CN103551203A - Preparation method for loading titanium dioxide (TiO2) nano fiber photocatalyst on basalt cellucotton substrate - Google Patents
Preparation method for loading titanium dioxide (TiO2) nano fiber photocatalyst on basalt cellucotton substrate Download PDFInfo
- Publication number
- CN103551203A CN103551203A CN201310556821.9A CN201310556821A CN103551203A CN 103551203 A CN103551203 A CN 103551203A CN 201310556821 A CN201310556821 A CN 201310556821A CN 103551203 A CN103551203 A CN 103551203A
- Authority
- CN
- China
- Prior art keywords
- basalt fibre
- basalt
- cotton
- preparation
- tio
- 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.)
- Granted
Links
- 239000002121 nanofiber Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title abstract description 18
- 239000000758 substrate Substances 0.000 title abstract 6
- 239000011941 photocatalyst Substances 0.000 title abstract 3
- 239000003054 catalyst Substances 0.000 claims abstract description 27
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 19
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 11
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 8
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 6
- 239000002243 precursor Substances 0.000 claims abstract description 4
- 229920002748 Basalt fiber Polymers 0.000 claims description 43
- 229920000742 Cotton Polymers 0.000 claims description 38
- 239000011159 matrix material Substances 0.000 claims description 22
- 238000007747 plating Methods 0.000 claims description 15
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 14
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 7
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000009987 spinning Methods 0.000 claims description 4
- 241000080590 Niso Species 0.000 claims description 3
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 3
- 229940040526 anhydrous sodium acetate Drugs 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 238000010041 electrostatic spinning Methods 0.000 claims description 3
- 239000004310 lactic acid Substances 0.000 claims description 3
- 235000014655 lactic acid Nutrition 0.000 claims description 3
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 claims description 3
- 235000019260 propionic acid Nutrition 0.000 claims description 3
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 3
- 239000001488 sodium phosphate Substances 0.000 claims description 3
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 abstract description 6
- 230000001699 photocatalysis Effects 0.000 abstract description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 abstract 2
- 238000001523 electrospinning Methods 0.000 abstract 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 21
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- STZCRXQWRGQSJD-GEEYTBSJSA-M methyl orange Chemical compound [Na+].C1=CC(N(C)C)=CC=C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-GEEYTBSJSA-M 0.000 description 4
- 229940012189 methyl orange Drugs 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 238000002835 absorbance Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- STZCRXQWRGQSJD-UHFFFAOYSA-M sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate Chemical compound [Na+].C1=CC(N(C)C)=CC=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 STZCRXQWRGQSJD-UHFFFAOYSA-M 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002906 medical waste Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Catalysts (AREA)
Abstract
The invention relates to a preparation method for loading a titanium dioxide (TiO2) nano fiber photocatalyst on a basalt cellucotton substrate. The method comprises the following raw materials: tetrabutyl titanate, polyvinylpyrrolidone (PVPK90), absolute ethyl alcohol, nitric acid and basalt cellucotton. A precursor solution is prepared by adopting tetrabutyl titanate, nitric acid and polyvinylpyrrolidone (PVPK90), PVP/TiO2 composite fibers are precipitated on the basalt cellucotton substrate after being pre-processed by an electrospinning technique, then the basalt cellucotton substrate with the PVP/TiO2 composite fibers is insulated and sintered and then cooled to the room temperature, so that the photocatalyst with TiO2 nano fibers being loaded on the basalt cellucotton substrate is obtained. The method is characterized in that the TiO2 nano fibers with large draw ratio, controllable diameter and large specific surface area is loaded on the basalt cellucotton substrate with large porous surface area, so that the TiO2 photocatalytic efficiency is improved, and the catalyst is easy to recover.
Description
Technical field
The present invention relates to load TiO on the cotton matrix of a kind of basalt fibre
2the preparation method of nanofiber photochemical catalyst, relates to material for water treatment field.
Background technology
According to recent statistics, the annual textile printing and dyeing wastewater discharge capacity of China is 7,000,000,000 tons, contains multiple strong toxicity, organic compound that concentration is high in this class organic wastewater, and traditional processing method has flocculent precipitation, absorption method, biochemical process and chemical oxidization method etc.These methods all exist that power consumption is large, cost is high and process the problems such as not thorough, therefore develop effective dyeing and printing process wastewater processing technology, and industrial production, environmental protection and national life are had to important impact.In recent years, with titanium dioxide TiO
2be that main photocatalysis oxidation technique is achieving noticeable achievement aspect degrading high concentration organic pollution.TiO
2application aspect water treatment is based on TiO
2after optical excitation, produce the redox ability in electronics and hole, thereby utilize cheap oxidant as airborne O
2organic and inorganic pollution in photochemical catalytic oxidation decomposition water, comprises hydrocarbon and derivative, itrogenous organic substance, surfactant, carboxylic acid, dyestuff and medical waste water etc.
But due to nano-TiO
2the shortcomings such as powder is easily assembled, recycling difficult, active ingredient loss is large, are seriously restricting nano-TiO
2the industrialization of photochemical catalyst, therefore stable, the efficient supported titanium of preparation
2photochemical catalyst has become one of key technology of photochemical catalytic oxidation.
Summary of the invention
The object of this invention is to provide load TiO on the cotton matrix of a kind of basalt fibre
2the preparation method of nanofiber photochemical catalyst.
Load TiO on the cotton matrix of a kind of basalt fibre
2the preparation method of nanofiber photochemical catalyst, is characterized in that, the method step is as follows,
(4) get appropriate butyl titanate, with the speed of 1～2 per minute, drip nitric acid, at 50～70 ℃, constant temperature stirs 30～60min, obtains transparent red solution, then add polyvinylpyrrolidone to stir 3～5h it is sufficiently uniformly dissolved, more static 1～2h obtains precursor solution;
(5) in environment temperature, be 18～22 ℃, ambient humidity is 35～55%, and curing distance is 15～20cm, and polytetrafluoroethylene (PTFE) needle tubing and stainless steel syringe needle horizontal cross angle of inclination are under the condition of 14～16 °, to carry out electrostatic spinning to prepare PVP/TiO
2composite fibre, the contact rod with stainless steel electrode as spinning solution, negative pole receiving system is that pretreated basalt fibre is cotton;
(6) by the PVP/TiO of load on the cotton matrix of basalt fibre
2composite fibre in high temperature furnace under air atmosphere at 400 ℃～700 ℃ roasting 1.5～2h, heating rate is 3～5 ℃/min, is naturally cooled to room temperature, obtains load TiO on the cotton matrix of basalt fibre
2nanofiber photochemical catalyst.
The cotton pretreatment of described basalt fibre is chemical plating covered with metal layer.The cotton chemical nickel plating covered with metal layer of basalt fibre can be adopted with the following method:
First basalt fibre felt carries out the heat treatment of 350-550 ℃, then carries out chemical nickel plating.
The plating solution of chemical plating consists of main salt nickelous sulfate NiSO
46H
2o (28-36g/L), reducing agent inferior sodium phosphate NaH
2pO
2h
2o (24-32g/L), lactic acid+propionic acid (6-10g/L), buffer anhydrous sodium acetate NaHCO
3(10-20g/L), stabilizing agent thiocarbamide CS (NH
2)
2(1-2mg/L).Sedimentary condition is: pH value is 4.4-5.4, time 30-90min, reaction temperature 80-95 ℃.
Described polyvinylpyrrolidone is PVPk90, before using, grinds 5～15min.Polyvinylpyrrolidone consumption is the 6-10% of solution gross mass.
Described TiO
2nanofiber is anatase and Rutile Type mixed crystal phase.
Described pretreated basalt fibre felt is carrier, load TiO
2nanofiber.
Beneficial effect of the present invention is:
(1) because basalt fibre cotton is porous material, all can load TiO with surface between its layer of gap
2nanofiber, thus its load factor improved.
(2) this preparation method is simple, easy to operate, and cost is low, pollution is few, and photochemical catalyst easily reclaims, and reduces waste.
Accompanying drawing explanation
Fig. 1 is the load TiO of embodiment 1 preparation
2projection electron microscope (TEM) picture of the basalt fibre cotton of nanofiber photochemical catalyst;
Fig. 2 is the collection of illustrative plates of the XRD of pretreated basalt fibre cotton used in embodiment 1;
Fig. 3 is the TiO of preparation in embodiment 1
2the collection of illustrative plates of nanofiber photochemical catalyst XRD;
Fig. 4 be preparation in embodiment 1 photochemical catalyst the degradation rate of differential responses time Methyl Orange with basalt fibre TiO on cotton matrix
2the variation of nano-fibre supported rate.
The specific embodiment
Take that butyl titanate, polyvinylpyrrolidone (PVPK90), absolute ethyl alcohol, nitric acid and basalt fibre are cotton prepares load TiO on a kind of basalt fibre cotton matrix for raw material
2nanofiber photochemical catalyst.Porous basalt cellucotton is as matrix, the TiO that the diameter of the big L/D ratio that electrostatic spinning technique is synthetic is controlled and specific area is large
2nanofiber is photochemical catalyst, and the two cooperative effect improves light-catalyzed reaction efficiency.
Below in conjunction with drawings and Examples, the invention will be further described:
Load TiO on the cotton matrix of a kind of basalt fibre
2the preparation method of nanofiber photochemical catalyst, the method step is as follows,
Take 50ml butyl titanate, at 60 ℃, constant temperature stirs, to the speed with 1 per minute in mixed liquor, drip nitric acid, to pH=4, uniform stirring 30min, obtain transparent red solution, then add polyvinylpyrrolidone PVPk90 (polyvinylpyrrolidone consumption be solution gross mass 9%) to stir 4h it is sufficiently uniformly dissolved, more static 1h obtains transparent precursor solution.In environment temperature, be 20 ℃, humidity is 40%, and solidifying distance is 18cm, and polytetrafluoroethylene (PTFE) needle tubing and stainless steel syringe needle horizontal cross angle of inclination are under 16 ° of conditions, to carry out spinning to prepare PVP/TiO
2composite fibre, the contact rod with stainless steel electrode as spinning solution, negative pole receiving system is cotton through the basalt fibre of chemical nickel plating.By the PVP/TiO of load on the cotton matrix of basalt fibre
2composite fibre in high temperature furnace under air atmosphere at 550 ℃ of roasting 2h, heating rate is 3 ℃/min, is naturally cooled to room temperature, obtains load TiO on the cotton matrix of basalt fibre
2nanofiber photochemical catalyst.
The cotton chemical nickel plating covered with metal layer of basalt fibre can be adopted with the following method:
First basalt fibre felt carries out the heat treatment of 350-550 ℃, then carries out chemical nickel plating.
The plating solution of chemical plating consists of main salt nickelous sulfate NiSO
46H
2o (36g/L), reducing agent inferior sodium phosphate NaH
2pO
2h
2o (30g/L), lactic acid+propionic acid (8g/L), buffer anhydrous sodium acetate NaHCO
3(15g/L), stabilizing agent thiocarbamide CS (NH
2)
2(0.5mg/L).Sedimentary condition is: pH value is 4.8, time 60min, 85 ℃ of reaction temperatures.
In the surface plate of sealing, add the 20mg/L methyl orange solution 20mL of preparation in advance, then put into the TiO of different loads rate
2the basalt fibre of nanofiber photochemical catalyst is cotton, in darkroom, places and reaches after adsorption equilibrium, is placed under the uviol lamp of 300W and carries out light-catalyzed reaction, at regular intervals sample analysis.Methyl orange solution concentration adopts 721 visible spectrophotometers to analyze mensuration.Absorbance under λ=465nm wavelength before and after working sample photocatalytic degradation, and according to the concentration of the methyl orange after concentration-absorbance calibration curve calculating light-catalyzed reaction certain hour.
Fig. 1 is the load TiO of embodiment 1 preparation
2transmission electron microscope (TEM) picture of the basalt fibre cotton of nanofiber photochemical catalyst, the as can be seen from the figure TiO in cellucotton
2nanofiber, diameter is about 10～30nm.Fig. 2 is the collection of illustrative plates of the XRD of basalt fibre cotton used in embodiment 1, can find out that basalt fibre cotton is amorphous glass state in figure.Fig. 3 is the TiO of preparation in embodiment 1
2the collection of illustrative plates of nanofiber photochemical catalyst XRD, as can be seen from the figure TiO
2phase be anatase and Rutile Type mixed crystal phase.Fig. 4 be preparation in embodiment 1 photochemical catalyst the degradation rate of differential responses time Methyl Orange with basalt fibre TiO on cotton matrix
2the variation of nano-fibre supported rate.Therefrom can find out, along with TiO on the cotton matrix of basalt fibre
2the increase of nano-fibre supported rate, photocatalytic activity presents first the trend slowly reducing after sharply increase, when load factor is 4.2%, the degradation rate after methyl orange degradation 8h is risen to 95.3% from 55.1% of 1h.Along with TiO
2the load capacity of nanofiber continues to increase, and the cotton surface of basalt fibre will be tending towards smooth gradually, and photocatalytic activity therefore can slow decreasing.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. load TiO on the cotton matrix of a basalt fibre
2the preparation method of nanofiber photochemical catalyst, is characterized in that, the method step is as follows,
(1) get appropriate butyl titanate, with the speed of 1～2 per minute, drip nitric acid, at 50～70 ℃, constant temperature stirs 30～60min, obtains transparent red solution, then add polyvinylpyrrolidone to stir 3～5h it is sufficiently uniformly dissolved, more static 1～2h obtains precursor solution;
(2) in environment temperature, be 18～22 ℃, ambient humidity is 35～55%, and curing distance is 15～20cm, and polytetrafluoroethylene (PTFE) needle tubing and stainless steel syringe needle horizontal cross angle of inclination are under the condition of 14～16 °, to carry out electrostatic spinning to prepare PVP/TiO
2composite fibre, the contact rod with stainless steel electrode as spinning solution, negative pole receiving system is that pretreated basalt fibre is cotton;
(3) by the PVP/TiO of load on the cotton matrix of basalt fibre
2composite fibre in high temperature furnace under air atmosphere at 400 ℃～700 ℃ roasting 1.5～2h, heating rate is 3～5 ℃/min, is naturally cooled to room temperature, obtains load TiO on the cotton matrix of basalt fibre
2nanofiber photochemical catalyst.
2. load TiO on the cotton matrix of a kind of basalt fibre according to claim 1
2the preparation method of nanofiber photochemical catalyst, is characterized in that, the cotton pretreatment of described basalt fibre is chemical plating covered with metal layer.
3. load TiO on the cotton matrix of a kind of basalt fibre according to claim 1
2the preparation method of nanofiber photochemical catalyst, is characterized in that, described polyvinylpyrrolidone is PVPk90, before using, grinds 5～15min.
4. load TiO on the cotton matrix of a kind of basalt fibre according to claim 1
2the preparation method of nanofiber photochemical catalyst, is characterized in that, polyvinylpyrrolidone consumption is the 6-10% of solution gross mass.
5. load TiO on the cotton matrix of a kind of basalt fibre according to claim 1
2the preparation method of nanofiber photochemical catalyst, is characterized in that, the pretreated basalt fibre felt of take is carrier, load TiO
2nanofiber.
6. load TiO on the cotton matrix of a kind of basalt fibre according to claim 1
2the preparation method of nanofiber photochemical catalyst, is characterized in that, the cotton chemical nickel plating covered with metal layer of basalt fibre is adopted with the following method:
First basalt fibre felt carries out the heat treatment of 350-550 ℃, then carries out chemical nickel plating;
The plating solution of chemical plating consists of main salt nickelous sulfate NiSO
46H
2o (28-36g/L), reducing agent inferior sodium phosphate NaH
2pO
2h
2o (24-32g/L), lactic acid+propionic acid (6-10g/L), buffer anhydrous sodium acetate NaHCO
3(10-20g/L), stabilizing agent thiocarbamide CS (NH
2)
2(1-2mg/L), sedimentary condition is: pH value is 4.4-5.4, time 30-90min, reaction temperature 80-95 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556821.9A CN103551203B (en) | 2013-11-08 | 2013-11-08 | TiO is loaded in a kind of basalt fibre cotton matrix2The preparation method of nanofiber photocatalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556821.9A CN103551203B (en) | 2013-11-08 | 2013-11-08 | TiO is loaded in a kind of basalt fibre cotton matrix2The preparation method of nanofiber photocatalyst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103551203A true CN103551203A (en) | 2014-02-05 |
| CN103551203B CN103551203B (en) | 2017-12-26 |
Family
ID=50005658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310556821.9A Expired - Fee Related CN103551203B (en) | 2013-11-08 | 2013-11-08 | TiO is loaded in a kind of basalt fibre cotton matrix2The preparation method of nanofiber photocatalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103551203B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104549355A (en) * | 2015-01-13 | 2015-04-29 | 山东默锐环保科技有限公司 | Application of volcanic used as titanium dioxide loaded photocatalyst |
| CN105664938A (en) * | 2015-12-29 | 2016-06-15 | 四川力久知识产权服务有限公司 | Basalt fiber automotive exhaust purifying material and preparation method thereof |
| TWI566830B (en) * | 2015-10-28 | 2017-01-21 | Yu-Xun Nian | Preparation of Photocatalyst Composite Nanofibers |
| CN108906129A (en) * | 2018-06-22 | 2018-11-30 | 东华大学 | It is a kind of based on composite electroless-plating fiber base nickel-loaded/optically catalytic TiO 2 degradable material preparation method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4363878A (en) * | 1980-03-17 | 1982-12-14 | Nitto Boseki Co., Ltd. | Alkali- and heat-resistant inorganic fiber |
| CN102019176A (en) * | 2010-12-16 | 2011-04-20 | 海宁安捷复合材料有限责任公司 | Method for preparing basalt fiber-based TiO2 photocatalytic film |
-
2013
- 2013-11-08 CN CN201310556821.9A patent/CN103551203B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4363878A (en) * | 1980-03-17 | 1982-12-14 | Nitto Boseki Co., Ltd. | Alkali- and heat-resistant inorganic fiber |
| CN102019176A (en) * | 2010-12-16 | 2011-04-20 | 海宁安捷复合材料有限责任公司 | Method for preparing basalt fiber-based TiO2 photocatalytic film |
Non-Patent Citations (1)
| Title |
|---|
| 滕乐天等: "静电纺丝制备TiO2纳米纤维的光催化性能", 《硅酸盐学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104549355A (en) * | 2015-01-13 | 2015-04-29 | 山东默锐环保科技有限公司 | Application of volcanic used as titanium dioxide loaded photocatalyst |
| TWI566830B (en) * | 2015-10-28 | 2017-01-21 | Yu-Xun Nian | Preparation of Photocatalyst Composite Nanofibers |
| CN105664938A (en) * | 2015-12-29 | 2016-06-15 | 四川力久知识产权服务有限公司 | Basalt fiber automotive exhaust purifying material and preparation method thereof |
| CN105664938B (en) * | 2015-12-29 | 2018-09-18 | 四川力久知识产权服务有限公司 | A kind of basalt fibre purifying vehicle exhaust material and preparation method thereof |
| CN108906129A (en) * | 2018-06-22 | 2018-11-30 | 东华大学 | It is a kind of based on composite electroless-plating fiber base nickel-loaded/optically catalytic TiO 2 degradable material preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103551203B (en) | 2017-12-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Yao et al. | Electrospun Bi-decorated BixTiyOz/TiO2 flexible carbon nanofibers and their applications on degradating of organic pollutants under solar radiation | |
| CN101428209B (en) | Nano-fibre supported titanium dioxide photocatalyst and preparation method thereof | |
| CN104084186B (en) | A kind of Graphene/optically catalytic TiO 2 matrix material and its preparation method | |
| Liu et al. | Effects of alkali metal and ammonium cation templates on nanofibrous cryptomelane-type manganese oxide octahedral molecular sieves (OMS-2) | |
| CN103451773B (en) | Bismuth ferrite nano fiber material and preparation method thereof | |
| CN103551203A (en) | Preparation method for loading titanium dioxide (TiO2) nano fiber photocatalyst on basalt cellucotton substrate | |
| CN102580708B (en) | Method for preparing nitrogen modified titanium dioxide sol with visible-light catalytic activity | |
| CN104645965A (en) | Bismuth-titanium oxide nanowire material for photocatalysis, and preparation method | |
| CN103433060A (en) | Core-shell TiO2/ZnIn2S4 composite photocatalyst and preparation method and application thereof | |
| CN104258885B (en) | A kind of preparation method of sheet hydroxyl cupric phosphate nano material | |
| CN102151561A (en) | Photocatalyst consisting of carbon nanotubes loaded with titanium dioxide and preparation method thereof | |
| CN102718263B (en) | Method for preparing fluorine-mixed bismuth tungstate powder through microwave hydrothermal method | |
| CN104826622A (en) | Nano titanium dioxide material supported by porous carbon nano fiber and doped with samarium, preparation method and application thereof | |
| CN106853375B (en) | The preparation method of the compound Electrocatalytic Activity for Hydrogen Evolution Reaction agent of the carbon-coated tungsten oxide/carbon of nitrogen phosphorus doping | |
| CN103831107B (en) | A kind of preparation method of di-iron trioxide nanometer sheet parcel carbon nano-fiber catalyst | |
| CN104001537A (en) | Method for improving visible-light catalytic activity and antibacterial performance of TiO2/diatomite composite material | |
| CN103586041B (en) | A kind of photochemical catalyst of vanadic anhydride composite titanium dioxide of degradation of formaldehyde | |
| CN103372424A (en) | Synthetic method for high-activity N-F co-doped bismuth vanadate visible light photocatalytic material | |
| CN103736480A (en) | Quadrangle starlike pucherite for optical catalytic materials as well as preparation method thereof | |
| CN105214738B (en) | A kind of nanofiber-based catalyst of efficient carbon and its wet dip preparation method | |
| CN107460562B (en) | One-step method prepares Copper-cladding Aluminum Bar tungstic acid composite nano-fiber material | |
| Xu et al. | Carbon quantum dots-decorated ZnO heterostructure nanoflowers grown on nanofiber membranes as high-efficiency photocatalysts | |
| CN108906129A (en) | It is a kind of based on composite electroless-plating fiber base nickel-loaded/optically catalytic TiO 2 degradable material preparation method | |
| Peng et al. | Microstructures and photocatalytic properties of S doped nanocrystalline TiO2 films | |
| CN102527440B (en) | Fiber load nanometer titanium dioxide ultraviolet-visible light catalyst and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 |