CN110124749A - One kind having photocatalysis performance complex fiber material and preparation method thereof - Google Patents
One kind having photocatalysis performance complex fiber material and preparation method thereof Download PDFInfo
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- CN110124749A CN110124749A CN201910316971.XA CN201910316971A CN110124749A CN 110124749 A CN110124749 A CN 110124749A CN 201910316971 A CN201910316971 A CN 201910316971A CN 110124749 A CN110124749 A CN 110124749A
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- 239000002657 fibrous material Substances 0.000 title claims abstract description 52
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 47
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000004744 fabric Substances 0.000 claims abstract description 36
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 claims abstract description 27
- RXPAJWPEYBDXOG-UHFFFAOYSA-N hydron;methyl 4-methoxypyridine-2-carboxylate;chloride Chemical compound Cl.COC(=O)C1=CC(OC)=CC=N1 RXPAJWPEYBDXOG-UHFFFAOYSA-N 0.000 claims abstract description 24
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000243 solution Substances 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000011259 mixed solution Substances 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 12
- 230000015556 catabolic process Effects 0.000 claims description 5
- 238000006731 degradation reaction Methods 0.000 claims description 5
- 238000011109 contamination Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 abstract description 18
- 229910052797 bismuth Inorganic materials 0.000 abstract description 15
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 abstract description 15
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 abstract description 14
- 239000011159 matrix material Substances 0.000 abstract description 13
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 239000002105 nanoparticle Substances 0.000 abstract description 6
- 239000002957 persistent organic pollutant Substances 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000005286 illumination Methods 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 238000013019 agitation Methods 0.000 description 20
- 238000004042 decolorization Methods 0.000 description 13
- 239000007788 liquid Substances 0.000 description 11
- 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 description 10
- 239000012153 distilled water Substances 0.000 description 10
- 238000004043 dyeing Methods 0.000 description 10
- 229960000907 methylthioninium chloride Drugs 0.000 description 10
- 238000002156 mixing Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 239000011941 photocatalyst Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- DKUYEPUUXLQPPX-UHFFFAOYSA-N dibismuth;molybdenum;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Mo].[Mo].[Bi+3].[Bi+3] DKUYEPUUXLQPPX-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
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- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
-
- 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
- B01J31/34—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of chromium, molybdenum or tungsten
-
- 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
- B01J35/20—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state
- B01J35/23—Catalysts, in general, characterised by their form or physical properties characterised by their non-solid state in a colloidal state
-
- 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
- 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
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
- B01J35/58—Fabrics or filaments
-
- 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
-
- 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
- C02F2101/308—Dyes; Colorants; Fluorescent agents
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- 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
- C02F2101/34—Organic compounds containing oxygen
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- 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
- C02F2101/36—Organic compounds containing halogen
-
- 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
- C02F2101/38—Organic compounds containing nitrogen
-
- 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
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Abstract
The invention discloses one kind to have photocatalysis performance complex fiber material and preparation method thereof.The present invention is using acrylic fabric as matrix, it by reaction synthesis bismuth tungstate nano particle and is attached on acrylic fabric using bismuth nitrate and sodium tungstate, the preparation method simple process is feasible, reaction condition is mild, the complex fiber material being prepared photocatalytic activity with higher, can be in degradable organic pollutant under illumination condition, and can be avoided bismuth tungstate nano particle and be lost in application process, it is easily recycled.
Description
Technical field
The present invention relates to catalysis material technical fields, and in particular to one kind have photocatalysis performance complex fiber material and
Preparation method.
Background technique
In recent years, research of the Photocatalitic Technique of Semiconductor with photocatalytic activity in terms of degradable organic pollutant is more next
It is more.Photocatalysis technology is the further development of oxidation technology, this technology can overcome traditional oxidation technology it is complicated for operation,
Energy consumption is big, and aoxidizes halfway disadvantage, is finally that pollution level is small or even small point free of contamination by organic pollutant degradation
Sub- substance.Numerous studies it turns out that, many organic pollutants difficult to degrade using this method processing after, pollution level substantially drops
It is low and without secondary pollution.As it can be seen that photocatalysis has a good application prospect in terms of pollutant control.
Bismuth tungstate is right due to its unique physicochemical properties as simplest one kind of system in calcium nutrition catalyst
Visible light has response, can effectively utilize sunlight, thus receives the extensive concern of researcher.Chinese patent
CN105727932B discloses a kind of bismuth tungstate nano-photocatalyst and preparation method thereof, and bismuth source, tungsten source and critical are mixed,
It is separated by solid-liquid separation, bismuth tungstate nano-photocatalyst is obtained after solid portion is dry, this method has easy to operate, reproducible, production
The high advantage of rate.Chinese patent CN105597738B discloses a kind of visible-light photocatalyst bismuth tungstate nanometer chip and its preparation
Method prepares bismuth tungstate nanometer chip powder, the system being related to using two-step method using bismuth nitrate, glycerol, sodium tungstate as primary raw material
Standby process equipment is simple, reaction condition is mild, energy consumption is small, and technique is unique novel, and the crystallite dimension of products obtained therefrom bismuth molybdate is 20
~40nm can be directly used as photochemical catalyst, can photocatalysis degradation organic contaminant under visible light.However, above two method
The bismuth tungstate photocatalyst being prepared is powdered photochemical catalyst, but exists and be easy to run off, recycles difficult, reduction degradation effect
The problems such as rate.
Summary of the invention
It is a kind of with the compound fibre of photocatalysis performance it is an object of the invention to be provided in place of overcome the deficiencies in the prior art
Tie up material and preparation method thereof.
To achieve the above object, the technical solution adopted by the present invention is as follows:
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) bismuth nitrate solution is prepared, and acrylic fabric is dipped in bismuth nitrate solution；
(2) sodium tungstate is added in the solution of step (1), stirs to dissolve, obtain mixed solution；
(3) mixed solution that step (2) obtains is transferred in sealing container, is heated to 150~200 DEG C of 2~5h of heat treatment；
(4) acrylic fabric is taken out, the complex fiber material with photocatalysis performance is obtained after drying.
The present invention passes through reaction synthesis bismuth tungstate nano particle using acrylic fabric as matrix, using bismuth nitrate and sodium tungstate
And be attached on acrylic fabric, the preparation method simple process is feasible, and reaction condition is mild, the complex fiber material being prepared
Photocatalytic activity with higher, can be in degradable organic pollutant under illumination condition, and can be avoided bismuth tungstate nano particle and exist
It is lost, is easily recycled in application process.
Preferably, in the step (1), the amount ratio of bismuth nitrate and acrylic fabric is 1mmol:2~4g.
Preferably, the molar ratio of the sodium tungstate and bismuth nitrate is 1:(1.8~2.2).
Preferably, in the step (3), the temperature of heat treatment is 160 DEG C, time 5h.
The variation of bismuth nitrate in the present invention, acrylic fabric, the usage ratio of sodium tungstate and heat treatment process parameter can be led
It causes the partial size of the bismuth tungstate nano particle generated different, also results in its photocatalytic activity and stability changes, because
This, the present invention determines the usage ratio of suitable bismuth nitrate, acrylic fabric, sodium tungstate by test, and determines at suitable heat
Technological parameter is managed, the photocatalytic activity and stability that improve complex fiber material are conducive to.
The present invention also provides the complex fiber materials with photocatalysis performance being prepared according to the above method.
The present invention also provides application of the above-mentioned complex fiber material with photocatalysis performance in degradation organic contamination.
Complex fiber material of the invention has excellent photocatalytic activity and stability, is easily recycled, in organic dirt of degrading
It has a good application prospect in dye.
Compared with prior art, the invention has the benefit that
The present invention passes through reaction synthesis bismuth tungstate nano particle using acrylic fabric as matrix, using bismuth nitrate and sodium tungstate
And be attached on acrylic fabric, the preparation method simple process is feasible, and reaction condition is mild, the complex fiber material being prepared
Photocatalytic activity with higher and stability, can be in degradable organic pollutant under illumination condition, and can be avoided bismuth tungstate and receive
Rice grain is lost in application process, is easily recycled.
Detailed description of the invention
Fig. 1 is the surface topography of complex fiber material prepared by embodiment 1；
Fig. 2 is the surface topography of untreated acrylic fabric.
Specific embodiment
Purposes, technical schemes and advantages in order to better illustrate the present invention, below in conjunction with specific embodiment to the present invention
It further illustrates.It will be appreciated by those skilled in the art that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
In embodiment, used experimental method is conventional method unless otherwise specified, material used, reagent etc.,
It is commercially available unless otherwise specified.
Embodiment 1
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) using 5g acrylic fabric as matrix, distilled water is added with the mass ratio of 1:50, it at room temperature will by magnetic agitation
The bismuth nitrate dispersing and dissolving of 2mmol is in solution；
(2) 1mmol sodium tungstate is added in the solution of step (1), is made it dissolve by magnetic agitation, obtains mixing molten
Liquid；
(3) mixed solution that step (2) obtains is transferred in dyeing cup, is heated to 160 DEG C of heat treatment 5h；
(4) acrylic fabric is taken out, obtains the complex fiber material with photocatalysis performance after 40 DEG C of drying.
It takes in 1g complex fiber material sample investment 100mL methylene blue solution (10mg/L) manufactured in the present embodiment,
D65 lamp lighting process 8h, percent of decolourization 47.5%.After reusing 10 times, percent of decolourization is still up to 46.5%.
It is observed using surface of the 3 D video microscope RH-2000 to the sample of the present embodiment.Untreated nitrile
The fiber surface of synthetic fibre fabric (Fig. 2) is relatively smooth, and the fiber surface of the sample (Fig. 1) of the present embodiment has graininess bismuth tungstate attached
Object.
Embodiment 2
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) using 4g acrylic fabric as matrix, distilled water is added with the mass ratio of 1:50, it at room temperature will by magnetic agitation
The bismuth nitrate dispersing and dissolving of 2mmol is in solution；
(2) 1mmol sodium tungstate is added in the solution of step (1), is made it dissolve by magnetic agitation, obtains mixing molten
Liquid；
(3) mixed solution that step (2) obtains is transferred in dyeing cup, is heated to 160 DEG C of heat treatment 5h；
(4) acrylic fabric is taken out, obtains the complex fiber material with photocatalysis performance after 40 DEG C of drying.
It takes in 1g complex fiber material sample investment 100mL methylene blue solution (10mg/L) manufactured in the present embodiment,
D65 lamp lighting process 8h, percent of decolourization 46.3%.After reusing 10 times, percent of decolourization is still up to 44.6%.
Embodiment 3
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) using 8g acrylic fabric as matrix, distilled water is added with the mass ratio of 1:50, it at room temperature will by magnetic agitation
The bismuth nitrate dispersing and dissolving of 2mmol is in solution；
(2) 1mmol sodium tungstate is added in the solution of step (1), is made it dissolve by magnetic agitation, obtains mixing molten
Liquid；
(3) mixed solution that step (2) obtains is transferred in dyeing cup, is heated to 160 DEG C of heat treatment 5h；
(4) acrylic fabric is taken out, obtains the complex fiber material with photocatalysis performance after 40 DEG C of drying.
It takes in 1g complex fiber material sample investment 100mL methylene blue solution (10mg/L) manufactured in the present embodiment,
D65 lamp lighting process 8h, percent of decolourization 45.7%.After reusing 10 times, percent of decolourization is still up to 43.2%.
Embodiment 4
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) using 5g acrylic fabric as matrix, distilled water is added with the mass ratio of 1:50, it at room temperature will by magnetic agitation
The bismuth nitrate dispersing and dissolving of 1.8mmol is in solution；
(2) 1mmol sodium tungstate is added in the solution of step (1), is made it dissolve by magnetic agitation, obtains mixing molten
Liquid；
(3) mixed solution that step (2) obtains is transferred in dyeing cup, is heated to 160 DEG C of heat treatment 5h；
(4) acrylic fabric is taken out, obtains the complex fiber material with photocatalysis performance after 40 DEG C of drying.
It takes in 1g complex fiber material sample investment 100mL methylene blue solution (10mg/L) manufactured in the present embodiment,
D65 lamp lighting process 8h, decoloration 45.2%.After reusing 10 times, percent of decolourization is still up to 43.6%.
Embodiment 5
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) using 5g acrylic fabric as matrix, distilled water is added with the mass ratio of 1:50, it at room temperature will by magnetic agitation
The bismuth nitrate dispersing and dissolving of 2.2mmol is in solution；
(2) 1mmol sodium tungstate is added in the solution of step (1), is made it dissolve by magnetic agitation, obtains mixing molten
Liquid；
(3) mixed solution that step (2) obtains is transferred in dyeing cup, is heated to 160 DEG C of heat treatment 5h；
(4) acrylic fabric is taken out, obtains the complex fiber material with photocatalysis performance after 40 DEG C of drying.
It takes in 1g complex fiber material sample investment 100mL methylene blue solution (10mg/L) manufactured in the present embodiment,
D65 lamp lighting process 8h, decoloration 56.5%.After reusing 10 times, percent of decolourization is still up to 55.8%.
Embodiment 6
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) using 5g acrylic fabric as matrix, distilled water is added with the mass ratio of 1:50, it at room temperature will by magnetic agitation
The bismuth nitrate dispersing and dissolving of 2.2mmol is in solution；
(2) 1mmol sodium tungstate is added in the solution of step (1), is made it dissolve by magnetic agitation, obtains mixing molten
Liquid；
(3) mixed solution that step (2) obtains is transferred in dyeing cup, is heated to 150 DEG C of heat treatment 2h；
(4) acrylic fabric is taken out, obtains the complex fiber material with photocatalysis performance after 40 DEG C of drying.
It takes in 1g complex fiber material sample investment 100mL methylene blue solution (10mg/L) manufactured in the present embodiment,
D65 lamp lighting process 8h, decoloration 44.5%.After reusing 10 times, percent of decolourization is still up to 41.2%.
Embodiment 7
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) using 5g acrylic fabric as matrix, distilled water is added with the mass ratio of 1:50, it at room temperature will by magnetic agitation
The bismuth nitrate dispersing and dissolving of 2.2mmol is in solution；
(2) 1mmol sodium tungstate is added in the solution of step (1), is made it dissolve by magnetic agitation, obtains mixing molten
Liquid；
(3) mixed solution that step (2) obtains is transferred in dyeing cup, is heated to 200 DEG C of heat treatment 5h；
(4) acrylic fabric is taken out, obtains the complex fiber material with photocatalysis performance after 40 DEG C of drying.
It takes in 1g complex fiber material sample investment 100mL methylene blue solution (10mg/L) manufactured in the present embodiment,
D65 lamp lighting process 8h, decoloration 51.6%.After reusing 10 times, percent of decolourization is still up to 46.5%.
Comparative example 1
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) using 5g acrylic fabric as matrix, distilled water is added with the mass ratio of 1:50, it at room temperature will by magnetic agitation
The bismuth nitrate dispersing and dissolving of 2.4mmol is in solution；
(2) 1mmol sodium tungstate is added in the solution of step (1), is made it dissolve by magnetic agitation, obtains mixing molten
Liquid；
(3) mixed solution that step (2) obtains is transferred in dyeing cup, is heated to 160 DEG C of heat treatment 5h；
(4) acrylic fabric is taken out, obtains the complex fiber material with photocatalysis performance after 40 DEG C of drying.
It takes in 1g complex fiber material sample investment 100mL methylene blue solution (10mg/L) manufactured in the present embodiment,
D65 lamp lighting process 8h, decoloration 42.5%.After reusing 10 times, percent of decolourization is still up to 38.5%.
Comparative example 2
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) using 5g acrylic fabric as matrix, distilled water is added with the mass ratio of 1:50, it at room temperature will by magnetic agitation
The bismuth nitrate dispersing and dissolving of 1.6mmol is in solution；
(2) 1mmol sodium tungstate is added in the solution of step (1), is made it dissolve by magnetic agitation, obtains mixing molten
Liquid；
(3) mixed solution that step (2) obtains is transferred in dyeing cup, is heated to 160 DEG C of heat treatment 5h；
(4) acrylic fabric is taken out, obtains the complex fiber material with photocatalysis performance after 40 DEG C of drying.
It takes in 1g complex fiber material sample investment 100mL methylene blue solution (10mg/L) manufactured in the present embodiment,
D65 lamp lighting process 8h, decoloration 40.8%.After reusing 10 times, percent of decolourization is still up to 36.5%.
Comparative example 3
A kind of preparation method of the complex fiber material with photocatalysis performance, comprising the following steps:
(1) using 5g acrylic fabric as matrix, distilled water is added with the mass ratio of 1:50, it at room temperature will by magnetic agitation
The bismuth nitrate dispersing and dissolving of 2mmol is in solution；
(2) 1mmol sodium tungstate is added in the solution of step (1), is made it dissolve by magnetic agitation, obtains mixing molten
Liquid；
(3) mixed solution that step (2) obtains is transferred in dyeing cup, is heated to 220 DEG C of heat treatment 5h；
(4) acrylic fabric is taken out, obtains the complex fiber material with photocatalysis performance after 40 DEG C of drying.
It takes in 1g complex fiber material sample investment 100mL methylene blue solution (10mg/L) manufactured in the present embodiment,
D65 lamp lighting process 8h, decoloration 37.0%.After reusing 10 times, percent of decolourization is still up to 31.6%.
In conclusion complex fiber material prepared by the present invention photocatalytic activity with higher and stability, and be easy to
Recycling and reusing.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range is protected, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should
Understand, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the essence of technical solution of the present invention
And range.
Claims (6)
1. a kind of preparation method of the complex fiber material with photocatalysis performance, which comprises the following steps:
(1) bismuth nitrate solution is prepared, and acrylic fabric is dipped in bismuth nitrate solution；
(2) sodium tungstate is added in the solution of step (1), stirs to dissolve, obtain mixed solution；
(3) mixed solution that step (2) obtains is transferred in sealing container, is heated to 150~200 DEG C of 2~5h of heat treatment；
(4) acrylic fabric is taken out, the complex fiber material with photocatalysis performance is obtained after drying.
2. the preparation method of the complex fiber material according to claim 1 with photocatalysis performance, which is characterized in that institute
It states in step (1), the amount ratio of bismuth nitrate and acrylic fabric is 1mmol:2~4g.
3. the preparation method of the complex fiber material according to claim 1 or 2 with photocatalysis performance, feature exist
In the molar ratio of the sodium tungstate and bismuth nitrate is 1:(1.8~2.2).
4. the preparation method of the complex fiber material according to claim 1 with photocatalysis performance, which is characterized in that institute
It states in step (3), the temperature of heat treatment is 160 DEG C, time 5h.
5. the complex fiber material with photocatalysis performance that any one the method is prepared according to claim 1~4.
6. application of the complex fiber material with photocatalysis performance in degradation organic contamination as claimed in claim 5.
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| CN110804856A (en) * | 2019-10-21 | 2020-02-18 | 南通大学 | Acrylic fabric for photocatalytic degradation of reactive dye and preparation method thereof |
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Application publication date: 20190816 |