CN110694694A - Anatase type visible light irrelevant two-in-one photocatalyst solution and preparation method thereof - Google Patents
Anatase type visible light irrelevant two-in-one photocatalyst solution and preparation method thereof Download PDFInfo
- Publication number
- CN110694694A CN110694694A CN201911051061.XA CN201911051061A CN110694694A CN 110694694 A CN110694694 A CN 110694694A CN 201911051061 A CN201911051061 A CN 201911051061A CN 110694694 A CN110694694 A CN 110694694A
- Authority
- CN
- China
- Prior art keywords
- solution
- visible light
- photocatalyst solution
- photocatalyst
- anatase type
- 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
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 64
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 20
- 239000000654 additive Substances 0.000 claims abstract description 19
- 239000008367 deionised water Substances 0.000 claims abstract description 16
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004410 anthocyanin Substances 0.000 claims abstract description 13
- 229930002877 anthocyanin Natural products 0.000 claims abstract description 13
- 235000010208 anthocyanin Nutrition 0.000 claims abstract description 13
- 150000004636 anthocyanins Chemical class 0.000 claims abstract description 13
- 150000002500 ions Chemical class 0.000 claims abstract description 13
- 239000000243 solution Substances 0.000 claims description 56
- 238000001914 filtration Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 230000000536 complexating effect Effects 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 9
- 230000000996 additive effect Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 230000002744 anti-aggregatory effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000011259 mixed solution Substances 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 7
- 230000000593 degrading effect Effects 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
Images
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
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Catalysts (AREA)
Abstract
The invention relates to an anatase type visible light irrelevant two-in-one photocatalyst solution and a preparation method thereof, belonging to the technical field of photocatalysts, wherein the photocatalyst solution comprises the following basic components: 8% -20% of titanium dioxide, 2% -10% of negative ions, 4% -8% of anthocyanin, 1% -2% of additives and 55% -90% of deionized water.
Description
Technical Field
The invention belongs to the technical field of photocatalysts, and particularly relates to an anatase type visible light irrelevant two-in-one photocatalyst solution and a preparation method thereof.
Background
The photocatalyst is a general name of a photo-semiconductor material with a photocatalytic function represented by nano-scale titanium dioxide, is coated on the surface of a substrate, and generates a strong catalytic degradation function under the action of ultraviolet light and visible light: can effectively degrade toxic and harmful gases in the air; can effectively kill various bacteria and decompose and harmlessly treat toxins released by bacteria or fungi; meanwhile, the composite material also has the functions of removing formaldehyde, deodorizing, resisting pollution, purifying air and the like.
In reality, photocatalyst solution is often prepared to be sprayed on the surface of an object or in the air to eliminate peculiar smell or harmful gas.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to solve the problem of difficult odor elimination in the prior art, and provides an anatase type visible light irrelevant two-in-one photocatalyst solution and a preparation method thereof.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to an anatase type visible light irrelevant two-in-one photocatalyst solution, which comprises the following basic components: 8-20% of titanium dioxide, 2-10% of negative ions, 4-8% of anthocyanin, 1-2% of additives and 55-90% of deionized water.
Preferably, the titanium dioxide is selected from fourth generation titanium dioxide nano-grade powder.
Preferably, the additives include, but are not limited to, metal organic complexes and dispersants.
A preparation method of an anatase type visible light irrelevant two-in-one photocatalyst solution comprises the following steps:
s100, adding a proper amount of titanium dioxide into deionized water, and stirring to obtain a primary solution;
s200, complexing, namely adding an additive into the primary liquid to perform metal complexing and anti-settling and anti-aggregation to obtain a suspension;
s300, neutralizing, namely adding negative ions into the mixed solution to neutralize the pH value to obtain a neutralized solution;
s400, resisting oxidation, namely adding anthocyanin into the neutralization solution to resist oxidation to obtain a stabilizer;
s500, filtering, and finally filtering the stabilizer to obtain the photocatalyst solution.
Preferably, the specific method of complexing in step S200 is to add the additive into the initial solution and continuously stir, and the whole process adopts a heating state.
Preferably, the exchange temperature in step S300 is 40-60 deg.C, and the reaction time is more than 2 h.
Preferably, the specific filtering method in step S500 is to filter and wash the stabilizer for multiple times, dissolve the obtained filter residue with deionized water, filter, and finally, stand and cool the solution to obtain the photocatalyst solution.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
(1) the invention relates to an anatase type visible light irrelevant two-in-one photocatalyst solution, which comprises the following basic components: 8-20% of titanium dioxide, 2-10% of negative ions, 4-8% of anthocyanin, 1-2% of additives and 55-90% of deionized water.
Drawings
FIG. 1 is a comparative diagram of an embodiment of an anatase type visible light independent two-in-one photocatalyst solution according to the present invention;
FIG. 2 is an XRD diagram of a photocatalyst solution of an anatase type visible light-independent two-in-one photocatalyst solution according to the present invention.
Detailed Description
In order that the invention may be more fully understood, there is shown in the drawings several embodiments of the invention which may be embodied in many different forms and not limited to the embodiments described herein, but on the contrary, are provided for the purpose of giving a more complete disclosure of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The anatase type visible light irrelevant two-in-one photocatalyst solution comprises the following basic components: 8-20% of titanium dioxide, 2-10% of negative ions, 4-8% of anthocyanin, 1-2% of additives and 55-90% of deionized water.
The titanium dioxide is selected from the fourth generation titanium dioxide nano-grade powder, the photocatalyst prepared from the material is easy to store for a long time without deterioration, and meanwhile, the whole capability of adsorbing peculiar smell is strong, and the removal effect is good.
The additives include, but are not limited to, metal organic complexes and dispersants, and the addition of the metal organic complexes improves the stability of the photocatalyst, while the dispersants effectively prevent settling and agglomeration to further improve stability.
A preparation method of an anatase type visible light irrelevant two-in-one photocatalyst solution comprises the following steps:
s100, adding a proper amount of titanium dioxide into deionized water, and stirring to obtain a primary solution;
s200, complexing, namely adding an additive into the primary liquid to perform metal complexing and anti-settling and anti-aggregation to obtain a suspension;
s300, neutralizing, namely adding negative ions into the mixed solution to neutralize the pH value to obtain a neutralized solution;
s400, resisting oxidation, namely adding anthocyanin into the neutralization solution to resist oxidation to obtain a stabilizer;
s500, filtering, and finally filtering the stabilizer to obtain the photocatalyst solution.
The specific method of the complexing in the step S200 is to add the additive into the initial solution and continuously stir, and the whole process adopts a heating state.
The exchange temperature in the step S300 is 40-60 ℃, and the reaction time is more than 2 h.
The specific filtering method in the step S500 includes filtering and washing the stabilizer for multiple times, dissolving the obtained filter residue with deionized water, filtering, and finally standing and cooling the solution to obtain the photocatalyst solution.
Example 1
The anatase type visible light irrelevant two-in-one photocatalyst solution of the embodiment is characterized in that: the photocatalyst solution comprises the following basic components: 8% of titanium dioxide, 2% of negative ions, 5% of anthocyanin, 1% of additive and 84% of deionized water.
The time for degrading more than 95 percent of harmful gas in unit volume by adopting the photocatalyst solution prepared by the mixture ratio is measured to be 3 hours.
Example 2
The anatase type visible light irrelevant two-in-one photocatalyst solution of the embodiment is characterized in that: the photocatalyst solution comprises the following basic components: 15% of titanium dioxide, 5% of negative ions, 4% of anthocyanin, 1% of additive and 75% of deionized water.
The time for degrading more than 95 percent of harmful gas in unit volume by adopting the photocatalyst solution prepared by the mixture ratio is measured to be 2.5 hours.
Example 3
The anatase type visible light irrelevant two-in-one photocatalyst solution of the embodiment is characterized in that: the photocatalyst solution comprises the following basic components: 20% of titanium dioxide, 10% of negative ions, 8% of anthocyanin, 2% of additives and 60% of deionized water.
The time for degrading more than 95 percent of harmful gas in unit volume by adopting the photocatalyst solution prepared by the mixture ratio is measured to be 1 hour.
Example 4
The anatase type visible light irrelevant two-in-one photocatalyst solution of the embodiment is characterized in that: the photocatalyst solution comprises the following basic components: 20% of titanium dioxide, 2% of negative ions, 8% of anthocyanin, 2% of additives and 68% of deionized water.
The time for degrading more than 95 percent of harmful gas in unit volume by adopting the photocatalyst solution prepared by the mixture ratio is measured to be 1.7 h.
Example 5
The anatase type visible light irrelevant two-in-one photocatalyst solution of the embodiment is characterized in that: the photocatalyst solution comprises the following basic components: 20% of titanium dioxide, 5% of negative ions, 8% of anthocyanin, 2% of additives and 65% of deionized water.
The time for degrading more than 95 percent of harmful gas in unit volume by adopting the photocatalyst solution prepared by the mixture ratio is measured to be 1.2 h.
The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. An anatase type visible light irrelevant two-in-one photocatalyst solution is characterized in that: the photocatalyst solution comprises the following basic components: 8-20% of titanium dioxide, 2-10% of negative ions, 4-8% of anthocyanin, 1-2% of additives and 55-90% of deionized water.
2. The anatase visible light irrelevant two-in-one photocatalyst solution as defined in claim 1, wherein: the titanium dioxide is selected from four-generation titanium dioxide nano-grade powder.
3. The anatase visible light irrelevant two-in-one photocatalyst solution as defined in claim 1, wherein: such additives include, but are not limited to, metal organic complexes and dispersants.
4. A preparation method of an anatase type visible light irrelevant two-in-one photocatalyst solution is characterized by comprising the following steps: the preparation method comprises the following steps:
s100, adding a proper amount of titanium dioxide into deionized water, and stirring to obtain a primary solution;
s200, complexing, namely adding an additive into the primary liquid to perform metal complexing and anti-settling and anti-aggregation to obtain a suspension;
s300, neutralizing, namely adding negative ions into the mixed solution to neutralize the pH value to obtain a neutralized solution;
s400, resisting oxidation, namely adding anthocyanin into the neutralization solution to resist oxidation to obtain a stabilizer;
s500, filtering, and finally filtering the stabilizer to obtain the photocatalyst solution.
5. The method for preparing anatase type visible light irrelevant two-in-one photocatalyst solution as claimed in claim 4, wherein: the specific method of complexing in the step S200 is to add the additive into the initial solution and continuously stir the mixture, and the whole process adopts a heating state.
6. The method for preparing anatase type visible light irrelevant two-in-one photocatalyst solution as claimed in claim 4, wherein: the exchange temperature in the step S300 is 40-60 ℃, and the reaction time is more than 2 h.
7. The method for preparing anatase type visible light irrelevant two-in-one photocatalyst solution as claimed in claim 4, wherein: the specific filtering method in the step S500 comprises the steps of filtering and washing the stabilizer for multiple times, dissolving the obtained filter residue with deionized water, filtering, and finally standing and cooling the solution to obtain the photocatalyst solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051061.XA CN110694694A (en) | 2019-10-31 | 2019-10-31 | Anatase type visible light irrelevant two-in-one photocatalyst solution and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911051061.XA CN110694694A (en) | 2019-10-31 | 2019-10-31 | Anatase type visible light irrelevant two-in-one photocatalyst solution and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110694694A true CN110694694A (en) | 2020-01-17 |
Family
ID=69203938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911051061.XA Pending CN110694694A (en) | 2019-10-31 | 2019-10-31 | Anatase type visible light irrelevant two-in-one photocatalyst solution and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110694694A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408353A (en) * | 2020-04-14 | 2020-07-14 | 芜湖胖蛙环保科技有限公司 | High-efficiency deodorant based on ethanol and baking soda and preparation method thereof |
| CN111729503A (en) * | 2020-06-18 | 2020-10-02 | 天津洁清馨科技有限公司 | Complexing nano-superposition odor-removing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454708A (en) * | 2002-04-30 | 2003-11-12 | 中国人民解放军63971部队 | Method of preparing composite photocatalytic material for air purification |
| CN107754865A (en) * | 2017-11-02 | 2018-03-06 | 广州怡居节能环保科技有限公司 | A kind of negative ion type photocatalyst and preparation method thereof |
-
2019
- 2019-10-31 CN CN201911051061.XA patent/CN110694694A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1454708A (en) * | 2002-04-30 | 2003-11-12 | 中国人民解放军63971部队 | Method of preparing composite photocatalytic material for air purification |
| CN107754865A (en) * | 2017-11-02 | 2018-03-06 | 广州怡居节能环保科技有限公司 | A kind of negative ion type photocatalyst and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| AHED ZYOUD: "Alternative natural dyes in water purification: Anthocyanin as TiO2-sensitizer in methyl orange photo-degradation", 《SOLID STATE SCIENCES》 * |
| 李红娟: "纳米二氧化钛分散性能与光催化活性研究", 《涂料工业》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111408353A (en) * | 2020-04-14 | 2020-07-14 | 芜湖胖蛙环保科技有限公司 | High-efficiency deodorant based on ethanol and baking soda and preparation method thereof |
| CN111729503A (en) * | 2020-06-18 | 2020-10-02 | 天津洁清馨科技有限公司 | Complexing nano-superposition odor-removing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5507787B2 (en) | Aqueous composition containing metal composition, and deodorant, antibacterial agent and antifungal agent comprising the aqueous composition | |
| US8791044B2 (en) | Doped titanium dioxide as a visible and sun light photo catalyst | |
| CN110694694A (en) | Anatase type visible light irrelevant two-in-one photocatalyst solution and preparation method thereof | |
| CN100335166C (en) | Method for synthesizing titanium dioxide doped light catalyst from sol-gel low-temperature burn | |
| JP2006021991A (en) | Method for producing metal doped titanium oxide particulate | |
| CN104824020A (en) | Preparation method of nanometer titanium dioxide composite nanometer silver sol | |
| WO2010028016A2 (en) | Titania dispersion and method for making | |
| US20220395439A1 (en) | Antibacterial deodorant composition and production method therefor | |
| CN102051075B (en) | Environment-friendly spraying agent for nanometer photocatalyst wall and preparation method thereof | |
| JP2017149860A (en) | Antibacterial catalyst-containing coating agent and production method of same | |
| CN111990411B (en) | Composite intermediate-effect disinfectant and preparation process thereof | |
| CN106560243A (en) | Antibacterial metal ion/titanium-supporting hydroxyapatite nanometer photocatalyst and preparation method thereof | |
| US7138357B2 (en) | Photocatalyst containing titanium oxide, the production method and use of the same | |
| CN103801323A (en) | Catalyst for controlling nitric oxide and chlorinated benzenes pollutants in coupling manner, preparation method and application thereof | |
| CN101318135A (en) | Method for preparation of visible light responding zinc ferrous acid nanocrystalline colloidal sol | |
| KR20050006267A (en) | Antibacterial and anti-staining paint for building material and building material coated therewith | |
| CN106031886A (en) | Neutral photocatalytic coating agent, preparation method and coating method thereof | |
| WO1998053132A1 (en) | Natural fibers containing titanium oxide and process for producing the same | |
| KR20010000418A (en) | Adsorption and deodorizing catalyst of malodors and a preparing method of the catalyst | |
| CN112138528A (en) | Deodorant and preparation method thereof | |
| CA2847562A1 (en) | Method for producing silver-ion antibacterial liquid, silver-ion antibacterial liquid produced by said method, method for producing silver-ion antibacterial powder, and silver-ion antibacterial powder produced by said method | |
| CN112517046A (en) | Universal preparation method of hierarchical-pore nitrogen-doped carbon-oxygen reduction catalyst based on double-pore-foaming agent synthesis | |
| CN106334551A (en) | Photocatalyst air catalysis material and preparation method thereof | |
| CN1454944A (en) | Antibacterial water-based coating composition | |
| CN111482165A (en) | Preparation method of modified photocatalyst solution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200117 |
|
| RJ01 | Rejection of invention patent application after publication |