CN108940196A - A kind of preparation method of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material - Google Patents
A kind of preparation method of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material Download PDFInfo
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- CN108940196A CN108940196A CN201810687286.3A CN201810687286A CN108940196A CN 108940196 A CN108940196 A CN 108940196A CN 201810687286 A CN201810687286 A CN 201810687286A CN 108940196 A CN108940196 A CN 108940196A
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- activated carbon
- carbon fiber
- preparation
- sodium bismuthate
- loaded
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- PNYYBUOBTVHFDN-UHFFFAOYSA-N sodium bismuthate Chemical compound [Na+].[O-][Bi](=O)=O PNYYBUOBTVHFDN-UHFFFAOYSA-N 0.000 title claims abstract description 97
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000002360 preparation method Methods 0.000 title claims abstract description 55
- 239000000463 material Substances 0.000 title claims abstract description 52
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 49
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 109
- 239000000835 fiber Substances 0.000 claims abstract description 60
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 41
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 13
- 238000011065 in-situ storage Methods 0.000 claims abstract description 13
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 72
- 239000000243 solution Substances 0.000 claims description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 19
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 19
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 18
- 229920000742 Cotton Polymers 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 15
- 230000032683 aging Effects 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 239000012153 distilled water Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 9
- 239000012085 test solution Substances 0.000 claims description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 239000000460 chlorine Substances 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 6
- 239000005457 ice water Substances 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 6
- 238000001556 precipitation Methods 0.000 claims description 6
- 238000010025 steaming Methods 0.000 claims description 6
- 238000013517 stratification Methods 0.000 claims description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 5
- 239000004327 boric acid Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 229910017604 nitric acid Inorganic materials 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 20
- 230000003197 catalytic effect Effects 0.000 abstract description 13
- 239000003054 catalyst Substances 0.000 abstract description 7
- 239000002105 nanoparticle Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 32
- 230000015556 catabolic process Effects 0.000 description 25
- 238000006731 degradation reaction Methods 0.000 description 25
- 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 24
- 229940012189 methyl orange Drugs 0.000 description 24
- 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 description 19
- 229940049676 bismuth hydroxide Drugs 0.000 description 17
- TZSXPYWRDWEXHG-UHFFFAOYSA-K bismuth;trihydroxide Chemical compound [OH-].[OH-].[OH-].[Bi+3] TZSXPYWRDWEXHG-UHFFFAOYSA-K 0.000 description 17
- 229920000049 Carbon (fiber) Polymers 0.000 description 16
- 239000004917 carbon fiber Substances 0.000 description 16
- 238000001179 sorption measurement Methods 0.000 description 13
- 239000000047 product Substances 0.000 description 10
- 238000011160 research Methods 0.000 description 8
- 239000002957 persistent organic pollutant Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000011109 contamination Methods 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 238000004321 preservation Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- PVGBHEUCHKGFQP-UHFFFAOYSA-N sodium;n-[5-amino-2-(4-aminophenyl)sulfonylphenyl]sulfonylacetamide Chemical compound [Na+].CC(=O)NS(=O)(=O)C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 PVGBHEUCHKGFQP-UHFFFAOYSA-N 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- -1 hydroxyl radical free radical Chemical class 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910000416 bismuth oxide Inorganic materials 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010828 elution Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 239000012028 Fenton's reagent Substances 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009303 advanced oxidation process reaction Methods 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 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
- 238000006385 ozonation reaction Methods 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- KIWUVOGUEXMXSV-UHFFFAOYSA-N rhodanine Chemical compound O=C1CSC(=S)N1 KIWUVOGUEXMXSV-UHFFFAOYSA-N 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/18—Arsenic, antimony or bismuth
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/0203—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of metals not provided for in B01J20/04
- B01J20/0259—Compounds of N, P, As, Sb, Bi
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
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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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28033—Membrane, sheet, cloth, pad, lamellar or mat
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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
- 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
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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
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
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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
- C02F2101/308—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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
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Abstract
The present invention provides a kind of preparation methods of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material.The preparation method carries out as follows: 1, the preparation of activated carbon fibre；2, the preparation of activated carbon fiber-loaded sodium bismuthate.Ultrasonic power is carried out using ultrasound-in situ synthesis in the method, and activated carbon fiber-loaded sodium bismuthate uses bismuth source and activated carbon fibre for raw material.This method selects the photochemical catalyst sodium bismuthate with visible light catalytic performance for basic catalyst, and be supported in activated carbon fibre, it is good catalyst carrier that activated carbon fibre, which is used extensively, it can avoid the reunion of sodium bismuthate nano particle, to guarantee absorption and catalytic activity.
Description
Technical field
The present invention relates to the technical fields of sewage treatment, are related specifically to a kind of activated carbon fiber-loaded sodium bismuthate absorption
The preparation method of catalysis material.
Background technique
China be water resource possess big country be also water resource lack big country.Resources water shortage, economy water shortage, water quality lack
Water is that China's water resource utilizes faced serious problems.The pollution of water resource has seriously affected being pacified with water health for people
Entirely, the highest attention of state and society is caused.It offers convenience with the development of economy to people's lives, the dirt of industrial wastewater
It is also increasingly severeer to contaminate situation, brings significant threat to China's water environment.Industrial wastewater is due to many kinds of, pollutant component
And property is different with production process, variation is complicated, and main polluter is organic pollutant, and the influence to water body environment is non-
Chang great.Water process new technology is explored, realizes the processing qualified discharge even Sewage treatment benefit of Industry Waste organic pollutants
With being our present urgent problems.
High-level oxidation technology usually has Ozonation, Fenton reagent oxidizing process, photochemical oxidation method, photochemical catalytic oxidation
Method, Ultrasonic Radiation oxidizing process etc..As people increasingly pay close attention to environment water problems, there is an urgent need for a kind of economy to have by people
Effect and the few processing method of by-product.In water treatment technology, it is seen that photocatalytic method is as a kind of advanced oxidation processes due to can
It generates non-selective oxidation agent (hydroxyl radical free radical) and is concerned.Since the fibre diameter of activated carbon fiber is thin, specific surface area
Greatly, microcellular structure is flourishing, aperture is small and narrowly distributing, adsorption capacity are big, inhaling de- speed, fast, regeneration is easy.It is to ppb grades of trace
Substance absorption is especially effective, and adsorption efficiency is high at low concentrations.Sodium bismuthate activated carbon fibre compound is used for in waste water
Organic pollution materials, which carry out advanced treating, has preferable application value.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material.This
Invention utilizes the strong absorption of activated carbon fibre using sodium bismuthate and the compound of activated carbon fibre as absorption and catalytic degradation material
Performance and the visible light catalytic performance of sodium bismuthate achieve the purpose that absorption and degradation organic pollutants.
Design philosophy of the invention is to prepare activated carbon fibre first, then prepare work by ultrasound-in situ synthesis
Property Carbon fibe load sodium bismuthate adsoption catalysis paper material.It is under strong stirring that its is few using bismuth nitrate or bismuth hydroxide as bismuth source
Amount is repeatedly added in the sodium hypochlorite mixing test solution that activated carbon fibre tentatively loads, and 20-30 DEG C of temperature control, ultrasonic reaction 60-80
Min is impregnated with ammonium phosphate the purpose is to make sodium bismuthate growth in situ in activated carbon fibre and increases its durability.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of preparation method of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material, it is characterised in that: the preparation method
It carries out as follows:
1, the preparation of activated carbon fibre
The cotton fabric for weighing solid 300-400 g is placed in the acid solution that mass percent concentration is 60-80%, is made solid in mixture
Quality-concentration expressed in percentage by volume of body is 5-25%(w/v), is stirred, 4-7 minute, after aging 1-2 hours, is drawn off and with steaming
Distilled water is washed for several times to remove residual solution, by by pretreated cotton fabric, dry 20-26 is small in 70 DEG C -90 DEG C of baking oven
When, it then releases and cools down 11-15 hours at ambient temperature, it is dense that cooling cotton fabric is immersed into mass percent at room temperature
(the NH that degree is 7.5%4)2HPO42-4 hours in solution, then extracts and dry 20-26 hours at 70 DEG C -90 DEG C, be cooled to
After environment temperature, it is transferred into aluminium oxide boat and is put into Muffle furnace, use N2As protective gas, flow velocity 600
ML/min is heated up with the speed of 5 DEG C/min, and temperature rises to 500 800 DEG C from 25 DEG C, keeps the temperature 30 60 minutes progress carbon
Change, then 700-800 DEG C is heated to the rate of 10 DEG C/min, in CO2It keeps being activated for 30-60 minutes under atmosphere, flow velocity
For 0.5L/min, in N2It flows down after being naturally cooling to 300 DEG C, product is taken out to from furnace and is cooled to environment temperature, is then used
Distilling water washing to pH value is 7-7.2, finally 20-26 hours dry at 70 DEG C -90 DEG C, obtains activated carbon fibre (ACF)；
2, the preparation of activated carbon fiber-loaded sodium bismuthate
Sodium hypochlorite is prepared first, and the solid sodium hydroxide for weighing 10-20 g is dissolved in the water, then weighs 2-6g step (1) and obtain
The activated carbon fibre ultrasonic disperse obtained is cooled to 3 DEG C -10 DEG C with ice water, is passed through chlorine under stiring into sodium hydroxide solution
Reach saturation, then add the sodium hydroxide of 10-15 g, controls temperature at 10 DEG C -20 DEG C, by the crystal and activity of precipitation
The mixture of Carbon fibe, which separates, to be filtered, and the sodium hypochlorite that activated carbon fiber tentatively loads is obtained；It is under vigorous stirring that bismuth source is few
Amount is repeatedly added in the sodium hypochlorite mixing test solution that activated carbon fibre tentatively loads, and 20-30 DEG C of temperature control, ultrasonic reaction 60-80
Minute, the sodium bismuthate precipitating of yellow is obtained, its stratification is eluted, mistake with the sodium hydroxide that mass percent concentration is 1%
It is 24-30 hours dry in vacuum oven again after filter, obtain the finished product of activated carbon fiber-loaded sodium bismuthate.
Acid solution in the step (1) be sulfuric acid solution, boric acid solution, acetum, formic solutions, nitric acid solution,
Any one in hydrochloric acid solution.
Ultrasonic power in the step 2 is carried out using ultrasound-in situ synthesis.
Activated carbon fiber-loaded sodium bismuthate in the step 2 uses bismuth source and activated carbon fibre for raw material.
Bismuth source in the step 2 uses Bi (NO3)3, Bi (OH)3For raw material.
Technical solutions according to the invention prepare the detailed process of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material, point
For the preparation of activated carbon fibre and two key steps of preparation of activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material, phosphorus is used
Sour ammonium, which impregnates, increases durability, and is carried out to the absorption of rhodanine B and degradation effect to preparation process according to prepared material
Corresponding adjustment.
Compared with prior art, the positive effect of the present invention are as follows:
1, it selects the photochemical catalyst sodium bismuthate with visible light catalytic performance for basic catalyst, and is supported on active carbon fibre
In dimension, activated carbon fibre is good catalyst carrier, can avoid the reunion of sodium bismuthate nano particle, to protect with extensively
Card absorption and catalytic activity；
2, select activated carbon fibre as catalytic carrier, activated carbon fibre micropore size is small and uniform, and structure is simple, specific surface area
Greatly, for adsorbing small-molecule substance, the rate of adsorption is fast, is easy desorption, helps to generate stronger absorption to organic pollutant,
In addition huge specific surface area itself, necessarily to organic pollutant absorption property with super strength, strong absorption can generate good
Catalytic degradation effect；
3, method and process used in the present invention is simple, easy to operate, can utilize the strong absorption and catalysis of the catalyst well
Performance realizes efficient degradation and mineralising to organic pollutant.
Detailed description of the invention
The synthesis and application of Fig. 1, activated carbon fiber-loaded sodium bismuthate adsoption catalysis material；
Fig. 2, activated carbon fibre SEM figure；
Fig. 3, activated carbon fiber-loaded sodium bismuthate adsoption catalysis material TEM figure；
Activated carbon fiber-loaded sodium bismuthate adsoption catalysis material (the activated carbon fibre preparation of Fig. 4, different activities Carbon fiber dimension hplc
Using nitric acid aging fiber, using bismuth nitrate as bismuth source, ultrasound-in situ synthesis preparation) the adsorbance variation of methyl orange (is inhaled
Sub conditione: pH 5, temperature: 25 DEG C)；
Activated carbon fiber-loaded sodium bismuthate adsoption catalysis material (the activated carbon fibre preparation of Fig. 5, different activities Carbon fiber dimension hplc
Using nitric acid aging fiber, using bismuth nitrate as bismuth source, ultrasound-in situ synthesis preparation) to the degradation kinetics (activity of methyl orange
The mass content of Carbon fibe: (1) 0, (2) 0.2, (3) 0.6, (4) 0.8, (5) 1.0, pH 5, temperature: 25 DEG C)；
Fig. 6, different activities Carbon fiber dimension hplc activated carbon fiber-loaded sodium bismuthate adsoption catalysis material (activated carbon fibre preparation make
With sulfuric acid aging fiber, using bismuth hydroxide as bismuth source, ultrasound-in situ synthesis preparation) the adsorbance variation of methyl orange (is inhaled
Sub conditione: pH 5, temperature: 25 DEG C)；
Fig. 7, different activities Carbon fiber dimension hplc activated carbon fiber-loaded sodium bismuthate adsoption catalysis material (using bismuth hydroxide as bismuth
Source, the preparation of ultrasound-in situ synthesis) to the degradation kinetics of methyl orange, (activated carbon fibre preparation uses sulfuric acid aging fiber, living
The mass content of property Carbon fibe: (1) 0, (2) 0.2, (3) 0.6, (4) 0.8, (5) 1.0, pH 5, temperature: 25 DEG C).
The activated carbon fiber-loaded sodium bismuthate adsoption catalysis material (activated carbon fibre of Fig. 8, different activities Carbon fiber dimension hplc
Preparation uses boric acid aging fiber, using bismuth nitrate as bismuth source, ultrasound-in situ synthesis preparation) and the adsorbance of methyl orange is changed
(adsorption conditions: pH 5, temperature: 25 DEG C)；
Activated carbon fiber-loaded sodium bismuthate adsoption catalysis material (the activated carbon fibre preparation of Fig. 9, different activities Carbon fiber dimension hplc
Using boric acid aging fiber, using bismuth nitrate as bismuth source, ultrasound-in situ synthesis preparation) to the degradation kinetics (activity of methyl orange
The mass content of Carbon fibe: (1) 0, (2) 0.2, (3) 0.6, (4) 0.8, (5) 1.0, pH 5, temperature: 25 DEG C)；
Activated carbon fiber-loaded sodium bismuthate adsoption catalysis material (the activated carbon fibre preparation of Figure 10, different activities Carbon fiber dimension hplc
Using formic acid aging fiber, using bismuth hydroxide as bismuth source, ultrasound-in situ synthesis preparation) adsorbance of methyl orange is changed
(adsorption conditions: pH 5, temperature: 25 DEG C)；
Activated carbon fiber-loaded sodium bismuthate adsoption catalysis material (the activated carbon fibre preparation of Figure 11, different activities Carbon fiber dimension hplc
Using formic acid aging fiber, using bismuth hydroxide as bismuth source, ultrasound-in situ synthesis preparation) it is (living to the degradation kinetics of methyl orange
The mass content of property Carbon fibe: (1) 0, (2) 0.2, (3) 0.6, (4) 0.8, (5) 1.0, pH 5, temperature: 25 DEG C).
Specific embodiment
Clear, complete description further is carried out to technical solution of the present invention with reference to the accompanying drawings and examples.
Embodiment one:
Activated carbon fiber-loaded sodium bismuthate adsoption catalysis material is prepared by bismuth source of bismuth nitrate
1, the preparation of activated carbon fibre
The cotton fabric (CW) for weighing 300-400 g is placed in the nitric acid solution that mass percent concentration is 60%, is made in mixture
Quality-concentration expressed in percentage by volume of solid is 5%(w/v), after stirring 4-7 minute, aging 1-2 hours, is drawn off and with steaming
Distilled water is washed for several times to remove residual solution.It will be dry in 70 DEG C -90 DEG C of baking oven by pretreated cotton fabric (PCW)
It 20-26 hours, then releases and cools down 11-15 hours at ambient temperature, cooling cotton fabric (PCW) is immersed at room temperature
(the NH that mass percent concentration is 7.5%4)2HPO42-4 hours in solution, is then extracted at 70 DEG C -80 DEG C and dry 20-
It 26 hours, after being cooled to environment temperature, is transferred into aluminium oxide boat and is put into Muffle furnace, use N2Make protective gas,
Flow velocity is 600 mL/min, is heated up with the speed of 5 DEG C/min, and temperature rises to 500 800 DEG C from 25 DEG C, heat preservation 30
60min is carbonized；Then it is heated to 700-800 DEG C with the rate of 10 DEG C/min, in CO2Under atmosphere keep 30-60min into
Row activation, flow velocity 0.5L/min.In N2It flows down after being naturally cooling to 300 DEG C, product is taken out from furnace and is cooled to environment
Then temperature is washed with distilled water to pH most 7-7.2, finally 20-26 hours dry at 70 DEG C -90 DEG C, obtains active carbon
Fiber (ACF).
2, the preparation of activated carbon fiber-loaded sodium bismuthate
Sodium hypochlorite is prepared first, and the solid sodium hydroxide for weighing 10-20 g is dissolved in the water, then weighs 2-6g active carbon fibre
Ultrasonic disperse is tieed up into sodium hydroxide solution, 3 DEG C -10 DEG C is cooled to ice water, is passed through chlorine under stiring and reaches saturation, then
The sodium hydroxide of 10-15 g is added, controls temperature at 10 DEG C -20 DEG C, by the mixture of the crystal of precipitation and activated carbon fibre
Separation filters, and obtains the sodium hypochlorite that activated carbon fiber tentatively loads；Using bismuth nitrate as bismuth source, under vigorous stirring by bismuth nitrate
It is repeatedly added in the sodium hypochlorite mixing test solution that activated carbon fibre tentatively loads on a small quantity, 20-30 DEG C of temperature control, ultrasonic reaction 60-
80 minutes, the sodium bismuthate precipitating of yellow is obtained, its stratification is eluted with the sodium hydroxide that mass percent concentration is 1%,
It is 24-30 hours dry in vacuum oven again after filtering, obtain the finished product of activated carbon fiber-loaded sodium bismuthate.
3, sodium bismuthate base (bismuth nitrate is bismuth source) activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material is to organic contamination
The adsorption assessment of object (methyl orange):
It is absorption object with methyl orange referring to attached drawing 4, research sodium bismuthate based active carbon fiber loads sodium bismuthate adsoption catalysis paper wood
Expect the adsorption effect to it, and according to the effect of absorption, phase is carried out to the preparation process of sodium bismuthate base visible light catalytic paper material
The adjustment answered.
4, sodium bismuthate base (bismuth nitrate is bismuth source) activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material is to organic contamination
The degradation of object (methyl orange) is evaluated:
It is degradation object, research sodium bismuthate base (bismuth nitrate is bismuth source) activated carbon fiber-loaded bismuthic acid with methyl orange referring to attached drawing 5
Sodium adsoption catalysis paper material is to its degradation effect, and according to the effect of degradation, to sodium bismuthate base (bismuth nitrate is bismuth source) activity
The preparation process of Carbon fibe load sodium bismuthate adsoption catalysis paper material is adjusted correspondingly.
Embodiment two:
Sodium bismuthate base visible light catalytic paper material is prepared by bismuth source of bismuth hydroxide
1, the preparation of activated carbon fibre
The cotton fabric (CW) for weighing 300-400 g is placed in the sulfuric acid solution that mass percent concentration is 70%, is made in mixture
Quality-concentration expressed in percentage by volume of solid is 10%(w/v), after stirring 4-7 minute, aging 1-2 hours, is drawn off and with steaming
Distilled water is washed for several times to remove residual solution.It will be dry in 70 DEG C -90 DEG C of baking oven by pretreated cotton fabric (PCW)
It 20-26 hours, then releases and cools down 11-15 hours at ambient temperature, cooling cotton fabric (PCW) is immersed at room temperature
(the NH that mass percent concentration is 7.5%4)2HPO42-4 hours in solution (7.5%), then extracted simultaneously at 70 DEG C -90 DEG C
It is 20-26 hours dry, after being cooled to environment temperature, it is transferred into aluminium oxide boat and is put into Muffle furnace.Use N2Go bail for
Gas is protected, flow velocity is 600 mL/min, is heated up with the speed of 5 DEG C/min, and temperature rises to 500 800 DEG C from 25 DEG C, heat preservation
It is carbonized within 30 60 minutes.Then it is heated to 700-800 DEG C with the rate of 10 DEG C/min, in CO230-60 is kept under atmosphere
Minute is activated, and flow velocity is 0.5 L/min.In N2It flows down after being naturally cooling to 300 DEG C, product is taken out and cooled down from furnace
To environment temperature.Then being washed with distilled water to pH value is 7-7.2, finally, it is 20-26 hours dry at 70 DEG C -80 DEG C, it is lived
Property Carbon fibe (ACF).
2, the preparation of activated carbon fiber-loaded sodium bismuthate
Sodium hypochlorite is prepared first, and the solid sodium hydroxide for weighing 10-20 g is dissolved in the water, then weighs 2-6g active carbon fibre
Ultrasonic disperse is tieed up into sodium hydroxide solution, 3 DEG C -10 DEG C is cooled to ice water, is passed through chlorine under stiring and reaches saturation, so
The sodium hydroxide of 10-15 g is added afterwards, controls temperature at 10 DEG C -20 DEG C, by the mixing of the crystal of precipitation and activated carbon fibre
Object separation filters, and obtains the sodium hypochlorite that activated carbon fiber tentatively loads；Using bismuth hydroxide as bismuth source, under vigorous stirring by hydrogen
Bismuth oxide is repeatedly added on a small quantity in the sodium hypochlorite mixing test solution that activated carbon fibre tentatively loads, and 20-30 DEG C of temperature control, ultrasound is anti-
It answers 60-80 minutes, obtains the sodium bismuthate precipitating of yellow, by its stratification, the sodium hydroxide for being 1% with mass percent concentration
Elution, it is 24-30 hours dry in vacuum oven again after filtering, obtain the finished product of activated carbon fiber-loaded sodium bismuthate.
3, sodium bismuthate base (bismuth hydroxide is bismuth source) activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material is to organic dirt
Contaminate the adsorption assessment of object (methyl orange):
It is absorption object with methyl orange referring to attached drawing 6, research sodium bismuthate based active carbon fiber loads sodium bismuthate adsoption catalysis paper wood
Expect the adsorption effect to it, and according to the effect of absorption, sodium bismuthate adsoption catalysis paper wood is loaded to sodium bismuthate based active carbon fiber
The preparation process of material is adjusted correspondingly.
4, sodium bismuthate base (bismuth hydroxide is bismuth source) activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material is to organic dirt
Contaminate the degradation evaluation of object (methyl orange):
It is degradation object, research sodium bismuthate base (bismuth hydroxide is bismuth source) activated carbon fiber-loaded bismuth with methyl orange referring to attached drawing 7
Sour sodium adsoption catalysis paper material is to its degradation effect, and according to the effect of degradation, to sodium bismuthate base (bismuth hydroxide is bismuth source)
The preparation process of activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material is adjusted correspondingly.
Embodiment three
Activated carbon fiber-loaded sodium bismuthate adsoption catalysis material is prepared by bismuth source of bismuth nitrate
1, the preparation of activated carbon fibre
The cotton fabric (CW) for weighing 300-400 g is placed in the boric acid solution that mass percent concentration is 80%, is made in mixture
Quality-concentration expressed in percentage by volume of solid is 15%(w/v), after stirring 4-7 minute, aging 1-2 hours, is drawn off and with steaming
Distilled water is washed for several times to remove residual solution.It will be dry in 70 DEG C -90 DEG C of baking oven by pretreated cotton fabric (PCW)
It 20-26 hours, then releases and cools down 11-15 hours at ambient temperature, cooling cotton fabric (PCW) is immersed at room temperature
(the NH that mass percent concentration is 7.5%4)2HPO42-4 hours in solution, is then extracted at 70 DEG C -80 DEG C and dry 20-
It 26 hours, after being cooled to environment temperature, is transferred into aluminium oxide boat and is put into Muffle furnace, use N2Make protective gas,
Flow velocity is 600 mL/min, is heated up with the speed of 5 DEG C/min, and temperature rises to 500 800 DEG C from 25 DEG C, heat preservation 30
60min is carbonized；Then it is heated to 700-800 DEG C with the rate of 10 DEG C/min, in CO2Under atmosphere keep 30-60min into
Row activation, flow velocity 0.5L/min.In N2It flows down after being naturally cooling to 300 DEG C, product is taken out from furnace and is cooled to environment
Then temperature is washed with distilled water to pH most 7-7.2, finally 20-26 hours dry at 70 DEG C -90 DEG C, obtains active carbon
Fiber (ACF).
2, the preparation of activated carbon fiber-loaded sodium bismuthate
Sodium hypochlorite is prepared first, and the solid sodium hydroxide for weighing 10-20 g is dissolved in the water, then weighs 2-6g active carbon fibre
Ultrasonic disperse is tieed up into sodium hydroxide solution, 3 DEG C -10 DEG C is cooled to ice water, is passed through chlorine under stiring and reaches saturation, then
The sodium hydroxide of 10-15 g is added, controls temperature at 10 DEG C -20 DEG C, by the mixture of the crystal of precipitation and activated carbon fibre
Separation filters, and obtains the sodium hypochlorite that activated carbon fiber tentatively loads；Using bismuth nitrate as bismuth source, under vigorous stirring by bismuth nitrate
It is repeatedly added in the sodium hypochlorite mixing test solution that activated carbon fibre tentatively loads on a small quantity, 20-30 DEG C of temperature control, ultrasonic reaction 60-
80 minutes, the sodium bismuthate precipitating of yellow is obtained, its stratification is eluted with the sodium hydroxide that mass percent concentration is 1%,
It is 24-30 hours dry in vacuum oven again after filtering, obtain the finished product of activated carbon fiber-loaded sodium bismuthate.
3, sodium bismuthate base (bismuth nitrate is bismuth source) activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material is to organic contamination
The adsorption assessment of object (methyl orange):
It is absorption object with methyl orange referring to attached drawing 8, research sodium bismuthate based active carbon fiber loads sodium bismuthate adsoption catalysis paper wood
Expect the adsorption effect to it, and according to the effect of absorption, phase is carried out to the preparation process of sodium bismuthate base visible light catalytic paper material
The adjustment answered.
4, sodium bismuthate base (bismuth nitrate is bismuth source) activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material is to organic contamination
The degradation of object (methyl orange) is evaluated:
It is degradation object, research sodium bismuthate base (bismuth nitrate is bismuth source) activated carbon fiber-loaded bismuthic acid with methyl orange referring to attached drawing 9
Sodium adsoption catalysis paper material is to its degradation effect, and according to the effect of degradation, to sodium bismuthate base (bismuth nitrate is bismuth source) activity
The preparation process of Carbon fibe load sodium bismuthate adsoption catalysis paper material is adjusted correspondingly.
Example IV
Sodium bismuthate base visible light catalytic paper material is prepared by bismuth source of bismuth hydroxide
1, the preparation of activated carbon fibre
The cotton fabric (CW) for weighing 300-400 g is placed in the formic solutions that mass percent concentration is 90%, is made in mixture
Quality-concentration expressed in percentage by volume of solid is 25%(w/v), after stirring 4-7 minute, aging 1-2 hours, is drawn off and with steaming
Distilled water is washed for several times to remove residual solution.It will be dry in 70 DEG C -90 DEG C of baking oven by pretreated cotton fabric (PCW)
It 20-26 hours, then releases and cools down 11-15 hours at ambient temperature, cooling cotton fabric (PCW) is immersed at room temperature
(the NH that mass percent concentration is 7.5%4)2HPO42-4 hours in solution (7.5%), then extracted simultaneously at 70 DEG C -90 DEG C
It is 20-26 hours dry, after being cooled to environment temperature, it is transferred into aluminium oxide boat and is put into Muffle furnace.Use N2Go bail for
Gas is protected, flow velocity is 600 mL/min, is heated up with the speed of 5 DEG C/min, and temperature rises to 500 800 DEG C from 25 DEG C, heat preservation
It is carbonized within 30 60 minutes.Then it is heated to 700-800 DEG C with the rate of 10 DEG C/min, in CO230-60 is kept under atmosphere
Minute is activated, and flow velocity is 0.5 L/min.In N2It flows down after being naturally cooling to 300 DEG C, product is taken out and cooled down from furnace
To environment temperature.Then being washed with distilled water to pH value is 7-7.2, finally, it is 20-26 hours dry at 70 DEG C -80 DEG C, it is lived
Property Carbon fibe (ACF).
2, the preparation of activated carbon fiber-loaded sodium bismuthate
Sodium hypochlorite is prepared first, and the solid sodium hydroxide for weighing 10-20 g is dissolved in the water, then weighs 2-6g active carbon fibre
Ultrasonic disperse is tieed up into sodium hydroxide solution, 3 DEG C -10 DEG C is cooled to ice water, is passed through chlorine under stiring and reaches saturation, so
The sodium hydroxide of 10-15 g is added afterwards, controls temperature at 10 DEG C -20 DEG C, by the mixing of the crystal of precipitation and activated carbon fibre
Object separation filters, and obtains the sodium hypochlorite that activated carbon fiber tentatively loads；Using bismuth hydroxide as bismuth source, under vigorous stirring by hydrogen
Bismuth oxide is repeatedly added on a small quantity in the sodium hypochlorite mixing test solution that activated carbon fibre tentatively loads, and 20-30 DEG C of temperature control, ultrasound is anti-
It answers 60-80 minutes, obtains the sodium bismuthate precipitating of yellow, by its stratification, the sodium hydroxide for being 1% with mass percent concentration
Elution, it is 24-30 hours dry in vacuum oven again after filtering, obtain the finished product of activated carbon fiber-loaded sodium bismuthate.
3, sodium bismuthate base (bismuth hydroxide is bismuth source) activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material is to organic dirt
Contaminate the adsorption assessment of object (methyl orange):
It is absorption object with methyl orange referring to attached drawing 10, research sodium bismuthate based active carbon fiber loads sodium bismuthate adsoption catalysis paper
Material loads sodium bismuthate adsoption catalysis paper to sodium bismuthate based active carbon fiber to its adsorption effect, and according to the effect of absorption
The preparation process of material is adjusted correspondingly.
4, sodium bismuthate base (bismuth hydroxide is bismuth source) activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material is to organic dirt
Contaminate the degradation evaluation of object (methyl orange):
It is degradation object with methyl orange referring to attached drawing 11, research sodium bismuthate base (bismuth hydroxide is bismuth source) is activated carbon fiber-loaded
Sodium bismuthate adsoption catalysis paper material is to its degradation effect, and according to the effect of degradation, and to sodium bismuthate base, (bismuth hydroxide is bismuth
Source) preparation process of activated carbon fiber-loaded sodium bismuthate adsoption catalysis paper material is adjusted correspondingly.
All features disclosed in this specification or disclosed all methods, step and volume, in addition to mutually exclusive spy
Other than sign and/or step, volume, it can combine in any way.Disclosed in this specification (including claim, abstract)
Any feature can be replaced by other alternative features that are equivalent or have similar purpose unless specifically stated.It is i.e. unless special
It does not describe, each feature is an example in a series of equivalent or similar characteristics.
Described above is only the non-limiting embodiment of invention, a large amount of embodiment can also be derived, for this field
Those of ordinary skill for, not departing from the invention design and under the premise of do not make creative work, can also do
The embodiment of several modifications and improvements out, these are all within the scope of protection of the present invention.
Claims (5)
1. a kind of preparation method of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material, it is characterised in that: the preparation side
Method carries out as follows:
(1) preparation of activated carbon fibre
The cotton fabric for weighing solid 300-400 g is placed in the acid solution that mass percent concentration is 60-80%, is made solid in mixture
Quality-concentration expressed in percentage by volume of body is 5-25%(w/v), is stirred, 4-7 minute, after aging 1-2 hours, is drawn off and with steaming
Distilled water is washed for several times to remove residual solution, by by pretreated cotton fabric, dry 20-26 is small in 70 DEG C -90 DEG C of baking oven
When, it then releases and cools down 11-15 hours at ambient temperature, it is dense that cooling cotton fabric is immersed into mass percent at room temperature
(the NH that degree is 7.5%4)2HPO42-4 hours in solution, then extracts and dry 20-26 hours at 70 DEG C -90 DEG C, be cooled to
After environment temperature, it is transferred into aluminium oxide boat and is put into Muffle furnace, use N2As protective gas, flow velocity 600
ML/min is heated up with the speed of 5 DEG C/min, and temperature rises to 500 800 DEG C from 25 DEG C, keeps the temperature 30 60 minutes progress carbon
Change, then 700-800 DEG C is heated to the rate of 10 DEG C/min, in CO2It keeps being activated for 30-60 minutes under atmosphere, flow velocity
For 0.5L/min, in N2It flows down after being naturally cooling to 300 DEG C, product is taken out to from furnace and is cooled to environment temperature, is then used
Distilling water washing to pH value is 7-7.2, finally 20-26 hours dry at 70 DEG C -90 DEG C, obtains activated carbon fibre (ACF)；
(2) preparation of activated carbon fiber-loaded sodium bismuthate
Sodium hypochlorite is prepared first, and the solid sodium hydroxide for weighing 10-20 g is dissolved in the water, then weighs 2-6g step (1) and obtain
The activated carbon fibre ultrasonic disperse obtained is cooled to 3 DEG C -10 DEG C with ice water, is passed through chlorine under stiring into sodium hydroxide solution
Reach saturation, then add the solid sodium hydroxide of 10-15 g, control temperature at 10 DEG C -20 DEG C, by the crystal of precipitation and
The mixture of activated carbon fibre, which separates, to be filtered, and the sodium hypochlorite that activated carbon fiber tentatively loads is obtained；Under vigorous stirring by bismuth
Source is repeatedly added on a small quantity in the sodium hypochlorite mixing test solution that activated carbon fibre tentatively loads, and 20-30 DEG C of temperature control, ultrasonic reaction
60-80 minutes, the sodium bismuthate precipitating of yellow is obtained, its stratification is drenched with the sodium hydroxide that mass percent concentration is 1%
It washes, it is 24-30 hours dry in vacuum oven again after filtering, obtain the finished product of activated carbon fiber-loaded sodium bismuthate.
2. the preparation method of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material according to claim 1, feature exist
It is that sulfuric acid solution, boric acid solution, acetum, formic solutions, nitric acid solution, hydrochloric acid are molten in: acid solution in the step (1)
Any one in liquid.
3. the preparation method of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material according to claim 1, feature exist
In: the ultrasonic power in the step (2) is carried out using ultrasound-in situ synthesis.
4. the preparation method of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material according to claim 1, feature exist
In: the activated carbon fiber-loaded sodium bismuthate in the step (2) uses bismuth source and activated carbon fibre for raw material.
5. the preparation method of activated carbon fiber-loaded sodium bismuthate adsoption catalysis material according to claim 1, feature exist
In: the bismuth source in the step (2) uses Bi (NO3)3, Bi (OH)3For raw material.
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Application publication date: 20181207 |