocatalysis composite ceramic film.
Description
Technical field
The invention belongs to ceramic membrane preparation technical field more particularly to a kind of preparation methods of photocatalysis composite ceramic film.
Background technique
Inorganic ceramic ultra-filtering film is sintered by ceramic raw material, therefore compared with organic film, has better heat-resisting quantity
The advantages that energy, resistance to chemical corrosion, higher mechanical strength, stronger inoxidizability and easy cleaning.Not with cost
Disconnected to reduce, inorganic ceramic membrane is gradually promoted the use of in water treatment applications, and some drinking water and city dirt at home and abroad
Organic film is partially substituted in water treatment plant.Ceramic membrane is used for the processing of landfill leachate, chemical corrosion resistance can be given full play to
The advantages that energy, easy cleaning.
But due to COD of waste leachate height, turbidity is big, when using membrane separation technique processing landfill leachate, film is dirty
The problems such as dye, concentration polarization, leads to flux depression, and film reduced service life becomes membrane separation technique in processing landfill leachate
When it is main apply bottleneck.
Summary of the invention
In order to solve above-mentioned the technical problems existing in the prior art, the present invention provides a kind of photocatalysis composite ceramic film
Preparation method.
The invention is realized in this way a kind of preparation method of photocatalysis composite ceramic film, the method includes walking as follows
It is rapid:
A, ethylenediamine, boric acid, thiocarbamide and butyl titanate colloidal sol are mixed and made into composite precursor；
B, dehydrated alcohol is instilled in the compound precursor body obtained in step and carry out wet process is mixed evenly in glacial acetic acid
Ball milling obtains faint yellow titanium dioxide vitreosol；
C, liquid glass solution is added in titanium dioxide vitreosol to be impregnated, dip time 30-50min；It will
TiO 2 sol after dipping is coated on flat support body；
D, coated flat support body is placed under room temperature environment of the humidity less than 40% and saves 12-24h；
E, it takes out flat support body and Muffle kiln roasting is put into, with 2 DEG C -5 DEG C/min's in nitrogen as protective gas
Speed is warming up to 500 DEG C, and constant temperature keeps 2-8h；
F, flat support body is taken out into from Muffle furnace cooled to room temperature, obtains photocatalysis composite ceramic film.
Preferably, the wet ball grinding time is 8-16 hours, material: ball: the ratio of water is 1: 2: 1.5, revolving speed 200-
300r/min。
Preferably, the flat support body is made of Al2O3 material.
Preferably, the concentration of the liquid glass solution is 40-45 Baume degrees.
The preparation method of photocatalysis composite ceramic film provided in an embodiment of the present invention, with ethylenediamine, boric acid, thiocarbamide and metatitanic acid
Four butyl ester colloidal sols are mixed and made into composite precursor, and instill dehydrated alcohol and carry out wet ball grinding is mixed evenly in glacial acetic acid,
The TiO 2 sol of nonmetal doping is obtained, it is coated on flat support body after dipping and is placed in humidity less than 40%
Save 12-24h under room temperature environment, then take out in nitrogen as protective gas, be put into Muffle kiln roasting, with 2 DEG C -5 DEG C/
The speed of min is warming up to 500 DEG C, and constant temperature keeps 2-8h, finally takes out cooled to room temperature, obtains photocatalysis composite ceramic
Film has photocatalysis effect under the action of uv light, and film when alleviating processing landfill leachate using photocatalysis technology is dirty
Phenomenon is contaminated, to improve UF membrane efficiency, and improves light-catalyzed reaction system to difficult to degrade, toxic organic compound in landfill leachate
The specific aim of degradation, service life can reach 3000-5000h.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.
Fig. 1 is a kind of flow chart of the preparation method of photocatalysis composite ceramic film provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In embodiments of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be position based on the figure or positional relationship, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as limitation of the invention.In addition, term " first ", " second ", "
Three " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance, equally, "one", " one " or "the" etc.
Similar word does not indicate that quantity limits yet, but indicates that there are at least one.The similar word meaning such as " comprising " or "comprising"
Point out that element or object before the existing word are covered the element for appearing in the word presented hereinafter or object and its be equal, without
Exclude other elements or object.
In addition, in embodiments of the present invention unless specifically defined or limited otherwise, term " installation ", " connects " connected "
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be and be directly connected to, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The preparation method of photocatalysis composite ceramic film provided in an embodiment of the present invention, with ethylenediamine, boric acid, thiocarbamide and metatitanic acid
Four butyl ester colloidal sols are mixed and made into composite precursor, and instill dehydrated alcohol and carry out wet ball grinding is mixed evenly in glacial acetic acid,
The TiO 2 sol of nonmetal doping is obtained, it is coated on flat support body after dipping and is placed in humidity less than 40%
Save 12-24h under room temperature environment, then take out in nitrogen as protective gas, be put into Muffle kiln roasting, with 2 DEG C -5 DEG C/
The speed of min is warming up to 500 DEG C, and constant temperature keeps 2-8h, finally takes out cooled to room temperature, obtains photocatalysis composite ceramic
Film has photocatalysis effect under the action of uv light, and film when alleviating processing landfill leachate using photocatalysis technology is dirty
Phenomenon is contaminated, to improve UF membrane efficiency, and improves light-catalyzed reaction system to difficult to degrade, toxic organic compound in landfill leachate
The specific aim of degradation, service life can reach 3000-5000h.
Specific implementation of the invention is described in detail below in conjunction with specific embodiment.
Fig. 1 shows a kind of flow chart of the preparation method of photocatalysis composite ceramic film provided in an embodiment of the present invention, in detail
It states as follows:
A, ethylenediamine, boric acid, thiocarbamide and butyl titanate colloidal sol are mixed and made into composite precursor.
B, dehydrated alcohol is instilled in the compound precursor body obtained in step and carry out wet process is mixed evenly in glacial acetic acid
Ball milling obtains faint yellow titanium dioxide vitreosol.
C, liquid glass solution is added in titanium dioxide vitreosol to be impregnated, dip time 30-50min；It will
TiO 2 sol after dipping is coated on flat support body.
D, coated flat support body is placed under room temperature environment of the humidity less than 40% and saves 12-24h.
E, it takes out flat support body and Muffle kiln roasting is put into, with 2 DEG C -5 DEG C/min's in nitrogen as protective gas
Speed is warming up to 500 DEG C, and constant temperature keeps 2-8h.
F, flat support body is taken out into from Muffle furnace cooled to room temperature, obtains photocatalysis composite ceramic film.
In the present embodiment, composite precursor is mixed and made into ethylenediamine, boric acid, thiocarbamide and butyl titanate colloidal sol, and
It instills dehydrated alcohol and carry out wet ball grinding is mixed evenly in glacial acetic acid, obtain the TiO 2 sol of nonmetal doping, soak
It is coated on to be placed under room temperature environment of the humidity less than 40% on flat support body after stain and saves 12-24h, is then taken out
Nitrogen is put into Muffle kiln roasting as protective gas, is warming up to 500 DEG C with the speed of 2 DEG C -5 DEG C/min, constant temperature keeps 2-
8h finally takes out cooled to room temperature, obtains photocatalysis composite ceramic film, under the action of uv light, has photocatalysis effect
Fruit is alleviated fouling membrane phenomenon when processing landfill leachate using photocatalysis technology, to improve UF membrane efficiency, and improved
The specific aim that light-catalyzed reaction system degrades to difficult to degrade in landfill leachate, toxic organic compound, service life can reach 3000-
5000h。
Among the above, specifically, the wet ball grinding time is 8-16 hours, material: ball: the ratio of water is 1: 2: 1.5, revolving speed
For 200-300r/min.
Among the above, specifically, the flat support body is made of Al2O3 material.
Among the above, specifically, the concentration of the liquid glass solution is 40-45 Baume degrees.
The preparation method of photocatalysis composite ceramic film provided in an embodiment of the present invention, with ethylenediamine, boric acid, thiocarbamide and metatitanic acid
Four butyl ester colloidal sols are mixed and made into composite precursor, and instill dehydrated alcohol and carry out wet ball grinding is mixed evenly in glacial acetic acid,
The TiO 2 sol of nonmetal doping is obtained, it is coated on flat support body after dipping and is placed in humidity less than 40%
Save 12-24h under room temperature environment, then take out in nitrogen as protective gas, be put into Muffle kiln roasting, with 2 DEG C -5 DEG C/
The speed of min is warming up to 500 DEG C, and constant temperature keeps 2-8h, finally takes out cooled to room temperature, obtains photocatalysis composite ceramic
Film has photocatalysis effect under the action of uv light, and film when alleviating processing landfill leachate using photocatalysis technology is dirty
Phenomenon is contaminated, to improve UF membrane efficiency, and improves light-catalyzed reaction system to difficult to degrade, toxic organic compound in landfill leachate
The specific aim of degradation, service life can reach 3000-5000h.
There is the following to need to illustrate:
(1), unless otherwise defined, in the embodiment of the present invention and attached drawing, same label represents same meaning.
(2), it in attached drawing of the embodiment of the present invention, relates only to the present embodiments relate to the structure arrived, other structures can
With reference to being commonly designed.
(3), for clarity, in the attached drawing of embodiment for describing the present invention, the thickness in layer or region is put
Greatly.It is appreciated that when the element of such as layer, film, region or substrate etc is referred to as being located at "above" or "below" another element, it should
Element " direct " can be located at "above" or "below" another element, or may exist intermediary element.
(4), in the absence of conflict, the feature in the same embodiment of the invention and different embodiment can be mutual group
It closes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (4)
1. a kind of preparation method of photocatalysis composite ceramic film, which is characterized in that described method includes following steps:
A, ethylenediamine, boric acid, thiocarbamide and butyl titanate colloidal sol are mixed and made into composite precursor；
B, dehydrated alcohol is instilled in the compound precursor body obtained in step and glacial acetic acid is mixed evenly and carries out wet process ball
Mill, obtains faint yellow titanium dioxide vitreosol；
C, liquid glass solution is added in titanium dioxide vitreosol to be impregnated, dip time 30-50min；It will dipping
TiO 2 sol afterwards is coated on flat support body；
D, coated flat support body is placed under room temperature environment of the humidity less than 40% and saves 12-24h；
E, it takes out flat support body and Muffle kiln roasting is put into, with the speed of 2 DEG C -5 DEG C/min in nitrogen as protective gas
500 DEG C are warming up to, constant temperature keeps 2-8h；
F, flat support body is taken out into from Muffle furnace cooled to room temperature, obtains photocatalysis composite ceramic film.
2. the preparation method of photocatalysis composite ceramic film as described in claim 1, which is characterized in that the wet ball grinding time
It is 8-16 hours, material: ball: the ratio of water is 1: 2: 1.5, revolving speed 200-300r/min.
3. the preparation method of photocatalysis composite ceramic film as described in claim 1, which is characterized in that the flat support body by
Al2O3 material is made.
4. the preparation method of photocatalysis composite ceramic film as described in claim 1, which is characterized in that the liquid glass solution
Concentration be 40-45 Baume degrees.
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| CN201910773065.2A CN110479111A (en) | 2019-08-21 | 2019-08-21 | A kind of preparation method of photocatalysis composite ceramic film |
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| CN201910773065.2A CN110479111A (en) | 2019-08-21 | 2019-08-21 | A kind of preparation method of photocatalysis composite ceramic film |
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| CN110479111A true CN110479111A (en) | 2019-11-22 |
Family
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111862835A (en) * | 2020-07-02 | 2020-10-30 | Tcl华星光电技术有限公司 | Display back plate, manufacturing method thereof and display device |
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|---|---|---|---|---|
| US5096745A (en) * | 1987-07-27 | 1992-03-17 | Wisconsin Alumni Research Foundation | Preparation of titanium oxide ceramic membranes |
| CN1579999A (en) * | 2004-05-20 | 2005-02-16 | 北京化工大学 | Preparation of multi-photon nano composite membrane self-cleaning (antibacterial) ceramic by combined technique |
| CN1850618A (en) * | 2006-05-19 | 2006-10-25 | 南京师范大学 | Nitrogen and sulfur two-component doped nano titanium dioxide with long-wave absorbing function and its preparing method |
| CN101053781A (en) * | 2007-02-05 | 2007-10-17 | 陕西师范大学 | Method for preparing titanium dioxide ceramic micro filter membrane on the porous stainless steel base |
| CN101301619A (en) * | 2008-07-03 | 2008-11-12 | 南开大学 | Method for preparing high efficiency metallic, non-metallic ion co-doped nano-TiO2 visible-light responsive photocatalyst |
| CN101444724A (en) * | 2008-12-24 | 2009-06-03 | 南开大学 | Method for preparing high activity non-metallic ion co-doped titanium dioxide photochemical catalyst |
| CN108046788A (en) * | 2017-12-08 | 2018-05-18 | 刘惠强 | A kind of preparation method of self-cleaning ceramic film |
| CN109925893A (en) * | 2019-04-23 | 2019-06-25 | 深圳技术大学 | Visible light catalytic composite ceramic nanofiltration membrane and preparation method and application thereof |
-
2019
- 2019-08-21 CN CN201910773065.2A patent/CN110479111A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096745A (en) * | 1987-07-27 | 1992-03-17 | Wisconsin Alumni Research Foundation | Preparation of titanium oxide ceramic membranes |
| CN1579999A (en) * | 2004-05-20 | 2005-02-16 | 北京化工大学 | Preparation of multi-photon nano composite membrane self-cleaning (antibacterial) ceramic by combined technique |
| CN1850618A (en) * | 2006-05-19 | 2006-10-25 | 南京师范大学 | Nitrogen and sulfur two-component doped nano titanium dioxide with long-wave absorbing function and its preparing method |
| CN101053781A (en) * | 2007-02-05 | 2007-10-17 | 陕西师范大学 | Method for preparing titanium dioxide ceramic micro filter membrane on the porous stainless steel base |
| CN101301619A (en) * | 2008-07-03 | 2008-11-12 | 南开大学 | Method for preparing high efficiency metallic, non-metallic ion co-doped nano-TiO2 visible-light responsive photocatalyst |
| CN101444724A (en) * | 2008-12-24 | 2009-06-03 | 南开大学 | Method for preparing high activity non-metallic ion co-doped titanium dioxide photochemical catalyst |
| CN108046788A (en) * | 2017-12-08 | 2018-05-18 | 刘惠强 | A kind of preparation method of self-cleaning ceramic film |
| CN109925893A (en) * | 2019-04-23 | 2019-06-25 | 深圳技术大学 | Visible light catalytic composite ceramic nanofiltration membrane and preparation method and application thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111862835A (en) * | 2020-07-02 | 2020-10-30 | Tcl华星光电技术有限公司 | Display back plate, manufacturing method thereof and display device |
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Inventor after: Xu Jianhui Inventor after: He Di Inventor after: Zhao Jianshu Inventor after: Zhou Hongbo Inventor after: Xu Fei Inventor before: Xu Jianhui Inventor before: He Di Inventor before: Zhao Jianshu Inventor before: Zhou Hongbo Inventor before: Xu Fei Inventor before: Guo Yu Inventor before: Wang Guangzhao Inventor before: Liu Guojun Inventor before: Xie Wang |
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Application publication date: 20191122 |