CN108479740A - A kind of charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst and preparation method thereof - Google Patents
A kind of charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst and preparation method thereof Download PDFInfo
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- CN108479740A CN108479740A CN201810231686.3A CN201810231686A CN108479740A CN 108479740 A CN108479740 A CN 108479740A CN 201810231686 A CN201810231686 A CN 201810231686A CN 108479740 A CN108479740 A CN 108479740A
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- dictyophora phalloidea
- titanium dioxide
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- 241001313708 Dictyophora phalloidea Species 0.000 title claims abstract description 69
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 239000004408 titanium dioxide Substances 0.000 title claims abstract description 29
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- -1 titanium dioxide compound Chemical class 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000002105 nanoparticle Substances 0.000 claims abstract description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 18
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 12
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 12
- 239000003610 charcoal Substances 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 241001313734 Dictyophora Species 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 3
- 241001313737 Dictyophora echinovolvata Species 0.000 claims description 2
- 238000002791 soaking Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims 1
- 230000001699 photocatalysis Effects 0.000 abstract description 17
- 150000001875 compounds Chemical class 0.000 abstract description 10
- 239000003054 catalyst Substances 0.000 abstract description 9
- 238000007146 photocatalysis Methods 0.000 abstract description 8
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 abstract description 6
- 229960000907 methylthioninium chloride Drugs 0.000 abstract description 6
- 239000002994 raw material Substances 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000013033 photocatalytic degradation reaction Methods 0.000 abstract description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 23
- 239000000523 sample Substances 0.000 description 21
- 239000002131 composite material Substances 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000000975 dye Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000002086 nanomaterial Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- HGWOWDFNMKCVLG-UHFFFAOYSA-N [O--].[O--].[Ti+4].[Ti+4] Chemical compound [O--].[O--].[Ti+4].[Ti+4] HGWOWDFNMKCVLG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- B01J35/39—
-
- 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
- B01J21/18—Carbon
-
- 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
- C02F2101/40—Organic compounds containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Abstract
A kind of charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst of present invention offer and preparation method thereof.The catalyst is that charing dictyophora phalloidea supports nanometer titanic oxide material, has three-dimensional netted micro-nano hierarchical structure, to carbonize dictyophora phalloidea as skeleton, carbonizes and is compounded with titania nanoparticles on dictyophora phalloidea.Charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst provided by the invention has three-dimensional netted micro-nano hierarchical structure, with good photocatalytic activity, it is compound relative to equal conditions, the better photocatalysis efficiency of materials show completes photocatalytic degradation of dye methylene blue in 30 minutes under the conditions of UV, visible light；The raw material for preparing of the present invention is easy to get, and preparation method is simple, has potential application value in the energy and environmental area.
Description
Technical field
The present invention relates to environment and energy field, and in particular to a kind of charing dictyophora phalloidea/nanometer titanic oxide composite photochemical catalyst
Agent and preparation method thereof.
Background technology
Nano titanium dioxide photocatalyst has been used as a kind of high efficiency photocatalyst to be presented in face of people, which can be with
Effective degradable organic pollutant, and be expected to utilize visible light.But titanium dioxide optical catalyst is as a kind of wide bandgap semiconductor material
Material, it is low to effective absorption efficiency of light, electron-hole is easily compound, so the photocatalytic activity of titanium dioxide optical catalyst is not high.
Invention content
Present invention aims at a kind of charing dictyophora phalloidea/nano-titanium dioxide complex lights with micro-nano hierarchical structure of offer to urge
Agent preparation method.The present invention, which will carbonize dictyophora phalloidea and the compound photochemical catalyst provided of nano-titanium dioxide, can be obviously improved compound obtain
The photocatalysis performance of the charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst arrived.
A kind of charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst supports nanometer titanium dioxide titanium for charing dictyophora phalloidea
Material has three-dimensional netted micro-nano hierarchical structure, to carbonize dictyophora phalloidea as skeleton, carbonizes and is compounded with nano titania on dictyophora phalloidea
Grain.
The preparation method of above-mentioned charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst, it includes the following steps：
1) natural dictyophora phalloidea is tentatively carbonized with sulfuric acid；
2) sample of step 1) is added in cetyl trimethylammonium bromide (CTAB) and the solution of titanium dioxide and is mixed
After uniformly, then filtration washing is dried；
3) sample middle heat treatment under indifferent gas argon after drying step 2) is obtained with charing dictyophora phalloidea skeleton structure
Carbonize dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst material.
By said program, the dictyophora phalloidea in step 1) is the dictyophora phalloidea with tridimensional network, such as Cultivation of Dictyophora, skirt bamboo
Sweet-smelling grass, Dictyophora echino-volvata Zane and Dictyophora rubrovalvata.
By said program, the charcoal in step 1), which turns to, is statically placed in the drying of natural dictyophora phalloidea in sulfuric acid, is heated to 100 DEG C -160
DEG C keep a period of time, be then dried for standby.
By said program, 100 DEG C of -160 DEG C of soaking times are 2h in step 1).
By said program, the drying in step 1) is 60 DEG C and dries 2 hours.
By said program, in step 1), sulfuric acid concentration 10wt%-30wt%.
By said program：In step 2), dioxy in cetyl trimethylammonium bromide (CTAB) and the solution of titanium dioxide
Change a concentration of 16.7mg/ml-50mg/ml of titanium；A concentration of 0.025mg/ml- of cetyl trimethylammonium bromide (CTAB)
1.25mg/ml。
By said program：Heat treatment temperature is 500-800 DEG C in step 3)；Heat treatment time is 2h-4h.
Dictyophora phalloidea is a kind of fungi, and dim light growth characteristics cause it with special net filament.The present invention uses bamboo
Sweet-smelling grass is raw material, and dictyophora phalloidea is tentatively carbonized with sulfuric acid, and dictyophora phalloidea has hierarchical structure advantage and larger specific surface area, can be well
Composite nano titanium dioxide is adsorbed, is subsequently added into cetyl trimethylammonium bromide (CTAB) and the solution of titanium dioxide and mixes
To carry out fully carbonizing crystallization, thus obtained charing dictyophora phalloidea/nano-titanium dioxide is compound for filtering drying heat treatment after uniformly
Photochemical catalyst, using titanium dioxide nanoparticle as activated centre, has the charing of micro-nano hierarchical structure to carbonize dictyophora phalloidea as skeleton
Dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst material.Nano-titanium dioxide efficiency of light absorption can be improved in micro-nano structure, while
It can inhibit the growth of nano-titanium dioxide size, increase specific surface area, absorption property and the photocatalytic of compound rear photochemical catalyst
Can, solve the problems such as graininess nano titanium dioxide photocatalyst absorption property is poor, easily reunion and photocatalysis effect are bad.
In addition, charing dictyophora phalloidea ingredient is mainly carbon, electric conductivity is stronger than nano-titanium dioxide, can play electron transmission in the photocatalytic process
The effect of carrier effectively delays the compound of electronics and hole, thus can enhance photo-catalytic activity of nano titanium dioxide.
Beneficial effects of the present invention are：
(1) charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst provided by the invention has micro-nano structure, has fine
Photocatalytic activity, materials show better photocatalysis efficiency, UV, visible light under the conditions of 30 compound relative to equal conditions
Minute completes photocatalytic degradation of dye methylene blue；
(2) raw material for preparing of the invention is easy to get, and preparation method is simple, has in the energy and environmental area and potentially applies valence
Value.
Description of the drawings
Fig. 1 a and b are the SEM photograph for carbonizing dictyophora phalloidea；Fig. 1 c~f are H-TiO2The SEM photograph of@C；
Fig. 2 is that the charing dictyophora phalloidea that embodiment 1 and comparative example 1 obtain supports the powder X-ray of nano titanium dioxide photocatalyst and penetrates
Ray diffraction diagram (XRD)；
It is ultraviolet under dark condition that Fig. 3 is that the charing dictyophora phalloidea that embodiment 1 obtains supports nano titanium dioxide photocatalyst
Vis spectroscopy figure (UV-vis)；
Fig. 4 is that the charing dictyophora phalloidea that embodiment 1 obtains supports nano titanium dioxide photocatalyst sample under ultraviolet-visible
To the degradation curve of dyestuff methylene blue；
Fig. 5 is that the charing dictyophora phalloidea that embodiment 1 obtains supports nano titanium dioxide photocatalyst sample under ultraviolet-visible
To the degradation rate curve of dyestuff methylene blue；
Fig. 6 is dictyophora phalloidea photo.
Specific implementation mode
In order to be better understood by the present invention, the content that the present invention is furture elucidated with reference to the accompanying drawings and examples, but this
The content of invention is not solely restricted to the following examples.
Embodiment 1
The present embodiment provides a kind of charing dictyophora phalloidea to support nano titanium dioxide photocatalyst.Preparation method includes following step
Suddenly：
1) drying of natural dictyophora phalloidea is statically placed in 30 milliliter of 10% (mass concentration, the same below) concentrated sulfuric acid 20 minutes, is entered
130 DEG C of baking ovens, take out after 2 hours.Place into 60 DEG C of baking ovens, taken out after two hours, be added to 40mL containing 0.050gCTAB and
It is uniformly mixed in the aqueous solution of 0.5gP25.
2) being slowly stirred makes it be uniformly mixed.Then filter to obtain solid sample, after be put into 60 DEG C of baking ovens, taken out after 2 hours.
3) sample obtained by step 2) is put into the tube furnace of logical argon gas in 800 DEG C and is heat-treated 3 hours.Charcoal is obtained after taking-up
Change dictyophora phalloidea composite nanometer titanium dioxide photocatalysis agent, is named as H-TiO2@C。
Comparative example
1) drying of natural dictyophora phalloidea is statically placed in 30 milliliter of 10% (mass concentration, the same below) concentrated sulfuric acid 20 minutes, is entered
130 DEG C of baking ovens take out washing filtering after 2 hours.Grind into powder after drying is added to 40mL CTAB containing 0.05g and 0.5g
It is uniformly mixed in the aqueous solution of P25.
2) being slowly stirred makes it be uniformly mixed.Then filter to obtain solid sample, after be put into 60 DEG C of baking ovens, taken out after 2 hours.
3) sample obtained by step 2) is put into the tube furnace of logical argon gas in 800 DEG C and is heat-treated 3 hours.Charcoal is obtained after taking-up
Change dictyophora phalloidea composite nanometer titanium dioxide photocatalysis agent, is named as M-TiO2@C。
Dictyophora phalloidea photo is shown in Fig. 6；The SEM photograph of charing dictyophora phalloidea is shown in Fig. 1 a and b, as can be seen that charing dictyophora phalloidea table from photo
Face has micro-nano concaveconvex structure and is in three-dimensional netted, can load simultaneously composite nano titanium dioxide particle, and be conducive to titanium dioxide
The transmission of electronics, increases the disengaging time of electron-hole when titanium is degraded.
Carbonize the acquisition of dictyophora phalloidea：
1) drying of natural dictyophora phalloidea is statically placed in 30 milliliter of 10% (mass concentration, the same below) concentrated sulfuric acid 20 minutes, is entered
130 DEG C of baking ovens, take out after 2 hours.Place into 60 DEG C of baking ovens, taken out after two hours, be added to 40mL containing 0.050gCTAB and
It is uniformly mixed in the aqueous solution of 0.5gP25.
2) sample obtained by step 1) is put into the tube furnace of logical argon gas in 800 DEG C and is heat-treated 3 hours.Charcoal is obtained after taking-up
Change dictyophora phalloidea.
Fig. 1 c~f are H-TiO2The SEM photograph of@C, from figure it will be seen that P25 be combined to charing dictyophora phalloidea on, and
Very more P25 particulate loads are can be found that on the porous pore passage structure of charing dictyophora phalloidea.
Fig. 2 is the sample H-TiO of the embodiment of the present invention2The XRD spectrum of@C, the results showed that, product of the invention is rutile titania
The mixture of mine phase and Rutile Type, the Rutile Type peak main peak enhancing of sample, illustrates that calcining improves TiO2Crystallinity, separately
Outer high-temperature process is conducive to bamboo shoots charing, obtains the charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst haveing excellent performance.
Fig. 3 is that the charing dictyophora phalloidea that embodiment 1 obtains supports nano titanium dioxide photocatalyst sample H-TiO2@C's is ultraviolet
Vis spectroscopy figure (UV-vis)；Fig. 4 is that the charing dictyophora phalloidea that embodiment 1 obtains supports nano titanium dioxide photocatalyst sample and right
In the same old way to the degradation curve of dyestuff methylene blue under ultraviolet-visible；Fig. 5 is that the charing dictyophora phalloidea that embodiment 1 obtains supports nanometer
Titanium dioxide optical catalyst sample and control sample are under ultraviolet-visible to the degradation rate curve of dyestuff methylene blue；From figure
As can be seen that embodiment sample and comparative example are in cloudy, turbid phase, concentration variation is little, but after illumination, concentration has
It is widely varied.Final result displaying has the composite photocatalyst product H-TiO of charing dictyophora phalloidea three-dimensional structure2The photocatalytic of@C
The composite photocatalyst comparative sample without micro-nano structure can be significantly better than.The photocatalysis efficiency of embodiment sample is about to compare
1.6 times of sample are 2 times of P25.Main reason is that three-dimensional netted micro-nano structure can inhibit the increasing of nano-titanium dioxide size
It is long, nano-titanium dioxide efficiency of light absorption can be improved, increase specific surface area, the absorption property of compound rear photochemical catalyst.In addition, charcoal
It is mainly carbon to change dictyophora phalloidea ingredient, and electric conductivity is stronger than nano-titanium dioxide, can play electron transmission carrier in the photocatalytic process
Effect effectively delays the compound of electronics and hole, thus can enhance photo-catalytic activity of nano titanium dioxide.
Embodiment 2
The present embodiment provides a kind of charing dictyophora phalloidea to support nano titanium dioxide photocatalyst.Preparation method includes following step
Suddenly：
1) drying of natural dictyophora phalloidea is statically placed in 30 milliliter of 15% (mass concentration, the same below) concentrated sulfuric acid 15 minutes, is entered
120 DEG C of baking ovens, take out after 2 hours.Place into 60 DEG C of baking ovens, taken out after two hours, be added to 40mL containing 0.030gCTAB and
It is uniformly mixed in the aqueous solution of 0.5gP25.
2) being slowly stirred makes it be uniformly mixed.Then filter to obtain solid sample, after be put into 60 DEG C of baking ovens, taken out after 2 hours.
3) sample obtained by step 2) is put into the tube furnace of logical argon gas in 700 DEG C and is heat-treated 4 hours.Charcoal is obtained after taking-up
Change dictyophora phalloidea composite nanometer titanium dioxide photocatalysis agent.Light degradation experiment shows that sample equally presents excellent degradation property, only
It is slightly weaker than 1 performance of embodiment, it is better than P25.
Claims (9)
1. a kind of charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst, it is characterised in that：It supports nanometer two for charing dictyophora phalloidea
Titania meterial has three-dimensional netted micro-nano hierarchical structure, to carbonize dictyophora phalloidea as skeleton, carbonizes and is compounded with titanium dioxide on dictyophora phalloidea
Nano particle.
2. the preparation method of charing dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst described in claim 1, it is characterised in that：
It includes the following steps：
1) natural dictyophora phalloidea is tentatively carbonized with sulfuric acid；
2) sample of step 1) is added in the solution of cetyl trimethylammonium bromide and titanium dioxide after mixing, filtering
Washing, is then dried；
3) sample middle heat treatment under indifferent gas argon after drying step 2) obtains the charing with charing dictyophora phalloidea skeleton structure
Dictyophora phalloidea/nanometer titanium dioxide compound photocatalyst material.
3. preparation method according to claim 2, it is characterised in that：Dictyophora phalloidea in step 1) is with tridimensional network
Dictyophora phalloidea, including but not limited to Cultivation of Dictyophora, short-skirted veiled lady, Dictyophora echino-volvata Zane and Dictyophora rubrovalvata.
4. preparation method according to claim 2, it is characterised in that：Charcoal in step 1) turns to the drying of natural dictyophora phalloidea is quiet
It is placed in sulfuric acid, is heated to 100 DEG C -160 DEG C and is kept for a period of time, be then dried for standby.
5. preparation method according to claim 2, it is characterised in that：100 DEG C of -160 DEG C of soaking times are 2h in step 1).
6. preparation method according to claim 2, it is characterised in that：Drying in step 1) is 60 DEG C and dries two hours.
7. preparation method according to claim 2, it is characterised in that：In step 1), sulfuric acid concentration 10wt%-
30wt%.
8. preparation method according to claim 2, it is characterised in that：In step 2), cetyl trimethylammonium bromide and
A concentration of 16.7mg/ml-50mg/ml of titanium dioxide in the solution of titanium dioxide；The concentration of cetyl trimethylammonium bromide
For 0.025mg/ml-1.25mg/ml.
9. preparation method according to claim 2, it is characterised in that：Heat treatment temperature is 500-800 DEG C in step 3)；Heat
Processing time is 2h-4h.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103816884A (en) * | 2014-02-24 | 2014-05-28 | 钟春燕 | Preparation method of titanium dioxide-loaded nanometer active carbon fiber |
| CN104707588A (en) * | 2015-03-26 | 2015-06-17 | 东北大学 | Modified titanium dioxide/bamboo charcoal composite environment-friendly aerogel and preparation method thereof |
| CN106622327A (en) * | 2016-12-20 | 2017-05-10 | 中国科学院青岛生物能源与过程研究所 | N-doped porous carbon supported metal catalyst, and preparation method and application thereof |
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2018
- 2018-03-20 CN CN201810231686.3A patent/CN108479740B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103816884A (en) * | 2014-02-24 | 2014-05-28 | 钟春燕 | Preparation method of titanium dioxide-loaded nanometer active carbon fiber |
| CN104707588A (en) * | 2015-03-26 | 2015-06-17 | 东北大学 | Modified titanium dioxide/bamboo charcoal composite environment-friendly aerogel and preparation method thereof |
| CN106622327A (en) * | 2016-12-20 | 2017-05-10 | 中国科学院青岛生物能源与过程研究所 | N-doped porous carbon supported metal catalyst, and preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王坤鹏: ""纤维素多孔三维材料的制备及其应用研究"", 《中国优秀硕士学位论文全文数据库工程科技I辑》 * |
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